| 油膜振荡故障转子系统的可靠性灵敏度排序 |
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| 引用本文： | 苏长青,张义民,勾丽杰,杜劲松.油膜振荡故障转子系统的可靠性灵敏度排序[J].兵工学报,2010,31(6):759-764. |
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| 作者姓名： | 苏长青 张义民 勾丽杰 杜劲松 |
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| 作者单位： | 中国科学院沈阳自动化研究所,自动化系统研究室,辽宁,沈阳,110016;东北大学,机械工程与自动化学院,辽宁,沈阳,110004;辽宁省交通高等专科学校,现代教育中心,辽宁,沈阳,110122 |
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| 基金项目： | 国家高科技研究发展计划资助项目，国家自然科学基金资助项目 |
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| 摘 要： | 从可靠性理论的角度出发,根据转子系统发生油膜振荡的规律和油膜振荡故障的特征,应用随机摄动技术和四阶矩技术研究了转子系统油膜振荡故障的可靠性问题,并结合灵敏度技术,提出了转子系统油膜振荡故障的可靠性灵敏度分析方法,给出了可靠性灵敏度的变化规律,研究了随机设计参数改变对转子系统可靠度的影响,并对随机参数对转子系统可靠度的贡献率进行了排序,为转子系统结构的优化设计提供了理论依据。
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| 关 键 词： | 自动控制技术 转子系统 油膜振荡 可靠性灵敏度 随机摄动 |
Reliability Sensitivity Sequencing of Rotor System with Oil Whip Fault |
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| SU Chang-qing,ZHANG Yi-min,GOU Li-jie,DU Jin-song.Reliability Sensitivity Sequencing of Rotor System with Oil Whip Fault[J].Acta Armamentarii,2010,31(6):759-764. |
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| Authors: | SU Chang-qing ZHANG Yi-min GOU Li-jie DU Jin-song |
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| Affiliation: | (1.Automation Systems Department，Shenyang Institute of Automation CAS, Shenyang 110016, Liaoning, China;2.School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110004, Liaoning, China；3.Modern Education Center, Liaoning Provincial College of Communications, Shenyang 110122, Liaoning, China) |
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| Abstract: | Based on the regularity and the characteristics of the oil whip,the reliability problem of the rotor system was studied by using the random perturbation and fourth moment technologies theoretically.Combined with the sensitivity technology,a reliability sensitivity analysis method for avoiding oil whip in rotor system was proposed.The variation rules of reliability sensitivity were obtained and the effects of design parameters on the reliability of rotor system were discussed.The contribution rates of the ra... |
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| Keywords: | automatic control technology rotor system oil whip reliability sensitivity random perturbation |
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