Parallel hybrid electric vehicle (PHEV) mode switching coordination control system based on interference compensation and control method thereof

A technology of coordinated control system and disturbance compensation, which is applied in the direction of control devices, climate sustainability, hybrid vehicles, etc., can solve the problems affecting the ride comfort of the whole vehicle, sudden changes in motor torque, etc., achieve simple structure, reduce torque sudden changes, and avoid The effect of mathematical calculations

Inactive Publication Date: 2018-11-13
HENAN UNIV OF SCI & TECH
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Problems solved by technology

[0007] Third, simply using the motor torque to compensate for the lack of engine torque response

Method used

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  • Parallel hybrid electric vehicle (PHEV) mode switching coordination control system based on interference compensation and control method thereof
  • Parallel hybrid electric vehicle (PHEV) mode switching coordination control system based on interference compensation and control method thereof
  • Parallel hybrid electric vehicle (PHEV) mode switching coordination control system based on interference compensation and control method thereof

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[0047] Specific embodiments are given below to further explain the technical solution of the present invention clearly, completely and in detail. This embodiment is the best embodiment based on the technical solution of the present invention, but the protection scope of the present invention is not limited to the following embodiments.

[0048] This embodiment takes a single-axis parallel hybrid electric vehicle as the main research object, and takes the process of switching from pure electric to hybrid drive mode as an example to analyze the technical scheme of the present invention in detail:

[0049] Such as figure 1 As shown, a PHEV mode switching coordination control system based on interference compensation includes a drive module, a control module, and an interference observer 13; the control module is connected to the drive module, and the interference observer 13 is connected to the drive module, The control module is connected. The drive module includes the engine 1, the...

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Abstract

The invention discloses a parallel hybrid electric vehicle (PHEV) mode switching coordination control system based on interference compensation and a control method thereof. The control system comprises a driving module, a control module and a disturbance observer, and is simple and efficient, and close in logic. According to the control method, engine and motor torque errors, clutch friction torque errors, uncertainty of a system dynamics model, system modeling errors, elastic constants and damping coefficients of all parts and other factors are considered comprehensively, and the mode switching control system and the control method thereof based on the interference compensation are designed for the mode switching process, the interference observer is simplified to a low pass filter for interference compensation, and the control method is high in precision, simple and efficient, and is more suitable for promotion.

Description

technical field [0001] The invention belongs to the technical field of dynamic coordinated control of hybrid electric vehicles, in particular to a coordinated control technology for preventing power interruption or torque fluctuation during mode switching of hybrid electric vehicles, in particular to a coordinated control system and control method for PHEV mode switching based on interference compensation . Background technique [0002] As we all know, in recent years, resource and environmental problems have become increasingly serious, and the country's fuel consumption regulations and emission standards for passenger vehicles have also continued to tighten. In particular, many countries around the world have recently clarified the timetable for banning the sale of fuel vehicles, and traditional vehicles have been strongly impacted. . Hybrid vehicles not only inherit the power of traditional fuel vehicles, but also increase the cleanliness and environmental protection of ...

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Application Information

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IPC IPC(8): B60W20/11B60W20/15B60W10/06B60W10/08
CPCB60W10/06B60W10/08B60W20/11B60W20/15B60W2050/0002B60W2050/0031B60W2710/0666B60W2710/083Y02T10/62Y02T90/14
Inventor 付主木宋书中关玉雪刘磊坡陶发展李勋
Owner HENAN UNIV OF SCI & TECH
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