摘要
研制一种基于嵌入式技术的便携式表面肌电信号采集仪,以ARM7微处理器AT91SAM7SE512为核心,包含肌电采集放大、A/D转换、带触摸屏的液晶显示、USB有线传输、Xbee无线传输、数据存储等多个组成部分。采用μC/OS-Ⅱ操作系统和基于μC/GUI的图形化界面,性能稳定,操作简便。为了方便用户资料及肌电数据的管理,移植了FATFS文件系统。低功耗和微型化设计提高了设备的便携性,有利于提高表面肌电信号采集仪在运动员训练中的使用率。
A design of surface electromyography（sEMG）acquisition instrument based on embedded technology is proposed. The instrument equips AT91SAM7SES12 microprocessor as its main controller, contains many other components such as sEMG amplifiers, AD convertors, LCD display with touch screen, USB cable transmission, Xbee wireless transmission and data storage device. It utilizes the μC/OS-Ⅱ operating system and μC/GUI,and has stable performance and friendly operating interface. At the same time, for convenience of the user data and sEMG data management, FATFS file system is transplanted. The design of low power consumption and miniaturization improves portability of the equipment and it is beneficial to increase the utilization rate of sEMG acquisition instruments in the athletes training.
出处
《现代电子技术》
2010年第6期55-57,64,共4页
Modern Electronics Technique
