Now showing items 3470-3489 of 3514

    • Warpage analyses on thin plate in three-plate mold by Taguchi method and analysis of variance (ANOVA) for PC, ABS and PC/ABS 

      Shayfull Zamree, Abd Rahim; Mohd. Fathullah, Ghazli @ Ghazali; Mohd. Nasir, Mat Saad; Norshah Afizi, Shuaib; Muhamad Saifuldin, Abdul Manan, Dr. (Praise Worthy Prize S.r.l., 2012)
      Warpage is a common issue in plastic injection molding process. It can get worse for thin parts and therefore it is more challenging for product design engineers, mold designers and manufacturing engineer to cope with ...
    • Warpage analysis between straight and conformal cooling channels on thin shallow shell 

      Norshah Afizi, Shuaib; Mohd Fathullah, Ghazli@Ghazali; Shayfull Zamree, Abd. Rahim; Mohd Nasir, Mat Saad; Mohd Fidzwan, Md Amin Hamzas (Trans Tech Publications, 2014)
      Warpage is a type mold defect due to non-uniform temperature variation which causes differential shrinkage rate on the moulded parts. An accurate warpage prediction is so important in helping mould designers to achieve ...
    • Warpage analysis with straight drilled and conformal cooling channels on front panel housing by using taguchi method 

      Shayfull Zamree, Abd Rahim; Safian, Sharif, Prof. Dr.; Azlan, Mohd Zain, Dr.; Rozaimi, Mohd Saad; Ahmad Fairuz, Mansor (Trans Tech Publications, 2014)
      The challenging in injection molding process is to get the uniform thermal distribution on the molded parts during the cooling stage which is mainly depend on the design of the cooling channels in injection mold. Poor ...
    • Warpage Optimisation on the Moulded Part using Response Surface Methodology (RSM) and Glowworm Swarm Optimisation (GSO) 

      Mohd Hazwan, Mohd Hanid‬; Shayfull Zamree, Abd Rahim; S., Sharif; S. M., Nasir; M. M., Rashidi (EDP Sciences, 2017)
      Nowadays, there are various of optimisation methods that have been explored by many researchers to find the appropriate processing parameters setting for the injection moulding process. From the previous researches, it was ...
    • Warpage Optimisation on the Moulded Part with Conformal Cooling Channels using Response Surface Methodology (RSM) and Glowworm Swarm Optimisation (GSO) 

      Mohd Hazwan, Mohd Hanid‬; Shayfull Zamree, Abd Rahim; S., Sharif; S. M., Nasir; M. M., Rashidi (EDP Sciences, 2017)
      Today, there are many of optimisation method have been explored by previous researchers to find the appropriate processing parameters setting for the injection moulding process. From the previous researches, it has been ...
    • Warpage optimisation using Recycled Polycar-bonates (PC) on Front Panel Housing 

      Nur Aisyah Miza, Ahmad Tamizi; Abdellah El-hadj, Abdellah; Mohd Mustafa Al Bakri, Abdullah; Nabiałek, Marcin; J. Wysłocki, Jerzy; Jeż, Bartłomiej; Palutkiewicz, Paweł; Rozyanty, Abdul Rahman; Mohd Nasir, Mat Saad; Mohd Fathullah, Ghazli (MDPI AG, 2021-03-15)
      Many studies have been done using recycled waste materials to minimise environmental problems. It is a great opportunity to explore mechanical recycling and the use of recycled and virgin blend as a material to produce new ...
    • Warpage optimization on ultra thin plate in three plate mold for PP, ABS & ABS+PC materials by using Taguchi method 

      Mohd. Nasir, Mat Saad; Norshah Afizi, Shuaib; Shayfull Zamree, Abd. Rahim; Mohd. Fathullah, Ghazli @ Ghazali; Nooraizedfiza, Zainon (Praise Worthy Prize S.r.l., 2012-03)
      The parameters setting of process conditions in injection molding process is very importance to ensure the quality of molded components is controlled by minimizing of any defects such as warpage. Various injection parameters ...
    • Water quality study of Timah Tasoh Lake in Perlis, Malaysia 

      Ain Nihla, Kamarudzaman; Voon Kim, Feng; Mohd Faizal, Ab Jalil; Roslaili, Abdul Aziz (Trans Tech Publications Ltd., 2014)
      Timah Tasoh Lake is surrounded by various types of land use activities ranging from industrial, agricultural and quarrying activities. These activities will affect the water quality and a threat to the ecosystem of the ...
    • Water status detection by free-dipping method using chitosan based sensor 

      Tulus Ikhsan, Nasution; Irwana, Nainggolan, Dr.; M. N., Nasruddin; Maizal, Isnen; Oki, Handinata (American-Eurasian Network for Scientific Information (AENSI), 2010-10)
      A film sensor based on chitosan that is capable to evidence the different water status has been successfully fabricated by an electrochemical deposition technique. Main objective of this study is to utilize the chitosan ...
    • Waveform design for improved range and Doppler resolution in radar 

      Farid, Ghani, Prof. Dr.; Mohd Alif Hasmani, Abd Ghani; Siti Julia, Rosli; R. Badlishah, Ahmad, Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-02)
      The choice of a suitable transmit waveform is an important problem in radar design. This is so because the waveform controls resolution and clutter performance and also bears heavily on the system cost. Theoretical studies ...
    • Wavelet based approach for the investigation of vision impairments using single trial VEPs 

      Vijean, Vikneswaran; Hariharan, Muthusamy, Dr.; Sazali, Yaacob, Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-03-23)
      Visually evoked potential (VEP) is being widely used for the investigation of vision abnormalities. The signals are recorded using non-invasive EEG electrodes from the Occipital Cortex while a subject is presented with a ...
    • Wavelet based distortion measurement and enhancement of ECG signal 

      Md. Abdul, Awal; Mohiuddin, Ahmad, Prof. Dr. Engr.; Ismail, Daut, Prof. Dr.; Ernie, Che Mid; Mohd. Abdur, Rashid, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      This paper describes the research carried out to eliminate the noise found in ECG signal and cardiac rhythm using Coiflet wavelet since its scaling function is closely related to the shape of ECG and suited for denoising ...
    • Wavelet packet transform based driver distraction level classification using EEG 

      Wali, Mousa Kadhim; Murugappan, M., Dr.; R. Badlishah, Ahmad, Prof. Dr. (Mathematical Problems in Engineering, 2013)
      We classify the driver distraction level (neutral, low, medium, and high) based on different wavelets and classifiers using wireless electroencephalogram (EEG) signals. 50 subjects were used for data collection using 14 ...
    • Wearable dual-band Sierpinski fractal PIFA using conductive fabric 

      Soh, Ping Jack; Vandenbosch, G. A. E.; Ooi, S. L.; Husna, M. R. N. (Institute of Electrical and Electronics Engineers (IEEE), 2011-03-17)
      A novel planar inverted-F antenna (PIFA), incorporating a triangular Sierpinski gasket, is presented. The used conducting textile and polyester fleece allow easy on-body integration and simple practical fabrication. It ...
    • Wearout reliability and intermetallic compound diffusion kinetics of Au and PdCu wires used in nanoscale device packaging 

      Chong, Leong Gan; E., K. Ng; Bak, Lee Chan; Classe, Francis; Kwuanjai, T.; Uda, Hashim, Prof. Dr. (Hindawi Publishing Corporation, 2013)
      Wearout reliability and diffusion kinetics of Au and Pd-coated Cu (PdCu) ball bonds are useful technical information for Cu wire deployment in nanoscale semiconductor device packaging. This paper discusses the HAST (with ...
    • Web-based portable network traffic monitoring system based on embedded linux and SBC 

      Md. Mostafijur, Rahman; Zahereel Ishwar, Abdul Khalib; R. Badlishah, Ahmad, Prof. Madya Dr.; Salina, Mohd Asi (Institute of Electrical and Electronics Engineering (IEEE), 2009-04-03)
      This paper describes the design and implementation of a web-based portable network traffic monitoring system (PNtMS) on an embedded linux platform, based on single board computer (SBC). The functionality of the monitoring ...
    • Web-based wireless data acquisition system using 32bit single board computer 

      R. Badlishah, Ahmad; Wan Muhamad Azmi, Mamat; Mohamad Rizon, Mohamed Juhari; Shuhaizar, Daud; Arshad, N.W. (Institute of Electrical and Electronics Engineering (IEEE), 2008)
      The design and architecture of a web-based wireless data acquisition system are presented. This system provides a web interface for remote monitoring of sensors deployed which connected using wireless technology. The design ...
    • Weibull and hargreaves methods to determine the wind and solar energy - Case study 

      Noor Syafawati, Ahmad; Ismail, Daut, Prof. Dr.; Muhammad Irwanto, Misrun; Saidatul Shema, Saad; Farah Farhana, Zainal; Nurul Razliana, Abd Razak; Shatri, C.; Arizadayana, Zahalan (Trans Tech Publications, 2012)
      This paper presents a case study of Weibull and Hargreaves methods used to determine the wind speed characteristic and solar radiation pattern in Perlis the northern part of Peninsular Malaysia. These two methods are then ...
    • Wettability analysis on platinum deposited wafer after reactive ion ecthing using SF6+argon/CF4+argon gaseous 

      Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Aaron, Koay Terr Yeow; Goh, Siew Chui; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      Wettability in microfluidic has direct influence to its fluid flow channels. This paper investigates the variable parameters that affect the wetability in terms of contact angle on a Platinum deposited wafer after reactive ...
    • Wettability and interfacial phenomena investigations on high-density polyethylene and petroleum coke 

      Sharifah Shahnaz, Syed Abu Bakar, Dr.; Khanna, Rita, Assoc. Prof.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Sahajwalla, Veena, Scientia Prof. (Wiley Periodicals, Inc., 2012-08)
      An in-depth wettability and interfacial phenomena investigation was carried out to study interactions between high density polyethylene (HDPE) and petroleum coke. The aim is to investigate the effect of temperature and ...