CN117864091A

CN117864091A - Energy management control method, device, computer readable medium and electronic equipment

Info

Publication number: CN117864091A
Application number: CN202410227255.5A
Authority: CN
Inventors: 赵江灵; 赵成飞; 朱永明; 李瑶瑶; 许润祥; 何靖慧
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2024-02-28
Filing date: 2024-02-28
Publication date: 2024-04-12

Abstract

The application relates to the field of vehicle control, and discloses an energy management control method and device for a vehicle, a computer readable medium and electronic equipment. The method comprises the following steps: acquiring a target energy management operation mode; when the residual electric quantity of the power battery is above a first preset electric quantity threshold value, starting an engine of the vehicle and driving the vehicle to run through the engine if the opening of an accelerator pedal of the vehicle reaches the preset opening threshold value, and driving the vehicle to run through the power battery if the opening of the accelerator pedal of the vehicle does not reach the preset opening threshold value; when the residual electric quantity of the power battery does not reach the first preset electric quantity threshold value, driving the vehicle to run at least through the engine if the wheel end required power of the vehicle exceeds the preset wheel end required power threshold value, and driving the vehicle to run through the power battery if the wheel end required power of the vehicle does not exceed the preset wheel end required power threshold value. The method can meet driving requirements of different users in various scenes, and improves pure electric endurance mileage of the vehicle.

Description

Energy management control method, device, computer readable medium and electronic equipment

Technical Field

The present disclosure relates to the field of vehicle control technologies, and in particular, to an energy management control method and apparatus for a vehicle, a computer readable medium, and an electronic device.

Background

Research into energy management control of vehicles is a critical topic in automobile development, which directly determines drivability and economy of new energy automobiles.

However, the current automobiles only use a single energy management control strategy, which is relatively mechanical and stiff, and cannot meet different requirements of different users in different scenes, so that user experience cannot be ensured.

Disclosure of Invention

In the technical field of vehicle control, in order to solve the technical problems that an energy management control strategy provided for an automobile in the prior art is single, machinery and stiffness are compared when the energy management control strategy is used, and different requirements of different users in different scenes cannot be met, the application aims to provide an energy management control method, an energy management control device, a computer readable medium and electronic equipment of the automobile.

According to an aspect of the present application, there is provided an energy management control method of a vehicle, the method including:

acquiring a target energy management operation mode set by a user for a vehicle;

Monitoring whether the opening degree of an accelerator pedal of the vehicle reaches a preset opening degree threshold value or not under the condition that the residual electric quantity of a power battery of the vehicle is above a first preset electric quantity threshold value corresponding to the target energy management operation mode;

if the opening degree of the accelerator pedal of the vehicle is monitored to reach a preset opening degree threshold value, starting an engine of the vehicle, and driving the vehicle to run at least through the engine;

if the opening degree of the accelerator pedal of the vehicle is not detected to reach the preset opening degree threshold value, driving the vehicle to run through the power battery;

monitoring whether the wheel end required power of the vehicle exceeds a preset wheel end required power threshold value or not under the condition that the residual electric quantity of the power battery does not reach the first preset electric quantity threshold value;

if the wheel end required power of the vehicle is monitored to exceed the preset wheel end required power threshold, driving the vehicle to run at least through the engine;

and if the wheel end required power of the vehicle is not monitored to exceed the preset wheel end required power threshold, driving the vehicle to run through the power battery.

According to another aspect of the present application, there is provided an energy management control apparatus of a vehicle, the apparatus including:

The system comprises an acquisition module, a control module and a control module, wherein the acquisition module is configured to acquire a target energy management operation mode set by a user for a vehicle;

the first monitoring module is configured to monitor whether the opening degree of an accelerator pedal of the vehicle reaches a preset opening degree threshold value or not under the condition that the residual electric quantity of a power battery of the vehicle is above a first preset electric quantity threshold value corresponding to the target energy management operation mode;

the first driving module is configured to start an engine of the vehicle and drive the vehicle to run at least through the engine if the accelerator pedal opening of the vehicle is monitored to reach a preset opening threshold;

the second driving module is configured to drive the vehicle to run through the power battery if the accelerator pedal opening of the vehicle is not monitored to reach the preset opening threshold;

a second monitoring module configured to monitor whether a wheel end required power of the vehicle exceeds a preset wheel end required power threshold value if a remaining power of the power battery does not reach the first preset power threshold value;

a third driving module configured to drive the vehicle to run at least through the engine if it is detected that the wheel end required power of the vehicle exceeds the preset wheel end required power threshold;

And the fourth driving module is configured to drive the vehicle to run through the power battery if the wheel end required power of the vehicle is not monitored to exceed the preset wheel end required power threshold.

According to another aspect of the present application, a computer readable medium is provided, on which a computer program is stored which, when being executed by a processor, implements a method as described in the above embodiments.

According to an aspect of an embodiment of the present application, there is provided an electronic device including: one or more processors; and storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the method as described in the above embodiments.

The technical scheme provided by the embodiment of the application can comprise the following beneficial effects:

for the energy management control method, the device, the computer readable medium and the electronic equipment of the vehicle provided by the application, the method comprises the following steps: acquiring a target energy management operation mode set by a user for a vehicle; monitoring whether the opening degree of an accelerator pedal of the vehicle reaches a preset opening degree threshold value or not under the condition that the residual electric quantity of a power battery of the vehicle is above a first preset electric quantity threshold value corresponding to the target energy management operation mode; if the opening degree of the accelerator pedal of the vehicle is monitored to reach a preset opening degree threshold value, starting an engine of the vehicle, and driving the vehicle to run at least through the engine; if the opening degree of the accelerator pedal of the vehicle is not detected to reach the preset opening degree threshold value, driving the vehicle to run through the power battery; monitoring whether the wheel end required power of the vehicle exceeds a preset wheel end required power threshold value or not under the condition that the residual electric quantity of the power battery does not reach the first preset electric quantity threshold value; if the wheel end required power of the vehicle is monitored to exceed the preset wheel end required power threshold, driving the vehicle to run at least through the engine; and if the wheel end required power of the vehicle is not monitored to exceed the preset wheel end required power threshold, driving the vehicle to run through the power battery.

According to the method, after a target energy management operation mode set by a user for a vehicle is obtained, energy management control of the vehicle is carried out according to the target energy management operation mode, specifically, whether the residual electric quantity of a power battery of the vehicle is above a first preset electric quantity threshold corresponding to the target energy management operation mode is judged first, if so, an engine of the vehicle is started under the condition that the opening degree of an accelerator pedal of the vehicle is monitored to reach the preset opening degree threshold, so that the vehicle is driven at least through the engine, and if the opening degree of the accelerator pedal of the vehicle is monitored to not reach the preset opening degree threshold, the vehicle is driven through the power battery; if the residual electric quantity of the power battery does not reach the first preset electric quantity threshold value, the vehicle is driven to run at least through the engine when the wheel end required power of the vehicle is monitored to exceed the preset wheel end required power threshold value, and the vehicle is directly driven to run through the power battery when the wheel end required power of the vehicle does not exceed the preset wheel end required power threshold value. Therefore, the scheme of the embodiment of the application provides the target energy management operation mode for further effectively utilizing the electric quantity of the power battery, so that the pure electric endurance mileage of the vehicle can be improved, the requirements of users on vehicle experience and cost reduction are met, the users with similar requirements can find the required energy management operation mode, the overall control strategy is more flexible, and the user experience is effectively improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a flow chart illustrating a method of energy management control of a vehicle according to an exemplary embodiment;

FIG. 2 is a system architecture diagram shown in accordance with an exemplary embodiment;

FIG. 3 is a schematic diagram of an architecture of a meter information display host and an audio entertainment host, according to an example embodiment;

FIG. 4 is a flowchart illustrating details of step 110 in the embodiment of FIG. 1, according to an exemplary embodiment;

FIG. 5 is a schematic diagram of a setup interface for a pure priority mode, according to an example embodiment;

FIG. 6 is a schematic diagram of vehicle control logic shown in accordance with an exemplary embodiment;

FIG. 7 is a schematic illustration of a clutch configuration shown in accordance with an exemplary embodiment;

FIG. 8 is a schematic flow chart diagram of a pure control logic shown according to an exemplary embodiment;

FIG. 9 is a schematic diagram illustrating equilibrium points for a pure priority mode according to an exemplary embodiment;

FIG. 10 is a block diagram illustrating an energy management control device of a vehicle according to an exemplary embodiment;

fig. 11 shows a schematic diagram of a computer system suitable for use in implementing the electronic device of the embodiments of the present application.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.

Furthermore, the drawings are only schematic illustrations of the present application and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.

In the related art, with the popularization of new energy automobiles, plug-in hybrid electric vehicles (Plug ≡ in hybrid electric vehicle, PHEV automobiles) are currently more common new energy automobiles. For PHEV cars, the current vehicle control strategy is: and preferentially using the electric energy until the electric energy is used for continuous voyage (namely EV continuous voyage) and then starting the engine to enter a hybrid mode. However, when the vehicle control strategy is adopted, the battery is completely driven at a high speed under a high-power working condition, the service life of the battery is influenced due to frequent high-power discharge, and the comprehensive endurance mileage of the whole vehicle cannot be optimized. And when the electric quantity of the power battery is sufficient and the electric quantity is insufficient, the power performance difference of the whole vehicle is obvious, and the power performance difference is also a point frequently complained by users.

The hybrid power system is provided with a plurality of power systems, the structure of the hybrid power system is complex, and the energy flows among different power devices can be combined with each other to form a plurality of working modes. Research shows that under the multi-working mode of the hybrid power system, the optimization of energy distribution among various power devices and the research on the power performance, economy and drivability of the automobile become hot spots and difficulties in the research of the current hybrid power driving system. The simple and reasonable control strategy is adopted to effectively reflect the driving intention of the driver on different working conditions of the automobile so as to adopt a reasonable working mode, so that the engine can be at an optimal working condition point, the fuel economy and the emission of the automobile are improved, and the service life of a power system (such as a battery pack) is prolonged.

In general, the performance of automobiles is a balance of dynamic and economic performance that combines the needs of most consumers. The performance of an automobile is difficult to meet the needs of all drivers with different sexes, different ages, and different driving styles. Such as: for some young male drivers, the power is pursued relatively, the power is strong, the acceleration is fast, the overtaking can be completed quickly, and the economy is not particularly seen; for some female consumers, comfort, stability, economy, etc., may be sought after with less obvious need for motivation. Clearly, a single style has not been able to meet the needs of different types of consumers.

To solve this problem, more and more automobile companies push driving operation mode setting buttons, and the driver can manually select various operation modes such as pure electric (EV, electric Vehicles), hybrid electric (HEV, hybrid Electric Vehicles), and the like. Different types of drivers can select driving modes according to their own needs.

However, although there are many companies that are currently developing hybrid vehicle models, most of the companies have not formulated different strategies for the operation modes of the hybrid vehicle, and still simply adopt: the energy management strategy is that the pure electric mode is simply adopted when electricity is available, and the hybrid electric mode is adopted when no electricity is available.

Therefore, the energy management strategy provided under the related technical scheme is single, the energy management control is not flexible enough, and different scene requirements of users cannot be met.

Therefore, the embodiment of the application firstly provides the energy management control method of the vehicle, by using the method, the defects can be overcome, and a plurality of energy modes are set from different scenes of users so as to meet different requirements of the users, so that user experience is improved, and user satisfaction is increased.

Fig. 1 is a flowchart illustrating a method of energy management control of a vehicle according to an exemplary embodiment. The energy management control method of the vehicle may be performed by a complete vehicle controller (Vehicle Control Unit) in the vehicle. Referring to fig. 1, the energy management control method of the vehicle may include the steps of:

Step 110, a target energy management operating mode set by a user for the vehicle is obtained.

The vehicle herein may be a hybrid vehicle.

In one embodiment of the present application, the vehicle is provided with at least one setting of an energy management mode of operation for the user, the at least one setting of an energy management mode of operation comprising at least one of: the method comprises the steps of setting through physical keys, setting through a human-computer interaction interface of the vehicle-mounted terminal, setting through voice interaction with the vehicle-mounted terminal and setting through a mobile terminal capable of communicating with the vehicle-mounted terminal.

In one embodiment of the present application, obtaining a target energy management operating mode set by a user for a vehicle includes: and acquiring a target energy management operation mode set for the vehicle by a user through a target setting mode in at least one setting modes of the energy management operation modes.

The vehicle may be provided with a plurality of selectable energy management modes of operation including a target energy management mode of operation, the plurality of selectable energy management modes of operation may include a priority-only mode, a forced-only mode, a hybrid-electric mode, and an electric-power-conservation mode, wherein a first frequency of electric-drive travel in the priority-only mode is greater than a second frequency of engine-drive travel; the third frequency of the electric driving running in the forced pure electric mode is larger than the fourth frequency of the engine driving running, the fourth frequency is larger than the second frequency and the third frequency is larger than the first frequency; in the intelligent electric hybrid mode, the vehicle is driven by the engine to run preferentially when in a high-speed working condition, and is driven by electricity to run preferentially when in a low-speed working condition; in the power-saving priority mode, the difference between the residual electric quantity of the power battery and the target electric quantity is kept within a preset electric quantity difference value range.

The target energy management operation mode may be a target energy management operation mode arbitrarily selected by a user from among a plurality of selectable energy management operation modes including a pure electric mode, a forced pure electric mode, a smart electric hybrid mode, and a power conservation priority mode.

The vehicle may be provided with one or more settings for the energy management mode of operation for the user. The energy management mode of operation provided by the vehicle to the user may include any of a number of settings including: the method comprises the steps of setting through physical keys, setting through a human-computer interaction interface of the vehicle-mounted terminal, setting through voice interaction with the vehicle-mounted terminal and setting through a mobile terminal capable of communicating with the vehicle-mounted terminal.

The mobile terminal may be, for example, a smart phone, so that the user may set the energy management operation mode through the smart phone. Of course, in other embodiments of the present application, the vehicle may also provide other settings for the user, such as the user may set the energy management mode of operation by driving a manual gear shift.

Fig. 2 is a system architecture diagram shown in accordance with an exemplary embodiment. Referring to fig. 2, the system architecture includes a VCU (Vehicle Control Unit, a whole vehicle controller), an ACU (Audio Control Unit, a host and its controller), and a GW (Gateway), where the ACU is a controller in a vehicle-mounted intelligent multimedia host (AVNT), and the vehicle-mounted intelligent multimedia host (AVNT) provides a plurality of online function services for a user, such as a series of functions of voice, online music, online radio, online navigation, and application store, and communicates with other nodes of the whole vehicle through a CAN bus, ethernet, and the like.

Fig. 3 is a schematic diagram of an architecture of a meter information display host and an audio entertainment host, according to an example embodiment. Referring to fig. 3, the vehicle includes an audio entertainment host, that is, the foregoing vehicle-mounted intelligent multimedia host or vehicle-mounted terminal, where the software and hardware architecture of the host includes an ecological application, an operating system, and a hardware platform, specifically, the hardware platform may include a touch screen, and a user may interact with the vehicle-mounted intelligent multimedia host through the touch screen, that is, a man-machine interaction interface may be displayed in the touch screen, and the user may set an energy management operation mode through the man-machine interaction interface.

Next, how to set the target energy management operation mode through the man-machine interaction interface of the vehicle-mounted terminal is described.

Specifically, the man-machine interaction interface of the vehicle-mounted terminal can display buttons or soft keys corresponding to the energy management operation modes, and a user can select and set the corresponding energy management operation modes by triggering a certain button or soft key in the man-machine interaction interface.

Fig. 5 is a schematic diagram of a setup interface for a pure priority mode, according to an example embodiment. Referring to fig. 5, the man-machine interface of the vehicle-mounted terminal includes soft keys corresponding to a pure electric priority mode, a smart hybrid mode and a power-saving priority mode, and when the user triggers the soft key corresponding to the pure electric priority mode, the soft key is highlighted and simultaneously displays the setting interface of the pure electric priority mode shown in fig. 5, which includes description information related to the pure electric priority mode.

In one embodiment of the application, the target setting mode is set through a human-computer interaction interface of the vehicle-mounted terminal; acquiring a target energy management operation mode set for a vehicle by a user through a target setting mode in at least one setting mode of the energy management operation modes, including: and acquiring a forced pure electric mode set by a user for the vehicle through a setting interface of the pure electric priority mode in the man-machine interaction interface of the vehicle-mounted terminal.

With continued reference to fig. 5, the setting interface of the pure electric preference mode further includes a slide button corresponding to the forced pure electric mode, and the user can enter the forced pure electric mode by opening the slide button.

The lower limit of the available SOC (State of Charge) of the forced pure electric mode is lower than that of the pure electric priority mode, and a longer pure electric range can be supported.

The forced pure electric mode is equivalent to the pure electric priority mode of the enhanced version, so that the user can normally set the forced pure electric mode, and meanwhile, the number of soft keys displayed in the man-machine interaction interface is reduced, so that the interface is more concise, and the user experience is improved.

Of course, in other embodiments of the present application, the user may set the forced pure electric mode by other means such as a key.

In one embodiment of the present application, after acquiring the target energy management operation mode set by the user for the vehicle, the energy management control method of the vehicle further includes: displaying information related to the target energy management operating mode on at least one of the following display interfaces: human-computer interaction interface of the vehicle-mounted terminal and instrument interface of the vehicle.

Part or all of the information of the target energy management operation mode can be displayed in a human-computer interaction interface of the vehicle-mounted terminal and/or an instrument interface of the vehicle. For example, all information of the target energy management operation mode may be displayed in the instrument interface of the vehicle, for example, the target electric quantity in the electricity retention priority mode may be displayed, and of course, only information indicating the target energy management operation mode, such as an icon, a name, and the like of the target energy management operation mode may be displayed in the instrument interface of the vehicle, so that the display of the information in the instrument interface of the vehicle is more concise.

With continued reference to fig. 2, the system architecture further includes an ICM (Instrument Control Module, meter) capable of communicating with the GW, and the GW, VCU, and ACU and ICM may communicate over a bus. When the user sets the energy management operation mode through the man-machine interaction interface of the vehicle-mounted terminal, the ACU sends a corresponding energy mode setting signal to the GW.

After receiving the energy mode setting signals, the GW forwards the energy mode setting signals to the VCU, the VCU generates energy mode display signals after receiving the signals and sends the energy mode display signals to the GW, on one hand, the GW sends the energy mode display signals to the ACU and displays the energy modes through a man-machine interaction interface of the vehicle-mounted terminal, and on the other hand, the GW also sends the energy mode display signals to the ICM, and the ICM displays and lights the corresponding energy modes. The energy mode display signal sent by the GW to the ICM may be a vcu_operatingmode signal, where vcu_operatingmode=4 represents a forced pure electric mode, and after the meter receives the signal, the meter may display "pure electric priority" of a blue font.

In one embodiment of the present application, the target setting mode is set by a physical key; acquiring a target energy management operation mode set for a vehicle by a user through a target setting mode in at least one setting mode of the energy management operation modes, including: and acquiring a target energy management operation mode set for the vehicle by a user through triggering a specified physical key, wherein the triggering of the specified physical key can switch among a plurality of selectable energy management operation modes.

With continued reference to fig. 2, the system architecture further includes an energy mode switch, which is electrically connected to the VCU by a hard wire, the energy mode switch, i.e., designates a physical key, which may also be referred to as a hard key, which may send a target energy management operation mode to the VCU by directly sending a hard wire signal to the VCU, the VCU performing according to the relevant energy mode, and feeding back the result set by the user to a host controller (ACU) and a meter (ICM) through a Gateway (GW), and displaying them on the host (AVNT) and the meter, respectively.

The logic for realizing the energy mode switching based on the physical key is specifically as follows: when the current execution mode is the electricity-saving priority mode, the physical key is pressed for a short time to enter the pure electric priority mode, and the physical key is pressed for a long time to enter the forced pure electric mode; when the current execution mode is a pure electric priority mode or an intelligent electric hybrid mode, the short-press physical key can be switched between the two modes, and the long-press physical key enters a forced pure electric mode; when the current execution mode is the forced pure electric mode, the physical key is pressed for a short time to enter the pure electric priority mode, the long-time press is not responded, and the forced pure electric mode is continuously executed.

The key trigger logic may be: starting timing from the change of the key-press level, and ending the timing of the change of the key-release level again. When the key is pressed, the length is larger than 0.2s and smaller than 2s, the short press is identified, and when the key is pressed, the length is larger than or equal to 2s, the long press is identified. The VCU will execute the switching of the energy mode after the key release timing is completed.

Of course, the time periods for judging the short press and the long press may be set to other time periods, which are not limited herein.

By using one designated physical key, switching between all energy management modes of operation can be made, making the user feel more concise. Of course, in other embodiments of the present application, a plurality of physical keys may also be provided to the user, each for triggering a respective energy management mode of operation.

When the energy mode is switched into pure electric priority and intelligent electric hybrid power through the physical keys, corresponding soft keys can be synchronously highlighted in a human-computer interaction interface of the vehicle-mounted terminal; when the forced pure electric mode is switched to by the physical key, a switch of the forced pure electric mode in a man-machine interaction interface of the vehicle-mounted terminal can be started in a linkage way.

The following describes how the setting of the energy management operation mode is performed by performing the setting through voice interaction with the in-vehicle terminal.

After waking up a host controller (ACU), a user can set an energy management operation mode through voice. The AVNT host machine (the controller of the AVNT host machine is ACU) is used for identifying an energy management operation mode wanted by a user, a result set by the user is fed back to the whole vehicle controller VCU and the instrument through the Gateway (GW), the result is respectively displayed on the host machine (AVNT) and the instrument, and finally the VCU performs energy management control on the vehicle according to the relevant energy mode.

Specifically, if a user wants to open a certain energy management operation mode, the user needs to send out a voice for indicating to open the energy management operation mode, after receiving the voice, the AVNT host computer recognizes text information corresponding to the voice, and then matches the text information with text information preset in the AVNT host computer and respectively corresponding to the energy management operation modes; if the identified text information is matched with the text information corresponding to opening a certain energy management operation mode, the set target energy management operation mode is determined to be the energy management operation mode.

For example, the "open pure electric priority mode", "start pure electric priority mode", "open pure electric driving mode", "start pure electric driving mode", and the like may be set for the open pure electric priority mode, and once it is detected that the identified text information matches one of the text information, the set target energy management operation mode is determined to be the pure electric priority mode, at this time, the AVNT host may reply with voice "good for your open pure electric priority mode", and if the current state of the vehicle does not support the open pure electric priority mode, the AVNT host may reply with voice "your loving vehicle temporarily cannot open pure electric priority mode".

For forced pure electric mode, smart electric hybrid mode, and power save priority mode, the energy management mode of operation may also be turned on based on speech recognition in a manner similar to the pure electric priority mode.

In order to ensure that the function of setting the energy management operation mode by voice is triggered by mistake, the authority of the function can be set to be limited to the main driving; if the voice sound source comes from other positions in the vehicle or outside the vehicle, the AVNT host can reply with voice that the main driving control is only supported temporarily, and the main driving is requested to give an instruction.

Fig. 6 is a schematic diagram of a vehicle control logic shown according to an exemplary embodiment. Referring to fig. 6, the vehicle controller, that is, the vehicle energy management unit shown in fig. 6, receives driving requirement information such as an accelerator opening, a brake opening, and vehicle state information such as a vehicle speed, a gradient, an SOC, and an in-vehicle temperature, and further receives an energy mode selected by a user, and then performs energy management control, and finally controls actions of the engine 601, the motor 602, the battery 603, the shift mechanism 604, the air conditioner 605, and other components, so as to implement different operation modes, so as to meet requirements of different scenes of the user. Fig. 7 is a schematic structural view of a clutch according to an exemplary embodiment. Referring to FIG. 7, the shift mechanism 604 is actually a clutch in a hybrid system that is located between the transmission and the engine, including diaphragm springs, pressure plates, driven plates, torsional dampers, friction plates, and the like.

In one embodiment of the present application, after acquiring the target energy management operation mode set by the user for the vehicle, the energy management control method of the vehicle may further include: and when a memory instruction for setting the target energy management operation mode is received, saving the target energy management operation mode so as to default to the target energy management operation mode when the vehicle is started next time.

The power-down memory function may be provided for all types of energy management modes of operation, or may be provided for only a portion of energy management modes of operation. With continued reference to fig. 5, the man-machine interaction interface of the vehicle-mounted terminal further includes a slide button for memorizing the current vehicle mode, when the user opens the slide button, the whole vehicle controller VCU receives a memorizing instruction for the current vehicle mode and stores the current vehicle mode, and when the vehicle is started next time, the whole vehicle controller VCU is powered on and sends the current vehicle mode to the instrument and the man-machine interaction interface of the vehicle-mounted terminal for display.

Fig. 4 is a flowchart illustrating details of step 110 in the embodiment of fig. 1, according to an exemplary embodiment. Referring to fig. 4, the method for acquiring the target energy management operation mode set by the user for the vehicle specifically includes the following steps:

Step 110', a pure electric priority mode set by a user for the vehicle is obtained, wherein the first preset electric quantity threshold value is a first preset electric quantity threshold value corresponding to the pure electric priority mode.

The pure electric priority mode can be obtained through a human-computer interaction interface or a physical key.

The first preset power threshold corresponding to the pure electric priority mode may be 20%, or may be other values such as 21%, 22%.

In one embodiment of the present application, obtaining a target energy management operating mode set by a user for a vehicle includes: and acquiring a forced pure electric mode set by a user for the vehicle, wherein the first preset electric quantity threshold value is a first preset electric quantity threshold value corresponding to the forced pure electric mode.

When the user switches to force pure electricity, the engine is started and stopped to cause the influence on the dynamic performance and the drivability, and filtering is considered to ensure smooth and unobtrusive power switching.

For example, the first preset power threshold corresponding to the forced pure electric mode may be 12%, or may be 13%, 11%, or other values.

Step 120, monitoring whether the opening degree of an accelerator pedal of the vehicle reaches a preset opening degree threshold value when the remaining electric quantity of a power battery of the vehicle is above a first preset electric quantity threshold value corresponding to a target energy management operation mode.

If the target energy management operation mode is a pure electric priority mode, the corresponding first preset electric quantity threshold value is 20%, and when the current SOC is more than or equal to 20%, pure electric driving is mainly carried out.

Fig. 8 is a flow diagram illustrating pure control logic according to an example embodiment. Referring to fig. 8, after the process starts, if the user selects the pure electric priority mode, it is determined whether the SOC is greater than 20%, and if so, it is further determined whether the wheel end power demand is greater than the pure electric power. The wheel end required power is obtained according to the opening degree of the accelerator pedal, and the wheel end required power and the opening degree of the accelerator pedal have a one-to-one correspondence, so that the wheel end required power is equivalent to the opening degree of the accelerator pedal, the pure electric power is allowable discharging power of the power battery, and the pure electric power is equivalent to a preset opening threshold value.

In one embodiment of the present application, after obtaining the forced pure electric mode set by the user for the vehicle, the method further comprises: if the residual electric quantity of the power battery of the vehicle is above a second preset electric quantity threshold value, judging whether the allowable discharge power of the power battery is smaller than the preset power threshold value and the condition that the wheel end required power of the vehicle is larger than the allowable discharge power of the power battery is met, wherein the preset power threshold value is larger than the preset wheel end required power threshold value, and the second preset electric quantity threshold value is larger than the first preset electric quantity threshold value; if the allowable discharge power of the power battery is smaller than the preset power threshold and the condition that the wheel end required power of the vehicle is larger than the allowable discharge power of the power battery is met, starting an engine of the vehicle and driving the vehicle to run at least through the engine; if the allowable discharge power of the power battery is smaller than the preset power threshold and the condition that the wheel end required power of the vehicle is larger than the allowable discharge power of the power battery is not satisfied, the vehicle is driven to run by the power battery.

In one embodiment of the present application, for the forced pure electric mode, when a remaining electric quantity of a power battery of a vehicle is above a first preset electric quantity threshold corresponding to a target energy management operation mode, monitoring whether an accelerator pedal opening of the vehicle reaches a preset opening threshold includes: and monitoring whether the opening degree of an accelerator pedal of the vehicle reaches a preset opening degree threshold value under the condition that the residual electric quantity of a power battery of the vehicle is above a first preset electric quantity threshold value corresponding to a target energy management operation mode and is smaller than a second preset electric quantity threshold value.

The second preset power threshold corresponding to the forced pure electric mode may be the same as or different from the first preset power threshold corresponding to the pure electric priority mode.

The second preset power threshold corresponding to the forced pure electric mode may be 20%, or may be other values such as 21%, 22%.

In one embodiment of the present application, after obtaining the forced pure electric mode set by the user for the vehicle, the method further comprises: and when the air-conditioning heating request is received under the condition that the residual electric quantity of the power battery of the vehicle is above a second preset electric quantity threshold value, shielding the air-conditioning heating request.

For the forced pure electric mode, when the current SOC is more than or equal to 20%, the full throttle is not allowed to start the engine, and even if the air conditioner heating requirement is received, the engine is not allowed to start.

In one embodiment of the present application, after obtaining the forced pure electric mode set by the user for the vehicle, the method further comprises: and under the condition that the residual electric quantity of the power battery of the vehicle is above a second preset electric quantity threshold value, if the operation of prohibiting the starting of the engine of the vehicle is in conflict with the shutdown prohibition request for the engine sent by the engine management system of the vehicle, the shutdown prohibition request is shielded.

When the actual SOC is more than or equal to 20%, when the forced pure electric shutdown requirement conflicts with the self startup requirement of an engine management system (Engine Management System, EMS), the VCU can shield the shutdown prohibition requirement sent by the functions of heating, diagnosis and the like of the EMS catalyst.

The preset power threshold may be 60kw or other values; the preset wheel end required power threshold value can be 35kw or other values.

Referring to fig. 8, if the user selects the forced pure electric mode, it is determined whether the SOC is greater than 20%, if so, it is further determined whether the pure electric power is less than 60kw and the condition that the power required by the wheel end is greater than the pure electric power is satisfied, where the pure electric power is the allowable discharge power of the power battery, and if so, the engine is allowed to be started, i.e. hybrid running is performed; if not, the vehicle is driven by the power battery only and the pure electric vehicle is driven only. When the hybrid running is carried out, the engine and the power battery can drive the vehicle to run simultaneously, or the engine can drive the vehicle to run only, and in the process, the engine can charge the power battery.

And step 130, if the accelerator pedal opening of the vehicle is monitored to reach the preset opening threshold, starting an engine of the vehicle, and driving the vehicle to run at least through the engine.

The preset opening threshold may be set to various values, for example, 80%, or other values such as 81%, 82%. The preset opening thresholds corresponding to the pure electric priority mode and the forced pure electric mode may be the same or different.

With continued reference to fig. 8, if the SOC is greater than 20%, if the wheel end power demand is greater than the full power, that is, the accelerator pedal opening of the vehicle reaches the preset opening threshold, the engine of the vehicle is started to perform hybrid driving.

And 140, if the accelerator pedal opening of the vehicle is not detected to reach the preset opening threshold, driving the vehicle to run through the power battery.

With continued reference to fig. 8, if the SOC is greater than 20%, the vehicle is driven only if the wheel end power demand does not exceed the full power, i.e., the accelerator pedal opening does not reach the preset opening threshold.

For the forced pure electric mode, when the SOC is more than 20% and is more than or equal to 12%, the engine can be started when the vehicle mainly runs with pure electric power and the accelerator pedal is large (the opening of the accelerator pedal is more than or equal to 80%).

Step 150, monitoring whether the wheel end required power of the vehicle exceeds a preset wheel end required power threshold value under the condition that the residual electric quantity of the power battery does not reach a first preset electric quantity threshold value.

With continued reference to fig. 8, when SOC is less than 20%, fuel is mainly used for driving, and it is determined whether the wheel end power, i.e. the wheel end required power is greater than 35kw.

Similarly, in the forced pure electric mode, when the SOC is less than 12%, the vehicle is mainly driven by fuel.

And step 160, if the wheel end required power of the vehicle exceeds the preset wheel end required power threshold, driving the vehicle to run at least through the engine.

With continued reference to fig. 8, if the SOC is greater than 20%, the engine of the vehicle is started to perform hybrid running if the wheel end demand power is greater than 35kw.

And step 170, if the wheel end required power of the vehicle is not monitored to exceed the preset wheel end required power threshold, driving the vehicle to run through the power battery.

With continued reference to fig. 8, if the SOC is greater than 20%, the electric power required for the wheel end is not greater than 35kw, the electric vehicle is driven.

In one embodiment of the present application, in the pure electric priority mode, the vehicle corresponds to different battery power balance points in different vehicle speed intervals, and the power battery of the vehicle repeatedly charges and discharges around the battery power balance point corresponding to the vehicle speed interval in the same vehicle speed interval.

Fig. 9 is a schematic diagram illustrating the balance points of a pure priority mode according to an exemplary embodiment. Referring to fig. 9, the electric quantity balance points of the pure electric priority mode and the forced pure electric mode are shown, specifically, the horizontal axis of the coordinate system shown in fig. 9 is time, the vertical axis is the apparent electric quantity, the coordinate system includes two curves of the apparent electric quantity with time, namely, a curve of the apparent electric quantity with time (darker curve) in the pure electric priority mode and a curve of the apparent electric quantity with time (lighter curve) in the forced pure electric mode, each curve further includes a plurality of dark line segments and a plurality of light line segments, the dark line segments represent a stage of running mainly with oil, and the engine charges the power battery in this stage; the light line segments represent the phase of travel that is mainly electric, which is mainly used for discharging.

The balance point means that the vehicle is driven to a certain degree, and the SOC of the power battery is maintained unchanged (it can be understood that the SOC of the power battery is kept in a small range in the repeated charge and discharge).

As can be seen from fig. 9, the balance point varies with vehicle speed, and is different from vehicle speed section to vehicle speed section. For example, in the high speed phase with a speed > 80km/h, the equilibrium point may be 10%; in the low speed phase of vehicle speed < 40km/h, the equilibrium point may be 5%. These balance points are all calibrated and adjustable.

In summary, according to the energy management control method for a vehicle provided by the embodiment of the present application, the following effects can be obtained:

1. aiming at consumers with different driving demands, strategies with different energy modes are developed, so that the satisfaction degree of users can be improved, and the complaints of the users on products can be reduced;

2. the pure electric priority and forced pure electric mode is developed, and the pure electric endurance mileage of the vehicle can be further improved;

3. through the control strategy, the method can bring the purely electric vehicle experience to the user, namely, the method has the advantages of quiet driving, smooth running and low use cost of the whole vehicle.

The application also provides an energy management control device of the vehicle, and the following is an embodiment of the device.

Fig. 10 is a block diagram illustrating an energy management control device of a vehicle according to an exemplary embodiment. As shown in fig. 10, the apparatus 1000 includes:

an acquisition module 1010 configured to acquire a target energy management operation mode set by a user for the vehicle;

a first monitoring module 1020 configured to monitor whether an accelerator pedal opening of the vehicle reaches a preset opening threshold if a remaining power of a power battery of the vehicle is above a first preset power threshold corresponding to the target energy management operation mode;

A first driving module 1030 configured to start an engine of the vehicle and drive the vehicle to run at least through the engine if it is monitored that an accelerator pedal opening of the vehicle reaches a preset opening threshold;

a second driving module 1040 configured to drive the vehicle to travel by the power battery if it is monitored that the accelerator pedal opening of the vehicle does not reach the preset opening threshold;

a second monitoring module 1050 configured to monitor whether the wheel end required power of the vehicle exceeds a preset wheel end required power threshold if the remaining power of the power battery does not reach the first preset power threshold;

a third driving module 1060 configured to drive the vehicle to run at least through the engine if it is monitored that the wheel end required power of the vehicle exceeds the preset wheel end required power threshold;

and a fourth driving module 1070 configured to drive the vehicle through the power battery if it is detected that the wheel end required power of the vehicle does not exceed the preset wheel end required power threshold.

It should be noted that, the computer system 1100 of the electronic device shown in fig. 11 is only an example, and should not impose any limitation on the functions and the application scope of the embodiments of the present application.

As shown in fig. 11, the computer system 1100 includes a central processing unit (Central Processing Unit, CPU) 1101 that can perform various appropriate actions and processes, such as performing the method described in the above embodiment, according to a program stored in a Read-Only Memory (ROM) 1102 or a program loaded from a storage section 1108 into a random access Memory (Random Access Memory, RAM) 1103. In the RAM 1103, various programs and data required for system operation are also stored. The CPU 1101, ROM 1102, and RAM 1103 are connected to each other by a bus 1104. An Input/Output (I/O) interface 1105 is also connected to bus 1104.

The following components are connected to the I/O interface 1105: an input section 1106 including a keyboard, a mouse, and the like; an output portion 1107 including a Cathode Ray Tube (CRT), a liquid crystal display (Liquid Crystal Display, LCD), and a speaker; a storage section 1108 including a hard disk or the like; and a communication section 1109 including a network interface card such as a LAN (Local Area Network ) card, a modem, or the like. The communication section 1109 performs communication processing via a network such as the internet. The drive 1110 is also connected to the I/O interface 1105 as needed. Removable media 1111, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like, is installed as needed in drive 1110, so that a computer program read therefrom is installed as needed in storage section 1108.

In particular, according to embodiments of the present application, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flowcharts. In such an embodiment, the computer program can be downloaded and installed from a network via the communication portion 1109, and/or installed from the removable media 1111. When executed by a Central Processing Unit (CPU) 1101, performs the various functions defined in the system of the present application.

It should be noted that, the computer readable medium shown in the embodiments of the present application may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: 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 (Erasable Programmable Read Only Memory, EPROM), 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. In the present application, however, a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. 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, wired, etc., or any suitable combination of the foregoing.

The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. Where each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

The units involved in the embodiments of the present application may be implemented by means of software, or may be implemented by means of hardware, and the described units may also be provided in a processor. Wherein the names of the units do not constitute a limitation of the units themselves in some cases.

As an aspect, the present application also provides a computer-readable medium that may be contained in the electronic device described in the above embodiment; or may exist alone without being incorporated into the electronic device. The computer-readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to implement the methods described in the above embodiments.

It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functions of two or more modules or units described above may be embodied in one module or unit, in accordance with embodiments of the present application. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.

From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present application may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a usb disk, a mobile hard disk, etc.) or on a network, and includes several instructions to cause a computing device (may be a personal computer, a server, a touch terminal, or a network device, etc.) to perform the method according to the embodiments of the present application.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains.

It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. A method of energy management control of a vehicle, the method comprising:

2. The method of claim 1, wherein the obtaining the target energy management operating mode set by the user for the vehicle comprises:

and acquiring a pure electric priority mode set by a user for the vehicle, wherein the first preset electric quantity threshold value is a first preset electric quantity threshold value corresponding to the pure electric priority mode.

3. The method of claim 1, wherein the obtaining the target energy management operating mode set by the user for the vehicle comprises:

Obtaining a forced pure electric mode set by a user for a vehicle, wherein the first preset electric quantity threshold value is a first preset electric quantity threshold value corresponding to the forced pure electric mode;

after acquiring the forced pure electric mode set by the user for the vehicle, the method further includes:

if the residual electric quantity of the power battery of the vehicle is above a second preset electric quantity threshold value, judging whether the allowable discharge power of the power battery is smaller than a preset power threshold value and whether the condition that the wheel end required power of the vehicle is larger than the allowable discharge power of the power battery is met, wherein the preset power threshold value is larger than the preset wheel end required power threshold value, and the second preset electric quantity threshold value is larger than the first preset electric quantity threshold value;

if the allowable discharge power of the power battery is smaller than a preset power threshold and the condition that the wheel end required power of the vehicle is larger than the allowable discharge power of the power battery is met, starting an engine of the vehicle and driving the vehicle to run at least through the engine;

if the allowable discharge power of the power battery is smaller than a preset power threshold and the condition that the wheel end required power of the vehicle is larger than the allowable discharge power of the power battery is not satisfied, driving the vehicle to run through the power battery;

And when the remaining capacity of the power battery of the vehicle is above a first preset capacity threshold corresponding to the target energy management operation mode, monitoring whether the opening of an accelerator pedal of the vehicle reaches a preset opening threshold, including:

and monitoring whether the opening degree of an accelerator pedal of the vehicle reaches a preset opening degree threshold value under the condition that the residual electric quantity of a power battery of the vehicle is above a first preset electric quantity threshold value corresponding to the target energy management operation mode and is smaller than the second preset electric quantity threshold value.

4. A method according to claim 3, wherein after obtaining the forced pure electric mode set by the user for the vehicle, the method further comprises:

and when the air-conditioning heating request is received under the condition that the residual electric quantity of the power battery of the vehicle is above a second preset electric quantity threshold value, shielding the air-conditioning heating request.

5. A method according to claim 3, wherein after obtaining the forced pure electric mode set by the user for the vehicle, the method further comprises:

and under the condition that the residual electric quantity of the power battery of the vehicle is above a second preset electric quantity threshold value, if the operation of prohibiting the starting of the engine of the vehicle is in conflict with the shutdown prohibition request for the engine sent by the engine management system of the vehicle, shielding the shutdown prohibition request.

6. The method of claim 2, wherein in the prioritized mode, the vehicle corresponds to different battery balance points at different vehicle speed intervals, and the power battery of the vehicle is repeatedly charged and discharged within the same vehicle speed interval around the battery balance points corresponding to the vehicle speed intervals.

7. The method of claim 1, wherein the vehicle provides the user with at least one setting of an energy management mode of operation, the at least one setting of an energy management mode of operation comprising at least one of: setting by physical keys, setting by a man-machine interaction interface of the vehicle-mounted terminal, setting by voice interaction with the vehicle-mounted terminal, and setting by a mobile terminal capable of communicating with the vehicle-mounted terminal;

the obtaining the target energy management operation mode set by the user for the vehicle comprises the following steps:

and acquiring the target energy management operation mode set for the vehicle by a user through a target setting mode in at least one setting mode of the energy management operation modes.

8. An energy management control device of a vehicle, the device comprising:

9. A computer readable medium, on which a computer program is stored, which computer program, when being executed by a processor, implements the method according to any one of claims 1 to 7.

10. An electronic device, comprising:

one or more processors;

storage means for storing one or more programs which when executed by the one or more processors cause the one or more processors to implement the method of any of claims 1 to 7.