Search Results for author: Dirk Wollherr

Found 15 papers, 0 papers with code

Minimal Constraint Violation Probability in Model Predictive Control for Linear Systems

no code implementations16 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.

Model Predictive Control

Combining Belief Function Theory and Stochastic Model Predictive Control for Multi-Modal Uncertainty in Autonomous Driving

no code implementations1 Feb 2024 Tommaso Benciolini, Yuntian Yan, Dirk Wollherr, Marion Leibold

Therefore, the measure of reliability of the estimation provided by Belief Function Theory is used in the design of collision-avoidance safety constraints, in particular to increase safety when the intention of traffic participants is not clear.

Autonomous Driving Collision Avoidance +2

Sampling-based Stochastic Data-driven Predictive Control under Data Uncertainty

no code implementations1 Feb 2024 Johannes Teutsch, Sebastian Kerz, Dirk Wollherr, Marion Leibold

We present a stochastic output-feedback data-driven predictive control scheme for linear time-invariant systems subject to bounded additive disturbances and probabilistic chance constraints.

LEMMA

Optimal Control for Indoor Vertical Farms Based on Crop Growth

no code implementations14 Sep 2023 Annalena Daniels, Michael Fink, Marion Leibold, Dirk Wollherr, Senthold Asseng

Vertical farming allows for year-round cultivation of a variety of crops, overcoming environmental limitations and ensuring food security.

Offline Uncertainty Sampling in Data-driven Stochastic MPC

no code implementations6 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.

Safe Stochastic Model Predictive Control

no code implementations13 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.

Model Predictive Control

MITI: SLAM Benchmark for Laparoscopic Surgery

no code implementations23 Feb 2022 Regine Hartwig, Daniel Ostler, Jean-Claude Rosenthal, Hubertus Feußner, Dirk Wilhelm, Dirk Wollherr

We propose a new benchmark for evaluating stereoscopic visual-inertial computer vision algorithms (SLAM/ SfM/ 3D Reconstruction/ Visual-Inertial Odometry) for minimally invasive surgical (MIS) interventions in the abdomen.

3D Reconstruction

Data-driven tube-based stochastic predictive control

no code implementations8 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.

LEMMA Model Predictive Control

Grid-Based Stochastic Model Predictive Control for Trajectory Planning in Uncertain Environments

no code implementations24 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.

Autonomous Driving Model Predictive Control +1

Minimization of Constraint Violation Probability in Model Predictive Control

no code implementations3 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.

Model Predictive Control

Combined Robust and Stochastic Model Predictive Control for Models of Different Granularity

no code implementations14 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.

Collision Avoidance Model Predictive Control

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