常用的控制器参数工程整定方法有（  ）

A、<span style="font-size:16px;font-family:宋体">积分法&nbsp; &nbsp;</span>

B、<span style="font-size:16px;font-family:宋体">经验法&nbsp; &nbsp;</span>

C、<span style="font-size:16px;font-family:宋体">临界比例度法&nbsp;</span>

D、<span style="font-size:16px;font-family:宋体">衰减曲线法&nbsp; &nbsp;</span>

E、<span style="font-size:16px;font-family:宋体">微分法</span>