基于IMC的修改后的史密斯预测器,用于RHP的二次延迟主导过程
1Department of Applied Electronics and Instrumentation Engineering, Haldia Institute of Technology, Haldia, West Bengal, India.
ISA transactions
|August 23, 2023
概括
一个新的修改后的史密斯预测器 (MSP) 为不稳定的二阶过程提供了更好的控制. 这种先进的控制方案确保了更快的响应,没有超越,更好的干扰排斥.
科学领域:
- 过程控制 过程控制
- 控制工程 控制工程 控制工程
- 自动化系统 自动化系统
背景情况:
- 由于右半平面极,二次延迟主导的过程往往表现出不稳定性.
- 这些系统中的不稳定行为需要强大的控制策略来实现可靠的操作.
研究的目的:
- 提出一个修改后的史密斯预测器 (MSP) 与内部模型控制 (IMC) 基于调整,以加强不稳定的二阶延迟主导过程的控制.
- 改进设定点跟踪和干扰排斥能力.
主要方法:
- 拟议的控制方案整合了一个前进路径与PI/PID控制器和一个延迟波器,以及一个PD控制器的反路径.
- 内部模型控制 (IMC) 使用单个调参数用于前进路径控制器设计.
- 罗斯稳定性标准用于调整反路径控制器.
主要成果:
- 修改后的史密斯预测器 (MSP) 展示了快速的设定点,没有超越.
- 该计划提供了平稳的干扰排斥,优于最近的MSP计划.
- 使用标准性能指数和稳定性边缘验证了卓越的闭环性能.
结论:
- 拟议的IMC调整的MSP提供了一个强大而有效的解决方案,用于控制具有挑战性的二级延迟主导的流程.
- 控制方案在速度,稳定性和干扰排斥方面实现了增强的性能.
- 这种方法为不稳定的系统提供了相对于现有的MSP技术的显著改进.
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