完全操作的机器人手的非线性控制使用高阶滑动模式和反线性化控制器
Asra Sarwat1, Wenjie Lu1, Maryam Iqbal2
1Department of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen, University Town, China.
PloS one
|October 17, 2025
概括
一个新的高级全驱动滑动模式控制器 (HOFA-SMC) 改善了假肢手的控制. 这种先进的滑动模式控制 (SMC) 为假肢设备提供了卓越的稳定性和稳定性,提高了用户的移动性.
科学领域:
- 机器人和控制系统 机器人和控制系统
- 生物医学工程 生物医学工程
- 机械电子学是什么意思 机械电子学
背景情况:
- 假肢设备由于用户的残疾而面临复杂的负载.
- 现有的控制方法与系统的不确定性和非线性作斗争.
- 滑动模式控制 (SMC) 容易发生喋喋不休.
研究的目的:
- 为了引入一款新的高级全驱动滑动模式控制器 (HOFA-SMC).
- 为了增强强性并减轻假肢手控制中的喋喋不休.
- 与现有控制器相比,以确保稳定性和更高的性能.
主要方法:
- 使用比例整体 (PI) 框架开发HOFA-SMC.
- 使用Lyapunov理论对HOFA-SMC和反线性化控制器 (FLC) 的稳定性分析.
- 一个基于Python的4指,3指DOF假肢手模型的模拟.
主要成果:
- HOFA-SMC显示了快速的轨迹收 (在0.2秒内).
- 在不同的不确定性条件下,控制器表现出强大的性能.
- 在轨迹跟踪和稳定性方面,HOFA-SMC的表现优于传统的SMC和FLC.
结论:
- HOFA-SMC在假肢手的控制方面提供了显著的改进.
- 拟议的控制器有效地应对不确定性和非线性方面的挑战.
- 这种进步提高了假肢设备的可靠性和性能.
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