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Communication Dans Un Congrès Année : 2017

Walking on Gravel with Soft Soles using Linear Inverted Pendulum Tracking and Reaction Force Distribution

Résumé

Soft soles absorb impacts and cast ground un-evenness during locomotion on rough terrains. However, they introduce passive degrees of freedom (deformations under the feet) that complexify the tasks of state estimation and overall robot stabilization. We address this problem by developing a control loop that stabilizes humanoid robots when walking with soft soles on flat and uneven terrain. Our closed-loop controller minimizes the errors on the center of mass (COM) and the zero moment point (ZMP) with an admittance control of the feet based on a simple deformation estimator. We demonstrate its effectiveness in real experiments on the HRP-4 humanoid.
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Dates et versions

hal-01576516 , version 1 (23-08-2017)

Identifiants

Citer

Adrien Pajon, Stéphane Caron, Giovanni de Magistris, Sylvain Miossec, Abderrahmane Kheddar. Walking on Gravel with Soft Soles using Linear Inverted Pendulum Tracking and Reaction Force Distribution. Humanoids, Nov 2017, Birmingham, United Kingdom. pp.432-437, ⟨10.1109/HUMANOIDS.2017.8246909⟩. ⟨hal-01576516⟩
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