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Personne :
Cardou, Philippe

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Cardou

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Philippe

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Université Laval. Département de génie mécanique

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ncf11860327

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  • PublicationAccès libre
    Improving the forward kinematics of cable-driven parallel robots through cable angle sensors
    (Springer, 2018-07-06) Cardou, Philippe; Gosselin, Clément; Campeau-Lecours, Alexandre; Garant, Xavier
    This paper presents a sensor fusion method that aims at improving the accuracy of cable-driven planar parallel mechanisms (CDPMs) and simplifying the kinematic resolution. While the end-effector pose of the CDPM is usually obtained with the cable lengths, the proposed method combines the cable length measurement with the cable angle by using a data fusion algorithm. This allows for a resolution based on the loop closure equations and a weighted least squares method. The paper first presents the resolution of the forward kinematics for planar parallel mechanisms using cable angle only. Then, the proposed sensor fusion scheme is detailed. Finally, an experiment comparing the different procedures for obtaining the pose of the CDPM is carried out, in order to demonstrate the efficiency of the proposed fusion method.