Title:
CONTROL DEVICE OF ELECTRIC FOUR-WHEEL DRIVE VEHICLE
Document Type and Number:
Japanese Patent JP2016030484
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To control a power distribution of a motor which drives front wheels and rear wheels when starting an engine in a state where the front wheels and the rear wheels are driven by the motor, in a four-wheel drive vehicle.SOLUTION: A control device of an electric four-wheel drive vehicle comprises: an engine which drives front wheels Wf or rear wheels Wr; a first motor which can drive the front wheels; a second motor which can drive the rear wheels; a starter generator 24 which can start the engine, and can generate power; a battery; and power conversion devices 20, 22 which supply power from the battery to the first motor and the second motor. The control device also comprises: a start power calculation part 48 which calculates the start power of the engine; an uphill state detection part 50 which detects an uphill state of the vehicle; a first motor power reduction part 52 which reduces power supplied to the first motor so as to secure the start power when an engine start is requested, and the uphill state is detected in a state where the first motor and the second motor are driven; and a first engine start part 54 which starts the engine by the reduced power.SELECTED DRAWING: Figure 2
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Inventors:
ITO MASAKI
KAMESHIMA TAKAHIRO
KAMESHIMA TAKAHIRO
Application Number:
JP2014152954A
Publication Date:
March 07, 2016
Filing Date:
July 28, 2014
Export Citation:
Assignee:
AISIN SEIKI
International Classes:
B60W10/06; B60K6/44; B60K6/52; B60K6/547; B60L15/20; B60L50/16; B60W10/08; B60W20/00; F02N11/04
Domestic Patent References:
| JP2014121961A | 2014-07-03 | |||
| JPH06261419A | 1994-09-16 | |||
| JP2004166367A | 2004-06-10 | |||
| JP2004112851A | 2004-04-08 |
Foreign References:
| US20110172863A1 | 2011-07-14 |
Attorney, Agent or Firm:
Kobayashi Osamu
Kimura Gunji
Kiichi Yamamoto
Kimura Gunji
Kiichi Yamamoto