Answered
How to define Controller Parameters Source for PID simulink block in matlab 2013a?
The ability to specify PID gains externally was added in 2015a. It does not exist in the earlier releases. The workaround is to ...

9 years ago | 1

Answered
what tuning method is used for 'pidtool' or 'pidTuner' for PID tuning ?
See <http://www.mathworks.com/matlabcentral/answers/182606-how-does-the-pid-tuner-calculate-the-parameters-kp-ki-kd here> .

9 years ago | 0

Answered
adaptive model predictive control
The intitial values are substracted to remove the offset from the data. The delay block resamples continuous signals coming from...

9 years ago | 0

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Answered
Is possible uses PLC Code Generation with MPC (Model Predictive Control)
At the time this question was asked MPC Controller block did not support structured text generation with Simulink PLC Coder. Thi...

9 years ago | 0

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Answered
Different MIMO zeros, poles when using tf and ss system representation
Your post does not include the code for creating ss_sys and tf_sys, but I assume you created tf_sys by doing: tf_sys=tf(ss_...

9 years ago | 1

Answered
PID controller gain calculation
Please try the tools and techniques explained on this page for <http://www.mathworks.com/discovery/pid-control.html PID Control>...

9 years ago | 0

Answered
How to use 'idfrd' system object as a channel model in simulink
You cannot do time domain simulation on a frequency response model. What you can do is fir a transfer function or state space mo...

9 years ago | 0

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Answered
How do I enter output/input data in PID Tuner app?
The time vector has to be uniformly sampled. In your data time starts at -2, then a sample at -1, then 0, then sample time becom...

9 years ago | 1

Answered
PID Tuning tells me the system has closed loop stability even though it doesn't
Could it be the same issue as in <http://www.mathworks.com/matlabcentral/answers/180391-is-matlab-giving-a-wrong-root-locus-mayb...

9 years ago | 0

Answered
How do I make the transfer function matrix to state space？
P=[(s+4)/(s^2+4*s+25) -25/(s^2+4*s+25); (s+5)/(s^2+4*s+25) (s-25)/(s^2+4*s+25)] S=ss(P)

9 years ago | 0

Answered
plot frequency response of simulink system
There are tools for linearizing Simulink models - i.e., getting a transfer function from a Simulink model. You can take a look o...

9 years ago | 0

Answered
"The PID tuning tools are not supported for plant models of type "ss"? What is th reason?
Is there any way you could attach a simple model so I could try it? Or post a snapshot of a model?

9 years ago | 0

Answered
Problem with selecting linear analysis points
If you want to do frequency response estimation, then please refer to <http://www.mathworks.com/help/slcontrol/examples/designin...

9 years ago | 0

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Answered
Trim Output Specification for Element of a Bus
Unfortunately, this is not currently supported. I created an enhancement request to address this in a future release.

9 years ago | 0

Answered
How to use PID controlller tune option in 2009Ra version
The functionality for automatic tuning of PID controllers was introduced in Control System Toolbox in release R2010b ( _pidtune_...

9 years ago | 0

Answered
How to tune a PIV controller using MATLAB?
<http://www.mathworks.com/products/robust/apps.html Control System Tuner app> works well for this custom controller architecture...

9 years ago | 2

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Answered
Is MATLAB giving a wrong root locus? Maybe a bug?
There is no error with your code or bug in MATLAB. It just seems you got the sign wrong. If you do rlocus(-num,den), you will ...

9 years ago | 0

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Answered
Fitting transfer function to amplitude phase data
Actually the function specifically created for this task is <http://www.mathworks.com/help/ident/ref/tfest.html tfest> from Syst...

9 years ago | 0

Answered
Designing a PID controller for a pendulum
You could tune the PID controller with PID Tuner app, unless you are trying to stcik with your method specifically. >>s=tf(...

9 years ago | 0

Answered
Matching step response from Simulink with Matlab
No, it actually has to do with calculating the derivative of a signal. You don't want to use pure derivative block. To match res...

9 years ago | 2

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Answered
unable to tune PID controller with matlab function block
Take a look at <http://www.mathworks.com/videos/pid-controller-tuning-for-a-model-with-discontinuities-89347.html this video> an...

9 years ago | 0

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how to map a conrol value from simulink block to PWM% value?
Take a look <http://www.mathworks.com/discovery/pulse-width-modulation.html here> .

9 years ago | 0

Answered
How do I implement PID with PWM for 3 phase inverter for induction motor feedback control
Take a look <http://www.mathworks.com/discovery/pulse-width-modulation.html here> .

9 years ago | 0

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Answered
How do I convert the output signal from a discrete PID controller block to the input needed for a PWM or SVPWM generator?
Take a look <http://www.mathworks.com/discovery/pulse-width-modulation.html here> , I think this will help.

9 years ago | 0

Answered
How does the PID-Tuner calculate the parameters (Kp,Ki,Kd) ?
You can find more information about our PID Tuning algorithm <http://www.mathworks.com/help/control/getstart/pid-tuning-algorith...

9 years ago | 0

Answered
How to interpret negative D term from PID tuner?
<http://www.mathworks.com/help/slcontrol/ug/troubleshooting-automatic-pid-tuning.html#bsghcia This section of the doc> answer...

9 years ago | 0

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Answered
How to convert tf2ss for MIMO system?
There is no error in your code and the resulting sys is an accurate representation of your MIMO system. bode(Gspm); hold...

9 years ago | 0

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Answered
Fuzzy logic Model to be implemented on Simulink
My guess is that you enter the name of fis file without single quotes, and that is what creates the problem. So instead of ty...

9 years ago | 4

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Answered
Bode plot of simulink model
You might also look at Simulink Control Design. It gives you many tools for trimming and linearizing Simulink models. You can do...

9 years ago | 0

Answered
How to apply Ziegler Nichols and Cohen and coon tuning?
Take a look <http://www.mathworks.com/help/control/ug/using-the-siso-design-task-in-the-controls-estimation-tools-manager.html#f...

9 years ago | 0