The block diagram of the system software that the soft start-up and the variable parameters PI control is realized with assemble language 80c196 according with sampling period is given out.
同时，给出了以80c 196汇编语言实现的，根据采样周期进行软启动或变参数PI控制的软件程序框图。
The DSP realizes functions of sampling, PI regulation, communication and so on to digitally control the excitation current of arc-suppression coil with magnetic bias.
DSP主要完成采样、PI调节和通信等，实现偏磁式消弧线圈励磁电流的数字控制。
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