Now showing items 118-137 of 322

    • Estimation of carrageenan concentration by using ultra sonic waves and back propagation neural networks 

      Prasad, Reddy; Krishnaiah, Duduku; Awang, Bono; Paulraj, Murugesa Pandiyan, Prof. Madya; Rosli, Mohd Yunus; Naveena Lakshmi (Asian Network for Scientific Information, 2010)
      The application of Artificial Neural Networks in chemical engineering field is being under immense research. One of the physical properties of every material has its own intensity to absorb the sound waves. Carrageenans ...
    • Evaluate the effects of various surface roughness on the tribological characteristics under dry and lubricated conditions for Al-Si alloy 

      Riyadh A., Al-Samarai; Haftirman, Dr.; Khairel Rafezi, Ahmad, Dr.; Yarub, Al-Douri, Assoc. Prof. Dr. (Scientific Research Publishing Inc. All rights reserved., 2012-07)
      The effect of surface roughness average of hypereutectic aluminum silicon alloys (with 16 wt% Si) on the friction and wear was investigated. Various surface roughness average (Ra) of different degrees was verified as well ...
    • Experimental determination of the performance of rice husk-carbon nanotube composites for absorbing microwave signals in the frequency range of 12.4-18 GHz 

      Lee, Yeng Seng; Mohd Fareq, Abd. Malek, Dr.; Cheng, Ee Meng, Dr.; Liu, Wei Wen, Dr.; Kok, Yeow You; Muhammad Nadeem, Iqbal; Wee, Fwen Hoon, Dr.; Khor, Shing Fhan, Dr.; Liyana, Zahid; Mohd Fariz, Haji Abd Malek (EMW Publishing, 2013)
      Composites of rice husks and carbon nanotubes (RHC-NTs) are an innovation in improving the absorption of microwave signals. Rice husks, which are an agricultural waste material, have been found to possess a significant ...
    • An experimental investigation of palm pressed fibre waste as lubricant in strip drawing 

      Mohd Hafis, Sulaiman; Mohd Ridzuan, Mohd Jamir; Alina Rahayu, Mohamed; N. Farahana, R.; Syahrullail, Samion, Assoc. Prof. Dr. (Penerbit UTM Press, 2014)
      The abundance of palm pressed fibre (PPF) biomass waste generates greenhouse gases. Therefore, an experimental study on catalytic pyrolysis technology using a tubular reactor on PPF oil was performed at temperature of 450 ...
    • Experimental investigation of PCM spheres in thermal energy storage system 

      Nasrul Amri, Mohd Amin, Dr.; Azizul, Mohamad; Mohd Shukry, Abdul Majid, Dr.; Mohd Afendi, Rojan, Dr.; Bruno, Frank, Dr.; Belusko, Martin (Trans Tech Publications, 2013)
      This paper presents the experimental result of a small scale packed bed of random spheres with encapsulated PCM being charged and discharged. A vapor compression refrigerator and heated room with fan heater were used to ...
    • Exudates segmentation using inverse surface adaptive thresholding 

      Haniza, Yazid; Hamzah, Arof, Dr.; Hazlita, Mohd Isa, Dr. (Elsevier B.V., 2012-07)
      This paper presents a new approach to detect exudates and optic disc from color fundus images based on inverse surface thresholding. The strategy involves the applications of fuzzy c-means clustering, edge detection, otsu ...
    • Face recognition using eigenfaces and neural networks 

      Mohamed Rizon; Muhammad Firdaus, Hashim; Puteh, Saad; Sazali, Yaacob, Prof. Dr.; Mohd Rozailan, Mamat; Ali Yeon, Md Shakaff, Prof. Dr.; Abdul Rahman, Saad; Hazri, Desa, Dr.; Karthigayan, M. (Science Publications, 2006)
      In this study, we develop a computational model to identify the face of an unknown person’s by applying eigenfaces. The eigenfaces has been applied to extract the basic face of the human face images. The eigenfaces is ...
    • Fast background subtraction for real time monitoring 

      Sundaraj, Kenneth; Retnasamy, V. (International Association of Science and Technology for Development (IASTED)/ACTA Press, 2007)
      We present an implementation for fast detection of moving objects in real time monitoring applications. We apply a common technique known as background subtraction for this purpose. Background subtraction can be defined ...
    • Fast transient solution of a two-layered counter-flow microchannel heat sink 

      Beh, S. L.; Tio, K. -K.; Ghulam, Abdul Quadir; Seetharamu, K. N. (Emerald Group Publishing Limited., 2009)
      Purpose: The purpose of this paper is to apply asymptotic waveform evaluation (AWE) to the transient analysis of a two-layered counter-flow microchannel heat sink. Design/methodology/approach: A two-layered counter-flow ...
    • Fast transient thermal analysis of Fourier and non-Fourier heat conduction 

      Loh, J. S.; Abdul Azid, Ishak; Seetharamu, Kankanhally N.; Quadir, Ghulam Abdul (Elsevier Ltd., 2007-10)
      In this paper, asymptotic waveform evaluation (AWE) has been successfully used for fast transient characterization of Fourier and non-Fourier heat conduction. The Fourier and non-Fourier equations are reduced to a system ...
    • Fatigue crack initiation and growth of aluminum alloy with stress ratio effects 

      Haftirman, Idrus, Dr.; Afendi, M.; Wong, Chun Hoe (Trans Tech Publications, 2014)
      Fatigue crack initiation and growth of aluminum alloys with stress ratio were investigated due to it was widely used in aircraft production parts. Various types of aluminium alloy have been selected (6063-T6, 7075-T6, and ...
    • Fatigue failure analysis using the theory of critical distance 

      Ruslizam, Daud; Ahmad Kamal, Ariffin; Shahrum, Abdullah; A. Emran, Ismail (Trans Tech Publications, 2011)
      This paper explores the initial potential of theory of critical distance (TCD) which offers essential fatigue failure prediction in engineering components. The intention is to find the most appropriate TCD approach for a ...
    • Fine needle aspiration cytology evaluation for classifying breast cancer using artificial neural network 

      Nor Ashidi, Mat Isa; Esugasini, Subramaniam; Mohd Yusoff, Mashor; Nor Hayati, Othman (Science Publications, 2007)
      Thirteen cytology of fine needle aspiration image (i.e. cellularity, background information, cohesiveness, significant stromal component, clump thickness, nuclear membrane, bare nuclei, normal nuclei, mitosis, nucleus ...
    • Flow behavior characteristic for injection process using nano-yttria stabilized zirconia for micro metal injection molding (μMIM) 

      Farhana, Mohd Foudzi; Norharmidi, Muhamad; Abu Bakar, Sulong; Hafizawati, Zakaria (Trans Tech Publications, 2011)
      Micro metal injection molding (μMIM) prior to conventional plastic injection molding (PIM) has become widely demanding due to its smaller size, more complex geometric surface and time consuming on its product. Metal and ...
    • Frequency band analysis of electrocardiogram (ECG) signals for human emotional state classification using discrete wavelet transform (DWT) 

      Murugappan, Muthusamy, Dr.; Murugappan, Subbulakshmi; Bong, Siao Zheng (Society of Physical Therapy Science, 2013-06)
      [Purpose] Intelligent emotion assessment systems have been highly successful in a variety of applications, such as e-learning, psychology, and psycho-physiology. This study aimed to assess five different human emotions ...
    • Frequency study of facial electromyography signals with respect to emotion recognition 

      Selvaraj, Jerritta; Murugappan, Muthusamy, Dr.; Wan Khairunizam, Wan Ahmad, Dr.; Sazali, Yaacob, Prof. Dr. (Walter de Gruyter GmbH, 2014-01)
      Emotional intelligence is one of the key research areas in human-computer interaction. This paper reports the development of an emotion recognition system using facial electromyogram (EMG) signals focusing the ambiguity ...
    • The front-end hardware design issue in ultrasonic tomography 

      Mohd. Hafiz, Fazalul Rahiman; Rahim, R. A.; Mohd Nasir, Ayob (IEEE, 2010-07)
      This paper explains the front-end hardware design for ultrasonic tomography. The ultrasonic tomography system presented in this paper uses a noninvasive sensing technique with transmission-mode approach for investigating ...
    • Fuzzy based classification of EEG mental tasks for a brain machine interface 

      Hema, Chengalvarayan Radhakrishnamurthy; Paulraj, Murugesapandian; Ramachandran, Nagarajan; Sazali, Yaacob; Abdul Hamid, Adom (Institute of Electrical and Electronics Engineers (IEEE), 2007-11-28)
      Patients with neurodegenerative diseases loose all motor movements including impairment of speech, leaving the patients totally locked-in. One possible option for rehabilitation of such patients is using a brain machine ...
    • Fuzzy clustering for genetic algorithm based optimized ellipse data in classifying face emotion 

      Muthukaruppan, Karthigayan; Mohd Rizon, Mohamed Juhari; Sazali, Yaacob; Ramachandran, Nagarajan; Masanori, Sugisaka; Mohd Rozailan, Mamat (Institute of Electrical and Electronics Engineering (IEEE), 2007-10)
      In this paper, lip and eye features are applied to classify the human emotion using a set of irregular and regular ellipse fitting equations using genetic algorithm (GA). A South East Asian face is considered in this study. ...
    • Fuzzy linear programming: A modern tool for decision making 

      Pandian, M. Vasant; Nagarajan, R.; Sazali, Yaacob, Prof. Dr. (Penerbit UTM Press, 2002-12)
      The modern trend in industrial application problem deserves modeling of all relevant vague or fuzzy information involved in a real decision making problem. In the first part of the paper, some explanations on tri partite ...