【摘要】 介绍了一种自整定ＰＩＤ控制系统。它采用数字触发可控硅技术，可以自动算出ＰＩＤ控制器的参数。电路简单、可靠，可以得出较为准确的参数。实验结果证明，该系统能达到较好的控制效果。更多还原

【Abstract】 An autotuning system of PID control is designed.In this system ,the digital technology is adopted to trigger the SCR,and the parameters of PID controller are automatically calculated by the control algorithm.The circuit is simple and reliable,and the parameters are fairly accurate.The practical operation has shown that this system can achieve quite good control performance.更多还原