Passive Obstacle Aware Control to Follow Desired Velocities

Fuente: arXiv
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Main Authors: Huber, Lukas, Trinca, Thibaud, Slotine, Jean-Jacques, Billard, Aude
Format: Preprint
Published: 2024
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author Huber, Lukas
Trinca, Thibaud
Slotine, Jean-Jacques
Billard, Aude
author_facet Huber, Lukas
Trinca, Thibaud
Slotine, Jean-Jacques
Billard, Aude
contents Evaluating and updating the obstacle avoidance velocity for an autonomous robot in real-time ensures robustness against noise and disturbances. A passive damping controller can obtain the desired motion with a torque-controlled robot, which remains compliant and ensures a safe response to external perturbations. Here, we propose a novel approach for designing the passive control policy. Our algorithm complies with obstacle-free zones while transitioning to increased damping near obstacles to ensure collision avoidance. This approach ensures stability across diverse scenarios, effectively mitigating disturbances. Validation on a 7DoF robot arm demonstrates superior collision rejection capabilities compared to the baseline, underlining its practicality for real-world applications. Our obstacle-aware damping controller represents a substantial advancement in secure robot control within complex and uncertain environments.
format Preprint
id arxiv_https___arxiv_org_abs_2405_05669
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Passive Obstacle Aware Control to Follow Desired Velocities
Huber, Lukas
Trinca, Thibaud
Slotine, Jean-Jacques
Billard, Aude
Robotics
Systems and Control
Evaluating and updating the obstacle avoidance velocity for an autonomous robot in real-time ensures robustness against noise and disturbances. A passive damping controller can obtain the desired motion with a torque-controlled robot, which remains compliant and ensures a safe response to external perturbations. Here, we propose a novel approach for designing the passive control policy. Our algorithm complies with obstacle-free zones while transitioning to increased damping near obstacles to ensure collision avoidance. This approach ensures stability across diverse scenarios, effectively mitigating disturbances. Validation on a 7DoF robot arm demonstrates superior collision rejection capabilities compared to the baseline, underlining its practicality for real-world applications. Our obstacle-aware damping controller represents a substantial advancement in secure robot control within complex and uncertain environments.
title Passive Obstacle Aware Control to Follow Desired Velocities
topic Robotics
Systems and Control
url https://arxiv.org/abs/2405.05669