| 不完全概率信息牛头刨床机构运动精度可靠性稳健设计 |
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| 引用本文： | 张义民,黄贤振,贺向东.不完全概率信息牛头刨床机构运动精度可靠性稳健设计[J].机械工程学报,2009,45(4). |
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| 作者姓名： | 张义民 黄贤振 贺向东 |
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| 作者单位： | 1. 东北大学机械工程与自动化学院,沈阳,110004
2. 大连工业大学机械工程与自动化学院,大连,116034 |
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| 基金项目： | 国家高技术研究发展计划(863计划)，国家自然科学基金，高等学校创新团队资助项目 |
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| 摘 要： | 将可靠性优化设计理论、可靠性灵敏度技术与稳健设计方法相结合,讨论不完全概率信息牛头刨床主运动机构运动精度可靠性稳健设计问题.从平面机构的几何约束方程出发,推导机构运动精度误差表达式,建立牛头刨床机构运动精度失效的极限状态方程,提出牛头刨床机构运动精度可靠性稳健设计模型.在已知基本随机参数前四阶矩的情况下,通过计算机程序可以实现牛头刨床机构的运动精度可靠性稳健设计,迅速准确地得到牛头刨床机构的设计信息.
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| 关 键 词： | 牛头刨床机构 可靠性优化 稳健设计 不完全概率信息 |
Reliability-based Robust Design for Kinematic Accuracy of the Shaper Mechanism under Incomplete Probability Information |
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| ZHANG Yimin,HUANG Xianzhen,HE Xiangdong.Reliability-based Robust Design for Kinematic Accuracy of the Shaper Mechanism under Incomplete Probability Information[J].Chinese Journal of Mechanical Engineering,2009,45(4). |
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| Authors: | ZHANG Yimin HUANG Xianzhen HE Xiangdong |
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| Affiliation: | 1.School of Mechanical Engineering and Automation;Northeastern University;Shenyang 110004;2.School of Mechanical Engineering and Automation;Dalian Polytechnic University;Dalian 116034 |
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| Abstract: | The reliability-based robust design for kinematic accuracy of the shaper mechanism under incomplete probability information is extensively discussed by combining the reliability-based optimization design theory, the reliability sensitivity technique and the robust design method.The loop closure equations are used to estimate the kinematic accuracy errors of planar mechanism, and the limit state function for kinematic accuracy failure of the shaper mechanism is developed.The mode of reliability-based robust ... |
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| Keywords: | Shaper mechanism Reliability optimization Robust design Incomplete probability information |
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