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- W4387686992 abstract "This paper presents a novel approach to synthesizing positive invariant sets for unmodeled nonlinear systems using direct data-driven techniques. The data-driven invariant sets are used to design a data-driven reference governor that selects a reference for the closed-loop system to enforce constraints. Using kernel-basis functions, we solve a semi-definite program to learn a sum-of-squares Lyapunov-like function whose unity level-set is a constraint admissible positive invariant set, which determines the constraint admissible states as well as reference inputs. Leveraging Lipschitz properties of the system, we prove that tightening the model-based design ensures robustness of the data-driven invariant set to the inherent plant uncertainty in a data-driven framework. To mitigate the curse-of-dimensionality, we repose the semi-definite program into a linear program. We validate our approach through two examples: First, we present an illustrative example where we can analytically compute the maximum positive invariant set and compare with the presented data-driven invariant set. Second, we present a practical autonomous driving scenario to demonstrate the utility of the presented method for nonlinear systems." @default.
- W4387686992 created "2023-10-17" @default.
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- W4387686992 date "2023-10-12" @default.
- W4387686992 modified "2023-10-18" @default.
- W4387686992 title "Data-driven Invariance for Reference Governors" @default.
- W4387686992 doi "https://doi.org/10.48550/arxiv.2310.08679" @default.
- W4387686992 hasPublicationYear "2023" @default.
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