Patent ID: 7785279

Claim:
A wearable action-assist device which assists or executes an action of a wearer by substituting for the wearer, comprising: an action-assist tool including an actuator which gives power to the wearer; a biosignal sensor detecting a biosignal from the wearer; a biosignal processing unit acquiring, from the biosignal detected by the biosignal sensor, a nerve transfer signal for operating a muscular line skeletal system of the wearer, and a myoelectricity signal accompanied with a muscular line activity of the wearer; a control unit generating a command signal for causing the actuator to generate power according to an intention of the wearer, by using the nerve transfer signal and the myoelectricity signal which are acquired by the biosignal processing unit; and a driving current generating unit generating a current according to the nerve transfer signal and a current according to the myoelectricity signal, respectively, based on the command signal generated by the control unit, to supply the respective currents to the actuator, wherein the biosignal processing unit comprises: a unit which amplifies the biosignal; a first filter which extracts the nerve transfer signal from the biosignal; and a second filter which extracts the myoelectricity signal from the biosignal.