Browsing School of Electrical Systems Engineering (Articles) by Issue Date
Now showing items 41-60 of 115
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Physiological signal analysis for cognitive state estimation
(World Scientific Publishing Co., 2012-02)The purpose of this paper is to identify inconsistency in human physiological signals based on cognitive states by measuring and analyzing bio-signals. In this paper, the cognitive states are estimated using physiological ... -
Reactive power tracing in pool-based power system utilising the hybrid genetic algorithm and least squares support vector machine
(The Institution of Engineering and Technology, 2012-02)This study presents a new method for reactive power tracing in a pool-based power system by introducing the hybrid genetic algorithm and least squares support vector machine (GA-LSSVM). The idea is to use GA to obtain the ... -
Capacitive micromachined ultrasonic tranducers: Technology and application
(Elsevier B.V., 2012-03)Capacitive micromachined ultrasonic tranducers (cMUTs) have recently emerged as an alternative to conventional piezoelectric transducers. They offer many advantages in terms of bandwidth, fabrication of layer arrays, ... -
Building factor of Grain-Oriented Silicon Iron (3% SiFe) with different thickness on 100kVA three phase distribution transformer core
(Trans Tech Publications., 2012-03)The power loss in laminated transformer cores is always greater than the nominal loss of the electrical steel laminations, by a factor known as the building factor. This paper discussed result of an investigation towards ... -
A reconfigurable ultra wide band (UWB) compact tree-design antenna system
(The Electromagnetics Academy, 2012-03)A novel compact tree-design antenna (NCTA) with the ability of reconfigurable ultra-wideband (UWB) of 3.1 GHz to 10.6 GHz to five multi-narrowband applications is proposed. This antenna has a novel radiating element design ... -
Solar PV and grid-connected electricity system with multiple modes operation for homes and buildings
(Praise Worthy Prize S.r.l., 2012-04)This paper presents the designed proposal of a solar PV and grid-connected electricity system with multiple modes operation for homes and buildings. It introduces to a more resourceful solar PV system that suits with the ... -
A new switching scheme for Z-source inverter to minimize ripples in the Z-source elements
(Springer Verlag, 2012-04)This paper presents a modification in pulse width modulation (PWM) scheme with unequal shoot-through distribution for the Z-source inverter (ZSI) which can minimize ripples in the current through the Z-source inductors as ... -
An application of artificial bee colony algorithm with least squares support vector machine for real and reactive power tracing in deregulated power system
(Elsevier Ltd., 2012-05)This paper presents a new method for real and reactive power tracing in a deregulated power system by introducing the hybrid artificial bee colony (ABC) algorithm and least squares support vector machine (LS-SVM), namely ... -
Evaluation of in-plane flux distribution in 3phase 100kVA transformer core
(Praise Worthy Prize S.r.l., 2012-06)These papers describe the result of measurement and evaluate the behaviours of inplane flux distribution on 100kVA 3phase distribution transformer assembled with the combination of 60°-45° T-joint. Methodology that is used ... -
Relationship between the solar radiation and surface temperature in Perlis
(Trans Tech Publications, Switzerland., 2012-06)Statistical models for predicting the solar radiation have been developed. In any prediction of the solar radiation, an understanding of its characteristics is of fundamental importance. This study presents an investigation ... -
Effect of lattice constant on band-gap energy and optimization and stabilization of high-temperature In xGa 1 -xN quantum-dot lasers
(Springer US, 2012-07)We analyze the effect of the lattice constant on the band-gap energy of In x Ga1−x N and optimize the structure of the device with a separate-confinement heterostructure. To vary the lattice constants, we change the In ... -
Realibility enhancement of a traffic signal light system using a mean-variance approach
(ICIC International, 2012-08)Traffic accidents cause tragic loss of life, property damage and substantial congestion to transportation systems. A large percentage of crashes occur at or near intersections. Therefore, traffic signals are often used to ... -
A review on existing and future energy sources for electrical power generation in Malaysia
(Elsevier Ltd., 2012-08)As the electricity demand is affected by population growth, Malaysia towards an industrialized nation is considering the options for future energy sources for its power generation. Besides the conventional four-fuel mix, ... -
New approach for evaluation of the performance of spectral amplitude coding-optical code division multiple access system on high-speed data rate
(The Institution of Engineering and Technology, 2012-08-14)In this study, the authors proposed a new approach to evaluate the system performance of spectral amplitude codingoptical code division multiple access (SAC-OCDMA) systems. The system performance is evaluated based on a ... -
Comparison study on chebyshev and composite lowpass filter for harmonic rejection in two ways radio
(Malaysian Technical Universities Network (MTUN), 2012-11-20)The paper is on a comparison study on Chebyshev and Composite lowpass filter designed at 300-400 MHz used for harmonic rejection in two ways radio. The filter is used to attenuate harmonic that generated by power amplifier ... -
Power factor performance on 0.35 mm and 0.50 mm thicknesses of steel sheets for 0.5 Hp induction motor using FEM software
(Science and Engineering Publishing Company, 2012-12)Decrease the thicknesses of steel sheets will increase the power factor of the 0.5 Hp induction motor. This paper presents the effect of thicknesses in power factor for non-oriented electrical steel sheets. The study was ... -
TiO2 dye sensitized solar cells cathode using recycle battery
(IOP Publishing Ltd, 2013)This paper proposed an alternative source of carbon material from recycled battery for the fabrication of cathode of a dye sensitized solar cell. Carbon from recycle battery is extracted and used to fabricate the cathode ... -
A simple technique for improving the anechoic performance of a pyramidal absorber
(EMW Publishing, 2013)In this paper, we propose a very simple technique that offers an extra degree of freedom to optimize the design of a tire dust-based absorber with reduced height. Cladding is a technique that is used to enhance the surface ... -
Optimal coordinated design of multiple damping controllers based on PSS and UPFC device to improve dynamic stability in the power system
(Hindawi Publishing Corporation, 2013)Unified Power Flow Controller (UPFC) device is applied to control power flow in transmission lines. Supplementary damping controller can be installed on any control channel of the UPFC inputs to implement the task of Power ... -
UPFC device application on power system oscillations to improve the damping performance
(Trans Tech Publications, 2013)UPFC is considered as an important modern device in the flexible ac transmission systems family that provides the controllability and flexibility for transmission lines. It is also capable of enhancing the stability of the ...