基于被动分解的多发动机的强大的同步运动控制和实验验证
1School of Mechanical and Automotive Engineering, Kunsan National University, Gunsan-si 54150, Republic of Korea.
Sensors (Basel, Switzerland)
|September 9, 2023
概括
本研究介绍了多发动机系统的强大的同步控制策略,即使在不确定性的情况下,也确保了精确的运动控制. 被动分解方法有效地减少了各种应用中的跟踪和同步错误.
科学领域:
- 工程 工程师 工程师 工程师
- 控制系统 控制系统
- 机器人技术 机器人技术 机器人技术
背景情况:
- 汽车,建筑和工业工程中的冗余设计需要对多个电机进行精确的同步运动控制.
- 现有的控制策略经常在多发动机系统中与参数不确定性和外部干扰作斗争.
研究的目的:
- 为多发动机系统提出一种基于被动分解的新,强大的同步控制策略.
- 为了保证每个电机的边界跟踪和同步错误,即使在干扰下.
- 为任意数量的电机开发一种普遍适用的控制框架.
主要方法:
- 使用被动分解技术将原始系统分成锁定和形状子系统.
- 为每个子系统设计了一个具有强大的补偿的滑动模式控制系统.
- 高级的滑动模式控制和单独的补偿条款提高了系统对不确定性和干扰的稳定性.
主要成果:
- 拟议的策略确保跟踪和同步误差在正弦波轨迹下小于1度,在梯形轨迹下小于1.5度.
- 对2/3/4轮无刷直流 (BLDC) 电机的实验验证证明了有效性,即使有显著的死区效应.
- 控制策略在性能和稳定性方面表现出优于主-奴隶和独立控制方案的优势.
结论:
- 基于被动分解的强大的同步控制策略提供了精确可靠的多发动机同步.
- 该方法具有多功能性,适用于需要协调电机控制的各种工程领域.
- 增强的稳固性确保在各种轨迹和电机配置中保持一致的性能.
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