Multi-contradiction Mixed Information Solving Process Model Guided by the Technological Evolution

doi:10.3901/JME.2020.21.219

Abstract

Abstract: Aiming at the problems that the contradictions can't reflect the dynamics process of system and the weight of multi-contradiction influence on indexes in the process of solving multi-contradiction,It is predicted that it is based on the multiscreen scheme and the law of technological evolution,so the parameter list is extracted to construct the contradiction ENV (Element-name-value)model.Contradictions are composed of control parameters and evaluation parameters and are affected by the change of parameter value, so the importance of parameters can be used as the ranking index of contradiction importance.Establishing the relationship between parameters and the law of technological evolution, and the weights of parameters are assigned from aspects of component influence, frequency of parameters, number of parameters and expert evaluation. The weights of the mixed information are calculated respectively through the mixed correlation degree to calculate the weights of the control parameters and the evaluation parameters. the order of importance of the contradictions are calculated to determine the key contradiction. Finally, an innovative and improved solution is obtained through contradiction matrix, and a multi-contradiction mixed information solution process model guided by the technological evolution is finally established. The effectiveness of the process model is verified by the innovative design of the plate-coating machine as an example.

Key words: TRIZ, ENV model, multi-contradiction, OTSM-TRIZ, technological evolution

CLC Number:

TB472

LIANG Rui, TAN Runhua, ZHANG Jianhui. Multi-contradiction Mixed Information Solving Process Model Guided by the Technological Evolution[J]. Journal of Mechanical Engineering, 2020, 56(21): 219-230.

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