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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> .

11年以上前 | 0

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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.

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 0

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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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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 ...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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 ...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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.

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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...

11年以上前 | 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.

11年以上前 | 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...

11年以上前 | 1