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Control device for hybrid vehicle

A hybrid vehicle and control equipment technology, applied in hybrid vehicles, transmission control, arrangement of multiple different prime movers of general power units, etc., can solve problems such as time extension, achieve strong engine braking, improve fuel efficiency Economical, the effect of preventing uneconomical consumption

Inactive Publication Date: 2015-05-20
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the time required to downshift will be extended

Method used

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  • Control device for hybrid vehicle
  • Control device for hybrid vehicle
  • Control device for hybrid vehicle

Examples

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Embodiment Construction

[0013] figure 1 A vehicle on which a control device according to an embodiment of the present invention is assembled is schematically shown. Vehicle 1 includes an internal combustion engine (hereinafter referred to as engine) 2 , a first motor generator (hereinafter simply referred to as first MG) 3 and a second motor generator (hereinafter simply referred to as second MG) 4 . The engine 2 is used as a power source for traveling. The first MG 3 functions as a first electric motor. The second MG 4 serves as the second electric motor. That is, the vehicle 1 is configured as a hybrid vehicle. Engine 2 has multiple (in figure 1 A known spark-ignition internal combustion engine with four cylinders. Furthermore, each of the first MG 3 and the second MG 4 is known as being mounted on a hybrid vehicle and each functions as both a motor and a generator. Therefore, detailed descriptions of them are omitted.

[0014] A transmission 10 is mounted on the vehicle 1 . The transmissio...

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Abstract

In a control device for a hybrid vehicle (1) including a dual-clutch transmission (10), a first MG (3) connected to a first input shaft (13) of the transmission (10) in a power transmittable manner and a second MG (4) connected to a second input shaft (14) of the transmission (10) in a power transmittable manner, while the vehicle (1) is travelling with the use of an internal combustion engine (2), the transmission (10) is controlled such that power transmission between the input shaft, which is interrupted in power transmission from the internal combustion engine (2), and an output system (12) is interrupted when an accelerator pedal is depressed, and the transmission (10) is controlled such that power transmission between the input shaft, which is interrupted in power transmission from the internal combustion engine (2), and the output system (12) is established by a gear train of a speed position lower than a current speed position when depression of the accelerator pedal is released.

Description

technical field [0001] The invention relates to a control device suitable for a hybrid vehicle in which a dual clutch transmission is provided and electric motors are respectively connected to two input shafts of the transmission. Background technique [0002] A double clutch transmission is known in which a gear train is respectively arranged between a first input shaft and an output system and between a second input shaft and an output system and one of the two input shafts is selectively connected to an internal combustion engine. Engine connection. Furthermore, there is known a hybrid vehicle on which the above-mentioned dual-clutch transmission is mounted and the motors are respectively connected to the input shafts of the transmission (see Japanese Patent Application Publication (No. 2003-079005 (JP 2003-079005 A )). In the vehicle described in JP 2003-079005 A, when the driving force of the engine is assisted by one of the first motor and the second motor when the ve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/442B60K6/36B60W20/00F16H61/688F16H13/00
CPCB60K6/36B60K6/442B60W10/113B60W30/19F16H61/688F16H3/006B60K2006/4825B60W2540/10B60W2540/12B60Y2400/428F16H2306/18B60W20/30F16H2061/0015Y10S903/909Y10S903/912Y10S903/93B60W20/15Y02T10/62B60K6/38B60K6/44B60W10/02B60W10/06B60W10/08B60W10/10B60W30/18009
Inventor 田中敬朗
Owner TOYOTA JIDOSHA KK
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