CN-121989902-A - Vehicle control method, storage medium, and program product

CN121989902ACN 121989902 ACN121989902 ACN 121989902ACN-121989902-A

Abstract

The invention discloses a vehicle control method, a storage medium, and a program product. The method comprises the steps of obtaining a user driving requirement of a vehicle and a state of charge of a battery of the vehicle, determining an operation mode of a plurality of power devices on the vehicle based on the user driving requirement and the state of charge, wherein the operation mode is used for representing a cooperative working mode among different power devices, determining device control parameters of the power devices based on the user driving requirement and the operation mode, and controlling the power devices to operate based on the device control parameters so as to control the vehicle to operate. The invention solves the technical problems that the stability of cooperative control of a plurality of power devices on the vehicle is poor and the vehicle using experience of a user is affected in the related art.

Inventors

LI XIANGYU
TAN SHULIANG
LI DEHUA
WANG LINLIN
SUN HAN
MENG FANSEN

Assignees

一汽解放汽车有限公司

Dates

Publication Date: 20260508
Application Date: 20260303

Claims (10)

1.A vehicle control method characterized by comprising: acquiring a user driving requirement of a vehicle and a state of charge of a vehicle battery; Determining an operation mode of a plurality of power devices on the vehicle based on the user driving demand and the state of charge, wherein the operation mode is used for representing a cooperative working mode among different power devices; Determining device control parameters of the plurality of power devices based on the user driving demand and the operating mode; The plurality of power plants are controlled to operate based on the plant control parameters to control the vehicle operation.
2. The method of claim 1, wherein determining an operating mode of a plurality of power plants on the vehicle based on the user driving demand and the state of charge comprises: Determining a drive torque demand of the vehicle based on the user driving demand; Matching the driving torque requirement with a preset torque range to obtain a torque matching result, wherein the torque matching result is used for representing whether the driving torque requirement is in the preset torque range or not; Matching the state of charge with a preset electric quantity range to obtain an electric quantity matching result, wherein the electric quantity matching result is used for representing whether the state of charge is in the preset electric quantity range or not; and determining the operation mode based on the torque matching result and the electric quantity matching result.
3. The method of claim 2, wherein determining the operating mode based on the torque match result and the charge match result comprises: determining that the operation mode is a pure electric operation mode in response to the torque matching result being that the driving torque demand is smaller than a minimum value in the preset torque range and the electric quantity matching result being that the state of charge is larger than a maximum value in the preset electric quantity range; Determining that the operation mode is a series operation mode in response to the torque matching result being that the driving torque demand is less than a minimum value in the preset torque range and the electric quantity matching result being that the state of charge is less than a minimum value in the preset electric quantity range; Determining that the operation mode is an engine direct drive mode in response to the torque matching result being that the driving torque demand is within the preset torque range; and determining that the operation mode is a parallel driving mode in response to the torque matching result being that the driving torque requirement is greater than the maximum value in the preset torque range.
4. The method of claim 1, wherein determining device control parameters of the plurality of power devices based on the user driving demand and the operating mode comprises: determining an operating mode of the plurality of power devices based on the operating mode; And inputting the equipment operation mode and the user driving requirement into a parameter construction model, and determining the equipment control parameter by using the parameter construction model.
5. The method of claim 4, wherein the plurality of power plants includes a first electric machine coupled to a driveline of the vehicle, a second electric machine coupled to an engine of the vehicle, and a first clutch disposed between the second electric machine and the engine, and wherein determining the operating mode of the plurality of power plants based on the operating mode includes: Determining an operating mode of the first electric machine to power the vehicle in response to the operating mode being a pure electric mode; determining the operation mode of the second motor to drive a fan in a cooling system to operate; Determining operation of the first clutch in such a way that the first clutch is disengaged.
6. The method of claim 5, wherein the plurality of power plants further comprises a second clutch and the engine, the second clutch disposed between the first electric machine and the driveline, the method further comprising: Determining that the engine is operated in a manner of driving the second motor and the fan to operate in response to the operation mode being a series operation mode; determining a mode of operation of the first electric machine to provide power to the vehicle; determining that the operation mode of the first clutch is the connection of the first clutch; And determining the operation mode of the second clutch as the second clutch is separated.
7. The method of claim 5, wherein the method further comprises: determining an operating mode of the engine to power the vehicle and driving the fan to operate in response to the operating mode being an engine direct drive mode; Determining the running mode of the first motor to be follow rotation; determining the operation mode of the second motor to be follow rotation; the operation mode of the first clutch is determined to be the connection of the first clutch.
8. The method of claim 5, wherein the method further comprises: Determining an operating mode of the engine to power the vehicle and to drive the fan in response to the operating mode being a parallel drive mode; determining a mode of operation of the first electric machine to provide power to the vehicle; determining the operation mode of the second motor to be follow rotation; the operation mode of the first clutch is determined to be the connection of the first clutch.
9. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored executable program, wherein the executable program when run controls a device in which the storage medium is located to perform the method of any one of claims 1 to 8.
10. A computer program product comprising a computer program which, when executed by a processor, implements the method according to any one of claims 1 to 8.

Description

Vehicle control method, storage medium, and program product Technical Field The present invention relates to the field of vehicle control, and in particular, to a vehicle control method, a storage medium, and a program product. Background The motorization and the intellectualization have become important trends in the global automobile industry, and the hybrid electric vehicle is a vehicle type combining the advantages of the traditional internal combustion engine and the motor, and has received wide attention in the market due to the balanced performance of energy conservation, emission reduction and power performance. However, the cooperative control mechanism of multiple power devices on the present hybrid vehicle still has certain defects and challenges, especially in terms of smooth switching over the power provided by different multiple power devices, with poor stability, which directly affects the user experience. Disclosure of Invention The embodiment of the invention provides a vehicle control method, a storage medium and a program product, which at least solve the technical problems that the stability of cooperative control of a plurality of power devices on a vehicle is poor and the vehicle using experience of a user is influenced in the related art. According to one aspect of the embodiment of the invention, a vehicle control method is provided, and comprises the steps of obtaining a user driving requirement of a vehicle and a state of charge of a vehicle battery, determining an operation mode of a plurality of power devices on the vehicle based on the user driving requirement and the state of charge, wherein the operation mode is used for representing a cooperative working mode among different power devices, determining device control parameters of the power devices based on the user driving requirement and the operation mode, and controlling the operation of the power devices based on the device control parameters so as to control the operation of the vehicle. Further, determining an operation mode of a plurality of power devices on a vehicle based on a user driving requirement and a state of charge comprises determining a driving torque requirement of the vehicle based on the user driving requirement, matching the driving torque requirement with a preset torque range to obtain a torque matching result, wherein the torque matching result is used for representing whether the driving torque requirement is in the preset torque range, matching the state of charge with a preset electric quantity range to obtain an electric quantity matching result, wherein the electric quantity matching result is used for representing whether the state of charge is in the preset electric quantity range, and determining the operation mode based on the torque matching result and the electric quantity matching result. Further, an operation mode is determined based on the torque matching result and the electric quantity matching result, wherein the operation mode is determined to be a pure operation mode according to the torque matching result that the driving torque demand is smaller than the minimum value in the preset torque range and the electric quantity matching result that the charge state is larger than the maximum value in the preset electric quantity range, the operation mode is determined to be a series operation mode according to the torque matching result that the driving torque demand is smaller than the minimum value in the preset torque range and the electric quantity matching result that the charge state is smaller than the minimum value in the preset electric quantity range, the operation mode is determined to be an engine direct drive mode according to the torque matching result that the driving torque demand is within the preset torque range, and the operation mode is determined to be a parallel drive mode according to the torque matching result that the driving torque demand is larger than the maximum value in the preset torque range. Further, determining device control parameters of the plurality of power devices based on the user driving demand and the operating mode includes determining an operating mode of the plurality of power devices based on the operating mode, inputting the device operating mode and the user driving demand to a parameter construction model, and determining the device control parameters using the parameter construction model. Further, the plurality of power devices include a first motor, a second motor, and a first clutch, the first motor is connected with a transmission system of the vehicle, the second motor is connected with an engine of the vehicle, the first clutch is disposed between the second motor and the engine, determining an operating mode of the plurality of power devices based on the operating mode includes determining the operating mode of the first motor to provide power to the vehicle in response to the operating mode being a pure electric operating mode, d