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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...

14 years ago | 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...

14 years ago | 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...

14 years ago | 0

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Answered
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...

14 years ago | 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...

14 years ago | 0

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Answered
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...

14 years ago | 5

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Answered
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...

14 years ago | 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...

14 years ago | 3

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Answered
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...

14 years ago | 0

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Answered
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) --------...

14 years ago | 0

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Answered
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 ...

14 years ago | 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...

14 years ago | 1

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

14 years ago | 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

14 years ago | 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=...

14 years ago | 1

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

14 years ago | 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...

14 years ago | 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 ...

14 years ago | 0

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Answered
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...

14 years ago | 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...

14 years ago | 0

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Answered
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...

14 years ago | 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...

14 years ago | 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...

14 years ago | 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...

14 years ago | 1

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Answered
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 ...

14 years ago | 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...

14 years ago | 4

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Answered
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...

14 years ago | 0

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Answered
MPPT Implementation
please take a look at <http://www.mathworks.com/company/events/webinars/wbnr57525.html?id=57525&p1=869881767&p2=869881785 this w...

14 years ago | 0

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HOW can I read data in simlink from SENSOR made in VRML, like VRPEND tutrial in matlab?
In vrpend , look under mask of "Trajectory Graph" block, open block dialog for s-function block sl3d_sfuntraj, and look at the c...

14 years ago | 0

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PI Controller tuning
If you have Control System Toolbox R2010b or later, you can use PID Tuner tool: >>pidtool(H) Use the slider to adjust cont...

14 years ago | 0