Vehicle control method and device based on BSG motor

A BSG motor and charging control technology, which is applied to control devices, motor vehicles, and vehicle components, can solve problems such as increased costs, high development costs, and difficulty in matching power control systems and gearbox control systems

Active Publication Date: 2018-09-18
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The 48-volt weak-hybrid technology that matches the non-self-developed automatic transmission is in the hands of foreign companies. If the 48-volt weak-hybrid technology that matches the non-self-developed automatic transmission is developed, due to the limi

Method used

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  • Vehicle control method and device based on BSG motor
  • Vehicle control method and device based on BSG motor
  • Vehicle control method and device based on BSG motor

Examples

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Embodiment 1

[0059] This embodiment provides a vehicle control method based on a BSG motor, which is used in an engine controller, such as figure 2 As shown, steps S101, S102 and S103 are included, and each step will be described in detail below.

[0060] In step S101, the current vehicle information collected in real time is received. The current vehicle information includes the current engine state, current gear position, current vehicle speed, current first battery level, current second battery level, current BSG motor mode, current accelerator pedal degrees, current brake pedal opening and current coolant temperature.

[0061] In step S102, a control strategy is determined according to current vehicle information, and a corresponding control signal is sent according to the control strategy.

[0062] In step S103, the current failure mode is judged according to the current vehicle information, the control strategy and the corresponding control signal, and a corresponding alarm indicat...

Embodiment 2

[0080] This embodiment provides a vehicle control method based on a BSG (Belt-driven Starter / Generator) motor, and the control method is used in an engine controller ECU (Engine Control Unit), such as image 3 As shown, steps S201, S202 and S203 are included, and each step will be described in detail below.

[0081] In step S201, the current vehicle information collected in real time is received. The current vehicle information includes the current gear position, current vehicle speed, current first battery level, current second battery level, current BSG motor mode, current accelerator pedal opening, current brake Pedal opening and current coolant temperature.

[0082] Among them, the current engine state is used to indicate whether the current engine is running or turned off. The first battery refers to the 12V lead-acid battery assembled in ordinary vehicles, and the second battery refers to the newly added 48V lithium-ion battery in the present invention. The current BSG ...

Embodiment 3

[0139] This embodiment provides a vehicle control device based on a BSG motor, the control device is used in the engine controller ECU, such as Figure 4 As shown, it includes an information collection module 301 , a policy determination module 302 and a fault judgment module 303 , and each step will be described in detail below.

[0140] The information collection module 301 is configured to receive the current vehicle information collected in real time. The current vehicle information includes the current gear position, the current vehicle speed, the current first battery level, the current second battery level, the current BSG motor mode, and the current accelerator pedal opening , the current brake pedal opening and the current coolant temperature;

[0141] Among them, the current engine state is used to indicate whether the current engine is running or turned off. The first battery refers to the 12V lead-acid battery assembled in ordinary vehicles, and the second battery ...

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Abstract

The invention provides a vehicle control method and device based on a BSG motor and belongs to the field of automobile electronic control. The vehicle control method and device based on the BSG motoris used in an engine controller. The vehicle control method based on the BSG motor comprises the steps of receiving current vehicle information collected in real time, wherein the current vehicle information comprises a current engine state, a current gear, a current vehicle speed, a current first battery capacity, a current second battery capacity, a current BSG motor mode, a current acceleratorpedal opening, a current brake pedal opening and a current coolant temperature; according to the current vehicle information, determining a control strategy; according to the control strategy, transmitting a corresponding control signal; according to the current vehicle information, the control strategy and the corresponding control signal, judging the current fault mode; and according to the current fault mode, transmitting a corresponding alarm indication signal to an instrument panel. Therefore, the vehicle control strategy with 48-volt weak mixing system is integrated in the engine controller so that the vehicle is controlled by at a low cost on the basis of the BSG motor.

Description

technical field [0001] The invention relates to the field of automotive electronic control, in particular to a vehicle control method and device based on a BSG motor. Background technique [0002] With the increasingly stringent fuel consumption regulations and the development of automotive technology, more and more models have begun to use hybrid technology to match the motor and internal combustion engine to reduce fuel consumption and improve the driving experience. [0003] The weak hybrid technology in the hybrid technology, especially the 48-volt weak hybrid technology, can realize the automatic start and stop of the engine at a relatively low cost, increase the torque output through the motor to assist starting and acceleration, and power recovery during braking or coasting. [0004] During the process of realizing the present disclosure, the inventors found that the related technologies have at least the following problems: [0005] The 48-volt weak-hybrid technolog...

Claims

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Application Information

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IPC IPC(8): B60W20/20B60W20/40B60W20/50
CPCB60W20/20B60W20/40B60W20/50B60W2510/0676B60W2510/1005B60W2510/244B60W2520/10B60W2540/10B60W2540/12
Inventor 祁克光李康杨俊伟戴祥亭王路路
Owner CHERY AUTOMOBILE CO LTD
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