Title:
CONTROL DEVICE OF POWER TRANSMISSION DEVICE FOR VEHICLE
Document Type and Number:
Japanese Patent JP2018013231
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a control device of a power transmission device for a vehicle which suitably shortens a time for transiting from packing control to differential rotation control.SOLUTION: Takeover control starts boosting control for boosting a lockup engagement pressure Pof a lockup clutch 32 accompanied by a finish of constant pressure standby control being packing control, and when a state that a difference between an actual difference rotation ΔNand a target difference rotation ΔN* becomes a prescribed value A or lower continues for a preset first time ta1 or longer, or when the actual lockup engagement pressure Pof the lockup clutch 32 is higher than a stroke end pressure Pat which a pack clearance is packed by a prescribed pressure α or more and the state continues for a preset second time ta2 or longer after the start of the boosting control, the boosting control is finished and the difference rotation control is started.SELECTED DRAWING: Figure 7
Inventors:
MATSUBARA KEIGO
OTA SHUNJI
OTA SHUNJI
Application Number:
JP2016144957A
Publication Date:
January 25, 2018
Filing Date:
July 22, 2016
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F16H61/14
Attorney, Agent or Firm:
Haruyuki Ikeda
Kojiro Ikeda
Kojiro Ikeda