Updated on February 5, 2025

Problem-solving tools

Problem-solving tools represent a set of instruments designed to address specific key problems identified during the problem-identification stage of the project.

The following model serves as the foundation for every problem-solving process according to TRIZ:

In the first step, a specific key problem is transformed into a model of the problem. This model is then processed using a tool dedicated to that particular model to generate a solution model. Finally, a brainstorming is conducted around the generated solution model to develop concrete solution concepts.

The problem-solving tools are grouped into two blocks: those that require the formulation of contradictions (engineering or physical) and those that have nothing to do with contradictions:

contradiction required

contradiction NOT required

Relation of the problem-solving tool with a problem model

Depending on how the problem has been modeled, the appropriate problem-solving tool is applied. Consequently, the use of a specific tool results in a corresponding model of solution. The table below illustrates these relationships:

model of the problem

tool used to process the problem model

model of solution

engineering (technical) contradiction

  1. contradiction (Atshuller) matrix
  1. inventive principle

physical contradiction

  1. algorithm of resolving physical contradiction
  2. function-oriented search (FOS)
  3. database of scientific effects
  4. clone problems application
  1. inventive principle
  2. technology identified during FOS
  3. scientific effects

Su-Field

  1. system of 76 standard inventive solutions
  1. standard inventive solution

function

  1. function-oriented search (FOS)
  2. database of scientific effects
  1. technology identified during FOS
  2. scientific effect/phenomenon

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