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Title:
CONTROL DEVICE FOR AUTOMATIC TRANSMISSION
Document Type and Number:
Japanese Patent JP3955158
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To prevent receiving of an influence by navigation information, even when it makes an error, while a gear ratio is more properly determined by inputting the navigation information, so as to prevent deterioration in responsiveness of control with relatively little navigation information required.
SOLUTION: A descending gradient parameter PKUAVE (PKUAVE 2) is additionally corrected by an (excess) loading weight estimation value HWATNAV 1(S412) when an ascending correction section is judged from navigation information (S408) or when running on a descending path is judged from a gradient parameter (S414). In this way, a gear ratio is determined by selecting a map spreading a three-speed region, gear shift control is performed so that multiple use of an engine brake can be performed at the descending time.


Inventors:
Tatsuyuki Ohashi
Norio Nakauchi
Kazuyuki Konno
Yoshiharu Saito
Kenji Hagiwara
Wakamatsu Hideki
Yukio Morita
Takamichi Shimada
Application Number:
JP25325098A
Publication Date:
August 08, 2007
Filing Date:
August 24, 1998
Export Citation:
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Assignee:
Honda motor industry stock company
International Classes:
F16H61/02; F16H59/24; F16H59/44; F16H59/66; (IPC1-7): F16H61/02; //F16H59:24; F16H59:44; F16H59:66
Domestic Patent References:
JP5071625A
JP9303544A
JP3255253A
JP2309049A
JP10184413A
JP5262251A
Attorney, Agent or Firm:
Yutaka Yoshida