Brushless Motor Theory

[Tempo]

Where can I find the theory regarding the brushless motor theory on the internet? Are there some website explaining it? Thx if your guys could post some links.

[TheSteve]

This website has some great animated diagrams on how 2 pole and 4 pole brushless motors are driven by the speed control(in a sensored system)

http://www.servomag.com/flash/2-pole/2pole-bldc-motor.html
http://www.servomag.com/flash/4-pole/smi-motor007.htm

[Chase023]

Here is a some reading on brushless motors.

http://www.allegromicro.com/techpub2/compumot/a17a19.pdf

[BCSavage]

I found this

http://www.alansmodels.com/engines/how_motor_brushless.htm

Really made things simple.