Performance analysis of IMC based PID controllertuning on approximated process model
Citations
3 citations
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Cites background from "Performance analysis of IMC based P..."
...In [8], it is proved that system will be more stable and have better dynamic characteristics with the help of IMC based on PID controller when fitting model matches process object....
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Cites background or methods from "Performance analysis of IMC based P..."
...The control law is to maintain temperature at desired value by controlling current through heater coil using PWM technique with MOSFET drivers at constant fan speed [1] [3] [4]....
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...By approximating model of transfer function, we calculate PID controller parameters in Equation (12), (13) and (14) [4] [13] [14]....
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...If Gp has positive zeros, it will lead to a Gc function with positive poles hence the system becomes unstable [4]....
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References
3,554 citations
"Performance analysis of IMC based P..." refers methods in this paper
...Even in non-linear control development, PID control has been used as comparison reference [1]....
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...According to a survey conducted by Japan electric Measuring Instruments Manufacturers Association in 1989, 90 percent of the control loops in industries are of PID type [1] and only small portion of the control loop works well....
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1,763 citations
"Performance analysis of IMC based P..." refers background in this paper
...Recently much research effort has been focused on the automatic tuning of PID controllers, which was first proposed by Astrom and Hagglund (1984) [2]....
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...They have introduced novel relay tuning method for finding the critical gain and critical frequency of closed loop process [2] and proposed several tuning rules for PID controllers based on this information....
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...Also survey by ender [2] indicates 30 percent of the controller are operated in manual mode and 20 percent of the loops use factory tuning....
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202 citations
"Performance analysis of IMC based P..." refers methods in this paper
...For the Ziegler-Nichols [6] and Cohen-Coon [7] methods conventional PID parameters are evaluated using tuning rules given in Table 1....
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...We can conclude that the IMC based tuning of PID controller outperformed the Ziegler-Nichols and Cohen-Coon tuning methods....
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...In the third section simulation results on continuous flow stirred-tank reactor(CSTR) will be given with comparison study of closed loop PID controller response using Ziegler-Nichols, Cohen-coon and IMC tuning methods....
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...The comparison between the Ziegler-Nichols, Cohen-Coon and IMC PID tuning rules closed loop step response given in Table 3....
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...The values of PID controller parameters for IMC, Ziegler-Nichols and Cohen-Coon tuning rules are given in Table 2....
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