The system discussed adopts a well established and space proven motor, the 'stepper-motor' and shows that with simple commutation techniques it can be operated as a brushless dc motor at high speeds.
The design and development of a self-commutating stepper motor
1979-04-01
Conference paper
No indication
English
Engineering Index Backfile | 1913
|Some features of commutating-pole railway motor construction
Engineering Index Backfile | 1916
|J. HARTMANN'S commutating mercury jets
Engineering Index Backfile | 1936