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本文讨论了如何运用PID算法实现对电流源输出电流的调整与控制,该电流源在闭环电路的基础上使用PID算法实现对电流的精确控制,来得到高精度、宽量程的电流输出,这种方法设计的电流源性能稳定、带负载能力强。系统主要介绍了电流源的整个软件设计流程及PID控制电流的算法程序的介绍。
This article discusses how to use the PID algorithm to realize the current source output current adjustment and control, the current source in the closed-loop circuit based on the use of PID algorithm to achieve precise control of current to get high-precision, wide-range current output, this The current source designed by the method has stable performance and strong load capacity. The system mainly introduces the whole software design flow of current source and the introduction of algorithm program of PID control current.