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Control apparatus for hybrid vehicle

A hybrid vehicle and control device technology, applied in hybrid vehicles, power devices, control devices, etc., can solve the problem of reducing the regenerative torque of the electric motor, increasing the assist amount of the electric motor to the internal combustion engine, and inability to ensure the uphill driving performance, etc. problems, to achieve the effect of preventing excessive reduction of margin and restraining power consumption

Active Publication Date: 2012-09-19
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, in the hybrid vehicle control device of the prior art described above, when traveling on an uphill road, only the regenerative torque of the electric motor is relatively reduced, or the assist amount of the electric motor to the internal combustion engine is increased. When the driving time on the road is long, or when the uphill slope of the uphill road is relatively steep, etc., the electric energy required to drive the electric motor may be insufficiently stored in the accumulator, resulting in The problem that the expected uphill driving performance cannot be ensured

Method used

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  • Control apparatus for hybrid vehicle
  • Control apparatus for hybrid vehicle

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Embodiment Construction

[0057] Hereinafter, a control device for a hybrid vehicle according to an embodiment of the present invention will be described with reference to the drawings.

[0058] The hybrid vehicle 1 of the present embodiment is as figure 1 Shown is a parallel hybrid vehicle in which an internal combustion engine (ENG) 11 , a motor (MOT) 12 , and a transmission (T / M) 13 are connected in series. The driving forces of both the internal combustion engine 11 and the motor 12 are distributed and transmitted to left and right drive wheels W, W through a transmission 13 and a differential (not shown). When the hybrid vehicle 1 decelerates, when the driving force is transmitted from the driving wheel W side to the motor 12 side, the motor 12 functions as a generator to generate so-called regenerative braking force, and recover the kinetic energy of the vehicle body as electrical energy. Corresponding to the operating state of the hybrid vehicle 1, the motor 12 is driven by the output of the in...

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Abstract

The invention provides a control apparatus for a hybrid vehicle. The control apparatus for a hybrid vehicle includes an internal combustion engine and a generator motor, a capacitor, and a driving force assisting unit. Further, the control device includes a switching unit that selects an appropriate traveling range from a plurality of traveling ranges including at least a normal traveling range and a charging priority range for preferentially charging the capacitor and switches the range, and a threshold value increasing unit that increases, when the charging priority range is selected by the switching unit, the predetermined determination threshold value as compared to when the normal traveling range is selected by the switching unit.

Description

[0001] This application is based on Article 42 of the Detailed Rules for the Implementation of the Patent Law, and is a divisional application of the invention patent application "control device for hybrid vehicles" with the filing date of July 10, 2008 and the application number of 200880023748.6. technical field [0002] The present invention relates to a control device for a hybrid vehicle. [0003] This application uses Japanese Patent Application No. 2007-183462 as a basic application, and takes the content here. Background technique [0004] Conventionally, for example, a hybrid vehicle has been known (for example, refer to Patent Document 1), which has an internal combustion engine and an electric motor as drive sources, and at least transmits the driving force of either the internal combustion engine or the electric motor to the drive. When driving on an uphill road, the regenerative torque of the electric motor is relatively reduced, thereby preventing excessive dec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/485B60L11/14B60L11/18B60W10/08B60W10/26B60W30/18B60L15/20B60L50/16B60W10/06B60W10/10B60W20/00F02D45/00
CPCB60W2540/10Y02T10/6226Y02T10/7044Y02T90/14B60W2510/244B60Y2400/112Y02T10/7291Y02T10/7005Y02T90/16B60W2540/103B60L2240/642B60W2710/065Y02T10/705B60K6/485B60L11/1861B60W10/08B60K6/28Y02T10/52B60L2240/441Y02T10/6278B60L2200/26B60W2550/142B60W30/18127B60W20/00B60L11/185Y02T10/7258B60L2250/28B60L11/14Y02T10/7077B60W10/26B60W2710/0644Y02T10/7088B60W2510/0638Y02T90/128Y02T10/70Y02T10/7072Y02T10/84B60L50/16B60L53/11B60L58/12B60W2552/15Y02T10/40Y02T10/62Y02T10/72B60W50/0097B60W10/24B60W40/076B60W20/12Y02T90/12
Inventor 后藤启介福田俊彦冈川洋平伊东洋
Owner HONDA MOTOR CO LTD
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