期刊文献+

基于动态摩擦补偿的两自由度机器人分解加速度控制研究 被引量:1

Research on the Resolved Acceleration Control of 2-DOF Robot Based on the Dynamic Friction Compensation
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摘要 针对笛卡尔坐标系下机器人的末端执行器的轨迹跟踪问题,将分解加速度控制补偿理论应用到机器人的控制补偿中,提出了基于LuGre摩擦模型的摩擦观测器,仿真计算验证了所提出的LuGre模型观测器的正确性和分解加速度控制的有效性。对比基于库仑摩擦模型和LuGre摩擦模型补偿的机械手末端执行器的轨迹跟踪效果,得出了基于LuGre摩擦模型的控制对理论轨迹的逼近程度要好于经典的库仑摩擦模型,为机器人的相关研究提供参考。 The trajectory tracking of the end effector of 2-DOF robot in the Cartesian coordinate is implemented by using the resolved acceleration control method.The observer for the unmeasured internal state z is proposed for the friction compensation based on the LuGre friction model.The simulation results indicate that the observer is correct.Through comparisons,the trajectory tracking results obtained by the compensation based on the LuGre friction model agree with the theoretical values better than that based on the Coulomb friction model.
出处 《机械科学与技术》 CSCD 北大核心 2012年第1期24-28,共5页 Mechanical Science and Technology for Aerospace Engineering
基金 陕西省科技计划项目(2010JQ7003) 陕西省教育厅项目(2010JK701和11JK0858)资助
关键词 摩擦补偿 分解加速度控制 机器人 LuGre 库仑 friction compensation resolved acceleration control robot LuGre Coulomb
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参考文献11

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二级参考文献103

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