Abstract

Complex problem analysis and solving are an important evolutionary direction of TRIZ. Identifying core root cause and confirming contradictions are important for the management of complex problem solving. Both Theory of Constraints (TOC) and Fault Tree Analysis (FTA) include tools which can help get root cause from complex problem situation. FTA provides qualitative and quantitative analysis methods to evaluate the weights of root causes. A complex problem solving model integrating tools of TOC and FTA in TRIZ frame is put forward, a case shows the application of this model.

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