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The ability to perform activities of daily living such as eating, drinking or writing is limited after a stroke. Rehabilitation is to encourage the recovery process and to define effective rehabilitation procedures, quantitative assessment should be included. Conventional assessment scales such as Fugl-Meyer and Motor Assessment Scale have several limitations as the scales are subjective, provide...
For decades remotely-operated vehicles (ROVs) have been designed and implemented in various size and shape. Among them, very small-sized ROV which is called micro ROV has the working range with tens of meters and takes the place of divers. In this paper, we develop a micro ROV operating not by umbilical cable which is troublesome for movements but by wireless acoustic communication. The micro wireless...
Due to the benefits of reusability and productivity, component-based approach has become the primary technology in service robot system development. However, because component developer cannot foresee the integration and operating condition of the components, they cannot provide appropriate fault tolerance function, which is crucial for commercial success of service robots. The recently proposed robot...
A new Rough-Fuzzy Controller is proposed to enhance the uncertainty reasoning process in control scheme in mobile robotics. The rough set theory and fuzzy logic system were utilized to calculate the `rough-fuzziness' for inputs from environments. The experimental results showed that the proposed rough-fuzzy controller performed better control behavior compared to other control methods in mobile robot...
In this paper, presented is an effective kinematic calibration method for serial robot manipulators which are six joints welding robots used by SHI (Samsung Heavy Industries). The robot endpoint's position and orientation are measured by the IGPS (indoor global positioning system). This paper capitalizes on the modified D-H (Denavit and Hartenberg) parameters for kinematic error modeling, and estimates...
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