PID调整：魔鬼像他一样被吓到吗？第5部分。闭环PID自动调谐器

Simulink中有关自动PID调整的系列中的最后一篇文章，其中我们介绍了闭环PID自动调谐器。

该块类似于先前讨论的基于频率响应的PID整定器工具：它也基于谐波分析方法。该块位于Simulink库的Simulink Control Design部分中。

, , .

.

, , : Driver, Electric actuator, Load.

Closed-Loop PID Autotuner, PID Controller, .

1 , 2 — ; . Tune enable .

Display

(% conv) (pid gains).

, .

Closed-Loop PID Autotune , , , .

(Target bandwidth) , . 4.83 /c.

, ; (Experiment sample time). $$$0.02/\omega_{b}$. 0.0041.

Experiment . , (Plant Type) Stable. (Plant Sign) . . (Sine Amplitudes) , . , 1.

. $$$200/\omega_{b}$. $$$t_{start} = 0.1$ , $$$t_{end} = 42$ . Step time Step Tune enable.

, (Stop Time) , , .

Display.

PID Controller .

Manual Switch Tune Enable . , .

, Closed-Loop PID Autotune , Frequency Response Based PID Tuner.