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软体机械臂水下自适应鲁棒视觉伺服

徐璠 王贺升

徐璠, 王贺升. 软体机械臂水下自适应鲁棒视觉伺服. 自动化学报, 2023, 49(4): 744−753 doi: 10.16383/j.aas.c200457
引用本文: 徐璠, 王贺升. 软体机械臂水下自适应鲁棒视觉伺服. 自动化学报, 2023, 49(4): 744−753 doi: 10.16383/j.aas.c200457
Xu Fan, Wang He-Sheng. Adaptive robust visual servoing control of a soft manipulator in underwater environment. Acta Automatica Sinica, 2023, 49(4): 744−753 doi: 10.16383/j.aas.c200457
Citation: Xu Fan, Wang He-Sheng. Adaptive robust visual servoing control of a soft manipulator in underwater environment. Acta Automatica Sinica, 2023, 49(4): 744−753 doi: 10.16383/j.aas.c200457

软体机械臂水下自适应鲁棒视觉伺服

doi: 10.16383/j.aas.c200457
基金项目: 国家自然科学基金(62073222, 61722309)资助
详细信息
    作者简介:

    徐璠:上海交通大学电子信息与电气工程学院自动化系博士研究生. 主要研究方向为软体机器人和视觉伺服. E-mail: xufan_1993@sjtu.edu.cn

    王贺升:上海交通大学电子信息与电气工程学院自动化系教授. 主要研究方向为视觉伺服, 服务机器人, 机器人控制, 自动驾驶. 本文通信作者. E-mail: wanghesheng@sjtu.edu.cn

Adaptive Robust Visual Servoing Control of a Soft Manipulator in Underwater Environment

Funds: Supported by National Natural Science Foundation of China (62073222, 61722309)
More Information
    Author Bio:

    XU Fan Ph.D. candidate in the Department of Automation, School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University. Her research interest covers soft robot and visual servoing

    WANG He-Sheng Professor in the Department of Automation, School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University. His research interest covers visual servoing, service robot, robot control, and autonomous driving. Corresponding author of this paper

  • 摘要: 水下仿生软体机器人在水底环境勘测, 水下生物观测等方面具有极高的应用价值. 为进一步提升仿章鱼臂软体机器人在特殊水下环境中控制效果, 提出一种自适应鲁棒视觉伺服控制方法, 实现其在干扰无标定环境中的高精度镇定控制. 基于水底动力学模型, 设计保证动力学稳定的控制器; 针对柔性材料离线标定过程繁琐、成本高, 提出材料参数自适应估计算法; 针对水下特殊工作条件, 设计自适应鲁棒视觉伺服控制器, 实现折射效应的在线补偿, 并通过自适应未知环境干扰上界, 避免先验环境信息的求解. 所提算法在软体机器人样机中验证其镇定控制性能, 为仿生软体机器人的实际应用提供理论基础.
  • 图  1  原型样机简图

    Fig.  1  Depiction of the prototype

    图  2  水下相机模型

    Fig.  2  Underwater camera model

    图  3  控制器简图

    Fig.  3  Block diagram of the controller

    图  4  实验设置

    Fig.  4  Experiment setup

    图  5  图像误差收敛过程曲线

    Fig.  5  Converging process of image error

    图  6  图像轨迹曲线

    Fig.  6  Image trajectory curve

    图  7  3D轨迹曲线

    Fig.  7  3D trajectory curve

    图  8  ${\hat {\boldsymbol{\chi}} _D}$中未知参数$\hat E$和未知干扰上界$\hat \theta $的收敛过程曲线

    Fig.  8  Converging process of estimated parameters $\hat E $ in ${\hat {\boldsymbol{\chi}} _D}$ and of unknown interference upper bound $\hat \theta $

    图  9  ${\hat {\boldsymbol{\chi}} _C}$中未知参数的收敛过程曲线

    Fig.  9  Converging process of estimated parameters in ${\hat {\boldsymbol{\chi}} _C}$

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出版历程
  • 收稿日期:  2020-06-24
  • 网络出版日期:  2020-12-21
  • 刊出日期:  2023-04-20

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