Dynamical Properties of Safety Filters for Linear Systems and Affine Control Barrier Functions

Fuente: arXiv
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Main Authors: Mestres, Pol, Mousavi, Shima Sadat, Ames, Aaron D.
Format: Preprint
Published: 2026
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author Mestres, Pol
Mousavi, Shima Sadat
Ames, Aaron D.
author_facet Mestres, Pol
Mousavi, Shima Sadat
Ames, Aaron D.
contents This letter studies the dynamical properties of safety filters designed based on Control Barrier Functions (CBF). This mechanism, which is popular in safety-critical applications, takes a nominal controller and minimally modifies it to render it safe. Although CBF-based safety filters make the closed-loop system safe, characterizing their additional dynamical properties, such as stability, boundedness, or existence of spurious equilibria, remains a challenging problem. Here, we address this problem for the case of linear systems and an affine CBF constraint. We provide conditions under which the closed-loop system presents undesired equilibria, unbounded trajectories, or the origin is globally exponentially stable.
format Preprint
id arxiv_https___arxiv_org_abs_2603_17401
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Dynamical Properties of Safety Filters for Linear Systems and Affine Control Barrier Functions
Mestres, Pol
Mousavi, Shima Sadat
Ames, Aaron D.
Optimization and Control
This letter studies the dynamical properties of safety filters designed based on Control Barrier Functions (CBF). This mechanism, which is popular in safety-critical applications, takes a nominal controller and minimally modifies it to render it safe. Although CBF-based safety filters make the closed-loop system safe, characterizing their additional dynamical properties, such as stability, boundedness, or existence of spurious equilibria, remains a challenging problem. Here, we address this problem for the case of linear systems and an affine CBF constraint. We provide conditions under which the closed-loop system presents undesired equilibria, unbounded trajectories, or the origin is globally exponentially stable.
title Dynamical Properties of Safety Filters for Linear Systems and Affine Control Barrier Functions
topic Optimization and Control
url https://arxiv.org/abs/2603.17401