主要讲述工业上最经典的闭环控制，PID控制系统，以及PID控制算法的C语言实现方式。-Focuses on the industry' s most classic closed-loop control, PID control system, as well as PID control algorithm C language implementation.

用于温度控制的PID程序，用c语言编写而成，在试验应用中比较可靠，已经调试过-PID temperature control for the procedure, by using c language, the application of the test more reliable, has been testing