In this paper, a temperature control system for electrical heating furnace, using variable sampling period and variable structure is proposed.

本文提出一种采用变采样周期、变结构的电阻炉温度控制系统。

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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。

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