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Control apparatus for a hybrid vehicle

A technology for hybrid vehicles and control equipment, which is applied to the arrangement of multiple different prime movers of hybrid vehicles and general power plants, and traction driven by engines, etc., which can solve the problems of prolonged control time, clutches that cannot be connected smoothly, It is prone to problems such as torque vibration, so as to improve driving performance, eliminate the feeling of slow driving or idling driving, and suppress the change of shaft torque

Active Publication Date: 2013-12-04
MITSUBISHI MOTORS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, changes in the output power of the electric motor or the engine are difficult to make the rotating elements of the clutch rotate synchronously.
Therefore, torque vibration easily occurs, and the clutch cannot be connected smoothly
Further, the control time for switching the state of the clutch between the connected state and the released state is sometimes extended

Method used

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

Examples

Experimental program
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Embodiment Construction

[0027] A control apparatus for a hybrid vehicle will be described below with reference to the drawings. Note that the embodiments described below are merely illustrative, and are not intended to exclude various modifications, industrial applications, and the like not described in the embodiments described below. The configurations of the embodiments can be variously modified without departing from the gist of the embodiments, and can be selectively applied or combined with each other as necessary.

[0028] 1. Vehicle

[0029] The control apparatus for a hybrid vehicle according to the first embodiment is applied to figure 1 Vehicle 10 is shown. Vehicle 10 is a FF type hybrid vehicle (front engine, front wheel drive arrangement) in which engine 1 and motor 3 (electric motor) are used as drive sources, and front wheels are used as drive wheels 8 . The power train of the vehicle 10 includes an engine 1 , a motor 3 , a generator 4 (generator), a converter 5 , a battery 6 and a ...

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Abstract

A control apparatus for a hybrid vehicle (10) includes an engine (1), a clutch (2), an electric motor (3), an arithmetic unit (12a), and an engine controlling unit (12b). The motor (3) transmits motive power on a driving wheel (8) side of the clutch (2). A first traveling mode wherein the vehicle (10) is driven by the motor (3) and a second traveling mode wherein the vehicle (10) is driven by the engine (1) are provided. The arithmetic unit (12a) calculates a first target power before the clutch (2) engages upon changeover from the first traveling mode to the second traveling mode, the first target power being for driving by the engine (1) after the clutch (2) engaged. The engine controlling unit (12b) controls, before the engagement of the clutch (2), output motive power of the engine (1) to a second target power that is set equal to or higher than the first target power. By the configuration, the traveling performance upon changeover of the clutch (2) is improved.

Description

technical field [0001] The present invention relates to a control device for a hybrid vehicle including an engine and an electric motor. Background technique [0002] Currently, there is known a hybrid vehicle that incorporates an engine and an electric motor as driving sources for the vehicle, wherein the engine and electric motor are mutually converted for responding to the running situation of the vehicle. In particular, when the vehicle starts or runs at a low speed, use an electric motor with a characteristic of outputting high torque in a low rotation area, and then use an electric motor with a good torque in a high rotation area when the vehicle speed becomes slightly higher. characteristic engine. By selectively using the drive source according to the torque characteristics, the vehicle can be driven to travel efficiently in all situations. [0003] Incidentally, in the power train of such a hybrid vehicle as described above, the clutch is arranged on the power tra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W10/06B60W10/08B60W20/00B60L50/16
CPCB60W20/10Y02T10/6286Y10S903/903B60W10/06B60W2710/0677B60K6/442B60W10/02B60W20/40B60W2510/0208B60W20/00B60W2510/0283Y02T10/6234B60W10/26B60W10/08Y02T10/62
Inventor 新里幸浩
Owner MITSUBISHI MOTORS CORP