基于Policy Gradient的机械臂运动跟踪控制器参数整定
O231.2; 针对机械臂运动跟踪控制器的参数自整定问题,设计了一种基于强化学习Policy Gradient法的参数整定器.首先,介绍了机械臂的一种混合动力学模型,根据该系统模型进行了比例-微分(proportional-derivative,PD)控制器设计和李雅普诺夫稳定性证明,并由此给出了参数矩阵的范围.其次,设计了基于Policy Gradient的参数整定器,通过引入积分器的方法对其进行改进,使其控制下的参数行为连续化以进一步提高PD控制器的控制效果.最后,以二阶机械臂系统为例进行了仿真验证.实验数据证明了该参数整定器的有效性和可行性,并能有效提升系统的动态性能....
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Published in | 系统工程与电子技术 Vol. 43; no. 9; pp. 2605 - 2611 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
空军工程大学装备管理与无人机工程学院,陕西西安710051
01.09.2021
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Subjects | |
Online Access | Get full text |
ISSN | 1001-506X |
DOI | 10.12305/j.issn.1001-506X.2021.09.29 |
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Abstract | O231.2; 针对机械臂运动跟踪控制器的参数自整定问题,设计了一种基于强化学习Policy Gradient法的参数整定器.首先,介绍了机械臂的一种混合动力学模型,根据该系统模型进行了比例-微分(proportional-derivative,PD)控制器设计和李雅普诺夫稳定性证明,并由此给出了参数矩阵的范围.其次,设计了基于Policy Gradient的参数整定器,通过引入积分器的方法对其进行改进,使其控制下的参数行为连续化以进一步提高PD控制器的控制效果.最后,以二阶机械臂系统为例进行了仿真验证.实验数据证明了该参数整定器的有效性和可行性,并能有效提升系统的动态性能. |
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AbstractList | O231.2; 针对机械臂运动跟踪控制器的参数自整定问题,设计了一种基于强化学习Policy Gradient法的参数整定器.首先,介绍了机械臂的一种混合动力学模型,根据该系统模型进行了比例-微分(proportional-derivative,PD)控制器设计和李雅普诺夫稳定性证明,并由此给出了参数矩阵的范围.其次,设计了基于Policy Gradient的参数整定器,通过引入积分器的方法对其进行改进,使其控制下的参数行为连续化以进一步提高PD控制器的控制效果.最后,以二阶机械臂系统为例进行了仿真验证.实验数据证明了该参数整定器的有效性和可行性,并能有效提升系统的动态性能. |
Author | 宋仕元 韩霖骁 贺子厚 张鹏 胡剑波 王应洋 |
AuthorAffiliation | 空军工程大学装备管理与无人机工程学院,陕西西安710051 |
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Author_FL | SONG Shiyuan HAN Linxiao HU Jianbo WANG Yingyang ZHANG Peng HE Zihou |
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DocumentTitle_FL | Parameter tuning of manipulator motion tracking controller based on Policy Gradient |
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Title | 基于Policy Gradient的机械臂运动跟踪控制器参数整定 |
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