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Collision Avoidance in Model Predictive Control using Velocity Damper

Published in IEEE-ICRA - Submitted, in review, 2025

In this paper, we propose a method to include collision avoidance in the control of a manipulator robot based on a velocity damper model. This allows to account for approach velocity and permits collision avoidance for a wider spectrum of applications than classical avoidance methods. We implemented our method on a Panda robot to perform several comparisons. In this paper, I mainly contributed to writing the derivatives of the collision avoidance constraint with respect to the robot state and controls in order to use it in a DDP setting.

Recommended citation: Arthur Haffemayer, Armand Jordana, Ludovic de Matteis, Krzysztof Wojciechowski, Florent Lamiraux, et al.. Collision Avoidance in Model Predictive Control using Velocity Damper. 2024. https://gepettoweb.laas.fr/articles/haffemayer2025.html

Optimal Control of Closed Loop Walkers

Published in IEEE-ICRA - Submitted, in review, 2025

In this paper, we present a method for controlling robots with closed kinematic loops (such as parallel actuation). We propose to use a serial model - for instance based on an underlying main chain - and to use additionnal constraints to account for closures. We demonstrate the advatages of this method by comparing it to a classical simplified model of the robot on several motions (walk, jump, sidewalk, and climbing stairs).

Recommended citation: Ludovic de Matteis, Virgile Batto, Justin Carpentier, Nicolas Mansard. Optimal Control of Walkers with Parallel Actuation. 2024. https://gepettoweb.laas.fr/articles/ldematte_icra2025.html

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teaching

Advanced robotics

Undergraduate Course, IUT GEII, Université Paul Sabatier, 2024

Spring 2024 (First year PhD)

Advanced robotics

Undergraduate Course, IUT GEII, Université Paul Sabatier, 2025

Spring 2025 (Second year PhD)