Electrical stimulation muscle electric inducing feedback control method and device for stabilizing output of muscle electric prosthetic hand strength
A feedback control, prosthetic hand technology, applied in the direction of prosthesis, application, diagnostic recording/measurement, etc., can solve problems such as changing the grasping strength or state of the prosthetic hand, inability to accurately adjust the grip strength, and unfavorable use of the prosthetic hand. Quick response, eliminating perception and processing links, and improving the effect of processing speed
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[0028] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0029] Such as figure 1 As shown, the structure diagram of an electric stimulation-induced myoelectric feedback control device for stabilizing the output of myoelectric prosthetic hand force provided by the present invention, the system obtains the surface electromyography signal through the acquisition electrode 1 arranged on the residual limb of the user's forearm, via The myoelectric signal acquisition circuit 4 detects the surface myoelectric signal of the user's residual limb in real time; the comparison circuit 5 including a microcontroller analyzes and processes the collected surface myoelectric signal and extracts the characteristic value, and judges the user's myoelectric activity level according to the comparison characteristic value Whether there is a decline, the microcontroller can be processors such as single-chip microcompute...
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