Importance

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Abstract

The present disclosure relates to an upper limb multi-joint impedance measurement method and an apparatus using the same. An upper limb multi-joint impedance measurement apparatus includes an upper limb end connector connected to an end of an upper limb of a subject, a driver configured to drive the upper limb end connector so that the upper limb end connector applies perturbations to the end of the upper limb of the subject, a measurement controller configured to provide the driver with a control signal for the perturbations, a force sensor configured to detect a magnitude of a perturbation force applied to the end of the upper limb of the subject by the upper limb end connector, a position sensor configured to detect a variation of a position of the upper limb end connector according to the applied perturbations, an impedance calculator configured to calculate a mechanical impedance of the upper limb of the subject by using force data and position data indicating the detected magnitude of the force and the detected variation of the position, and an impedance output unit configured to output an output signal indicating a value of the calculated mechanical impedance.

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First Claim