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| 频域内振动路径的功率流传递度排序 | |
| 引用本文： | 赵群,张义民,赵晋芳. 频域内振动路径的功率流传递度排序[J]. 航空动力学报, 2009, 24(5): 1177-1181 |
| 作者姓名： | 赵群 张义民 赵晋芳 |
| 作者单位： | 东北大学,机械工程与自动化学院,沈阳,110004;东北大学,机械工程与自动化学院,沈阳,110004;东北大学,机械工程与自动化学院,沈阳,110004 |
| 基金项目： | 国家高技术研究发展计划(2007AA04Z442) |
| 摘 要： | 基于振动的功率流理论和一般概率摄动法,研究了多源激励浮筏隔振系统频域内振动传递路径的功率流传递概率的度量问题,提出了频域内振动传递路径系统的功率流传递度的新概念和方法,在考虑工程中的不确定因素以后,在频域内清晰地描述了振动传递路径系统的功率流传递度. |
| 关 键 词： | 浮筏 功率流 传递路径 传递概率 传递度 |
| 收稿时间： | 2008-05-14 |
| 修稿时间： | 2008-09-22 |
Powerflow transfer ratio of vibration path systems in frequency range |
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| ZHAO Qun,ZHANG Yi-min and ZHAO Jin-fang. Powerflow transfer ratio of vibration path systems in frequency range[J]. Journal of Aerospace Power, 2009, 24(5): 1177-1181 | |
| Authors: | ZHAO Qun ZHANG Yi-min ZHAO Jin-fang |
| Affiliation: | School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110004, China |
| Abstract: | Based on the theory of powerflow and the generalized probabilistic perturbation method,this paper studied the path powerflow transfer probability of multiple sources exciting floating raft system in frequency range;and,the new concept and effective approach of path powerflow transfer ratio for vibration transfer path systems in frequency range were presented.The powerflow transfer ratio among multiple and/or multi-dimensional paths was described correctly and expressly in frequency range when uncertain fact... |
| Keywords: | floating raft powerflow transfer path transfer probability transfer ratio |
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