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Loon Ching Tang
TANG Loon Ching, Professor and Head of ISE Department of the National University of Singapore, obtained his BEng (1st class honours) in Mechanical Engineering, MEng in Industrial Engineering, both from NUS , and MSc and Ph.D degrees from Cornell University in the field of Operations Research with minors in Statistics. He has published more than 90 papers in renowned international journals of which a number of awards have been presented. Recently, he has been awarded the IIE Transactions 2010 Best Application Paper Award and the prestigious Ralph A. Evans/P.K. McElroy Awards for the best paper in 2011 Reliability and Maintainability Symposium. He is on the Editorial Board of the flagship journal of the ASQ, Journal of Quality Technology. Prof Tang is the main author of the book: Six Sigma: Advanced Tools for Black Belts and Master Black Belts (published by John Wiley and won the Inaugural Masing Book Prize from the International Academy for Quality); co-author of Markov-Modulated Processes and Semiregenerative phenomena and co-editor of Advances in Maritime Logistics and Supply Chain Systems (both published by World Scientific Publishing). Besides being active in the forefront of ISE research, Prof Tang has also been consulted by many companies including MNCs in this region and Statutory Boards in Singapore . Dr Tang has provided training to more than 2000 engineers and managers as Six Sigma Black Belts and Master Black Belts from Singapore , Malaysia , Thailand , China , USA , Indonesia in the areas of Design for Six Sigma, Operations Research and Reliability Engineering.
Accelerated Testing in Product Development (加速试验在产品开发中的运用)
Loon Ching Tang
TANG Loon Ching, Professor and Head of ISE Department of the National University of Singapore, obtained his BEng (1st class honours) in Mechanical Engineering, MEng in Industrial Engineering, both from NUS , and MSc and Ph.D degrees from Cornell University in the field of Operations Research with minors in Statistics. He has published more than 90 papers in renowned international journals of which...read more
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In product development, some form of reliability testing is used for design release and/or comparing design alternatives. In view of limited lead time and high reliability requirement, these tests are accelerated by testing products at higher stresses or harsher environmental conditions involving higher temperature, voltages and humidity so as to increase the susceptibility of failure. The typical challenge for engineers is to figure out how to design such tests; i.e. the test condition, sample size, etc, so that the results can lead to meaningful analysis, statistically and technically, from which follow-up actions result in reliability improvement. Here, we present a general roadmap in developing an appropriate test plan for new products development and/or design modifications. The roadmap is discussed in the context of 3 real life examples involving miniature hard disk, a systems iron and split unit air-conditioners.
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