CN116620256A

CN116620256A - Energy control method and device and vehicle

Info

Publication number: CN116620256A
Application number: CN202310635736.5A
Authority: CN
Inventors: 张洪剑; 黄大飞; 刘小飞; 陈轶; 周正伟; 梁源; 师合迪; 曹鸿圣; 曹杨
Original assignee: Chengdu Seres Technology Co Ltd
Current assignee: Chongqing Selis Phoenix Intelligent Innovation Technology Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-08-22

Abstract

The application relates to the field of automobiles, and provides an energy control method, an energy control device and a vehicle. The method comprises the following steps: acquiring navigation information of a vehicle, and remaining total energy and historical driving habit information of the vehicle at a navigation starting point; predicting a remaining energy curve of the vehicle based on the navigation information, the remaining total energy and the historical driving habit information; determining a coordinate point of a vehicle in a driving path corresponding to the residual energy curve when the energy threshold is started, and taking the coordinate point as a starting position; when the vehicle runs to the opening position, the range extender of the vehicle is opened. According to the energy control method provided by the application, all the residual energy can be used as the energy for driving the vehicle to travel, so that the dynamic property of the vehicle can be improved, and the range extender is started when the vehicle travels to the starting position according to the predicted energy residual curve, so that the excessive instantaneous power of the range extender is eliminated when the vehicle travels, and the safety of the range extender vehicle is improved.

Description

Energy control method and device and vehicle

Technical Field

The present application relates to the field of automotive technologies, and in particular, to an energy control method and apparatus, and a vehicle.

Background

In the prior art, an energy control strategy of an extended range electric vehicle requires that a part of available power is reserved in all available power so as to ensure that all available power is not reduced due to the starting of an extended range device in the driving process, thereby causing insufficient energy for driving the vehicle. The reserved available power is also required to be used for driving the generator control device GCU (Generator Control Unit), so that the power battery can be charged when the remaining capacity SOC (State of Charge) of the vehicle battery is low, and the situation that the vehicle SOC continuously drops due to severe driving and the like is prevented, so that the available power is reduced again is avoided. However, in the actual driving process, when the range extender is started, there is a case that the instantaneous power is excessively high, and when the instantaneous power exceeds the reserved available power, the power is insufficient when the user drives to speed up, so that a certain driving risk exists. However, the existing energy control strategy cannot predict the energy consumed in the vehicle running course, and cannot avoid the driving risk, and the available space of the actual available power can be greatly reduced only by the above-mentioned reserved power mode, so that the vehicle dynamics cannot be fully exerted.

Disclosure of Invention

In view of the above, the embodiments of the present application provide an energy control method and apparatus, and a vehicle, so as to solve the problem in the prior art that the vehicle dynamics cannot be fully exerted because a part of energy is reserved for starting the range extender by all the energy of the vehicle.

In a first aspect of an embodiment of the present application, there is provided an energy control method, including:

acquiring navigation information of a vehicle, the residual total energy of the vehicle when the vehicle is at a navigation starting point and historical driving habit information, wherein the navigation information comprises the navigation starting point, a navigation ending point and a driving path;

predicting a residual energy curve of the vehicle based on the navigation information, the residual total energy and the historical driving habit information, wherein the residual energy curve is used for representing the corresponding relation between the position of the vehicle in the driving path and the residual energy of the vehicle;

determining a coordinate point of a vehicle in a driving path corresponding to the residual energy curve when the energy threshold is started, and taking the coordinate point as a starting position;

when the vehicle runs to the opening position, the range extender of the vehicle is opened.

In a second aspect of an embodiment of the present application, there is provided an energy control apparatus including:

the acquisition module is configured to acquire navigation information of the vehicle, residual total energy of the vehicle when the vehicle is at a navigation starting point and historical driving habit information, wherein the navigation information comprises the navigation starting point and the navigation terminal point;

a prediction module configured to predict a remaining energy curve of the vehicle based on the navigation information, the remaining total energy, and the historical driving habit information;

the determining module is configured to determine a coordinate point corresponding to the vehicle when the residual energy curve falls to the opening energy threshold value, and the coordinate point is used as an opening position;

and the opening module is configured to open the range extender of the vehicle when the vehicle runs to the opening position.

In a third aspect of the embodiments of the present application, a vehicle is provided, which comprises an electronic device for implementing the steps of the above method.

Compared with the prior art, the embodiment of the application has the beneficial effects that: acquiring navigation information of a vehicle, the residual total energy of the vehicle when the vehicle is at a navigation starting point and historical driving habit information, wherein the navigation information comprises the navigation starting point, a navigation ending point and a driving path; predicting a residual energy curve of the vehicle based on the navigation information, the residual total energy and the historical driving habit information, wherein the residual energy curve is used for representing the corresponding relation between the position of the vehicle in the driving path and the residual energy of the vehicle; determining a coordinate point of a vehicle in a driving path corresponding to the residual energy curve when the energy threshold is started, and taking the coordinate point as a starting position; when the vehicle runs to the opening position, the range extender of the vehicle is opened. According to the energy control method provided by the application, the surplus energy can be used as the energy for driving the vehicle to travel, so that the dynamic property of the vehicle can be improved, and the range extender is started when the vehicle travels to the starting position according to the predicted energy surplus curve, so that the transient power of the range extender is eliminated from being excessively large when the vehicle travels, the driving risk caused by exceeding the reserved power is avoided, and the safety of the range extender vehicle is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic flow chart of an energy control method according to an embodiment of the present application;

FIG. 2 is a flow chart of yet another method for controlling energy according to an embodiment of the present application;

FIG. 3 is a schematic diagram of an energy control provided by an embodiment of the present application;

fig. 4 is a schematic diagram of an electronic device according to an embodiment of the present application.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

An energy control method and apparatus according to an embodiment of the present application will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic flow chart of an energy control method according to an embodiment of the present application. As shown in fig. 1, the energy control method includes the steps of:

s101, acquiring navigation information of a vehicle, the residual total energy of the vehicle at the navigation starting point and historical driving habit information of the vehicle;

s102, predicting a residual energy curve of the vehicle based on navigation information, residual total energy and historical driving habit information;

s103, determining a coordinate point of the vehicle in the driving path corresponding to the residual energy curve when the energy threshold is started, and taking the coordinate point as the starting position;

s104, when the vehicle runs to the opening position, opening the range extender of the vehicle.

In some embodiments, vehicle navigation information set by a user is obtained, wherein the navigation information includes specific navigation information such as a driving path, a navigation starting point, a navigation ending point and the like selected by the user, and meanwhile, the remaining total energy and historical driving habit information of the vehicle at the navigation starting point are obtained. The historical driving habit information comprises driving habit information such as historical average energy consumption, historical average vehicle speed and the like.

And predicting a residual energy curve of the vehicle according to the navigation information, the residual total energy and the historical driving habit information, wherein the residual energy curve consists of driving consumption power required by each road section category corresponding to the predicted vehicle driving path, and the driving consumption power required by each road section category corresponding to the vehicle driving path is obtained according to big data statistics.

The energy surplus curve is used to represent a correspondence between a position of the vehicle in the travel path and surplus energy of the vehicle, and the predicted energy surplus curve may be drawn with the position in the travel path as the horizontal axis and the surplus energy as the vertical axis, or may be drawn with the position in the travel path as the vertical axis and the surplus energy as the horizontal axis.

And determining a coordinate point of the corresponding vehicle in the driving path when the residual energy of the residual energy curve is equal to the opening energy threshold value, taking the coordinate point as an opening position, and opening a range extender of the vehicle when the vehicle is driven to the opening position.

According to the energy control method provided by the application, the range extender is started at the first position according to the predicted total energy consumption, so that the phenomenon that the instantaneous power of the range extender is excessively high in the running process of the vehicle and possibly exceeds the reserved power, so that the driving risk is caused, and the safety of the range extender vehicle is improved.

In some embodiments, determining a coordinate point of the remaining energy curve in the travel path of the vehicle at the time of opening the energy threshold, before taking the coordinate point as the opening position, further includes:

judging whether the corresponding residual energy of the navigation terminal point on the residual energy curve is smaller than a minimum energy threshold value or not;

if so, the step of determining a coordinate point of the vehicle in the travel path when the remaining energy curve is at the opening energy threshold value and taking the coordinate point as the opening position is performed.

And determining the residual energy corresponding to the navigation end point on the residual energy curve, comparing the residual energy corresponding to the navigation end point with a minimum energy threshold value, and if the comparison result shows that the residual energy corresponding to the navigation end point is smaller than the minimum energy threshold value, determining a coordinate point of the corresponding vehicle in the driving path when the residual energy of the residual energy curve is equal to the starting energy threshold value. If the comparison result is that the residual energy corresponding to the navigation end point is not less than the minimum energy threshold, the starting coordinate is not determined, and the range extender is kept to be closed.

Wherein the minimum energy threshold is the minimum energy required to drive the vehicle.

In the energy control method provided by the application, whether the range extender needs to be started is judged according to the residual energy curve and the residual energy corresponding to the navigation terminal point, so that the residual energy of the whole vehicle can provide energy for driving the vehicle as much as possible, the energy waste is not caused, and the economic applicability of the vehicle is improved.

In some embodiments, determining whether the navigation endpoint is less than the minimum energy threshold before the corresponding remaining energy on the remaining energy curve further comprises:

the lowest energy threshold is determined based on the current user selected driving mode.

In an exemplary embodiment of the present application, if the location for charging the vehicle is not included in the navigation information, a minimum energy threshold is determined based on the driving mode selected by the current user. That is, when the charging station or the home address is not included on both sides of the road of the travel path, or when the navigation end point is not the charging station or the home address, or when it is determined that there is a small probability that the user charges the vehicle while traveling according to the user history behavior data, it is determined that the place for charging the vehicle is not included in the navigation information, and the lowest energy threshold is determined according to the driving mode selected by the current user.

In another exemplary embodiment of the present application, if the navigation information includes a location for charging the vehicle, the minimum energy threshold is determined according to the driving mode selected by the current user, and when the driving mode is not selected by the user, the minimum energy threshold is a preset value, for example, the minimum energy threshold is 5%. The navigation information includes a location for charging the vehicle including a charging station or a home address, i.e., if the navigation end point is the charging station or the home address, or the charging station or the home address is included in the process from the navigation start point to the navigation end point, or the vehicle is charged with a greater probability when the user passes a certain point according to the historical behavior data of the user, the location for charging the vehicle is determined to be included in the navigation information. When the user has selected the driving mode, the minimum energy threshold is determined according to the minimum energy threshold corresponding to the driving mode.

According to the technical scheme provided by the embodiment of the application, the starting condition of the range extender can be determined as far as possible when the vehicle runs to the place for charging the vehicle, so that the pure electric driving mileage is increased, the fuel consumption is reduced, the economical efficiency of the vehicle is improved, and the environment is protected.

In some embodiments, after determining whether the corresponding remaining energy of the navigation endpoint on the remaining energy curve is less than the minimum energy threshold, further comprising:

acquiring starting energy of the range extender;

the sum of the activation energy and the lowest energy threshold is determined as the activation energy threshold.

The method comprises the steps of obtaining starting energy of the range extender, wherein the starting energy is stored in a configuration file of a vehicle in advance, the starting energy is energy required for starting the range extender, obtaining the starting energy, and calculating the sum of the starting energy and a lowest energy threshold value to be used as a starting energy threshold value. For example, the start-up energy is 3% of the total energy of the vehicle, the lowest energy threshold is 5% of the total energy of the vehicle, and the start-up energy threshold is 8%.

In the energy control method provided by the application, if the corresponding residual energy of the navigation terminal point on the residual energy curve is smaller than the minimum energy threshold, the corresponding starting energy threshold is determined so as to reserve the corresponding starting energy for starting the range extender when the range extender is required to be started by the vehicle, and meanwhile, the driving safety problem possibly caused by excessive instantaneous energy consumption when the range extender is started is avoided, and the safety of the driving vehicle is improved.

In some embodiments, further comprising:

when the navigation information comprises a place for charging the vehicle and the corresponding residual energy of the navigation terminal point on the residual energy curve is smaller than the minimum energy threshold value, sending prompt information, wherein the prompt information is used for prompting the charging of the vehicle;

if the vehicle is detected to be charged, correcting a residual energy curve based on the charged residual total energy, navigation information and historical driving habit information, wherein the historical driving habit information comprises historical average energy consumption and historical average vehicle speed.

In an exemplary embodiment of the present application, when the navigation information includes a location for charging the vehicle and the remaining energy corresponding to the navigation end point is less than the minimum energy threshold, a prompt message is sent to prompt the user to charge the vehicle and to start the range extender of the vehicle at the start position.

And detecting the residual total energy of the vehicle in real time, and if the vehicle is detected to be charged or a charging action is being executed, correcting a residual energy curve according to the charged residual energy, navigation information and current historical driving habit, wherein the current historical driving habit information is historical driving habit information taking the navigation starting point as the starting time and comprises historical average energy consumption, historical average vehicle speed and historical consumed energy.

And if the vehicle reaches the opening position, the user charges the vehicle, and then judges whether the corresponding residual energy of the navigation terminal point on the updated residual energy curve is smaller than the minimum energy threshold value or not again, and if so, the opening position is updated. If the vehicle reaches the opening position and the vehicle is not charged, the range extender is opened at the opening position, and after the charging is detected, the remaining energy curve and the opening position are updated according to the remaining total energy after the charging.

According to the technical scheme provided by the embodiment of the application, the starting condition of the range extender can be determined when the vehicle runs to the place where the vehicle can be charged, so that the pure electric driving mileage is increased, the fuel consumption is reduced, the economical efficiency of the vehicle is improved, and the environment is protected.

In some embodiments, predicting the remaining energy profile of the vehicle based on the navigation information, the remaining total energy, and the historical driving habit information includes:

and predicting a residual energy curve of the vehicle based on each road segment category appearing in the navigation information and the historical consumed energy corresponding to each road segment category in the historical driving habit information by taking the residual total energy as a starting point.

The travel path from the navigation start point to the navigation end point of the vehicle is composed of a plurality of road sections, the plurality of road sections are distinguished according to the travel path and the road section category, and the road section category is a classification result for classifying the plurality of road sections. The road segment categories may be, for example, cement road segments, asphalt road segments, uphill road segments, downhill road segments, highway segments, and the like.

And obtaining the road characteristics of the driving path according to the navigation information, dividing the driving path into a plurality of road sections according to the preset road characteristics and the comparison result between the combination rule and the road characteristics of the driving path, wherein each road section corresponds to a road section category, and determining the ratio of the distance corresponding to each road section category in the total distance.

The road segment categories may be, for example, cement road segments, asphalt road segments, uphill road segments, downhill road segments, highway segments, and the like.

And predicting a residual energy curve of the vehicle by taking the residual total energy corresponding to the navigation starting point as the starting point according to all road section categories, the ratio of the distance corresponding to each road section category in the total distance in the navigation information and the historical consumption energy of the vehicle corresponding to each road section category in the historical driving habit information of the vehicle. The historical driving habit information is average energy consumption and average vehicle speed corresponding to all driving records of the vehicle.

In an exemplary embodiment of the present disclosure, taking a total distance of the navigation information as 100KM (kilometer), a travel path includes an uphill road section, a downhill road section, and an asphalt section, a distance corresponding to the uphill road section is 20KM, a distance corresponding to the downhill road section is 30KM, and a distance corresponding to the asphalt section is 50KM as an example, an exemplary description is made:

the method comprises the steps of determining the energy required by the vehicle to travel on a climbing mountain road section every kilometer and multiplying the distance (20 KM) of the climbing mountain road section as the historical consumed energy of the vehicle on the climbing mountain road section, determining the energy required by the vehicle to travel on a downhill mountain road section every kilometer and multiplying the distance (30 KM) of the downhill mountain road section as the historical consumed energy of the vehicle on the downhill mountain road section, and determining the energy required by the vehicle to travel on an asphalt section every kilometer and multiplying the distance (50 KM) of the asphalt section as the historical consumed energy of the vehicle to travel on the asphalt section.

The energy required by the vehicle to run on each unit road section is determined according to the statistical result of big data, and the energy is consumed in a history corresponding to the condition that the range extender is not started. And predicting a residual energy curve of the vehicle according to the historical consumption energy of each road segment category corresponding to the navigation information and the historical driving habit information.

In the energy control method provided by the application, a driving path included in navigation information is divided into a plurality of road sections according to road section categories, and a residual energy curve is predicted according to a big data result of historical consumed energy corresponding to each road section category in historical driving habit information. The history consumed energy determined according to the big data result can have more accurate control over the total energy to be consumed by the vehicle, and the combination of the history driving habit information can enable the residual energy curve to more accord with the driving habit of the current user, so that the driving experience of the user is improved, and the personalized requirements of the user are met.

In some embodiments, further comprising:

acquiring real-time consumed energy when the vehicle runs according to navigation information;

and correcting the residual energy curve based on the real-time consumed energy and the road section category corresponding to the real-time consumed energy.

The navigation information can acquire the position of the vehicle in real time, the current road section of the vehicle is determined according to the navigation information, namely, a driving path of the vehicle from the starting point of a certain road section to the corresponding end point of the road section is used as the driven road section, the consumed energy corresponding to the driven road section is acquired, and the residual energy curve is corrected according to the consumed energy.

In an exemplary embodiment of the present disclosure, taking a travel path including an ascending mountain road section, a descending mountain road section, and an asphalt road section, a path corresponding to the ascending mountain road section is 20KM, a path corresponding to the descending mountain road section is 30KM, and a path corresponding to the asphalt road section is 50KM, a road section appearance sequence is a road section (1) asphalt road 20KM, a road section (2) ascending mountain road 10KM, a road section (3) asphalt road 5KM, a road section (4) ascending mountain road 5KM, a road section (5) descending mountain road 10KM, a road section (6) asphalt road 15KM, a road section (7) ascending mountain road 5KM, a road section (8) descending mountain road 20KM, and a road section (9) asphalt road 15KM as an example, exemplary description is made:

a remaining energy curve is determined, and the vehicle is currently driving on the road section (1). When the vehicle runs in the order of the road section (1), the road section (2) … … and the road section (9) and has run 20KM, that is, has run on the road section (1) and starts to run on the road section (2), the consumed energy of the vehicle running on the road section (1) is acquired and recorded. And determining the consumed energy of the vehicle running on the asphalt road per unit according to the consumed energy of the vehicle running on the road section (1) and the distance of the road section (1), and correcting the part of the road section which is not driven by the vehicle according to the consumed energy, namely correcting the consumed energy corresponding to the road section (3), the road section (6) and the road section (9) so as to correct the residual energy curve.

Similarly, when the road section (2) is used as a driven road section, the remaining energy curve is corrected according to the correction mode, and the consumed energy of the vehicle driving on the road section (2) is recorded.

And when the vehicle runs through a single road section corresponding to one road section category, correcting the residual energy curve once.

According to the energy control method provided by the application, after each road section is driven according to the appearance sequence of the road section category, the residual energy curve is corrected once, so that the residual energy curve can be corrected in real time according to the data acquired in the navigation process, the instantaneity and the accuracy of the residual energy curve are improved, and the control of the residual energy of the vehicle is more accurate.

In some embodiments, after the range extender is turned on, the method further comprises:

if the current residual energy is larger than the first energy threshold, closing the range extender;

and if the current residual energy is smaller than the second energy threshold value, increasing the power generation power of the range extender.

Wherein the first energy threshold is greater than the lowest energy threshold and the second energy threshold is less than the lowest energy threshold.

After the range extender is started, the remaining battery power is kept in a range from a first energy threshold to a second energy threshold, wherein the first energy threshold is larger than the lowest energy threshold, and the second energy threshold is smaller than the lowest energy threshold.

In an exemplary embodiment of the disclosure, taking a situation where a vehicle is charged is included in navigation information, a driving mode is not selected by a user, a lowest energy threshold is 5% of all battery power, a first energy threshold is 3% of all battery power, and a second energy threshold is 7% of all battery power as an example, it is known that the first energy threshold and the second energy threshold float up and down by 2% based on the lowest energy threshold, if a navigation end point corresponds to less than 5% of remaining energy on a remaining energy curve, prompt information is sent to prompt the user to charge, and the remaining energy curve is corrected in real time during driving, if the remaining energy of the navigation end point in the driving path is still less than 5%, a coordinate point of the vehicle corresponding to the corrected remaining energy curve in the driving path when the energy threshold is started is determined according to the corrected remaining energy curve and the starting energy threshold, and the coordinate point is used as a starting position, and the range extender is started at the starting position.

After the range extender is started, the corresponding residual energy of the navigation end point on the residual energy curve is kept to float between 3% and 7%, the range extender is controlled to generate power according to the corrected residual energy curve and the power for actually driving the vehicle to run, when the corresponding residual energy of the navigation end point on the residual energy curve is more than 7%, the range extender is closed, and when the corresponding residual energy of the navigation end point on the residual energy curve is less than 3%, the power generation of the range extender is increased.

In another exemplary embodiment of the present disclosure, in the case that the location for charging the vehicle is not included in the navigation information, or the location for charging the vehicle is included in the navigation information and the driving mode is selected by the user, the lowest energy threshold corresponding to the driving mode selected by the user is 8% of the total battery power, the first energy threshold is 6% of the total battery power, and the second energy threshold is 10% of the total battery power, it is known that the first energy threshold and the second energy threshold float 2% up and down based on the lowest energy threshold. If the corresponding residual energy of the navigation terminal point on the residual energy curve is less than 8%, judging that the corresponding energy of the navigation terminal point on the residual energy curve is less than the minimum energy threshold, determining the starting position, and correcting the residual energy curve in real time in the driving process. If the corresponding residual energy of the navigation end point on the residual energy curve in the driving process is still less than 8%, determining that the corrected residual energy curve is at the opening energy threshold according to the corrected residual energy curve and the opening energy threshold, determining a coordinate point of the vehicle in the driving path corresponding to the corrected residual energy curve when the corrected residual energy curve is at the opening energy threshold, taking the coordinate point as an opening position, and opening the range extender at the opening position.

After the range extender is started, the corresponding residual energy of the navigation end point on the residual energy curve is kept to float between 6% and 10%, the range extender is controlled to generate power according to the corrected residual energy curve and the power for actually driving the vehicle to run, when the corresponding residual energy of the navigation end point on the residual energy curve is more than 10%, the range extender is closed, and when the corresponding residual energy of the navigation end point on the residual energy curve is less than 6%, the power generation of the range extender is increased.

According to the technical scheme provided by the embodiment of the application, the starting condition of the range extender can be determined in the driving process according to the driving mode selected by the user so as to increase the pure electric driving mileage, thereby reducing the fuel consumption, improving the economical efficiency of vehicle use and protecting the environment.

In an exemplary embodiment of the present disclosure, if the navigation information set by the user is not obtained, it is determined that the navigation information is not set by the user, and the remaining energy is obtained in real time. When the remaining energy is larger than a preset threshold, the vehicle dynamic property is judged to be strong, the risk is high when the vehicle dynamic property is reduced, more power is reserved, and the reserved power is used for starting the range extender. When the remaining energy is not greater than a preset threshold, the vehicle dynamic property is judged to be weak, the risk is lower when the vehicle dynamic property is reduced, less power is reserved, and the reserved power is used for starting the range extender. The purpose of taking the dynamic property and the safety into consideration can be achieved.

Fig. 2 is a schematic flow chart of another energy control method according to an embodiment of the present application. The above embodiment can be applied to a flow diagram as shown in fig. 2.

Any combination of the above optional solutions may be adopted to form an optional embodiment of the present application, which is not described herein.

The following are examples of the apparatus of the present application that may be used to perform the method embodiments of the present application. For details not disclosed in the embodiments of the apparatus of the present application, please refer to the embodiments of the method of the present application.

Fig. 3 is a schematic diagram of an energy control provided by an embodiment of the present application. As shown in fig. 3, the energy device includes: the device comprises an acquisition module 301, a prediction module 302, a determination module 303 and an opening module 304.

An acquisition module 301 configured to acquire navigation information of a vehicle, remaining total energy of the vehicle at a navigation start point, and historical driving habit information;

a prediction module 302 configured to predict a remaining energy profile of the vehicle based on the navigation information, the remaining total energy, and the historical driving habit information;

a determining module 303, configured to determine a coordinate point of the vehicle in the driving path corresponding to the remaining energy curve when the energy threshold is turned on, and take the coordinate point as the turned-on position;

an opening module 304 configured to open a range extender of the vehicle when the vehicle is traveling to an open position.

In some embodiments, the navigation information includes a navigation start point, a navigation end point, and the correction module 303 is configured to predict a predicted total energy consumption of the vehicle based on the navigation information for:

acquiring historical driving habit information;

the predicted total energy consumption of the vehicle is predicted based on all road segment categories, the predicted energy consumption of the vehicle traveling in each road segment category, and the historical driving habit information.

In some embodiments, the determining module 303 is configured to determine a coordinate point of the remaining energy curve in the travel path of the vehicle at the time of opening the energy threshold, and before taking the coordinate point as the opening position, further to:

if so, executing the step of determining a coordinate point corresponding to the vehicle when the residual energy curve is at the opening energy threshold value, and taking the coordinate point as the opening position.

In some embodiments, the determining module 303 is configured to determine whether the navigation endpoint is further configured to, prior to the corresponding remaining energy on the remaining energy curve being less than the minimum energy threshold:

In some embodiments, the determining module 303 is configured to determine if the navigation endpoint is further configured to, after the corresponding remaining energy on the remaining energy curve is less than the minimum energy threshold:

acquiring starting energy of the range extender;

In some embodiments, the determining module 303 is further to:

if the vehicle is detected to be charged, correcting a residual energy curve based on the charged residual total energy, navigation information and current historical driving habit information, wherein the historical driving habit information comprises historical average energy consumption, historical average vehicle speed and historical consumed energy.

In some embodiments, the prediction module 302 is configured to predict a remaining energy profile of the vehicle based on the navigation information, the remaining total energy, and the historical driving habit information for:

In some embodiments, the prediction module 302 is further to:

In some embodiments, the opening module 304 is configured to, after opening the range extender, further:

if the current remaining energy is smaller than the second energy threshold, increasing the power generation power of the range extender;

the first energy threshold is greater than the lowest energy threshold and the second energy threshold is less than the lowest energy threshold.

It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic, and should not limit the implementation process of the embodiment of the present application.

Fig. 4 is a schematic diagram of an electronic device 4 according to an embodiment of the present application. As shown in fig. 4, the electronic apparatus 4 of this embodiment includes: a processor 401, a memory 402 and a computer program 403 stored in the memory 402 and executable on the processor 401. The steps of the various method embodiments described above are implemented by processor 401 when executing computer program 403. Alternatively, the processor 401, when executing the computer program 403, performs the functions of the modules/units in the above-described apparatus embodiments.

The electronic device 4 may be a desktop computer, a notebook computer, a palm computer, a cloud server, or the like. The electronic device 4 may include, but is not limited to, a processor 401 and a memory 402. It will be appreciated by those skilled in the art that fig. 4 is merely an example of the electronic device 4 and is not limiting of the electronic device 4 and may include more or fewer components than shown, or different components.

The processor 401 may be a central processing unit (Central Processing Unit, CPU) or other general purpose processor, digital signal processor (Digital Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated Circuit, ASIC), field programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like.

The memory 402 may be an internal storage unit of the electronic device 4, for example, a hard disk or a memory of the electronic device 4. The memory 402 may also be an external storage device of the electronic device 4, for example, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash Card (Flash Card) or the like, which are provided on the electronic device 4. Memory 402 may also include both internal storage units and external storage devices of electronic device 4. The memory 402 is used to store computer programs and other programs and data required by the electronic device.

It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiment may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit, where the integrated units may be implemented in a form of hardware or a form of a software functional unit.

The integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the present application may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, and the computer program may be stored in a computer readable storage medium, where the computer program, when executed by a processor, may implement the steps of each of the method embodiments described above. The computer program may comprise computer program code, which may be in source code form, object code form, executable file or in some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the content of the computer readable medium can be appropriately increased or decreased according to the requirements of the jurisdiction's jurisdiction and the patent practice, for example, in some jurisdictions, the computer readable medium does not include electrical carrier signals and telecommunication signals according to the jurisdiction and the patent practice.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims

1. An energy control method, comprising:

acquiring navigation information of a vehicle, the residual total energy of the vehicle and historical driving habit information of the vehicle at a navigation starting point, wherein the navigation information comprises the navigation starting point, a navigation ending point and a driving path;

predicting a remaining energy curve of the vehicle based on the navigation information, the remaining total energy and the historical driving habit information, the remaining energy curve being used to characterize a correspondence between a position of the vehicle in the travel path and the remaining energy of the vehicle;

determining a coordinate point of the vehicle in the driving path corresponding to the residual energy curve when the energy threshold is opened, and taking the coordinate point as an opening position;

and when the vehicle runs to the opening position, opening a range extender of the vehicle.

2. The method of claim 1, wherein determining a coordinate point of the vehicle in the travel path at which the remaining energy curve turns on an energy threshold, before taking the coordinate point as an on position, further comprises:

if yes, a step of determining a coordinate point corresponding to the vehicle when the residual energy curve is at the opening energy threshold value and taking the coordinate point as an opening position is executed.

3. The method of claim 2, wherein determining whether the navigation endpoint is before the corresponding remaining energy on the remaining energy curve is less than a minimum energy threshold further comprises:

the minimum energy threshold is determined based on the current user selected driving mode.

4. The method of claim 2, wherein determining whether the corresponding remaining energy of the navigation endpoint on the remaining energy curve is less than a minimum energy threshold further comprises:

acquiring starting energy of the range extender;

and determining the sum of the starting energy and the lowest energy threshold as the starting energy threshold.

5. The method as recited in claim 2, further comprising:

when the navigation information comprises a place for charging the vehicle and the corresponding residual energy of the navigation terminal point on the residual energy curve is smaller than a minimum energy threshold, sending prompt information, wherein the prompt information is used for prompting the vehicle to be charged;

and if the vehicle is detected to be charged, correcting the residual energy curve based on the charged residual total energy, the navigation information and the current historical driving habit information, wherein the historical driving habit information comprises historical average energy consumption, historical average vehicle speed and historical consumed energy.

6. The method of claim 1, wherein predicting a remaining energy profile of the vehicle based on the navigation information, the remaining total energy, and the historical driving habit information comprises:

and predicting a residual energy curve of the vehicle based on each road section category appearing in the navigation information and the historical consumed energy corresponding to each road section category in the historical driving habit information by taking the residual total energy as a starting point.

7. The method as recited in claim 6, further comprising:

acquiring real-time consumed energy when the vehicle runs according to the navigation information;

8. The method of any one of claims 1 to 7, further comprising, after starting the range extender:

if the current residual energy is larger than a first energy threshold, closing the range extender;

if the current residual energy is smaller than a second energy threshold value, increasing the power generation power of the range extender;

9. An energy control device, comprising:

the system comprises an acquisition module, a navigation module and a control module, wherein the acquisition module is configured to acquire navigation information of a vehicle, residual total energy of the vehicle when the vehicle is at a navigation starting point and historical driving habit information, and the navigation information comprises the navigation starting point and the navigation ending point;

the determining module is configured to determine a coordinate point corresponding to the vehicle when the residual energy curve falls to an opening energy threshold value, and take the coordinate point as an opening position;

10. A vehicle comprising electronic equipment for performing the steps of the method of any one of claims 1-8.