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Intelligent control based on location-force model

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2014

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Gesellschaft für Informatik e.V.

Zusammenfassung

This article introduces a multi-posture locomotor training device (MPLTD)with a closed-loop control scheme based on joint-angle feedback, which is able to overcome varies difficulties resulting from mechanical vibration and the weight of trainer to achieve higher accuracy trajectory. By introducing the forcefield control scheme that used in the closed-loop control, the device can obtain the active-constrained mode including the passive one. The MPLTD is mainly composed of three systems: posture adjusting and weight support system, lower limb exoskeleton system, and control system, of which the lower limb exoskeleton system mainly includes the indifferent equilibrium mechanism with two degrees of freedom (DOF) and the driving torque is calculated by the Lagrangian function. In addition, a series of experiments-the weight support and the trajectory accuracy experiment demonstrate a good performance of mechanical structure and the closed-loop control.

Beschreibung

Sui, Jianfeng; Ji, Linhong (2014): Intelligent control based on location-force model. Informatik 2014. Bonn: Gesellschaft für Informatik e.V.. PISSN: 1617-5468. ISBN: 978-3-88579-626-8. pp. 2025-2030. Stuttgart. 22.-26. September 2014

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