CN-122014444-A - Auxiliary control method and system for running of automobile engine

Abstract

The invention relates to the technical field of automobile control, in particular to an auxiliary control method and an auxiliary control system for automobile engine operation. The method comprises the following steps of collecting engine parameter data, driving operation behavior data of a driver and vehicle state data, analyzing and obtaining driving habit data of the driver based on the driving operation behavior data of the driver and obtaining a vehicle running state based on the vehicle state data, obtaining control parameters to be optimized of the engine based on the driving habit data of the driver, the vehicle running state and the engine parameter data, and optimizing and adjusting the engine based on the control parameters to be optimized. The invention can solve the problems that the prior art adopts ECU data with conserved performance to carry out teaching and control, part of engine control data is operated and output in a certain range, the normal running of the vehicle is ensured, but the individual requirements of a driver cannot be met, and more accurate oil injection and ignition control cannot be realized.

Inventors

• WU SHIZHI
• LU YUNFENG

Assignees

• 智达盛世(广州)氢能与环境科技有限公司

Dates

Publication Date

20260512

Application Date

20260211

Claims (10)

1. 1. An auxiliary control method for the operation of an automobile engine, which is characterized by comprising the following steps: collecting engine parameter data, driving operation behavior data of a driver and vehicle state data; analyzing and obtaining driving habit data of a driver based on driving operation behavior data of the driver, and obtaining a vehicle running state based on vehicle state data; and calculating to-be-optimized control parameters of the engine based on the driving habit data of the driver, the driving state of the vehicle and the engine parameter data, and optimizing and adjusting the engine based on the to-be-optimized control parameters.
2. 2. The operation assist control method for an automobile engine according to claim 1, wherein the engine parameter data includes an intake valve opening degree, an injection pulse width, an injection quantity, and an ignition advance angle.
3. 3. The automobile engine operation assist control method according to claim 2, wherein the driver driving operation behavior data includes an accelerator opening degree and a change rate, a braking force and a braking frequency, a shift time point, and a steering angle of a steering wheel.
4. 4. The vehicle engine operation assist control method according to claim 3, wherein the vehicle state data includes a vehicle inclination angle, a shift position, a rotation speed, and a running speed.
5. 5. The operation assistance control method for an automobile engine as claimed in claim 4, wherein said control parameters to be optimized include a fuel injection pulse width, a fuel injection quantity, and a spark advance angle.
6. 6. The method for assisting control of operation of an automobile engine in accordance with claim 4, wherein the formula of the optimized final ignition advance angle is as follows: optimized final ignition advance angle θfinal (degree) =θbase1+A1+B1+C1 In the formula, θbase1 is a dynamic base ignition advance angle, A1 is an air-fuel ratio correction coefficient, B1 is an accelerator depth change rate correction coefficient and C1 is a steady-state working condition optimization correction coefficient.
7. 7. The method for assisting control of operation of an automotive engine in accordance with claim 6, further comprising increasing the weight of C1 during high-speed cruise traveling if the driving habit data of the driver indicates that the driver is accelerating little rapidly during high-speed cruise.
8. 8. The method for assisting in controlling the operation of an automobile engine according to claim 6, further comprising reducing C1 and providing a larger torque with reference to B1 if the running state of the vehicle indicates that the vehicle is traveling uphill, even if the current parameters are the same.
9. 9. The auxiliary control system for the running of the automobile engine is characterized by comprising a data acquisition module, a data analysis module and a data processing module; The data acquisition module is configured to acquire engine parameter data, driving operation behavior data of a driver and vehicle state data; The data analysis module is configured to obtain driving habit data of a driver based on driving operation behavior data analysis of the driver and obtain a vehicle running state based on vehicle state data; The data processing module is configured to calculate and obtain a to-be-optimized control parameter of the engine based on driving habit data of a driver, a vehicle driving state and engine parameter data, and optimally adjust the engine based on the to-be-optimized control parameter.
10. 10. The vehicle engine operation assist control system of claim 1 wherein the data acquisition module is further configured to acquire engine air metering parameters, the engine parameter data further comprising engine speed; The data processing module is further configured to calculate the duty ratio of each mixed fuel based on the engine air metering parameter and the engine speed to obtain the ignition advance angle, and optimally control the engine.

Description

Auxiliary control method and system for running of automobile engine Technical Field The invention relates to the technical field of automobile control, in particular to an auxiliary control method and an auxiliary control system for automobile engine operation. Background With the continuous development of intelligent technology of automobiles, the running efficiency and emission control of automobile engines face higher requirements, the prior art adopts ECU data with conserved performance to carry out regulation and control, part of engine control data is operated and output in a certain range, normal running of the automobile is ensured, but the problems of individual requirements of drivers and more accurate fuel injection and ignition control cannot be met, and an auxiliary control method and system for the running of the automobile engines are provided for solving the technical problems. Disclosure of Invention In order to solve the technical problems in the prior art, the invention provides an auxiliary control method and an auxiliary control system for the operation of an automobile engine. In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: In a first aspect, in one embodiment provided by the present invention, there is provided an auxiliary control method for an engine operation of an automobile, the method including the steps of: collecting engine parameter data, driving operation behavior data of a driver and vehicle state data; analyzing and obtaining driving habit data of a driver based on driving operation behavior data of the driver, and obtaining a vehicle running state based on vehicle state data; and calculating to-be-optimized control parameters of the engine based on the driving habit data of the driver, the driving state of the vehicle and the engine parameter data, and optimizing and adjusting the engine based on the to-be-optimized control parameters. As a further aspect of the present invention, the engine parameter data includes an intake valve opening degree, an injection pulse width, an injection quantity, and an ignition advance angle. As a further scheme of the invention, the driving operation behavior data of the driver comprises an accelerator opening degree and a change rate, a braking force and a braking frequency, a gear shifting time point and a steering angle of a steering wheel. As a further scheme of the invention, the driving operation behavior data of the driver comprises an accelerator opening degree and a change rate, a braking force and a braking frequency, a gear shifting time point and a steering angle of a steering wheel. As a further aspect of the present invention, the control parameters to be optimized include an injection pulse width, an injection quantity and an ignition advance angle. As a further aspect of the present invention, the formula of the optimized final ignition advance angle is as follows: optimized final ignition advance angle θfinal (degree) =θbase1+A1+B1+C1 In the formula, θbase1 is a dynamic base ignition advance angle, A1 is an air-fuel ratio correction coefficient, B1 is an accelerator depth change rate correction coefficient and C1 is a steady-state working condition optimization correction coefficient. As a further aspect of the invention, the method further comprises increasing the weight of C1 during high-speed cruising travel if the driver driving habit data indicates that the driver is accelerating very little rapidly during high-speed cruising. As a further aspect of the invention the method further comprises reducing C1 even negative and providing a greater torque with reference to B1 if the vehicle driving situation indicates that the vehicle is ascending a long hill, even if the current parameters are the same. In a second aspect, in yet another embodiment provided by the present invention, an auxiliary control system for running an automobile engine is provided, the system includes a data acquisition module, a data analysis module, and a data processing module; the data acquisition module is configured to acquire engine parameter data, driving operation behavior data of a driver and vehicle state data. The data analysis module is configured to obtain driving habit data of a driver based on driving operation behavior data analysis of the driver and obtain a vehicle running state based on vehicle state data. The data processing module is configured to calculate and obtain a to-be-optimized control parameter of the engine based on driving habit data of a driver, a vehicle driving state and engine parameter data, and optimally adjust the engine based on the to-be-optimized control parameter. As a further aspect of the present invention, the data acquisition module is further configured to acquire an engine air metering parameter, where the engine parameter data may further include an engine speed; The data processing module is further configured to calculate th