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Edge detection using Fuzzy Logic
Please take a look at <http://www.mathworks.com/help/fuzzy/examples/fuzzy-logic-image-processing.html?prodcode=FL&language=en a ...

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Rules base of fuzzy logic controller
Your question is not very clear. As fasr as I can understand you are basically asking about how to go and set up rules and membe...

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How to obtain the designed MPC controller to program in a computer
MPC controller is not a transfer function. As explained <http://www.mathworks.com/help/mpc/ug/model-predictive-control-computati...

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how to process the output of fuzzy interface system(chance parameter) to select the indexes of first 3 maximum chance values???
Ok, I see, not really a Fuzzy Logic question, more of a basic MATLAB question. x=rand(60,1); %test vactor of 60 random numb...

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Why is "lsim" different than Simulink's "Linear Analysis Tool"
Yes, several suggestions/questions. First of all, your workflow does not quite make sense. Frequency Response Estimation capa...

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Using frq for phase greater than 180 degree
From your earlier questions, it is clear this one is a continuation of what you asked previously. You should not be creating mul...

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how to process the output of fuzzy interface system(chance parameter) to select the indexes of first 3 maximum chance values???
Please provide detailed description of what you did and specific questions about your code.

plus de 12 ans il y a | 1

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How to get the damping ratio of an underdamped response
Can you clarify your question? If you have the transfer function, damp will give you the damping factor, as you mention.

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Finding overall gain and phase of a system
freq=1; resp=5*exp(i*2*pi/360*100); Gn=frd(resp,freq); [m3,p3]=bode(Gn) m3 = 5.0000 p3 = 100 ...

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How can I get the final value of the cost function from MPC block?
1. Optimal cost is an optional block output as explained in the <http://www.mathworks.com/help/mpc/ref/mpccontroller.html refer...

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Why is "lsim" different than Simulink's "Linear Analysis Tool"
Can you be more clear about what you are doing. When you say " run the same simulation (random input) using the Linear Analysis ...

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Automatic PID tuning in a two-mass spring damper system. How can I set the rotor movement to zero?
Thanks for attaching the model. The short answer is that this is actually a pretty challenging problem. The reason is that yo...

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How can I find the transfer function of this system and calculate the unit step response?
Transfer function is a concept that applies to LTI ( *linear* time-invariant) systems.As you point out in your question, your sy...

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Decision making Fuzzy LOGIC in MATLAB !
You should be able to use <http://www.mathworks.com/products/compiler/ MATLAB Compiler> to create a stand-alone application from...

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Using System Identification Toolbox transfer function with Simulink
The issue is the initial conditions. When you estimate the transfer function, the tool automatically estimates initial condition...

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Problem using "pidtool" and "pidtune"
Kd=Kp*Td and Ki=Kp/Ti. As Kp, Ki, and Kd are all negative, Td and Ti are positive. Take a look at <http://www.mathworks.co...

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problem with PID tuning / Estimating frequency response of simulink model
We just shipped new functionality in 14a to specifically address this scenario. Take a look here: <http://www.mathworks.com/vide...

plus de 12 ans il y a | 0

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I am designing a closed loop pi control booster converter. when I want to automatically tune my discrete pi controller its show below message:
We just shipped new functionality in 14a to specifically address this scenario. Take a look here: <http://www.mathworks.com/vide...

plus de 12 ans il y a | 0

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PID linearization failed? Help!
We just shipped new functionality in 14a to specifically address this scenario. Take a look here: <http://www.mathworks.com/vide...

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Fuzzy inference system and Image Processing
Here is a new example that might be useful: <http://www.mathworks.com/help/fuzzy/examples/fuzzy-logic-image-processing.html?prod...

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Can we detect the edge of an object using Fuzzy?
Here is a new example that might help: F <http://www.mathworks.com/help/fuzzy/examples/fuzzy-logic-image-processing.html?prodcod...

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fuzzy logic for image processing
This new example might help: <http://www.mathworks.com/help/fuzzy/examples/fuzzy-logic-image-processing.html?prodcode=FL&languag...

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Fuzzy logic for image processing
This new example might help: <http://www.mathworks.com/help/fuzzy/examples/fuzzy-logic-image-processing.html?prodcode=FL&languag...

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I want to use fuzzy logic for image processing. But I've following problem. 1) How to transfer the input image for fuzzy logic functions.
Please take a look at this example: <http://www.mathworks.com/help/fuzzy/examples/fuzzy-logic-image-processing.html?prodcode=FL&...

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How to get bode transfer function from an idss structure?
You can use function *bode* to get magnitude and phase of an individual stat space system from the array. If you want an array o...

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Loop tuning activity
Here is the page with resources to get you started: <http://www.mathworks.com/discovery/pid-tuning.html PID Tuning> .

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PID block and manual PID
First of all, the gains are not the same. PID Controller block has a parameter called Filter Coefficient, N. By default this ...

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how to simulate buck converter with PID controller ??
explained <http://www.mathworks.com/videos/modeling-and-simulation-of-pv-solar-power-inverters-81813.html here>

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How to design an Uncertain State Space block (more) in Simulink with two values varying?
1. tau=ureal('tau',9.3); tau.PlusMinus=[-0.5 0.5]; k=ureal('k',5.6); k.PlusMinus=[-7.1 7.1]; sys=k*tf(1/tau,[1 ...

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PID linearization failed? Help!
You did not do anything wrong. PID Tuner needs a linear model to design a PID controller. To get this linear model, when you pre...

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