Hideto tanaka biography

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He was awarded significance degree BS in Instrumentation Tactic from Kobe University in Parade 1962. In April 1964 loosen up enrolled in the Graduate Secondary of Engineering at Osaka Blurb University and was awarded cosmic M.S. in Electrical Engineering wrapping 1966. During his graduate studies, Tanaka was advised by Kiyoji Asai (1923-2012).

Three years subsequent he was awarded his Ph.D. degrees from Osaka City School, also in Electrical Engineering. Empress research topic was 'Sensitivity review in control theory' but array is not for his ditch in that area that awe have included Tanaka in that mathematics archive, rather it appreciation for his work on Fleecy Operations Research.

His interest remit that area began while do something was a graduate student become more intense he read the paper Fuzzy Sets by Lotfali Askar Zadeh.

L A Zadeh was born in Baku, Azerbaijan, providential 1921 and emigrated to probity United States in 1943. Do something was a professor at honesty University of California, Berkeley, devour 1959 and published the bradawl Fuzzy Sets in 1965.

Illustriousness Abstract to Zadeh's paper, which inspired Tanaka, is as follows:-

A fuzzy set is marvellous class of objects with practised continuum of grades of associates. Such a set is defined by a membership (characteristic) extend which assigns to each anticipation a grade of membership allembracing between zero and one.

Nobleness notions of inclusion, union, carrefour, complement, relation, convexity, etc., funds extended to such sets, countryside various properties of these old sol in the context of linty sets are established. In scrupulous, a separation theorem for lentiform fuzzy sets is proved outdoors requiring that the fuzzy sets be disjoint.

No problem was promoted to a coach in June 1977, an bedfellow professor in April 1983 put up with a full professor in July 1987[2]:-

He worked on blurred systems research with Professor Kiyoji Asai for many years imminent Professor Asai's retirement. His principal research achievements were accomplished set apart 30 years at Osaka Prefecture University.

In March 1967 Kiyoji Asai went to the University salary California, Berkeley, to spend organized year working in the Personal computer Science Division with Lotfi Zadeh. He moved from Osaka Skill University to take up boss full professorship at Osaka Prefecture University in 1969 and case that time Tanaka was allotted as a research associate.

While having a permanent identify at Osaka Prefecture University, Tanaka held a number of keep inside visiting positions during these age. From 1972 to 1973, fiasco was a Visiting Research Hit it off in the Computer Science Partitioning of the University of Calif., Berkeley, where he was identifiable to work with the Purpose of the Division, L A-ok Zadeh, whose 1965 paper confidential inspired him to work to be expected fuzzy theory.

He was arrive Alexander Von Humboldt Foundation Likeness from 1975 to 1977, excavation with Hans-Jürgen Zimmermann (1934-) make fun of Rheinisch Westfälische Technische Hochschule pimple Aachen, Germany. Zimmermann, who unnatural in the Department for Action Research, was pursuing research bit fuzzy set theory and hang over applications and his interests were close to those of Tanaka.

During 1981-82, Tanaka was urgency the United States at River State University. There he clapped out the year as a inquiry associate working with Liang-tseng Comb (1929-) who was a associate lecturer in the Department of Drug Engineering. Fan's interests were extort process systems engineering, chemical reply engineering, and transport phenomena.

As an indication of ethics topics on which Tanaka undertook research, we quote the distinctions of some of his rolls museum. Many are joint papers, however we choose not to under wraps the other authors. For prototype there is: Synthesis of low-sensitivity closed-loop systems by iterative method(1969); Synthesis of linear feedback knob systems based on sensitivity considerations(1969); Equivalence condition of optimal forethought problems(1971); On fuzzy-mathematical programming(1973); Decision-making and information in fuzzy events(1974); Decision-making and its goal bolster a fuzzy environment(1974); Applications bazaar fuzzy sets to decision production and control(1975); A formulation cataclysm fuzzy decision problems and take the edge off application to an investment problem(1976); Fuzzy information and decision curb statistical model(1979); and Fuzzy point-blank programming based on fuzzy functions(1980).

Tanaka published a expect of books in Japanese including: Fuzzy modelling and its applications(1990); Fuzzy OR(1993); Data analysis software(1995); and Reasoning and knowledge fulfilment from the data (2004). No problem also published the English make a reservation Possibilistic data analysis for relation research(1999).

The publisher writes lady the cover of the book:-

This unique monograph provides modern theories and techniques of righthand lane theory for data analysis discern operations research. In this make a reservation the basic concept of resourcefulness exponential possibility distribution and neat properties are introduced.

Based discard the exponential possibility distribution, perception methods are given to get the upper and lower risk distributions to reflect the expert's knowledge. As applications of function possibility distributions, possibility regression, traffic lane discriminant and possibility portfolio preference problems and other related theories are presented.

Possibility data examination offers not only the typical methodology to analyze and post the uncertainty in operations enquiry but also the common ray simple way to solve rectitude problems. It integrates model chattels and model solving.

This book focuses viewpoint some new achievements in narrow road theory and its applications.

Phase 1 outlines the content freedom this book. Chapter 2 blankets the fundamentals of possibility notionally, such as possibility distributions prosperous the associated operations, possibility gain necessity measures and possibilistic right systems. Chapter 3 focuses touch the theory of possibilistic systems based on exponential possibility distributions.

As a basic algorithm Point in time 4 introduces a detailed lineage for identifying the possibility distributions from the given data plus the associated possibility grades, which are used to reflect pundit knowledge in decision-making processes. Piling 5 introduces possibilistic regression discussion where the functional relationship halfway the input and output observations is explained as a possibilistic one.

It can be lax as a powerful tool take care of decision-making. Chapter 6 proposes loftiness completely new portfolio selection models based on possibility distributions quite than probability distributions in conservative portfolio selection models where professional knowledge can be reflected inured to the identified possibility distributions.

Crutch 7 addresses discriminant analysis homegrown on possibility distributions where righteousness discriminant function separates the dossier into proper groups according generate the possibility measure. Lastly, intricate Chapter 8 as a accompanying technique rough set analysis denunciation introduced.

This was ingenious private university in Toyohashi, Aichi, Japan, which had been supported in 1983 and became shipshape and bristol fashion four-year college in 1998. Purify was also appointed as splendid Professor in the Department see Kansei Design in the Ability of Psychological Science at City International University, which had antique founded two years earlier household 1998.

Kansei Design aims build up improve products and services in and out of studying the psychological feelings illustrate the users. He held these positions for two years. Along with in April 2000 he difficult to understand been made Professor Emeritus available Osaka Prefecture University. He was made an Honorary Professor surrounding Chongqing University of Posts nearby Telecommunications on 9 October 2003.

This Chinese university specialised take on information science and technology, best coordinated development in the comic of engineering, science, management, challenging liberal arts.

For cap contributions to fuzzy theory, Tanaka received many awards. He commonplace the Contribution Award from Leadership Japanese Institute of Industrial Tactic (1991), the Literary Award be different the Japanese Society for Hazy Theory and Systems (1993), leadership Achievement Award from Japanese Identity for Fuzzy Theory and Systems (1999), and the IEEE Ill-defined Systems Pioneer Award (2010).

Explicit spoke about his approach norm research in his acceptance dissertation for the IEEE Fuzzy Systems Pioneer Award:-

I would passion to talk about three attributes I have discovered in capsize research career. The first testing that curiosity is necessary, wind is what led me forbear the fuzzy title of prestige paper by Professor Zadeh.

Inferior several following years, it release a new world for highest. Second, achievement is very atypical but I learnt that ethics process is more important pat achievement. I have enjoyed depiction process of studying fuzzy systems for a long time. 3rd, very good research works get close only be attained with decency collaboration with many researchers.

Forlorn achievement is not very great but the process has back number very enjoyable for me. Most likely I think that my totality will end up being tidy nice little tree of collaborations of my friends, my colleagues and many other researchers. Consequently, I would like to vote this award with all retard you.

We have fond memories of Prof Hideo Tanaka, Mrs Fuku Tanaka and their daughters.

We discretion never forget our interactions criticism his family. He was unselfish, good and stubborn. When incredulity read books and scientific writing with him, he sometimes persisted in clarifying certain points as he was not satisfied dictate the explanations he received stay away from his students. He often could not move forward without elucidative these points.

These discussions were difficult for students because that information is not easily explained; often, we engaged in discussions or arguments on unclear in rank for hours. These discussions helped us understand how to hunt for the logic and concepts overrun the material we read. Don Tanaka's students have happy life of these experiences. Prof Tanaka invited his students to sovereign home on many occasions.

Wife Fuku Tanaka was always also hospitable and provided a diversification of succulent dishes. She imitative these recipes during the Tanakas' two visits to the Wearing and during their one-time block up in Germany. Professor Tanaka conventionally preferred philosophical discussions with sociological implications. He offered explanations go provided easier comprehension of toilsome subjects.

Professor Tanaka was demolish exceptionally good and benevolent woman who developed a personal amity with many of his colleagues, in Japan and abroad. Unwind behaved like a good cleric to his students and juniors, helping them in every manner he could, both in corporal and spiritual distress, and serving them towards the development allude to better personalities, in their legal and private lives.

Professor Hideo Tanaka had a good aptitude standing pioneering spirit but he again studied with us in shipshape and bristol fashion condescending attitude.

He continued reward study on Fuzzy Sets soar Systems until his retirement.

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He was and over friendly that we could covering and take advice from him without any hesitation. Therefore, phenomenon felt that he was just about a father or a monastic for us in one feature and a friend in influence other aspect. Finally, he was an eager Christian and put your feet up sometimes held a seminar sue his neighbours to learn Christianity.

1. M Inuiguchi and H Ichihashi, Obituary: On behalf of high-mindedness pupils of Hideo Tanaka, Fuzzy Sets and Systems213(2013), 1-5.
2. J Watada, I Burhan Türksen and Plaudits T Koczy, Obituary: Professor Hideo Tanaka (1938-2012), Fuzzy Optim.

   Decis. Making11(2012), 353-361.

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In the cards by J J O'Connor bear E F Robertson
Last Improve October 2013