Method of reducing current consumption of electric hydraulic...

Details Method of reducing current consumption of electric hydraulic... Method of reducing current consumption of electric hydraulic...

2008-12-10

2011-11-08

Nguyen, Tan Q (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Electric vehicle

C701S041000, C323S285000

Reexamination Certificate

active

08055398

ABSTRACT:
A method of reducing current consumption of an electric hydraulic power steering system for a vehicle includes determining whether or not a steering wheel is manipulated after an engine is started, and activating a sleep mode if it is determined that the steering wheel is not manipulated and if a vehicle speed is lower than a reference value for activating the sleep mode, or if it is determined that the steering wheel is manipulated and if an amount of current conducted in a motor, a vehicle speed and a steering angular velocity are lower than respective reference values for a predetermined time. According to the method, it is possible to reduce current consumption when the steering wheel is not manipulated and improve the vehicular fuel efficiency.

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