PROPULSION CONTROL SYSTEM AND METHOD FOR RAILWAY MAINTENANCE VEHICLES
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United States of America Patent
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Issued Date -
Feb 26, 2015
app pub date -
Aug 14, 2014
filing date -
Aug 20, 2013
priority date (Note) -
Abandoned
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Abstract
A propulsion control system is provided for controlling a hydraulic drive system of a railway maintenance vehicle. An axle monitoring module receives and monitors a first signal from a first rotation sensor, and a second signal from a second rotation sensor, the first and second signals associated with first and second axles of the vehicle, respectively. A speed comparison module calculates a delta value representing a difference between the first and second signals, and generates a speed control signal based on the difference. A speed control module receives the speed control signal, and generates a power signal for controlling an amount of power applied to at least one of the first and second axles based on the speed control signal. An actuation control module receives the power signal, and performs a power allocation function for controlling a speed or power of the hydraulic drive system.
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