基于序列输出信息的预测控制,用于事件触发的网络控制系统
Haritha Mittapally1, Sandip Ghosh1, Shyam Kamal1
1Department of Electrical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India.
ISA transactions
|January 26, 2024
概括
本研究介绍了网络控制系统 (NCS) 的新事件触发方案,该方案传输顺序输出数据. 这种方法提高了状态观察和控制性能,尽管网络延迟和数据丢失.
科学领域:
- 控制工程 控制工程 控制工程
- 网络化系统 网络化系统
- 信号处理 信号处理
背景情况:
- 网络控制系统 (NCS) 中的事件触发旨在通过最小化数据传输来优化网络使用.
- 传输输出数据,而不是估计状态,可以减少数据包的大小,但由于延迟而使状态观察复杂化.
- 现有的基于观察者的预测方案因延迟输出信息造成的性能下降而扎.
研究的目的:
- 开发一个改进的NCS事件触发计划,以提高国家观察员的表现.
- 通过提出一种新的顺序输出传输方法,解决NCS中延迟输出信息的挑战.
- 调查该方案在控制物理系统中的应用,如倒置和直流电机.
主要方法:
- 一个顺序观察器的设计是为了利用连续的输出信息进行更准确的状态估计.
- 一个预测方案被纳入,以补偿因事件触发,网络延迟和数据丢失而产生的延迟.
- 事件触发适用于反和前通道,以进一步降低网络负载.
主要成果:
- 拟议的顺序输出传输方案显著提高了国家国家船上观测者的表现.
- 综合预测方案有效地减轻了延迟和停机对系统控制的负面影响.
- 在一个倒置的摆形和一个直流电机系统上的实验验证证明了该方法的实际有效性.
结论:
- 顺序输出传输策略为提高NCS控制性能提供了实用和有效的解决方案.
- 这种方法在网络带宽有限和通信不确定性的场景中尤其有利.
- 这项研究强调了先进的观察员和预测技术在NCS设计中具有强大的潜力.
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