CN112298157B - Control method, device, equipment and storage medium - Google Patents
Control method, device, equipment and storage medium Download PDFInfo
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- CN112298157B CN112298157B CN202011196775.2A CN202011196775A CN112298157B CN 112298157 B CN112298157 B CN 112298157B CN 202011196775 A CN202011196775 A CN 202011196775A CN 112298157 B CN112298157 B CN 112298157B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/15—Control strategies specially adapted for achieving a particular effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/244—Charge state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
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- Automation & Control Theory (AREA)
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a control method, a control device, control equipment and a storage medium. The method comprises the following steps: acquiring vehicle state and driver operation information; determining the working mode of the vehicle according to the vehicle state and the driver operation information; the motor and the motor are controlled according to the working mode, the motor and the motor of the vehicle can be coupled and controlled in the running process through the technical scheme of the invention, the load point of the engine is transferred by utilizing the auxiliary driving of the motor, the charging of the running vehicle and the recovery of braking energy, and the energy-saving advantage of a 48V system in the running process of the vehicle is fully exerted.
Description
Technical Field
The embodiment of the invention relates to the technical field of vehicles, in particular to a control method, a control device, control equipment and a storage medium.
Background
With increasingly stringent emission regulations and increasingly severe market competition, improving the fuel economy of vehicles becomes a main target for research and development of heavy commercial vehicles, and in order to achieve the purpose, various commercial vehicle manufacturers successively develop research and development and technical reserve work of new energy commercial vehicles. The 48V technology can achieve a considerable oil saving effect at a low cost, is relatively mature in the market of passenger vehicles, and related industry matching and supply chain systems are developed and perfected, so that the 48V technology becomes a new energy technical scheme preferentially selected by heavy commercial vehicles.
While the current control methods for 48V hybrid systems focus primarily on controlling battery current, charge, DCDC, engine start and energy recovery. The battery management system regulates the torque and the required current of the motor by uploading information such as battery voltage, temperature, SOC and the like; the energy recovery system adjusts the output power of the motor through the controller; the DCDC system regulates DCDC power conversion through vehicle modes. The control method of the 48V motor system of the heavy commercial vehicle lacks the coupling control of the motor and the engine on the vehicle in the running process, and the load point of the engine cannot be transferred, so that the energy-saving advantage of the 48V motor system in the running process of the vehicle cannot be fully exerted.
Disclosure of Invention
Embodiments of the present invention provide a control method, an apparatus, a device, and a storage medium, so as to implement coupling control on a motor and an engine of a vehicle during a driving process, implement transfer of an engine load point through motor auxiliary drive, driving charging, and braking energy recovery, and fully exert an energy saving advantage of a 48V motor system during the driving process of the vehicle.
In a first aspect, an embodiment of the present invention provides a control method, including:
acquiring vehicle state and driver operation information;
determining the working mode of the vehicle according to the vehicle state and the driver operation information;
and controlling the engine and the motor according to the working mode.
Further, the operation mode includes:
a parking power generation mode, a parking mode, a braking power generation mode, a braking mode, a driving power generation mode, a hybrid driving mode or an engine driving mode.
Further, controlling the engine and the motor according to the working mode comprises:
if the working mode is a parking power generation mode, controlling the engine to run at an idle speed, and controlling the motor to output the maximum power generation torque;
if the working mode is a parking mode, controlling the engine to run at an idle speed, not outputting torque and controlling the rotating speed of the motor to be zero;
if the working mode is a braking mode, controlling the engine to run at an idle speed, outputting a back-dragging torque and controlling the rotating speed of the motor to be zero;
if the working mode is the engine driving mode, acquiring a first required torque corresponding to the engine driving mode, controlling the engine to output the first required torque, and controlling the rotating speed of the motor to be zero;
if the working mode is a braking power generation mode, acquiring a second required torque corresponding to the braking power generation mode, and controlling the engine and the motor to operate according to the second required torque;
if the working mode is a driving power generation mode, acquiring a third required torque corresponding to the driving power generation mode, and controlling the engine and the motor to operate according to the third required torque;
and if the working mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode, and controlling the operation of the engine and the motor according to the fourth required torque.
Further, if the operating mode is a braking power generation mode, acquiring a second required torque corresponding to the braking power generation mode, and controlling the operation of the engine and the motor according to the second required torque, including:
if the working mode is a braking power generation mode, acquiring a second required torque corresponding to the braking power generation mode;
if the second required torque is smaller than the sum of the maximum power generation torque of the motor and the reverse driving torque of the engine, controlling the engine to output a first low oil consumption torque, and controlling the motor to output the maximum power generation torque of the motor, wherein the first low oil consumption torque is equal to the difference between the second required torque and the maximum power generation torque of the motor; and if the second required torque is greater than or equal to the sum of the maximum power generation torque of the motor and the engine back-dragging torque, and the second required torque is smaller than the engine back-dragging torque, controlling the engine to output the engine back-dragging torque, and controlling the motor to output a first auxiliary torque, wherein the first auxiliary torque is equal to the difference value of the second required torque and the engine back-dragging torque.
Further, if the operating mode is a driving power generation mode, obtaining a third required torque corresponding to the driving power generation mode, and controlling the operation of the engine and the motor according to the third required torque, including:
if the working mode is a driving power generation mode, acquiring a third required torque corresponding to the driving power generation mode;
if the third required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, controlling the engine to output a second low oil consumption torque, and controlling the motor to output the maximum power generation torque of the motor, wherein the second low oil consumption torque is equal to the difference between the third required torque and the maximum power generation torque of the motor;
and if the third required torque is larger than or equal to the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, and the third required torque is smaller than the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque of the engine, and controlling the motor to output a second auxiliary torque, wherein the second auxiliary torque is equal to the difference value of the third required torque and the minimum oil consumption torque of the engine.
Further, if the operating mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode, and controlling the operation of the engine and the motor according to the fourth required torque, including:
if the working mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode;
if the fourth required torque is larger than or equal to the sum of the maximum torque of the engine and the maximum driving torque of the motor, controlling the engine to output the maximum torque of the engine and controlling the motor to output the maximum driving torque of the motor;
if the fourth required torque is smaller than the sum of the maximum torque of the engine and the maximum driving torque of the motor, and the fourth required torque is larger than or equal to the sum of the minimum fuel consumption torque of the engine and the maximum driving torque of the motor, controlling the engine to output a third low fuel consumption torque, and controlling the motor to output the maximum driving torque of the motor, wherein the third low fuel consumption torque is equal to the difference value of the fourth required torque and the maximum driving torque of the motor;
and if the fourth required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum driving torque of the motor, and the fourth required torque is larger than or equal to the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque, and controlling the motor to output a third auxiliary torque, wherein the third auxiliary torque is equal to the difference value between the fourth required torque and the minimum oil consumption torque.
In a second aspect, an embodiment of the present invention further provides a control apparatus, where the apparatus includes:
the acquisition module is used for acquiring vehicle states and driver operation information;
the determining module is used for determining the working mode of the vehicle according to the vehicle state and the driver operation information;
and the control module is used for controlling the engine and the motor according to the working mode.
Further, the operation mode includes:
a parking power generation mode, a parking mode, a braking power generation mode, a braking mode, a driving power generation mode, a hybrid driving mode or an engine driving mode.
Further, the control module includes:
the first control unit is used for controlling the engine to run at an idle speed and controlling the motor to output the maximum power generation torque if the working mode is a parking power generation mode;
the second control unit is used for controlling the engine to run at an idle speed and not output torque and controlling the rotating speed of the motor to be zero if the working mode is a parking mode;
the third control unit is used for controlling the engine to run at an idle speed and outputting anti-dragging torque and controlling the rotating speed of the motor to be zero if the working mode is a braking mode;
the fourth control unit is used for acquiring a first required torque corresponding to an engine driving mode if the working mode is the engine driving mode, controlling the engine to output the first required torque and controlling the rotating speed of the motor to be zero;
the fifth control unit is used for acquiring a second required torque corresponding to the braking and power generating mode if the working mode is the braking and power generating mode, and controlling the operation of the engine and the motor according to the second required torque;
the sixth control unit is used for acquiring a third required torque corresponding to the driving power generation mode if the working mode is the driving power generation mode, and controlling the operation of the engine and the motor according to the third required torque;
and the seventh control unit is used for acquiring a fourth required torque corresponding to the hybrid driving mode if the working mode is the hybrid driving mode, and controlling the operation of the engine and the motor according to the fourth required torque.
Further, the fifth control unit is specifically configured to:
if the working mode is a braking power generation mode, acquiring a second required torque corresponding to the braking power generation mode;
if the second required torque is smaller than the sum of the maximum power generation torque of the motor and the reverse driving torque of the engine, controlling the engine to output a first low oil consumption torque, and controlling the motor to output the maximum power generation torque of the motor, wherein the first low oil consumption torque is equal to the difference between the second required torque and the maximum power generation torque of the motor; and if the second required torque is greater than or equal to the sum of the maximum power generation torque of the motor and the engine back-dragging torque, and the second required torque is smaller than the engine back-dragging torque, controlling the engine to output the engine back-dragging torque, and controlling the motor to output a first auxiliary torque, wherein the first auxiliary torque is equal to the difference value of the second required torque and the engine back-dragging torque.
Further, the sixth control unit is specifically configured to:
if the working mode is a driving power generation mode, acquiring a third required torque corresponding to the driving power generation mode;
if the third required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, controlling the engine to output a second low oil consumption torque, and controlling the motor to output the maximum power generation torque of the motor, wherein the second low oil consumption torque is equal to the difference between the third required torque and the maximum power generation torque of the motor;
and if the third required torque is larger than or equal to the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, and the third required torque is smaller than the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque of the engine, and controlling the motor to output a second auxiliary torque, wherein the second auxiliary torque is equal to the difference value of the third required torque and the minimum oil consumption torque of the engine.
Further, the seventh control unit is specifically configured to:
if the working mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode;
if the fourth required torque is larger than or equal to the sum of the maximum torque of the engine and the maximum driving torque of the motor, controlling the engine to output the maximum torque of the engine and controlling the motor to output the maximum driving torque of the motor;
if the fourth required torque is smaller than the sum of the maximum torque of the engine and the maximum driving torque of the motor, and the fourth required torque is larger than or equal to the sum of the minimum fuel consumption torque of the engine and the maximum driving torque of the motor, controlling the engine to output a third low fuel consumption torque, and controlling the motor to output the maximum driving torque of the motor, wherein the third low fuel consumption torque is equal to the difference value of the fourth required torque and the maximum driving torque of the motor;
and if the fourth required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum driving torque of the motor, and the fourth required torque is larger than or equal to the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque, and controlling the motor to output a third auxiliary torque, wherein the third auxiliary torque is equal to the difference value between the fourth required torque and the minimum oil consumption torque.
In a third aspect, an embodiment of the present invention further provides a computer device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the control method according to any one of the embodiments of the present invention when executing the program.
In a fourth aspect, the embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the control method according to any one of the embodiments of the present invention.
The embodiment of the invention determines the working mode of the vehicle by acquiring the vehicle state and the driver operation information, and performs coupling control on the vehicle motor and the engine in the driving process according to the working mode of the vehicle, thereby solving the problem that the energy-saving advantage of a 48V motor system in the driving process of the vehicle cannot be fully exerted in the prior art, realizing the transfer of the load point of the engine by motor auxiliary drive, driving charging and braking energy recovery, and fully exerting the energy-saving advantage of the 48V motor system in the driving process of the vehicle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a flow chart of a control method according to a first embodiment of the present invention;
FIG. 2 is a flowchart of a control method according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control device according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a computer device in the fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Example one
Fig. 1 is a flowchart of a control method provided in an embodiment of the present invention, where the embodiment is applicable to a case of controlling an engine and a motor of a vehicle, and the method may be executed by a control device in an embodiment of the present invention, where the device may be implemented in a software and/or hardware manner, as shown in fig. 1, and the method specifically includes the following steps:
and S110, acquiring the vehicle state and the driver operation information.
The state of the vehicle may include a vehicle speed and a battery remaining capacity SOC, and the driver operation information may include any operation that may affect the vehicle operation state, such as stepping on an accelerator pedal, stepping on a clutch pedal, stepping on a brake pedal, and shifting gears.
Specifically, operation information of the driver and a vehicle state corresponding to the operation information are acquired.
And S120, determining the working mode of the vehicle according to the vehicle state and the driver operation information.
Specifically, the current working mode of the vehicle is determined according to the operation information of the driver and the corresponding vehicle state. The driver's operation information and the corresponding vehicle state may include a vehicle speed, a remaining battery amount SOC, and a vehicle state including a brake recovery state, a service power generation state, and an auxiliary drive state. The working mode of the vehicle determined according to the vehicle state and the driver operation information may be set by a system developer according to the requirements of the user and the vehicle, which is not limited in the embodiment of the present invention.
For example, the vehicle speed and the remaining battery level SOC of the vehicle may determine the operating mode of the vehicle as follows: if the vehicle speed is equal to zero and the SOC is less than the electric quantity threshold value, determining that the working mode of the vehicle is a parking power generation mode; if the vehicle speed is equal to zero and the SOC is greater than or equal to the electric quantity threshold value, determining that the working mode of the vehicle is a parking mode; if the vehicle speed is greater than zero and the vehicle is in a brake recovery state, determining that the working mode of the vehicle is a brake power generation mode; if the vehicle speed is greater than zero and the vehicle is in a braking state but not in a braking recovery state, determining that the working mode of the vehicle is a braking mode; if the vehicle speed is greater than zero and the vehicle is in a driving power generation state, determining that the working mode of the vehicle is a driving power generation mode; if the vehicle speed is greater than zero and the vehicle is in an auxiliary driving state, determining that the working mode of the vehicle is a hybrid driving mode; and if the vehicle speed is greater than zero, the vehicle is not in a braking state, a driving power generation state or an auxiliary driving state, determining that the working mode of the vehicle is an engine driving mode.
Optionally, the operation mode includes: a parking power generation mode, a parking mode, a braking power generation mode, a braking mode, a driving power generation mode, a hybrid driving mode or an engine driving mode.
And S130, controlling the engine and the motor according to the working mode.
The motor is a Belt drive Starter Generator (BSG) Generator and is positioned at the front end of the engine, the engine is connected with a transmission through a main transmission shaft, the motor is connected with a crankshaft of the engine through Belt drive, the engine is a driving power source of the whole vehicle, and the motor can be used as both the engine and the motor. The motor can realize the functions of automatic start-stop, energy recovery, torque assistance and the like, and under the normal running working condition, the BSG motor is driven by the engine to generate electricity like a conventional vehicle generator so as to charge the storage battery; when the engine stops running and is restarted after the idling state is eliminated, the BSG motor drags the engine to reach the rotating speed above the idling speed.
Specifically, the engine and the motor are controlled according to the current operating mode of the vehicle.
According to the technical scheme of the embodiment, the working mode of the vehicle is determined by acquiring the vehicle state and the driver operation information, the engine and the motor are controlled according to the working mode of the vehicle, and the motor and the engine of the vehicle can be controlled in a coupling mode in the running process.
Example two
Fig. 2 is a flowchart of a control method in a second embodiment of the present invention, which is optimized based on the above embodiment, in this embodiment, the working mode includes: the parking power generation mode, the parking mode, the braking power generation mode, the braking mode, the driving power generation mode, the hybrid driving mode or the engine driving mode, correspondingly, according to the working mode to the engine and the motor control, including: if the working mode is a parking power generation mode, controlling the engine to run at an idle speed, and controlling the motor to output the maximum power generation torque; if the working mode is a parking mode, controlling the engine to run at an idle speed, not outputting torque and controlling the rotating speed of the motor to be zero; if the working mode is a braking mode, controlling the engine to run at an idle speed, outputting a back-dragging torque and controlling the rotating speed of the motor to be zero; if the working mode is the engine driving mode, acquiring a first required torque corresponding to the engine driving mode, controlling the engine to output the first required torque, and controlling the rotating speed of the motor to be zero; if the working mode is a braking power generation mode, acquiring a second required torque corresponding to the braking power generation mode, and controlling the engine and the motor to operate according to the second required torque; if the working mode is a driving power generation mode, acquiring a third required torque corresponding to the driving power generation mode, and controlling the engine and the motor to operate according to the third required torque; and if the working mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode, and controlling the operation of the engine and the motor according to the fourth required torque.
As shown in fig. 2, the method of this embodiment specifically includes the following steps:
and S210, acquiring vehicle state and driver operation information.
And S220, determining the working mode of the vehicle according to the vehicle state and the driver operation information.
And S230, if the working mode is a parking power generation mode, controlling the engine to run at an idle speed, and controlling the motor to output the maximum power generation torque.
The idling operation of the engine refers to the normal operation of the engine under the condition of no work. The maximum generating torque of the motor refers to the maximum torque generated by the motor.
Specifically, if the current working mode of the vehicle is a parking power generation mode, the engine is controlled to run at an idle speed, and the motor is controlled to output the maximum power generation torque to charge the battery.
And S240, if the working mode is the parking mode, controlling the engine to run at an idle speed, not outputting torque and controlling the rotating speed of the motor to be zero.
The output torque of the engine refers to torque output from a crankshaft end of the engine, and is in inverse proportion to the engine speed under the condition of fixed power.
Specifically, if the current working mode of the vehicle is a parking mode and a gear lever of the vehicle is in a neutral position, the engine is controlled to run at an idle speed and does not output torque to the outside, namely the engine runs at the idle speed but does not work, and the rotating speed of the motor is controlled to be zero.
And S250, if the working mode is the braking mode, controlling the engine to run at an idle speed, outputting a back-dragging torque and controlling the rotating speed of the motor to be zero.
The anti-drag torque refers to a resistance torque of the engine operation.
Specifically, if the current working mode of the vehicle is a braking mode and a gear lever of the vehicle is not in neutral, the engine is controlled to run at an idle speed, the anti-dragging torque is output, and the rotating speed of the motor is controlled to be zero.
And S260, if the working mode is the engine driving mode, acquiring a first required torque corresponding to the engine driving mode, controlling the engine to output the first required torque, and controlling the rotating speed of the motor to be zero.
The first required torque is a torque required by the vehicle in the engine drive mode.
Specifically, if the current working mode of the vehicle is the engine driving mode, a first required torque corresponding to the engine driving mode is obtained, the rotating speed of the motor is controlled to be zero, and the engine is controlled to output the first required torque to provide driving force for the vehicle.
And S270, if the working mode is the braking power generation mode, acquiring a second required torque corresponding to the braking power generation mode, and controlling the operation of the engine and the motor according to the second required torque.
Specifically, if the current working mode of the vehicle is the engine driving mode, a second required torque corresponding to the braking and power generation mode is obtained, and the engine and the motor are controlled to operate according to an identity equation that the second required torque is equal to the engine torque and the motor torque.
And S280, if the working mode is the driving power generation mode, acquiring a third required torque corresponding to the driving power generation mode, and controlling the operation of the engine and the motor according to the third required torque.
Specifically, if the operating mode is a driving power generation mode, a third required torque corresponding to the driving power generation mode is obtained, and the engine and the motor are controlled to operate according to an identity equation that the third required torque is equal to the engine torque and the motor torque. And S290, if the working mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode, and controlling the operation of the engine and the motor according to the fourth required torque.
Specifically, if the operating mode is a hybrid driving mode, a fourth required torque corresponding to the hybrid driving mode is obtained, and the engine and the motor are controlled to operate according to an identity equation that the fourth required torque is equal to the engine output torque and the motor torque. Optionally, if the operating mode is a braking and power generating mode, obtaining a second required torque corresponding to the braking and power generating mode, and controlling the engine and the motor to operate according to the second required torque, including:
if the working mode is a braking power generation mode, acquiring a second required torque corresponding to the braking power generation mode;
if the second required torque is smaller than the sum of the maximum power generation torque of the motor and the reverse driving torque of the engine, controlling the engine to output a first low oil consumption torque, and controlling the motor to output the maximum power generation torque of the motor, wherein the first low oil consumption torque is equal to the difference between the second required torque and the maximum power generation torque of the motor;
and if the second required torque is greater than or equal to the sum of the maximum power generation torque of the motor and the engine back-dragging torque, and the second required torque is smaller than the engine back-dragging torque, controlling the engine to output the engine back-dragging torque, and controlling the motor to output a first auxiliary torque, wherein the first auxiliary torque is equal to the difference value of the second required torque and the engine back-dragging torque.
Specifically, if the working mode is a braking and power generating mode, a second required torque corresponding to the braking and power generating mode is obtained; and if the second required torque is smaller than the sum of the maximum power generation torque of the motor and the reverse dragging torque of the engine, controlling the motor to output the maximum power generation torque to recharge the storage battery. And controlling the engine to output a first low-fuel-consumption torque according to the identity equation that the second required torque is equal to the output torque of the motor and the output torque of the engine, wherein the first low-fuel-consumption torque is equal to the difference value between the second required torque and the maximum power generation torque of the motor, so that the engine outputs the torque with the lowest fuel consumption within the engine capacity range, and the energy consumption is reduced.
If the second required torque is larger than or equal to the sum of the maximum power generation torque of the motor and the reverse dragging torque of the engine and is smaller than the reverse dragging torque of the engine, controlling the engine to output the reverse dragging torque of the engine according to the operation of a driver, and realizing the deceleration sliding or braking of the vehicle; and controlling the motor to output a first auxiliary torque according to the identity of the second required torque equal to the output torque of the motor and the output torque of the engine, and assisting the vehicle to decelerate or brake, wherein the first auxiliary torque is equal to the difference value of the second required torque and the back-dragging torque of the engine.
Under the braking power generation mode, the running charging function of the motor is utilized to recover the redundant energy released by the vehicle in the deceleration braking or inertia, the redundant energy is converted into electric energy through the motor, the electric energy is stored in an energy storage system such as a storage battery and the like, the electric energy is reused for the power running of the vehicle, the energy-saving advantage of the 48V motor system in the running process of the vehicle is fully exerted by energy recovery, and the utilization efficiency of the energy is improved.
Optionally, if the operating mode is a driving power generation mode, obtaining a third required torque corresponding to the driving power generation mode, and controlling the engine and the motor to operate according to the third required torque, including:
if the working mode is a driving power generation mode, acquiring a third required torque corresponding to the driving power generation mode;
if the third required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, controlling the engine to output a second low oil consumption torque, and controlling the motor to output the maximum power generation torque of the motor, wherein the second low oil consumption torque is equal to the difference between the third required torque and the maximum power generation torque of the motor;
and if the third required torque is larger than or equal to the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, and the third required torque is smaller than the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque of the engine, and controlling the motor to output a second auxiliary torque, wherein the second auxiliary torque is equal to the difference value of the third required torque and the minimum oil consumption torque of the engine.
Specifically, if the working mode is a driving power generation mode, a third required torque corresponding to the driving power generation mode is obtained; and if the third required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, controlling the motor to output the maximum power generation torque of the motor, charging the battery, and controlling the engine to output a second low oil consumption torque according to the identity that the third required torque is equal to the output torque of the motor and the output torque of the engine, wherein the second low oil consumption torque is equal to the difference value between the third required torque and the maximum power generation torque of the motor, so that the engine outputs the torque with the lowest oil consumption within the engine capacity range, and the energy consumption is reduced.
And if the third required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, and the third required torque is smaller than the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque of the engine, so that the oil consumption of the engine is minimum, and the effect of saving the oil consumption is achieved. And controlling the motor to output a second auxiliary torque according to the identity equation that the third required torque is equal to the output torque of the motor and the output torque of the engine, wherein the second auxiliary torque is equal to the difference value between the third required torque and the minimum oil consumption torque of the engine, and partial power is provided for the automobile. Under the driving power generation mode, on the premise of meeting the power requirement of the automobile, partial power is provided for the automobile by using the auxiliary driving function of the motor, the energy-saving advantage of the 48V motor system in the driving process of the automobile is fully exerted, the load point of the engine is shifted to the minimum oil consumption, and the effect of saving energy is realized.
Optionally, if the operating mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode, and controlling the operation of the engine and the motor according to the fourth required torque, including:
if the working mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode;
if the fourth required torque is larger than or equal to the sum of the maximum torque of the engine and the maximum driving torque of the motor, controlling the engine to output the maximum torque of the engine and controlling the motor to output the maximum driving torque of the motor;
if the fourth required torque is smaller than the sum of the maximum torque of the engine and the maximum driving torque of the motor, and the fourth required torque is larger than or equal to the sum of the minimum fuel consumption torque of the engine and the maximum driving torque of the motor, controlling the engine to output a third low fuel consumption torque, and controlling the motor to output the maximum driving torque of the motor, wherein the third low fuel consumption torque is equal to the difference value of the fourth required torque and the maximum driving torque of the motor;
and if the fourth required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum driving torque of the motor, and the fourth required torque is larger than or equal to the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque, and controlling the motor to output a third auxiliary torque, wherein the third auxiliary torque is equal to the difference value between the fourth required torque and the minimum oil consumption torque.
Specifically, if the working mode is a hybrid driving mode, a fourth required torque corresponding to the hybrid driving mode is obtained. And if the fourth required torque is greater than or equal to the sum of the maximum torque of the engine and the maximum driving torque of the motor and the power performance limited by the engine and the motor cannot meet the required torque, controlling the engine to output the maximum torque of the engine and controlling the motor to output the maximum driving torque of the motor.
If the fourth required torque is smaller than the sum of the maximum torque of the engine and the maximum driving torque of the motor and is larger than or equal to the sum of the minimum oil consumption torque of the engine and the maximum driving torque of the motor, controlling the motor to output the maximum driving torque of the motor to provide power for the automobile; and controlling the engine to output a third low-fuel-consumption torque according to the identity equation that the fourth required torque is equal to the output torque of the motor and the output torque of the engine, wherein the third low-fuel-consumption torque is equal to the difference value between the fourth required torque and the maximum driving torque of the motor, and the fuel consumption of the engine is reduced as far as possible under the condition of meeting the required torque of the automobile.
And if the fourth required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum driving torque of the motor, and the fourth required torque is larger than or equal to the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque, so that the oil consumption of the engine is minimum, and the effect of saving the oil consumption is achieved. And controlling the motor to output a third auxiliary torque according to an identity equation that the fourth required torque is equal to the output torque of the motor and the output torque of the engine, wherein the third auxiliary torque is equal to a difference value between the fourth required torque and the minimum fuel consumption torque, and under the condition of minimum starting consumption, providing auxiliary driving force for the automobile through the motor so as to meet the power requirement of the automobile.
Under the hybrid driving mode, on the premise of meeting the power requirement of an automobile, the auxiliary driving function of the motor is utilized, so that the engine oil consumption can reach the minimum, the transfer from the engine load point to the minimum oil consumption is realized, the energy-saving advantage of the 48V motor system in the driving process of the automobile is fully exerted, and the effect of maximizing energy conservation is achieved.
According to the technical scheme of the embodiment, the working mode of the vehicle is determined by acquiring the vehicle state and the driver operation information, the coupling control of the vehicle motor and the engine in the driving process is realized according to the working mode of the vehicle, the motor auxiliary drive, the driving charging and the braking energy recovery are utilized, the load point of the engine can be transferred under the condition of meeting the power requirement of the vehicle, the energy-saving advantage of a 48V motor system in the driving process of the vehicle is fully exerted, and the oil consumption of the engine is minimized as much as possible.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a control device according to a third embodiment of the present invention. The present embodiment may be applied to the case of controlling an engine and a motor of a vehicle, the apparatus may be implemented in a software and/or hardware manner, and the apparatus may be integrated into any device providing a control function, as shown in fig. 3, where the control apparatus specifically includes: an acquisition module 310, a determination module 320, and a control module 330.
The obtaining module 310 is configured to obtain a vehicle state and driver operation information;
a determining module 320, configured to determine an operating mode of the vehicle according to the vehicle state and the driver operation information;
a control module 330 controls the engine and the motor based on the operating mode.
Optionally, the operation mode includes:
a parking power generation mode, a parking mode, a braking power generation mode, a braking mode, a driving power generation mode, a hybrid driving mode or an engine driving mode.
Optionally, the control module includes:
the first control unit is used for controlling the engine to run at an idle speed and controlling the motor to output the maximum power generation torque if the working mode is a parking power generation mode;
the second control unit is used for controlling the engine to run at an idle speed and not output torque and controlling the rotating speed of the motor to be zero if the working mode is a parking mode;
the third control unit is used for controlling the engine to run at an idle speed and outputting anti-dragging torque and controlling the rotating speed of the motor to be zero if the working mode is a braking mode;
the fourth control unit is used for acquiring a first required torque corresponding to an engine driving mode if the working mode is the engine driving mode, controlling the engine to output the first required torque and controlling the rotating speed of the motor to be zero;
the fifth control unit is used for acquiring a second required torque corresponding to the braking and power generating mode if the working mode is the braking and power generating mode, and controlling the operation of the engine and the motor according to the second required torque;
the sixth control unit is used for acquiring a third required torque corresponding to the driving power generation mode if the working mode is the driving power generation mode, and controlling the operation of the engine and the motor according to the third required torque;
and the seventh control unit is used for acquiring a fourth required torque corresponding to the hybrid driving mode if the working mode is the hybrid driving mode, and controlling the operation of the engine and the motor according to the fourth required torque.
Optionally, the fifth control unit is specifically configured to:
if the working mode is a braking power generation mode, acquiring a second required torque corresponding to the braking power generation mode;
if the second required torque is smaller than the sum of the maximum power generation torque of the motor and the reverse driving torque of the engine, controlling the engine to output a first low oil consumption torque, and controlling the motor to output the maximum power generation torque of the motor, wherein the first low oil consumption torque is equal to the difference between the second required torque and the maximum power generation torque of the motor; and if the second required torque is greater than or equal to the sum of the maximum power generation torque of the motor and the engine back-dragging torque, and the second required torque is smaller than the engine back-dragging torque, controlling the engine to output the engine back-dragging torque, and controlling the motor to output a first auxiliary torque, wherein the first auxiliary torque is equal to the difference value of the second required torque and the engine back-dragging torque.
Optionally, the sixth control unit is specifically configured to:
if the working mode is a driving power generation mode, acquiring a third required torque corresponding to the driving power generation mode;
if the third required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, controlling the engine to output a second low oil consumption torque, and controlling the motor to output the maximum power generation torque of the motor, wherein the second low oil consumption torque is equal to the difference between the third required torque and the maximum power generation torque of the motor;
and if the third required torque is larger than or equal to the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, and the third required torque is smaller than the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque of the engine, and controlling the motor to output a second auxiliary torque, wherein the second auxiliary torque is equal to the difference value of the third required torque and the minimum oil consumption torque of the engine.
Optionally, the seventh control unit is specifically configured to:
if the working mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode;
if the fourth required torque is larger than or equal to the sum of the maximum torque of the engine and the maximum driving torque of the motor, controlling the engine to output the maximum torque of the engine and controlling the motor to output the maximum driving torque of the motor;
if the fourth required torque is smaller than the sum of the maximum torque of the engine and the maximum driving torque of the motor, and the fourth required torque is larger than or equal to the sum of the minimum fuel consumption torque of the engine and the maximum driving torque of the motor, controlling the engine to output a third low fuel consumption torque, and controlling the motor to output the maximum driving torque of the motor, wherein the third low fuel consumption torque is equal to the difference value of the fourth required torque and the maximum driving torque of the motor;
and if the fourth required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum driving torque of the motor, and the fourth required torque is larger than or equal to the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque, and controlling the motor to output a third auxiliary torque, wherein the third auxiliary torque is equal to the difference value between the fourth required torque and the minimum oil consumption torque.
The product can execute the method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
According to the technical scheme of the embodiment, the working mode of the vehicle is determined by acquiring the vehicle state and the driver operation information, the coupling control of the vehicle motor and the engine in the driving process is realized according to the working mode of the vehicle, the motor auxiliary drive, the driving charging and the braking energy recovery are utilized, the load point of the engine can be transferred under the condition of meeting the power requirement of the vehicle, the energy-saving advantage of a 48V motor system in the driving process of the vehicle is fully exerted, and the oil consumption of the engine is minimized as much as possible.
Example four
Fig. 4 is a schematic structural diagram of a computer device in the fourth embodiment of the present invention. FIG. 4 illustrates a block diagram of an exemplary computer device 12 suitable for use in implementing embodiments of the present invention. The computer device 12 shown in FIG. 4 is only one example and should not bring any limitations to the functionality or scope of use of embodiments of the present invention.
As shown in FIG. 4, computer device 12 is in the form of a general purpose computing device. The components of computer device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory 32. Computer device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 4, and commonly referred to as a "hard drive"). Although not shown in FIG. 4, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. Memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of the described embodiments of the invention.
The processing unit 16 executes various functional applications and data processing by executing programs stored in the system memory 28, for example, to implement the control method provided by the embodiment of the present invention:
acquiring vehicle state and driver operation information;
determining the working mode of the vehicle according to the vehicle state and the driver operation information;
and controlling the engine and the motor according to the working mode.
EXAMPLE five
Fifth embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the control method provided in all the embodiments of the present invention:
acquiring vehicle state and driver operation information;
determining the working mode of the vehicle according to the vehicle state and the driver operation information;
and controlling the engine and the motor according to the working mode.
Any combination of one or more computer-readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (6)
1. A control method, comprising:
acquiring vehicle state and driver operation information;
determining the working mode of the vehicle according to the vehicle state and the driver operation information;
controlling an engine and a motor according to the working mode; wherein the operating mode includes:
a parking power generation mode, a parking mode, a braking power generation mode, a braking mode, a driving power generation mode, a hybrid driving mode or an engine driving mode;
controlling the engine and the motor according to the working mode, comprising:
if the working mode is a parking power generation mode, controlling the engine to run at an idle speed, and controlling the motor to output the maximum power generation torque;
if the working mode is a parking mode, controlling the engine to run at an idle speed, not outputting torque and controlling the rotating speed of the motor to be zero;
if the working mode is a braking mode, controlling the engine to run at an idle speed, outputting a back-dragging torque and controlling the rotating speed of the motor to be zero;
if the working mode is the engine driving mode, acquiring a first required torque corresponding to the engine driving mode, controlling the engine to output the first required torque, and controlling the rotating speed of the motor to be zero;
if the working mode is a braking power generation mode, acquiring a second required torque corresponding to the braking power generation mode, and controlling the engine and the motor to operate according to the second required torque;
if the working mode is a driving power generation mode, acquiring a third required torque corresponding to the driving power generation mode, and controlling the engine and the motor to operate according to the third required torque;
if the working mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode, and controlling the operation of an engine and a motor according to the fourth required torque;
controlling the operation of the engine and the motor according to the second required torque includes:
if the second required torque is smaller than the sum of the maximum power generation torque of the motor and the reverse driving torque of the engine, controlling the engine to output a first low oil consumption torque, and controlling the motor to output the maximum power generation torque of the motor, wherein the first low oil consumption torque is equal to the difference between the second required torque and the maximum power generation torque of the motor;
and if the second required torque is greater than or equal to the sum of the maximum power generation torque of the motor and the engine back-dragging torque, and the second required torque is smaller than the engine back-dragging torque, controlling the engine to output the engine back-dragging torque, and controlling the motor to output a first auxiliary torque, wherein the first auxiliary torque is equal to the difference value of the second required torque and the engine back-dragging torque.
2. The method according to claim 1, wherein if the operating mode is a driving power generation mode, acquiring a third required torque corresponding to the driving power generation mode, and controlling the operation of the engine and the motor according to the third required torque comprises:
if the working mode is a driving power generation mode, acquiring a third required torque corresponding to the driving power generation mode;
if the third required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, controlling the engine to output a second low oil consumption torque, and controlling the motor to output the maximum power generation torque of the motor, wherein the second low oil consumption torque is equal to the difference between the third required torque and the maximum power generation torque of the motor;
and if the third required torque is larger than or equal to the sum of the minimum oil consumption torque of the engine and the maximum power generation torque of the motor, and the third required torque is smaller than the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque of the engine, and controlling the motor to output a second auxiliary torque, wherein the second auxiliary torque is equal to the difference value of the third required torque and the minimum oil consumption torque of the engine.
3. The method according to claim 1, wherein if the operating mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode, and controlling an engine and a motor to operate according to the fourth required torque comprises:
if the working mode is a hybrid driving mode, acquiring a fourth required torque corresponding to the hybrid driving mode;
if the fourth required torque is larger than or equal to the sum of the maximum torque of the engine and the maximum driving torque of the motor, controlling the engine to output the maximum torque of the engine and controlling the motor to output the maximum driving torque of the motor;
if the fourth required torque is smaller than the sum of the maximum torque of the engine and the maximum driving torque of the motor, and the fourth required torque is larger than or equal to the sum of the minimum fuel consumption torque of the engine and the maximum driving torque of the motor, controlling the engine to output a third low fuel consumption torque, and controlling the motor to output the maximum driving torque of the motor, wherein the third low fuel consumption torque is equal to the difference value of the fourth required torque and the maximum driving torque of the motor;
and if the fourth required torque is smaller than the sum of the minimum oil consumption torque of the engine and the maximum driving torque of the motor, and the fourth required torque is larger than or equal to the minimum oil consumption torque of the engine, controlling the engine to output the minimum oil consumption torque, and controlling the motor to output a third auxiliary torque, wherein the third auxiliary torque is equal to the difference value between the fourth required torque and the minimum oil consumption torque.
4. A control device, comprising:
the acquisition module is used for acquiring vehicle states and driver operation information;
the determining module is used for determining the working mode of the vehicle according to the vehicle state and the driver operation information;
the control module is used for controlling the engine and the motor according to the working mode;
wherein the operating mode includes: a parking power generation mode, a parking mode, a braking mode, a driving power generation mode, a hybrid driving mode or an engine driving mode; the first control unit is used for controlling the engine to run at an idle speed and controlling the motor to output the maximum power generation torque if the working mode is a parking power generation mode;
the second control unit is used for controlling the engine to run at an idle speed and not output torque and controlling the rotating speed of the motor to be zero if the working mode is a parking mode;
the third control unit is used for controlling the engine to run at an idle speed and outputting anti-dragging torque and controlling the rotating speed of the motor to be zero if the working mode is a braking mode;
the fourth control unit is used for acquiring a first required torque corresponding to an engine driving mode if the working mode is the engine driving mode, controlling the engine to output the first required torque and controlling the rotating speed of the motor to be zero;
the fifth control unit is used for acquiring a second required torque corresponding to the braking and power generating mode if the working mode is the braking and power generating mode, and controlling the operation of the engine and the motor according to the second required torque;
the sixth control unit is used for acquiring a third required torque corresponding to the driving power generation mode if the working mode is the driving power generation mode, and controlling the operation of the engine and the motor according to the third required torque;
the seventh control unit is used for acquiring a fourth required torque corresponding to the hybrid driving mode if the working mode is the hybrid driving mode, and controlling the operation of the engine and the motor according to the fourth required torque;
the fifth control unit is specifically configured to:
if the working mode is a braking power generation mode, acquiring a second required torque corresponding to the braking power generation mode;
if the second required torque is smaller than the sum of the maximum power generation torque of the motor and the reverse driving torque of the engine, controlling the engine to output a first low oil consumption torque, and controlling the motor to output the maximum power generation torque of the motor, wherein the first low oil consumption torque is equal to the difference between the second required torque and the maximum power generation torque of the motor; and if the second required torque is greater than or equal to the sum of the maximum power generation torque of the motor and the engine back-dragging torque, and the second required torque is smaller than the engine back-dragging torque, controlling the engine to output the engine back-dragging torque, and controlling the motor to output a first auxiliary torque, wherein the first auxiliary torque is equal to the difference value of the second required torque and the engine back-dragging torque.
5. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1-3 when executing the program.
6. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1-3.
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| CN113715619B (en) * | 2021-10-09 | 2023-12-22 | 一汽解放汽车有限公司 | Vehicle control method and device based on zone speed regulation and computer equipment |
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