Now showing items 85-104 of 115

    • Reactive power tracing in pool-based power system utilising the hybrid genetic algorithm and least squares support vector machine 

      Mohd Wazir, Mustafa, Prof. Dr.; Mohd Herwan, Sulaiman; Hussain, Shareef, Dr.; Siti Nur Hidayah, Abd Khalid (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 ...
    • Realibility enhancement of a traffic signal light system using a mean-variance approach 

      Shamshul Bahar, Yaakob; Watada, Junzo (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 reconfigurable ultra wide band (UWB) compact tree-design antenna system 

      Muzammil, Jusoh; Mohd Faizal, Jamlos, Dr.; Muhammad Ramlee, Kamarudin; Mohd Fareq, Abd. Malek, Dr.; Muhamad Asmi, Romli; Zahari, Awang Ahmad; Mahathir, H. Mat (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 ...
    • Relationship between the solar radiation and surface temperature in Perlis 

      Ismail, Daut, Prof. Dr.; Mohd Irwan, Yusoff; Safwati, Ibrahim; Muhammmad Irwanto; Gomesh Nair, Shasidharan (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 ...
    • Resemblance of rain fall in Bangladesh with correlation dimension and neural network learning 

      Abu Nasir, Mohammad Enamul Kabir; Hussain Muhammad Imran, Hasan; Mohd Abdur Rashid, Dr.; Azralmukmin, Azmi; Md. Zakir, Hossain; Md. Shahjahan (Science Publication, 2013-10)
      Rain fall and Temperature are undoubtedly two important factors that balance water in the environment. Adequate study of the rain behavior helps to forecast it. The time series obtained from different stations of the country ...
    • A review on existing and future energy sources for electrical power generation in Malaysia 

      Rosnazri, Ali; Ismail, Daut, Prof. Dr.; Soib, Taib (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, ...
    • Review on Malaysian and Thailand's perspective towards renewable energy 

      Gomesh Nair, Shasidharan; Muhammad Irwanto, Misrun; Mohd Irwan, Yusoff; Muhammad Fitra; Uda, Hashim, Prof. Dr.; Norman, Mariun (Trans Tech Publications, 2014)
      This paper presents a review on Malaysia and Thailand’s view on renewable energy mainly in the area of solar energy. It is based on a survey conducted on random subjects in Malaysia raging from different discipline such ...
    • Rubber tire dust-rice husk pyramidal microwave absorber 

      Mohd Fareq, Abd. Malek, Dr.; Cheng, Ee Meng, Dr.; O., Nadiah; Nornikman, Hassan; M., Ahmed; M. Z. A., Abd Aziz; A. R., Osman; Soh, Ping Jack; Azremi, Abdullah Al Hadi; A., Hasnain; Mohd Nasir, Taib (EMW Publishing, 2011)
      Rubber tire dust-rice husk is an innovation in improving the design of pyramidal microwave absorbers to be used in radio frequency (RF) anechoic chambers. An RF anechoic chamber is a shielded room covered with absorbers ...
    • SCPS solution for heterogeneous networks for isolated areas: a novel design approach 

      Satea Hikmat, Alnajjar; Mohd Fareq, Abd. Malek, Dr. (ICIC International, 2012)
      This research presents an innovative system that has capability to prove the technical feasibility and advantages of a joint radio frequency (RF) and free space optic (FSO) system with a synchronized self-trace directional ...
    • A simple technique for improving the anechoic performance of a pyramidal absorber 

      M. Nadeem, Iqbal; Mohd Fareq, Abd. Malek, Dr.; Yeng, S. Lee; Liyana, Zahid; Muhammad Iqbal, Muhammad Hussain, Dr.; Mohd F. H., A Malek; Nur Fairuz, Mohamed Yusof; Norshafinash, Saudin; Noor Anida, Abu Talib (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 ...
    • Simplification of sun tracking mode to gain high concentration solar energy 

      Omar, Aliman; Ismail, Daut; Muzamir, Isa; Mohd Rafi, Adzman (Science Publications, 2007)
      Power conversion from solar thermal energy to electrical energy is still very cost-intensive. Serious effort has to be given in the development of the concentrator or heliostat structure expenditure which contributing the ...
    • Simulation and optimization of a stand-alone sustainable renewable energy system 

      Alhassan, Salami Tijani; Ku Muhammad Ridzuan, Ku Suid; Yazhar, Yatim (Trans Tech Publications, 2014)
      This paper presents a state of the art design of a stand-alone photovoltaic (PV) system to provide the required electrical power for a single refrigeration system at Kuala Terengganu, Malaysia. The simulation result shows ...
    • Small-signal AC modeling technique of Buck converter with DSP based Proportional-Integral-Derivative (PID) controller 

      Mohd Faridun Naim, Tajuddin; Rahim, N. A. (IEEE, 2009-12-16)
      Control applications of switched mode power supplies have been widely explored. The main objective of research and development (R&D) in this field has always been to find the simplest method to analyze and model the DC/DC ...
    • Smart platforms surveillance system to enhance communication in disaster environments 

      Satea Hikmat, Alnajjar; Mohd Fareq, Abd. Malek, Dr.; Zainab Nazar, Khalil Wafi (Engg Journals Publications, 2013-04)
      The modern communications technology is a positive case for disaster risk reduction, since they to it provides critical information to realize risk assessment. In this study, we present an innovative technique is characterized ...
    • Smart receiver system of green hybrid antennas 

      Mohd. Faizal, Jamlos, Dr.; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr.; Mohd Fareq, Abd. Malek, Dr.; Muzammil, Jusoh, Dr.; Mohd A., Jamlos (Wiley Periodicals, Inc., 2013-04)
      A hybrid of multiformities receiver system is proposed in this article.The system is developed through a combination of reconfigurable beam-steering antenna, reconfigurable beam-shaping antenna, and data acquisition (DAQ) ...
    • Solar PV and grid-connected electricity system with multiple modes operation for homes and buildings 

      Rosnazri, Ali; Ismail, Daut, Prof. Dr.; Soib, Taib, Assoc. Prof. Dr.; Tunku Muhammad Nizar, Tunku Mansur; Nor Hanisah, Baharudin (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 ...
    • Stability analysis of solar cell characteristics above room temperature using indium nitride based quantum dot 

      Mohd Abdur Rashid, Dr.; Adawati, Yusof; Md. Abdullah, Al Humayun; Abdul Kareem Naser, Mahmood Al-Khateeb; Tamaki, Shiro (Science Publication, 2013-09)
      This study represents the improvement of stability of solar cell characteristics above room temperature. We have analyzed theoretically the temperature dependence of three major characteristics of solar cell using Ge and ...
    • Study and simulation of an edge couple split ring resonator (EC-SRR) on truncated pyramidal microwave absorber 

      Nornikman, Hassan; Badrul Hisham, Ahmad, Assoc. Prof. Dr.; Mohamad Zoinol Abidin, Abd. Aziz; Mohd. Fareq, Abd. Malek, Dr.; H, Imran; Ali Rani, Othman (EMW Publishing, 2012)
      Split ring resonator (SRR) structure can potentially be incorporated onto the truncated pyramidal microwave absorber. This study considers three different patterns of edge couple split ring resonator (EC-SRR) designs. Each ...
    • Teaching distance relay using Matlab/Simulink graphical user interface 

      Muhd Hafizi, Idris; Surya, Hardi; Mohd Zamri, Hasan (Elsevier Ltd., 2013)
      This paper describes the modeling of distance relay using Matlab/Simulink package. SimPowerSystem toolbox was used for detailed modeling of distance relay, transmission line and fault simulation. Inside the modeling, single ...
    • Theoretical characteristics of 1.55 μm InN based quantum dot laser 

      Md Mottaleb, Hossain; Md. Abdullah, Al Humayun; Ashraful Ghani, Bhuiyan (The International Society for Optical Engineering (SPIE), 2013-08)
      The theoretical characteristics of photon emission at 1.55 μm wavelength are presented considering single layer of indium nitride (InN) quantum dots in the active region. The transparency threshold has been obtained at ...