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how to recognise the rotor position of bldc motor intially


sulaiman mohammed

Jan 1, 1970
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