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Process Control: Modeling, Design, and Simulation by B. Wayne Bequette

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11.7. Implementing PID Enhancements in Simulink

SIMULINK has a number of standard features that make it easy to perform simulations for the control strategies developed in this chapter. Saturation and relay blocks, for example, can be found in the Discontinuities SIMULINK library in MATLAB version 6.5 (Release 13).

Constrained vs. Unconstrained

The simulation results in Figure 11-2 were generated using the SIMULINK .mdl diagram shown in Figure 11-16.

Figure 11-16. Comparison of constrained and unconstrained processes to a step setpoint change.

ARW

The antiwindup results presented in Figure 11-4 were generated using the SIMULINK .mdl diagram shown ...

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