节选自 Hrigglund, Tore.Advanced PID Control[M].1st.Lund:Research Triangle Park,2006,87-88
《先进型PID控制器》
第三章6节When Can PID Control Be Used?
There are many requirements on a controlled system. It should respond well to set-point changes, it should attenuate load disturbancds,measurement noise should not give excessive control actions, and the system should be insensitive to process variations.
控制系统应该很好地回应设定点的变化
控制系统应该衰减负载扰动
测量噪声不能影响太大
系统本身不能随变量变动过大(时不变系统)
简单而言:动作响应要线性不能太黏,负载扰动不能太大,测量噪声不能太大,系统模型不能随 其他变量(非 观测与控制 变量) 发生变化 |