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

表2 控制回路u3-y3模式切换时控制器参数及Gershgorin圆边界点校正前后数据

Table 2 Control loop u3-y3 mode switching controller parameters and Gershgorin circle before and after correction

控制器参数 列Gershgorin圆边界点 校正前 校正后 校正前 校正后 c1=(0.2037, 0.0068, 0.2037) c1=(0.1234, 0.0041, 0.1234) h1,-1'= -1.3206 h1,-1'= -0.8 c2=(0.5, 0.03, 0.3) c2=(0.2570, 0.0154, 0.1542) h2,-1'= -1.5565 h2,-1'= -0.8 c3=(0.05, 0.004, 0.3) c3=(0.05, 0.004, 0.3) h3,-1'= -0.2579 h3,-1'= -0.2579