Performance Evaluation of an Innovative Suspension System for Obstacle Crossing

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Performance Evaluation of an Innovative Suspension System for Obstacle Crossing

N’chot, Denis / Fauroux, Jean-Christophe / Al Bassit, Lama / Lenain, Roland / Vaslin, Philippe

Unmanned ground vehicles designed for exploring unstructured unknown environments usually move at very low speed because they can encounter different types of obstacles. For some tasks, however, they need to move faster, which increases the risk of tipping over and taking off the ground. This paper compares a new suspension, build with both vertical and longitudinal dampers (Susp-4D), to a classical vertical-only damping suspension (Susp-3D) through geometric and kinematic models, and experimental tests. The rover equipped with Susp-4D endured a lower deceleration from the shock with the obstacle, and lost less speed and less kinetic energy. The vehicle with Susp-4D did not pitch down against the obstacle, but rather pitched up, which should allow it to cross any obstacle easier than with a classical suspension.

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Document information

Title :

Performance Evaluation of an Innovative Suspension System for Obstacle Crossing

Additional title:

Lect. Notes in Networks, Syst.

Contributors:

Cascalho, José M. (editor) / Tokhi, Mohammad Osman (editor) / Silva, Manuel F. (editor) / Mendes, Armando (editor) / Goher, Khaled (editor) / Funk, Matthias (editor) / N’chot, Denis (author) / Fauroux, Jean-Christophe (author) / Al Bassit, Lama (author) / Lenain, Roland (author)

Conference:

Climbing and Walking Robots Conference ; 2022 ; Ponta Delgada, Portugal September 12, 2022 - September 14, 2022

Published in:

Robotics in Natural Settings ; Chapter : 12 ; 95-106

Lecture Notes in Networks and Systems ; 530

Publication date :

2022-08-25

Size :

12 pages

ISBN :

978-3-031-15226-9 , 978-3-031-15225-2

ISSN :