王言鑫, 纪鹏, 曾洪, 宋爱国, 吴常铖, 徐宝国, 李会军. 基于混合视线-脑机接口与共享控制的人-机器人交互系统[J]. 机器人, 2018, 40(4): 431-439. DOI: 10.13973/j.cnki.robot.180134
引用本文: 王言鑫, 纪鹏, 曾洪, 宋爱国, 吴常铖, 徐宝国, 李会军. 基于混合视线-脑机接口与共享控制的人-机器人交互系统[J]. 机器人, 2018, 40(4): 431-439. DOI: 10.13973/j.cnki.robot.180134
WANG Yanxin, JI Peng, ZENG Hong, SONG Aiguo, WU Changcheng, XU Baoguo, LI Huijun. A Human-Robot Interaction System Based on Hybrid GazeBrain-Machine Interface and Shared Control[J]. ROBOT, 2018, 40(4): 431-439. DOI: 10.13973/j.cnki.robot.180134
Citation: WANG Yanxin, JI Peng, ZENG Hong, SONG Aiguo, WU Changcheng, XU Baoguo, LI Huijun. A Human-Robot Interaction System Based on Hybrid GazeBrain-Machine Interface and Shared Control[J]. ROBOT, 2018, 40(4): 431-439. DOI: 10.13973/j.cnki.robot.180134

基于混合视线-脑机接口与共享控制的人-机器人交互系统

A Human-Robot Interaction System Based on Hybrid GazeBrain-Machine Interface and Shared Control

  • 摘要: 设计了一种基于混合视线-脑机接口与共享控制的人-机器人交互系统,以使得用户可通过视线和意念对机器人末端在2维空间进行连续的运动控制,并在避障和趋近目标的任务中获得机器智能的辅助.首先,按照用户运动意念的强度对机器人末端的运动速度大小进行等比例连续调节,以提高用户对机器人的控制感以及完成任务的参与性.然后,提出了机器人末端运动方向的一种共享控制策略,动态地融合基于视线追踪技术所得到的用户方向控制指令以及由机器人避障和趋近目标的行为设定所得到的机器人系统方向控制指令,自适应地调整机器人系统对用户的辅助力度,以减轻用户脑力负荷,提高任务完成成功率.最后,针对搭建的基于混合视线-脑机接口和共享控制的人-机器人交互平台,通过实验验证了所提系统的有效性.

     

    Abstract: A human-robot interaction system is designed with the hybrid gaze brain-machine interface and the shared control strategy, to make the user continuously control the robot end-effector in 2D space with his/her gaze and thought, meanwhile obtaining timely assistance from the machine intelligence in the task of avoiding obstacles and reaching target objects. Firstly, the movement speed of the robot end-effector is adjusted continuously and proportionally by the motor imagery strength of the user, in order to increase the user's sense of control and his/her engagement in the task. Next, a shared control strategy is proposed for controlling the movement direction of the robot end-effector, which dynamically fuses the direction commands from the user obtained by gaze tracking and from the robotic system for avoiding obstacles and reaching target objects. Such a shared control strategy adaptively adjusts the assist level for the user, so as to reduce the mental workload of the user and improve the success rate of completing the task. Finally, with respect to the constructed human-robot interaction system based on the hybrid gaze brain-machine interface and the shared control, experiments are conducted to verify its effectiveness.

     

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