Student Conference on Research and Development

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Improvements in design of local fluorescent electronics ballasts in compliance with the related local and international standards
Student Conference on Research and Development - - Trang 274-277
I.Z. binYaacob, P. Eng
The study is undertaken to improve the design of existing locally manufactured electronic ballasts. The study indicated that many of these commercial electronic ballasts do not have or have either partially or minimum compliance requirements to the related local and international standards, namely MS EEC 928, MS IEC 929 and EMC requirements as required by SIRIM Berhad. From the study made on the 1...... hiện toàn bộ
#Fluorescence #Electronic ballasts #Manufacturing #Electronic equipment testing #IEC standards #Electromagnetic compatibility #Surges #Reactive power #Temperature #Power system harmonics
Virtual environment navigation using an image-based approach
Student Conference on Research and Development - - Trang 364-367
Z. Othman, A.R. Yaakub, A.N. Zulkifli
This paper investigates and illustrates the potential of using panorama virtual reality to enhance Web-based library instruction. The project considers that panorama virtual reality (VR) could be a powerful tool when comparing a conventional tour and virtual tour. A VR tour as a whole can became a more useful medium that allows navigating, viewing, reading, hearing and remote access. This paper de...... hiện toàn bộ
#Virtual environment #Navigation #Virtual reality #Libraries #Rendering (computer graphics) #Layout #Visualization #Virtual prototyping #Auditory system #Application software
Network performance analysis on bandwidth utilizations and protocol distributions
Student Conference on Research and Development - - Trang 407-409
N. bin Ismail, M.D. bin Baba, M.I. bin Mohd Yusoff
Many network administrators or providers are hesitant or not ready to offer the users the information of current bandwidth utilization on their Internet connection or other connection. There are many justifiable and unjustifiable reasons for this. We believe in opening up the communication between the users and ourselves and also believe in honestly and accurately portraying the services we are re...... hiện toàn bộ
#Performance analysis #Bandwidth #Protocols #Delay #Local area networks #Bit rate #Wide area networks #Telecommunication traffic #Radio frequency #Research and development
Processing the signals from an optical fibre pH sensor by using an artificial neural network
Student Conference on Research and Development - - Trang 340-343
F.B.M. Suah, M.N. Taib, M. Ahmad
The optimisation of response range of an optical fibre pH sensor based on immobilized bromophenol blue (BPB) in silicone rubber membrane has been studied by using an artificial neural network (ANN). The absorbance spectra of the immobilized BPB were scanned out by using an optical fibre spectrophotometer at different pH values. The-absorbance data were used as an input data for the ANN training. A...... hiện toàn bộ
#Signal processing #Optical fibers #Optical fiber sensors #Artificial neural networks #Chemical sensors #Biomembranes #Rubber #Neurons #Chemical technology #Food technology
Utilising object oriented approach in a knowledge based system development for an engineering design
Student Conference on Research and Development - - Trang 460-463
M. Samad, F. Yusuf
The object oriented concept portrays the element of interest as objects. It defines the properties and behaviour associated with the objects. The object-oriented paradigm thus enables objects to be regarded as independent entities where control of the system can be obtained by direct communication between objects. This paper presents the application of object oriented principles to the development...... hiện toàn bộ
#Knowledge based systems #Design engineering #Knowledge engineering #Internet #Computer aided manufacturing #Maintenance engineering #Systems engineering and theory #Software prototyping #Prototypes #Data engineering
Simulation and analysis of power converter harmonics
Student Conference on Research and Development - - Trang 213-216
S.A. Talib, S.M. Bashi, N.F. Mailah
The applications of large power electronic converter results in generation of low (LF) and high (HF) frequencies harmonics in the power system. The adverse effects of harmonics are widespread. In this paper, harmonic analysis was carried out on 3-phase fully controlled thyristor bridge. Methods of harmonic reduction have been used. It has been found that, the 12-pulse method is suitable in reducti...... hiện toàn bộ
#Analytical models #Harmonic analysis #Power conversion harmonics #Power harmonic filters #Power system harmonics #Power system simulation #Power generation #Bridges #Power electronics #Hafnium
Performance of TCP on Mobile IP network during handoffs
Student Conference on Research and Development - - Trang 390-393
Y. Mohamed, N. Fisal, A. Mohd
Mobile IP solves the primary problem of routing IP packets to mobile nodes. However due to the host motion, some segments may be dropped or lost during handoff. We analyze the effects of the retransmission timeout (RTO) on the TCP performance and propose a new timeout algorithm to reduce long pauses in communication. The new timeout algorithm, fixed RTO (FxRTO) has been written at the transport la...... hiện toàn bộ
#TCPIP #IP networks #Jacobian matrices #Home automation #Routing #Delay estimation #Performance analysis #Algorithm design and analysis #Mobile communication #Transport protocols
Image processing application in seismic reflection to evaluate geohazard region
Student Conference on Research and Development - - Trang 378-381
H.M.A. Al-Mattarneh, H.A. Hamid, K. Kamaruddin, S.K. Shariah, M.I.A. Shariah
GeoJava is GUI (graphical user interface) software that is powerful, yet very simple to use, providing the means to filter color images in RGB (red-green-blue) color space and YUV color space, to produce high quality filtered images. The YUV color space model has been proved to filter images smoothly without losing any data, only enhancing image structure. Different images were used, and satisfact...... hiện toàn bộ
#Image processing #Reflection #Filters #Graphical user interfaces #Application software #Software quality #Color #Stacking #Geometry #Stress
A LabVIEW based data acquisition system for vibration monitoring and analysis
Student Conference on Research and Development - - Trang 62-65
A. Gani, M.J.E. Salami
LabVIEW (Laboratory Virtual Instrument Engineering Workbench) is gaining popularity as a graphical programming language, especially for data acquisition and measurement. This is due to the vast array of data acquisition cards and measurement systems which can be supported by LabVIEW as well as the relative ease with which advanced software can be programmed. One area of application of LabVIEW is t...... hiện toàn bộ
#Data acquisition #Monitoring #Signal analysis #Laboratories #Instruments #Data engineering #Computer languages #Gain measurement #Software measurement #Application software
Đo lường và phân tích độ mạnh tín hiệu cho Celcom GSM [019] và Maxis [012] tại khuôn viên UiTM Shah Alam Dịch bởi AI
Student Conference on Research and Development - - Trang 489-493
N.A.B. Mattar, M.R.B.A. Razak, Z.B.H. Murat, N.B. Khadri, H.N.B.H.M. Rani
Nghiên cứu này nhằm mục đích đo lường và phân tích độ mạnh tín hiệu cho Celcom GSM [019] và Maxis [012] tại khuôn viên UiTM Shah Alam. Việc đo lường và thu thập dữ liệu độ mạnh tín hiệu được thực hiện bằng thiết bị điều tra TEMS do Celcom (M) Sdn. Bhd, Kelana Jaya và Maxis cung cấp. TEMS là công cụ được sử dụng để thiết lập và duy trì mạng di động. Nó đo độ mạnh tín hiệu nhận được từ 'trạm phát só...... hiện toàn bộ
#Signal analysis #GSM #Mobile handsets #Receiving antennas #Transmitting antennas #Frequency #Transceivers #Global Positioning System #Telephony #Signal processing
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