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The Simulation Analysis of Vibration Isolating Characteristics for Engine Mount based on the Bond Graph Theory
Author(s): 
Pages: 70-72
Year: Issue:  7
Journal: Equipment Manufacturing Technology

Keyword:  键合图发动机悬置隔振特性仿真;
Abstract: 应用键合图理论,结合Simulink仿真程序,对国产某轿车半主动控制液压悬置进行仿真分析,并用实验验证.结果表明,通过对该悬置系统实施半主动控制,即在其工作状态下调节悬置内节流孔的开度,可以有效地改变悬置系统的动态特性.在振动的低频段内,尤其是在发动机怠速运转的激振频率点附近,可以对悬置系统的动特性进行适应性的调节和控制.实施控制后的液压悬置动特性能够满足悬置系统理想动特性的要求,从而可以降低并迅速衰减汽车怠速运转时发动机的振动,提高汽车的舒适性.
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