对于具有周期性规格的系统,重复动态矩阵控制
Tito L M Santos1, Daniel M Lima2, Julio E Normey-Rico3
1Departamento de Engenharia Elétrica e de Computação (DEEC), Universidade Federal da Bahia (UFBA), Rua Aristides Novis, 02, Federação, Salvador-BA, Brazil.
ISA transactions
|May 9, 2024
概括
本研究介绍了对具有周期性任务的系统的重复动态矩阵控制 (RDMC). RDMC算法有效地跟踪周期引用并拒绝干扰,提高控制系统性能.
科学领域:
- 控制工程 控制工程 控制工程
- 自动化系统 自动化系统
- 信号处理 信号处理
背景情况:
- 动态矩阵控制 (DMC) 被广泛用于过程控制.
- 现有的控制方法与需要精确追踪周期性参考和拒绝周期性干扰的系统作斗争.
- 开放循环的不稳定系统对重复控制提出了独特的挑战.
研究的目的:
- 为具有周期规格的系统提出一种新的重复动态矩阵控制 (RDMC) 算法.
- 扩展通用DMC (GDMC) 用于对开放循环不稳定的系统进行重复控制.
- 开发数据驱动的过器设计,以确保在有周期性干扰的情况下实现零稳定状态误差.
主要方法:
- 拟议的RDMC使用修改后的预测误差来跟踪周期引用并拒绝干扰.
- 开发了一种重复的GDMC来处理开放循环不稳定的系统.
- 控制策略仅依赖于步骤响应系数,保持DMC的建模简单性.
- 一个数据驱动过器的设计是为了保证零预测稳定状态错误.
主要成果:
- 该RDMC算法成功跟踪周期性引用,并拒绝重复的干扰.
- 重复的GDMC变种可以控制开环不稳定的系统.
- 拟议的方法证明了在确保周期性干扰时稳定状态误差为零方面的有效性.
- 案例研究证实了RDMC方法的有用性,并说明了它的权衡.
结论:
- 对于重复控制应用,RDMC是DMC的有效扩展.
- 拟议的方法为具有周期规范的系统提供了强大的解决方案,包括不稳定的系统.
- 数据驱动的过器设计增强了周期信号的干扰排斥能力.
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