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arXiv 2505.03482eess.SYcs.SYmath.OC
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基于学习的同态管模型预测控制

Learning-based Homothetic Tube MPC

Imperial College London(帝国理工学院);University of Stuttgart(斯图加特大学);Linköping University(林雪平大学);University of Oxford(牛津大学)

Yulong Gao, Shuhao Yan, Jian Zhou, Mark Cannon

AI总结:

本文提出一种基于学习的同态管MPC方法,通过在线学习近似未知扰动集,实现对线性系统在有界扰动和混合约束下的有效控制。

摘要:

本文研究了受有界加性扰动和状态与输入混合约束的离散时间线性系统中的同态管模型预测控制(MPC)。与大多数现有鲁棒MPC研究不同,我们假设真实的扰动集是未知的,但可以提前获得一个保守的替代品。利用实时数据,我们开发了一个在线学习算法来近似真实的扰动集。此近似和对应的MPC优化中的约束通过计算方便的线性规划在线更新。我们基于统计间隙讨论了同态管MPC问题的概率递归可行性。提供了数值模拟以展示所提算法的有效性,并与最先进的MPC算法进行比较。

英文摘要:

In this paper, we study homothetic tube model predictive control (MPC) of discrete-time linear systems subject to bounded additive disturbance and mixed constraints on the state and input. Different from most existing work on robust MPC, we assume that the true disturbance set is unknown but a conservative surrogate is available a priori. Leveraging the real-time data, we develop an online learning algorithm to approximate the true disturbance set. This approximation and the corresponding constraints in the MPC optimisation are updated online using computationally convenient linear programs. We provide statistical gaps between the true and learned disturbance sets, based on which, probabilistic recursive feasibility of homothetic tube MPC problems is discussed. Numerical simulations are provided to demonstrate the efficacy of our proposed algorithm and compare with state-of-the-art MPC algorithms.

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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