B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
341/74
B60T 8/82 (2006.01) B60L 3/10 (2006.01) G01P 3/56 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1197597
IMPROVED WHEEL SLIP CONTROL USING DIFFERENTIAL SIGNAL ABSTRACT OF THE DISCLOSURE Apparatus for controlling wheel slip in a locomotive driven by d.c. motors which receive power from a diesel driven generator, has sensors which provide signals representing speeds of different driven wheels to a velocity unit. The velocity unit derives a differential signal representing the difference between the highest and the lowest wheel speeds. A sensor detects current or power in the generator output and the signal from this sensor is sampled periodically and the latest two sampled values are stored. The sampled values are compared to provide a creep reference signal. The differential signal and the creep reference signal are compared and the resulting difference signal is used to control generator output to maximize current during acceleration.
398159
Canadian General Electric Company Limited
Eckersley Raymond A.
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