CN116533829A - Energy management method, system, computer device, storage medium, and vehicle - Google Patents
Energy management method, system, computer device, storage medium, and vehicle Download PDFInfo
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- 238000007726 management method Methods 0.000 title claims abstract description 208
- 230000004044 response Effects 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000005265 energy consumption Methods 0.000 claims description 47
- 238000004364 calculation method Methods 0.000 claims description 25
- 238000004590 computer program Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 3
- 208000019901 Anxiety disease Diseases 0.000 abstract description 4
- 230000036506 anxiety Effects 0.000 abstract description 4
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3697—Output of additional, non-guidance related information, e.g. low fuel level
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/50—Control modes by future state prediction
- B60L2260/54—Energy consumption estimation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The application relates to an energy management method, system, computer device, storage medium and vehicle, the method comprising acquiring first data information in response to detecting that navigation has been initiated and that a target vehicle has a vehicle speed; determining the power to be saved based on the first data information; and determining an energy management strategy according to the electric power to be saved, and adjusting the use power of the target vehicle to control the target vehicle to reach a destination based on the residual battery power. According to the method and the device, when the residual electric quantity is insufficient to reach the navigation destination, the user can be guaranteed to reach the destination to the greatest extent by adjusting the using power of the target vehicle, the user can predict whether the user can reach the destination in the first time after using navigation, anxiety that the user cannot reach the destination due to the unpredictable electric quantity is effectively eliminated, and the user experience of using the vehicle is improved.
Description
Technical Field
The present disclosure relates to the field of vehicle control technologies, and in particular, to an energy management method, system, computer device, storage medium, and vehicle.
Background
For energy management when the residual electric quantity is low, the main current method in the industry is to limit the power output of a power system so as to achieve the purpose of reducing the energy consumption and increasing the driving range.
Therefore, it is highly desirable to provide an energy management method for insufficient remaining power based on navigation information, so as to effectively eliminate unpredictable anxiety that the destination cannot be reached due to insufficient power.
Disclosure of Invention
Based on this, it is necessary to provide an energy management method, system, computer device, storage medium, and vehicle in view of the above technical problems.
In a first aspect, there is provided an energy management method, the method comprising:
in response to detecting that navigation has been initiated and that the target vehicle has a vehicle speed, obtaining first data information including battery available energy and estimated energy consumption to reach the destination;
determining, based on the first data information, a power usage to be saved in response to detecting that the battery available energy is less than or equal to the estimated energy consumption to reach the destination;
and determining an energy management strategy according to the electric power to be saved, and adjusting the using power of the target vehicle so as to control the target vehicle to reach a destination based on the residual battery power.
In one embodiment, the method further comprises: the first data information further includes a remaining mileage to a destination and a current vehicle speed, and the determining, based on the first data information, power consumption to be saved includes:
according to the obtained first data information, determining the electric power to be saved by using a demand-saving electric power calculation formula, wherein the demand-saving electric power calculation formula comprises:
wherein A represents the requirement of saving electricity power and N 1 Indicating the estimated energy consumption to reach the destination, N 2 Representing battery available energy, v representing current vehicle speed, p representing margin factor, and S representing remaining mileage to destination.
In one embodiment, the method further comprises: the energy management strategy includes adjusting the power usage of the target vehicle based on the passenger compartment thermal management licensed power and/or the battery pack thermal management licensed power.
In one embodiment, the method further comprises: the determining an energy management strategy according to the electric power to be saved comprises:
in response to detecting that the battery pack thermal management mode is a heating mode, calculating a first power value, wherein a calculation formula of the first power value is as follows: d=b+c-se:Sub>A, where B represents the passenger compartment thermal management power consumption, C represents the battery pack thermal management power consumption, and D represents the first power value;
and in response to detecting that the first power value is greater than or equal to the minimum usable power of the vehicle-mounted air conditioner, adopting a first energy management strategy.
In one embodiment, the method further comprises: the first energy management strategy includes:
adjusting the using power of the target vehicle based on the calculated first passenger cabin thermal management allowable power and the first battery pack thermal management allowable power to control the target vehicle to reach the destination based on the residual battery power, wherein the calculation formula of the first passenger cabin thermal management allowable power is as follows:
wherein X is 1 Representing a first passenger cabin thermal management allowable power, Q representing a correction coefficient;
the calculation formula of the first battery pack thermal management allowable power is as follows:
X 2 ＝B+C-A-X 1
wherein X is 2 Indicating that the first battery pack thermally manages the licensed power.
In one embodiment, the method further comprises: the determining the energy management strategy according to the electric power to be saved further includes:
and in response to detecting that the battery pack thermal management mode is a non-heating mode, calculating a second power value, wherein a calculation formula of the second power value is as follows: e=b-ase:Sub>A, where B represents the passenger compartment thermal management power consumption and E represents the second power value;
and in response to detecting that the second power value is greater than or equal to the minimum usable power of the vehicle-mounted air conditioner, adopting a second energy management strategy.
In one embodiment, the method further comprises: the second energy management strategy includes:
adjusting the using power of the target vehicle based on the calculated second passenger cabin thermal management allowable power and the second battery pack thermal management allowable power to control the target vehicle to reach the destination based on the remaining battery power, wherein a calculation formula of the second passenger cabin thermal management allowable power is as follows:
X 3 ＝B-A
wherein X is 3 Representing a second passenger compartment thermal management allowable power;
and the value of the second battery pack thermal management allowable power is the initial battery pack thermal management power.
In one embodiment, the method further comprises: in response to detecting that the first power value is less than the vehicle air conditioner minimum usable power, or the second power value is less than the vehicle air conditioner minimum usable power, the method further comprises:
defining the value of the first passenger cabin thermal management allowable power as initial passenger cabin thermal management power, the value of the first battery pack thermal management allowable power as initial battery pack thermal management power, or the value of the second passenger cabin thermal management allowable power as initial passenger cabin thermal management power, the value of the second battery pack thermal management allowable power as initial battery pack thermal management power, and sending out relevant reminding information that the residual electric quantity is insufficient and cannot reach a destination.
In a second aspect, there is provided an energy management system, the system comprising: entertainment information domain controller, battery management system, whole car domain controller, electronic stability controller and air conditioner controller:
the entertainment information domain controller is used for acquiring the estimated consumed energy reaching a destination, the residual mileage reaching the destination, the residual endurance mileage and the navigation state, and uploading the estimated consumed energy to the whole vehicle domain controller;
the electronic stability controller and the battery management system are respectively used for acquiring the current vehicle speed and the available energy of the battery and uploading the current vehicle speed and the available energy of the battery to the whole vehicle domain controller;
the whole-vehicle-domain controller is used for determining electric power to be saved based on the uploaded data when the available energy of the battery is detected to be smaller than or equal to the estimated consumed energy reaching the destination, and determining an energy management strategy according to the electric power to be saved, wherein the energy management strategy comprises a first energy management strategy and a second energy management strategy;
the air conditioner controller is used for adjusting the using power of the target vehicle based on the energy management strategy so as to control the target vehicle to reach a destination based on the residual battery power.
In one embodiment, the method further comprises: the air conditioner controller is also used for acquiring the passenger cabin thermal management consumption power and/or the battery pack thermal management consumption power and uploading the power to the whole vehicle domain controller.
In one embodiment, the method further comprises: the entertainment information domain controller is also used for receiving and prompting relevant reminding information that the residual electric quantity sent by the whole vehicle controller is insufficient and cannot reach a destination.
In a third aspect, there is provided a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of:
in response to detecting that navigation has been initiated and that the target vehicle has a vehicle speed, obtaining first data information including battery available energy and estimated energy consumption to reach the destination;
determining, based on the first data information, a power usage to be saved in response to detecting that the battery available energy is less than or equal to the estimated energy consumption to reach the destination;
and determining an energy management strategy according to the electric power to be saved, and adjusting the using power of the target vehicle so as to control the target vehicle to reach a destination based on the residual battery power.
In a fourth aspect, there is provided a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
in response to detecting that navigation has been initiated and that the target vehicle has a vehicle speed, obtaining first data information including battery available energy and estimated energy consumption to reach the destination;
determining, based on the first data information, a power usage to be saved in response to detecting that the battery available energy is less than or equal to the estimated energy consumption to reach the destination;
and determining an energy management strategy according to the electric power to be saved, and adjusting the using power of the target vehicle so as to control the target vehicle to reach a destination based on the residual battery power.
In a fifth aspect, a vehicle is provided, including an energy management system provided by an embodiment of the second aspect, the system including: entertainment information domain controller, battery management system, whole car domain controller, electronic stability controller and air conditioner controller:
the entertainment information domain controller is used for acquiring the estimated consumed energy reaching a destination, the residual mileage reaching the destination, the residual endurance mileage and the navigation state, and uploading the estimated consumed energy to the whole vehicle domain controller;
the electronic stability controller and the battery management system are respectively used for acquiring the current vehicle speed and the available energy of the battery and uploading the current vehicle speed and the available energy of the battery to the whole vehicle domain controller;
the whole-vehicle-domain controller is used for determining electric power to be saved based on the uploaded data when the available energy of the battery is detected to be smaller than or equal to the estimated consumed energy reaching the destination, and determining an energy management strategy according to the electric power to be saved, wherein the energy management strategy comprises a first energy management strategy and a second energy management strategy;
the air conditioner controller is used for adjusting the using power of the target vehicle based on the energy management strategy so as to control the target vehicle to reach a destination based on the residual battery power.
The above energy management method, system, computer device, storage medium, and vehicle, the method comprising: in response to detecting that navigation has been initiated and that the target vehicle has a vehicle speed, obtaining first data information including battery available energy and estimated energy consumption to reach the destination; determining, based on the first data information, a power usage to be saved in response to detecting that the battery available energy is less than or equal to the estimated energy consumption to reach the destination; according to the electric power to be saved, an energy management strategy is determined, the use power of the target vehicle is adjusted so as to control the target vehicle to reach the destination based on the residual battery power.
Drawings
FIG. 1 is a flow diagram of a method of energy management in one embodiment;
FIG. 2 is another flow diagram of a method of energy management in one embodiment;
FIG. 3 is a flow diagram of the steps of a method for calculating estimated energy consumption to reach a destination in one embodiment;
FIG. 4 is a block diagram of the architecture of an energy management system in one embodiment;
fig. 5 is an internal structural diagram of a computer device in one embodiment.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It should be understood that throughout this description, unless the context clearly requires otherwise, the words "comprise," "comprising," and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".
It should also be appreciated that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that the terms "S1", "S2", and the like are used for the purpose of describing steps only, and are not intended to be limited to the order or sequence of steps or to limit the present application, but are merely used for convenience in describing the method of the present application and are not to be construed as indicating the sequence of steps. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.
According to the background technology, aiming at the energy management when the residual electric quantity is low, the power output of the power system is limited, so that the purpose of reducing the energy consumption and increasing the driving range is achieved.
In order to solve the technical problems, the application provides an energy management method, an energy management system, a computer device, a storage medium and a vehicle based on navigation information when the residual electric quantity is insufficient, and by adjusting the use power of a target vehicle, the user can be guaranteed to reach a destination to the greatest extent, and the user can predict whether the user can reach the destination in the first time after navigation, so that the anxiety that the user cannot reach the destination due to the unpredictable electric quantity is effectively eliminated.
Example 1: in one embodiment, as shown in fig. 1-3, an energy management method is provided, comprising the steps of:
s1: in response to detecting that navigation has been initiated and that the target vehicle has a vehicle speed, first data information is obtained that includes battery available energy, estimated energy consumption to reach the destination, remaining mileage to reach the destination, and current vehicle speed.
It should be noted that, when the navigation is started, the user opens the navigation software, typically, vehicle navigation, and uses the navigation software to navigate to the destination, and when the target vehicle has a speed, the target vehicle is started and starts to run.
Specifically, when the user navigates to the destination using the navigation software and the target vehicle has started to travel, the whole vehicle domain controller is utilized to receive the estimated energy consumption to reach the destination, the remaining mileage to reach the destination, the available battery energy sent by the battery management system, and the current vehicle speed sent by the electronic stability controller, wherein the current vehicle speed refers to the average vehicle speed within 30s before the target time point.
Further, the vehicle energy consumption is divided into driving energy consumption and accessory energy consumption, wherein the accessory energy consumption is mainly the energy consumption of an air conditioner, and the air conditioner power is divided into two parts: the passenger cabin thermal management power and the battery pack thermal management power, as shown in fig. 3, reach the destination and predict the consumed energy calculation method specifically includes:
(1) And calculating the running energy consumption of the vehicle.
The running resistance of the automobile is calculated, and the calculation formula is as follows:
wherein F represents the running resistance of the automobile, m represents the servicing quality of the automobile, g represents the gravitational acceleration, F represents the rolling resistance coefficient, θ represents the angle of the ramp, C D The air resistance coefficient is represented by A, the windward area of the vehicle is represented by A, the acceleration of the vehicle is represented by a, and the rotational inertia of the transmission system is represented by delta;
summarizing the working condition input (vehicle speed, altitude information) affecting the energy consumption of the vehicle into several energy factors, taking the energy consumption in a certain time as a data point, and recording the time length as deltat, wherein the energy consumption of the vehicle in the step delta t is as follows:
wherein Δh represents the altitude change in the step size Δt, and v represents the vehicle speed;
the above formula is written in the form of an energy factor, namely:
E Δt ＝k 1 *In L +k2*In ACC +k 3 *In DEC +k 4 *In AR +k 5 *In H
wherein the method comprises the steps of，k 1 、k 2 、k 3 、k 4 、k 5 All represent the vehicle energy consumption parameters to be predicted, in L 、In ACC 、In DEC 、In AR 、In H All represent the energy consumption factors corresponding to the running conditions in the step length delta t, and the calculation method is as follows:
In L = ≡vdt, representing the distance travelled within a step Δt;
In ACC = ≡max { a,0} vdt, representing acceleration influencing factors;
In DEC = ≡min { a,0} vdt, representing a deceleration influence factor;
In AR ＝∫v 3 dt, which represents an air resistance influence factor;
In H =Δh, representing the altitude change in step Δt;
the energy prediction equation is:
y k ＝T mot *n
θ k ＝[k 1 、k 2 、k 3 、k 4 、k 5 ] T
m k ＝[In L 、In ACC 、In DEC 、In AR 、In H ] T
wherein y is k Representing the output power of the driving motor, T mot Represents the output torque of the driving motor, n represents the rotating speed of the driving motor, and theta k Representing a matrix of vehicle energy consumption parameters to be predicted, m k Representing an energy factor matrix.
(2) Vehicle accessory energy consumption prediction.
The main energy consumption elements of the automobile comprise air conditioner (comprising passenger cabin thermal management and battery pack thermal management) and low-voltage components, wherein the air conditioner energy consumption occupies the vast majority, so that the accessory energy consumption mainly considers the air conditioner energy consumption, namely, the sum e of passenger cabin thermal management consumption power and battery pack thermal management consumption power is taken as the predicted accessory energy consumption.
In summary, the predicted energy consumption of the vehicle in the step delta t is the sum of the driving energy consumption and the accessory energy consumption.
(3) And predicting the running condition of the vehicle.
The vehicle running condition mainly comprises a vehicle speed curve and an altitude change, the vehicle speed curve and the altitude change are estimated by utilizing the information such as a running route, road traffic conditions and the like provided by map navigation and combining a vehicle dynamics model, and the predicted running condition and the predicted vehicle energy consumption parameter are combined to obtain the predicted energy consumption of the vehicle reaching the destination.
S2: determining, based on the first data information, a power usage to be saved in response to detecting that the battery available energy is less than or equal to the estimated energy consumption to reach the destination;
the method for determining whether the target vehicle can reach the destination by comparing the available energy of the battery with the estimated consumed energy of the destination may also be:
determining the current remaining range of the target vehicle based on the available battery energy, wherein the corresponding remaining range can be calculated according to the available battery energy corresponding to the target time point through the function of the target vehicle;
and in response to detecting that the current remaining range of the target vehicle is smaller than or equal to the destination remaining range, namely, the battery available energy minus the estimated consumed energy reaching the destination is smaller than or equal to 0, determining the electric power to be saved based on the first data information, and if the current remaining range of the target vehicle is larger than the destination remaining range, managing the target vehicle energy without adopting a subsequent step.
Further, the electric power to be saved refers to the electric power calculated based on the current available battery power, the current available battery power and the estimated consumed energy, which can be used to ensure that the target vehicle is traveling to the destination.
Specifically, according to the obtained first data information, determining the electric power to be saved by using a calculation formula of electric power to be saved, where the calculation formula of electric power to be saved includes:
wherein A represents the requirement of saving electricity power and N 1 Indicating the estimated energy consumption to reach the destination, N 2 Representing battery available energy, v representing current vehicle speed, p representing margin factor, and S representing remaining mileage to destination.
The margin coefficient can be set according to actual requirements, and the preferred value of the application is 1.1.
S3: and determining an energy management strategy according to the electric power to be saved, and adjusting the use power of the target vehicle so as to control the target vehicle to reach a destination based on the residual battery power, wherein the energy management strategy comprises a first energy management strategy and a second energy management strategy.
The energy management strategy includes adjusting the power usage of the target vehicle based on the passenger compartment thermal management licensed power and/or the battery pack thermal management licensed power.
Specifically, the determining the energy management strategy according to the electric power to be saved includes:
in response to detecting that the battery pack thermal management mode is a heating mode, calculating a first power value, wherein a calculation formula of the first power value is as follows: d=b+c-se:Sub>A, where B represents the passenger compartment thermal management power consumption, C represents the battery pack thermal management power consumption, and D represents the first power value;
in response to detecting that the first power value is greater than or equal to the minimum usable power of the vehicle-mounted air conditioner, adopting a first energy management strategy;
and in response to detecting that the battery pack thermal management mode is a non-heating mode, calculating a second power value, wherein a calculation formula of the second power value is as follows: e=b-ase:Sub>A, where B represents the passenger compartment thermal management power consumption and E represents the second power value;
and in response to detecting that the second power value is greater than or equal to the minimum usable power of the vehicle-mounted air conditioner, adopting a second energy management strategy.
The purpose of the above-mentioned battery pack thermal management is to heat or cool the battery pack, and the passenger cabin thermal management refers to turning on an air conditioner to heat or cool the passenger cabin, both of which are controlled by an air conditioner controller, so that the air conditioner power is commonly called as air conditioner power, and the minimum usable power of the vehicle-mounted air conditioner can be set according to actual requirements.
Further, the first energy management strategy includes:
adjusting the using power of the target vehicle based on the calculated first passenger cabin thermal management allowable power and the first battery pack thermal management allowable power to control the target vehicle to reach the destination based on the residual battery power, wherein the calculation formula of the first passenger cabin thermal management allowable power is as follows:
wherein X is 1 Representing a first passenger compartment thermal management allowable power, Q representing a correction coefficient, the correction coefficient being a value set based on a different scenario;
the calculation formula of the first battery pack thermal management allowable power is as follows:
X 2 ＝B+C-A-X 1
wherein X is 2 Indicating that the first battery pack thermally manages the licensed power.
The second energy management strategy includes:
adjusting the using power of the target vehicle based on the calculated second passenger cabin thermal management allowable power and the second battery pack thermal management allowable power to control the target vehicle to reach the destination based on the remaining battery power, wherein a calculation formula of the second passenger cabin thermal management allowable power is as follows:
X 3 ＝B-A
wherein X is 3 Representing a second passenger compartment thermal management allowable power;
the value of the second battery pack thermal management allowable power is the initial battery pack thermal management power, wherein the initial battery pack thermal management power refers to the power limit calculated by adopting other conventional modes.
The upper limit of the target vehicle use power is adjusted according to the calculated available power, the target vehicle use power refers to passenger cabin thermal management power and battery pack thermal management power, and when the available power is 1kw, the vehicle can only use 1kw at most, and specific use power can also be set according to the range of electricity consumption condition below 1 kw.
Further, in response to detecting that the first power value is less than the vehicle air conditioner minimum usable power, or the second power value is less than the vehicle air conditioner minimum usable power, the method further comprises:
defining the value of the first passenger cabin thermal management allowable power as initial passenger cabin thermal management power, the value of the first battery pack thermal management allowable power as initial battery pack thermal management power, or the value of the second passenger cabin thermal management allowable power as initial passenger cabin thermal management power, wherein the value of the second battery pack thermal management allowable power is initial battery pack thermal management power, namely the initial passenger cabin thermal management power limit and the initial battery pack thermal management power limit obtained by adopting other conventional modes, and sending reminding information to an entertainment information domain controller, such as 'insufficient residual electric quantity, cannot reach a destination', or the like, namely the target vehicle still cannot reach the destination by adjusting the passenger cabin thermal management and the battery pack thermal management allowable power through calculation, after the user navigates, the user is prompted that the residual electric quantity is insufficient, the destination cannot be reached, the user can be predicted whether the destination can be reached at the first time after the user uses the navigation, and the anxiety that the user cannot reach the destination due to the unpredictable electric quantity is effectively eliminated.
In the above energy management method, the method includes: in response to detecting that navigation has been initiated and that the target vehicle has a vehicle speed, obtaining first data information including battery available energy, estimated energy consumption to reach the destination, remaining mileage to reach the destination, and current vehicle speed; determining the power to be saved based on the first data information; according to the electric power to be saved, an energy management strategy is determined, the use power of the target vehicle is adjusted so as to control the target vehicle to reach the destination based on the residual battery power, and the energy management strategy comprises a first energy management strategy and a second energy management strategy.
It should be understood that, although the steps in the flowcharts of fig. 1-3 are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in fig. 1-3 may include multiple sub-steps or phases that are not necessarily performed at the same time, but may be performed at different times, nor does the order in which the sub-steps or phases are performed necessarily occur sequentially, but may be performed alternately or alternately with at least a portion of the sub-steps or phases of other steps or other steps.
Example 2: in one embodiment, as shown in FIG. 4, an energy management system is provided that includes an entertainment information domain controller, a battery management system, a whole vehicle domain controller, an electronic stability controller, and an air conditioning controller:
the entertainment information domain controller is used for acquiring the estimated consumed energy reaching a destination, the residual mileage reaching the destination, the residual endurance mileage and the navigation state, and uploading the estimated consumed energy to the whole vehicle domain controller;
the electronic stability controller and the battery management system are respectively used for acquiring the current vehicle speed and the available energy of the battery and uploading the current vehicle speed and the available energy of the battery to the whole vehicle domain controller;
the whole-vehicle-domain controller is used for determining electric power to be saved based on the uploaded data when the available energy of the battery is detected to be smaller than or equal to the estimated consumed energy reaching the destination, and determining an energy management strategy according to the electric power to be saved, wherein the energy management strategy comprises a first energy management strategy and a second energy management strategy;
the air conditioner controller is used for adjusting the using power of the target vehicle based on the energy management strategy so as to control the target vehicle to reach a destination based on the residual battery power.
Further, the air conditioner controller is further configured to obtain the passenger cabin thermal management power consumption and/or the battery pack thermal management power consumption, and upload the power to the whole vehicle domain controller.
Further, the entertainment information domain controller is further configured to receive and prompt related reminding information that the residual electric quantity sent by the whole vehicle controller is insufficient and cannot reach the destination.
Specific limitations regarding the energy management system may be found in the limitations of the energy management methods above, and are not described in detail herein. The various modules in the energy management system described above may be implemented in whole or in part in software, hardware, and combinations thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
Example 3: in one embodiment, a computer device is provided, which may be a terminal, and the internal structure of which may be as shown in fig. 5. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement an energy management method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the shell of the computer equipment, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the structure shown in fig. 5 is merely a block diagram of some of the structures associated with the present application and is not limiting of the computer device to which the present application may be applied, and that a particular computer device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor implementing the steps of when executing the computer program:
s1: in response to detecting that navigation has been initiated and that the target vehicle has a vehicle speed, obtaining first data information comprising battery available energy, estimated energy consumption to reach the destination;
s2: determining, based on the first data information, a power usage to be saved in response to detecting that the battery available energy is less than or equal to the estimated energy consumption to reach the destination;
s3: and determining an energy management strategy according to the electric power to be saved, and adjusting the using power of the target vehicle so as to control the target vehicle to reach a destination based on the residual battery power.
Example 4: in one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:
s1: in response to detecting that navigation has been initiated and that the target vehicle has a vehicle speed, obtaining first data information comprising battery available energy, estimated energy consumption to reach the destination;
s2: determining, based on the first data information, a power usage to be saved in response to detecting that the battery available energy is less than or equal to the estimated energy consumption to reach the destination;
s3: and determining an energy management strategy according to the electric power to be saved, and adjusting the using power of the target vehicle so as to control the target vehicle to reach a destination based on the residual battery power.
Example 5: in one embodiment, a vehicle is provided comprising an energy management system provided in the above embodiments, the system comprising: entertainment information domain controller, battery management system, whole car domain controller, electronic stability controller and air conditioner controller:
the entertainment information domain controller is used for acquiring the estimated consumed energy reaching a destination, the residual mileage reaching the destination, the residual endurance mileage and the navigation state, and uploading the estimated consumed energy to the whole vehicle domain controller;
the electronic stability controller and the battery management system are respectively used for acquiring the current vehicle speed and the available energy of the battery and uploading the current vehicle speed and the available energy of the battery to the whole vehicle domain controller;
the whole-vehicle-domain controller is used for determining electric power to be saved based on the uploaded data when the available energy of the battery is detected to be smaller than or equal to the estimated consumed energy reaching the destination, and determining an energy management strategy according to the electric power to be saved, wherein the energy management strategy comprises a first energy management strategy and a second energy management strategy;
the air conditioner controller is used for adjusting the using power of the target vehicle based on the energy management strategy so as to control the target vehicle to reach a destination based on the residual battery power.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the various embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application.
Claims (14)
1. A method of energy management, the method comprising:
in response to detecting that navigation has been initiated and that the target vehicle has a vehicle speed, obtaining first data information including battery available energy and estimated energy consumption to reach the destination;
determining, based on the first data information, a power usage to be saved in response to detecting that the battery available energy is less than or equal to the estimated energy consumption to reach the destination;
and determining an energy management strategy according to the electric power to be saved, and adjusting the using power of the target vehicle so as to control the target vehicle to reach a destination based on the residual battery power.
2. The energy management method of claim 1, wherein the first data information further includes a remaining mileage to destination and a current vehicle speed, and wherein determining, based on the first data information, power to be saved includes:
according to the obtained first data information, determining the electric power to be saved by using a demand-saving electric power calculation formula, wherein the demand-saving electric power calculation formula comprises:
wherein A represents the requirement of saving electricity power and N 1 Indicating the estimated energy consumption to reach the destination, N 2 Representing battery available energy, v representing current vehicle speed, p representing margin factor, and S representing remaining mileage to destination.
3. The energy management method of claim 2, wherein the energy management strategy includes adjusting the power usage of the target vehicle based on the passenger compartment thermal management licensed power and/or the battery pack thermal management licensed power.
4. The energy management method of claim 3, wherein said determining an energy management strategy based on said power to be saved comprises:
in response to detecting that the battery pack thermal management mode is a heating mode, calculating a first power value, wherein a calculation formula of the first power value is as follows: d=b+c-se:Sub>A, where B represents the passenger compartment thermal management power consumption, C represents the battery pack thermal management power consumption, and D represents the first power value;
and in response to detecting that the first power value is greater than or equal to the minimum usable power of the vehicle-mounted air conditioner, adopting a first energy management strategy.
5. The energy management method of claim 4, wherein the first energy management strategy comprises:
adjusting the using power of the target vehicle based on the calculated first passenger cabin thermal management allowable power and the first battery pack thermal management allowable power to control the target vehicle to reach the destination based on the residual battery power, wherein the calculation formula of the first passenger cabin thermal management allowable power is as follows:
wherein X is 1 Representing a first passenger cabin thermal management allowable power, Q representing a correction coefficient;
the calculation formula of the first battery pack thermal management allowable power is as follows:
X 2 ＝B+C-A-X 1
wherein X is 2 Indicating that the first battery pack thermally manages the licensed power.
6. The energy management method of claim 3, wherein said determining an energy management strategy based on said power to be saved further comprises:
and in response to detecting that the battery pack thermal management mode is a non-heating mode, calculating a second power value, wherein a calculation formula of the second power value is as follows: e=b-ase:Sub>A, where B represents the passenger compartment thermal management power consumption and E represents the second power value;
and in response to detecting that the second power value is greater than or equal to the minimum usable power of the vehicle-mounted air conditioner, adopting a second energy management strategy.
7. The energy management method of claim 6, wherein the second energy management strategy comprises:
adjusting the using power of the target vehicle based on the calculated second passenger cabin thermal management allowable power and the second battery pack thermal management allowable power to control the target vehicle to reach the destination based on the remaining battery power, wherein a calculation formula of the second passenger cabin thermal management allowable power is as follows:
X 3 ＝B-A
wherein X is 3 Representing a second passenger compartment thermal management allowable power;
and the value of the second battery pack thermal management allowable power is the initial battery pack thermal management power.
8. The energy management method of claim 3, wherein in response to detecting that the first power value is less than the vehicle air conditioner minimum usable power or the second power value is less than the vehicle air conditioner minimum usable power, the method further comprises:
defining the value of the first passenger cabin thermal management allowable power as initial passenger cabin thermal management power, the value of the first battery pack thermal management allowable power as initial battery pack thermal management power, or the value of the second passenger cabin thermal management allowable power as initial passenger cabin thermal management power, the value of the second battery pack thermal management allowable power as initial battery pack thermal management power, and sending out relevant reminding information that the residual electric quantity is insufficient and cannot reach a destination.
9. An energy management system, the system comprising an entertainment information domain controller, a battery management system, a whole vehicle domain controller, an electronic stability controller, and an air conditioning controller, characterized in that:
the entertainment information domain controller is used for acquiring the estimated consumed energy reaching a destination, the residual mileage reaching the destination, the residual endurance mileage and the navigation state, and uploading the estimated consumed energy to the whole vehicle domain controller;
the electronic stability controller and the battery management system are respectively used for acquiring the current vehicle speed and the available energy of the battery and uploading the current vehicle speed and the available energy of the battery to the whole vehicle domain controller;
the whole-vehicle-domain controller is used for determining electric power to be saved based on the uploaded data when the available energy of the battery is detected to be smaller than or equal to the estimated consumed energy reaching the destination, and determining an energy management strategy according to the electric power to be saved, wherein the energy management strategy comprises a first energy management strategy and a second energy management strategy;
the air conditioner controller is used for adjusting the using power of the target vehicle based on the energy management strategy so as to control the target vehicle to reach a destination based on the residual battery power.
10. The energy management system of claim 9, wherein the air conditioning controller is further configured to obtain and upload passenger compartment thermal management power consumption and/or battery pack thermal management power consumption to the whole vehicle domain controller.
11. The energy management system of claim 9, wherein the entertainment information domain controller is further configured to receive and prompt related alert information that the vehicle controller is not able to reach the destination due to insufficient remaining power.
12. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any one of claims 1 to 8 when the computer program is executed by the processor.
13. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 8.
14. A vehicle comprising the energy management system of any of claims 9 to 11.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117885601A (en) * | 2024-03-18 | 2024-04-16 | 成都赛力斯科技有限公司 | Display method and device for endurance display mileage, electronic equipment and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117885601A (en) * | 2024-03-18 | 2024-04-16 | 成都赛力斯科技有限公司 | Display method and device for endurance display mileage, electronic equipment and storage medium |
| CN117885601B (en) * | 2024-03-18 | 2024-05-07 | 成都赛力斯科技有限公司 | Display method and device for endurance display mileage, electronic equipment and storage medium |
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