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Patent Searching and Data


Title:
VEHICLE DRIVE FORCE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2007/046543
Kind Code:
A1
Abstract:
A powertrain manager executes a program including: a step (S100) for reading out a transmission control instruction gear ratio kgear (1); a step (S200) for calculating an actual gear ratio kgear (2); a step (S400) for judging that an automatic transmission has failed at the lower gear stage side if kgear (1) < {kgear (2)/α} or kgear (1) < {kgear (2) - β} (YES in S300); and a step (S500) for substituting kgear (1) or kgear (2) which is greater into the gear ratio for calculation.

Inventors:
KUWAHARA SEIJI (JP)
KAIGAWA MASATO (JP)
Application Number:
PCT/JP2006/321316
Publication Date:
April 26, 2007
Filing Date:
October 19, 2006
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
KUWAHARA SEIJI (JP)
KAIGAWA MASATO (JP)
International Classes:
B60W10/04; B60W10/06; B60W10/10; B60W10/11; F02D29/00; F16H61/12; F16H61/68; F16H59/40; F16H59/42; F16H59/70
Foreign References:
JP2002087117A2002-03-26
JP2000289496A2000-10-17
JPH11280882A1999-10-15
JPH04171353A1992-06-18
Attorney, Agent or Firm:
FUKAMI, Hisao et al. (Nakanoshima Central Tower 22nd Floor, 2-7, Nakanoshima 2-chome, Kita-k, Osaka-shi Osaka 05, JP)
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