![]() This configuration ensures good PID control at any output concentration within the operating range of the control system.īegin with the controllers generated in Design Family of PID Controllers for Multiple Operating Points. In such a configuration, the PID gains change as the output concentration changes. This example shows how to use the PID Controller block to implement all of these controllers in a gain-scheduled configuration. You can expect each controller to perform well in a small operating range around its corresponding output concentration. The example uses the pidtune function to generate and tune a separate PID controller for each output concentration. The nonlinearity in the CSTR plant yields different linearized dynamics at different output concentrations. In that example, the continuous stirred-tank reactor (CSTR) plant model is linearized at steady-state operating points that have output concentrations C = 2, 3. This example builds on the work done in Design Family of PID Controllers for Multiple Operating Points. The PID controllers are tuned for a series of steady-state operating points of the plant, which is highly nonlinear. This example shows how to implement gain-scheduled control in a Simulink® model using a family of PID controllers.
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