The present invention provides a rehabilitation device using a walking assistance device (1) having an actuator which generates and provides torque to a lower limb joint of a wearer wearing the walking assistance device (1), comprising a floor reaction force pattern storing unit (330) configured to store a reference floor reaction force pattern; a control target floor reaction force setting unit (340) for determining a control target floor reaction force based on the floor reaction force pattern stored in the floor reaction force pattern storing unit (330); a target torque calculating unit (350) for calculating a target torque of the actuator to achieve the control target floor reaction force determined by the control target floor reaction force setting unit (340); and an actuator output controller (150) for controlling output of the actuator such that the actuator generates a torque matching the target torque calculated by the target torque calculating unit (350); wherein the floor reaction force that the wearer receives is increased and decreased by the application of torque generated by the actuator.

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Acquiring neural signals at high spatial and temporal resolution directly from brain microcircuits and decoding their activity to interpret commands and/or prior planning activity, such as motion of an arm or a leg, is a prime goal of modern neurotechnology. Its practical aims include assistive devices for subjects whose normal neural information pathways are not functioning due to physi-cal damage or disease. On the fundamental side, researchers are striving to decipher the code of multiple neural microcircuits which collectively make up nature’s amazing computing machine, the brain. By implanting biocompatible neural sensor probes directly into the brain, in the form of microelectrode arrays, it is now possible to extract information from interacting populations of neural cells with spatial and temporal resolution at the single cell level. With parallel advances in application of statistical and mathematical techniques tools for deciphering the neural code, extracted populations or correlated neurons, significant understanding has been achieved of those brain commands that control, e.g., the motion of an arm in a primate (monkey or a human subject). These developments are accelerating the work on neural prosthetics where brain derived signals may be employed to bypass, e.g., an injured spinal cord. One key element in achieving the goals for practical and versatile neural prostheses is the development of fully implantable wireless microelectronic Bbraininterfaces within the body, a point of special emphasis of this paper.

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В данной статье вы найдете краткое техническое описание проекта и большое кол-во фотографий лаборатории и экзоскелета Body Extender.

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Категория: Body Extender | 10 комментариев »

(EN)A wearing tool for measuring biological signals which measures biological signals from the body surface of a wearer. The wearing tool is provided with a wearing tool body which is formed so as to cover the body surface of the wearer therewith, biological signal detection means which are provided at predetermined sites on the inner surface of the wearing tool body and detect the biological signals from the body surface of the wearer, and signal transmission means which output the detection signals detected by the biological signal detection means.
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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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