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A method and an apparatus for controlling a diesel hybrid vehicle

A technology for hybrid electric vehicles and diesel engines, applied in hybrid electric vehicles, power devices, control devices, etc.

Inactive Publication Date: 2011-06-15
TOYOTA JIDOSHA KK +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, there is no conventional technology that can eliminate torque shock and suppress smoke generation at the same time

Method used

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  • A method and an apparatus for controlling a diesel hybrid vehicle
  • A method and an apparatus for controlling a diesel hybrid vehicle
  • A method and an apparatus for controlling a diesel hybrid vehicle

Examples

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Embodiment Construction

[0023] Exemplary embodiments of the method and apparatus according to the present invention will be described in detail below with reference to the accompanying drawings. The present invention is not limited to these Examples.

[0024] figure 2 is a schematic diagram of relevant components of the diesel hybrid vehicle 10 . For convenience of explanation, it is assumed here that the diesel hybrid vehicle 10 is driven by the front wheels.

[0025] A diesel hybrid vehicle 10 includes a diesel engine 11 as a driving power source. The diesel engine 11 is arranged at the front of the diesel hybrid vehicle 10 . In this diesel engine 11, the amount of fuel injected into the diesel engine and the timing of fuel injection are controlled by a fuel injection system (not shown) based on a common rail system. The amount of air entering the diesel engine 11 is detected by an air flow meter (not shown).

[0026]The diesel engine 11 further includes a turbocharger (not shown), which uses...

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PUM

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Abstract

A motor generator assists torque production to supplement reduction of an output of a diesel engine that is transmitted to a drive shaft during gears are shifted. If an output that is required for the diesel engine when a clutch is engaged to complete gear shifting, the diesel engine is controlled to run within a smoke limit, and insufficiency in the output is supplemented by assisting the torqueproduction with the motor generator. If the output that is required for the diesel engine does not exceed the smoke limit, the diesel engine is controlled to run at the output required, and the motorgenerator does not assist the torque production.

Description

technical field [0001] The present invention relates to a technique for reducing torque shock, that is, the feeling of reduced acceleration, and additionally for suppressing the generation of smoke. Background technique [0002] Diesel hybrids are environmentally friendly; therefore, they are gaining popularity. A typical diesel hybrid consists of a diesel engine, a multi-mode transmission, a clutch, a motor-generator and a turbocharger. The multi-mode transmission can change gears automatically. The clutch controls power transfer between the diesel engine and the multi-mode transmission by engaging and disengaging. An electric generator assists the diesel engine. The motor-generator operates on electricity generated by the diesel engine or from the battery. [0003] In this diesel engine, the injection amount of fuel and the intake amount of air are controlled according to a predetermined control map corresponding to the gear position. [0004] The motor generator basi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K6/20B60W20/00B60K6/48B60K6/547B60L50/16B60W10/02B60W10/04B60W10/06B60W10/08B60W10/10B60W10/11F02D29/00F02D29/02F02D29/06F02D41/02F02D41/10F02D41/18F02N11/04
CPCF02D41/022B60K6/48Y02T10/54F02D2250/38Y02T10/6286F02N11/04B60W10/08B60W20/00B60W10/06F02D41/18F02D41/023B60W10/02F02D2250/24Y02T10/6221Y02T10/40Y02T10/62B60W2030/18081B60W20/15
Inventor 桥本佳宜米田修村田宏树北村雄一郎铃木良英
Owner TOYOTA JIDOSHA KK