Title:
DRIVE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/033889
Kind Code:
A1
Abstract:
A drive control device for a vehicle, driving one of a pair of front wheels and a pair of rear wheels using an engine and driving the other using a motor, reduces the driving force of the motor and estimates the frictional coefficient of the road surface at the same time as when the grip is recovered. Furthermore, the drive control device transmits the driving force of the engine to the driving wheels, and temporarily increases the driving force of the motor while referring to the driving force of the engine and a grip limit line of the motor-driven wheels according to the estimated frictional coefficient of the road surface.
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Inventors:
MAKI, Kentaro (HITACHI LTD. 1-1, Omika-cho 7-chome, Hitachi-sh, Ibaraki 92, 〒3191292, JP)
Application Number:
JP2010/063650
Publication Date:
March 24, 2011
Filing Date:
August 11, 2010
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD. (2520, Takaba Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
日立オートモティブシステムズ株式会社 (〒03 茨城県ひたちなか市高場２５２０番地 Ibaraki, 〒3128503, JP)
日立オートモティブシステムズ株式会社 (〒03 茨城県ひたちなか市高場２５２０番地 Ibaraki, 〒3128503, JP)
International Classes:
B60W10/08; B60K6/44; B60K6/52; B60L11/14; B60L15/20; B60W10/06; B60W20/00; F02D29/02
Attorney, Agent or Firm:
NAGAI, Fuyuki (Fukoku Seimei Building 2-2-2, Uchisaiwaicho, Chiyoda-k, Tokyo 11, 〒1000011, JP)
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