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A HIL simulator of Flexible-link Mechanisms

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Abstract

The aim of this paper is to develop a Hardware-In-the-Loop (HIL) simulator of flexible-link mechanisms. The core of the simulator is a highly accurate FEM nonlinear dynamic model of planar mechanisms. The accuracy of the proposed simulator is proved by comparing the response of the virtual model with the response of the real mechanism by using the same real controller. Results are provided by the use of classical controllers real-time capability of the dynamic model is guaranteed by a symbolic manipulation of the equations that describe the mechanism, in order to avoid the numerical inversion of the large mass matrix of the system. This HIL simulator is a valuable tool for the tuning of closed-loop control strategies for this class of mechanisms, since it allows to reduce the safety risks and the time needed to fine tune the real-time controller parameters.

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Authors and Affiliations

  1. DIEGM, University of Udine, Via delle Scienze 208, 33100, Udine, Italy

    Paolo Boscariol, Alessandro Gasparetto & Vanni Zanotto

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  1. Paolo Boscariol
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  2. Alessandro Gasparetto
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  3. Vanni Zanotto
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Correspondence to Vanni Zanotto.

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Boscariol, P., Gasparetto, A. & Zanotto, V. A HIL simulator of Flexible-link Mechanisms. J Intell Robot Syst 64, 427–446 (2011). https://doi.org/10.1007/s10846-011-9547-7

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  • DOI: https://doi.org/10.1007/s10846-011-9547-7

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