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How to tune PID for a Output(t) = k*Input(t) system?
Plant model does not have an integrator in it, so you need an integral term to achieve zero steady-state error. In other words,...

10년 초과 전 | 0

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Tuning PID - I tune the PID the first time and adjust a few things, but when I want to adjust the PID later it says "The plant model in the PID loop linearizes to zero, and therefore cannot be used in PID controller design."
Hi, Here is the <http://www.mathworks.com/help/slcontrol/ug/troubleshooting-automatic-pid-tuning.html#btt7pgj doc section> that...

10년 초과 전 | 0

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Obtaining a transfer function from tfestimate
Hi, If you have access to System Identification Toolbox, you could use it to estimate a transfer function that you can use fo...

10년 초과 전 | 1

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PID GImbal 2 Axis Simulation
I suggest you start by checking out some of the already existing resources, such as <http://www.mathworks.com/discovery/pid-cont...

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How to define Controller Parameters Source for PID simulink block in matlab 2013a?
The ability to specify PID gains externally was added in 2015a. It does not exist in the earlier releases. The workaround is to ...

10년 초과 전 | 1

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what tuning method is used for 'pidtool' or 'pidTuner' for PID tuning ?
See <http://www.mathworks.com/matlabcentral/answers/182606-how-does-the-pid-tuner-calculate-the-parameters-kp-ki-kd here> .

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adaptive model predictive control
The intitial values are substracted to remove the offset from the data. The delay block resamples continuous signals coming from...

거의 11년 전 | 0

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Is possible uses PLC Code Generation with MPC (Model Predictive Control)
At the time this question was asked MPC Controller block did not support structured text generation with Simulink PLC Coder. Thi...

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Different MIMO zeros, poles when using tf and ss system representation
Your post does not include the code for creating ss_sys and tf_sys, but I assume you created tf_sys by doing: tf_sys=tf(ss_...

거의 11년 전 | 1

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PID controller gain calculation
Please try the tools and techniques explained on this page for <http://www.mathworks.com/discovery/pid-control.html PID Control>...

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How to use 'idfrd' system object as a channel model in simulink
You cannot do time domain simulation on a frequency response model. What you can do is fir a transfer function or state space mo...

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How do I enter output/input data in PID Tuner app?
The time vector has to be uniformly sampled. In your data time starts at -2, then a sample at -1, then 0, then sample time becom...

거의 11년 전 | 1

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PID Tuning tells me the system has closed loop stability even though it doesn't
Could it be the same issue as in <http://www.mathworks.com/matlabcentral/answers/180391-is-matlab-giving-a-wrong-root-locus-mayb...

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How do I make the transfer function matrix to state space？
P=[(s+4)/(s^2+4*s+25) -25/(s^2+4*s+25); (s+5)/(s^2+4*s+25) (s-25)/(s^2+4*s+25)] S=ss(P)

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plot frequency response of simulink system
There are tools for linearizing Simulink models - i.e., getting a transfer function from a Simulink model. You can take a look o...

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"The PID tuning tools are not supported for plant models of type "ss"? What is th reason?
Is there any way you could attach a simple model so I could try it? Or post a snapshot of a model?

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Problem with selecting linear analysis points
If you want to do frequency response estimation, then please refer to <http://www.mathworks.com/help/slcontrol/examples/designin...

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Trim Output Specification for Element of a Bus
Unfortunately, this is not currently supported. I created an enhancement request to address this in a future release.

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How to use PID controlller tune option in 2009Ra version
The functionality for automatic tuning of PID controllers was introduced in Control System Toolbox in release R2010b ( _pidtune_...

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How to tune a PIV controller using MATLAB?
<http://www.mathworks.com/products/robust/apps.html Control System Tuner app> works well for this custom controller architecture...

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Is MATLAB giving a wrong root locus? Maybe a bug?
There is no error with your code or bug in MATLAB. It just seems you got the sign wrong. If you do rlocus(-num,den), you will ...

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Fitting transfer function to amplitude phase data
Actually the function specifically created for this task is <http://www.mathworks.com/help/ident/ref/tfest.html tfest> from Syst...

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Designing a PID controller for a pendulum
You could tune the PID controller with PID Tuner app, unless you are trying to stcik with your method specifically. >>s=tf(...

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Matching step response from Simulink with Matlab
No, it actually has to do with calculating the derivative of a signal. You don't want to use pure derivative block. To match res...

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unable to tune PID controller with matlab function block
Take a look at <http://www.mathworks.com/videos/pid-controller-tuning-for-a-model-with-discontinuities-89347.html this video> an...

거의 11년 전 | 0

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how to map a conrol value from simulink block to PWM% value?
Take a look <http://www.mathworks.com/discovery/pulse-width-modulation.html here> .

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How do I implement PID with PWM for 3 phase inverter for induction motor feedback control
Take a look <http://www.mathworks.com/discovery/pulse-width-modulation.html here> .

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How do I convert the output signal from a discrete PID controller block to the input needed for a PWM or SVPWM generator?
Take a look <http://www.mathworks.com/discovery/pulse-width-modulation.html here> , I think this will help.

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How does the PID-Tuner calculate the parameters (Kp,Ki,Kd) ?
You can find more information about our PID Tuning algorithm <http://www.mathworks.com/help/control/getstart/pid-tuning-algorith...

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How to interpret negative D term from PID tuner?
<http://www.mathworks.com/help/slcontrol/ug/troubleshooting-automatic-pid-tuning.html#bsghcia This section of the doc> answer...

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