混合控制的MISO系统有延迟的延迟
José F Sáez1, Alfonso Baños1, Aurelio Arenas2
1Dpto. Informática y Sistemas, Universidad de Murcia 30100 Murcia, Spain.
ISA transactions
|April 21, 2025
概括
本研究介绍了一种混合控制策略,使用PI+CI控制器和reset-and-hold方法来消除复杂系统中的超越. 先进的混合控制方法保持了对有时间延迟的线性时间不变装置的响应速度.
科学领域:
- 控制系统工程 控制系统工程
- 过程自动化 过程自动化
- 机械电子学是什么意思 机械电子学
背景情况:
- 线性和时间不变的控制系统具有固有的局限性.
- 现有的控制策略在多输入单输出系统中难以超速,时间延迟.
- 需要先进的控制方法来提高系统性能和稳定性.
研究的目的:
- 制定混合控制策略,以克服传统控制器的局限性.
- 实际上消除了多输入单输出 (MISO) 具有时间延迟的第一阶线性时间不变 (LTI) 工厂的超标.
- 为了保持响应速度,同时消除超速.
主要方法:
- 使用并行控制策略.
- 使用了一种混合增强的比例积分 (PI) 控制器,称为比例积分加Clegg集成器 (PI+CI) 控制器.
- 实施了一种新的混合控制方法:重置和保留策略.
主要成果:
- 成功消除了MISO第一阶段LTI工厂的超标,时间延迟.
- 保持了响应速度,超越了单输入系统和MISO系统的先前发现.
- 在试点工厂热交换机温度控制实例研究中证明有效性,用于食品加工.
结论:
- 拟议的混合控制策略,结合PI+CI和reset-and-hold,有效地解决了复杂系统中的超标问题.
- 这种方法提供了优越的性能,与现有的技术相比,用于具有时间延迟的MISO LTI工厂.
- 该方法通过在食品加工领域的实际应用得到了验证,突出了其工业相关性.
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