Respondida
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> .

más de 11 años hace | 0

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Respondida
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.

más de 11 años hace | 0

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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...

más de 11 años hace | 0

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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...

más de 11 años hace | 0

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Respondida
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...

más de 11 años hace | 0

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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...

más de 11 años hace | 4

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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...

más de 11 años hace | 0

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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...

más de 11 años hace | 0

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Linearizing a non-linear ARX model for making a PID controller ?
Please take a look at <http://www.mathworks.com/videos/data-driven-control-controller-design-and-implementation-70899.html this ...

más de 11 años hace | 0

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How can I use "Multi-Loop Control Systems" for a mutli-PID Control
You are probably better of using Control System Tuner. Please take a look at this <http://www.mathworks.com/videos/control-syste...

más de 11 años hace | 0

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How to control the cart position in inverted pendulum using PID controller?
To control both the position and the angle, you would need to set up a little bit more involved controller architecture. Take a...

más de 11 años hace | 0

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State Space model using ident
What did you try to do already? Can you post your code, or snapshots of what you did in the app? If you want to get help you nee...

más de 11 años hace | 0

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System Identification toolbox, can't import frequency domain data above frequency of pi rad/s
You are forgetting to set the sample time somewhere in your code or in the app. The tool will show the data up to the Nyquist fr...

más de 11 años hace | 0

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how can i let more than 9 membership functions in the Membership Function Editor (in FIS) with Matlab?
Add the 9 membership functions, then click on "Add Membership Function" again, change the number to 5, and click "add". You will...

más de 11 años hace | 0

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I Can't Find the fuzzyLogicDesigner?
From the screenshot you posted, it looks like you are using R2008a. In that version of MATLAB type >>fuzzy to launch the to...

más de 11 años hace | 0

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How can I use the Approximate MIGO step response formula in a MATLAB script?
Unfortunately, we do not provide command line equivalent of this functionality at the moment. I captured your suggestion as an ...

más de 11 años hace | 0

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How to draw bode diagram with measured data?
There are a couple of options: you can use System Identification Toolbox, see <http://www.mathworks.com/help/ident/ug/identifyin...

más de 11 años hace | 0

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Switching from Constant value to PID controller
Can you attach the model? Had to troubleshoot otherwise. One thing that could be happening is that PID Tuner works by linearizin...

más de 11 años hace | 0

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Setting predermined values on the PID parameters in "pidtool"
You cannot set your own gain values for the PID controller in the PID Tuner app. This tool is for automatically tuning PID contr...

más de 11 años hace | 0

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How to use the correct process transfer function?
You can use the <http://www.mathworks.com/help/simulink/slref/transferfcn.html transfer function block> . In the block dialog yo...

más de 11 años hace | 0

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Why my Matlab2014b doesn't find function bode or function tf?
You probably do not have Control System Toolbox installed. Do >>ver and see if it is in the list of toolboxes you have.

más de 11 años hace | 0

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i am currently working with ky converter and i've got error in linearising the plant with the use of pid controller
see <http://www.mathworks.com/videos/pid-controller-tuning-for-a-model-with-discontinuities-89347.html this video> and <http://w...

más de 11 años hace | 0

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bumpless transfer for a family of PIDs
Use tracking mode as explained <http://www.mathworks.com/help/simulink/slref/pidcontroller.html#br58hlp-1 here> . There is a nic...

más de 11 años hace | 0

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Why does the Bode function behaves differently in a subplot?
This works: H = tf([1],[100]); figure(100) subplot(2,1,1); [mag,ph,wout]=bode(H); semilogx(wout,20*log10(squeez...

más de 11 años hace | 1

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Global Optimization Problem with Simulink
You can use <http://www.mathworks.com/products/sl-design-optimization/ Simulink Design Optimization> for that. Take a look at...

más de 11 años hace | 0

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how to change parameters of PID tuner GUI from command line?
PID Tuner app (pidtool) was never intended to be used like you describe. If you want to process multiple plant models in a ba...

más de 11 años hace | 0

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Is ir possible to use more than one reference signals when using looptune in MATLABR2012a?
Ok, with the script provided, the problem is obvious. The script is referring to signals u1, u2,u3, and y1,y2,y3 in the model, b...

más de 11 años hace | 0

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Is ir possible to use more than one reference signals when using looptune in MATLABR2012a?
Most likely you need to specify signals of interest as I/O points, and then this problem would go away. I.e., before you refe...

más de 11 años hace | 0

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what is the stopping conditin of the fuzzy clustering?
Take a look at the <http://www.mathworks.com/help/fuzzy/fcm.html doc> and read the last paragraph.

más de 11 años hace | 0

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converting multiple ss model to single ss model
If I understand correctly, you have 4 state-space systems, where each system has 1 input and 1 output. You want to create one s...

más de 11 años hace | 1