Answered
How set saturation for PID?
There is no easy way to do this in MATLAB (or Control System Toolbox, to be more precise). Control System Toolbox is geared tow...

12 years ago | 2

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simulation with ARX models
Not 100% clear what you mean, but my guess is that you want the result of what you are doing at command line to look like the "m...

12 years ago | 1

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How to get sensitivity matrix of a system from a full non-linear model?
Simulink Control Design lets you <http://www.mathworks.com/discovery/linearization.html linearize> the nonlinear model to get a ...

12 years ago | 0

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why is there 2 different types of output responses in the 2 simulink models of the closed loop transfer function,for the same step input given below?
The response are different for a couple of reasons: 1. The main reason is the initial conditions are different. In respo...

12 years ago | 0

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want to tune the pid for the dcdc converter
Can you be more specific when you say tuning is not working? PID Tuner works by linearizing a Simulink model from controller ...

12 years ago | 0

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How to build Body Plots in Simulink from time-domain data (non-linear system)
In this case the best bet is System Identification Toolbox. Take a look at <http://www.mathworks.com/products/sysid/examples.ht...

12 years ago | 0

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How to use bode plot in simulink
Follow <http://www.mathworks.com/help/slcontrol/ug/linearize-at-model-operating-point.html#bso7mjz this tutorial> using your mod...

12 years ago | 0

Answered
How to get transfer function from a bode plot data?
<http://www.mathworks.com/help/ident/examples/frequency-domain-identification-estimating-models-using-frequency-domain-data.html...

12 years ago | 0

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pidtune - what algorithm is used to tune the pid controller?
It is a patented frequency-domain algorithm developed by MathWorks. Hi-level description is provided in the help for pidtune, un...

12 years ago | 1

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Tuning PI controller from Simulink model with an m-file
You are correct, PID Tuner linearizes the model from PID controller output to PID controller input. This is explained in the doc...

12 years ago | 0

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How to find a stable response with state space and PID controller?
Actually, your model should be stable. I created the model and it produces a stable response with the gains and parameters you s...

12 years ago | 0

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Generating; Rise Time, Overshoot etc from step input in Simulink
Please take a look at the <http://www.mathworks.com/help/control/ref/stepinfo.html stepinfo> function. That's what you need to u...

12 years ago | 0

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Arduino PID on simulink?
This <http://www.mathworks.com/videos/data-driven-control-how-to-design-a-controller-when-plant-model-is-not-available-81897.htm...

12 years ago | 0

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Answered
Why does the System Identification Toolbox return a different transfer function than one produced analytically?
I get very good match: t=0:0.01:100; u=6*cos(2*t)'; y=(-exp(-t)-3*exp(-3*t)+4*cos(2*t)+4*sin(2*t))'; data=iddata(y...

12 years ago | 0

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system identification: get estimated initialState
You need to use <http://www.mathworks.com/help/ident/ref/findstatesidparametric.html this function>.

12 years ago | 0

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Answered
Using results from Transfer Function Estimates 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...

12 years ago | 0

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Simulink model for Refrigeration?
there are no shipping examples in Simulink itself, but if you search you can find links like <http://www.scribd.com/doc/16589456...

12 years ago | 0

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Solved: MPC design tool failing to start in 2013a
I just checked and everything works Ok for me. To troubleshoot this, we would need to have more info about your configuration, s...

12 years ago | 0

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what is the name of robot arm that has been used in Robot-Arm Control System using xPC Target
The hardware shown in this demo is custom built by MathWorks engineers for demo purposes. It is not available as commercial off-...

12 years ago | 0

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Answered
Is there an equivalent function of unit delay in matlab that I can use in M-files?
Using Control System Toolbox you can specify a delay in your LTI system. You can then simulate the LTI system using commands suc...

12 years ago | 0

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Ball and beam balance system
<http://ctms.engin.umich.edu/CTMS/index.php?example=BallBeam&section=ControlPID This> might help you get going.

12 years ago | 0

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identification of battery with the help of parameters
<http://www.mathworks.com/matlabcentral/fileexchange/36019-lithium-battery-model-simscape-language-and-simulink-design-optimizat...

12 years ago | 0

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system identification toolbox
<http://www.mathworks.com/videos/estimating-transfer-functions-and-process-models-68899.html this video> could help.

12 years ago | 0

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In Genfis2, how can I set the output membership function to be constant?
Unfortunately you cannot. Both the input and output membership function types are hardwired. I have created an enhancement requ...

12 years ago | 0

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Absolute value of a transfer function in the frequency domain: how to calculate it.
Just one word of caution: the resulting C(s) will obviously be a real number, so the phase will be 0 or 180 deg depending on the...

12 years ago | 0

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Can we detect the edge of an object using Fuzzy?
Yes. <http://www.ijarcsse.com/docs/papers/April2012/Volume_2_issue_4/V2I40026.pdf Here> is one way to do it.

12 years ago | 0

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How to run a nonlinear state-space model on xPC target?
Unfortunately code generation for idnlgrey models is not currently supported. I have created the enhancement request for this. ...

12 years ago | 0

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System Identification TB GUI hands when drag'n dropping databox
Hi Antti, Could you <http://www.mathworks.com/support/service_requests/contact_support.do please submit a help request> to tech...

12 years ago | 0

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Answered
xPC target SimMechanics Solidworks (real-time rapid controller simulation) Virtual reality
Have you seen <http://www.mathworks.com/videos/robot-arm-control-system-using-xpc-target-68907.html this example>? For real-time...

12 years ago | 2

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Answered
Transfer of Transfer Functions 4X4 Matrix from Matlab to Simulink
As the documentation for Transfer Function block states: "The block can model single-input single-output (SISO) and single-in...

12 years ago | 0