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Probabilistic Approach to System Reliability of Mechanism with Correlated Failure Models

机译:相关失效模型机制的系统可靠性概率方法

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摘要

In this paper, based on the kinematic accuracy theory and matrix-based system reliability analysis method, a practical method for system reliability analysis of the kinematic performance of planar linkages with correlated failure modes is proposed. The Taylor series expansion is utilized to derive a general expression of the kinematic performance errors caused by random variables. A proper limit state function (performance function) for reliability analysis of the kinematic performance of planar linkages is established. Through the reliability theory and the linear programming method the upper and lower bounds of the system reliability of planar linkages are provided. In the course of system reliability analysis, the correlation of different failure modes is considered. Finally, the practicality, efficiency, and accuracy of the proposed method are shown by a numerical example.
机译:本文基于运动学精度理论和基于矩阵的系统可靠性分析方法,提出了一种具有失效模式的平面连杆机构运动性能系统可靠性分析的实用方法。泰勒级数展开用于推导由随机变量引起的运动性能误差的一般表达式。建立了用于平面连杆机构运动性能可靠性分析的极限状态函数(性能函数)。通过可靠性理论和线性规划方法,给出了平面连杆系统可靠性的上限和下限。在系统可靠性分析过程中,考虑了不同故障模式之间的相关性。最后,通过数值算例说明了该方法的实用性,有效性和准确性。

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  • 来源
    《Mathematical Problems in Engineering》 |2012年第5期|p.57.1-57.11|共11页
  • 作者

    Xianzhen Huang; Yimin Zhang;

  • 作者单位

    School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110004, China;

    School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110004, China;

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  • 正文语种 eng
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