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相关概念视频

Open and closed-loop control systems01:17

Open and closed-loop control systems

Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal and...

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相关实验视频

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An Experimental Platform to Study the Closed-loop Performance of Brain-machine Interfaces
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基于游戏理论的视觉阻抗控制用于人机交互.

Chengyi Wan1, Xia Liu1, Hai Yang1

  • 1School of Electrical Engineering and Electronic Information, Xihua University, Chengdu 610039, China.

ISA transactions
|September 12, 2025
PubMed
概括

本研究介绍了一种使用游戏理论的视力阻抗控制方法,以提高人机交互中的位置跟踪精度. 这种新的方法优化了控制力,与现有方法相比,大大减少了错误.

科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 控制系统 控制系统
  • 人与机器人的交互

背景情况:

  • 精确的位置跟踪在人机交互 (HRI) 系统中至关重要.
  • 多重复杂的力量可能会对跟踪精度产生负面影响.
  • 现有的控制方法在有效管理这些力量方面面临挑战.

研究的目的:

  • 为HRI系统提出一种新的视觉阻抗控制方法.
  • 为了应对多种力量对位置跟踪精度的影响.
  • 使用游戏理论开发一个最佳的阻抗控制器.

主要方法:

  • 利用视觉反和自适应阻抗定律来估计人机交互力.
  • 将位置错误转换为约束力,以保持输出位置限制.
  • 应用多方合作差分游戏算法来导出最佳阻抗控制器.
  • 使用Lyapunov函数证明位置误差的收.

主要成果:

  • 拟议的方法在HRI过程中灵活地调整最终效应器上的力比.
  • 在无传感器力估计和重复阻抗学习方法中,最终效应器位置的平均平方误差分别为7.7%和6.0%.
  • 与传统视觉方法相比,计算复杂性的明显减少.
关键词:
约束力强迫力是一种约束力.游戏理论 游戏理论人与机器人的交互位置跟踪 位置跟踪视觉反 视觉反 视觉反 视觉反

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Haptic/Graphic Rehabilitation: Integrating a Robot into a Virtual Environment Library and Applying it to Stroke Therapy
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SSVEP-based Experimental Procedure for Brain-Robot Interaction with Humanoid Robots
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  • 通过模拟和实验,在约束范围内验证了改进的跟踪准确性.

    • 结论:

    • 开发的视力阻抗控制方法有效地管理HRI中的多种力量.
    • 基于游戏理论的方法提高了位置跟踪的准确性,并减少了计算负载.
    • 这种方法为复杂的HRI场景提供了灵活和高效的解决方案.