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相关概念视频

Control Systems01:10

Control Systems

1.7K
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
1.7K
PD Controller: Design01:26

PD Controller: Design

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In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
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A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
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基于合规控制的辅助行走与移动操纵器

Weihua Li1,2,3, Pengpeng Li1, Lei Jin1

  • 1School of Automotive Engineering, Harbin Institute of Technology-Weihai, Weihai 264201, China.

Biomimetics (Basel, Switzerland)
|February 23, 2024
PubMed
概括

这项研究引入了一种移动操纵系统,以帮助有运动障碍的人走路. 它使用先进的控制器来实现更顺的人机交互,并优化配置以获得更安全,更有效的协助.

关键词:
有助于行走的步行器.符合标准的控制控制.模糊理论 模糊理论移动操纵器移动操纵器

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科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 人与机器人的交互
  • 辅助技术 辅助技术 辅助技术

背景情况:

  • 运动障碍显著影响生活质量.
  • 现有的辅助设备往往缺乏适应性和直观的控制.
  • 移动操纵器为先进的移动辅助提供了潜在的可能性.

研究的目的:

  • 开发和验证一款用于辅助行走的新型移动操纵系统.
  • 通过自适应控制策略来增强人机交互.
  • 优化移动操纵器的物理配置,以提供安全有效的协助.

主要方法:

  • 一个具有模糊逻辑的可变接入控制器,用于自适应参数调节.
  • 一个使用状态观察员来改善操纵器合规性的前速度补偿器.
  • 移动操纵器配置的零空间优化,考虑到奇点,力容量和引力诱导的变形.
  • 实现和测试集成的人机交互和零空间控制器.

主要成果:

  • 可变入口控制器成功地适应了相互作用力,并预测了人类运动意图.
  • 前进补偿器减少了操纵器惯性,提高了交互合规性.
  • 零空间优化解决了关键的配置约束.
  • 实验验证证明了在拟议的系统中辅助行走的可行性.

结论:

  • 开发的移动操纵系统及其控制策略是有效的,以协助有运动障碍的人在行走.
  • 适应性和合规性控制方法显著提高了人机交互的安全性和自然性.
  • 这项研究为更复杂的机器人解决方案在个人移动辅助领域铺平了道路.