Now showing items 1106-1125 of 2583

    • Harmonic content as the indicator of transformer core saturation 

      Ismail, Daut, Prof. Dr.; Syafruddin, Hassan; Soib, Taib; Risnidar, Chan; Muhammad Irwanto (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
      The paper proposes a measurement method for obtaining the parameters needed to calculate a reliable indicator of the state of transformer core saturation. The major nonlinear effects in transformer core are saturation, ...
    • Harmonic monitoring at UniMAP distributed campus 

      Indra, Nisja; Ismail, Daut, Prof. Dr.; Syafrudin, M.; Risnidar Chan, Bahaudin, Ir.; Surya Hardi, Amrin (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-06)
      This paper an attempt has been made to monitor and analyze the harmonic distortions caused by certain typical non linear loads of an educational institution. The current and voltage harmonic distortion at PCC feeding office ...
    • Harmonic performance of single phase transformer with DC biased 

      Syafruddin, Hasan; Ismail, Daut, Prof. Dr.; Soib, Taib, Prof. Madya Dr.; Dina Maizana, Maiz Ahmad, Ir.; Rosnazri, Ali; Nor Ashbahani, Ashbahani (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Direct current (DC) flowing through the earthed neutrals of transformer windings causes a DC component in magnetizing current. Owing to nonlinearity, the waveform of this current is strongly distorted. A high enough ...
    • Harmony Search algorithm-based gasoline consumption modeling for Indonesia 

      Anggarani, Riesta; Watada, Junzo (Universiti Malaysia Perlis (UniMAP)School of Mechatronic Engineering, 2012-02-27)
      Indonesia is facing the discrepancy problem of the realized amount of gasoline consumption from the planned consumption. The discrepancy has burdened Indonesian national’s budget, because these unplanned imported amount ...
    • Harnessing the Benefits and Potentials of Consortium among Special Libraries in Malaysia: Proposed areas, Policy, Framework and Strategies for successful Collaborations 

      Assoc Prof Norma, Abu Seman; Mohd Sharif, Mohd Saad (PETRONAS, 2005-05-15)
      The library and information world of today, experience greater need for cooperation partnership and strategic alliance as the world becomes borderless, more globalized and face dwindling financial resource. There is greater ...
    • Harum manis mango weevil infestation classification using backpropagation neural network 

      Yasmin, M. Yacob; M. Shaiful, A.R.A; Zulkifli, Husin; Rohani, S Mohamed Farook; Abdul Hallis, Abdul Aziz (Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)
      Postharvest non-destructive detection methods in fruit quality have been widely studied eversince. This include studies of maturity, bruises and detection of pests or weevil existence in fruits such as apple, banana, ...
    • Health monitoring of elderly in independent and assisted living 

      Grantham, K.H. Pang, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      This paper aims to present a comprehensive solution for health monitoring of elderly in independent and assisted living. One mandatory requirement is on the provision of suitable medical devices and apparatus for regular ...
    • Heat dissipation analysis of UTHM chassis dynamometer 

      Jiung, W. S.; M. F. M., Ali; M. A. H., Mohamad; A., Mohammed (Universiti Malaysia Pahang (UMP), 2009-06-20)
      Chassis dynamometer, as available in UTHM’s automotive laboratory, are suitable for measuring torque and power produce by a vehicle; the reading produced are indicative of the vehicle’s performance on the road, considering ...
    • Heat source effect in a functionally graded thermopiezoelectric hollow cylinder 

      Mohsen, Mojiri; Mohsen, Jabbari (Universiti Malaysia Perlis, 2009-10-11)
      In this paper the exact solution for a functionally graded thermo-piezoelectric cylinder is developed. The displacement and stress distributions are derived due to heat source effect. The material properties and piezoelectric ...
    • Heat transfer analysis in an annular cone fixed with saturated porous medium 

      Ghulam, Abdul Quadir, Assoc. Prof. Dr.; Salman Ahmed, N. J.; Irfan Anjum, Badruddin; Sarfaraz, Kamangar; Zainal Alimuddin, Zainal Alauddin, Dr. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      The present work concerns with the heat transfer by natural convection and radiation in an annular cone fixed with saturated porous medium. The Darcy model is used to predict the heat transfer behavior in the porous ...
    • Heat transfer characteristics of parallel and counter flow Microchannel heat exchangers with varying wall resistance 

      Maqableh, A. M.; Khadrawi, A. F.; Al-Nimr, M. A.; Ammourah, S. A.; Benim, A. C. (Universiti Malaysia Perlis, 2009-10-11)
      Thermal behaviors of parallel and counter flow micro-heat exchanger are investigated numerically, with emphasis on the role of wall resistance and entry effects. The influence of different parameters, such as, thermal ...
    • Heat transfer characteristics on a continuous stretching surface with suction and injection 

      Khairul Anwar, Mohamad Khazali; Sharidan, Shafie, Dr. (Universiti Malaysia Perlis (UniMAP)Institut Matematik Kejuruteraan, 2010-06-02)
      The continuous stretching surface heat transfer and flow field problem has many practical applications in industrial and technology. Some of the application areas are hot rolling, paper production, metal spinning, drawing ...
    • Heat transfer characteristics on a continuous stretching surface with suction and injection 

      Khairul Anwar, Mohamad Khazali; Sharidan, S. (Universiti Malaysia Perlis (UniMAP)Institut Matematik Kejuruteraan, 2010-06-02)
      The continuous stretching surface heat transfer and flow field problem has many practical applications in industrial and technology. Some of the application areas are hot rolling, paper production, metal spinning, drawing ...
    • Heat transfer in an array of staggered tube using CFD method 

      Shamsul, Bahari; Mohd Yusoff, Sulaiman; Abd Talib, Din; Adib, Muizzudin (Universiti Malaysia Perlis, 2009-10-11)
      Heat exchangers are found in numerous industrial applications such as steam generation in aboller or cooling in the coll of an air conditioner. Heat tranfer in flow across tube bank is importance in designing of heat ...
    • Heating rate effects on properties of powder metallurgy Fe-Cr-Al2O3 composites 

      Saidatulakmar, Shamsuddin; Shamsul Baharin, Jamaludin, Prof. Dr.; Zuhailawati, Hussain; Zainal Arifin, Ahmad (Universiti Malaysia PerlisSchool of Materials Engineering & School of Environmental Engineering, 2010-06-09)
      The aim of this study is to determine the optimum heating rate in fabricating Fe-Cr-Al2O3 composites by powder metallurgy methods. The Fe-based composites reinforced with ceramics are widely used due to their high strength, ...
    • Heavy metal (iron) removal from landfill eachate by using two-stage constructed wetlands planted with Limnocharis flava and Eichhornia crassipes 

      Ain Nihla, Kamarudzaman; Johan, S.; Roslaili, Abdul Aziz; Wong, Yee Shian; Mohd Faizal, A. J. (Universiti Malaysia Sarawak (UNIMAS)Faculty of Resource Science & Technology, 2009-08-03)
      The main purpose of this study was to treat heavy metal present in landfill leachate by the use of two-stage constructed wetland and planted with Limnocharis flava and Eichhornia crassipes. This study also examine the ...
    • Hemodynamic study on upper extremity: Simulation on straight reverse saphenous vein graft 

      Shahriman, Abu Bakar, Dr,; Muhd Nur Rahman, Yahya; Siti Khadijah, ZA'BA, Dr,; Wan Khairunizam, Wan Ahmad, Dr,; Abdul Halim, Ismail; Khairul, A. H.; Sharifah Roohi, Syed Waseem Ahmad (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      Artery reconstruction in upper extremities is rare performed compare to the incidence of reconstruction in lower extremities. In many cases, primary vascular repair was performed, whenever, otherwise, the interposition ...
    • Heuristic based placement technique for distributed generation 

      Omar, Aliman; Musirin, Ismail; M. M., Othman; Mohd Herwan, Sulaiman (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-06)
      In this paper, a heuristic DG optimization technique for radial distribution feeders is proposed. Significant search space reductions obtained through a small number of DG tests is offered. A sufficient sensitivity test ...
    • HF radio communication with automatic link establishment capability at Universiti Malaysia Pahang 

      Nurulfadzilah, Hassan; Ahmad Zuri, Sha'ameri; Abd. Rahim, Mat Sidek; Norhafizah, Md Sarif (Universiti Malaysia Pahang (UMP), 2009-06-20)
      Transmitted HF radio wave is reflected back to earth by free electrons in the ionospheric layer. Thus these bands of frequencies which are from 3 to 30 MHz can be utilized for voice and data communication. Despite ...
    • High deadline meeting rate of non-preemptive dynamic soft real time scheduling algorithm 

      Zahereel Ishwar, Abdul Khalib, Dr.; R. Badlishah, Ahmad, Prof. Dr.; Ong, Bi Lynn, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-11)
      Hard real time systems were often implemented with preemptive scheduling, which gives priority to the highest priority task. In this paper we present a new non-preemptive scheduling of jobs meant for soft real time ...