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how to find minimum damping ratio of a stable second order system in matlab rootlocus plot using function "polar"
Your question does not provide enough information to be answered. Can you post your MATLAB code here and explain better what you...

presque 13 ans il y a | 0

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Scaling of state-space models using prescale
Realizing the question was asked a long time ago, but providing answer for the record nonetheless. The prescale command and G...

presque 13 ans il y a | 0

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How to find out which sates were used for linmod of a SimMechanics model?
Hi, As you mention, _linmod_ does not support his functionality. _linmod_ is a legacy Simulink function that is no longer act...

presque 13 ans il y a | 0

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Estimation of Transfer Function of a Setup
You can use <http://www.mathworks.com/products/sysid/ System Identification Toolbox> to estimate closed-loop transfer function T...

presque 13 ans il y a | 0

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Simulink coder with PID - Algebraic loop when using antiwindup
In the block dialog, make sure you have "Forward Euler" selected for both integrator method and filter method. HTH.

presque 13 ans il y a | 0

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How to express ZOH transfer function in Matlab?
s=tf('s'); Ts=0.1 %replace with desired value sys=(1-exp(-s*Ts))/s bode(sys)

presque 13 ans il y a | 2

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use range as input in evalfis
The first input argument are the input values to the FIS, see <http://www.mathworks.com/help/fuzzy/evalfis.html the doc> for mor...

presque 13 ans il y a | 0

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Compare tf function with x-y data
You get magnitude and phase of an LTI object (ss,tf,etc) by using <http://www.mathworks.com/help/control/ref/bode.html bode> com...

presque 13 ans il y a | 0

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How to export data inputs from GUI to Fuzzy logic toolbox
Not sure I understand your question completely,but I think you are asking about how to run the data through an FIS system. In th...

presque 13 ans il y a | 0

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How to isolate the unstable part of a Linear System?
<http://www.mathworks.com/help/control/ref/stabsep.html stabsep>

presque 13 ans il y a | 0

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How should I make a Bode Plot of a Multiple Input and multiple Output System
There seem to be several things that are wrong. For example: # You define a variable nmax, but the script is using wmax - loo...

presque 13 ans il y a | 0

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how to give input to fuzzy logic
Use command <http://www.mathworks.com/help/fuzzy/evalfis.html evalfis>.

environ 13 ans il y a | 0

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How can i use the PID controller function
pid objects and PID Tool were added to Control System Toolbox in release 2010b. Upgrade to that release or later to be able to u...

environ 13 ans il y a | 0

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How to linearize SimHydraulics spool valve
Hard to say without having the model. I just tried linearizing a shipping example with a 4 -way valve, sh_closed_loop_circuit_4...

environ 13 ans il y a | 0

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Bode form of a transfer function
Yes, as descsribed in <http://www.mathworks.com/help/control/ref/zpk.html zpk doc>. >> sys=zpk(1,[2 3],4) sys = ...

environ 13 ans il y a | 0

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How to linearize SimHydraulics spool valve
Most probably the linearization is zero because you are computing it at the operating point where the orifice is closed. The too...

environ 13 ans il y a | 0

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Simulink Modelling: Parameter estimation
Are the constants parameterized with variables that are present in MATLAB workspace? From <http://www.mathworks.com/help/sldo...

environ 13 ans il y a | 0

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Qualitative Modelling with ANFIS, FIS Optimization, Loading Data
The only way to show that your model is a good model is to validate it against a set of input/output data. What are the inputs t...

environ 13 ans il y a | 0

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Systems design Optimization problem
Simulink Design Optimization does not currently support integer optimization.

environ 13 ans il y a | 0

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How to save .* fis file into .*m.files
With Fuzzy Logic Toolbox you can create and edit fuzzy systems using the GUI like you are doing, or using command line functions...

environ 13 ans il y a | 0

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how do i know ,rules automatically created for FIS are good enough and crispy , there is graphical representation of rules in the form of curves
have you read through this example in the <http://www.mathworks.com/help/fuzzy/anfis-and-the-anfis-editor-gui.html#FP43142 doc>?...

environ 13 ans il y a | 0

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Tune PID controller for networked scara robot on Truetime
For MIMO PID tuning, if you have your plant model, you can look at _systune_ function in Robust Control Toolbox. With this funct...

environ 13 ans il y a | 0

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How to represent uncertain transport delays
Hi, Unfortunately, modeling of uncertain transport delays is not currently supported. Arkadiy

environ 13 ans il y a | 0

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Discrete PID reg. sample time and Solver options
Try inserting a <http://www.mathworks.com/help/simulink/slref/ratetransition.html rate transition block> like the tool says.

environ 13 ans il y a | 0

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How to save the op_piont data to the file?
Can you explain why you need to save to a text file and why you need to use fprintf? One way you could get a text file is cre...

environ 13 ans il y a | 0

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Can't find a trimmed operating point to a Simulink Model
A couple of ideas: 1. When you do the trimming, you click "Specifications" to specify which model states should be at steady ...

environ 13 ans il y a | 0

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Undefined function 'tf' for input arguments of type 'char'?
_tf_ is part of Control System Toolbox. The error message you are seeing means you do not have this product on your license. You...

plus de 13 ans il y a | 0

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how to plot multiple bode plots in one figure ?
When you open the dialog for Bode Plot block, the third tab, called "logging" lets you save the linear system into MATLAB worksp...

plus de 13 ans il y a | 2

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How to implement Fuzzy PID using Simulink and FIS editor. Please try to be as simple as possible in your answers.
<http://www.mathworks.com/help/fuzzy/examples/using-lookup-table-in-simulink-to-implement-fuzzy-pid-controller.html?prodcode=FL&...

plus de 13 ans il y a | 0

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How to use pidtool and simulink
Use <http://www.mathworks.com/help/simulink/slref/pidcontroller.html PID Controller block> to implement your PID controller in S...

plus de 13 ans il y a | 0