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柔性机械臂的状态观测及跟踪控制研究

周鑫林 李光 肖凡

周鑫林, 李光, 肖凡. 柔性机械臂的状态观测及跟踪控制研究[J]. 机械科学与技术, 2018, 37(7): 1027-1033. doi: 10.13433/j.cnki.1003-8728.2018.0705
引用本文: 周鑫林, 李光, 肖凡. 柔性机械臂的状态观测及跟踪控制研究[J]. 机械科学与技术, 2018, 37(7): 1027-1033. doi: 10.13433/j.cnki.1003-8728.2018.0705
Zhou Xinlin, Li Guang, Xiao Fan. Research on State Observation and Tracking Control of Flexible Manipulators[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(7): 1027-1033. doi: 10.13433/j.cnki.1003-8728.2018.0705
Citation: Zhou Xinlin, Li Guang, Xiao Fan. Research on State Observation and Tracking Control of Flexible Manipulators[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(7): 1027-1033. doi: 10.13433/j.cnki.1003-8728.2018.0705

柔性机械臂的状态观测及跟踪控制研究

doi: 10.13433/j.cnki.1003-8728.2018.0705
基金项目: 

湖南省自然科学基金项目(2018JJ4079)资助

详细信息
    作者简介:

    周鑫林(1992-),硕士研究生,研究方向为柔性机械臂建模和控制研究,zhouxinlin806@163.com

    通讯作者:

    李光,教授,硕士生导师,liguanguw@126.com

Research on State Observation and Tracking Control of Flexible Manipulators

  • 摘要: 提出一种基于非线性状态观测器的输入输出控制策略,实现了平面运动多连杆柔性机械臂的关节角跟踪控制和弹性振动的抑制。应用拉格朗日法建立柔性机械臂的动力学模型。基于欧拉-伯努利梁理论,采用有限维度的假设模态描述机械臂的弹性振动。通过重新定义机械臂末端处的输出变量,运用输入输出线性化方法,设计反馈控制器实现了对关节角的控制;以非线性观测器获得弹性振动幅值的变化率,以此构建了振动抑制控制器。通过李雅普诺夫定理证明了设计的非线性观测器的稳定性和误差一致收敛性,引入遗传算法对振动抑制控制器的增益实现了整定,仿真结果证明了提出的控制方法的有效性。
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出版历程
  • 收稿日期:  2017-08-03
  • 刊出日期:  2018-07-05

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