Answered
fuzzy pid cotroller is not converging to a reference point while pid controller converges for the same scenario
Is Fuzzy Logic Controller always creating just constants for Kp, Ki, and Kd? If not, then the results would be expected to be di...

13 years ago | 0

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Answered
How do we avoid singularity in PID control system?
Instead of using Initial Condition on the signal, supply the initial conditions for the integrators in your Drone 1 Plant and Dr...

13 years ago | 0

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Answered
Why tf2ss and ss(sys) gives different results?
This is explained in the doc page for _ss_. Please click <http://www.mathworks.com/help/control/ref/ss.html here>, and scroll do...

13 years ago | 0

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Answered
Can i have real time stimulation experience on simulink export to webview, using simulink report generator?
You cannot use web view to run a simulation, you can use it to view and navigate the model structure.

13 years ago | 1

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Answered
Wrong phase for a time delay?
Please note also that you can model delays exactly in Control System Toolbox, you do not have to approximate with Pade. For exam...

13 years ago | 0

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where to use System Identification Toolbox in 4 phases designing a Mechantronic system
I understand your question. The wikipedia article is generalizing things a little bit. In practice, everything depends on a part...

13 years ago | 0

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what is the difference between simulink control design and control system toolbox?
1. Two different products. Control System Toolbox lets you analyze and design control systems in MATLAB. You can do that from...

13 years ago | 4

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Answered
How to do parameter estimation of a ODE based model?
There are actually many ways you could do it: 1. Implement your model, write a cost function, and use Optimization Toolbox to...

13 years ago | 1

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Modeling & Simulation On Simulink?? Stuck with the start of it.
Seems to be queueing theory question. The right tool for this is a Simulink ad-on called <http://www.mathworks.com/products/sime...

13 years ago | 0

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View Root Locus of Nested Loop Using Simulink
My guess about why you are getting 5th order system for inner loop is that you did not specify loop opening properly to break th...

13 years ago | 0

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Answered
how to design a stablizer Controller in MATLAB
For SISO case, take a look at the links on <http://www.mathworks.com/discovery/pid-control.html PID Control with MATLAB and Simu...

13 years ago | 0

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Controller design - transfer function producing different response from numerical model
I agree with the recommendation not to use pure derivative from the previous answer. Derivative block is causing problems in the...

13 years ago | 0

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Answered
How to obtain PID controller co-effs as a function of time and o/p
Of course, it is possible, but it would require some effort. Most commands in Control System Toolbox are for working with LTI...

13 years ago | 0

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PI controller in similink
Take a look at <http://www.mathworks.com/help/robust/examples/control-of-a-linear-electric-actuator.html?prodcode=RC&language=en...

13 years ago | 0

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Answered
How to give input from sensor to pid in matlab (mfile)
Your code does not make sense at the moment. Specific issues: # You define input and output names for variables _sys_ and _C...

13 years ago | 0

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How to take feedback from a state for a MIMO design
You can add 2 more rows to your C and D matrices: for C: [0 1 0 0; 0 0 0 1]; for D: [0 0; 0 0]; This would gi...

13 years ago | 0

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Answered
How to export rules from Fuzzy GUI to text file in English readable format
1. File -> export -> workspace -> myfis 2. >>showrule(myfis) 3. copy paste the text For more details: >>doc showrule...

13 years ago | 3

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Error -Parameter cannot be evaluated
Try <http://www.mathworks.com/matlabcentral/answers/35928-fuzzy-logic-model-to-be-implemented-on-simulink this>. <http://ww...

13 years ago | 0

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Answered
i want to design pid controller.....using fuzzy logic....plz tell me procedure for that
Take a look at <http://www.mathworks.com/help/fuzzy/examples/using-lookup-table-in-simulink-to-implement-fuzzy-pid-controller.ht...

13 years ago | 2

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How to customize a Built-in PID Block?
Hello Mike, At the moment, you won't be able to customize the standard PID block and still retain the automatic tuning functi...

13 years ago | 1

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Answered
How could i run a identified model
Create the signal with input data, then use command <http://www.mathworks.com/help/toolbox/ident/ref/sim.html sim>. HTH. A...

13 years ago | 0

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Answered
System identification tool and Simulink
Most likely this happens due to initial conditions. In the GUI and in the COMPARE function, the fit is computed by estimating ...

13 years ago | 1

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Answered
how defuzzify the output from fuzzify interface in m-file coding
I think <http://www.mathworks.com/help/toolbox/fuzzy/evalfis.html this> is what you are looking for. Arkadiy

13 years ago | 0

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Answered
how to create pi control for dc link volage
<http://www.mathworks.com/videos/pid-control-design-with-control-system-toolbox-68748.html This demo> and <http://www.mathworks....

13 years ago | 0

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Processing a list of inputs into a fuzzy logic system
Have you seen the <http://www.mathworks.com/help/toolbox/fuzzy/evalfis.html doc page for evalfis>, specifically this part: ev...

14 years ago | 0

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Answered
How can I implement time delay transfer functions in simulink? 250*e-(s*20)/s(1+s/10) ?
You can use LTI System block from Control System Toolbox as suggested. Another option is to use Transfer Function block in Simu...

14 years ago | 5

Answered
bode plot discrepancy
The very slight difference between two magnitude curves is due to the different frequencies you are computing the bode magnitude...

14 years ago | 0

Answered
Error while using fuzzy logic controller in a simulink model
Just like the error says, there is no membership function trampf, but there is a membership function trapmf (trapezoidal members...

14 years ago | 0

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Answered
How to control two values from a matrix with one PID-controller?
what do you mean when you say "control two velocities". You can have a PID controller on car speed or trailer speed that would b...

14 years ago | 0

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Answered
How to use an LQT control
The function <http://www.mathworks.com/help/toolbox/control/ref/lqgtrack.html lqgtrack> from Control System Toolbox might be wh...

14 years ago | 0