长时间延迟的化学过程的混合控制框架:理论和实验
Antonio Di Teodoro1, Marco Herrera1, Luis Rincon1
1Colegio de Ciencias e Ingenierías "El Politécnico", Universidad San Francisco de Quito USFQ, Quito 170157, Ecuador.
ACS omega
|August 5, 2024
概括
本研究介绍了一种混合控制框架,使用内部模型概念,滑动模式控制 (SMC) 和对于具有延迟的非线性系统的分数顺序计算. 这种新的方法提高了系统的稳定性和强度,通过模拟和实际的Arduino应用来证明这一点.
科学领域:
- 控制工程 控制工程 控制工程
- 非线性系统动态 非线性系统动态
- 分数顺序计算 分数顺序计算
背景情况:
- 传统的控制方法与表现出显著时间延迟的非线性系统作斗争.
- 提高过渡响应和期限流程的稳定性仍然是一个挑战.
- 整合内部模型概念与滑动模式控制提供了提高性能的潜力.
研究的目的:
- 提出一个混合控制框架,结合内部模型概念,滑动模式控制 (SMC) 和分数顺序计算.
- 开发一个改进的史密斯预测器 (SP),适用于具有大量延迟的非线性系统.
- 为了增强控制器的短暂响应和稳定性,用于截止时间流程.
主要方法:
- 一个修改后的史密斯预测器 (SP) 是设计的,它结合了分数顺序的概念.
- 预测方法与滑动模式控制 (SMC) 控制器集成.
- 一个动态滑动模式控制器是通过结合预测和分数顺序元素来制定的.
主要成果:
- 数字模拟证明了在步骤变化,外部干扰和参数不确定性下拟议的控制器的性能.
- 在TCLab Arduino套件上的现实应用程序显示出很好的性能,与最小的聊天.
- 控制器在干扰拒绝过程中表现出积极的反应,增加了超越,表明需要进行参数调整.
结论:
- 拟议的混合分数顺序滑动模式控制器有效地管理具有延迟的非线性系统.
- 控制器证明了对模型不匹配和外部干扰的稳定性.
- 建议进一步优化调整参数,以在特定场景中完善性能和控制器操作.
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