Risposto
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> .

oltre 11 anni fa | 0

| accettato

Risposto
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.

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

| accettato

Risposto
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...

oltre 11 anni fa | 0

| accettato

Risposto
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...

oltre 11 anni fa | 4

| accettato

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

Risposto
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 ...

oltre 11 anni fa | 0

| accettato

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

| accettato

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

Risposto
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 ...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

Risposto
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.

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 1

Risposto
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...

oltre 11 anni fa | 0

Risposto
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...

oltre 11 anni fa | 0

| accettato

Risposto
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...

oltre 11 anni fa | 0

| accettato

Risposto
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...

oltre 11 anni fa | 0

Risposto
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.

quasi 12 anni fa | 0

Risposto
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...

quasi 12 anni fa | 1