AUTOMATIC GEAR CHANGER CONTROL DEVICE AND CONTROL METHOD

WIPO Patent Application WO/2018/016539

A1

A gear change control means comprises: a deceleration state-determining section (10d) for determining whether the deceleration of a vehicle is in a gradual deceleration state or a rapid deceleration state; and a downshift control section (10c) for giving a single-gear downshift command for downshifting from the current gear to the next gear, which is one gear lower than the current gear, when the vehicle is determined to be in a gradual deceleration state, and for giving a multiple-gear downshift command for downshifting from the current gear of the automatic gear change mechanism to a target gear that is at least two gears lower than the current gear when the vehicle is determined to be in a gradual deceleration state.

JPH01153850	CONTROL DEVICE FOR BACKING OF VEHICLE-BORNE AUTOMATIC TRANSMISSION WITH SUB-TRANSMISSION PORTION
WO/2003/087629	TRANSMISSION CONTROLLER AND METHOD FOR DETERMINING A TARGETED GEAR IN AN AUTOMATIC TRANSMISSION
JP6300777	Abnormality detection device for hydraulic circuit and abnormality detection method for hydraulic circuit

OKUMURA KUNIHIKO (JP)
FUJII TAKESHI (JP)

PCT/JP2017/026142

January 25, 2018

July 19, 2017

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JATCO LTD (JP)
NISSAN MOTOR (JP)

F16H61/02; F16H59/18; F16H59/34; F16H59/36; F16H59/48; F16H61/686

JP2010078124A	2010-04-08
JP2000130577A	2000-05-12
JP2002310280A	2002-10-23
JP2002195402A	2002-07-10
JP2005076782A	2005-03-24

See also references of EP 3489554A4

KOBAYASHI, Hiromichi et al. (JP)

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