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工程设计学报
工程设计学报  2017, Vol. 24 Issue (2): 149-155    DOI: 10.3785/j.issn.1006-754X.2017.02.004
设计理论与方法学     
双筒式液压减振器阻尼力建模与灵敏度分析
段福斌1,2, 潘骏1, 陈文华1, 徐瀚辉3, 杨礼康2
1. 浙江理工大学 浙江省机电产品可靠性技术研究重点实验室, 浙江 杭州 310018;
2. 浙江科技学院 机械与汽车工程学院, 浙江 杭州 310023;
3. 浙江大华技术股份有限公司, 浙江 杭州 310053
Damping force modeling and sensitivity analysis of double-tube hydraulic damper
DUAN Fu-bin1,2, PAN Jun1, CHEN Wen-hua1, XU Han-hui3, YANG Li-kang2
1. Zhejiang Province Key Laboratory of Reliability Technology for Mechanical & Electrical Product, Zhejiang Sci-Tech University, Hangzhou 310018, China;
2. School of Mechanical and Automotive Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China;
3. Zhejiang Dahua Technology Co., Ltd., Hangzhou 310053, China
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摘要：

为提高减振器阻尼力输出的准确性及减振器性能可靠性，定量分析双筒式液压减振器尺寸参数及其公差、油液黏度等对阻尼力的影响。根据阻尼力的产生机理，建立了减振器复原行程中复原阀开启前、后的阻尼力模型和压缩行程中压缩阀开启前、后的阻尼力模型，利用MATLAB仿真得到了其示功图和速度特性图，并通过台架性能试验进行了验证。考虑到阻尼力模型的复杂性，采用ANSYS中的Design Exploration模块，利用响应面法得到了减振器各个参数的灵敏度，并针对油液黏度、阀系开启高度等影响较大的参数，考虑其随机性，利用蒙特卡洛抽样方法得到了减振器阻尼力的分布，从而为双筒式液压减振器的设计提供了依据，为进一步研究减振器的阻尼力退化及寿命评估奠定了基础。
关键词： 液压减振器;  阻尼力模型;  灵敏度;  蒙特卡洛    
Abstract:

In order to improve the accuracy of the damping force's output and performance reliability of the damper, the influence of size and tolerance of the double-tube hydraulic damper and the viscosity of the oil on the damping force is quantitatively analyzed. According to the generation mechanism of the damping force, the damping force model before and after the recovery valve opened in the recovery stroke and the damping force model before and after the compression valve opened in the compression stroke were established. By using the MATLAB simulation, the indicator diagram and speed characteristics diagram were obtained, and the performances were verified by bench test. The sensitivity analysis of the different parameters was done by using the Design Exploration module of ANSYS considering the complexity of model. Based on the randomness of the oil viscosity, the opening degree of the recovery (compression) valve which has more influence on the damping force, the prior distribution of the damping force was calculated by using Monte Carlo method. The results show that the damping force is distributed normally, and the method provides a basis for the design of double-tube hydraulic damper.
Key words: hydraulic damper    damping force model    sensitivity    Monte Carlo
收稿日期: 2016-11-02 出版日期: 2017-04-28
CLC:  U463.33  
基金资助:

国家自然科学基金面上项目（51175474）；浙江省重中之重学科开放基金资助项目（ZSTUMD2012A008）
通讯作者: 潘骏(1974-),男,江西宁都人,教授,博士,从事机电产品可靠性研究,E-mail:panjun@zstu.edu.cn,http://orcid.org//0000-0003-0022-922X     E-mail: panjun@zstu.edu.cn
作者简介: 段福斌(1974-),男,山东济宁人,副教授,硕士,从事机电产品可靠性、汽车减振器优化设计等研究,E-mail:dfb@zust.edu.cn
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引用本文:

段福斌, 潘骏, 陈文华, 徐瀚辉, 杨礼康. 双筒式液压减振器阻尼力建模与灵敏度分析[J]. 工程设计学报, 2017, 24(2): 149-155.

DUAN Fu-bin, PAN Jun, CHEN Wen-hua, XU Han-hui, YANG Li-kang. Damping force modeling and sensitivity analysis of double-tube hydraulic damper[J]. Chinese Journal of Engineering Design, 2017, 24(2): 149-155.

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https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2017.02.004    或    https://www.zjujournals.com/gcsjxb/CN/Y2017/V24/I2/149

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