半主动控制式发动机液压悬置的隔振应用研究

来源 :第19届亚太汽车工程年会暨2017中国汽车工程学会年会 | 被引量 : 0次 | 上传用户：yysky99

【摘要】

：

针对车辆怠速时驾驶座椅振动现象,对发动机悬置上下端及座椅导轨的振动加速度信号做阶次跟踪和频谱分析,认为该振动主要由发动机自身二阶激励引起.为消除该现象,将动刚度二级可变的空气弹簧式半主动控制液压悬置应用于发动机左侧支撑.试验对比表明,半主动控制的发动机悬置对怠速时发动机左侧的异常振动具有很好的隔离效果,提升了车辆怠速工况的振动舒适性,同时也满足了车辆正常行驶时的悬置动刚度要求.

【作者】

：

杨慰胡腾陈钊杨少刚陈伟徐贤

【机构】

：

东风商用车技术中心

【出处】

：

第19届亚太汽车工程年会暨2017中国汽车工程学会年会

【发表日期】

：

2017年7期

【关键词】

：

汽车发动机半主动控制式液压悬置异常振动隔离效果

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半主动控制式发动机液压悬置的隔振应用研究

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