no code implementations • 16 Feb 2024 • Michael Fink, Tim Brüdigam, Dirk Wollherr, Marion Leibold
This is achieved by first determining a set of inputs that minimize the probability of constraint violation.
no code implementations • 4 Oct 2023 • Alexandre Capone, Tim Brüdigam, Sandra Hirche
Solving chance-constrained stochastic optimal control problems is a significant challenge in control.
no code implementations • 6 Apr 2023 • Johannes Teutsch, Sebastian Kerz, Tim Brüdigam, Dirk Wollherr, Marion Leibold
In this work, we exploit an offline-sampling based strategy for the constrained data-driven predictive control of an unknown linear system subject to random measurement noise.
no code implementations • 13 Apr 2022 • Tim Brüdigam, Robert Jacumet, Dirk Wollherr, Marion Leibold
In this work, we propose a safety algorithm that is compatible with any stochastic Model Predictive Control method for linear systems with additive uncertainty and polytopic constraints.
no code implementations • 8 Dec 2021 • Sebastian Kerz, Johannes Teutsch, Tim Brüdigam, Dirk Wollherr, Marion Leibold
A powerful result from behavioral systems theory known as the fundamental lemma allows for predictive control akin to Model Predictive Control (MPC) for linear time invariant (LTI) systems with unknown dynamics purely from data.
no code implementations • 18 Aug 2021 • Tim Brüdigam, Daniel Prader, Dirk Wollherr, Marion Leibold
Horizon length and model accuracy are defining factors when designing a Model Predictive Controller.
no code implementations • 1 Jul 2021 • Tommaso Benciolini, Tim Brüdigam, Marion Leibold
For motion optimization, we propose to use a two-stage hierarchical structure that plans the trajectory and the maneuver separately.
no code implementations • 15 Jun 2021 • Tim Brüdigam, Jie Zhan, Dirk Wollherr, Marion Leibold
Model Predictive Control (MPC) has shown to be a successful method for many applications that require control.
1 code implementation • 28 Jan 2021 • Tim Brüdigam
This brief introduction to Model Predictive Control specifically addresses stochastic Model Predictive Control, where probabilistic constraints are considered.
no code implementations • 20 Sep 2020 • Tim Brüdigam, Michael Olbrich, Dirk Wollherr, Marion Leibold
Automated vehicles require efficient and safe planning to maneuver in uncertain environments.
no code implementations • 24 Jul 2020 • Tim Brüdigam, Fulvio di Luzio, Lucia Pallottino, Dirk Wollherr, Marion Leibold
Then, the probabilistic grid is transformed into a binary grid of admissible and inadmissible cells by applying a threshold, representing a risk parameter.
no code implementations • 3 Jun 2020 • Tim Brüdigam, Victor Gaßmann, Dirk Wollherr, Marion Leibold
We propose a novel Model Predictive Control scheme that yields a solution with minimal constraint violation probability for a norm constraint in an environment with uncertainty.
no code implementations • 14 Mar 2020 • Tim Brüdigam, Johannes Teutsch, Dirk Wollherr, Marion Leibold
We therefore propose combining RMPC on a detailed model for short-term predictions and Stochastic MPC (SMPC), with chance constraints, on a simplified model for long-term predictions.