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Dual-motor range-extending drive hybrid vehicle torque distribution method and system

A hybrid vehicle and torque distribution technology, applied in hybrid vehicles, motor vehicles, transportation and packaging, etc., to achieve energy saving, environmental protection, reliability, and smooth torque changes

Active Publication Date: 2021-09-07
高晓杰
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  • Abstract
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Problems solved by technology

[0003] The present invention provides a dual-motor range-extending drive hybrid vehicle torque distribution method and system, which solves the above-mentioned problems existing in the existing torque distribution

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  • Dual-motor range-extending drive hybrid vehicle torque distribution method and system
  • Dual-motor range-extending drive hybrid vehicle torque distribution method and system
  • Dual-motor range-extending drive hybrid vehicle torque distribution method and system

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Embodiment Construction

[0051] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0052] Such as figure 1 As shown, the dual-motor extended-range drive hybrid power system includes a vehicle controller HCU, an engine, an engine controller ECU, a first motor M1, a second motor M2, a first motor controller MCU1, a second motor controller MCU2, a series Parallel transmission assembly and transmission controller TCU.

[0053] The engine controller ECU, the first motor controller MCU1, the second motor controller MCU2 and the gearbox controller TCU are all connected to the vehicle controller HCU, the engine controller ECU controls the engine, the first motor controller MCU1 and the second motor control MCU2 respectively controls the first motor and the second motor, wherein the ...

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Abstract

The invention discloses a torque distribution method for a dual-motor range-extending drive hybrid vehicle, including a single-motor mode torque distribution method, a dual-motor mode torque distribution method, a series mode torque distribution method and a parallel mode torque distribution method. A corresponding system is also disclosed at the same time. In different modes, the present invention combines the state of the vehicle and considers the speed of the vehicle and the pedal opening value to distribute the torque, so that the torque changes smoothly, ensuring that the dual-motor extended-range driving hybrid vehicle is energy-saving, environmentally friendly and has high reliability.

Description

technical field [0001] The invention relates to a torque distribution method and system for a dual-motor range-extended driving hybrid vehicle, belonging to the field of electric vehicles. Background technique [0002] At present, the characteristics of energy saving, environmental protection, mature technology and relatively low cost of hybrid electric vehicles will make them one of the preferred solutions to replace traditional vehicles in the near future. Major domestic car companies are also actively launching hybrid vehicles with different structures, and the sales of hybrid vehicles are in a stage of rapid growth. Dual-motor extended-range drive hybrid vehicles have the characteristics of both hybrid vehicles and pure electric vehicles. In order to ensure the economical and dynamic advantages of the system vehicle, the hybrid mode switching needs to be as fast and smooth as possible. One of the steps in the torque distribution is especially important. The existing du...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W10/08B60W20/20B60W40/00B60W40/105
CPCB60W10/08B60W20/20B60W40/00B60W40/105
Inventor 高晓杰孙永正马网俊
Owner 高晓杰
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