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Visible light communication (VLC) also known as "Li-Fi", uses standard LEDs to transmit data such as information, images, music, and videos. The first LED was developed in 1927 by Oleg Vladimírovich Lósev (1903- 1942), however it was not used in the industry until the 1960s. In this paper, will describe the implementation of Modified Phase Equalization (MPH) on visible white LED lamps signal because it's has slow transition time that severely limits in the communication system data...
Topics: Equalization, Visible light communication, White light emitting diode
Miscellaneous Contributed Journals and Academic Newsletters
by Triando Hamonangan Saragih, Wayan Firdaus Mahmudy, Yusuf Priyo Anggodo
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Jatropha curcas is a plant that can be used as a substitute for diesel fuel. Lack of knowledge of farmers and the limited number of experts and extension agents to deal with the disease of the plant will result lower quality of Jatropha curcas. Dempster-Shafer method can be a solution for decision making based on previous research. The difference in beliefs of every expert in seeing Jatropha diseases may reduce the accuracy of the method. A set of numerical experiment prove that optimization of...
Topics: Dempster-shafer, Disease identification, Genetic algorithm, Jatropha curcas
Miscellaneous Contributed Journals and Academic Newsletters
by Jalil El Hassouni, Abderrahim El Qadi, Mehdi Bazzi, Mohamed El Haziti
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This paper proposes an ontological scorecard model for credit risk management. The purpose of the credit scoring model is to reduce the possibility of potential losses with regard to issued loans. Loans are provided according to strict criteria which contain information about the client, loan structure, the purpose, repayment source and collateral. Several techniques have been used for credit risk assessment before granting a loan. Ontology design patterns are used here to enable the...
Topics: Credit risk, Scorecard, Decision support system, Ontology design patterns
A challenging task for the modern research is to accurately diagnose the diseases prior to their treatment. Particularly in rural areas, the instant diagnosis for a life style disease is rarely available; it becomes necessary to use modern computing techniques to design intelligent prediction systems. A machine learning model is used for solving complex and non-separable prediction problems in different fields like medical diagnosis, decision support systems, biochemical analysis, image...
Topics: Intelligent systems, Machine learning, Multi-layer perceptron, Pattern classifier, Thyroid disease
Miscellaneous Contributed Journals and Academic Newsletters
by T. Arunkumari, I. Jagadeesh, V. Indragandhi
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In this manuscript, a DC-DC converter of modified multilevel sepic model with single switch is proposed here. The designed converter combines the voltage tripler circuit, which improves the voltage gain and reduces the voltage ripple of the system. Another feature of the designed converter is reduces the voltage stress and utilized for PV based applications. The operation of the designed converter in Continuous-Conduction Mode (CCM) is discussed. The converter boosts the PV input voltage of 30...
Topics: High voltage conversion, Irradiation, Multilevel sepic converter, Photo voltaic, Ripple voltage
Miscellaneous Contributed Journals and Academic Newsletters
by Ramya H R, B K Sujatha
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In recent years, many fast-growing technologies coupled with wide volume of medical data for the digitalization of that data. Thus, researchers have shown their immense interest on Multi-sensor image fusion technologies which convey image information based on data from various sensor modalities into a single image. The image fusion technique is a widespread technique for the diagnosis of medical instrumentation and measurement. Therefore, in this paper we have introduced a novel multimodal...
Topics: Decision support systems (DSSs), Gaussian filter, Multi-sensor image fusion, Sugeno model, Type-2...
Miscellaneous Contributed Journals and Academic Newsletters
by Afrianda Cahyapratama, Kelly Rossa Sungkono, Riyanarto Sarno
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Gap analysis process model is a study that can help an institution to determine differences between business process models, such as a model of Standard Operating Procedure and a model of activities in an event log. Gap analysis is used for finding incomplete processes and can be obtained by using structural similarity. Structural similarity measures the similarity of activities and relationships depicting in the models. This research introduces a graph-matching algorithm as the structural...
Topics: Business process, Dice coefficient similarity, Gap analysis, Graph database, Graph-matching...
Miscellaneous Contributed Journals and Academic Newsletters
by Amine Agharghor, Mohammed Essaid Riffi, Fayçal Chebihi
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Nowadays, the metaheuristics are the most studied methods used to solve the hard optimization problems. Hunting Search algorithm is a metaheuristic inspired by the method of group hunting of predatory animals like wolves. Created for solving continuous optimization problems, recently, it is adapted and evaluated to solve hard combinatorial optimization problems. This paper proposes an improved hunting search algorithm to solve the quadratic assignment problem. No local search method is used. To...
Topics: Combinatorial optimization problem, Hunting search algorithm, Metaheuristic, QAPLib, Quadratic...
Miscellaneous Contributed Journals and Academic Newsletters
by Sarah N. Al-Bargothi, Ghazi M. Qaryouti, Qazem M. Jaber
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Proportional Integral Derivative (PID) controllers are extensively used in practical industries to control the speed of DC Motors. The single weakness of PID controllers is their sensitivity to variation in parameters and operating conditions; thus, tuning the controller gains to adapt with these variations presents a practical challenge. In this paper, an adaptive mechanism that utilizes a Recursive Least Square (RLS) algorithm, with rate limiters, is implemented to perform an online...
Topics: Adaptive PID (APID), Controller recursive least square (RLS), DC motor, PID controllers
Miscellaneous Contributed Journals and Academic Newsletters
by Ayman Dawood Salman, Osamah Ibrahim Khalaf, Ghaida Muttasher Abdulsaheb
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Security is one of the imperative issues in an advanced local condition. The current center around formative and research issues of Wireless Sensor Network (WSN) based Smart Home. WSN based shrewd home detection system gives a safe and safe living condition. A Wireless Sensor System (WSN) is a system which is building by utilizing little independent hubs (sensors). Its motivation is to screen certain ecological parameters, for example, temperature, dampness, brilliance, weight, sound, movement,...
Topics: Adaptive systems, Intelligant system, Security alarm, Smart alarm, WSN
Information technology (IT) resource management is considered as one of the main pillars of Information System (IS) governance in the company. In this article, we propose a systemic approach from the structural paradigm based essentially on the formal extension of the ISO 19440 Meta-model. This structure contains specific constructs from the Cobit framework and systemic tools as the Galois lattices, likely to bring a better vision of the use of IT resource in the company. This technique allows...
Topics: Galois lattices, Information system, ISO 19440, IT resource, Systemic approach
Miscellaneous Contributed Journals and Academic Newsletters
by Silvia Bravo, David Mauricio
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Distributed Denial of Service attacks (DDoS) are one of the biggest problems facing the Internet. To eliminate this type of attack, the number of which has increased in the period under study, various methods of defense have been proposed. However a detection mechanism that is able to completely counteract the attacks has not yet been found. Therefore, detection and defense against DDoS attacks is of great importance for specialists engaged in computer security. This paper presents a systematic...
Topics: Attack detection, DDoS, Distributed denial of service
Miscellaneous Contributed Journals and Academic Newsletters
by Hamse Abdillahi Haji Omer, Saidatul Norlyana Azemi, Azremi Abdullah Al-Hadi, Ping Jack Soh, Mohd Faizal Jamlos
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A microstrip patch antenna strain sensor operating at dual frequencies 1.8GHz and 2.4GHz have been designed based on the relation between the resonant frequency and the strain applied to it. Felt substrate with a height of 3mm and dielectric constant of 1.44 and shield conductor are used for the design of this antenna. Testing results show that the resonant frequency of the microstrip patch antenna is 1.78 GHz and 2.4 GHz, which agrees with the simulation. The resonant frequency of the...
Topics: Flexible Antenna, Monintoring, Patch Antenna, SHM, Strain Sensor
Miscellaneous Contributed Journals and Academic Newsletters
by Pankaj Kumar Sinha, Preetha Sharan
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In signal processing, Filter is a device that removes the unwanted signals. In any electronic circuits, Filters are widely used in the fundamental hands on tool. The basic function of the filter is to selectively allow the desired signal to pass through and /or control the undesired signal based on the frequency. A signal processing filter satisfies a set of requirements which are realization and improvement of the filter. A filter system consists of an analog to digital converter is used to...
Topics: Birecoder multiplier, Filters, Image processing, Signal processing
Miscellaneous Contributed Journals and Academic Newsletters
by Tedjini Hamza, Messaoud Fatima Zahra, Kadri Boufeldja
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Reactive power compensation is an essential part of a power system and the static synchronous compensator (STATCOM) plays an important role in controlling the reactive power flow over the transmission line. The basic building block of the STATCOM is a voltage source inverter (VSI) that generates a synchronous sinusoidal voltage and because of the high MVA ratings, it would be expensive to provide independent, equal, regulated dc voltage sources to power the multilevel converters which are...
Topics: Ant colony algorithm (ACA), Lyapunov’s theorem, Multi levels inverter, NPC topology, STATCOM
Miscellaneous Contributed Journals and Academic Newsletters
by Soukaina Cherif Bourki Semlali, Mohammed Essaid Riffi, Fayçal Chebihi
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The quadratic assignment problem (QAP) is a well-known combinatorial optimization problem, which could be applied to different applications. The main objective of this paper is to present the first discretization of the chicken swarm optimization algorithm (CSO) to solve quadratic assignment problem without using a local search, the adaptation of CSO in discrete case is based on redefining operations and operators of the original version. As known, the CSO is a stochastic method inspired from...
Topics: Chicken swarm optimization, Combinatorial optimization problem, QAPLib, Quadratic assignment problem
Miscellaneous Contributed Journals and Academic Newsletters
by Nishanthi Sunthrasakaran, Nor Akmal Mohd Jamail, Rahisham Abd. Rahman, Md Nor Ramdon Bin Baharom, Qamarul Ezani Kamarudin, Mohamad Farid Sies, W. Muhammad W. N. Azrina
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Almost all research on natural fibre reinforced composite has focused on the mechanical properties of the composite. Drawing on the important factors that effect the end product of composite, this paper reviews electrical properties of hybrid biocomposite when fibre content and surface treatment is varied. The compilation of dielectric constant, dissipation factor, loss factor and moisture absorption reported by researchers has been presented in this paper. The intrinsic characteristic of...
Topics: Electrical properties, Fibre content, Hybrid composite, Natural fibre, Surface treatment
Miscellaneous Contributed Journals and Academic Newsletters
by Nursuriati Jamil, Ali Abd Almisreb, Syed Mohd Zahid Syed Zainal Ariffin, N. Md Din, Raseeda Hamzah
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Current deep convolution neural network (CNN) has shown to achieve superior performance on a number of computer vision tasks such as image recognition, classification and object detection. The deep network was also tested for view-invariance, robustness and illumination invariance. However, the CNN architecture has thus far only been tested on non-uniform illumination invariant. Can CNN perform equally well for very underexposed or overexposed images or known as uniform illumination invariant?...
Topics: Convolution Neural Network, Ear Recognition, Uniform Illumination Invariant, Lumens
Miscellaneous Contributed Journals and Academic Newsletters
by Syahrul Ashikin Azmi, Grain Philips Adam, Siti Rafidah Abdul Rahim
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This paper presents the performance of a three-phase current source inverter (CSI) in island mode voltage-controlled operation. Simple converter structure, low switching count and inherent boosting capability among the features offered by CSI. However, less investigation has been done with regards to the performance of CSI especially on its control system for island and grid-connected photovoltaic system. Thus, this study aims to investigate the suitability of proportional-integral (PI) and...
Topics: Current source inverter, Grid connected mode, Island mode, PI control, PR control
Miscellaneous Contributed Journals and Academic Newsletters
by Nassir Jabir Al-khafaji, Riyad Mubarak Abdullah, Mohammed A. Kashmoola
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Locating files in an exact time is considered one of the greatest problems and the tedious process in universities nowadays. This problem becomes greater when the university has a large number of departments and transactions, as well as the documents are moving from one department to another. Especially, developing countries that have many problems and unstable environment and that may lead to lost or damage the important documents that influence on the decision making. Furthermore, the...
Topics: Educational institution, E-file tracking, Employee, SEM-PLS, Technology fit Model
Miscellaneous Contributed Journals and Academic Newsletters
by Mahanijah Md Kamal, Ahmad Nor Ikhwan Masazhar, Farah Abdul Rahman
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Disease in palm oil sector is one of the major concerns because it affects the production and economy losses to Malaysia. Diseases appear as spots on the leaf and if not treated on time, cause the growth of the palm oil tree. This work presents the use of digital image processing technique for classification oil palm leaf disease sympthoms. Chimaera and Anthracnose is the most common symtoms infected the oil palm leaf in nursery stage. Here, support vector machine (SVM) acts as a classifier...
Topics: Leaf Disease, Image Processing, Classification, Support Vector Mahine
Miscellaneous Contributed Journals and Academic Newsletters
by Norsuzila Ya’acob, AzitaLaily Yusoff, Suzi Seroja Sarnin, Darmawaty Mohd Ali, Nani Fadzlina Naim, Murizah Kassim, Nur Amirah Binti Mohd Azni
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Virtual money is an actual money that a person own but in a form of a plastic card, an online account and a token or a ticket. Referring to the cash-base system, it is full of fraud and money scam activity. It even happens in a smaller division of a human population which are among family members. For example, when a child decided to do a money scam towards their parents by asking for extra money for what they actually needed to pay for school internal fee and with today’s technology, they...
Topics: Cashless based system, My SQL, Parent Monitoring, RFID, Web-Based
Miscellaneous Contributed Journals and Academic Newsletters
by Siti Fatimah Abdul Razak, Chin Poo Lee, Kian Ming Lim, Pei Xin Tee
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Halal is the term used for permissible food according to Islamic dietary law. Indicators such as Halal logo have been used to facilitate Muslims in identifying Halal food. In Malaysia, the Department of Islamic Development (JAKIM) has introduced a standard Halal logo for locally manufactured products and currently recognizes 67 Islamic bodies in 41 countries around the world as certification bodies for products imported into Malaysia. Therefore, a more practical way is required to assist...
Topics: Halal, JAKIM, Muslim consumers
Miscellaneous Contributed Journals and Academic Newsletters
by Nurul FatihahSahidan, Ahmad Khairi Juha, Norasiah Mohammad, Zaidah Ibrahim
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This paper presents flower and leaf recognition for plant identification using Convolutional Neural Network (CNN). In this study, the performance of CNN for plant identification using images of the leaves, flowers and a combination of both are investigated. Two publicly available datasets, namely Folio leaf dataset and Flower Recognition dataset, have been used for the training and testing purposes. CNN has been proven to produce excellent results for object recognition but its performance can...
Topics: CNN, Deep learning, Flower recognition, Leaf recognition
Miscellaneous Contributed Journals and Academic Newsletters
by Arthur Mourits Rumagit, Izzat Aulia Akbar, Mitaku Utsunomiya, Takamasa Morie, Tomohiko Igasaki
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Many traffic accidents are due to drowsy driving. However, to date, only a few studies have been conducted on the gazing properties related to drowsiness. This study was conducted with the objective of estimating the relationship between gazing properties and drowsiness in three facial expression evaluation (FEE) categories: alert (FEE = 0), lightly drowsy (FEE = 1−2), heavily drowsy (FEE = 3−4). Drowsiness was investigated based on these eye-gazing properties by analyzing the gazing signal...
Topics: Driving simulator, Drowsiness, Eye gaze tracker, Gazing, Support vector machine
Miscellaneous Contributed Journals and Academic Newsletters
by Azian Azamimi Abdullah, Aafion Fonetta Dickson Giong, Nik Adilah Hanin Zahri
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Cervical cancer is the second most common in Malaysia and the fourth frequent cancer among women in worldwide. Pap smear test is often ignored although it is actually useful, beneficial and essential as screening tool for cervical cancer. However, Pap smear images have low sensitivity as well as specificity. Therefore, it is difficult to determine whether the abnormal cells are cancerous or not. Recently, computer-based algorithms are widely used in cervical cancer screening. In this study, an...
Topics: Cellular neural network, Cervical cancer, Image processing, MATLAB, Pap smear
Miscellaneous Contributed Journals and Academic Newsletters
by M. S. A. Mustaza, M. A. M. Ariff, Sofia Najwa Ramli
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Energy storage system (ESS) plays a prominent role in renewable energy (RE) to overcome the intermittent of RE energy condition and improve energy utilization in the power system. However, ESS for residential applications requires specific and different configuration. Hence, this review paper aims to provide information for system builders to decide the best setup configuration of ESS for residential application. In this paper, the aim is to provide an insight into the critical elements of the...
Topics: Batteries management system, Cyber-physical system, Energy storage system, Lithium-ion, Power...
Miscellaneous Contributed Journals and Academic Newsletters
by Y. Ouadid, B. Elbalaoui, M. Boutaounte, M. Fakir, B. Minaoui
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In this paper, a graph based handwritten Tifinagh character recognition system is presented. In preprocessing Zhang Suen algorithm is enhanced. In features extraction, a novel key point extraction algorithm is presented. Images are then represented by adjacency matrices defining graphs where nodes represent feature points extracted by a novel algorithm. These graphs are classified using a graph matching method. Experimental results are obtained using two databases to test the effectiveness. The...
Topics: Amazigh, Graph matching, OCR, Optical Character Recognition, Tifinagh Characters
Miscellaneous Contributed Journals and Academic Newsletters
by Norsyela Muhammad Noor Mathivanan, Puzziawati Ab Ghani, Nor Azura Md.Ghani
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The size, structure, and composition of a population are affected by the fertility rates at any point of time. Many researchers took the opportunity to exploit the fertility rates in obtaining better fertility patterns for their country. The curve for the age specific fertility rate is consistent, and this feature allows the curve to be matched with a mathematical model. This paper aimed to identify the best mathematical model that fits the recent age specific fertility rate in Peninsular...
Topics: Beta model, Fertility, Gamma model, Gompertz model, Hadwiger model
Miscellaneous Contributed Journals and Academic Newsletters
by Irfan Bahiuddin, Abdul Y Abd Fatah, Saiful A Mazlan, Mohd I Shapiai, Fitrian Imaduddin, Ubaidillah, Dewi Utami, Mohd N Muhtazaruddin
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The extreme learning machine (ELM) plays an important role to predict magnetorheological (MR) fluid behavior and to reduce the computational fluid dynamics (CFD) calculation cost while simulating the MR fluid flow of an MR actuator. This paper presents a logarithm normalized method to enhance the prediction of ELM of the flow curve representing the MR fluid rheological properties. MRC C1L was used to test the performance of the proposed method, and different activation functions of ELMs were...
Topics: Extreme learning machine, Magnetorheological fluid, Neural networks, Normalized method, Shear stress
Miscellaneous Contributed Journals and Academic Newsletters
by B. A. F. Esmail, H. A. Majid, S. H. Dahlan, Z. Z. Abidin, M. K. A. Rahim, R. Dewan
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Two novel millimeter-wave (MMW) metamaterials (MTMs) unit cells operate at 28 GHz for a future fifth generation (5G) mobile network applications had been designed, presented and numerically investigated. Two MTM structures are proposed; namely the double E-shaped resonator (DER) and T-U shaped resonator (TUSR). The DER and TUSR are consists of a double E and combined T-U shaped, each printed on front side of the substrate layer respectively. DER achieves a bandwidth of 0.5 GHz and a return loss...
Topics: 5G, MMW frequency range, MTMs losses, Negative refractive index, SRR
Miscellaneous Contributed Journals and Academic Newsletters
by Mohd Hafizul Afifi Abdullah, Muhaini Othman, Shahreen Kasim, Siti Aisyah Mohamed
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Analysing environmental events such as predicting the risk of flood is considered as a challenging task due to the dynamic behaviour of the data. One way to correctly predict the risk of such events is by gathering as much of related historical data and analyse the correlation between the features which contribute to the event occurrences. Inspired by the brain working mechanism, the spiking neural networks have proven the capability of revealing a significant association between different...
Topics: Classification, Data mining, Pattern recognition, Personalised modelling, Spiking neural networks
Miscellaneous Contributed Journals and Academic Newsletters
by Ahmad Firdaus Khair, Mokhairi Makhtar, Munirah Mazlan, Mohamad Afendee Mohamed, Mohd Nordin Abdul Rahman
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The real-life construction of examination timetabling problem is considered as a common problem that always encountered and experienced in educational institution whether in school, college, and university. This problem is usually experienced by the academic management department where they have trouble to handle complexity for assign examination into a suitable timeslot manually. In this paper, an algorithm approach of ant colony optimisation (ACO) is presented to find an effective solution...
Topics: Ant colony optimisation, Constraints, Examination timetabling, Heuristic, Pheromone
Miscellaneous Contributed Journals and Academic Newsletters
by Musab T. S. Al-Kaltakchi, Haithem Abd Al-Raheem Taha, Mohanad Abd Shehab, Mohammed A. M. Abdullah
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In this paper, different feature extraction and feature normalization methods are investigated for speaker recognition. With a view to give a good representation of acoustic speech signals, Power Normalized Cepstral Coefficients (PNCCs) and Mel Frequency Cepstral Coefficients (MFCCs) are employed for feature extraction. Then, to mitigate the effect of linear channel, Cepstral Mean-Variance Normalization (CMVN) and feature warping are utilized. The current paper investigates Text-independent...
Topics: Cepstral mean variance normalization (CMVN), Coefficients (MFCCS), Gaussian mixture model (GMM),...
Miscellaneous Contributed Journals and Academic Newsletters
by Muhammad Hamdan, Othman Omran Khalifah, Teddy Surya Gunawan
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Traffic congestion plagues all driver around the world. To solve this problem computer vision can be used as a tool to develop alternative routes and eliminate traffic congestions. In the current generation with increasing number of cameras on the streets and lower cost for Internet of Things (IoT) this solution will have a greater impact on current systems. In this paper, the Macroscopic Urban Traffic model is used using computer vision as its source and traffic intensity monitoring system is...
Topics: Neural Network, Object Detection, Traffic Intensity
Miscellaneous Contributed Journals and Academic Newsletters
by Sanjoy Kumar Debnath, Rosli Omar, Nor Badariyah Abdul Latip, Shasha Shelyna, Elia Nadira, Che Ku Nor Che Ku Melor, Tapan Kumar Chakraborty, Elango Natarajan
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Unmanned Air Vehicle (UAV) has attracted attention in recent years in conducting missions for longer time with higher levels of autonomy. For the enhanced autonomous characteristic of UAV, path planning is one of the crucial issues. Current researches on the graph search algorithms under combinatorial method are mainly reviewed in this paper by keeping focus on the comprehensive surveys of its properties for path planning. The outcome is a pen picture of their assumptions and drawbacks.
Topics: Combinatorial method, Graph search algorithm, Optimal energy efficient, Path planning, Unmanned air...
Ultrasound, Doppler signal processing is a necessity in several disciplines of  medicine. The interpretation of these signals allows a good diagnosis of  patients in order to detect certain diseases. In this work, we will use different  non-parametric time-frequency techniques such as the Wigner-Ville  distribution (WVD), the Pseudo-Wigner-Ville distribution (PWVD),  the smoothed pseudo Wigner-Ville distribution (SPWVD), and the S-transform  in order to analyze the Ultrasonic Doppler...
Topics: Pseudo-Wigner-Ville distribution, Smoothed pseudo, Wigner-Ville distribution, S-transform,...
Time synchronization is very important in a wireless sensor and actuator network (WSAN) as it provides a common time notation to the WSAN. To handle the time synchronization issue, this paper presented an enhanced distributed control-theoretic time synchronization protocol for wireless sensor and actuator networks, named Time Synchronization using Distributed Observer algorithm with Sliding mode control element (TSDOS). In this protocol, an augmented sliding mode control element is used for...
Topics: Distributed, Sliding mode control, Time synchronization, Wireless sensor and actuator network
In the direction of capable save the energy of battery life in Smartphone accurate with sensible influence form of Wi-Fi data communication in infrastructure mode. The network environment parameters like still time in a 3G system the network throughput and the convey pattern have been accepted all through measurement study the collective impact of an issue has not been systematical.
Topics: Power Consumption, Minimisation, Power Optimisation, Smartphones
Miscellaneous Contributed Journals and Academic Newsletters
by Soon-Chang Poh, Yi-Fei Tan, Soon-Nyean Cheong, Chee-Pun Ooi, Wooi-Haw Tan
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The world population of the elderly is expected to have a continuous growth and the number of elderly living in solitude is also expected to increase in the coming years. As our health decline with age, early detection of possible deterioration in health becomes important. Behavioral changes in in-home activities can be used as an indicator of health decline. For example, changes in routine of in-home activities. Past research mainly focused on detecting anomalies in routine of each type of...
Topics: Anomaly detection, Behavioral changes, Changes in routine, Elderly care, In-home activities
An electrical vehicle (EV) is advancing as alternative power trains for green transportation. The DC–DC converter for auxiliary power supply of electric loads. In this paper presented a new topologyof high frequency converter for electric vehicle was proposed, This converter has to be capable of handling the energy transfer from the 28V DC bus and the 550 high voltage DC bus (used for the electric traction). The control strategy is phase shift of the full bridge converter. Using this topology...
Topics: DC-DC Converter, Electrical Vehicle Application, High Frequency, MATLAB
Miscellaneous Contributed Journals and Academic Newsletters
by Hasmaini Mohamad, Wan Iqmal Faezy Wan Zalnidzham, Nur Ashida Salim, Shahrani Shahbudin, Zuhaila Mat Yasin
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Events such as natural and manmade interference, line, transformer and feeder outages that occur in electric power distribution system negatively impact the continuity of power supply, thus affecting the power demand supply as well as customer’s satisfaction. In that cases, the restoration of power needs to be carried out immediately in order to guarantee the system’s reliability. The power flow path identification is considered as a difficult task especially in a huge system due to large...
Topics: Graph theory, Kruskal’s algorithm, Minimum spanning tree, Power system restoration
In this research, a mathematical model has been developed for investigating the dynamic behavior of a three-phase induction motor. The steady and transient states of the motor has been analyzed for both balanced and unbalanced voltage supply. The behavior of the Torque-Speed characteristics at various conditions has been studied. Matlab/Simulink models are proposed to investigate the dynamic behavior of the motor using d-q axis theory in the reference frame. These models investigate the...
Topics: Balanced and unbalanced, Induction motor, Mathematical modeling, Simulink, Torque–Speed
In this paper a compact and slotted rectangular microstrip antenna is designed at 3.00GHz frequency and it is loaded by inverted Y slot so that the bandwidth of microstrip antenna is improved upto 36.30%. The area of radiating patch for 3.00GHz frequency is 711.36mm2.The proposed antenna design has frequency band in the frequency range 2.097GHz to 3.030GHz. The proposed antenna is resonating at 2.45GHz and area of radiating patch at this frequency is 1077.97mm2. Hence the size of antenna is...
Topics: Inverted, Bandwidth, Compact, Microstrip, Patch, Microstrip line feed
Miscellaneous Contributed Journals and Academic Newsletters
by Mogaligunta Sankaraiah, S. Suresh Reddy, M. Vijaya Kumar
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Wind is available with free of cost anywhere in the world, this wind can be used for power generation due to many advantages. This attracts the researchers to work on wind power plants. The presence of wind power plants on distribution system causes major influence on voltage controlled devices (VCDs) in terms of life of the devices. Therefore, this paper proposes grey wolf optimization method (GWO) together with forecasted load one day in advance. VCDs are on load tap changer (ULTC) and...
Topics: Doubly Fed Induction Generator (DFIG), Grey Wolf Optimization Algorithm (GWO), On Load Tap Changer...
The use of solar photovoltaic (PV) system has grown significantly in Malaysia after Renewable Energy Act has been gazetted in 2011.The objective of this paper is to highlight the technical and economic analysis of solar PV DC system to generate enough energy for residential customer group that consumed 200 kWh per month so that they are less dependent on energy from the utility grid. The results are then compared to the solar PV AC system with similar load setup. The methodology involves...
Topics: Solar PV, DC Residential House, AC System, HOMER, Economic Analysis
Filter is one of the key components of all signals processing elements. Both the FIR and IIR filter are used to reduce the unwanted signal in the original signal. Here discussing the FIR filter and design the efficient FIR filter using Dual Ripple Carry Adder (RCA) based SQRT-carry select adder (CSLA). Many components present in the FIR filter, one of the main component is Adder. Adder is used to combine the signal for avoid the noise occurring in the output. Proposed a Dual RCA based SQRT-CSLA...
Topics: Dual RCA based SQRT CSLA, FIR Filter, Xilinx
Miscellaneous Contributed Journals and Academic Newsletters
by Norjansalika Janom, Mohd Zairul Izham, Fairuz Suraya Mansor, Syaripah Ruzaini Syed Aris, Nor Shahniza Kamal Bashah, Noor Habibah Arshad
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Waqf is one of the important economic instruments in Islam. Waqf is known as an endowment consist of donating a building, a sum of money or plot of land for charitable purposes. Various relevant aspects with the field of waqf have been studied and debated by scholars in the area of socio-political studies, economic, accounting as well as waqf information management system development. Current research findings have shown few glaring issues in terms of the difficulty to distribute waqf benefits...
Topics: Information system, Islamic management, Success factor, Waqf information management
Miscellaneous Contributed Journals and Academic Newsletters
by Ayad Mohammed Jabbar, Ku Ruhana Ku-Mahamud, Rafid Sagban
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Data clustering is a data mining technique that discovers hidden patterns by creating groups (clusters) of objects. Each object in every cluster exhibits sufficient similarity to its neighbourhood, whereas objects with insufficient similarity are found in other clusters. Data clustering techniques minimise intra-cluster similarity in each cluster and maximise inter-cluster dissimilarity amongst different clusters. Ant colony optimisation for clustering (ACOC) is a swarm algorithm inspired by...
Topics: Ant colony optimisation, Data clustering, Data mining, Optimisation based-clustering, Swarm...
Miscellaneous Contributed Journals and Academic Newsletters
by Lee Yee Ann, P. Ehkan, M. Y. Mashor, S. M. Sharun
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The HMLP is an ANN similar to the MLP, but with extra weighted connections that connect the input nodes directly to the output nodes. The architecture of the HMLP neural network for implementation on FPGA is proposed. The HMLP architecture is designed to be concurrent to demonstrate the parallel nature of the HMLP where each hidden or output node within the same hidden or output layer of the HMLP can calculate its output independently. The HMLP architecture is designed to be modular as well,...
Topics: Artificial Neural Network, FPGA-based architecture, Hybrid Multilayered Perceptron, Neural Network,...
Miscellaneous Contributed Journals and Academic Newsletters
by Shrish Bajpai, Harsh Vikram Singh, Naimur Rahman Kidwai
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A novel wavelet-based efficient hyperspectral image compression scheme for low memory sensors has been proposed. The proposed scheme uses the 3D dyadic wavelet transform to exploit intersubband and intrasubband correlation among the wavelet coefficients. By doing the reconstruction of the transform image cube, taking the difference between the frames, it increases the coding efficiency, reduces the memory requirement and complexity of the hyperspectral compression schemes in comparison with...
Topics: Compression, Hyperspectral image, Set partition compression, Transform coding, Wavelet transform
Miscellaneous Contributed Journals and Academic Newsletters
by P. Amudhavalli, N. Rajalakshmi, K.S. Sindhu
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As Digital Marketing is becoming more popular, the number of customer’s interpretation on brands is increasing promptly which makes it firmer for companies to evaluate their brand image and to digital market their products on the web. The Forensic Analysis is used to determine and analyze patterns of fraudulent activities on images. Pixel Analysis and Least square support vector machine are used to compare and associate the scores acquired from the images into one result per tweet. We...
Topics: De-duplication, Forensic Analysis, Pixel Analysis, Least square support vector machine
Miscellaneous Contributed Journals and Academic Newsletters
by Ibtihal Fawzi Elshami, Jafri Din, Lam Hong Yin, Ali I Elgayar
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Tropospheric scintillation in satellite communication systems operating at frequencies over 10 GHz is a significant impairment, especially in tropical regions, as attenuation affects scintillation dramatically. This work concentrates on tropospheric scintillation in equatorial Johor Bahru, Malaysia, based on a one-year Ku-band propagation measurement study utilising a direct broadcast receiver and an automatic weather station. This study aimed to investigate the relationship between wet...
Topics: Equatorial region, Power spectral analysis, Rain attenuation, Satellite communication, Tropospheric...
Miscellaneous Contributed Journals and Academic Newsletters
by I Gusti Ayu Triwayuni, I Ketut Gede Darma Putra, I Putu Agus Eka Pratama
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The research conducted contributed in the form of CBIR application which was developed using texture and color feature extraction in searching the contents information of an object of skin disease image. The textured feature is extracted using Lacunarity, while for color feature extraction using Color Moments as well as a combination of both methods. The results of color characteristic extraction test using Color Moments Method yielded images corresponding to 100% similarity percentages and...
Topics: Color Moments, Content Based Image Retrieval, Image Retrieva, Lacunarity, Skin disease
Miscellaneous Contributed Journals and Academic Newsletters
by Gebrehiwet Gebrekrstos Lema, Teklehaymanot Baweke Reda, Dawit Hadush Hailu, Tole Sutikno
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The major enemy of wireless communication is multipath fading that highly degrades the received signal. Spatial diversity highly reduces deep fades of the wireless communication. Higher signal to noise ratio (SNR) requirement can be reduced by using space time coding. In this paper, the error performance of un-coded MIMO, different diversity combing methods, space time block codes and space time trellis codes are analyzed using different parameters including number of antennas, M-array...
Topics: Combining techniques, Multipath fading, Space diversity
Miscellaneous Contributed Journals and Academic Newsletters
by Rachid Habachi, Achraf Touil, Abdellah Boulal, Abdelkabir Charkaoui, Abdelwahed Echchatbi
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The economic dispatch problem of power plays a very important role in the exploitation of electro-energy systems to judiciously distribute power generated by all plants. This paper proposes the use of Crow Search Algorithm (CSA) for solving the economic dispatch problem of two electricity networks: a testing system 6 units and the morocco network. The crow search algorithm (CSA) is a recently developed metaheuristic search algorithm inspired by the intelligent behavior of crows. The results...
Topics: Crow search algorithm (CSA), Economic dispatch problem, Smart grid
Miscellaneous Contributed Journals and Academic Newsletters
by Mohammed Amine Meziane, Youssef Mouloudi, Bousmaha Bouchiba, abdellah Laoufi
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Particle Swarm Optimization (PSO) is a population based stochastic optimization technique inspired by the social learning of birds or fish. Some of the appealing facts of PSO are its convenience, simplicity and easiness of implementation requiring but few parameters adjustments. Inertia Weight (ω) is one of the essential parameters in PSO, which often significantly the affects convergence and the balance between the exploration and exploitation characteristics of PSO. Since the adoption of...
Topics: Convergence, Data From SONELGAZ, Economic Dispatch, Inertia Weight, Particle Swarm Optimization
Miscellaneous Contributed Journals and Academic Newsletters
by Mohamad Izzuddin Rahman, Noor Azah Samsudin, Aida Mustapha, Adeleke Abdullahi
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In Islam, Quran is the holy book that was revealed to the Prophet Muhammad. It functions as complete code of life for the Muslims. Remarks from Allah which contains more than 77,000 words that was passed down through Prophet Muhammad to the mankind for 23 years started in 610 ce. The Quran was divided into 114 chapters. Arabic language is the original text. The need for the Muslims across the world to find the meaning to understand the content in the Quran is necessary. Nevertheless,...
Topics: Quran Verse Classification, Text Mining
Miscellaneous Contributed Journals and Academic Newsletters
by M. Bakri, Norhaslinda Kamaruddin, M. Hamiz, P. Marlia, A. H. S. Nurhasmiza, Z. Othman, N. A. S. Nilam
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Dialogical inquiry on astrology offers the participants to gain not only the intellectual and technological knowledge on the subject matter but also the social benefit of the interaction. Different cultures and values may pose as a challenge for adaptation when the participants start to collaborate in order to complete the group work. Hence, multiple sessions of cross-cultural interaction through Astronomy Online Labs had been conducted to give the participants a standardized platform to...
Topics: Data analytics, Cross-cultural interaction, Visualization, Astrology education, Dialogical inquiry
Miscellaneous Contributed Journals and Academic Newsletters
by Norisan Abd Karim, Haryani Haron, Wan Adilah Wan Adnan
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Intrinsic values associated with ICT services activities in productive ageing. Given the advances made in ICT services that have been widely used, elderlies need to be equipped with the knowledge in using the services. The lack of ICT usage among elderlies is because of the low motivation to use the ICT applications. This in turn could be due to the lack of intrinsic values associated with the use of ICT applications among elderlies. This study explores further the features of ICT services...
Topics: ICT services features, Intrinsic value activities, Productive ageing
Miscellaneous Contributed Journals and Academic Newsletters
by Rhowel M. Dellosa, Arnel C. Fajardo, Ruji P. Medina
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This paper introduces an algorithm to solve the closest pair of points problem in a 2D plane based on dynamic warping. The algorithm computes all the distances between the set of points P(x, y) and a reference point R(i, j), records all the result in a grid and finally determines the minimum distance using schematic steps. Results show that the algorithm of finding the closest pair of points has achieved less number of comparisons in determining the closest pair of points compared with the...
Topics: Brute force, Closest pair of points, Divide-and-conquer, Dynamic warping, Position estimation
Miscellaneous Contributed Journals and Academic Newsletters
by Zakaria Benlalia, Karim Abouelmehdi, Abderrahim Beni-hssane, Abdellah Ezzati
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Cloud computing has emerged as a new paradigm for providing on-demand computing resources and outsourcing software and hardware infrastructures. Load balancing is one of the major concerns in cloud computing environment means how to distribute load efficiently among all the nodes. For solving such a problem, we need some load balancing algorithms, so in this paper we will compare the existing algorithms for web application.and based on results obtained we choose the best among them.
Topics: Algorithms, Cloud computing, Cloud analyst, Load balancing, Simulation
Miscellaneous Contributed Journals and Academic Newsletters
by Amir Ashraf Mohamad, Fadhlan Hafizhelmi Kamaru Zaman, Fazlina Ahmat Ruslan
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Steering control is a critical design element in autonomous vehicle development since it will determine whether the vehicle can navigate safely or not. For the prototype of UiTM Autonomous Vehicle 0 (UiTM AV0), Vexta motor is used to control the steering whereas Pulse Width Modulation (PWM) signal is responsible to drive the motor. However, by using PWM signal it is difficult to converge to the desired steering angle and furthermore time taken for steering angle to converge is much longer....
Topics: Arduino mega, PID controller, PWM, Vexta motor
Miscellaneous Contributed Journals and Academic Newsletters
by Jian-Ding Tan, Siaw-Paw Koh, Sieh-Kiong Tiong, Kharudin Ali, Ahmed Abdalla
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Over the past few years, multiple types of modifications have been proposed onto the Direct Torque Control (DTC) scheme. Among others is the implementation of Space Vector Modulation (SVM). In this paper, two new control strategies are proposed onto an SVM-DTC. Instead of using PI torque and flux controllers, a fuzzy logic control method is implemented in the proposed modification to achieve a more constant switching frequency while minimizing the torque error. The fuzzy logic controller...
Topics: Direct torque control, Space vector modulation, Stator flux estimation, Fuzzy logic control,...
Miscellaneous Contributed Journals and Academic Newsletters
by Siti Rokiah Abdul Mutalik, Mohd Hafizuddin Mat, Muzammil Jusoh, A. W. N. Husna
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This paper presents a numerical analysis of the specific absorption rate in SAM phantom exposed to electromagnetic field. A two set dipole antenna operating with 1800MHz and 2600MHz were placed parallel to the z-axis and rotated in clockwise from 0o (vertical) to 180o in steps of 30o to investigate the effect of frequency and polarization. The maximum average of 1gram and 10gram of tissue have been presented to show the effect of SAR in SAM phantom model. A comparison of the mass average SAR in...
Topics: Biolectromagnetic, Electromagnetic field, Electromagnetic fields effects In-body communications,...
Miscellaneous Contributed Journals and Academic Newsletters
by T. A. Izzuddin, M. H. Jali, A. R. Abdullah, R. Sudirman
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Nowadays, the advancement of medical technology has given birth into many innovative machines and devices to improve our health life, especially to those who are disabled or gifted. On some people with severe disabilities such as quadriplegia, the human eye-ball does not only serve as a vision system, but also a means of conveying information and intention to other people. This is because although quadriplegic patients suffer the loss of motor sensory functions from the neck and below, upper...
Topics: Image processing, Gaze detection, Pupil detection
Miscellaneous Contributed Journals and Academic Newsletters
by Taher Khalifa, N. M. Sahar, N. Ramli, M. T. Islam
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The 12 elements antenna array for GPS system having high gain with circular polarization is presented in this paper. The circularly polarized antenna is very suitable for the use of various wireless systems such as Global Positioning System with operating frequency is 1.27 GHz with AR is less than 3 dB between 82˚ and 140˚.The antenna consists of twelve main radiation patches connected in parallel. The antennas array are designed on the Rogers RT5880 substrate with a dielectric constant (εr)...
Topics: Array antenna, Circular polarization, GPS, High gain, Microstrip patch
Miscellaneous Contributed Journals and Academic Newsletters
by Maliki Ibrahim, Rosemizi Abd Rahim, Junita Mohd Nordin, Siti Zulaika Abdul Nyzam, Norzakiah Amira Amatkhri
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This paper presents the dielectric properties characterization of the rice and rice weevil for microwave heating disinfestation treatment application. Infestations of insects in stored grain have become a major threat to food supply globally. It contributes to damage to the stored grain and had caused economic losses. The current method to control the infestation which is by using chemical fumigation could give harm to human health and cause environmental pollution. The ability of microwave...
Topics: Bubuk rice, Dielectric properties, Microwave heating, Rice Weevil
Miscellaneous Contributed Journals and Academic Newsletters
by Mogahed Alzeber, Ali A. Alwan, Azlin Nordin, Abedallah Zaid Abualkishik
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The main issue concern of schema matching is how to support the merging decision by providing matching between attributes of different schemas. There have been many works in the literature toward utilizing database instances to detect the correspondence between attributes. Most of these previous works aim at improving the match accuracy. We observed that no technique managed to provide an accurate matching for different types of data. In other words, some of the techniques treat numeric values...
Topics: Database instances, Data integration, Google similarity, Regular Expression, Schema matching
Miscellaneous Contributed Journals and Academic Newsletters
by Fadilla Atyka Nor Rashid, Nor Surayahani Suriani, Ain Nazari
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Kinect-based physical rehabilitation grows significantly as a mechanism for clinical assessment and rehabilitation due to its flexibility, low-cost and markerless system for human action capture. It is also an approach to provide convenience for for patients’ exercises continuation at home. In this paper, we discuss a review of the present Kinect-based physiotherapy and assessment for rehabilitation patients to provide an outline of the state of art, limitation and issues of concern as well...
Topics: Activity Recognition, Depth Map, Kinect-based, Physiotherapy, Skeleton Joint
Miscellaneous Contributed Journals and Academic Newsletters
by M. K. Dauda, Mustafa Mamat, Mohamad A. Mohamed, Nor Shamsidah Amir Hamzah
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Mathematical models from recent research are mostly nonlinear equations in nature. Numerical solutions to such systems are widely needed and applied in those areas of mathematics. Although, in recent years, this field received serious attentions and new approach were discovered, but yet the efficiency of the previous versions suffers setback. This article gives a new hybrid conjugate gradient parameter, the method is derivative-free and analyzed with an effective inexact line search in a given...
Topics: Conjugate Gradient, Derivative Free, Hybrid, Nonlinear Equations, Symmetric System
Miscellaneous Contributed Journals and Academic Newsletters
by N. Khuan, S. R. A. Rahim, M. H. Hussain, A. Azmi, S. A. Azmi
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This paper presents an integration of distributed generation and capacitor in radial distribution system via Firefly Algorithm (FA). In this study, the FA is developed in order to determine the optimal location and size for compensation schemes namely distributed generation (DG) and compensating capacitor (CC). The FA which is a meta-heuristic algorithm is inspired by the flashing behavior of fireflies. The proposed technique was tested on IEEE Reliability Test systems namely the IEEE 69-bus...
Topics: Compensating capacitor, Distributed generation, Distribution system, Firefly algorithm
Miscellaneous Contributed Journals and Academic Newsletters
by Ibrahim Alhamrouni, N. Zainuddin, Mohamed Salem, Nadia H. A. Rahman, Lili Awalin
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The application of fossil fuels like coal, oil and gas gives enormous environmental impact and hazardous effects to the earth. Hence, renewable energy has become the most tremendously friendly method to generate electricity without pollution and emissions. Inverter is a power electronics device which is used to convert Direct Current (DC) into Alternating Current (AC). The conventional inverter no longer fulfills the requirement of reducing harmonic distortions, plus it causes global warming...
Topics: Bipolar switching scheme, Photovoltaic, Renewable energy, Single phase inverter, Sinusoidal pulse...
As the demand for electricity is shooting exponentially, reliable supply of electrical energy from generation to customer is the challenging task faced by utilities. Though generation and transmission can be maintained at hundred percent reliability, reliability of entire system cannot be assured unless focus is laid on distribution system. Most of the faults are occurring on the distribution system which is directly connected to different customers. Hence, we need to intensify the attention at...
Topics: Communication system, Distribution system, Monte, Carlo simulation, Reliability, Web services
Miscellaneous Contributed Journals and Academic Newsletters
by Darwison, Syukri Arief, Hairul Abral, Ariadi Hazmi, M. H. Ahmad, Eka Putra Waldi, Rudy Fernandez
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Polymer insulators tend to fail because of the climatic and environmental conditions. The failure occurs when the surface of insulator is contaminated by sea salt or cement dust which lead to partial discharge (PD). Leakage currents will increase by PD that causes deterioration of insulation. To predict the insulation failures, an adaptive neurofuzzy inference system (ANFIS) method using initial color detection processes are proposed to estimate the leakage currents based on the polymer...
Topics: Color detection methods, Leakage currents, Pollution, Polymer insulator, Thermal images
Miscellaneous Contributed Journals and Academic Newsletters
by Norainon Mohamed, Dahaman Ishak
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This paper aims to provide an improved load flow formulation for solving load flow problem in radial distribution networks. The improved algorithm is formulated from the basic Kirchoff’s voltage law. The proposed method does not need any matrix multiplication, and the voltage equation is derived to compute the voltage at each node. The proposed method is then tested on 28- bus, IEEE-33 and IEEE-69 systems of radial distribution networks with different resistance to reactance ratio and...
Topics: Load flow, Power loss, Radial distribution network, Real power loss, Voltage profile
Miscellaneous Contributed Journals and Academic Newsletters
by Mohammad Zakaria Mohd Alias, Mariyam Jamilah Homam, Faridah Hanim Mohd Noh
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This work is a review on previous research and studies on the solar disturbance activities and faults that occur on the electric power transmission line. Research has shown that low latitude regions could also be affected by solar disturbance events. The effects of these events on earth are considerable and may cause electric power transmission failure. Geomagnetically induced current is one of the ground impacts to the transmission line, which may cause fault or disturbance and consequently...
Topics: Digital fault recorder (DFR), Geomagnetic induced current (GIC), Equatorial region magnetometer,...
Miscellaneous Contributed Journals and Academic Newsletters
by Normaisharah Mamat, Fitri Yakub*, Sheikh Ahmad Zaki Shaikh Salim, Mohamed Sukri Mat Ali
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This paper presents the modelling and simulation of controllers for controlling the position of two degree of freedom (2 DOF) mass spring damper system. Proportional integral (PI), fuzzy logic controller (FLC) and sliding mode controller (SMC) are design to minimize the vibration of the system that represent as building structure towards earthquake. A structural building is simulate based on real earthquake occur in El Centro on May 1940. The algorithm for building structure, actuator and...
Topics: Earthquake, Fuzzy Logic, Proportional Integral, Sliding Mode Controller, Vibration
Miscellaneous Contributed Journals and Academic Newsletters
by Vandana Hanchate, Kalyani Joshi
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Denoising of image is a very crucial step which should retain fine details but should remove noise. Making the difference between noise and actual edge related data is very difficult. NLM filter helps to make a differentiation between image data and noise data. Its weight function decides the weightage of the neighboring pixel depending upon the similarity with the pixel to process. It helps to retain the edges and avoid it from smoothening. This paper discusses the implementation of NLM filter...
Topics: MSE, NLM, PFOM, PSNR, SSIM
Frequently misunderstood by their teachers as being low performers, children with learning disabilities (LDs) such as dyslexia, ADHD, and Asperger’s Syndrome develop low self-confidence and poor self-esteem that may lead to the risk of developing psychological and emotional problems. On contrary, research has shown that a substantial number of these children are capable of learning, and hence, are high-functioning. Therefore, there is a need to provide for the early detection of LDs and...
Topics: Learning Disabilities, Neuro-Physiological Profiling Preschoolers, Electroencephalogram
Miscellaneous Contributed Journals and Academic Newsletters
by H. Ahmad, N. A. Othman, M. M. Saari, M. S. Ramli, M. M. Mazlan, T. Namerikawa
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This paper analyze the performance of partial observability in simultaneous localization and mapping(SLAM) problem. The study focuses mainly on the effect of having a decorrelation technique known as Covariance Inflation to the estimation. The matrix inversion will be the main element to be investigated through two conditions with respect to some defined environment namely as unstable partially observable SLAM and partially observable SLAM via matrix norm analysis. For assessment purposes, the...
Topics: Extended kalman filter, Matrix norm, Partial observability, SLAM
Miscellaneous Contributed Journals and Academic Newsletters
by Raheema Syed, P. Srinivasa Varma, R. B. R. Prakash, Ch. Rami Reddy
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Unit commitment state’s the strategic choice to be prepared in order to define which of the accessible power plants should be taken into account to supply power. It permits utilities to reduce generation price of power. In this paper, the unit commitment problem is elucidated by taking N-1-1 contingency as a foremost constraint. The standard N-1-1 contingency takes the loss of sequential two components in the network having intervening interval for network modifications in the middle of two...
Topics: Benders decomposition, Branch and cut algorithm, Contingency constraints, Reliability, Unit...
Machine-to-Machine (M2M) communication over the Long Term Evolution Advanced (LTE-A) networks has witness exponential growth and expansion in the last couple of years. This expansion has created an increase in the demand for high speed internet, multimedia messaging services, digital broadcasting etc, thus fuelling higher data traffic. The network operators in trying to meet this increasing demand injected more access points by deploying more Base Stations (BSs) to make the network denser. The...
Topics: Base Station (BS), Exponential growth, LTE-A, M2M Communication, Power consumption
Miscellaneous Contributed Journals and Academic Newsletters
by K. A. Ahmad, A. Abd Manaf, Z. Hussain, Z. Janin
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Piezoelectric Acoustic Transducer (PAT) is a transducers used in many application such as medical diagnostic, medical ultrasonic imaging and underwater acoustic applications. Latest research, PAT were investigated in marine application and underwater acoustic imaging. Conventional PAT is design based on sensing element, Piezoelectric Material, matching layer and backing layer. But the conventional method still has problem with issues of narrow bandwidth, directivity and low sensitivity. This...
Topics: d33 Mode Polarization, Piezoelectric Acoustic, Transducer (PAT) Array, Pulse-Echo Method
This research focuses on the development of the conceptual frameworks of human-human interaction applied for a robotic behaviour-based approach for safe physical human-robot interaction. The control has been constructed based on understanding the dynamic and kinematic behavioural characteristics of how two humans pass an object to each other. This has enabled a KR-16-KUKA robot to naturally interact with a human so as to facilitate the dexterous transfer of an object in an effective manner....
Topics: Fuzzy logic control, Human-robot interaction, Implicit force control, Proportional integral...
Miscellaneous Contributed Journals and Academic Newsletters
by Abdulrahman Abdullah Alkandari, Samer Moein
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Because of rising dependency on fossil fuels, and rising amounts of toxic gases in the environment, it found that people are in need of a way to ensure the safety specifically those that live in cities. An approach is suggested in this paper, that is economical yet affords good detection, and can give accurate readings that can be analyzed and manipulated, and can even provide warnings through sending emails. These requirements are found in the Raspberry PI when it hooked up to the sensors....
Topics: Air Quality, Environment Monitoring System, Raspberry PI
Miscellaneous Contributed Journals and Academic Newsletters
by Zulkhairi Mohd Yusof, Md Masum Billah, Kushsairy Kadir, Muhamad Amirul Sunni Bin Rohim, Haidawati Nasir, M. Izani, A. Razak
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For a long time, visually impaired person uses a white cane to guide their way when travel outside. The white cane has been useful for the blinds in improving their mobility but unfortunately the white cane has its limitation. One of the shortcomings of the white cane is that, it could only detect the obstacles that are within the contact ranges of the white cane. This problem sometimes could cause the blind person to be in trouble because of insufficient time to detect and warn new obstacles...
Topics: Hole Detection, Smart Blind Stick, Visual Impaired
Miscellaneous Contributed Journals and Academic Newsletters
by A. Din, M. A. M. Piah, A. R. Abdullah, N. F. Kasri
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This paper presents surface degradation assessment based on surface roughness condition for various field-aged high voltage polymer insulators that were installed at different locations. The measurement of arithmetical mean surface roughness is done, and statistical analysis is implemented in this study. Three groups of insulators labeled as 6 years, 12 years, 18 years, and with their respective controlled samples are tested using a surface roughness tester. Data measurements from the testing...
Topics: Correlation analysis, Environmental stress, Field-aged insulator, Insulator degradation, Surface...
To ensure stability, security, and protection of electrical equipment from the damage the suitable coordination must be made in interconnected networks. In this paper, the nonlinear multivariable optimization techniques have been used with different performance indexes: Sequential quadratic programming (SQP), Sequential quadratic programming legacy (SQP-Legacy), Interior-Point and Active-Set for IEEE- 8 bus test system. This system consists of twenty-eight protective relays divided into...
Topics: Directional overcurrent relay, Distane relay, Nonlinear multivariable optimization, Pilot...
Miscellaneous Contributed Journals and Academic Newsletters
by Ade Silvia Handayani, Siti Nurmaini, Irsyadi Yani, Nyayu Latifah Husni
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In this paper, coordination among individual of swarm robot in communicating to maintain the safe distance between robots is analyzed. Each robot coordinates their movements to avoid obstacles and moving simultaneously. Evaluation of swarm robot performance is analyzed in this paper, namely: the coordination among robots to share information in safe distance determination. In controlling the coordination of motion, each robot has a sensor that provides several inputs about its surrounding...
Topics: Communication, Coordination, Fuzzy logic, Swarm robot
Miscellaneous Contributed Journals and Academic Newsletters
by Tomi Yahya Christyawan, Ahmad Afif Supianto, Wayan Firdaus Mahmudy
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The rapid development of internet and network technology followed by malicious threats and attacks on networks and computers. Intrusion detection system (IDS) was developed to solve that problems. The development of IDS using machine learning is needed for classifying the attacks. One method of the classification is Self-Organizing Map (SOM). SOM able to perform classification and visualization in learning process to gain new knowledge. However, the SOM has less efficient in learning process...
Topics: Big data, Clustering reference vector, Growing som, Intrusion Detector System, Self-organizing map
Miscellaneous Contributed Journals and Academic Newsletters
by V. Dega Rajaji, K. Chandra Sekhar
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Generally the switch mode power supply input voltage source is constant or shows insignificant little varieties.in any case, when fuel call used input source the last assumption is not valid. A fuel cell stack is give a details of low and not controlled DC output voltage, moreover, when the demanded current increases the output voltage becomes low in a nonlinear form; from now on, suitable controller is required to taken the previously mentioned issues. In this article, a normal current-mode...
Topics: Boost converter, Current mode controller, Fuel cell, Pi controller
Miscellaneous Contributed Journals and Academic Newsletters
by Ibrahim Alhamrouni, Wira Wahab, Mohamed Salem, Nadia H. A. Rahman, Lili Awalin
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With the rapid expansion of electricity grid, there yet still places to be covered considering their remote location. Micro-grid (MG) is a solution in this scenario, in fact, there is actually many cases where MG is used in case of emergency and act as a backup to the main electrical grid. By disconnecting itself from the larger grid, a grid that can have many problems, the micro-grid becomes much more flexible in its operations and by continuing to power households and communities alike....
Topics: Grid-connected mode, Islanded mode, Machine Micro-grid, Photovoltaic(PV), Total harmonic distortion...
The wireless rechargeable sensor network is attractive crucial and important in recent years for the advancement of wireless energy communication skill. The previous explore shown that not all of sensors can be recharged due to the limitation of power capacity to mobile chargers can carry. If a sensor playing a critical role in a sensing task cannot function as usual due to the exhausted energy, then the sensing task will be interrupted. Therefore, this paper proposes a novel recharging...
Topics: Android Application, Energy Harvesting, Fuzzy C, Priority, WSN
Miscellaneous Contributed Journals and Academic Newsletters
by Mohd Ezwan B Jalil, Mohamad Kamal A. Rahim, Osman B Ayop, Noor Asmawati Samsuri
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A Chipless RFID based Modified Complementary Split Ring Resonator (MCSRR) with Different Width (DW) which is metamaterial structure is designed using PET substrate (𝜀𝑟 =3, loss tangent = 0.025 at 2 GHz) to miniaturize effective length size of conventional split ring resonator. The MCSRR structure with DW provides less size about 17% compared with the conventional MCSRR structure. The single MCSRR resonator with different width only requires a frequency range of 12 % of Complementary Split...
Topics: Chipless, RFID, Metamaterial, PET substrate, Size miniaturization, Split ring resonator
Miscellaneous Contributed Journals and Academic Newsletters
by Fayçal Chebihi, Mohammed Essaid Riffi, Amine Agharghor, Soukaina Cherif Bourki Semlali, Abdelfattah Haily
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This paper proposes a novel discrete bio-inspired chicken swarm optimization algorithm (CSO) to solve the problem of the traveling salesman problem (TSP) which is one of the most known problems used to evaluate the performance of the new metaheuristics. This problem is solved by applying a local search method 2-opt in order to improve the quality of the solutions. The DCSO as a swarm system of the algorithm increases the level of diversification, in the same way the hierarchical order of the...
Topics: 2-OPT, CSO, DCSO, NP-HARD, TSP, TSPLIB
There are numerous robotic hand designs but the five-fingered robotic hand design is the most dexterous robotic hand design due to its similar appearance and motions with the human hands. The fingers' motions are commonly driven by geared motors or other types of emerging technologies. However, the motions are yet to be driven directly by solenoid actuators due to its limited stroke length and also general perceptions of its applications as an actuator. Nevertheless, solenoid actuators are...
Topics: Five-fingered robotic hand, Linear actuator, Robotic hand, Robotics, Solenoid
Miscellaneous Contributed Journals and Academic Newsletters
by Ily Amalina Ahmad Sabri, Mustafa Man
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Web data extraction is the process of extracting user required information from web page. The information consists of semi-structured data not in structured format. The extraction data involves the web documents in html format. Nowadays, most people uses web data extractors because the extraction involve large information which makes the process of manual information extraction takes time and complicated. We present in this paper WEIDJ approach to extract images from the web, whose goal is to...
Topics: DOM (Document Object Model), JSON (JavaScript Object Notation), Information Extraction,...
Miscellaneous Contributed Journals and Academic Newsletters
by Aparna Pradeep Laturkar, Sridharan Bhavani, DeepaliParag Adhyapak
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Wireless Sensor Network (WSN) is emergingtechnology and has wide range  of applications, such as environment monitoring, industrial automation and  numerous military applications. Hence, WSN is popular among researchers.  WSN has several constraints such as restricted sensing range, communication  range and limited battery capacity. These limitations bring issues such as  coverage, connectivity, network lifetime and scheduling and data  aggregation. There are mainly three strategies for...
Topics: DBPSO, MDBPSO, PSO, Wireless Sensor Network
Smartphones/mobile devices are enduring all the aspects of human life. With the significant increase in demand for applications running on smartphones/mobile devices, developers and testers are anticipated to deliver high quality, on time and within budget applications. The estimation of development and testing provides a baseline and act as a tracking gear for stakeholders and developers. There are various approaches for estimation of traditional software development. But mobile applications...
Topics: Agile development, Effort estimation, Mobile software/application, Software engineering