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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...

etwa 14 Jahre vor | 0

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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...

etwa 14 Jahre vor | 0

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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...

etwa 14 Jahre vor | 0

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variable cost function MPC toolbox
<http://www.mathworks.com/help/toolbox/mpc/ref/mpccontroller.html MPC Controller> block can be set with optional input/output li...

etwa 14 Jahre vor | 0

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Control and Estimation Tools Manager
I am not sure what exactly is causing the confusion, so I apologize in advance if something I write is already obvious. First...

etwa 14 Jahre vor | 0

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Error in Evalfis
My guess is that you somehow defined a Gaussian membership function with sigma set to 0. <http://www.mathworks.com/help/toolbox...

etwa 14 Jahre vor | 0

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how can I simulate a PID parameter for CAD control system
You need to be more specific in what exactly you are trying to do. Here is some info on <http://www.mathworks.com/discovery/pid...

etwa 14 Jahre vor | 1

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RPM control of Motor Using PID
<http://www.mathworks.com/products/demos/control/cst_intro/ This video> may be a good start to getting answers to some of your q...

etwa 14 Jahre vor | 0

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How to give Initial Condition to Transfer Function
From the <http://www.mathworks.com/help/toolbox/simulink/slref/transferfcn.html doc>: Specifying Initial Conditions Initia...

mehr als 14 Jahre vor | 5

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How to transfer stepper motor model from simulink to matlab code?:
Your Simulink model looks like a linear model, so you should be able to express it as a state-space model. To do that, you can l...

mehr als 14 Jahre vor | 1

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contious time model - linear analysis toolbox
Linear Analysis Tool is part of Simulink Control Design. Here is an excerpt from the <http://www.mathworks.com/help/toolbox/s...

mehr als 14 Jahre vor | 3

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Variable input vectors during the simulation in simulink
You can input the vector signal into the simulation simply using the <http://www.mathworks.com/help/toolbox/simulink/slref/const...

mehr als 14 Jahre vor | 0

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system response
Your system P, as defined, is simply a gain. You can see that if you do zpk(P) ans = 5e-05 (s+0.001) --------...

mehr als 14 Jahre vor | 0

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bode() magnitude
semilogx(wout,20*log10(squeeze(mag))) gives you the same plot for magnitude as bode. If it does not look the same, it ...

mehr als 14 Jahre vor | 0

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bode() magnitude
Magnitude and phase outputs of _bode_ are 3-D arrays, for representing multi-input multi-output systems. The first two dimensio...

mehr als 14 Jahre vor | 1

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LQG Control
Take a look at the <http://www.mathworks.com/help/toolbox/control/ref/lqg.html _lqg_> function, and follow the example. HTH. ...

mehr als 14 Jahre vor | 0

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How to define transfer function into the tf or ss format
sys=ss(A,B,C,0); bode(sys); nyquist(sys); HTH. Arkadiy

mehr als 14 Jahre vor | 0

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Derivative filter in laplace domain
You can do this using <http://www.mathworks.com/help/techdoc/ref/diff.html diff> command. t=[0:0.01:10]; u=sin(t); y=...

mehr als 14 Jahre vor | 1

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Simple Issue - Joint Actuator
Maybe <http://blogs.mathworks.com/seth/2012/02/01/applying-motion-to-simmechanics-models/ this> could help. Arkadiy

mehr als 14 Jahre vor | 0

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Real-time linearization in Simulink for nonlinear MISO system
You cannot use _linearize_ in real time. Your best bet is to linearize the model at several operating conditions offline, de...

mehr als 14 Jahre vor | 0

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Bode and Nyquist plots of FRF as function of operational frequency
You can simply create an frd object: sys=frd(Hxx,w); bode(sys,w); nyquist(sys,w); Another option is instead of ...

mehr als 14 Jahre vor | 0

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Using Matlab to show magnetic field of our earth
Maybe <http://www.mathworks.com/products/aerotb/demos.html?file=/products/demos/shipping/aero/astWMMContours.html this> could be...

mehr als 14 Jahre vor | 0

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Estimating Transfer function model for Boost Converter
In the example you mentioned the frequency sweep is performed on a Simulink model. You are correct that _frest_ and other functi...

mehr als 14 Jahre vor | 0

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Estimating impulse response function from input and output signal
I am not sure this would work for you (it seems you might be trying to write the function yourself), but you could easily do thi...

mehr als 14 Jahre vor | 1

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Lyapunov stability analysis procedure in MATLAB version 2010a
Lyapunov stability for linear models simply means that all real parts of eigenvalues are less than zero. For a linear system _sy...

mehr als 14 Jahre vor | 0

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Controlling Block Linearization
I am following the same steps, but not getting this error. I would recommend you <http://www.mathworks.com/support/service_requ...

mehr als 14 Jahre vor | 0

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linmod or linearize?
Please take a look here, and scroll down to the section "Linearization Using Simulink Control Design Versus Simulink". HTH. Ar...

mehr als 14 Jahre vor | 1

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PID self Tuner
PID Tuner works by linearizing your nonlinear Simulink model. If the model linearizes to zero, the PID Tuner would give you the ...

mehr als 14 Jahre vor | 0

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how come m-file and simulink generate different results with same PID controller design?
*how come there is a delay* It is not a delay. In your model you have the reference signal stepping at 1 second - default val...

mehr als 14 Jahre vor | 4

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Is there a built in function in matlab for finding gains for PID controller
Yes, <http://www.mathworks.com/help/toolbox/control/ref/pidtool.html _pidtool_> is one of the 2 functions in Control System Too...

mehr als 14 Jahre vor | 0

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