G - Physics – 01 – P
Patent
G - Physics
01
P
G01P 3/44 (2006.01) B60L 3/00 (2006.01) B60T 8/00 (2006.01) B60T 8/17 (2006.01) B60T 8/171 (2006.01) G01P 3/46 (2006.01) G01P 3/49 (2006.01)
Patent
CA 2452890
A system and method for estimating the wheel speed of a vehicle (10) propelled by DC motors (14) mechanically coupled to at least one wheel on the vehicle (10) so as to rotate said one or more wheel. At least one current detector is configured to measure armature and field current in each of the DC motors (14) and produce a signal proportional to said currents and a voltage detector is configured to measure voltage applied to each of the DC motors (14) and produce a signal proportional to said voltage. A processor is configured to determine a rotational speed as a function of the measured currents and voltages and configured to apply a correction factor to the determined rotational speed to obtain a corrected rotational speed.
Hazen Samuel Lyle
Kumar Ajith Kuttannair
Company General Electric
Craig Wilson And Company
LandOfFree
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