Genichi Taguchi: Difference between revisions
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On completing his doctorate at [[Kyushu University]] in 1962,<ref name="ieee95">{{cite journal |last=Taguchi |first=Genichi |title=Quality engineering (Taguchi methods) for the development of electronic circuit technology |journal=IEEE Transactions on Reliability |publisher=IEEE Reliability Society |volume=44 |issue=2 |date=June 1995 |pages=225?229 |issn=0018-9529 |url=http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?tp=&arnumber=387375&isnumber=8781 |doi=10.1109/24.387375}}</ref><ref>{{Cite book|title=Studies on mathematical statistics for quality control|author=Gen'ichi TAGUCHI|publisher=Kushu University|date=March 1962|series=Doctoral thesis|url=http://iss.ndl.go.jp/books/R100000002-I000007814567-00}}</ref> he left ECL, though he maintained a consulting relationship. In the same year he visited [[Princeton University]] under the sponsorship of [[John Tukey]], who arranged a spell at [[Bell Labs]], his old ECL rivals. In 1964 he became professor of [[engineering]] at [[Aoyama Gakuin University]], [[Tokyo]].<ref name="jayaswal" /> In 1966 he began a collaboration with [[Yuin Wu]], who later emigrated to the [[United States|U.S.]] and, in 1980, invited Taguchi to lecture. During his visit there, Taguchi himself financed a return to [[Bell Labs]], where his initial teaching had made little enduring impact. This second visit began a collaboration with [[Madhav Phadke]] and a growing enthusiasm for his methodology in [[Bell Labs]] and elsewhere, including [[Ford Motor Company]], [[Boeing]], [[Xerox]] and [[ITT Corporation|ITT]].The list of Doctorate of Kyushu University has no name Genichi Taguchi. There might be eleven names of Taguchi, however we could find the name Genichi. |
On completing his doctorate at [[Kyushu University]] in 1962,<ref name="ieee95">{{cite journal |last=Taguchi |first=Genichi |title=Quality engineering (Taguchi methods) for the development of electronic circuit technology |journal=IEEE Transactions on Reliability |publisher=IEEE Reliability Society |volume=44 |issue=2 |date=June 1995 |pages=225?229 |issn=0018-9529 |url=http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?tp=&arnumber=387375&isnumber=8781 |doi=10.1109/24.387375}}</ref><ref>{{Cite book|title=Studies on mathematical statistics for quality control|author=Gen'ichi TAGUCHI|publisher=Kushu University|date=March 1962|series=Doctoral thesis|url=http://iss.ndl.go.jp/books/R100000002-I000007814567-00}}</ref> he left ECL, though he maintained a consulting relationship. In the same year he visited [[Princeton University]] under the sponsorship of [[John Tukey]], who arranged a spell at [[Bell Labs]], his old ECL rivals. In 1964 he became professor of [[engineering]] at [[Aoyama Gakuin University]], [[Tokyo]].<ref name="jayaswal" /> In 1966 he began a collaboration with [[Yuin Wu]], who later emigrated to the [[United States|U.S.]] and, in 1980, invited Taguchi to lecture. During his visit there, Taguchi himself financed a return to [[Bell Labs]], where his initial teaching had made little enduring impact. This second visit began a collaboration with [[Madhav Phadke]] and a growing enthusiasm for his methodology in [[Bell Labs]] and elsewhere, including [[Ford Motor Company]], [[Boeing]], [[Xerox]] and [[ITT Corporation|ITT]].The list of Doctorate of Kyushu University has no name Genichi Taguchi. There might be eleven names of Taguchi, however we could find the name Genichi. |
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Since 1982, Genichi Taguchi has been an advisor to the [[Japanese Standards Institute]] and executive director of the American Supplier Institute, an international consulting organisation.<ref>{{cite web |
Since 1982, Genichi Taguchi has been an advisor to the [[Japanese Standards Institute]] and executive director of the American Supplier Institute, an international consulting organisation.<ref>{{cite web|title=About ASI |url=http://www.amsup.com/about.htm |publisher=American Supplier Institute |accessdate=2009-04-22 |deadurl=yes |archiveurl=https://web.archive.org/web/20090402001648/http://www.amsup.com:80/about.htm |archivedate=2009-04-02 |df= }}</ref> His concepts pertaining to experimental design, the loss function, robust design, and the reduction of variation have influenced fields beyond product design and manufacturing, such as [[sales process engineering]].<ref name="Selden 1997">{{cite book |title=Sales Process Engineering: A Personal Workshop |last=Selden |first=Paul H. |publisher=ASQ Quality Press |location = Milwaukee, WI| year=1997 |pages=156?158, 169, 237}}</ref> |
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==Contributions== |
==Contributions== |
Revision as of 07:01, 9 January 2017
Genichi Taguchi | |
---|---|
Born | |
Died | June 2, 2012 Japan | (aged 88)
Citizenship | Japan |
Alma mater | Kiryu Technical College |
Known for | Taguchi methods |
Awards | Indigo Ribbon, Shewhart Medal Automotive Hall of Fame |
Scientific career | |
Fields | engineering, statistics |
Institutions | Aoyama Gakuin University |
Genichi Taguchi (田口 玄一, Taguchi Gen'ichi) (January 1, 1924 – June 2, 2012) was an engineer and statistician.[1] From the 1950s onwards, Taguchi developed a methodology for applying statistics to improve the quality of manufactured goods. Taguchi methods have been controversial among some conventional Western statisticians,[2][3] but others have accepted many of the concepts introduced by him as valid extensions to the body of knowledge.
Biography
Taguchi was born and raised in the textile town of Tokamachi, in Niigata prefecture. He initially studied textile engineering at Kiryu Technical College with the intention of entering the family kimono business.[4] However, with the escalation of World War II in 1942, he was drafted into the Astronomical Department of the Navigation Institute of the Imperial Japanese Navy.
After the war, in 1948 he joined the Ministry of Public Health and Welfare, where he came under the influence of eminent statistician Matosaburo Masuyama, who kindled his interest in the design of experiments. He also worked at the Institute of Statistical Mathematics during this time,[4] and supported experimental work on the production of penicillin at Morinaga Pharmaceuticals, a Morinaga Seika company.
In 1950, he joined the Electrical Communications Laboratory (ECL) of the Nippon Telegraph and Telephone Corporation just as statistical quality control was beginning to become popular in Japan,[4] under the influence of W. Edwards Deming and the Japanese Union of Scientists and Engineers. ECL was engaged in a rivalry with Bell Labs to develop cross bar and telephone switching systems, and Taguchi spent his twelve years there in developing methods for enhancing quality and reliability. Even at this point, he was beginning to consult widely in Japanese industry, with Toyota being an early adopter of his ideas.
During the 1950s, he collaborated widely and in 1954-1955 was visiting professor at the Indian Statistical Institute, where he worked with C. R. Rao, Ronald Fisher and Walter A. Shewhart.[5] While working at the SQC Unit of ISI, he was introduced to the orthogonal arrays invented by C. R. Rao - a topic which was to be instrumental in enabling him to develop the foundation blocks of what is now known as Taguchi methods.
On completing his doctorate at Kyushu University in 1962,[6][7] he left ECL, though he maintained a consulting relationship. In the same year he visited Princeton University under the sponsorship of John Tukey, who arranged a spell at Bell Labs, his old ECL rivals. In 1964 he became professor of engineering at Aoyama Gakuin University, Tokyo.[5] In 1966 he began a collaboration with Yuin Wu, who later emigrated to the U.S. and, in 1980, invited Taguchi to lecture. During his visit there, Taguchi himself financed a return to Bell Labs, where his initial teaching had made little enduring impact. This second visit began a collaboration with Madhav Phadke and a growing enthusiasm for his methodology in Bell Labs and elsewhere, including Ford Motor Company, Boeing, Xerox and ITT.The list of Doctorate of Kyushu University has no name Genichi Taguchi. There might be eleven names of Taguchi, however we could find the name Genichi.
Since 1982, Genichi Taguchi has been an advisor to the Japanese Standards Institute and executive director of the American Supplier Institute, an international consulting organisation.[8] His concepts pertaining to experimental design, the loss function, robust design, and the reduction of variation have influenced fields beyond product design and manufacturing, such as sales process engineering.[9]
Contributions
Taguchi has made a very influential contribution to industrial statistics. Key elements of his quality philosophy include the following:
- Taguchi loss function, used to measure financial loss to society resulting from poor quality;
- The philosophy of off-line quality control, designing products and processes so that they are insensitive ("robust") to parameters outside the design engineer's control; and
- Innovations in the statistical design of experiments, notably the use of an outer array for factors that are uncontrollable in real life, but are systematically varied in the experiment.
Honours
- 1986 - Willard F. Rockwell Medal of the International Technology Institute
- 1989 - Indigo Ribbon from the Emperor of Japan
- 1990 - Honoured as a Quality Guru by the British Department of Trade and Industry
- 1995 - Honorary member of the Japanese Society of Quality Control
- 1997 - Automotive Hall of Fame Inductee
- 1998 - Honorary member of the American Society for Quality[4]
- 1998 - Honorary member of the American Society of Mechanical Engineers
- 1999 - Honorary president of the Robust Quality Engineering Society (Japan)
Book
- Genichi Taguchi (August 1992). Taguchi on Robust Technology Development: Bringing Quality Engineering Upstream. ASME Press. ISBN 978-0791800287.
- Genichi Taguchi; Subir Chowdhury; Shin Taguchi (October 1999). Robust Engineering: Learn How to Boost Quality while Reducing Costs & Time to Market. McGraw-Hill Professional. ISBN 978-0071347822.
- Genichi Taguchi; Subir Chowdhury; Yuin Wu (August 2000). The Mahalanobis-Taguchi System. McGraw Hill Professional. ISBN 978-0071362634.
- Genichi Taguchi; Rajesh Jugulum (2002). The Mahalanobis-Taguchi Strategy : A Pattern Technology System. John Wiley & Sons. ISBN 978-0471023333.
- Genichi Taguchi; Rajesh Jugulum; Shin Taguchi (2004). Computer-Based Robust Engineering: Essential For DFSS. Amer Society for Quality. ISBN 978-0873896221.
- Genichi Taguchi; Subir Chowdhury; Yuin Wu (2005). Taguchi's Quality Engineering Handbook. John Wiley. ISBN 978-0471413349.
References
- ^ "ASI Mourns the Loss of Dr. Genichi Taguchi". Asiusa.com. 2012-03-28. Retrieved 2012-06-26.
- ^ Wadsworth, Harrison M. (1997). Handbook of statistical methods for engineers and scientists (2nd ed.). New York: McGraw-Hill Professional.
- ^ Smith, Gerald F. (1998). Quality problem solving. American Society for Quality. pp. 250?251.
- ^ a b c d "Genichi Taguchi". American Society for Quality.
- ^ a b Jayaswal, Bijay K.; Peter C. Patton (2006). Design for Trustworthy Software: Tools, Techniques, and Methodology of Developing Robust Software. Prentice Hall. p. 44.
- ^ Taguchi, Genichi (June 1995). "Quality engineering (Taguchi methods) for the development of electronic circuit technology". IEEE Transactions on Reliability. 44 (2). IEEE Reliability Society: 225?229. doi:10.1109/24.387375. ISSN 0018-9529.
- ^ Gen'ichi TAGUCHI (March 1962). Studies on mathematical statistics for quality control. Doctoral thesis. Kushu University.
- ^ "About ASI". American Supplier Institute. Archived from the original on 2009-04-02. Retrieved 2009-04-22.
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suggested) (help) - ^ Selden, Paul H. (1997). Sales Process Engineering: A Personal Workshop. Milwaukee, WI: ASQ Quality Press. pp. 156?158, 169, 237.
External links