Browsing School of Mechatronic Engineering (Articles) by Title

Now showing items 92-111 of 322

    • Diagnosis of voices disorders using MEL scaled WPT and functional link neural network 

      Paulraj, Muregesa Pandiyan, Prof. Madya Dr.; Sazali, Yaacob, Prof. Dr.; Hariharan, Muthusamy (Biomedical Fuzzy Systems Association (BMFSA), 2008-03-31)
      Nowadays voice disorders are increasing dramatically due to the modern way of life. Most of the voice disorders cause changes in the voice signal. Acoustic analysis on the speech signal could be a useful tool for ...

    • Dielectric measurement techniques of biological tissue: A review on electrodes perspective 

      Ruzairi, Abdul Rahim, Prof. Dr.; Zulkarnay, Zakaria; Maliki, Ibrahim; Muhammad Saiful Badri, Mansor; Siti Zarina, Mohd. Muji, Dr.; Nor Muzakkir, Nor Ayub (International Frequency Sensor Association Publishing (IFSA), 2012-02)
      The aim of this paper is to review the techniques that have been developed in biological tissue dielectric measurement. This manuscript may give a clear picture on the history, development of the technology and also the ...

    • Differentiate Characteristic EEG Tobacco Smoking and Nonsmoking 

      Lim Chee, Chin; Asmiedah, Muhamad Zazid; Chong Yen, Fook; Vikneswaran, Vijean; Saidatul Ardeenawatie, Awang; Marwan, Affandi; Lim Sin, Che (IOP Publishing, 2019)
      Electroencephalogram (EEG) signal is non-stationary signal that have low frequency component and amplitude compared to stationary signal. Therefore, present of unwanted substance (nicotine) in Tobacco smoking will alter ...

    • A disposable sensor for assessing artocarpus heterophyllus l. (jackfruit) maturity 

      Yap, Maxsim Mee Sim; Mohd Noor, Ahmad, Prof. Dr.; Ali Yeon, Md Shakaff, Prof. Dr.; Chang, Pek Ju; Chang, Chew Cheen (MDPI, 2003)
      The purpose of this work was an attempt to monitor the ripeness process and to investigate the different maturity stages of jackfruit by chemometric treatment of the data obtained from the disposable sensor. Response of ...

    • Dynamic characterization of flexible vibrating structures using Adaptive Neuro-fuzzy Inference System (ANFIS) 

      Ismail, A. Y.; Ismail, R.; Mat Darus, I. Z (Institute of Electrical and Electronics Engineering (IEEE), 2006)
      Flexible plate structures have broad applications, ranging from industrial area to space technology. The demand for thin, flexible plate structure has rapidly increased due to industrial evolutions. However, this type of ...

    • Edge detection algorithm for enhancement of linear back projection tomographic images 

      Muhammad Jaysuman, Pusppanathan; Mahdi Faramarzi; Fazlul Rahman, Mohd Yunus; Nor Muzakkir, Nor Ayob; Ruzairi, Abdul Rahim, Prof. Dr.; Fatin Aliah, Phang Abdullah, Dr.; Usman Ullah, Sheikh, Dr.; Loew,  Pei Ling, Dr.; Khairul Hamimah, Abas; Mohd Hafiz, Fazalul Rahiman, Dr.; Shafishuhaza, Sahlan (Penerbit UTM Press, 2014)
      Process tomography (PT) is a leading technique for multiphase flow measurement and flow monitoring systems in various fields. PT has the advantage of interpreting acquired measurement data and transforming it into visual ...

    • EEG based detection of conductive and sensorineural hearing loss using artificial neural networks 

      Pandiyan, Paulraj Murugesa , Prof. Dr.; Subramaniam, Kamalraj; Sazali, Yaacob, Prof. Dr.; Abdul Hamid, Adom, Prof. Dr.; Hema, C. R. (Advanced Institute of Convergence IT, 2013-05)
      In this paper, a simple method has been proposed to distinguish the normal and abnormal hearing subjects (conductive or sensorineural hearing loss) using acoustically stimulated EEG signals. Auditory Evoked Potential (AEP) ...

    • EEG classification using radial basis PSO neural network for brain machine interfaces 

      Paulraj, Murugesapandian; Hema, Chengalvarayan Radhakrishnamurthy; Ramachandran, Nagarajan; Sazali, Yaacob; Abdul Hamid, Adom (Institute of Electrical and Electronics Engineering (IEEE), 2007-12)
      Brain Machine Interfaces use the cognitive abilities of patients with neuromuscular disorders to restore communication and motor functions. At present, only EEG and related methods, which have relatively short time constants, ...

    • EEG signal classification using Particle Swarm Optimization (PSO) neural network for brain machine interfaces 

      Paulraj, Murugesapandian; Hema, Chengalvarayan Radhakrishnamurthy; Ramachandran, Nagarajan; Sazali, Yaacob; Abdul Hamid, Adom (Association for the Advancement of Modelling & Simulation Techniques in Enterprises (A.M.S.E.), 2008)
      The brain uses the neuromuscular channels to communicate and control its external environment, however many disorders can disrupt these channels. Amyotrophic lateral sclerosis is one such disorder which impairs the neural ...

    • Effect of blockage size on pipe vibration 

      Nur Liyana, Tajul Lile; Rakhmad Arief, Siregar; M.J., Hasnul; J.C., Leong (Scientific.Net, 2012-12)
      Circular pipes are widely used to convey goods to a desired location. Flow inside a pipe needs to be smoothed and unobstructed to ensure an optimize flow of particle. However, pipes are prone to clogging or blocking due ...

    • Effect of roughness of hypo-and hyper-eutectic Al-Si piston alloy on wear characteristics under lubrication 

      Riyadh A., Al-Samarai; Haftirman, Dr.; Khairel Rafezi, Ahmad, Dr.; Yarub, Al-Douri, Assoc. Prof. Dr. (Elsevier B.V., 2013)
      The tribological behavior of tow Al-Si alloys under the influence of surface roughness average was investigated for the present study. The silicon content of these alloys ranged 10 and 16-wt% Si, and includes hypoeutectic ...

    • Effect of sintering time on the properties of LaYO3 doped with ZrO2 solid electrolyte 

      Salmie Suhana, Che Abdullah          ; Nur Hazwani, Samsudin; Najwa Shafiqa, Anwar; Imaduddin Helmi, Wan Nordin (Trans Tech Publications, 2013)
      LaYO3 doped-ZrO2ceramic with the composition La0.95Zr0.05YO3+δ was prepared via the solid state reaction. The samples were sintered at 1450 °C and sintering times in range of 6-15 hours have been varied for both doped and ...

    • Effect of surface roughness of pure aluminium A1100 on the cold work extrusion by using different angles of taper die 

      Mohd Ridzuan, Mohd Jamir; Mohd Hafis, Sulaiman; Azduwin, Khasri; Alina Rahayu, Mohamed; N. Fitriah, Suhaimi; Mohd Shahril, Shariff (Trans Tech Publications, 2014-01)
      The study presented in this paper is focused on the effect of surfaces roughness of pure aluminium A1100 on the cold work extrusion process by three different angles of taper die. Different angles of taper die will affect ...

    • The effect of surfactant extraction method on pore characteristics of mesoporous carbonated hydroxyapatite 

      Nur Farahiyah, Mohammad; Radzali, Othman; Yeoh, Fei Yee (Trans Tech Publications, 2014)
      Incorporated with pore sizes of 2-50 nm, CHA was found to be a promising drug delivery agent for disease treatment and could be a carrier for different types of proteins. A desired drug delivery system should consist of ...

    • Effectiveness–NTU correlation for low temperature PCM encapsulated in spheres 

      Nasrul Amri, Mohd Amin; Bruno, Frank, Dr.; Belusko, Martin (Elsevier Ltd., 2012-05)
      The applicability of the effectiveness–NTU method for characterising a PCM thermal energy storage system was experimentally investigated. The system consisted of PCM encapsulated in spheres with a liquid heat transfer ...

    • The effects of varying target hardness on ricochet angle 

      Mohd Shukry, Abdul Majid; Birch, Robert S.; Jais, M. I. (American Institute of Physics, 2007-05-09)
      This project is a study on ricochet characteristics off wooden targets when fired upon by 22 calibre bolt action rifle. A series of experimental testing has been carried out on three different woods chosen to give range ...

    • Effects of winding angles in biaxial ultimate elastic wall stress (UEWS) tests of glass gibre reinforced epoxy (GRE) composite pipes 

      Mohd Shukry, Abdul Majid, Dr.; Mohd Afendi, Rojan, Dr.; Ruslizam, Daud, Dr.; Gibson, A. G.; M., Hekman (Trans Tech Publications, 2013)
      This paper presents an experimental investigation into the influence of winding angles in multiaxial ultimate elastic wall stress (UEWS) tests of glass-fibre reinforced epoxy (GRE) composite pipes. Currently, UEWS test is ...

    • Electrical resistance tomography: a review of the application of conducting vessel walls 

      Suzanna, Ridzuan Aw; Ruzairi, Abdul Rahim; Mohd Hafiz, Fazalul Rahiman; Fazlul Rahman, Mohd Yunus; Goh, Chiew Loon (Elsevier, 2014-03)
      Despite decades of research, the study on tomography continues to be a subject of great scientific interest. Amongst all the kinds of tomography available, electrical resistance tomography (ERT) has been chosen as the field ...

    • Electrocardiogram-based emotion recognition system using empirical mode decomposition and discrete fourier transform 

      Jerritta, S.; Murugappan, Muthusamy, Dr.; Wan Khairunizam, Wan Ahmad, Dr.; Sazali, Yaacob, Prof. Dr. (John Wiley & Sons, Inc., 2014)
      Emotion recognition using physiological signals has gained momentum in the field of human computer–interaction. This work focuses on developing a user-independent emotion recognition system that would classify five emotions ...

    • Electromyographic responses during elbow movement at two angles with voluntary contraction: Influences of muscle activity on upper arm Biceps Brachii 

      Nizam Uddin, Ahamed; Sundaraj, Kenneth, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Matiur, Rahman; Asraf, Ali; Anamul, Islam (Maxwell Scientific Organization, 2012-11-15)
      Analysis of Electromyography (EMG) signals generated by individuals is part of human musculoskeletal system research and signals are always influenced by the electrode placement in the muscle. This characteristic is also ...