Abstract
We propose a computationally efficient approach for estimating sets of torques arising from inverse uncertain-dynamics of robot manipulators. Our proposed algorithm is based on the use of interval arithmetic computations within a recursive Newton-Euler algorithm for inverse dynamics. The set-based operations are here introduced considering uncertain dynamics parameters as well as uncertain linear/angular accelerations, and uncertain angular velocities of the base of the robot. We present numerical results that verify the tightness of the estimated torque sets and the computational efficiency of our proposed approach.
A. Giusti and C. Nainer—Contributed equally to this work.
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Acknowledgement
This work was supported by the Research Südtirol/Alto Adige grant for the project Reconfigurable Collaborative Agri-Robots (RECOARO) with CUP I52F20000300005. We would like to thank Simone Garbin for performing the measurements with the Clearpath Husky A200 at Fraunhofer Italia.
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Giusti, A., Nainer, C. (2022). Inverse Uncertain-Dynamics of Robot Manipulators Using Interval Arithmetic. In: Niola, V., Gasparetto, A., Quaglia, G., Carbone, G. (eds) Advances in Italian Mechanism Science. IFToMM Italy 2022. Mechanisms and Machine Science, vol 122. Springer, Cham. https://doi.org/10.1007/978-3-031-10776-4_76
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