H - Electricity – 02 – P
Patent
H - Electricity
02
P
H02P 8/00 (2006.01) H02K 16/00 (2006.01) H02K 24/00 (2006.01) H02P 8/08 (2006.01)
Patent
CA 2512374
A system and method for sensor less control of a stepper motor is described. The system and method includes estimation of the position of a rotor of the motor by way of sensing circuitry on the windings of the motor, without the use of positional sensors. The system and method of stepper motor control further includes magnetic field optimization for increasing the torque generating component of a magnetic field generated by stators of the motor, and magnetic field weakening for countering some of the effects of back electromotive force generated by the magnetic rotor.
Agile Systems Inc.
Mccarthy Tetrault Llp
LandOfFree
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