Browsing by Author "Donder A."

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    Discrete-time model based control of soft manipulator with FBG sensing
    (2023-01-01) Franco E.; Aktas A.; Treratanakulchai S.; Garriga-Casanovas A.; Donder A.; Rodriguez Y Baena F.; Mahidol University
    In this article we investigate the discrete-time model based control of a planar soft continuum manipulator with proprioceptive sensing provided by fiber Bragg gratings. A control algorithm is designed with a discrete-time energy shaping approach which is extended to account for control-related lag of digital nature. A discrete-time nonlinear observer is employed to estimate the uncertain bending stiffness of the manipulator and to compensate constant matched disturbances. Simulations and experiments demonstrate the effectiveness of the controller compared to a continuous time implementation.