Abstract
Robot-mediated rehabilitation is rapidly advancing field. However, robots that are used for rehabilitation purposes are usually single task oriented. This paper presents the design of a universal haptic device (UHD) for arm and wrist rehabilitation. The essence of the developed device is in mechanical design, which enables the re habilitation of the upper limb in two different modes; “ARM” amd “WRIST” mode. By simple mechanical reconfiguration it is possible to switch between both modes, which enables gradual rehabilitation of complete upper limb. Device is actuated by 2 DOF haptic drive based on Series Elastic Actuation (SEA). The performance of the developed robot and impedance controller were tested in different regimes of operation: simulation of empty space and “high impedance” simulation. The result show that the developed haptic device may be used in robot assisted rehabilitation.Keywordsrehabilitation roboticsstrokefunctional restorationhaptics
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