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论文:2023,Vol:41,Issue(6):1097-1106 |
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引用本文： |
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庞欢, 刘逸茗, 林晔, 金朋, 刘敬一. 压电作动器振动抑制系统可靠性评估及优化设计[J]. 西北工业大学学报 |
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PANG Huan, LIU Yiming, LIN Ye, JIN Peng, LIU Jingyi. Reliability evaluation and optimization design method of piezoelectric actuator vibration suppression system[J]. Journal of Northwestern Polytechnical University |
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| 压电作动器振动抑制系统可靠性评估及优化设计 |
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| 庞欢1, 刘逸茗1, 林晔2, 金朋3, 刘敬一1 |
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1. 长安大学 汽车学院, 陕西 西安 710064;
2. 北京机电工程研究所, 北京 100074;
3. 华中科技大学 航空航天学院, 湖北 武汉 430074 |
| 摘要: |
| 作为结构振动抑制的有效手段,压电作动器振动抑制系统在结构振动控制中逐步得到应用。但是长服役期内压电作动器的性能退化/失效会导致整个振动抑制系统的服役可靠性退化,确定性优化方法得到的方案难以保证系统的服役可靠性。针对服役期内压电振动抑制系统的可靠性评估及优化设计问题,分析了压电作动器性能退化和失效下振动抑制系统的失效机理,构建了基于嵌套抽样和加权统计的振动抑制系统可靠性评估方法,解决了具有载荷共享和冗余特征的振动抑制系统可靠性评估问题,提出了基于主从式并行遗传算法的压电作动器可靠性布局优化方法,实现了作动器的位置和角度优化。通过算例证明了可靠性布局优化的可行性和有效性,为服役期内振动抑制系统的高可靠性设计提供理论基础,也可为结构振动控制这一工程问题提供新的解决思路。 |
| 关键词:
压电作动器振动抑制系统
嵌套抽样
加权统计
遗传算法
可靠性优化
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| Reliability evaluation and optimization design method of piezoelectric actuator vibration suppression system |
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| PANG Huan1, LIU Yiming1, LIN Ye2, JIN Peng3, LIU Jingyi1 |
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1. School of Automobile, Chang'an University, Xi'an 710064, China;
2. Beijing Mechanical and Electrical Engineering Institute, Beijing 100074, China;
3. School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan 430074, China |
| Abstract: |
| As an effective means of structural vibration suppression, piezoelectric actuator vibration suppression system(PAVSS) has been gradually applied in structural vibration control. However, the performance degradation or failure of piezoelectric actuator under long service life will lead to the degradation of service reliability of PAVSS, so the scheme obtained by deterministic optimization method is difficult to ensure the service reliability. Aiming at the reliability evaluation and optimal design of PAVSS in service, the failure mechanism considering of the performance degradation or failure of piezoelectric actuator is analyzed, and the reliability evaluation method based on nested sampling and weighted statistics is constructed, which solves the reliability evaluation problem of PAVSS with the characteristics of load-sharing and redundancy. A reliability-based optimization method based on master-slave parallel genetic algorithm is proposed to optimize the position and angle of the actuators. At last, the feasibility and effectiveness of the proposed method are proved by an example, which not only provides a theoretical basis for the high reliability design of PAVSS in service, but also provides a new solution for the engineering problem of structural vibration control. |
| Key words:
PAVSS
nested sampling
weighted statistics
genetic algorithm
reliability-based optimization
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| 收稿日期: 2022-11-24
修回日期:
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| DOI: 10.1051/jnwpu/20234161097 |
| 基金项目: 国家自然科学基金面上项目(71971030)与中央高校基本科研业务费(300102222114)资助 |
| 通讯作者: 刘敬一(1993-),长安大学讲师,主要从事机械可靠性评估理论及方法研究。e-mail:jingyiliu@chd.edu.cn
Email：jingyiliu@chd.edu.cn |
| 作者简介: 庞欢(1987-),长安大学副教授,主要从事机械可靠性建模及评估方法研究。
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| 作者相关文章 |
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| 庞欢 在本刊中的所有文章 |
| 刘逸茗 在本刊中的所有文章 |
| 林晔 在本刊中的所有文章 |
| 金朋 在本刊中的所有文章 |
| 刘敬一 在本刊中的所有文章 |
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