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理想天棚阻尼的被动实现方法

Keywords: 悬架,机电相似,惯容器,天棚阻尼,反共振

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Abstract:

为解决理想天棚阻尼要求阻尼元件与惯性参考系相连的技术问题,利用"惯容-弹簧-质量"系统的反共振现象,提出一种理想天棚阻尼的被动实现方法.将这种方法应用于车辆悬架,建立悬架的半车模型,分析悬架系统的频响特性,从理论上检验理想天棚阻尼被动实现方法的正确性与有效性.结果表明,被动天棚阻尼悬架改善了车辆的低频频响特性,有效抑制了车身垂直和俯仰振动,提高了车辆的乘坐舒适性,实现了理想天棚阻尼悬架的主要功能.

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