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how to recognise the rotor position of bldc motor intially

Discussion in 'General Electronics' started by sulaiman mohammed, Nov 24, 2003.

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  1. dear friends

    i am presently working on bldc motor project in which i use
    processor.the implementation is sensorless speed or position control
    of the intially i am required to calcualte or recognise the
    rotor position
    but i am not able to find the procedure how to do it.if any body has
    done or can guide in this aspect it would be very helpful to me.

    another thing is the implementation of the PID control in my
    application and
    it is to be achieved through software and can any one tell how to
    implement these strategies and how to calculate kp,ki,kd and how to
    assess the system stability when this whole operation is done through
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