| 车辆座椅变刚度变阻尼减振的研究 |
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| 引用本文： | 赵强,彭晶. 车辆座椅变刚度变阻尼减振的研究[J]. 车辆与动力技术, 2011, 0(2): 25-28,37. DOI: CNKI:11-4493/TH.20110527.1705.002 |
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| 作者姓名： | 赵强 彭晶 |
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| 作者单位： | 东北林业大学交通学院; |
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| 摘 要： | 基于双磁流变阻尼器构建了变刚度变阻尼的座椅半主动减振系统,建立了人体-座椅的2自由度动力学模型;对该半主动变刚度变阻尼系统的座椅减振方式采取了开关控制算法.将系统模型在MATLAB—SIMULINK中进行相应的建模仿真,并与被动减振模型进行对比分析.仿真结果表明,人体加速度均方根值要减小72.8%,人体垂直位移均方根值要减小18.4%,大幅度降低了人体所受的振动强度,能有效地改善座椅的减振效果.
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| 关 键 词： | 车辆 座椅 减振 变刚度 变阻尼 磁流变阻尼器 开关控制 |
Research on Vibration Isolation System with Variable Stiffness and Damping for a Vehicle Seat |
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| Zhao Qiang,Peng Jing. Research on Vibration Isolation System with Variable Stiffness and Damping for a Vehicle Seat[J]. Vehicle & Power Technology, 2011, 0(2): 25-28,37. DOI: CNKI:11-4493/TH.20110527.1705.002 |
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| Authors: | Zhao Qiang Peng Jing |
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| Affiliation: | Zhao Qiang,Peng Jing(Northeast Forestry University Traffic College,Harbin 150040,China) |
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| Abstract: | Based on the double magneto-rheological dampers,a semi-active vibration isolation system with variable stiffness and damping was constructed for a vehicle seat.A two DOF dynamic model for human body-seat pair was built.An on-off control algorithm was used for absorbing shock in the vibration isolation system.The simulation of the semi-active system was carried out on MATLAB/SIMULINK software platform.Comparing with conventional passive system,the results showed that the RMS value for body acceleration decre... |
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| Keywords: | vehicle seat vibration isolation variable stiffness variable damping magneto-rheological fluid damper(MRFD) on-off control |
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