Title:
CONTROL DEVICE OF VEHICLE
Document Type and Number:
Japanese Patent JP2019184001
Kind Code:
A
Abstract:
To prevent abnormality detection and secure start performance when performing a control mode for deciding solenoid pressure while ignoring a line pressure request from a constituent element of a power transmission device.SOLUTION: In a control device of a vehicle having: a power transmission device in which a belt-type continuously variable transmission and a gear mechanism are aligned in parallel with each other; a synchronization mechanism arranged in a power transmission path via the gear mechanism; and a plurality of solenoid valves, the control device has learning control means which restricts solenoid pressure so as not to be lowered below pressure for maintaining the synchronization mechanism in an engagement state when executing a control mode for arbitrarily deciding the solenoid pressure output from the solenoid valves while ignoring a line pressure request from a constituent element of the power transmission device, and does not calculate a learning value during the restriction. The fact that the synchronization mechanism is in the engagement state is included in an execution condition of the control mode, and when the synchronization mechanism is released during the control mode, the learning control means ceases the control mode, and makes the synchronization mechanism be re-engaged.SELECTED DRAWING: Figure 4
Inventors:
WASHIO TAICHI
MINAMI TAKAFUMI
MINAMI TAKAFUMI
Application Number:
JP2018077524A
Publication Date:
October 24, 2019
Filing Date:
April 13, 2018
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F16H61/02; F16H61/18; F16H61/662
Attorney, Agent or Firm:
Sakai International Patent Office