no code implementations • 20 Jan 2024 • Alexandre Didier, Andrea Zanelli, Kim P. Wabersich, Melanie N. Zeilinger
Predictive safety filters provide a way of projecting potentially unsafe inputs, proposed, e. g. by a human or learning-based controller, onto the set of inputs that guarantee recursive state and input constraint satisfaction by leveraging model predictive control techniques.
no code implementations • 28 Nov 2022 • Alexandre Didier, Robin C. Jacobs, Jerome Sieber, Kim P. Wabersich, Melanie N. Zeilinger
A predictive control barrier function (PCBF) based safety filter is a modular framework to verify safety of a control input by predicting a future trajectory.
no code implementations • 15 Nov 2022 • Alexandre Didier, Melanie N. Zeilinger
This paper presents a synthesis method for the generalised dynamic regret problem, comparing the performance of a strictly causal controller to the optimal non-causal controller under a weighted disturbance.
no code implementations • 28 Feb 2022 • Alexandre Didier, Jerome Sieber, Melanie N. Zeilinger
We present an optimisation-based method for synthesising a dynamic regret optimal controller for linear systems with potentially adversarial disturbances and known or adversarial initial conditions.
no code implementations • 27 Sep 2021 • Alexandre Didier, Kim P. Wabersich, Melanie N. Zeilinger
By continuously connecting the current system state with a safe terminal set using a robust tube, safety can be ensured.
no code implementations • 26 Feb 2021 • Alexandre Didier, Anilkumar Parsi, Jeremy Coulson, Roy S. Smith
To the best of our knowledge this is the first time that RAMPC has been applied in practice using a state space formulation.