Stepper Motor Simulation Model request ...

2011 3 13
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I need a simulation model for a bipolar 2-phase permanent magnet stepper motor and the pulse generator model for the motor ..
http://www.megaupload.com/?d=T6W2ANZH
this link include the last model I reached but it has some problems , also you will find the paper whice I used to make this model..

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Arnaud Miege
Arnaud Miege 2011-3-14

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You don't say what the problems are with your model. Also, have you looked at the Stepper Motor and Stepper Motor Driver from SimElectronics?
HTH,
Arnaud

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Mohamed Dahy
Mohamed Dahy 2011-3-18
yes i have but the problem is that i cannot make PID Controller by Stepper model included in Simulink libraries so i wanna stepper motor as subsystem "Plant".
The problems are :
1- I cannot change stepping angle by changing rotor poles "n".
2- when I edit in {Configuration Parameter -> Solver option ->Solver type } and make it fixed step give me error .
and thanks for your consideration
Eng/Dahy
Mohamed Dahy
Mohamed Dahy 2011-3-18
Model after editing and stepper parameters
http://www.megaupload.com/?d=T6W2ANZH
Arnaud Miege
Arnaud Miege 2011-3-21
I am not sure I understand what your problem is. Your model appears to run OK. I cannot comment on whether it gives the results you expect or not. I did notice though a 'sin(2*u+90)' block, where I think the input is in radians. If that's the case, then it should be 'sin(2*u+pi/2)', provided the formula is correct. If you want to use the stepper motor from SimElectronics, have a look at the shipping demo elec_controlled_stepper.mdl. If this doesn't meet your requirements, you can always use the Simscape language to create your own stepper motor model.
Mohamed Dahy
Mohamed Dahy 2011-3-25
thanx Mr.Miege for your time ,
my prolems had been solved .

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