Title:
HYBRID AUTOMOBILE
Document Type and Number:
Japanese Patent JP2017149374
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To more properly reduce the state of charge of a battery when the state of charge of the battery is high.SOLUTION: When an engine is required to stop and when the state of charge of a battery is equal to or lower than a threshold, a target hydraulic pressure Pc* which is acted to a retard side oil chamber from an oil control valve is set at a predetermined hydraulic pressure Pc1 (S120). When the state of charge of the battery is higher than the threshold, the target hydraulic pressure Pc* is set at a predetermined hydraulic pressure Pc2 which is lower than the predetermined hydraulic pressure Pc1 (S130). A target current Ic* sent to the oil control valve from the battery 50 is set such that, when the target hydraulic pressure Pc* is low, it becomes large as compared with the target current at the time when the target hydraulic pressure is high (S140), and by using the target current Ic*, a current adjustment part is controlled (S150). With this, the state of charge of the battery can be properly reduced when the state of charge of the battery is high.SELECTED DRAWING: Figure 6
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Inventors:
OSAWA TAIJI
Application Number:
JP2016035919A
Publication Date:
August 31, 2017
Filing Date:
February 26, 2016
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60W10/06; B60K6/40; B60K6/445; B60W20/00; F01L1/356; F02D13/02; F02D29/02
Attorney, Agent or Firm:
Aitec International Patent Office