arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2201.02044eess.SYcs.SY
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定点递阶控制中快速NMPC和深度学习方法的研究

Investigation of fast-NMPC and deep learning approach in fixed-point-based hierarchical control

Xuan-Huy Pham, Mazen Alamir, François Bonne

摘要:

本文探讨了一些变化的分层控制框架,最近提出的。该框架专用于控制互连子系统的网络,例如描述低温过程或发电厂的子系统。最近的调查表明,处理约束和非线性可能会挑战的实时可行性的方法。本文研究并结合两个成功的方向,即使用截断快速梯度和基于深度神经网络的控制器建模,以减少最关键子系统的计算时间。它还表明,通过这样做,控制更新周期可以大大减少和闭环性能大大提高。因此,本文可以被看作是一个具体的实施和验证的一些关键思想,在实时分布式NMPC设计。所有的概念进行了验证,使用现实的和具有挑战性的例子,现实生活中的低温制冷机。

英文摘要:

This paper explores some variations of a hierarchical control framework that has been recently proposed. The framework is dedicated to control a network of interconnected subsystems such as the ones describing cryogenic processes or power plants. Recent investigations showed that handling constraints and nonlinearities might challenge the real-time feasibility of the approach. This paper investigates and combine two successful directions, namely, the use of truncated fast gradient and deep neural networks based controller modeling in order to reduce the computation time of the most critical subsystem. It is also shown that by doing so, the control updating period can be drastically reduced and the closed-loop performances highly improved. The paper can therefore be seen as a concrete implementation and validation of some key ideas in real-time distributed NMPC design. All the concepts are validated using the realistic and challenging example of real-life cryogenic refrigerator.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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