Various embodiments of a biological interface system and related methods are disclosed. The system may comprise a sensor comprising a plurality of electrodes for detecting multicellular signals emanating from one or more living cells of a patient and a processing unit configured to receive the multicellular signals from the sensor and process the multicellular signals to produce a processed signal. The processing unit may be configured to transmit the processed signal to a controlled device that is configured to receive the processed signal. The system is configured to perform an integrated patient training routine to generate one or more system configuration parameters that are used by the processing unit to produce the processed signal.

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Various embodiments of an ambulation system and a movement assist system are disclosed. For example, an ambulation system for a patient may comprise a biological interface apparatus and an ambulation assist apparatus. The biological interface apparatus may comprise a sensor having a plurality of electrodes for detecting multicellular signals, a processing unit configured to receive the multicellular signals from the sensor, process the multicellular signals to produce a processed signal, and transmit the processed signal to a controlled device. The ambulation assist apparatus may comprise a rigid structure configured to provide support between a portion of the patient’s body and a surface. Data may be transferred from the ambulation assist apparatus to the biological interface apparatus.

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An apparatus and method for transferring energy from an internal combustion engine to drive a load. The system includes a rapid response component, a valve system and an actuator. The rapid response component is configured to be operatively coupled to a combustion portion of the internal combustion engine. The rapid response component is also configured to draw a portion of energy from the combustion in the internal combustion engine and transfer the portion of energy as a fluid including pulsitile fluid flow. The valve system is operatively coupled to the rapid response component and is operable to receive and controllably direct the pulsitile fluid flow from the rapid response component. The actuator is operatively coupled to the valve system and is configured to be operatively coupled to the load. The actuator operates to receive the fluid from the valve system to drive the load operatively coupled thereto.

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An operating status of a motor in a drive unit is analyzed to extend the life of the motor. A wearable motion assistive device 1 includes a shoulder joint mechanism 5 and an elbow joint mechanism 6 for aiding a movement of the shoulder joint and the elbow joint, and a control unit 100 having a control circuit for controlling drive units 11 for the shoulder and elbow joint mechanisms 5 and 6. The control unit 100 controls the drive units 11 based on a physical quantity and a biosignal detected by an angle sensor, a torque sensor, and a biosignal detecting sensor. A controller in the drive unit 11 includes a motor monitoring unit for monitoring an operational status of the motor, and a motor control unit for limiting a drive signal supplied to the motor based on a monitoring result provided by the motor monitoring unit, in order to prevent an overload state of the motor.

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Devices and methods which store and selectively release relatively substantial amounts of energy for enabling individuals to undertake superior performance in locomotion and other physical activities. The different embodiments include a hyperelastic SMA element which stores and releases energy in a differential pulley set, in a hinged knee, and in a pogo stick.

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