人体表面肌电信号采集系统地研究.pdf

  本文关键词：人体表面肌电信号采集系统的研究，由笔耕文化传播整理发布。

人体表面肌电信号采集系统的研究 RESEARCH OF SURFACE ELECTROMYOGRAPHY COLLECTION SYSTEM ABSTRACT It has become the main key to rehabilitation engineering technology when the research and development on EMG grow rapidly. Surface EMG is a kind of biological electricity which transfers under the surface skin when muscle Activities.Inside, it contains a lot of information about muscle movements. This paper researches and designs the EMG Surface electromyography collection system, in order to achieve the purpose of EMG collected accurately. According to the characteristics of EMG signal and the study of collection system, it designs a kind of good EMG collection system by the software simulation and noise controling. The main content and innovations are shown as follows: 1. Myoelectric signal extraction It achieves the ability to extract weak EMG smoothly into the collection system by extraction EMG using surface electrodes and design the circle using INA128 chip and peripheral circuits. 2. The design of myoelectric signal amplification filter circuit The EMG signal filtering circuit is the key of collection system. According to EMG amplitude-frequency characteristics and the impact of the outside, it designs the better filtering circuits, particularly in the design of a new type of 50Hz frequency circuits which can be satisfactorily resolve 50 Hz frequency noise. 3. The design of true RMS circuit The true RMS circle can rectify EMG signal waveform to facilitate EMG observations but also to achieve to deal EMG with SCM in the future. 4. Myoelectric signal data display In order to collect the EMG signal completly and accuratly and displayed on the computer.The paper verificats the system's hardware by the software simulation and displays the E

  本文关键词：人体表面肌电信号采集系统的研究，由笔耕文化传播整理发布。