化工过程多回路PID控制系统模式切换参数自整定
王建松,许锋,罗雄麟

Controller parameter self-tuning when control loop mode switching for multi-loop PID control system of chemical process
Jiansong WANG,Feng XU,Xionglin LUO
图4 第二个控制回路闭合时系统结构
Fig.4 Block diagram of system structure when the second control loop is closed