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柔性基、柔性关节空间机械臂的动力学与改进奇异摄动控制

陈志勇 张婷婷

陈志勇, 张婷婷. 柔性基、柔性关节空间机械臂的动力学与改进奇异摄动控制[J]. 机械科学与技术, 2017, 36(7): 1005-1010. doi: 10.13433/j.cnki.1003-8728.2017.0704
引用本文: 陈志勇, 张婷婷. 柔性基、柔性关节空间机械臂的动力学与改进奇异摄动控制[J]. 机械科学与技术, 2017, 36(7): 1005-1010. doi: 10.13433/j.cnki.1003-8728.2017.0704
Chen Zhiyong, Zhang Tingting. Dynamics and Improved Singular Perturbation Control of Flexible-base and Flexible-joint Space Manipulator[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(7): 1005-1010. doi: 10.13433/j.cnki.1003-8728.2017.0704
Citation: Chen Zhiyong, Zhang Tingting. Dynamics and Improved Singular Perturbation Control of Flexible-base and Flexible-joint Space Manipulator[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(7): 1005-1010. doi: 10.13433/j.cnki.1003-8728.2017.0704

柔性基、柔性关节空间机械臂的动力学与改进奇异摄动控制

doi: 10.13433/j.cnki.1003-8728.2017.0704
基金项目: 

国家自然科学基金项目(11502052,11372073)、福建省中青年教师教育科研项目(JA14045)、福建省高端装备制造协同创新中心资助项目(00205006103)及福州大学科技发展基金项目(2013-XY-13)资助

详细信息
    作者简介:

    陈志勇(1984-),讲师,博士,研究方向为空间机器人动力学与控制、多体系统动力学,chenzhiyong0203@foxmail.com

Dynamics and Improved Singular Perturbation Control of Flexible-base and Flexible-joint Space Manipulator

  • 摘要: 采用线性伸缩弹簧、线性扭转弹簧来分别描述基座及关节柔性,并在此基础上经由线动量守恒原理、拉格朗日第二类建模方法,建立了姿态受控柔性基、柔性关节空间机械臂的动力学模型。将柔性补偿思想与奇异摄动理论相融合,推导了可分别表示系统刚性运动、基座与关节柔性运动的慢、快变子系统,并提出一种由协调运动慢变控制和基于高阶快变状态观测器的最优控制所组成的改进奇异摄动控制方案。与传统奇异摄动控制方案相比,所提改进控制方案可有效避免对系统高阶快变状态量进行实时地测量和反馈,且可适于具有较大关节柔性的柔性基、柔性关节空间机械臂的控制。仿真实验结果表明了所提方案在轨迹跟踪控制、基座与关节柔性振动抑制上的有效性。
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出版历程
  • 收稿日期:  2016-03-09
  • 刊出日期:  2017-07-05

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