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Title:
GEAR CHANGE CONTROL DEVICE FOR VEHICLE
Document Type and Number:
Japanese Patent JP2019138426
Kind Code:
A
Abstract:
To suppress the generation of a shock after a finish of a gear change when slip-controlling a lockup clutch by using feedback control at an upshift.SOLUTION: A gear change control device for a vehicle which is mounted to the vehicle,, connected to an engine 1 via a torque converter 2 with a lockup clutch 20, and controls an automatic transmission 10 having a plurality of gear change stages comprises: lockup clutch control means 50B for slip-controlling the lockup clutch 20 by using feed/forward control based on a target slip rotational speed which is set on the basis of a drive state of the vehicle, and feedback control; gear change control means 50A for performing an upshift or a downshift on the basis of the drive state of the vehicle at the traveling of the vehicle; and feedback control prohibition means 60 for prohibiting the feedback control at a specified upshift at which the feedback control induces a shock immediately after a finish of the upshift.SELECTED DRAWING: Figure 1

Inventors:
ZHOU BO
Application Number:
JP2018024288A
Publication Date:
August 22, 2019
Filing Date:
February 14, 2018
Export Citation:
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Assignee:
JATCO LTD
NISSAN MOTOR
International Classes:
F16H61/04; F16H59/70; F16H61/14; F16H61/68
Attorney, Agent or Firm:
真田 有



 
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