Compound Noise - MIT Department of Mechanical Engineering

398 J. SINGH ET AL.
where X Compound is the setting of x i terms that minimize the estimated variance. For compound noise to be
completely effective X = X Compound .
Authors’ biographies
Jagmeet Singh received a PhD degree from the Department of Mechanical Engineering at MIT. He received a
SM degree in Mechanical Engineering from MIT in 2003 and a BTech degree in Mechanical Engineering from
the Indian Institute of Technology, Kanpur, India. He worked on this paper as part of his research towards his
PhD. His areas of expertise include assembly architecture, datum flow chains and noise strategies in large-scale
systems.
Daniel D. Frey is an assistant professor of the Mechanical Engineering and Engineering Systems Division
at MIT. He conducts research on system design methods including robust design, design of experiments,
probability, manufacturing and computational geometry. The overarching goal of his research is to identify
principles and practices that improve the process of engineering design. He teaches a range of courses related
to system design. He is member of ASME, ASEE, AIAA and ASA.
Nathan Soderborg is a Design for Six Sigma Master Black Belt in the Ford Motor Company’s North American
Product Development organization. He coaches product development teams in mathematical modeling and the
application of statistical engineering and robust design methods to improve product quality. He is a member of
the MAA, senior member of ASQ and ASQ Certified Reliability Engineer (CRE) and Six Sigma Black Belt
(CSSBB).
Rajesh Jugulum is a Researcher at MIT and a Vice President in the global wealth and investment management
group of Bank of America. He earned his Doctorate degree under the guidance of Dr. Genichi Taguchi. He
has published several articles in leading technical journals and magazines. He co-authored a book on pattern
information technology and a book on computer-based robust engineering. He is a senior member of the ASQ
and the Japanese Quality Engineering Society and a Fellow of the Royal Statistical Society and International
Technology Institute.
Copyright c○ 2006 John Wiley & Sons, Ltd. Qual. Reliab. Engng. Int. 2007; 23:387–398
DOI: 10.1002/qre