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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9132731 B1

PDFFull Text
Date of Patent:
Sep. 15, 2015

Filed:

Sep. 19, 2007

Vehicle drive force distribution control system

Applicants:

Ichiro Yamaguchi, Yokohama, JP;

Yoshitaka Deguchi, Yokohama, JP;

Inventors:

Ichiro Yamaguchi, Yokohama, JP;

Yoshitaka Deguchi, Yokohama, JP;

Assignee:

NISSAN MOTOR CO., LTD., Yokohama-shi, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Imran Mustafa

Int. Cl.
CPC ...
G06F 7/00 (2006.01); G06F 17/00 (2006.01); G06F 19/00 (2011.01); B60K 23/08 (2006.01); B60K 6/52 (2007.10); B60K 17/356 (2006.01); B60W 10/06 (2006.01); B60W 10/08 (2006.01); B60W 30/045 (2012.01); B60K 7/00 (2006.01); B60W 10/04 (2006.01); B60W 10/18 (2012.01); B60W 50/00 (2006.01);
U.S. Cl.
CPC ...
B60K 23/0808 (2013.01); B60K 6/52 (2013.01); B60K 17/356 (2013.01); B60W 10/06 (2013.01); B60W 10/08 (2013.01); B60W 30/045 (2013.01); B60K 7/0007 (2013.01); B60L 2240/423 (2013.01); B60W 10/04 (2013.01); B60W 10/18 (2013.01); B60W 2050/0028 (2013.01); B60W 2300/18 (2013.01); B60W 2520/14 (2013.01); B60W 2710/083 (2013.01); B60W 2720/14 (2013.01); B60W 2720/30 (2013.01); Y02T 10/6265 (2013.01); Y02T 10/6286 (2013.01); Y02T 10/642 (2013.01);
Abstract

A controller () controlling a drive force distributed to each wheel (-) of a vehicle sets dynamic drive force target values (Fxf**, Fx**, Fx**) to the wheels, and determines a variation amount target ratio related to variation amounts (ΔM, ΔFx, ΔFy) of a vehicle yaw moment (M), a vehicle front/aft force (Fx), and a vehicle lateral force (Fy) such that a vehicle behavior generated by the dynamic drive force target values does not vary. The controller () determines sets of the drive forces (Fxf(j, k), Fx(j, k), Fx(j, k)) realizing the variation amount target ratio, selects drive force command values from these sets such that each drive force command value is within a drive force limiting range, and controls a drive force regulating mechanism () according to the selected drive force command values.

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