Now showing items 1001-1020 of 2600

    • Optimization of the processing mode of machine tools by using the criterion of minimum cost 

      A. M., Ahmed Alwaise; Usubamatov, Ryspek, Prof. Dr.; Zuraidah, Mohd Zain, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      Calculation of the cost and optimization of the operating modes for automatic machine tools today is complex, and in many cases, an unresolved problem. Most equations for calculating the optimal machining processes with ...
    • Geometrical effect on the behavior of circular and elliptic tubes under dynamic axial loading 

      Fauziah, Mat; Rakhmad Arief, Siregar, Dr.; Khairul Azwan, Ismail, Dr.; Sazali, Yaacob, Prof. Dr.; Othman, Inayatullah, Capt (Rtd) Dr. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      A numerical investigation of circular and elliptic tubes is performed under dynamic axial loading using non- linear finite element code LS DYNA. The material of the tubes is treated as piecewise linear ...
    • Wind turbine blades fault detection based on principal component analysis 

      Abdelnasser, Abouhnik; Ghalib R., Ibrahim; Mohammed sh-eldin; A. Albarbar (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      This paper presents a new approach to detect faults in wind turbine blades. This approach is based on Principal Component Analysis (PCA) of the vibration signal. The residual matrix signals for healthy and faulty system ...
    • Comparison of radial basis function and back-error propagation neural networks for crack detection in variable cross-section beams 

      Neda Nasiri; Shahab Ilbeigi; Foad Nazari; Behzad Asmar; Mahdi Karimi; Sara Baghalian (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      In this study a method for identification of crack in variable cross-section beam is presented. The process of crack identification is consists of three steps. In first step, three natural frequencies of a variable ...
    • Elasticity solution of functionally graded beams resting on Winkler-Pasternak elastic foundation by DQM 

      Behzad Asmar; Fateh Teimuri; Foad Nazari; Seyed Soroosh Malihi; Mohammad Ali Rahbari-Kahjogh (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      Two-dimensional elasticity solution is presented for static analysis of functionally graded beams with various end conditions and resting on elastic foundation, using the semianalytical approach, which makes use of the ...
    • The specific energy absorption of local wood subjected to quasi-static loading 

      Mohd Khairir, Ismail; Md. Radzai, Said; Mohd Firdaus, Zakaria (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      An experimental investigation was performed to obtain specific energy absorbed of Malaysia local wood. Eleven species of wood were chosen which are, Nyatoh, Merbau, Meranti Putih, Kelapa Sawit, Kempas, Jati, Chengal,Meranti ...
    • Ant colony system with stagnation avoidance for the scheduling of real-time tasks 

      Yacine, Laalaoui; Habiba, Drias; Adel, Bouridah; R. Badlishah, Ahmad, Prof. Madya Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2009-03-30)
      This paper presents a meta-heuristic approach, namely, the Ant Colony System for non-preemptive scheduling of real-time tasks under timing and precedence constraints on a single processor architecture. The present paper ...
    • Methods of measurement of LTCC metallization thickness 

      Khiang, Lee Soo; Norhawati, Ahmad; Muammar, Mohamad Isa; Rosidah, Alias (Institute of Electrical and Electronics Engineers (IEEE), 2008-12-01)
      Metallization provides electrical routing and serves as thermal via in LTCC (Low Temperature Cofired Ceramic) technology. High electrical and thermal conductivity is desirable. It is often achieved with the use of low ...
    • Microwave FET amplifier stability analysis using Geometrically-derived Stability Factors 

      Syuhaimi, Kassim; Mohd Fareq, Abd Malek, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-15)
      In this paper, the concept of stability in the design of microwave amplifier is re-visited. With the help of EDA tools, the determination of the microwave amplifier stability is simplified through the derivation of ...
    • Design and development of an eye surgery simulator 

      Kenneth, Sundaraj, Assoc. Prof. Dr; Lam, C. K. (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-15)
      Eye is one of the most important sensory organs in our human body. Ophthalmologists are ineligible to carry any mistakes during surgical operations since it will end up patients lost their sight forever. The rising of ...
    • Development of carbon nanotube based biosensor fabrication for medical diagnostics application 

      Syamsul, N. S. B. M.; Mohammad Nuzaihan, Md Noor; Uda, Hashim, Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-12-01)
      Carbon nanotubes are tiny hollow cylinders, made from a single grapheme sheet, that possess many amazing properties. Spurred by the Human Genome Project, deoxyribonucleic acid (DNA), carbon nanotube based biosensors are ...
    • Skid control of small electric vehicle with hybrid brake system 

      Mohamad Heerwan, Peeie; Ogino, Hirohiko, Dr.; Oshinoya, Yasuo, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      The studies of safety and stability systems of small electric vehicles can be divided broadly into two areas of interest, namely skid control by motor sensors and safety improvement by Anti-lock Braking System (ABS). ...
    • Rolling element bearing faults detection, power spectrum and envelope analysis 

      Moammer Ali, Saud Al-Tubi; Khalid, F. Al-Raheem; Waleed, Abdul-Karem (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      This paper demonstrates the effects of Fast Fourier Transform and envelope spectrums to detect the rolling element bearing faults. Throughout using Fast Fourier Transform and Hilbert Transform to detect the faults of three ...
    • Load-displacement behavior of RBD palm stearin oil lubricant quantity in cold extrusion 

      Mohd Hafis, Sulaiman; Mohd Ridzuan, Mohd Jamir; Mohd Afendi, Rojan; Imaduddin Helmi, Wan Nordin; Boon, Raymond Whee Heng; Syahrullail, Samion, Dr. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      Large consumption of lubricant may affect the environment due to their high potential of pollution. Therefore, there is significant demand to provide a solution to this current condition by using alternative lubricant ...
    • Finite element modeling of sheet metal forming process 

      I., Abu-Shah; A., Abdul-Latif; N., Kamsah; Z., Ahmad; M. N., Tamin (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      This work examines the mechanics of sheet metal forming process consisting of drawing a 0.7 mm-thick 0.045C steel blanks into cup-shape parts. Drawing process parameters consist of die clearance setting of 0.6 mm and ...
    • Bending fatigue strength of case-carburized spur gears with boss 

      Imaduddin Helmi, Wan Nordin; Mohd Afendi, Rojan; Salmie Suhana, Che Abdullah; Mohd Hafis, Sulaiman (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      Studies on the spur gear, to increase the bending fatigue strength have been published by adopting gear with high pressure angle and positive addendum modification factor. However, studies on the spur gear with wide ...
    • An efficient modified booth multiplier architecture 

      Razaidi, Hussin; Ali Yeon, Md Shakaff, Prof. Dr.; Norina, Idris; Zaliman, Sauli, Prof. Dr.; Rizalafande, Che Ismail; Afzan, Kamarudin (Institute of Electrical and Electronics Engineers (IEEE), 2008-12-01)
      In this paper, we present the design of an efficient multiplication unit. This multiplier architecture is based on Radix 4 Booth multiplier. In order to improve his architecture, we have made 2 enhancements. The first is ...
    • A compact size antenna with high gain enhancement for IEEE 802.15.3 

      M. T., Jusoh; Mohd Faizal, Jamlos, Dr.; Muhammad Ramlee, Kamarudin; Mohd Fareq, Abd. Malek, Dr.; Emi Izhanizam, Azmi (Institute of Electrical and Electronics Engineers (IEEE), 2011-09-25)
      This paper proposed a new antenna design for IEEE 802.15.3 applications. The presented antenna has a compact size of 40mm 40mm where it can cover ultra-wideband (UWB) operating frequency, 3.1GHz to 10.6GHz. It consists of ...
    • Development and performance evaluation of hierarchical quadrature amplitude modulation (HQAM) for image transmission over wireless channels 

      Md. Abdul Kader; Farid, Ghani, Prof. Dr.; R. Badlishah, Ahmad, Prof. Madya Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2011-09-20)
      Asymmetric modulation techniques like Quadrature Amplitude Modulation system is one of the key techniques in building a broadband mobile communication network because of increasing shortage of wireless communication channels. ...
    • Application of grey-fuzzy logic for the optimization of process parameters on CNC turning of EN8-steel 

      Acharya, A. K.; Thatoi, D. N.; Routara, B. C. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      This paper presents an effective approach of greyfuzzy logic to optimize the cutting parameters in CNC turning with respect to multiple roughness characteristics. Four cutting parameters, namely, depth of cut, spindle ...