The size and distribution of plantar pressure can reflect the structure and function of human leg, foot and information of whole body postion. Testing and analyzing of the foot stress play an important part in early diagnosis of children' s cerebral palsy, therefore, a plantar pressure distribution measurement system was developed and its value was evaluated. The system consists of hardware and software components. Hardware includes 12 FlexiForce film force sensors, signal conversion circuits, microcontroller acquisition circuit, and software mainly consists of real-time acquisition module, data storage module, data calculation and display module and other components.%足底压力的大小与分布能反映人体腿、足的结构和功能及整个身体姿势等信息.测试、分析足底应力,对小儿脑瘫的早期诊断具有重要意义.因此研制了一套足底压力分布测量系统并测评其应用价值.本系统由硬件和软件两个部分组成.系统硬件包括12个FlexiForce薄膜测力传感器、信号转换电路、51单片机采集电路；系统软件主要由实时采集模块、数据存储模块、数据计算分析和显示模块等组成.
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