Simulink Control Design™ - MathWorks

Design PID Controller Using Estimated Frequency Response This example shows how to design a PI controller using a frequency resp ...

Close the scope. close_system([mdl '/Engine Speed (rpm)']) PID Tuner Obtaining a Plant Model with Zero Gain From Linearization I ...

D = Throttle Ang EngineSpeed 0 Static gain. The reason for obtaining zero gain is that there is a triggered subsystem (Compressi ...

An alternative way to obtain a linear plant model is to directly estimate the frequency response data from the Simulink model, c ...

In this example, create a sine stream that sweeps frequency from 0.1 to 10 rad/sec with an amplitude of 1e-3. You can inspect th ...

Design PI Controller sys is an frd system that represents the plant frequency response at the initial operating point. To use it ...

Click Importing an LTI system, and in the list, select sys. Then, click "OK" to import the frd system into PID Tuner. The automa ...

7 PID Controller Tuning ...

To update the PID block P and I gains, click Update Block. Simulate Closed-Loop Performance in Simulink Model Simulation in Simu ...

Close the model. bdclose(mdl) 7 PID Controller Tuning ...

Design PID Controllers for a Power Factor Corrector using Frequency Response Estimation Method This example shows how to tune PI ...

The Controls subsystem has the cascaded PI controller to control the inductor current and output voltage. open_system('Active_PF ...

The controllers are initialized with preconfigured gains that result in poor power factor correction, as can be seen from the li ...

Tuning Workflow In general, the workflow for tuning this cascaded controller architecture is: Estimate the plant frequency mode ...

After setting up the model to collect the frequency response data, in the Simulink model window, select Analysis > Control De ...

To inject a fixed step sinestream into the model for frequency response estimation, on the Input Signal drop-down list, select F ...

To select the frequencies at which to estimate the plant response, click the + icon. In the Add frequencies dialog box, specify ...

To estimate and plot the frequency response, on the Estimation tab, click Bode. 7 PID Controller Tuning ...

After estimating the frequency response, export the estimation to the MATLAB workspace before tuning the PID controller. In the ...

Tune the PI Controller for Inner Current Loop Set up the current PI controller in the subsystem Controls to control the duty cyc ...