| 汽车发动机磁流变悬置隔振效果试验评估 |
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| 引用本文： | 简晓春,盛鹏程,赵化雷,刘勇彪.汽车发动机磁流变悬置隔振效果试验评估[J].车用发动机,2009(2). |
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| 作者姓名： | 简晓春 盛鹏程 赵化雷 刘勇彪 |
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| 作者单位： | 1. 重庆交通大学,重庆,400074
2. 中国重汽商用车销售部,山东,济南,250031 |
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| 摘 要： | 在采用四端参数法对加速度振级落差模型进行理论推导及分析的基础上,提出了以可测量、易操作的加速度振级落差对悬置系统的隔振效果进行试验评估。汽车发动机分别采用橡胶悬置及磁流变悬置,对采集得到的动态激振力数据进行了自功率谱函数估计,对振动加速度数据进行了频谱分析,并根据加速度频谱中二阶主频处的数据对悬置系统进行了评估。结果显示,磁流变悬置不仅被动隔振效果的评估结果优于橡胶悬置,而且发动机低速段采用较大电流、高速段采用小电流的控制策略使得隔振效果更好。
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| 关 键 词： | 磁流变悬置 四端参数法 加速度振级落差 隔振效果 |
Experimental Evaluation of Vibration Isolating Effect for Engine Magneto-rheological Mount |
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| JIAN Xiao-chun,SHENG Peng-cheng,ZHAO Hua-lei,LIU Yong-biao.Experimental Evaluation of Vibration Isolating Effect for Engine Magneto-rheological Mount[J].Vehicle Engine,2009(2). |
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| Authors: | JIAN Xiao-chun SHENG Peng-cheng ZHAO Hua-lei LIU Yong-biao |
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| Institution: | JIAN Xiao-chun1,SHENG Peng-cheng2,ZHAO Hua-lei2,LIU Yong-biao1(1.Chongqing Jiao Tong University,Chongqing 400074,China,2.China Heavy Truck Sales of commercial vehicles,Ji'nan 250031,China) |
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| Abstract: | The acceleration-vibration level difference model was theoretically deduced and analyzed with four pole parameters method and then the vibration isolating effect of magneto-rheological(MR) mount with acceleration-vibration lever difference,which was measurable and easy to operate,was evaluated by the test.Using rubber mount and MR mount respectively,the collected dynamic exciting force data were analyzed with power spectral density function,the vibration acceleration data were analyzed with frequency spectr... |
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| Keywords: | MR mount four pole parameters method acceleration-vibration level difference vibration isolating effect |
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