Answered
Optimal control with integral action for tracking a non-zero reference
Yes, lqi is exactly what you need. It works for non-zero reference signals. Use that function to calculate gain K, the simula...

15 years ago | 0

Answered
Fuzzy Logic - inputing data into model
Open the Rule Viewer (View->Rules). On the left side of the window you will see 3 columns for your inpouts with vertical redlin...

15 years ago | 0

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Answered
More than one freqency response in Sisotool
Starting with R2010b, you can evaluate controller against multiple plant models in sisotool: >>s=tf('s'); >>G=stack(1,1/(s+1),...

15 years ago | 0

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Answered
Having trouble with closed loop Bode plots
Just a guess, but probably what happens is that part of the model (plant most likely) linearizes to 0, therefore resulting in "e...

15 years ago | 0

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Answered
PID controller tunning using soft computing method
It is not clear what exactly you are trying to do from your question. If you need to tune PID controller gaisn for good perfo...

15 years ago | 1

Answered
PID using in converter
You can start by viewing this webinar. It covers converter modeling and control design: http://www.mathworks.com/company/events/...

15 years ago | 0

Answered
Electromechanical Actuator
Take a look at this webinar, it shows this exact workflow you are trying to follow: http://www.mathworks.com/company/events/web...

15 years ago | 0

Answered
how to detemine response parameters from Simulink Graph?
Save the data that goes into the plot as workspace variables. Use the To Workspace block in Simulink. Then use stepinfo comma...

15 years ago | 2

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Answered
Model Predictive Control Toolbox
The question author provided me with the model to look at. The problem in this case happens due to the way plant model is implem...

15 years ago | 1

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Answered
Question on MPC/PID Controller in Simulink
Information in your question is not sufficient to determine what problem you are running into exactly, so if the answers do not ...

15 years ago | 0

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Answered
Bode Diagram
You need to use bodeoptions command and set PhaseWrapping to on. Here is an example showing how to do it: >>s=tf('s'); %define ...

15 years ago | 0

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Answered
Simulink PID Controller Tuning
Alan actually sent me his model. He is trying to control the quadrotor position and orientation by controlling 4 rotor speeds. ...

15 years ago | 2

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