Distributionally Robust Stochastic Data-Driven Predictive Control with Optimized Feedback Gain

Fuente: arXiv
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Main Authors: Li, Ruiqi, Simpson-Porco, John W., Smith, Stephen L.
Format: Preprint
Published: 2024
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author Li, Ruiqi
Simpson-Porco, John W.
Smith, Stephen L.
author_facet Li, Ruiqi
Simpson-Porco, John W.
Smith, Stephen L.
contents We consider the problem of direct data-driven predictive control for unknown stochastic linear time-invariant (LTI) systems with partial state observation. Building upon our previous research on data-driven stochastic control, this paper (i) relaxes the assumption of Gaussian process and measurement noise, and (ii) enables optimization of the gain matrix within the affine feedback policy. Output safety constraints are modelled using conditional value-at-risk, and enforced in a distributionally robust sense. Under idealized assumptions, we prove that our proposed data-driven control method yields control inputs identical to those produced by an equivalent model-based stochastic predictive controller. A simulation study illustrates the enhanced performance of our approach over previous designs.
format Preprint
id arxiv_https___arxiv_org_abs_2409_05727
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Distributionally Robust Stochastic Data-Driven Predictive Control with Optimized Feedback Gain
Li, Ruiqi
Simpson-Porco, John W.
Smith, Stephen L.
Systems and Control
We consider the problem of direct data-driven predictive control for unknown stochastic linear time-invariant (LTI) systems with partial state observation. Building upon our previous research on data-driven stochastic control, this paper (i) relaxes the assumption of Gaussian process and measurement noise, and (ii) enables optimization of the gain matrix within the affine feedback policy. Output safety constraints are modelled using conditional value-at-risk, and enforced in a distributionally robust sense. Under idealized assumptions, we prove that our proposed data-driven control method yields control inputs identical to those produced by an equivalent model-based stochastic predictive controller. A simulation study illustrates the enhanced performance of our approach over previous designs.
title Distributionally Robust Stochastic Data-Driven Predictive Control with Optimized Feedback Gain
topic Systems and Control
url https://arxiv.org/abs/2409.05727