卫星微振动液阻隔振器建模与试验研究

doi:10.13700/j.bh.1001-5965.2018.0534

北京航空航天大学学报 ›› 2019, Vol. 45 ›› Issue (5): 999-1007.doi: 10.13700/j.bh.1001-5965.2018.0534

卫星微振动液阻隔振器建模与试验研究

刘巧斌¹, 史文库¹, 柯俊², 陈志勇¹, 曹飞¹, 闵海涛¹

1. 吉林大学汽车仿真与控制国家重点实验室, 长春 13002;
2. 浙江理工大学机械与自动控制学院, 杭州 310018

收稿日期:2018-09-07 出版日期:2019-05-20 发布日期:2019-05-21
通讯作者: 陈志勇.E-mail:czy_jlu@163.com E-mail:czy_jlu@163.com
作者简介:刘巧斌男,博士研究生。主要研究方向:振动噪声控制;史文库男,博士,教授,博士生导师。主要研究方向:振动噪声控制;陈志勇男,博士,副教授,硕士生导师。主要研究方向:振动噪声控制。
基金资助:
国家重点研发计划（2018YFB0106203）；吉林省科技发展计划（20150307034GX）；吉林省重大科技攻关项目（20170204063GX）

Modeling and experimental study of hydraulic damping isolator for satellite micro-vibration isolating

LIU Qiaobin¹, SHI Wenku¹, KE Jun², CHEN Zhiyong¹, CAO Fei¹, MIN Haitao¹

1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 13002;
2. Faculty of Mechanical Engineering and Automation, Zhejiang Sci-Tech University, Hangzhou 310018, China

Received:2018-09-07 Online:2019-05-20 Published:2019-05-21

摘要/Abstract

摘要： 卫星微振动隔振器建模是进一步整星振动仿真、优化和控制的基础。针对五参数分数阶导数模型无法描述液体阻尼式卫星隔振器幅变特性的缺点，根据试验数据，分别对各位移振幅激励下的隔振器的动特性曲线进行参数识别，根据参数识别结果，对五参数分数阶导数模型进行幅值相关性修正，引入幅变因子。由仿真结果与试验结果的对比可知，引入了幅变因子的分数阶导数模型可以很好地预测隔振器的幅变特性。在提出的改进型分数阶导数模型的基础上，进行了模型参数影响分析。所提出的建模方法可为微振动隔振器的设计和分析提供参考。

关键词: 微振动, 分数阶导数模型, 幅变动特性, 试验测试, 参数影响

Abstract: The modeling of satellite micro-vibration isolators is the basis for further simulation, optimization and control of system vibration. Because the model of five-parameter fractional derivative cannot describe amplitude variable performance of the damping satellite vibration isolator, according to the experimental data, parameter identification of dynamic characteristic curves of isolator under different displacement amplitude excitation was conducted. According to the parameter identification result, the amplitude correlation correction were conducted to five-parameter fractional derivative model, and the amplitude variable factor was introduced. From the comparison between the simulation results and the experimental results, it can be seen that the modified fractional derivative model with amplitude variable factor can well predict the amplitude variable characteristics of the vibration isolator with hydraulic damping. Based on the proposed fractional derivative model, the influence of main model parameters was analyzed. The proposed modeling method can provide reference for the design and analysis of micro-vibration isolators.

Key words: micro-vibration, fractional derivative model, amplitude variable dynamic characteristic, experiment test, parameter influence

中图分类号:

V214⁺.3

刘巧斌, 史文库, 柯俊, 陈志勇, 曹飞, 闵海涛. 卫星微振动液阻隔振器建模与试验研究[J]. 北京航空航天大学学报, 2019, 45(5): 999-1007.

LIU Qiaobin, SHI Wenku, KE Jun, CHEN Zhiyong, CAO Fei, MIN Haitao. Modeling and experimental study of hydraulic damping isolator for satellite micro-vibration isolating[J]. JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2019, 45(5): 999-1007.

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卫星微振动液阻隔振器建模与试验研究

Modeling and experimental study of hydraulic damping isolator for satellite micro-vibration isolating

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