Abstract

This paper proposes a fuzzy comprehensive evaluation method to determine the symmetry degree of three types of mechanical structure symmetries. In the proposed method, factors are set based on four symmetry elements; the analytic hierarchy process is used to determine the weight set, and an experiment was developed to determine the weight values. Based on the maximum membership rule, the type of symmetry of the evaluation object can be determined based on the evaluation result. Finally, instances were applied to illustrate the proposed evaluation method, which validated the proposed method is successful.

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