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I want to know the region of PID tuner
The PID Tuner considers as the plant all blocks in the loop between the PID Controller block output and input. See <http://w...

9 years 前 | 0

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How to tune PID using PID tuner app if output data are n
Can you try resampling your data at one sample rate?

9 years 前 | 0

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How can i exract transfer fuction of my nonlinear real system?
Can you "break" the control system and put some test signals through your motor - steps, chirps, sine waves, etc? If you can ...

9 years 前 | 0

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Linearization error in PID controller block
Please do not post the same question multiple times. Also, can you be more specific about the error you are getting. hard to hel...

9 years 前 | 0

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How would you design a PID controller to stabilize a 4th order system?
Some plants just cannot be controlled with a PID controller. In that case you need to look at other types of control. You can ...

9 years 前 | 0

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Auto tuning PID algorithm in Simulink
See the doc <http://www.mathworks.com/help/slcontrol/ug/pid-tuning-algorithm.html here> .

9 years 前 | 0

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transfer function=1/2s^3+3s^2+s,draw the nyquist plot .i have not get the same plot which i have studied.
In your plot the half circle (from -0 to +0) has infinite magnitude, because your system has a pole at zero. nyquist plot cre...

9 years 前 | 1

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How do I get the DC motor model to match real world
You can try using Simulink Design Optimization to automatically estimate model parameters to match both measured voltage and cur...

9 years 前 | 0

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transfer function=1/2s^3+3s^2+s,draw the nyquist plot .i have not get the same plot which i have studied.
Can you attach the plot you expected to see?

9 years 前 | 0

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Is it possible to interface flightgear 3.4 with matlab 2013a
Support for interfacing with FlightGear 3.4 was added in 15b, so that's why you are seeing issues in 13a.

9 years 前 | 0

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System Identification tool "OE, tfest" question
<http://www.diva-portal.org/smash/get/diva2:316884/FULLTEXT01.pdf This paper by Lennart Ljung> might be helpful.It pretty much a...

9 years 前 | 0

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已回答
Neural Network Predictive Controller Design without the plant model but with historical data.
This is applicable to all control design problems in general: if you have plant input-output data and want to create a plant mod...

9 years 前 | 0

已回答
Simulink PID controller apparently doing nothing
I cannot reproduce this behavior. When I run your setup, I definitely see closed-loop response getting to 1 in steady-state. May...

9 years 前 | 0

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Why is the error of the close loop PID max of 1? File is provided.. please help
The max error is always one because at time 0, when you command the reference to step from 0 to 1, your plant model is initializ...

9 years 前 | 0

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已回答
how to apply a pwm signal to dc servo motor using pid controller?
<http://www.mathworks.com/discovery/pulse-width-modulation.html This page with resources on pwm> should be helpful. It includes ...

9 years 前 | 0

已回答
Transfert function with System identification toolbox
There are a few issues here. 1. Your data (Amp, Pha) does not agree with closed form transfer function at low frequencies, be...

9 years 前 | 1

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Using the Recursive Polynomial Model Estimator for online estimation
I don't think you can expect to get the exact a,b,c,d matrices you start from. The model is estimating system dynamics, and ther...

9 years 前 | 0

已回答
Representing controller in z-domain and plant in continuous domain
Simulink model should not be creating any errors if you are combining continuous and discrete blocks. Here is a model with a si...

9 years 前 | 1

提问


What is Missing from Fuzzy Logic Toolbox?
What should MathWorks add to Fuzzy Logic Toolbox? What features would be useful to you?

9 years 前 | 1 个回答 | 2

1

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已回答
Why cant i tune this simple electrical system? "The plant model in the PID loop linearizes to zero" Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!
See <http://www.mathworks.com/help/slcontrol/ug/troubleshooting-automatic-pid-tuning.html#btt7pgj here> .

9 years 前 | 0

| 已接受

已回答
how to write a matlab coding for position and velocity algorithm for a digital pid controller
http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

9 years 前 | 0

已回答
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,...

9 years 前 | 0

已回答
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...

9 years 前 | 0

已回答
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...

9 years 前 | 1

已回答
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...

9 years 前 | 0

已回答
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 ...

9 years 前 | 1

已回答
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> .

9 years 前 | 0

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

9 years 前 | 0

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已回答
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...

9 years 前 | 0

| 已接受

已回答
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_...

9 years 前 | 1

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