In the present invention, the motion state of the wearable motion-assist device 10-1 of the doctor 1 is sent to the wearable motion-assist device 10-2 of the patient 2 via a network. Then, this motion state is applied to the wearable motion-assist device 10-2 of the patient 2, so that rehabilitation is conducted for the patient 2. Furthermore, the motion state of the wearable motion-assist device 10-2 of the patient 2 is sent from the wearable motion-assist device 10-2 to the wearable motion-assist device 10-1. Then, the motion state of the wearable motion-assist device 10-2 is applied to the wearable motion-assist device 10-1. Accordingly, the doctor 1 can objectively sense the state of the patient 2.

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In the present invention, the motion state of the wearable motion-assist device 10-1 of the doctor 1 is sent to the wearable motion-assist device 10-2 of the patient 2 via a network. Then, this motion state is applied to the wearable motion-assist device 10-2 of the patient 2, so that rehabilitation is conducted for the patient 2. Furthermore, the motion state of the wearable motion-assist device 10-2 of the patient 2 is sent from the wearable motion-assist device 10-2 to the wearable motion-assist device 10-1. Then, the motion state of the wearable motion-assist device 10-2 is applied to the wearable motion-assist device 10-1. Accordingly, the doctor 1 can objectively sense the state of the patient 2.

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A lower extremity exoskeleton includes: at least one power unit; two leg supports designed to rest on the ground; two knee joints configured to allow flexion and extension between respective shank and thigh links of the leg supports; an exoskeleton trunk rotatably connectable to the leg supports; and two hip actuators configured to create torques between the exoskeleton trunk and the leg supports. In use, the hip actuators create a torque to move the leg supports backward relative to the exoskeleton trunk during a stance phase, which pushes the exoskeleton trunk forward. A second torque may be used to move the leg supports forward relative to the exoskeleton trunk into a swing phase. Additionally, a swing torque may be generated during the swing phase to move the leg support forward relative to the exoskeleton trunk. This results in decreased oxygen consumption and heart rate of a user wearing the exoskeleton.

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An exoskeleton bracing system includes: a trunk support for affixing to the trunk of a disabled person and leg braces for connecting to the legs of the person, each leg brace including limb segment braces. Motorized joints are adapted to provide relative angular movement between the limb segment braces of the leg braces and between the leg braces and the trunk support. One or more ground force sensors are designed to sense ground force exerted on each of the leg braces. The system also includes a controller for receiving sensed signals from said one or more ground force sensors, with an algorithm for identifying a stance from the sensed signals and, based on the identified stance, actuating the motorized joints to perform an action relating to a mode of locomotion selected from a set of predefined actions corresponding to the identified stance.

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An actuator subsystem preferably for a robot or bionic linkage. A joint between two robotic or bionic members includes at least first and second actuators such as piston-cylinder assemblies connected between the members. A hydraulic circuit includes a sensor subsystem for sensing the magnitude of the load on the piston-cylinder assemblies and/or members. A fluid supply system includes an actuatable control valve operable to supply fluid to one or both piston-cylinder assemblies. A control circuit is responsive to the sensor and is configured to electronically control the fluid subsystem to supply fluid to the first piston-cylinder assembly when the sensor subsystem senses a load below a predetermined magnitude and to supply fluid to both piston-cylinder assemblies when the sensor subsystem senses a load above the predetermined magnitude.

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