Compliant Control of Quadruped Robots for Assistive Load Carrying

Fuente: arXiv
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Auteurs principaux: Khandelwal, Nimesh, Manu, Amritanshu, Gupta, Shakti S., Kothari, Mangal, Krishnamurthy, Prashanth, Khorrami, Farshad
Format: Preprint
Publié: 2025
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author Khandelwal, Nimesh
Manu, Amritanshu
Gupta, Shakti S.
Kothari, Mangal
Krishnamurthy, Prashanth
Khorrami, Farshad
author_facet Khandelwal, Nimesh
Manu, Amritanshu
Gupta, Shakti S.
Kothari, Mangal
Krishnamurthy, Prashanth
Khorrami, Farshad
contents This paper presents a novel method for assistive load carrying using quadruped robots. The controller uses proprioceptive sensor data to estimate external base wrench, that is used for precise control of the robot's acceleration during payload transport. The acceleration is controlled using a combination of admittance control and Control Barrier Function (CBF) based quadratic program (QP). The proposed controller rejects disturbances and maintains consistent performance under varying load conditions. Additionally, the built-in CBF guarantees collision avoidance with the collaborative agent in front of the robot. The efficacy of the overall controller is shown by its implementation on the physical hardware as well as numerical simulations. The proposed control framework aims to enhance the quadruped robot's ability to perform assistive tasks in various scenarios, from industrial applications to search and rescue operations.
format Preprint
id arxiv_https___arxiv_org_abs_2503_10401
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Compliant Control of Quadruped Robots for Assistive Load Carrying
Khandelwal, Nimesh
Manu, Amritanshu
Gupta, Shakti S.
Kothari, Mangal
Krishnamurthy, Prashanth
Khorrami, Farshad
Robotics
Systems and Control
This paper presents a novel method for assistive load carrying using quadruped robots. The controller uses proprioceptive sensor data to estimate external base wrench, that is used for precise control of the robot's acceleration during payload transport. The acceleration is controlled using a combination of admittance control and Control Barrier Function (CBF) based quadratic program (QP). The proposed controller rejects disturbances and maintains consistent performance under varying load conditions. Additionally, the built-in CBF guarantees collision avoidance with the collaborative agent in front of the robot. The efficacy of the overall controller is shown by its implementation on the physical hardware as well as numerical simulations. The proposed control framework aims to enhance the quadruped robot's ability to perform assistive tasks in various scenarios, from industrial applications to search and rescue operations.
title Compliant Control of Quadruped Robots for Assistive Load Carrying
topic Robotics
Systems and Control
url https://arxiv.org/abs/2503.10401