Search Results for author: Alexandre Didier

Found 6 papers, 0 papers with code

Predictive stability filters for nonlinear dynamical systems affected by disturbances

no code implementations20 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.

Model Predictive Control

Approximate Predictive Control Barrier Functions using Neural Networks: A Computationally Cheap and Permissive Safety Filter

no code implementations28 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.

Autonomous Driving

Generalised Regret Optimal Controller Synthesis for Constrained Systems

no code implementations15 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.

A System Level Approach to Regret Optimal Control

no code implementations28 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.

Adaptive Model Predictive Safety Certification for Learning-based Control -- Extended Version

no code implementations27 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.

Robust Adaptive Model Predictive Control of Quadrotors

no code implementations26 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.

Model Predictive Control

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