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非单一的快速预定义时间收滑动模式控制用于建筑机器人
Chun-Wu Yin1, Yun-Peng Ding1, Hou-Jun Sun2
1College of Information and Control Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi 710055, China.
ISA transactions
|April 16, 2025
概括
本研究介绍了一种新的控制策略,用于施工机器人从任何起始角度准确追踪所需的轨迹. 该方法确保了精确的角度跟踪,并减少了控制扭矩的喋喋不休.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 控制系统工程 控制系统工程
- 机械工程 机械工程
背景情况:
- 建筑机器人需要精确的轨迹跟踪来完成复杂的任务.
- 现有的控制方法与任意的初始条件作斗争,并确保快速收.
- 控制扭矩喋喋不休是机器人控制中的一个持续的问题.
研究的目的:
- 为工程机器人开发一个强大的控制策略,以实现完整而准确的轨迹跟踪.
- 为不确定的机器人动态设计具有预定义时间收的滑动模式控制器.
- 为了解决机器人轨迹跟踪中任意初始值的挑战.
主要方法:
- 对建筑机器人轨迹跟踪控制特征的分析.
- 建议扩展所需轨迹控制策略,包括到达和精确跟踪阶段.
- 使用改进的非单一快速滑动模式表面和一种新的稳定性标准,设计了一个预定义的时间收滑动模式控制器.
- 整合一个国家观察员加强控制.
主要成果:
- 拟议的算法在指定的时间内实现了角度跟踪错误的趋同到零.
- 证明了原始所需轨迹的完整和准确跟踪.
- 实现了 0.0004 rad 的角度跟踪误差,代表了 33% 的精度改进.
- 成功地缓解了控制扭矩喋喋不休的问题.
结论:
- 开发的控制策略有效地使建筑机器人能够准确地跟踪所需的轨迹,无论初始条件如何.
- 预定义的时间收滑动模式控制器为不确定的机器人系统提供了卓越的性能和稳定性.
- 这些发现有助于提高自动化建筑操作的精度和效率.
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