Abstract
Based on the reliability and mechanism kinematic accuracy theories, we propose a general methodology for system reliability analysis of kinematic performance of planar mechanisms. The loop closure equations are used to estimate the kinematic performance errors of planar mechanisms. Reliability and system reliability theories are introduced to develop the limit state functions (LSF) for failure of kinematic performance qualities. The statistical fourth moment method and the Edgeworth series technique are used on system reliability analysis for kinematic performance of planar mechanisms, which relax the restrictions of probability distribution of design variables. Finally, the practicality, efficiency and accuracy of the proposed method are demonstrated by numerical examples.
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Supported by the National High Technology Research and Development Program of China (Grant No. 2007AA04Z442) and National Natural Science Foundation of China (Grant No. 50875039)
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Zhang, Y., Huang, X., Zhang, X. et al. System reliability analysis for kinematic performance of planar mechanisms. Chin. Sci. Bull. 54, 2464–2469 (2009). https://doi.org/10.1007/s11434-009-0054-1
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DOI: https://doi.org/10.1007/s11434-009-0054-1