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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...

casi 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...

casi 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...

casi 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...

casi 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 ...

casi 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...

casi 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...

casi 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...

casi 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...

casi 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...

casi 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...

casi 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 ...

alrededor 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...

alrededor 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...

alrededor 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...

alrededor 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...

alrededor 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.

alrededor 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...

alrededor 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...

alrededor 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...

alrededor 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...

alrededor 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...

alrededor 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...

alrededor 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...

alrededor 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.

alrededor 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...

alrededor de 11 años hace | 1

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PID with PWM for three phase inverter
Take a look at <http://www.mathworks.com/help/slcontrol/examples/design-a-pid-controller-using-simulated-i-o-data.html?prodcode=...

alrededor de 11 años hace | 0

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How do I tune a PID controller gains using Fimsearch for a nonlinear dynamic system.
If the system is modeled in Simulink, you can use Simulink Design Optimization which lets you tune the gains using brute force o...

alrededor de 11 años hace | 0

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i got best fit for specific information using system identification .now how to design a controller for the system i get
Question is not formulated clearly. When you estimate models of different orders, System Identification Toolbox produces a char...

alrededor de 11 años hace | 0

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Quadcopter PID Controller Implementation - Derivative Filter
As you say yourself, calculating pure derivative of a noisy signal is not a good idea. Transfer function of a pure derivativ...

alrededor de 11 años hace | 0