Recent Submissions

  • Sol-gel synthesis and characterization of Ba1-xGdxTiO3+δ thin films on SiO2/Si substrates using spin-coating technique 

    Teh, Yen Chin; Ala’eddin, A. Saif; Prabakaran, Poopalan (Kaunas University of Technology (Lithuania), 2017)
    Ba1-xGdxTiO3+δ, at x = 0, 0.05, 0.1, 0.15, 0.2, (BGT) thin films have been fabricated on SiO2/Si substrate using sol-gel method. The microstructure and surface morphology of the fabricated films have been investigated ...
  • Error correction for foot clearance in real-time measurement 

    Yufridin, Wahab, Dr.; Norantanum, Abu Bakar; Mazlee, Mazalan (Institute of Physics Publishing, 2014)
    Mobility performance level, fall related injuries, unrevealed disease and aging stage can be detected through examination of gait pattern. The gait pattern is normally directly related to the lower limb performance condition ...
  • Low power shoe integrated intelligent wireless gait measurement system 

    Yufridin, Wahab, Dr.; Mazlee, Mazalan; Norantanum, Abu Bakar; A F, Anuar; Mohammad Zaidi, Zainol; F, Hamzah (Institute of Physics Publishing, 2014)
    Gait analysis measurement is a method to assess and identify gait events and the measurements of dynamic, motion and pressure parameters involving the lowest part of the body. This significant analysis is widely used in ...
  • Design and analysis of various microcantilever shapes for MEMS based sensing 

    Huzein Fahmi, Hawari; Yufridin, Wahab, Dr.; M. T., Azmi; Ali Yeon, Md Shakaff, Prof. Dr.; Uda, Hashim, Prof. Dr.; Shazlina, Johari, Dr. (Institute of Physics Publishing, 2014)
    One the major requirements for sensing devices is its sensitivity. This paper presents the design, analysis and simulation of various types of MEMS based microcantilevers shapes and their influence on sensing sensitivity. ...
  • Bioreactor profile control by a nonlinear auto regressive moving average neuro and two degree of freedom PID controllers 

    Ubaid, Imtiaz; Jamuar, Sudhanshu Shekhar, Prof. Dr.; Sahu, Jaya Narayan; Ganesan, Poo Balan (Elsevier Ltd., 2014-11)
    This paper presents the use of nonlinear auto regressive moving average (NARMA) neuro controller for temperature control and two degree of freedom PID (2DOF-PID) for pH and dissolved oxygen (DO) of a biochemical reactor ...
  • L-band multi-wavelength Brillouin-Raman fiber laser utilizing the reverse-S-shaped section 

    Nor Azura malini, Ahmad Hambali, Dr.; M. Ali, Toor; Zulfadzli, Yusoff, Assoc. Prof.; Muhammad, Ajiya (World Scientific Publishing Company., 2014-06)
    In this paper, we experimentally demonstrated multi-wavelength Brillouin-Raman fiber laser that operates in the L-band wavelength region. The laser structure utilizes the reverse-S-shaped technique. 35 output Brillouin ...
  • LED heat dissipation analysis using composite based cylindrical slug 

    Zaliman, Sauli, Dr.; Vairavan, Rajendaran; Retnasamy, Vithyacharan (Trans Tech Publications Inc., 2014-02)
    The optical efficacy and reliability of light emitting diode is extensively influenced by the operating junction temperature of the LED. Therefore, the evaluation of junction temperature is significant. This paper reports ...
  • Effects of heat slug shapes on the heat dissipation of high power LED 

    Zaliman, Sauli, Dr.; Vairavan, Rajendaran;; Retnasamy, Vithyacharan (Trans Tech Publications Inc., 2014-02)
    High power light emitting diodes are currently challenged by thermal issue of high heat generation which limits the reliability and efficiency. Each component in the LED package has a significant role in heat dissipation. ...
  • Wettability and surface roughness study on RIE treated aluminium deposited surface 

    Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Uda, Hashim, Prof. Dr.; Palianysamy, Moganraj; Aaron, Koay Terr Yeow; Ramzan, Mat Ayub (Trans Tech Publications, 2014-04)
    Design of Experiment (DOE) is a technique for optimizing process which has controllable inputs and measurable outputs. As a method of DOE, 24 Full Factorial design is used to study the effect of Reactive Ion Etch towards ...
  • Low loss optimization of strip channel polysilicon waveguide fabrication 

    Mukhzeer, Mohamad Shahimin, Dr.; Ang, Keng Chuan; Khor, Kang Nan (American-Eurasian Network for Scientific Information, 2013)
    Research on waveguide structures, its behaviour and material properties are very extensive for a wide range of applications. Generally, waveguides are used for optical devices such as biosensors. This paper investigates ...
  • Simulation of 1GHz center frequency SAW using CST software for biosensor application 

    Mohd Rosydi, Zakaria; Uda, Hashim, Prof. Dr.; M. H. I., Mohd Amin; Tijjani Adam, Shuwa; M. Wesam, Al-Mufti (IDOSI Publications, 2013)
    Surface Acoustic Wave (SAW) is a one of the essential components that used for sensor application to detect in various fields. The high center frequencywill improve the sensitivity of SAW biosensor. Therefore, it's very ...
  • Heat dissipation analysis under natural convection condition on high power LED 

    Vairavan, Rajendaran; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
    As the technology downscales with superior power and increased package density, the thermal effects of the high power LED are significant. Thus, the operating junction temperature of the high power light emitting diodes ...
  • High power LED heat dissipation analysis via copper diamond slug 

    Vairavan, Rajendaran; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
    The emergence of high power light emitting diode as a novel electronic based light source is due to its vast advantage in terms of optical efficacy, low power consumption and enhanced life time. However, the performances ...
  • LED heat dissipation study using different Cu slug size 

    Vairavan, Rajendaran; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
    High power light emitting diodes (LEDs) have significant contribution in illumination industry due exceptional advantages in terms of low power consumption, superior reliability, prolonged life time and high efficiency. ...
  • Nuclear matter and surface clustering 

    Qamar Nasir, Usmani, Prof. Dr.; Nooraihan, Abdullah; Khairul Anwar, Mohamad Khazali; Zaliman, Sauli, Dr. (IOP Publishing Ltd, 2013)
    We demonstrate that the binding energy per nucleon of symmetric nuclear matter (SNM) (with Coulomb interaction switched off and N Z) in the limit of zero density approaches to its value, uv, at the saturation density, where ...
  • A brief review of layered rock salt cathode materials for lithium ion batteries 

    Tan, Tze Qing; Soo, Soon Peng; Azmi, Rahmat, Prof.; Shamsul Baharin,  Jamaludin, Prof. Dr.; Rozana Aina, Maulat Osman, Dr. ; Zul Azhar, Zahid Jamal, Dato Prof. Dr.; Mohd Sobri, Idris, Dr. (Trans Tech Publications, 2013)
    Nowadays, many researchers have been studying on the layered rock salt-type structure as cathode materials for the lithium ion batteries. LiCoO2 is the most commonly used cathode material but Co is costly and toxic. Thus, ...
  • Comparative study of natural anthocyanins compound as photovoltaic sensitizer 

    Suriati, Suhaimi; Mukhzeer, Mohamad Shahimin, Dr.; Ili Salwani, Mohamad; Mohd Natashah, Norizan (AENSI Publisher All rights reserved, 2013-10)
    Fabrication and characterization of different natural dyes extracts of dye sensitized solar cell (DSSC) are reviewed in this paper. Inorganic metal complex, N3 dye is also studied as a comparison. The paper focussed on the ...
  • Numerical analysis of velocity profile in a FFS microchannel 

    Nor Shakirina, Nadzri; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Tan, Hsio Mei; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
    Manipulation of the fluid flow behavior in microfluidic with precision technique is crucial to satisfy the needs of miniaturized systems. Velocity measurement is one of the physical phenomena plays significant role to ...
  • FSS microchannel fluid flow profile investigation at high and low Re number 

    Nor Shakirina, Nadzri; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Tan, Hsio Mei; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
    The fundamental understanding of dynamic fluid flow behavior in different geometry channel is crucial due to transport phenomena influence on the key design and process control of the microfluidic systems. Recently, the ...
  • Low density fibrous material surface light reflectance analysis 

    Ong, Tee Say; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
    The light based surface finishing of most product measurement is an important feature in the industries. In this paper, a lab fabricated tester for investigation on the quality of low density paper which was represent by ...

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