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In PID tuning using control system tuner why am i getting waveform like this? Why there is no S and T and why in speed response plot its showing zero in actual?
Control System Tuner works by linearizing a Simulink model and then trying to design a controller for the linearized model. You ...

etwa 10 Jahre vor | 0

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how to get the control signal from the pid controller?
sys=C/(1+C*TF); step(sys)

etwa 10 Jahre vor | 0

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I have DC motor I went apply PID Position Controller for 45 angle
http://ctms.engin.umich.edu/CTMS/index.php?example=MotorSpeed&section=SystemModeling

etwa 10 Jahre vor | 0

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Blocks not recognized when linearizing in Simulink
The blocks that are not highlighted are not on linearization path. All it means is that graphically the input linearization poin...

mehr als 10 Jahre vor | 1

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MIMO ltiblock.pid
This is a bug in the documentation. ltiblock.pid is for representing SISO PIDs only. The bug will be fixed in the future release...

mehr als 10 Jahre vor | 0

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whether matlab function block and trigger block can be linearized?
Hi, Triggered subsystems are discontinuous and would typically not linearize.For cases when exact linearization does not work, ...

mehr als 10 Jahre vor | 1

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on which method pidtool command selects parameters of PID?
Please see <http://www.mathworks.com/matlabcentral/answers/64274-how-does-the-simulink-pid-autotuner-work here>

mehr als 10 Jahre vor | 0

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Why the build-in step function and the user defined m-file generate different results
The difference is due to how the derivative term is handled in the simulation. When you use ode45 (the first approach in the que...

mehr als 10 Jahre vor | 1

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design optimization Simulink model parameter estimation to fit measured curvedata
Please start by taking a look at <http://www.mathworks.com/videos/estimating-dc-motor-parameters-97057.html the video> and readi...

mehr als 10 Jahre vor | 1

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Updates of Matlab toolboxes based on latest Academic Research findings (Sys Id Toolbox)
Hi, As pointed out in the previous answer, each release we publish information about new features added to each of our products...

mehr als 10 Jahre vor | 0

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How to do stability analysis of a MIMO simulink model?
You can use Linear Analysis tool in Simulink Control Design to compute a transfer function of a model (linearize the model). Tak...

mehr als 10 Jahre vor | 0

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How do I tune all the 4 PI controllers of a STATCOM?
You can try using <http://www.mathworks.com/help/robust/tuning-with-control-system-tuner-app.html Control System Tuner> which ca...

mehr als 10 Jahre vor | 1

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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...

mehr als 10 Jahre vor | 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?

mehr als 10 Jahre vor | 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 ...

mehr als 10 Jahre vor | 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...

mehr als 10 Jahre vor | 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 ...

mehr als 10 Jahre vor | 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> .

mehr als 10 Jahre vor | 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...

fast 11 Jahre vor | 1

Gelöst

Produce a cosine wave
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/cosine-eqn.png>>

fast 11 Jahre vor

Beantwortet
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...

fast 11 Jahre vor | 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?

fast 11 Jahre vor | 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.

fast 11 Jahre vor | 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...

fast 11 Jahre vor | 0

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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...

fast 11 Jahre vor | 0

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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...

fast 11 Jahre vor | 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...

fast 11 Jahre vor | 0

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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 ...

fast 11 Jahre vor | 0

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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...

fast 11 Jahre vor | 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...

fast 11 Jahre vor | 0