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Robust Trajectory Planning with Parametric Uncertainties

Pascal Brault 1 Quentin Delamare 1 Paolo Robuffo Giordano 1 
1 RAINBOW - Sensor-based and interactive robotics
Inria Rennes – Bretagne Atlantique , IRISA-D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE
Abstract : In this paper we extend the previously introduced notion of closed-loop state sensitivity by introducing the concept of input sensitivity and by showing how to exploit it in a trajectory optimization framework. This allows to generate an optimal reference trajectory for a robot that minimizes the state and input sensitivities against uncertainties in the model parameters, thus producing inherently robust motion plans. We parametrize the reference trajectories with Béziers curves and discuss how to consider linear and nonlinear constraints in the optimization process (e.g., input saturations). The whole machinery is validated via an extensive statistical campaign that clearly shows the interest of the proposed methodology.
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https://hal.inria.fr/hal-03260768
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Submitted on : Tuesday, June 15, 2021 - 10:49:58 AM
Last modification on : Friday, April 8, 2022 - 4:04:03 PM
Long-term archiving on: : Thursday, September 16, 2021 - 6:25:47 PM

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  • HAL Id : hal-03260768, version 1

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Pascal Brault, Quentin Delamare, Paolo Robuffo Giordano. Robust Trajectory Planning with Parametric Uncertainties. ICRA 2021 - IEEE International Conference on Robotics and Automation, May 2021, Xi'an, China. pp.11095-11101. ⟨hal-03260768⟩

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