| Kong xiangdong（孔祥东）,Li Bin,Quan Lingxiao,Guo Haixin,Bai Ruxia.[J].高技术通讯(英文),2017,23(4):446~454 |
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| First order sensitivity analysis of magnetorheological fluid damper based on the output damping force |
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| DOI：10.3772/j.issn.1006-6748.2017.04.015 |
| 中文关键词: |
| 英文关键词: magnetorheological fluid ( MRF) damper, output damping force, first order sensi-tivity analysis, sensitivity index |
| 基金项目: |
| Author Name | Affiliation | | Kong xiangdong（孔祥东） | | | Li Bin | | | Quan Lingxiao | | | Guo Haixin | | | Bai Ruxia | |
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| 中文摘要: |
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| 英文摘要: |
| With many features, the magnetorheological fluid ( MRF) damper is widely applied in the semi-active vibration control system.And sensitivity analysis is an important method to study the influence weight of various parameters on damping force characteristics.A mathematical model of the output damping force on the MRF damper is established by the mechanism modeling method, a first order output sensitivity equation is deduced and the expression of the first order output sensitivity function is obtained.The first-order sensitivity functions of ten design parameters are solved, and the influ-ence degree of system parameters change on the output force of MRF damper is analyzed by compa-ring the sensitivity index of the parameters.Two sensitivities of vibration velocity and control current are obtained through experiment to prove the other parameters sensitivity analysis conclusion by analogy verification, which provides guidance for the structure optimization design of MRF damper. |
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