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Torque distribution method and system for dual motor extended range driving hybrid vehicles

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: 2019-10-18
高晓杰
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  • Summary
  • Abstract
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  • Application Information

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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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  • Torque distribution method and system for dual motor extended range driving hybrid vehicles
  • Torque distribution method and system for dual motor extended range driving hybrid vehicles
  • Torque distribution method and system for dual motor extended range driving hybrid vehicles

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Embodiment Construction

[0051] The present invention will be further described below in conjunction with the drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used 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, and 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 transmission controller TCU are all connected to the vehicle controller HCU, the engine controller ECU controls the engine, and the first motor controller MCU1 and the second motor control The MCU2 controls the first motor and the second motor respectively....

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Abstract

The invention discloses a torque distribution method for dual motor extended range driving hybrid vehicles. The method includes a torque distribution method of a single motor mode, a torque distribution method of a dual motor mode, a torque distribution method of a series connection mode and a torque distribution method of a parallel connection mode. A corresponding system is simultaneously disclosed. Distribution can be performed on torque by combining the states of a vehicle and considering speed and pedal opening values under different modes, so that the smooth changing of the torque can berealized, and dual motor extended range driving hybrid vehicles can be ensured to be energy-saving, environment-friendly and high in reliability.

Description

Technical field [0001] The invention relates to a torque distribution method and system for a dual-motor extended-range drive 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 alternatives to traditional vehicles in the near future. Major domestic auto companies are also actively launching hybrid vehicles of different structure types, and hybrid vehicles are in a stage of rapid growth in sales. Dual-motor extended-range drive hybrid vehicles have the characteristics of hybrid vehicles and pure electric vehicles. In order to ensure the economy and power of the system vehicles, the hybrid power mode needs to be switched quickly and smoothly as a hybrid mode switch. One of the steps in the process, torque distribution is especially important. The existing dual-...

Claims

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Application Information

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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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