Simulink Control Design™ - MathWorks

References [1] Lee, S. W. "Practical Feedback Loop Analysis for Voltage-Mode Boost Converter." Application Report No. SLVA057. T ...

Design PID Controller Using Simulated I/O Data This example shows how to tune a PID controller for plants that cannot be lineari ...

The model is configured with a reference voltage that switches from 15 to 25 Volts at 0.004 seconds and a load current that is a ...

7 PID Controller Tuning ...

Simulate Model to Generate I/O Data To open the PID Tuner, in the Feedback controller subsystem, open the PID Controller block d ...

PID Tuner provides several alternatives when linearization fails. In the Plant drop-down list, you can select one of the followi ...

To open a tool that simulates the model to collect data for plant identification, on the Plant Identification tab, click Get I/O ...

On the Simulate I/O Data tab, you simulate the plant seen by the controller. The software temporarily: Removes the PID Controll ...

Sample Time ( ) = 5e-6 - Controller sample rate. Offset ( ) = 0.51 - Output offset value that puts the converter in a state whe ...

Select Show Input Response, Show Offset Response, and Show Identification Data. Then, click the Run Simulation. The Plant Identi ...

The red curve is the offset response. The offset response is the plant response to a constant input of. The response shows that ...

The [0.005 0.006] second range where the converter reacts to the current load being removed. The blue curve shows the complete ...

You can manually adjust the estimated model. Click and drag the plant curve and pole location (X) to adjust the identified plant ...

To tune the identified plant using automated identification, click Auto Estimate. The automated tuning response is not much bett ...

Design PID Controller Using Simulated I/O Data ...

To designate the identified model as the current plant for controller tuning, Click Apply. PID Tuner then automatically tunes a ...

The controller output is the duty cycle for the PWM system and must be limited to [0.01 0.95]. To confirm that the controller ou ...

In the Controller effort plot, the tuned response (solid line) shows a large control effort required at the start of the simulat ...

To update the Simulink block with the tuned controller values, click Update Block. To confirm the PID controller performance, si ...

bdclose('scdbuckconverter') 7 PID Controller Tuning ...