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Author Topic: Mathematical model for DC Motor  (Read 1510 times)
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zaciatok
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« on: January 23, 2013, 09:35:26 am »
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Hi there:
I would like to ask you if it is possible to obtain the mathematical representation of a DC motor using a potentiometer connected to the motor shaft and Arduino UNO board.

Technical Parameters:
the potentiomer can be turned from 0 to 300 degrees.
DC motor voltage 7V.
Arduino UNO board.
Motor shield.

Can somebody help me with this?
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PaulS
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« Reply #1 on: January 23, 2013, 11:13:51 am »
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I would like to ask you if it is possible to obtain the mathematical representation of a DC motor
The mathematical representation of a piece of hardware? What are you talking about?
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zaciatok
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« Reply #2 on: January 23, 2013, 11:39:41 am »
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Yeah ! exactly !
But I dont know if that is possible with the things I have.
SOS
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PaulS
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« Reply #3 on: January 23, 2013, 11:52:18 am »
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Yeah ! exactly !
Yeah ! exactly ! what? What do you mean by "mathematical representation"? Points have mathematical representations. Lines, surfaces, etc. have mathematical representations. Cars, planes, boats, and motors do not.
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zaciatok
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« Reply #4 on: January 23, 2013, 12:33:27 pm »
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smiley-sad 
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zoomkat
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« Reply #5 on: January 23, 2013, 07:25:29 pm »
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I would like to ask you if it is possible to obtain the mathematical representation of a DC motor using a potentiometer connected to the motor shaft and Arduino UNO board.

Probably not, way to vague idea of what you are seeking.
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patduino
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« Reply #6 on: January 23, 2013, 07:50:33 pm »
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Hi zaciatac,

Quote from: zaciatok on January 23, 2013, 09:35:26 am
is possible to obtain the mathematical representation of a DC motor

I originally assumed you want to mathematically describe the relationship between the pot and the motor's RPM (i.e., speed control), but not if you are going to connect the pot directly to the motor's shaft...

What parameters are you trying to correlate?
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