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How do you calculate instantaneous output of a transfer function ?
Your best bet is probably calling a Simulink model that would simulate closed loop response of your fuzzy controller. You can ca...

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problem of plot the model of SI toolbox
Several options: 1. You can use the identified model in Simulink using the <http://www.mathworks.com/help/ident/blocklist.htm...

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how can I design a MPPT based solar charge controller using P&O algorithm by Matlab Simpower?
<https://www.mathworks.com/company/events/webinars/wbnr57525.html?id=57525&p1=869881767&p2=869881785 This> might help.

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About comparision results mismatch in System Identification Toolbox
Most likely the issue is due to not using the proper initial conditions as explained in the previous <http://www.mathworks.com/m...

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How can I determine the gain that is needed to get a second order closed loop system to oscillate indefinitely?
Can you paste your code. Seems like you are doing the right thing. Here is the code that does what you want. s=tf('s') ...

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not getting how to plot output sensitivity using bode diagram in simulink
Yes, that should give you 1/(1+P*C), where C is the transfer function corresponding to your inner loop.

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pid controller block parameter
Hello Nitin, PID Tuner works by linearizing the model. It then uses the linearized model to come up with the gains. It is v...

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I am trying to find if Matlab has a data-based auto tuning of PID function?
There is no single function that does data-based PID autotuning. You need to do this in 2 steps. First identify a transfer funct...

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Problem while generating C-Code from a fuzzy controller in Simulink
answered <http://www.mathworks.com/matlabcentral/answers/51288-error-parameter-cannot-be-evaluated here>.

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How do i simulate a solar PV module in Simulink
You might start by watching this <https://www.mathworks.com/company/events/webinars/wbnr57525.html?id=57525&p1=869881767&p2=8698...

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How to implement fuzzy inferrence rule by using matlab?????
You can use <http://www.mathworks.com/products/fuzzy-logic/ Fuzzy Logic Toolbox> for that. Product page has links to example, an...

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How to represent Simulink block diagrams to transfer functions?
There is a function <http://www.mathworks.com/help/slcontrol/ug/linearize.html _linearize_> in Simulink Control Design add-on th...

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How to export a Fuzzy-controller to C-Code
Please take as look at <http://www.mathworks.com/help/fuzzy/simulation-and-deployment.html this section> of the doc. If you n...

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how to plot frequency domain response in simulink ?
You can also use the tool called Simulink Control Design. It lets you linearize your model analytically, so you can compute and ...

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how to use lsim command in matlab ?
Is the code you provided giving you an error? Once you build your transfer function from n to y, you should be able to simulate...

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Creating a transfer function from a frequency sweep FFT
You can do that using <http://www.mathworks.com/products/sysid/ System Identification Toolbox>, or using <http://www.mathworks.c...

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Change bode frequency units with idfrd data
G = chgunits(G,'Hz') does it for me in R2013a. You can also right click on the bode plot, Properties, Units, and set unit...

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bode plot for a equation containing signum function ?
Bode plot only "works" for linear time-invariant systems. Yours is not. Maybe if you explain why you are trying to create a bode...

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How does the Simulink PID-Autotuner work?
PID Tuner uses a proprietary algorithm that we developed and patented. So it is bit of black box. This <http://www.mathworks.co...

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PID Controller- not for simulation
Based on your clarification, it seems you want to do real-time control of the actual process. A typical workflow for that: model...

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simulink pid tuning error
PID Tuner works only with Single Input Single Output loops. Is the error signal feeding into PID Controller block a scalar or a ...

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how can i imploy pid on a mass spring damper showing a car model in m file using oe45
It would be easier to do with state space or a transfer function, like you saw in the tutorials. If you want to use ode45, you w...

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problem with PID tuning / Estimating frequency response of simulink model
It is hard to troubleshoot without seeing the model. The fact that you are using SimPowerSystems makes it possible that you have...

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How to do discrete fuzzy logic in simulink
One way to do it is to add a <http://www.mathworks.com/help/simulink/slref/zeroorderhold.html Zero-Order Hold block> to the inpu...

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Filter coefficient (N) in PID block?
The code would look like that. FilterCoefficient = (Kd * u - Filter_DSTATE) * N; y = (Kp * u + Integrator_DSTATE) + ...

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want help about controller design
Maybe these links will help: - <http://www.mathworks.com/help/control/ref/lqg.html lqg> - <http://www.mathworks.com/help/r...

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How to call fuzzy controller in matlab mfile
I think you are looking for <http://www.mathworks.com/help/fuzzy/readfis.html this> and <http://www.mathworks.com/help/fuzzy/ev...

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Trimming a subsystem in simulink
Yes, you can do what you are trying to accomplish. As you said, you can linearize the subsystem, but what you cannot do yet is ...

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Control Design: Linearization at multiple operating points simultaneously
Hi Stephan, We released new Linear Analysis Tool in R2011b. It brings some new capabilities (interactive frequency response e...

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how can i properly use evalfis function for evaluating fis structure????
Hard to troubleshoot with the limited information you provided. Please go ahead and submit a <http://www.mathworks.com/support/c...

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