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Communication Dans Un Congrès Année : 2023

Multi-camera Visual Predictive Control Strategy for Mobile Manipulators

Résumé

This work aims at designing a visual predictive control (VPC) scheme for a mobile manipulator equipped with two cameras. The task consists in accurately positioning the endeffector camera while starting a few meters away from the desired pose with a tucked arm. Three challenges are addressed in this paper: the initial unavailability of the visual features, the arm singularities together with the closed-loop stability, and the final positioning accuracy. The first one is dealt with by choosing image features extracted from both cameras and by suitably switching between them, the second one is tackled through a suitable manipulability measure introduced in the cost function, and the two last ones are fulfilled via the definition of an enhanced terminal constraint. The proposed approach has been validated experimentally on TIAGo robot. The obtained results show its relevance and its efficiency.
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Dates et versions

hal-04199898 , version 1 (08-09-2023)

Identifiants

Citer

H. Bildstein, A. Durand-Petiteville, Viviane Cadenat. Multi-camera Visual Predictive Control Strategy for Mobile Manipulators. IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM), Jun 2023, Seattle (USA, United States. pp.476-482, ⟨10.1109/AIM46323.2023.10196125⟩. ⟨hal-04199898⟩
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