donderdag 18 november 2010


TRIZ (pronounced /ˈtriːz/) Russian: Теория решения изобретательских задач (Teoriya Resheniya Izobretatelskikh Zadatch), often translated as "Theory of creative problem solving", is a method developed by Soviet engineer and researcher Genrich Altshuller and his colleagues, beginning in 1946.

Genrich researched numerous patents and found that many or all inventions followed 40 principles to overcome contradictions.

For contradictions, he recognized Technical Contradictions and Physical Contradictions.

He formulated a Matrix of Contradictions and 40 inventive principles.

The Laws of technical system evolution describe how technical systems evolve over time.

Substance-field analysis is a technique used by inventors to overcome Contradictions, replace one field or substance by another.

ARIZ (Russian acronym of Алгоритм решения изобретательских задач - АРИЗ) - Algorithm of Inventive Problems Solving - is a list of about 85 step-by-step procedures to solve complicated invention problems.
The latter have been the base of several more comprehensive methods.

Useful links:
* - 12 short videos about triz.
* - triz journal.
* - 40 inventive principles
* - Explanation of Ariz.

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