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This paper proposes an alternative approach based on a fuzzy-interval analysis to assess how dimensional tolerances affect the kinematics of parallel manipulators. The novel contribution of the proposed approach consists… Click to show full abstract
This paper proposes an alternative approach based on a fuzzy-interval analysis to assess how dimensional tolerances affect the kinematics of parallel manipulators. The novel contribution of the proposed approach consists of modeling and analyzing the dimensional tolerances as fuzzy-intervals based on fuzzy theory and interval sensitivity methods. The dimensional tolerances are modeled as intervals weighted by the membership function for the proposed fuzzy-interval approach. The proposed fuzzy-interval analysis is used to analyze the positioning error, sensitivity, and design analysis. The proposed fuzzy-interval method was applied using numerical simulations to assess the effect of dimensional tolerances and sensitivity of parallel manipulators. The proposed approach showed as a complementary procedure that can be used in the design phase of parallel manipulators.
Journal Title: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Year Published: 2023
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