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Sliding model observer based Permanent Magnet Synchronous Motor

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The simulink model for sensorless PMSM was provided with the help of sliding model observer (SMO)

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Description

Permanent Magnet synchronous motor was modeled with the help of vector control technique and it was also made sensorless based on sliding model observer (SMO). controller parameters are given after tuning it with conventional gradient descent method.

Required Products Control System Toolbox
SimElectronics
SimEvents
SimPowerSystems
Simscape
Simulink
Simulink Response Optimization
MATLAB release MATLAB 7.9 (R2009b)
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Comments and Ratings (14)
06 May 2014 nandita ch

While running the simulation, the following error message is shown:
"At time 2.4999992682880994E-5, simulation hits (1000) consecutive zero crossings. Consecutive zero crossings will slow down the simulation or cause the simulation to hang. To continue the simulation, you may 1) Try using Adaptive zero-crossing detection algorithm or 2) Disable the zero crossing of the blocks shown in the following table:"

Could you please explain the solution and cause of this error?

24 Mar 2014 Bijoy B  
08 Jun 2013 Aishwarya Apte

HI I run the simulationbut can I get paper u referred for designing SMO or how smo was developed

10 Apr 2013 Pete Baker

Hey ahmet nas, my teacher asked me to run this model without SMO. This means the rotor angle and the motor's speed must be feedback directly from the output of motor. I ran the simulation but it was not right. Can you run simulation the model without SMO and have a right result? And you can spend it to my mail:haitac0880@gmail.com. Thank you very much!!!

31 Mar 2013 ahmet nas

Firstly, It is better if you expand the definition of error you encountered. What kind of error? Compile error or Runtime error? If matlab returns error message before starting the simulation it is probably because of the powersim version. You can find it using simulink library browser to replace with older. It is a member block of Simpowersystems toolbox. If it is a runtime error, read the error message and follow the matlab instructions. Generally it is a discontinuities in the system's state variables at each time step and use zero-cross detection under the simulation parametersd menu.

I can run model without having such a problem by using 2012b version.

31 Mar 2013 Pete Baker

Where is the power toolbox's powergui block?
I don't know it.

31 Mar 2013 ahmet nas

Remove powergui block from model and later, add your simpower toolbox's powergui block.

31 Mar 2013 Pete Baker

ahmet nas, i changed the name of folder that contained the file model so i opened the file model. But when i ran the simulation, the error appeared. Do you have error with your simulation?

26 Mar 2013 ahmet nas

Pete, You could not open the file right. May be you can try a newer version.

26 Mar 2013 Pete Baker

i don't open the file model.I'm using Matlab 2010b. Can someone answer why?

29 Nov 2012 ahmet nas

Is there any one ho verify the model. According to my results, shaft speed has a sinusoisal characteristic.

15 Mar 2011 Yehia

pleas may I ask for the text equations for this model.
Yehia kabil

15 Mar 2011 Yehia

Can you please provide the reference that you used (IEEE paper or book) for this SMO based sensorless simulation model.

17 Dec 2010 Manu Jain

Can you please provide the reference that you used (IEEE paper or book) for this SMO based sensorless simulation model.

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