Conference Papers: Recent submissions

Now showing items 501-520 of 2600

    • Teaching distance relay using matlab/simulink graphical user interface 

      Muhd Hafizi, Idris; Mohd Zamri, Hasan; Surya, Hardi (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      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 ...

    • Optimal overcurrent relay coordination: a review 

      Muhamad Hatta, Hussain; Siti Rafidah, Abdul Rahim, Dr.; Ismail, Musirin, Prof. Dr. (Malaysian Technical Universities Network (MTUN), 2012)
      This paper presents an overview on optimal overcurrent relay coordination in protection system and protective relays. Efforts have been made to include all methods used for the coordination of overcurrent relays. It includes ...

    • Dual frequency X-Band reflectarray antenna using dual gap 

      Noor Hafizah, Sulaiman; Muhammad Yusof, Ismail, Dr. (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      The demand for low cost and less weight antenna with compact broadband features in communication system is rapidly increasing. In this work, the possibility of employing dual gap on reflectarray patch element for static ...

    • Modeling of DC-DC converter for solar energy system applications 

      Nurul Husna, Abd Wahab; Siti Fatimah, Siraj, Prof. Madya. Dr.; Mohd Zaki, Abd. Muin, Prof. (Institute of Electrical and Electronics Engineers (IEEE), 2012-03-18)
      This paper presents the design and simulation of a DC-DC boost converter which uses solar system as input source. In general, solar is one of renewable energy sources which is sustainable and free if compared to other ...

    • Techno-economic analysis of LED lighting: A case study in UTeM’s Faculty Building 

      Chin, Kim Gan; Ahmad Farid, Sapar; Yik, Chee Mun (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      This paper examines the feasibility of adopting LED lamp in replacing the conventional fluorescent lamp. Analysis and comparison have been carried out on the two lighting systems in terms of electrical and photometrical ...

    • Asymptotic tracking position control for nonlinear systems using backstepping technique 

      Sahazati, Md Rozali; Muhammad Nizam, Kamarudin; Mohd Fua'ad, Rahmat, Dr.; Abdul Rashid, Husain (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      Backstepping is a technique developed for designing stabilizing controls for a special class of nonlinear dynamical systems. It is built from subsystems that radiate out from an irreducible system which can be stabilized ...

    • A new soft switching PWM DC-DC converter with auxiliary circuit and centre-tapped transformer rectifier 

      Charin, Chanuri; Shahid, Iqbalr; Soib, Taib (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      This paper proposes a novel soft switching isolated dc to dc converter. The proposed topology consists of a basic half-bridge dc-dc converter and an auxiliary circuit. The auxiliary circuit consists of two active switches ...

    • Design optimization studies on high torque and high power density hybrid excitation flux switching motor for HEV 

      Erwan, Sulaiman, Dr.; M. Z., Ahmad; Kosaka, T.; Matsui, N. (Malaysian Technical Universities Network (MTUN), 2012)
      This paper presents design optimization studies on high torque and high power density hybrid excitation flux switching motor (HEFSM) as a candidate for traction drives in hybrid electric vehicles (HEVs). Firstly, the ...

    • Observer-based output feedback control with linear quadratic performance 

      Muhammad Nizam, Kamarudin; Sahazati, Md.Rozali; Abdul Rashid, Husain (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      This paper discusses about the use of LQ performance optimality in the design of observer-based output feedback control for uncertain system with exogenous disturbance. The variable structure control law is adopted to ...

    • The SEM & AFM images of MEH-PPV films below CLA region 

      Nurjuliana, Juhari; Wan Haliza, Abd Majid, Prof. Dr.; A. I., Zainol (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      Poly [2-methoxy-5--ethylhexyloxy)-1,4-phenylene vinylene] (MEH-PPV) is an example of conducting polymer that used to fabricate an organic light emitting diode (OLED). The surface roughness and homogeneity of MEH-PPV film ...

    • Development of optimum controller based on MPPT for photovoltaic system during shading condition 

      Abd Kadir, Mahamad; Sharifah, Saon; Wong, Swee Chee (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      The output powers of photovoltaic (PV) system are crucially depending of the two variable factors, which are the cell temperatures and solar irradiances. A method to utilize effectively the PV is known as a maximum power ...

    • Electrostatic pull-in characteristic of silicon diaphragm for MEMS micropump design 

      Rosmani, Ramli; Ahmad Alabqari, Ma'razi (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      Electrostatic actuation method is commonly employed for MEMS micropump mechanism which consists of diaphragm microstructure and parallel electrode. This work discussed on design and simulation of square silicon diaphragms ...

    • Analytical model and practicle validation of phase variation of reflectarray antenna 

      Muhammad loam, Abbasi; Muhammad Yusof, Ismail (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      Reflection phase properties of reflectarray antenna design in the X-band frequency range has been addressed in this work. An analytical model for obtaining the required reflection phase from individual reflectarray elements ...

    • Sensory response through EEG interpretation on alpha wave and power spectrum 

      Rubita, Sudirman, Dr.; S.Suraya, Hussin (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      The common proprioceptive sense consist sight, sound, touch, taste and smell. This aim of paper is to study about the electroencephalography (EEG) on normal children. Two characteristics of the signals involve the alpha ...

    • The integration of rectangular SIW filter and microstrip patch antenna based on cascaded approach 

      Zahriladha, Zakaria, Dr.; Sam, W. Y.; Mohamad Zoinol Abidin, Abd. Aziz; Mohd Muzafar, Ismail (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      This paper presents the technique for integrating the rectangular Substrate Integrated Waveguide (SIW) filter with the rectangular microstrip patch antenna to produce filtering and radiating element in a single device. To ...

    • Design of low noise amplifier using feedback and balanced technique for WLAN application 

      Mohamad Harris, Misran; Maizatul Alice, Meor Said; Mohd Azlishah, Othman; Mohd Muzafar, Ismail; Hamzah Asyrani, Sulaiman; K.G., Cheng (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      This paper presents the design of low noise amplifier for WLAN front-end applications using enhancement mode technology. Typical single frequency LNA is required to operate with low noise, high gain and good linearity at ...

    • Structural, analysis and optical studies of cadmium sulfide nanostructured 

      Abdulwahab, S.Z. Lahewil; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr. (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      Cadmium sulfide (CdS) thin films of nanostructure were prepared and deposited on glass substrates with Cd:S (1.2 to 0.05 mol/L) annealed at 400ºC and different spin coating speed (1000 and 5000 rpm) using sol-gel spin ...

    • EDFA-WDM optical network design system 

      Mohd Muzafar, Ismail; Mohd Azlishah, Othman; Zahriladha, Zakaria; Mohamad Harris, Misran; Maizatul Alice, Meor Said; Hamzah Asyrani, Sulaiman; Mohammad Noorazlan Shah, Zainudin; Mohamad Ariffin, Mutalib (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      Optical network that apply wavelength division multiplexing (WDM) is currently widely used in existing telecommunications infrastructures and is expected to play a significant role in next generation networks and the future ...

    • Design and analysis of high performance reflectarray resonant elements 

      Kiyani, Arslan; Muhammad Yusof, Ismail, Dr. (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      This paper reports on the performance comparison of different structures of reflectarray resonant elements operating in X-band frequency range. A thorough investigation has been carried out in terms of reflecting area, ...

    • Modelling of 132kV overhead transmission lines by using ATP/ EMTP for shielding failure pattern recognition 

      Nur Zawani, Saharuddin; Junainah, Leman; Imran, Sutan Chairul; Mohd Faizuhar, Razali (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      Lightning overvoltage is the major cause of the transmission line interruption in Malaysia. It is the main reason that endangers the safety and reliability of transmission line system. The phenomenon is a dominant factor ...