B - Operations – Transporting – 60 – L
Patent
B - Operations, Transporting
60
L
318/6
B60L 11/18 (2006.01) B60L 15/20 (2006.01) H02P 5/68 (2006.01)
Patent
CA 1211498
-28- Dual-Motor Control Apparatus Abstract of the Disclosure The invention pertains to a control circuit for controlling the speed of a pair of motors, including a pair of switching elements coupling power to the motors, a pair of controllable circuits for driving the switching elements, a circuit for generating digital numbers representing the same command speed for each of the motors, a circuit for generating digital numbers representing differential command speeds for the motors, and a data processor for controlling the pair of controllable circuits in response to the digital numbers. By utilizing digital and integrated circuit technology, prior, essentially linear, control apparatus, which are relatively unreliable, expensive and slow, need not be used.
443660
Melocik Grant C.
Pickering William
Caterpillar Industrial Inc.
Kirby Eades Gale Baker
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