Author: Toru Nakagawa, Hideaki Kosha and Yuji Mihara
Abstract:
As Solution Generation methods, TRIZ has provided a large
number of techniques and principles: 40 Principles of Invention, 76 Standards
of Inventive Solutions, Trends of Evolution of Technological Systems,
Separation Principle, etc. This shows the richness in TRIZ, but also makes
pitfalls of difficulty and confusion. In the present study all these TRIZ
methods are reclassified in the framework of USIT (Unified Structured Inventive
Thinking). USIT has only five Solution Generation Methods: i.e. Object
Pluralization, Attribute Dimensionality, Function Distribution, Solution
Combination, and Solution Generalization Methods. It is remarkable that the
huge variety of TRIZ methods are smoothly mapped onto these five USIT methods.
The USIT Solution Generation Methods are now enhanced much with TRIZ-origin
methods and have clear guidelines. Thus the present work has reorganized TRIZ
into a much simpler yet more effective process for problem solving: namely,
USIT.
This paper was originally published in “TRIZ Home Page in
Japan” in ”, Nov. 2002. Reposted in trizsite.com under the permission of Dr.
Nakagawa, Editor, TRIZ Home Page in Japan. For original contents please refer to
the author’s site.
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