Automatic sequencing scheme for reversing directions of...

Details Automatic sequencing scheme for reversing directions of... Automatic sequencing scheme for reversing directions of...

B - Operations, Transporting

60

L

341/87, 342/34.1

B60L 11/02 (2006.01) H02P 7/00 (2006.01) B60K 6/04 (2006.01)

Patent

CA 1066395

ABSTRACT OF THE DISCLOSURE In an electric propulsion control system for self-propelled traction vehicles having reversible, variable speed traction motors, wherein the operation of a direction selector means overrides the normal speed controlling means and initiates a dynamic retardation operating mode so as automatically to decrease the speed of the traction motors, and means responsive to the motors subsequently decelerating to a predetermined relatively slow speed effects a reversal of motor energization so as to reverse the direction of the vehicle.

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