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    • 2. 发明专利
    • Apparatus and Method for Controlling Oil Pump of Plug-in Hybrid Electronic Vehicle
    • AU2011200023A1
    • 2012-06-21
    • AU2011200023
    • 2011-01-05
    • MOTONIC CORP
    • KIM JUNG DAEKIM HAE JINKIM HYUNG SOO
    • B60W20/00B60W10/08B60W10/30F01M1/02
    • Disclosed are an apparatus and a method for controlling an oil pump installed in a plug-in hybrid electric vehicle. The apparatus includes a motor driving 5 unit to drive a motor for driving the oil pump, a Hall sensor for detecting a position of a rotor installed in the motor, a CAN transceiver for transmitting or receiving a PWM signal to or from a main controller, a central processing unit receiving an RPM and a target RPM of a 10 vehicle engine from the main controller through the CAN transceiver, outputting a target RPM of the motor to the motor driving unit as the PWM signal, receiving an actual RPM of the motor from the motor driving unit and transmitting the actual RPM of the motor to the main 15 controller, and a power supply for supplying power to the central processing unit and the motor driving unit, wherein the motor driving unit includes a gate driver, a motor driver connected to the gate driver to drive the motor, and a motor controller, which calculates the actual RPM of the 20 motor based on the position of the rotor transmitted from the Hall sensor to transmit the actual RPM of the motor to the central processing unit, and outputs a PWM control signal output from the central processing unit to the gate driver, and the power supply supplies high voltage of a 25 high-voltage battery to the motor driver and the gate driver, and supplies voltage of a battery to the central processing unit, the CAN transceiver and the motor controller. The motor is driven by using high voltage of the high-voltage battery, so that current consumption is S reduced when the motor is driven, thereby reducing power consumption of the vehicle. IG key on S10 central processing unit driving S11 5V low voltage output S12 15V high voltage output S13 5V high voltage output g14 CAN communication with main controller IsS15 duty value setting S16 rotor position detecting S17 convert motor driving signal into high-voltage signal S1S motor switching signal generation S19 motor driving S20 error inspection S21 convert input period of motor switching signal S22 cal late present RPM of moS23 change duty value _-S24 NO motor stop S25 finish motor driving