期刊文献+

间隙旋转铰接触碰撞自适应检测算法 被引量:2

Adaptive Detection for Contact-Impact of Revolute Clearance Joint
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摘要 间隙旋转铰销轴和轴套间存在碰撞接触、分离两种相对运动状态。为检测不同运动状态,将间隙铰两状态模型细化为两状态3阶段模型(接触-临界-分离),基于间隙矢量法和运动学关系构造接触碰撞检测条件,提出了3阶段自适应变步长检测算法。将检测算法用于含间隙铰曲柄连杆机构动力学分析,获得了间隙铰动力学响应,接触碰撞阶段运动特性呈现剧烈波动,分离阶段则连续光滑变化。 Two relative motions of contact and separation exist between the journal and bear-ing of the clearance joint.To detect different motion states,the two-state model of clearance joint is refined to a two-state/three-stage model.Detection conditions of contact-impact are expressed with vector clearance and kinematics relations.An adaptive variable step detection algorithm is proposed and applied to dynamically analyze the crank and connecting rod mechanism with clear-ance joint.Finally,clearance joint dynamics response is obtained.
作者 午丽娟
出处 《上海电机学院学报》 2014年第5期249-253,共5页 Journal of Shanghai Dianji University
基金 国家自然科学基金项目资助(10804071) 上海电机学院科研启动经费资助(14QD01)
关键词 间隙 接触碰撞 自适应 动力学响应 clearance contact-impact adaptive dynamic response
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参考文献14

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