Control systems and methods for permanent magnet rotating...

Details Control systems and methods for permanent magnet rotating... Control systems and methods for permanent magnet rotating...

2007-04-24

2007-04-24

Masih, Karen (Department: 2837)

Electricity: motive power systems

Switched reluctance motor commutation control

C318S132000, C318S434000, C318S701000

Reexamination Certificate

active

11293743

ABSTRACT:
Systems and methods for controlling a rotating electromagnetic machine. The rotating machine, such as a permanent magnet motor or hybrid switched reluctance motor, includes a stator having a plurality of phase windings and a rotor that rotates relative to the stator. A drive is connected to the phase windings for energizing the windings. A controller outputs a control signal to the drive in response to inputs of demanded torque, rotor position and/or speed. Control methods include calculating a scaled torque demand from the received torque demand to obtain substantially constant torque over a range of motor speeds, calculating an optimal dr-axis injection current using a cost function and a starting method that switches from speed control mode to torque control mode at a predetermined rotor speed or at predetermined start-up timing intervals.

REFERENCES:
patent: 5789893 (1998-08-01), Watkins
patent: 6586904 (2003-07-01), McClelland et al.
patent: 2005/0253540 (2005-11-01), Kobayashi et al.

Affiliated with

Also associated with

Rating

Control systems and methods for permanent magnet rotating... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Control systems and methods for permanent magnet rotating..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Control systems and methods for permanent magnet rotating... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3762733