System and method for controlling a vehicle
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United States of America Patent
Stats
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Aug 27, 2019
Grant Date -
May 3, 2018
app pub date -
Nov 3, 2016
filing date -
Nov 3, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system includes a drive system having one or more traction motors coupled in driving relationship to a plurality of wheels of a vehicle system. The traction motors are configured to provide both motive power for the vehicle system in a propel mode of operation and retarding effort to brake the vehicle system in a braking mode of operation. The system further includes a parking brake for maintaining a static position of the vehicle system when in an engaged state, and a controller configured to detect when the parking brake is in the engaged state. The controller is further configured to control at least one of the one or more traction motors to provide a braking effort to resist movement of the vehicle system when the parking brake is in the engaged state.
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