Method and device for determining endurance mileage of hybrid vehicle

Abstract

The invention relates to the field of intelligent vehicles, and provides a method and device for determining the endurance mileage of a hybrid vehicle. The method comprises the following steps: determining a current short-distance average energy consumption value, a current middle-distance average energy consumption value and a current long-distance average energy consumption value according to a current accumulated travel recorded until a current period; determining a distance average energy consumption value in the history according to the history accumulative travel recorded until the last period; determining an endurance mileage correction factor based on the basic average energy consumption value, the current middle distance average energy consumption value and the historical middle distance average energy consumption value; and based on the basic average energy consumption value, the current short-distance average energy consumption value, the current long-distance average energy consumption value and the endurance mileage correction factor, determining the current meter display endurance mileage of the hybrid vehicle, and displaying the current meter display endurance mileage. According to the method and the device, the accuracy of endurance value calculation can be improved, and the endurance difference caused by different working conditions in the driving process of the vehicle can be intuitively displayed to a user.

Description

Technical Field

[0001] The present application relates to the field of intelligent vehicles, and in particular to a method and device for determining the cruising range of a hybrid vehicle. Background Art

[0002] The battery life of hybrid vehicles has always been a focus of attention for vehicle manufacturers and consumers.

[0003] In the related art, the range of hybrid vehicles is usually calculated based on the initial fuel volume, the real-time fuel injection volume of the engine, and the fuel consumption rate within a certain mileage as a reference value for the future fuel consumption rate. However, the range calculated in this way has a large deviation from the actual range in use, has low accuracy, and cannot intuitively reflect the range differences caused by different working conditions during the driving process of hybrid vehicles. Summary of the invention

[0004] In view of this, an embodiment of the present application provides a method and device for determining the cruising range of a hybrid vehicle to solve the problem that the cruising range calculated by a traditional cruising range calculation scheme has a large deviation from the cruising range in actual use, has low accuracy, and cannot intuitively reflect the cruising range differences caused by different operating conditions during the driving process of the hybrid vehicle.

[0005] According to a first aspect of an embodiment of the present application, a method for determining a cruising range of a hybrid vehicle is provided, comprising: Determine the basic average energy consumption value of the hybrid vehicle under the GLUT test cycle, the current cumulative mileage of the hybrid vehicle recorded up to the current cycle, and the historical cumulative mileage recorded up to the previous cycle; According to the current accumulated travel, determine the current short-distance average energy consumption value, the current medium-distance average energy consumption value and the current long-distance average energy consumption value, and according to the historical accumulated travel, determine the historical medium-distance average energy consumption value; Determine the cruising range correction factor based on the basic average energy consumption value, the current medium-distance average energy consumption value, and the historical medium-distance average energy consumption value; Based on the basic average energy consumption value, the current short-distance average energy consumption value, the current long-distance average energy consumption value and the cruising range correction factor, the current displayed cruising range of the hybrid vehicle is determined and the current displayed cruising range is displayed.

[0006] According to a second aspect of an embodiment of the present application, a device for determining a cruising range of a hybrid vehicle is provided, comprising: A travel determination module is configured to determine a basic average energy consumption value of the hybrid vehicle under a global light vehicle test cycle, a current cumulative travel of the hybrid vehicle recorded up to a current cycle, and a historical cumulative travel recorded up to a previous cycle; The energy consumption determination module is configured to determine the current short-distance average energy consumption value, the current medium-distance average energy consumption value and the current long-distance average energy consumption value according to the current cumulative travel, and determine the historical medium-distance average energy consumption value according to the historical cumulative travel; a correction factor determination module configured to determine a cruising range correction factor based on a basic average energy consumption value, a current mid-distance average energy consumption value, and a historical mid-distance average energy consumption value; The cruising range determination module is configured to determine the current displayed cruising range of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, the current long-distance average energy consumption value and the cruising range correction factor, and display the current displayed cruising range.

[0007] According to a third aspect of an embodiment of the present application, an electronic device is provided, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the above method when executing the computer program.

[0008] According to a fourth aspect of an embodiment of the present application, a computer-readable storage medium is provided, which stores a computer program, and when the computer program is executed by a processor, the steps of the above method are implemented.

[0009] Compared with the prior art, the beneficial effects of the embodiments of the present application include at least: determining a cruising range correction factor based on the basic average energy consumption value of the hybrid vehicle, the current medium-distance average energy consumption value recorded up to the current cycle, and the historical medium-distance average energy consumption value recorded up to the previous cycle; and determining the current displayed cruising range of the hybrid vehicle in combination with the basic average energy consumption value of the hybrid vehicle, the current short-distance average energy consumption value, the current long-distance average energy consumption value, and the cruising range correction factor. The current displayed cruising range calculated in this way is very close to the actual cruising range of the vehicle during actual use, has high accuracy, and can intuitively display the current displayed cruising range to the user, so that the user can understand the cruising range differences caused by different working conditions during driving of the hybrid vehicle, which is conducive to reducing the user's cruising range anxiety caused by excessive cruising range deviation. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0011] Figure 1 It is a flow chart of a method for determining the cruising range of a hybrid vehicle provided in an embodiment of the present application; Figure 2 It is a schematic diagram of a method for cumulatively recording the cumulative travel of a vehicle in a method for determining the cruising range of a hybrid vehicle provided in an embodiment of the present application; Figure 3 is a membership function diagram corresponding to the first fuzzy input variable in the method for determining the cruising range of a hybrid vehicle provided in an embodiment of the present application; Figure 4 is a membership function diagram corresponding to the fuzzy output variable in the method for determining the cruising range of a hybrid vehicle provided in an embodiment of the present application; Figure 5 is a schematic diagram of the final output result corresponding to rule 24 in the method for determining the cruising range of a hybrid vehicle provided in an embodiment of the present application; Figure 6 is a schematic diagram of the final output result corresponding to rule 1 in the method for determining the cruising range of a hybrid vehicle provided in an embodiment of the present application; Figure 7 It is a schematic diagram of the overall process of a method for determining the cruising range of a hybrid vehicle in an application example of the present application; Figure 8 It is a structural schematic diagram of a device for determining the cruising range of a hybrid vehicle provided in an embodiment of the present application; Fig. 9 It is a structural schematic diagram of an electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0012] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application may also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from obstructing the description of the present application.

[0013] A method and device for determining the cruising range of a hybrid vehicle according to an embodiment of the present application will be described in detail below with reference to the accompanying drawings.

[0014] During vehicle driving, accurately judging the vehicle's endurance and improving its endurance performance are important issues that users generally care about.

[0015] In the related art, the range of hybrid vehicles is usually calculated based on the initial fuel volume, the real-time fuel injection volume of the engine, and the fuel consumption rate within a certain mileage as a reference value for the future fuel consumption rate. However, the range calculated in this way has a large deviation from the actual range in use, low accuracy, and cannot intuitively and accurately reflect the range differences caused by different working conditions during the driving process of hybrid vehicles.

[0016] In view of this, an embodiment of the present application provides a method for determining the cruising range of a hybrid vehicle. The method determines a cruising range correction factor based on the basic average energy consumption value of the hybrid vehicle, the current medium-distance average energy consumption value recorded in the current cycle, and the historical medium-distance average energy consumption value recorded in the previous cycle, and determines the current displayed cruising range of the vehicle based on the cruising range correction factor, the basic average energy consumption value of the hybrid vehicle under the World Light Vehicle Test Cycle (WLTC) conditions, and the current short-distance average energy consumption value and the current long-distance average energy consumption value. The calculated cruising range is very close to the actual cruising range of the vehicle during actual use, has high accuracy, and can intuitively display the current displayed cruising range to the user, so that the user can understand the cruising range differences caused by different working conditions during driving of the hybrid vehicle, which is conducive to reducing the user's cruising range anxiety caused by excessive cruising range deviation.

[0017] Figure 1 1 is a flow chart of a method for determining the cruising range of a hybrid vehicle provided in an embodiment of the present application. The method for determining the cruising range of a hybrid vehicle may be executed by a vehicle control unit (VCU). Figure 1 The method for determining the cruising range of a hybrid vehicle in the embodiment of the present application may include the following steps: Step S101, determining a basic average energy consumption value of a hybrid vehicle under a global light vehicle test cycle, a current cumulative mileage of the hybrid vehicle recorded up to a current cycle, and a historical cumulative mileage recorded up to a previous cycle.

[0018] A hybrid vehicle (or compound vehicle) is a vehicle equipped with two or more onboard power sources. Currently, compound vehicles generally refer to vehicles with internal combustion engine generators and batteries. Onboard power sources include batteries, fuel cells, solar cells, internal combustion engines, etc.

[0019] The basic average energy consumption value refers to the weighted fuel consumption per 100 kilometers of a hybrid vehicle on urban roads, highways and at different speeds.

[0020] The current cumulative trip refers to the cumulative mileage of the hybrid vehicle recorded up to the most recent time (i.e. the current cycle) (i.e. the total cumulative mileage up to the current cycle). For example, if the cumulative mileage of the hybrid vehicle recorded up to the current cycle is 5km (kilometers), then the current cumulative trip up to the current cycle is 5km.

[0021] Historical cumulative mileage refers to the cumulative mileage of the hybrid vehicle recorded up to the last time (i.e., the last cycle) (i.e., the total cumulative mileage up to the last cycle). For example, if the cumulative mileage of the hybrid vehicle recorded up to the last cycle is 4km (kilometers / kilometers), then the historical cumulative mileage up to the last cycle is 4km.

[0022] The recording cycle (update cycle) of the current cumulative mileage can be flexibly set according to the actual situation. For example, the current cumulative mileage can be recorded and updated once every time the hybrid vehicle travels 1 km, that is, the operation of recording and updating the current cumulative mileage is triggered once every time the hybrid vehicle travels 1 km.

[0023] As an example, the fuel consumption data of hybrid vehicles on urban roads, highways and at different speeds can be collected, and then the basic average energy consumption value of the hybrid vehicle under the WLTC (World Light Vehicle Test Cycle, the test standard of the global light vehicle test specification) working condition can be calculated based on the fuel consumption data, which is recorded as P WLTC .

[0024] For example, the basic average energy consumption value P of a hybrid vehicle under WLTC conditions can be calculated according to formula (1): WLTC .

[0025] (1); In formula (1), Indicates the fuel consumption per 100 kilometers of a hybrid vehicle on urban roads; It indicates the fuel consumption of a hybrid vehicle per 100 kilometers on the highway; It indicates the fuel consumption per 100 kilometers of hybrid vehicles at different speeds; Indicates the total mileage; , , They respectively represent city weight, highway weight and other weights; among them, city weight, highway weight and other weights respectively represent the proportion of various driving conditions in the total mileage.

[0026] Step S102, determining the current short-distance average energy consumption value, the current medium-distance average energy consumption value and the current long-distance average energy consumption value based on the current accumulated travel; determining the historical medium-distance average energy consumption value based on the historical accumulated travel.

[0027] The "short distance", "medium distance" and "long distance" in the embodiment of the present application can be customized by the user or the manufacturer, wherein "short distance" is smaller than "medium distance" and "medium distance" is smaller than "long distance". For example, the manufacturer can preset "short distance" to 1km, "medium distance" to 5km and "long distance" to 10km when the vehicle leaves the factory.

[0028] The current short-distance average energy consumption value refers to the average energy consumption value required for the hybrid vehicle to travel a short distance (also known as a short-distance instantaneous trip) in the current cumulative trip. For example, the short-distance instantaneous trip is set to 1km. When the hybrid vehicle travels a short-distance instantaneous trip (that is, every 1km), the number of short-distance trips and the current short-distance cumulative trip are recorded and updated once, and the current cumulative trip is recorded and updated at the same time. If the current cumulative trip is 10km, the hybrid vehicle has currently traveled 10 1km cumulatively. At this time, the number of short-distance trips is 10 times, and the current short-distance cumulative trip is 1×10=10km. Then the current short-distance average energy consumption value can be understood as the average energy consumption value required for the hybrid vehicle to travel 1km in the most recent cumulative 10km.

[0029] The current average energy consumption value for medium distance refers to the average energy consumption value required for the hybrid vehicle to travel a medium distance (also called a medium distance instantaneous journey) in the current cumulative journey. For example, the medium distance instantaneous journey is set to 5km. When the hybrid vehicle travels a medium distance instantaneous journey (i.e., every 5km), the number of medium distance travels and the current medium distance cumulative journey are recorded and updated once, and the current cumulative journey is recorded and updated at the same time. If the current cumulative journey is 10km, the hybrid vehicle has currently traveled 2 5km cumulatively. At this time, the number of medium distance travels is 2 times, and the current medium distance cumulative journey is 5×2=10km. Then the current average energy consumption value for medium distance can be understood as the average energy consumption value required for the hybrid vehicle to travel every 5km in the most recent cumulative 10km.

[0030] The historical average energy consumption value of medium distance refers to the average energy consumption value required for the hybrid vehicle to travel a medium distance (also known as the instantaneous medium distance travel) in the historical cumulative travel recorded up to the last cycle. For example, if the medium distance is set to 5km, and the historical cumulative travel recorded in the last cycle is 9km, then the hybrid vehicle has traveled 1 5km cumulatively up to the last cycle. At this time, the number of historical medium distance travels is 1, and the historical cumulative travel distance is 5×1=5km. Therefore, the historical average energy consumption value of medium distance can be understood as the average energy consumption value required for the hybrid vehicle to travel 5km out of the 9km cumulative travel up to the last cycle.

[0031] The current long-distance average energy consumption value refers to the average energy consumption value required for the hybrid vehicle to travel a long distance (also known as a long-distance instantaneous trip) in the current cumulative trip. For example, the long-distance instantaneous trip is set to 10km. When the hybrid vehicle travels a long-distance instantaneous trip (that is, every 10km), the number of long-distance trips and the current long-distance cumulative trip are recorded and updated once, and the current cumulative trip is recorded and updated at the same time. If the current cumulative trip is 10km, the hybrid vehicle has currently traveled a total of 10km. At this time, the number of long-distance trips is 1, and the current long-distance cumulative trip is 10×1=10km. Then the current long-distance average energy consumption value can be understood as the average energy consumption value required for the hybrid vehicle to travel every 10km in the most recent cumulative 10km.

[0032] Step S103, determining a cruising range correction factor based on the basic average energy consumption value, the current medium-distance average energy consumption value, and the historical medium-distance average energy consumption value.

[0033] The cruising range correction factor is used to correct the deviation between the calculated cruising range value and the actual cruising range value of the vehicle during actual driving, so that the calculated cruising range value is closer to the actual cruising range value during vehicle use, thereby improving the accuracy of the calculation results.

[0034] Since the average energy consumption of a vehicle fluctuates greatly during short-distance driving, and the average energy consumption update cycle is longer during long-distance driving, the current average energy consumption value of the vehicle during medium-distance driving and the historical average energy consumption value of the vehicle during medium-distance driving are used to determine the range correction factor, and the subsequent displayed range value is corrected based on the range correction factor. In this way, not only can the calculation accuracy of the range value be improved, but also the timely update of the range value can be ensured to prevent the range value from rising / falling abnormally.

[0035] Step S104, based on the basic average energy consumption value, the current short-distance average energy consumption value, the current long-distance average energy consumption value and the cruising range correction factor, the current displayed cruising range of the hybrid vehicle is determined, and the current displayed cruising range is displayed.

[0036] The current displayed cruising range refers to the cruising range displayed on the display device of the hybrid vehicle at the current moment (current cycle).

[0037] The display device may be at least one of a dashboard display screen, a central control display screen or a head-up display device mounted on a hybrid vehicle.

[0038] The technical solution provided in the embodiment of the present application determines a cruising range correction factor based on the basic average energy consumption value of the hybrid vehicle, the current medium-distance average energy consumption value and the historical medium-distance average energy consumption value; and determines the current displayed cruising range of the hybrid vehicle in combination with the basic average energy consumption value, the current short-distance average energy consumption value, the current long-distance average energy consumption value and the cruising range correction factor. The current displayed cruising range calculated in this way is very close to the actual cruising range of the vehicle during actual use, has high accuracy, and can intuitively display the current displayed cruising range to the user, so that the user can understand the cruising range differences caused by different working conditions during driving of the hybrid vehicle, which is conducive to reducing the user's cruising range anxiety caused by excessive cruising range deviation.

[0039] In some embodiments, determining the current short-distance average energy consumption value according to the current accumulated travel distance includes: Determining the number of short-distance driving times of the hybrid vehicle in the current cumulative driving according to the current cumulative driving and the preset short-distance instantaneous driving; Determine a short-distance instantaneous energy consumption value corresponding to each short-distance instantaneous trip of the hybrid vehicle in the current cumulative trip; If the number of short-distance driving times is less than the preset number threshold, the current short-distance average energy consumption value is determined according to each short-distance instantaneous energy consumption value and the basic average energy consumption value of the hybrid vehicle in the current cumulative travel; If the number of short-distance driving times is equal to or greater than a preset number threshold, the current short-distance average energy consumption value is determined according to each short-distance instantaneous energy consumption value of the hybrid vehicle in the current accumulated travel.

[0040] As an example, see Figure 2 , Figure 2 The horizontal axis S represents the cumulative distance traveled, and the vertical axis W represents the total distance traveled. 瞬 Indicates instantaneous energy consumption (such as instantaneous power consumption). 1n Indicates that the hybrid vehicle has accumulated n short-distance instantaneous trips in the current cumulative trip. At this time, the number of short-distance trips is n, and the current short-distance cumulative trip = short-distance instantaneous trip × number of short-distance trips. When n=1, the short-distance instantaneous trip is 1km, A 11 Indicates that the hybrid vehicle has traveled a total of 1 km in the current cumulative travel, and the current short-distance cumulative travel is 1×1=1 km; when n=2 and the short-distance instantaneous travel is 1 km, A 12 Indicates that the hybrid vehicle has traveled 2 1km in total in the current cumulative travel, and the current short-distance cumulative travel is 1×2=2km; when n=3 and the short-distance instantaneous travel is 1km, A 13It means that the hybrid vehicle has traveled 3 1km in total in the current cumulative travel. The current short-distance cumulative travel is 1×3=3km. Similarly, when n=10 and the short-distance instantaneous travel is 1km, A 110 It means that in the current cumulative mileage, the hybrid vehicle has traveled a total of 10 1km trips, and the current short-distance cumulative mileage is 1×10=10km.

[0041] For example, it can be calculated according to formula (2) .

[0042] (2); In formula (2), Indicates that the hybrid vehicle has traveled a total of n short-distance instantaneous trips in the current cumulative trip. Indicates i A short distance instantaneous trip, i represents the index of summation, i The value of is 1,2,3,...,n.

[0043] when n =1, = , that is, in the current cumulative trip, the hybrid vehicle has traveled a short-distance instantaneous trip; when n =2, = + , that is, in the current cumulative trip, the hybrid vehicle has traveled a total of 2 short-distance instantaneous trips; and so on, = + +...+ .

[0044] For example, the first i Short distance instantaneous travel .

[0045] (3); In formula (3), Indicates the current speed of the hybrid vehicle in km / h; Indicates the operation cycle, which can be set according to actual conditions, generally can be set to 0.01 seconds.

[0046] For example, the short-distance instantaneous energy consumption value corresponding to each short-distance instantaneous trip of the hybrid vehicle in the current accumulated trip can be calculated according to formula (4).

[0047] (4); In formula (4), Indicatesi Short distance instantaneous travel The corresponding i The short-distance instantaneous energy consumption value, in kw·h (kilowatt-hour); Indicates the engine power of the hybrid vehicle, in kw (kilowatt); Indicates the battery power of the hybrid vehicle, in kw (kilowatt); Indicates the operation cycle, which can be set according to actual conditions, generally can be set to 0.01 seconds.

[0048] For example, the current short-distance cumulative energy consumption value of the hybrid vehicle in the current cumulative travel may be calculated according to formula (5).

[0049] (5); In formula (5), Indicates the current short distance cumulative trip of the hybrid vehicle in the current cumulative trip The corresponding current short-distance cumulative energy consumption value, that is, the total energy consumption value corresponding to the total number of short-distance instantaneous trips traveled by the hybrid vehicle in the current cumulative trip; Indicates i Short distance instantaneous travel The corresponding i The short-distance instantaneous energy consumption value, i represents the index of summation, i The value of is 1,2,3,...,n.

[0050] when n =1, the hybrid vehicle has traveled a short-distance instantaneous trip in the current cumulative trip, so the current short-distance cumulative trip is = , The corresponding current short-distance cumulative energy consumption is = ;when n =2, the hybrid vehicle has traveled 2 short-distance instantaneous trips in total in the current cumulative trip, so the current short-distance cumulative trip is = + , The corresponding current short-distance cumulative energy consumption is = + , and so on. If the hybrid vehicle has traveled n short-distance instantaneous trips in total during the current cumulative trip, then the current short-distance cumulative trip is , The corresponding current short-distance cumulative energy consumption is = + +... .

[0051] The preset number threshold can be flexibly set according to actual conditions. For example, it can be set to 10 times, 15 times, etc., and the embodiments of the present application do not impose specific restrictions on this.

[0052] In the first case, the number of short-distance driving is equal to the preset number threshold. For example, if the current cumulative travel is 10 km, the preset number threshold is 10 times, and the preset short-distance instantaneous travel is 1 km, then the number of short-distance driving of the hybrid vehicle in the current cumulative travel is 10 km ÷ 1 km = 10 times. At this time, the number of short-distance driving is equal to the preset number threshold. In this case, the current short-distance average energy consumption value of the hybrid vehicle in the current cumulative travel can be calculated according to formula (6).

[0053] (6); In formula (6), Indicates the current short-distance average energy consumption value; Indicates the jth current short distance cumulative trip The corresponding j-th current short-distance cumulative energy consumption value, It means that in the current cumulative travel, the hybrid vehicle has traveled a total of j short-distance instantaneous travels, j represents the summation index, and the value of j is 1, 2, 3, ..., n; n represents the number of short-distance travels.

[0054] In the above example, in the current cumulative mileage of 10 km, the hybrid vehicle has accumulated 10 short-distance instantaneous trips (1 km). The current short-distance cumulative mileage is 1×10=10 km, and the number of short-distance trips n=10. At this time, the current short-distance average energy consumption value is ; to It can be calculated according to the above formula (5).

[0055] In the second case, the number of short-distance driving times is greater than the preset number threshold. For example, the current cumulative mileage is 11km, the preset number threshold is 10 times, and the preset short-distance instantaneous mileage is 1km. Then the number of short-distance driving times of the hybrid vehicle in the current cumulative mileage is 11km÷1km=11 times. At this time, the number of short-distance driving times is greater than the preset number threshold. In this case, the short-distance instantaneous energy consumption value corresponding to the previous short-distance instantaneous mileage of the hybrid vehicle can be assigned to the short-distance instantaneous energy consumption value corresponding to the current short-distance instantaneous mileage for alternating updates. For example, the short-distance instantaneous energy consumption value corresponding to the 10th short-distance instantaneous mileage (1km) of the hybrid vehicle is assigned. Assigned to the short-distance instantaneous energy consumption value corresponding to the 11th short-distance instantaneous trip (1km) of the hybrid vehicle ,Right now = ; The short-distance instantaneous energy consumption value corresponding to the 9th short-distance instantaneous trip (1km) of the hybrid vehicle Assigned to the short-distance instantaneous energy consumption value corresponding to the 10th short-distance instantaneous trip (1km) of the hybrid vehicle ,Right now = , and so on, the short-distance instantaneous energy consumption value corresponding to the second short-distance instantaneous trip (1km) of the hybrid vehicle is calculated as follows: Assigned to the short-distance instantaneous energy consumption value corresponding to the first short-distance instantaneous trip (1km) of the hybrid vehicle ,Right now = Then, the current short-distance average energy consumption value is calculated according to the above formula (6).

[0056] That is to say, when the number of short-distance driving times is greater than a preset threshold, the short-distance instantaneous energy consumption value corresponding to the hybrid vehicle's previously recorded short-distance instantaneous trip is assigned to the short-distance instantaneous energy consumption value corresponding to the most recently recorded short-distance instantaneous trip, and thus alternately updated.

[0057] In the third case, the number of short-distance driving is less than the preset number threshold. For example, the current cumulative travel is 8km, the preset number threshold is 10 times, and the preset short-distance instantaneous travel is 1km. Then the number of short-distance driving of the hybrid vehicle in the current cumulative travel is 8km÷1km=8 times. At this time, the number of short-distance driving is less than the preset number threshold. In this case, for the 1st to 8th short-distance instantaneous travels that the hybrid vehicle has accumulated before, to The corresponding current short-distance cumulative energy consumption value to It can be calculated according to the above formula (5). For the next two short-distance instantaneous trips that the hybrid vehicle has not yet driven, , The corresponding current short-distance cumulative energy consumption value , According to the basic average energy consumption value P WLTC And the current short-distance cumulative travel is calculated; among them, ; Then, the current short-distance average energy consumption value is calculated according to the above formula (6).

[0058] Please see Continue Reading Figure 2 , B 5mIndicates that the hybrid vehicle has accumulated m medium-distance instantaneous trips in the current cumulative trip. At this time, the number of medium-distance trips is m, and the current medium-distance cumulative trip = medium-distance instantaneous trip × medium-distance trip number. When m=1 and the medium-distance instantaneous trip is 5km, B 51 Indicates that the hybrid vehicle has traveled a total of 1 5km in the current cumulative travel, and the current medium-distance cumulative travel is 5×1=5km; when m=2 and the instantaneous medium-distance travel is 5km, B 52 In the current cumulative travel, the hybrid vehicle has traveled 2 5km cumulative distances, and the current medium-distance cumulative travel is 5×2=10km. When m=3 and the instantaneous medium-distance travel is 5km, B 53 It means that the hybrid vehicle has traveled 3 5km in total in the current cumulative travel. The current medium-distance cumulative travel is 5×3=15km. Similarly, when m=10 and the medium-distance instantaneous travel is 5km, B 510 It means that in the current cumulative mileage, the hybrid vehicle has traveled a total of 10 5km trips, and the current medium-distance cumulative mileage is 5×10=50km.

[0059] C 10w Indicates that the hybrid vehicle has accumulated w long-distance instantaneous trips in the current cumulative trip. At this time, the number of long-distance trips is w, and the current long-distance cumulative trip = long-distance instantaneous trip × long-distance trip number. When w = 1, the long-distance instantaneous trip is 10km, C 101 Indicates that the hybrid vehicle has traveled a total of 10 km in the current cumulative travel, and the current long-distance cumulative travel is 10×1=10 km; when w=2, the long-distance instantaneous travel is 10 km, C 102 It means that the hybrid vehicle has traveled 2 10km in total in the current cumulative travel, and the current long-distance cumulative travel is 10×2=20km; when w=3, the long-distance instantaneous travel is 10km, C 103 It means that the hybrid vehicle has traveled 3 times 10 km in the current cumulative travel. The current long-distance cumulative travel is 10×3=30 km. Similarly, when w=10 and the long-distance instantaneous travel is 10 km, C 1010 It means that the most recent cumulative record of the hybrid vehicle is 10 times 10 km, and the current long-distance cumulative mileage is 10×10=100 km.

[0060] Similarly, the current short-distance average energy consumption value can be determined by referring to the above The current average energy consumption value P of the middle distance is determined according to the current accumulated travel distance. AVG2 , according to the historical cumulative travel, determine the historical average energy consumption value P' AVG2 , determine the current long-distance average energy consumption value P based on the current cumulative travel AVG3 , I will not go into details here.

[0061] In some embodiments, determining a cruising range correction factor based on a current mid-range average energy consumption value and a historical mid-range average energy consumption value includes: Determine a first average energy consumption jump coefficient according to the current mid-range average energy consumption value and the basic average energy consumption value; Determine the second average energy consumption jump coefficient according to the historical mid-distance average energy consumption value and the basic average energy consumption value; A cruising range correction factor is determined based on the first average energy consumption jump coefficient and the second average energy consumption jump coefficient.

[0062] As an example, the first average energy consumption jump coefficient may be calculated according to formula (7).

[0063] (7); In formula (7), Indicates the first average energy consumption jump coefficient; Indicates the current average energy consumption value in the middle distance; Indicates the basic average energy consumption value.

[0064] The second average energy consumption jump coefficient can be calculated according to formula (8).

[0065] (8); In formula (8), Indicates the second average energy consumption jump coefficient; Indicates the historical mid-distance average energy consumption value.

[0066] It can be seen from equations (7) and (8) that the first average energy consumption jump coefficient and the second average energy consumption jump coefficient are coefficients related to the basic average energy consumption value of a hybrid vehicle.

[0067] In order to prevent the average energy consumption value from being too high or too low, which will lead to the endurance value being too high or too low, thereby reducing the accuracy of subsequent calculation results, the value range of the first average energy consumption jump coefficient and the second average energy consumption jump coefficient are both [-0.4, 0.4].

[0068] The value ranges of the first average energy consumption jump coefficient and the second average energy consumption jump coefficient can be adjusted according to the average energy consumption of the hybrid vehicle during actual use, so that the subsequently calculated displayed cruising range is closer to the actual value.

[0069] In some embodiments, determining the cruising range correction factor based on the first average energy consumption jump coefficient and the second average energy consumption jump coefficient includes: Performing fuzzy processing on the first average energy consumption jump coefficient to obtain a first fuzzy input variable, and performing fuzzy processing on the second average energy consumption jump coefficient to obtain a second fuzzy input variable; Determining a fuzzy output variable based on the first fuzzy input variable, the second fuzzy input variable and a preset fuzzy rule; The fuzzy output variables are defuzzified to obtain the range correction factor.

[0070] As an example, a first fuzzy input variable rule, a second fuzzy input variable rule, a fuzzy output variable rule and a fuzzy rule can be established according to a preset fuzzy control strategy (e.g., Fuzzy Logic Designer in MATLAB). Among them, the first fuzzy input variable rule, the second fuzzy input variable rule and the fuzzy output variable rule can be set according to actual conditions. The fuzzy rules can be determined by a simulation test method. For example, the first average energy consumption jump coefficient and the second average energy consumption jump coefficient can be used as inputs, and the cruising range correction factor can be used as output. Multiple simulation tests are performed to establish rules for the change in the cruising range reduction rate caused by the change in the first average energy consumption jump coefficient and the second average energy consumption jump coefficient.

[0071] The first fuzzy input variable rule is used to describe the mapping relationship between the first average energy consumption jump coefficient and a plurality of pre-established fuzzy sets (determined according to the value range of the first average energy consumption jump coefficient).

[0072] The second fuzzy input variable rule is used to describe the mapping relationship between the second average energy consumption jump coefficient and a plurality of pre-established fuzzy sets (determined according to the value range of the second average energy consumption jump coefficient).

[0073] The fuzzy output variable rule is used to describe the mapping relationship between the cruising range correction factor and multiple pre-established fuzzy sets (determined according to the value range of the cruising range correction factor).

[0074] The fuzzy rule is used to describe the mapping relationship between the change of the first average energy consumption jump coefficient and the second average energy consumption jump coefficient and the change of the endurance reduction rate.

[0075] As an example, after the vehicle controller calculates the first average energy consumption jump coefficient and the second average energy consumption jump coefficient based on the above implementation, the vehicle controller determines the first fuzzy input variable corresponding to the first average energy consumption jump coefficient according to the pre-established first fuzzy input variable rule; and determines the second fuzzy input variable corresponding to the second average energy consumption jump coefficient according to the pre-established second fuzzy input variable rule.

[0076] As an example, the first average energy consumption jump coefficient can be pre-set based on , construct multiple fuzzy sets (such as fuzzy sets RH, RL, RD, DL, DH), and then use membership functions (such as triangular membership functions, etc.) to calculate the first average energy consumption jump coefficient The membership degree of each fuzzy set (such as RH, RL, RD, DL, DH) is used to convert the first average energy consumption jump coefficient Mapped to these fuzzy sets (such as RH, RL, RD, DL, DH), the first fuzzy input variable is obtained. Among them, the first average energy consumption jump coefficient The corresponding membership function diagram of the first fuzzy input variable is as follows: Figure 3 shown.

[0077] As an example, the first fuzzy input variable rule is shown in Table 1 below.

[0078] Table 1 The first fuzzy input variable rules The meanings of the fuzzy sets in the first fuzzy input variable rule are as follows: The fuzzy set RH indicates that the energy consumption when the first average energy consumption jump coefficient is less than 0 is much lower than the basic average energy consumption of the whole vehicle under WLTC conditions; the fuzzy set RL indicates that the energy consumption when the first average energy consumption jump coefficient is less than 0 is lower than the basic average energy consumption of the whole vehicle under WLTC conditions; the fuzzy set RD indicates that the energy consumption when the first average energy consumption jump coefficient is less than 0 is close to the basic average energy consumption of the whole vehicle under WLTC conditions; the fuzzy set DL indicates that the energy consumption when the first average energy consumption jump coefficient is less than 0 is higher than the basic average energy consumption of the whole vehicle under WLTC conditions; the fuzzy set DH indicates that the energy consumption when the first average energy consumption jump coefficient is less than 0 is much higher than the basic average energy consumption of the whole vehicle under WLTC conditions.

[0079] As an example, see Figure 3 And the above Table 1, can be The value range of is divided into five value intervals: [-0.4,-0.25,-0.1], [-0.18,-0.08,-0.05], [-0.08,0,0.08], [0.05,0.08,0.18], and [0.1,0.25,0.4]. Then five fuzzy sets are constructed in these five value intervals, namely RH (corresponding to the value interval [-0.4,-0.25,-0.1]), RL (corresponding to the value interval [-0.18,-0.08,-0.05]), RD (corresponding to the value interval [-0.08,0,0.08]), DL (corresponding to the value interval [0.05,0.08,0.18]) and DH (corresponding to the value interval [0.1,0.25,0.4]). Afterwards, the first average energy consumption jump coefficient can be calculated using a membership function (such as a triangular membership function, etc.) The membership degree of the five fuzzy sets mentioned above is used to accurately calculate the first average energy consumption jump coefficient Converted into the first fuzzy input variable.

[0080] Table 1 The value range [-0.4, -0.25, -0.1] contains three elements, namely -0.4, -0.25 and -0.1. The closed interval [-0.4, -0.25, -0.1] containing three elements can be understood as the union of the closed interval [-0.4, -0.25] and the closed interval [-0.25, -0.1]. Its values ​​can be -0.4, -0.25, -0.1 and all values ​​between them. Similarly, Other value ranges of can also be understood in the above manner.

[0081] In some implementations, the second fuzzy input variable rule is the same as the first fuzzy input variable rule described above.

[0082] In some embodiments, the fuzzy output variable rule can be determined based on the change in the endurance drop rate caused by the change in the first average energy consumption jump coefficient and the second average energy consumption jump coefficient. The second average energy consumption jump coefficient The change in the cruising range correction factor is determined by The result range (value range) should be slightly larger than the first average energy consumption jump coefficient The second average energy consumption jump coefficient The value range of the average energy consumption is set to ensure that the subsequent endurance value calculation can cover the situation of too high and too low energy consumption, thereby avoiding the jump coefficient of the first average energy consumption The second average energy consumption jump coefficient The range of the range correction factor is limited, which leads to abnormal range reduction. For example, if the standard value of the range correction factor is 1, then the range correction factor The value range of can be [0.5,1.5].

[0083] As an example, the fuzzy output variable rules are shown in Table 2 and Figure 4 shown.

[0084] Table 2 Fuzzy output variable rules The meanings of the fuzzy sets in the fuzzy output variable rules are as follows: The fuzzy set LL indicates that the decline of the endurance value needs to be significantly slowed down; the fuzzy set LH indicates that the decline of the endurance value needs to be slightly slowed down; the fuzzy set 0 indicates that the decline rate needs to be kept basically unchanged; the fuzzy set HL indicates that the decline of the endurance value needs to be slightly accelerated; the fuzzy set HH indicates that the decline of the endurance value needs to be significantly accelerated.

[0085] In Table 2, The value range [0.5,0.65,0.8] contains three elements, namely 0.5, 0.65 and 0.8. The closed interval [0.5,0.65,0.8] containing three elements can be understood as the union of the closed interval [0.5,0.65] and the closed interval [0.65,0.8]. Its values ​​can be 0.5, 0.65, 0.8 and all values ​​between them. Similarly, Other value ranges of can also be understood in the above manner.

[0086] As an example, the range correction factor can be pre-set based on According to the range of values ​​of the self-defined gradient simulation results, multiple fuzzy sets (such as fuzzy sets LL, LH, 0, HL and HH) are constructed, and then the cruising range correction factor is calculated using the membership function (such as the triangle membership function, etc.) The degree of membership of each fuzzy set (such as LL, LH, 0, HL and HH) is used to correct the range Mapped to these fuzzy sets (such as LL, LH, 0, HL and HH), the fuzzy output variables are obtained. Among them, the membership function diagram of the fuzzy output variable corresponding to the cruising range correction factor is as follows Figure 4 shown.

[0087] In some implementations, the fuzzy rules may be established based on the first and second fuzzy input variables and the fuzzy output variable.

[0088] As an example, the fuzzy rules are shown in Table 3.

[0089] Table 3 Fuzzy rules Table 3 (Continued) Table 3 (Continued) In some cases where it is difficult to distinguish the results of input / output variables (i.e. fuzzy), calculations can be performed based on the fuzzy sets of the various input / output variables set as above, thereby improving the accuracy of the calculation results of subsequent endurance values. The following is an explanation using the fuzzy rule rule 1 in Table 3 above. Fuzzy rule 1 (rule1) is: If the first average energy consumption jump coefficient (input1) belongs to the fuzzy set RH, and the second average energy consumption jump coefficient (input2) belongs to the fuzzy set RH, then the cruising range correction factor (output) belongs to the fuzzy set LL (if input1 is RH and input2 is RH then output is LL). This rule 1 means that if the first average energy consumption jump coefficient The corresponding first fuzzy input variable belongs to the fuzzy set RH (i.e. input1 is RH), and the second average energy consumption jump coefficient The corresponding second fuzzy input variable belongs to the fuzzy set RH (i.e., input2 is RH), and the fuzzy output variable corresponding to the cruising range correction factor α belongs to the fuzzy set LL (i.e., output is LL).

[0090] Figure 5 The input and output results corresponding to rule 24 in Table 3 above are shown. Figure 6 The input and output results corresponding to rule 1 in Table 3 above are shown. Figure 5 and Figure 6 The X in the formula represents the first average energy consumption jump coefficient. (input1) input value (input result), Y represents the second average energy consumption jump coefficient (input2) is the input value (input result), and Z represents the output value (output result) of the range correction factor α (output).

[0091] In some embodiments, determining the current displayed cruising range of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, the current long-distance average energy consumption value, and the cruising range correction factor includes: Determine the current actual cruising range of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, and the current long-distance average energy consumption value; Based on the current actual cruising range and the cruising range correction factor, the current displayed cruising range of the hybrid vehicle is determined.

[0092] In some embodiments, determining the current real cruising range of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, and the current long-distance average energy consumption value includes: Obtain the current remaining fuel volume and fuel-to-electricity conversion coefficient of the hybrid vehicle; Determine a comprehensive average energy consumption value of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, and the current long-distance average energy consumption value; The current actual cruising range of the hybrid vehicle is determined based on the current remaining fuel volume, the oil-to-electricity conversion coefficient and the comprehensive average energy consumption value.

[0093] The oil-to-electricity conversion coefficient refers to the amount of electricity that can be converted into a unit amount of oil, that is, the conversion efficiency between fuel and electricity.

[0094] The current remaining fuel level refers to the remaining fuel level in the fuel tank of the hybrid vehicle at the current moment.

[0095] As an example, first, the fixed energy consumption distribution coefficient can be determined according to the change in the actual vehicle test endurance of the hybrid vehicle, wherein the fixed energy consumption distribution coefficient includes a first distribution coefficient δ1 corresponding to the basic average energy consumption value, a second distribution coefficient δ2 corresponding to the current short-distance average energy consumption value, and a third distribution coefficient δ3 corresponding to the current long-distance average energy consumption value.

[0096] For example, the comprehensive average energy consumption value of the hybrid vehicle can be calculated according to formula (9).

[0097] (9); In formula (9), Indicates the comprehensive average energy consumption value of hybrid vehicles; Indicates the basic average energy consumption value of hybrid vehicles under WLTC conditions; Indicates the current short-distance average energy consumption value; Indicates the current long-distance average energy consumption value; , , Represent the first, second, and third distribution coefficients respectively.

[0098] In general, if Greater than and , then the calculated endurance value is closer to the endurance value of the WLTC condition, for example, , , Can be set to 0.7, 0.1, 0.2 respectively. Less than and / or , then the calculated endurance value is closer to the endurance value of the user's actual vehicle usage. , , It can be determined based on the actual vehicle test range changes of hybrid vehicles and the focus on range, to meet That's it.

[0099] As an example, the current actual cruising range can be calculated according to formula (10).

[0100] (10); In formula (10), Indicates the current actual cruising range; Indicates the current remaining fuel volume; Indicates the oil-to-electricity conversion coefficient; Indicates the comprehensive average energy consumption value.

[0101] Since the hybrid vehicle updates the current short-distance average energy consumption value once every 1 km of cumulative driving, the calculation frequency of the endurance value is consistent with the update frequency of the current short-distance average energy consumption value, so the current displayed endurance mileage can be calculated according to formula (11).

[0102] (11); In formula (11), Indicates the current displayed cruising range; Indicates the historical displayed cruising range of the previous cycle; Indicates the cruising range correction factor, 1 represents 1km (kilometer / kilometer).

[0103] When a hybrid vehicle is just refueled, its initial current range is is the current actual cruising range calculated by formula (10) The initial current displayed cruising range is stored so that the vehicle can read the cruising range value next time it is powered on. It can be calculated based on the last displayed cruising range of the last cycle and the cruising range correction factor, that is, it can be calculated according to formula (11).

[0104] For example, when a hybrid vehicle has just finished refueling, in the first cycle, the current displayed range is , Indicates the current displayed cruising range in the first cycle. Indicates the current real cruising range in the first cycle; in the second cycle, the current displayed cruising range is , Indicates the current displayed cruising range in the second cycle; in the third cycle, the current displayed cruising range is , Indicates the current displayed cruising range in the third cycle; and so on, in the nth cycle, the current displayed cruising range is , Indicates the current displayed cruising range in the nth cycle, Indicates the current displayed cruising range in the tth cycle; n represents the nth cycle, n is an integer ≥ 1, and t=n-1.

[0105] In some embodiments, determining the current displayed cruising range of the hybrid vehicle based on the current real cruising range and the cruising range correction factor includes: Determine a current cruising range difference between a current real cruising range of the hybrid vehicle in a current cycle and a historical displayed cruising range in a previous cycle; If the current cruising range difference is less than the first preset difference threshold or greater than the second preset difference threshold, energy consumption deviation prompt information is output.

[0106] The first preset difference threshold and the second preset difference threshold can be flexibly set according to actual conditions. Generally, the first preset difference threshold can be any value less than -10, and the second preset difference threshold can be any value greater than 15.

[0107] The energy consumption deviation prompt information may be a voice message or a text message used to prompt the user that the energy consumption of a past journey was too high or too low.

[0108] As an example, the current cruising range difference between the current real cruising range of the hybrid vehicle and the historical displayed cruising range of the previous cycle can be calculated according to formula (12).

[0109] (12); In formula (12), Indicates the current cruising range difference. Indicates the current actual cruising range. Indicates the historical displayed cruising range of the previous cycle.

[0110] For example, when a hybrid vehicle has just finished refueling, in the first cycle, the current range difference is , Indicates the current range difference in the first cycle; in the second cycle, , Indicates the current range difference in the second cycle, Indicates the current real cruising range in the second cycle, Indicates the current displayed cruising range in the first cycle; in the third cycle, , Indicates the current range difference in the third cycle, Indicates the current real cruising range in the third cycle, Indicates the current displayed range in the second cycle, and so on, in the nth cycle, the current range difference is , Indicates the current range difference in the nth cycle, Indicates the current real cruising range in the nth cycle, Indicates the current displayed cruising range in the tth cycle; n represents the nth cycle, n is an integer ≥ 1, and t=n-1.

[0111] By calculating the difference between the current actual range of the hybrid vehicle and the historical displayed range of the previous cycle, and when the range difference is greater than the preset difference threshold, energy consumption deviation prompt information is output to improve the user's perception of the vehicle's energy consumption, which is conducive to reducing the user's anxiety about range and the bad experience caused by range deviation.

[0112] All the above optional technical solutions can be arbitrarily combined to form optional embodiments of the present application, which will not be described one by one here.

[0113] Figure 7 It is a schematic diagram of the overall process of a method for determining the cruising range of a hybrid vehicle in an application example of the present application.

[0114] See also Figure 7 First, according to the 1km cumulative energy consumption of the hybrid vehicle for every 1km (short-distance instantaneous travel) (i.e. the current short-distance cumulative energy consumption value), calculate the average energy consumption of nearly 10km for the cumulative travel of 10km up to the most recent time (current cycle) (i.e. the current short-distance average energy consumption value). According to the 10km cumulative energy consumption of the hybrid vehicle for every 10km (long-distance instantaneous travel) (i.e. the current long-distance cumulative energy consumption value), calculate the average energy consumption of nearly 100km for the cumulative travel of 100km up to the most recent time (i.e. the current long-distance average energy consumption value). Then, according to the basic average energy consumption of the hybrid vehicle under the WLTC working condition, the average energy consumption of nearly 10km, and the average energy consumption of nearly 100km, calculate the comprehensive average energy consumption value. Next, according to the comprehensive average energy consumption value, the oil-to-electricity conversion coefficient and the current remaining fuel, calculate the current real cruising range of the hybrid vehicle. According to the average energy consumption of the hybrid vehicle for the cumulative 50km up to the most recent time (i.e. the current average energy consumption value for the middle distance), the first average energy consumption jump coefficient K1 is calculated, and according to the average energy consumption of the hybrid vehicle for the cumulative 50km up to the last time (the last cycle) (i.e. the historical average energy consumption value for the middle distance), the second average energy consumption jump coefficient K2 is calculated; according to the first and second average energy consumption jump coefficients K1 and K2, the cruising range correction factor α is calculated. Finally, the current real cruising range is corrected according to the cruising range correction factor to obtain the current displayed cruising range.

[0115] The following is an embodiment of the device of the present application, which can be used to execute the embodiment of the method of the present application. For details not disclosed in the embodiment of the device of the present application, please refer to the embodiment of the method of the present application.

[0116] Figure 8 is a schematic diagram of the structure of a hybrid vehicle range determination device provided in an embodiment of the present application. Figure 8 As shown, the hybrid vehicle cruising range determination device 800 includes: The travel determination module 801 is configured to determine a basic average energy consumption value of the hybrid vehicle under the global light vehicle test cycle, a current cumulative travel of the hybrid vehicle recorded up to the current cycle, and a historical cumulative travel recorded up to the previous cycle; The energy consumption determination module 802 is configured to determine the current short-distance average energy consumption value, the current medium-distance average energy consumption value and the current long-distance average energy consumption value according to the current cumulative travel; and determine the historical medium-distance average energy consumption value according to the historical cumulative travel; The correction factor determination module 803 is configured to determine the cruising range correction factor based on the basic average energy consumption value, the current medium-distance average energy consumption value, and the historical medium-distance average energy consumption value; The cruising range determination module 804 is configured to determine the current displayed cruising range of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, the current long-distance average energy consumption value and the cruising range correction factor, and display the current displayed cruising range.

[0117] In some embodiments, the correction factor determination module 803 includes: A first coefficient determination unit is configured to determine a first average energy consumption jump coefficient according to a current mid-range average energy consumption value and a basic average energy consumption value; A second coefficient determination unit is configured to determine a second average energy consumption jump coefficient according to the historical mid-distance average energy consumption value and the basic average energy consumption value; The correction factor determination unit is configured to determine the cruising range correction factor based on the first average energy consumption jump coefficient and the second average energy consumption jump coefficient.

[0118] In some embodiments, the correction factor determination unit includes: A fuzzy processing component is configured to perform fuzzy processing on the first average energy consumption jump coefficient to obtain a first fuzzy input variable, and perform fuzzy processing on the second average energy consumption jump coefficient to obtain a second fuzzy input variable; a determination component configured to determine a fuzzy output variable based on the first fuzzy input variable, the second fuzzy input variable and a preset fuzzy rule; The defuzzification component is configured to perform defuzzification processing on the fuzzy output variable to obtain a cruising range correction factor.

[0119] In some embodiments, the above-mentioned cruising range determination module 804 includes: a real mileage determination unit configured to determine a current real cruising range of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, and the current long-distance average energy consumption value; The mileage determination unit is configured to determine the current mileage of the hybrid vehicle based on the current real mileage and the mileage correction factor.

[0120] In some embodiments, the above-mentioned real mileage determination unit includes: an acquisition component configured to acquire a current remaining fuel amount and a fuel-to-electricity conversion coefficient of the hybrid vehicle; an energy consumption determination component configured to determine a comprehensive average energy consumption value of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, and the current long-distance average energy consumption value; The real mileage determination component is configured to determine the current real cruising range of the hybrid vehicle based on the current remaining fuel volume, the fuel-electric conversion coefficient and the comprehensive average energy consumption value.

[0121] In some embodiments, the above-mentioned mileage determination unit includes: a mileage difference determination component configured to determine a current cruising range difference between a current real cruising range of the hybrid vehicle in a current cycle and a historical displayed cruising range in a previous cycle; The output component is configured to output energy consumption deviation prompt information if the current cruising range difference is less than a first preset difference threshold or greater than a second preset difference threshold, wherein the first preset difference threshold is less than the second preset difference threshold.

[0122] In some embodiments, the energy consumption determination module 802 includes an energy consumption determination unit, which is configured to determine a current short-distance average energy consumption value based on a current accumulated travel distance.

[0123] The energy consumption determination unit may be specifically configured as follows: Determining the number of short-distance driving times of the hybrid vehicle in the current cumulative driving according to the current cumulative driving and the preset short-distance instantaneous driving; Determine a short-distance instantaneous energy consumption value corresponding to each short-distance instantaneous trip of the hybrid vehicle in the current cumulative trip; If the number of short-distance driving times is less than the preset number threshold, the current short-distance average energy consumption value is determined according to each short-distance instantaneous energy consumption value and the basic average energy consumption value of the hybrid vehicle in the current cumulative travel; If the number of short-distance driving times is equal to or greater than a preset number threshold, the current short-distance average energy consumption value is determined according to each short-distance instantaneous energy consumption value of the hybrid vehicle in the current accumulated travel.

[0124] It should be understood that the size of the serial numbers of the steps in the above embodiments does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0125] Fig. 9 is a schematic diagram of an electronic device 900 provided in an embodiment of the present application. Fig. 9 As shown, the electronic device 900 of this embodiment includes: a processor 901, a memory 902, and a computer program 903 stored in the memory 902 and executable on the processor 901. When the processor 901 executes the computer program 903, the steps in the above-mentioned method embodiments are implemented. Alternatively, when the processor 901 executes the computer program 903, the functions of the modules / units in the above-mentioned device embodiments are implemented.

[0126] The electronic device 900 may be a desktop computer, a notebook, a PDA, a cloud server, or other electronic device. The electronic device 900 may include, but is not limited to, a processor 901 and a memory 902. Those skilled in the art will appreciate that Fig. 9 The electronic device 900 is merely an example and does not limit the electronic device 900 . The electronic device 900 may include more or fewer components than those shown in the figure, or different components.

[0127] The processor 901 may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.

[0128] The memory 902 may be an internal storage unit of the electronic device 900, for example, a hard disk or memory of the electronic device 900. The memory 902 may also be an external storage device of the electronic device 900, for example, a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. equipped on the electronic device 900. The memory 902 may also include both an internal storage unit of the electronic device 900 and an external storage device. The memory 902 is used to store computer programs and other programs and data required by the electronic device.

[0129] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example. In actual applications, the above-mentioned functions can be assigned to different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above. The functional units and modules in the embodiments can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The above-mentioned integrated unit can be implemented in the form of hardware or in the form of software functional units.

[0130] If the integrated module / unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a readable storage medium. Based on this understanding, the present application implements all or part of the processes in the above-mentioned embodiment method, and can also be completed by instructing the relevant hardware through a computer program. The computer program can be stored in a readable storage medium, and the computer program can implement the steps of the above-mentioned various method embodiments when executed by the processor. The computer program may include computer program code, and the computer program code may be in source code form, object code form, executable file or some intermediate form. The computer readable medium may include: any entity or device capable of carrying computer program code, recording medium, U disk, mobile hard disk, magnetic disk, optical disk, computer memory, read-only memory (ROM), random access memory (RAM), electric carrier signal, telecommunication signal and software distribution medium. It should be noted that the content contained in the computer readable medium can be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction. For example, in some jurisdictions, according to legislation and patent practice, the computer readable medium does not include electric carrier signals and telecommunication signals.

[0131] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A method for determining the cruising range of a hybrid vehicle, characterized in that: include: Determining a basic average energy consumption value of a hybrid vehicle under a global light vehicle test cycle, the current cumulative mileage of the hybrid vehicle recorded up to the current cycle and the historical cumulative mileage recorded up to the previous cycle; Determine the current short-distance average energy consumption value, the current medium-distance average energy consumption value, and the current long-distance average energy consumption value according to the current accumulated travel distance; Determine the average energy consumption value of the historical mid-distance according to the historical accumulated travel distance; Determining a cruising range correction factor based on the basic average energy consumption value, the current medium-distance average energy consumption value, and the historical medium-distance average energy consumption value; Based on the basic average energy consumption value, the current short-distance average energy consumption value, the current long-distance average energy consumption value and the cruising range correction factor, the current displayed cruising range of the hybrid vehicle is determined, and the current displayed cruising range is displayed.

2. The method according to claim 1, characterized in that Based on the basic average energy consumption value, the current medium-distance average energy consumption value and the historical medium-distance average energy consumption value, a cruising range correction factor is determined, including: Determining a first average energy consumption jump coefficient according to the current mid-range average energy consumption value and the basic average energy consumption value; Determining a second average energy consumption jump coefficient according to the historical mid-distance average energy consumption value and the basic average energy consumption value; A cruising range correction factor is determined based on the first average energy consumption jump coefficient and the second average energy consumption jump coefficient.

3. The method according to claim 2, characterized in that Determining a cruising range correction factor based on the first average energy consumption jump coefficient and the second average energy consumption jump coefficient includes: Performing fuzzy processing on the first average energy consumption jump coefficient to obtain a first fuzzy input variable, and performing fuzzy processing on the second average energy consumption jump coefficient to obtain a second fuzzy input variable; Determining a fuzzy output variable based on the first fuzzy input variable, the second fuzzy input variable and a preset fuzzy rule; The fuzzy output variable is defuzzified to obtain a cruising range correction factor.

4. The method according to claim 1, characterized in that: Determining a current displayed cruising range of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, the current long-distance average energy consumption value, and the cruising range correction factor includes: Determining a current actual cruising range of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, and the current long-distance average energy consumption value; Based on the current actual cruising range and the cruising range correction factor, a current displayed cruising range of the hybrid vehicle is determined.

5. The method according to claim 4, characterized in that Determining a current real cruising range of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, and the current long-distance average energy consumption value includes: Obtaining a current remaining fuel amount and a fuel-to-electricity conversion coefficient of the hybrid vehicle; Determining a comprehensive average energy consumption value of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, and the current long-distance average energy consumption value; The current actual cruising range of the hybrid vehicle is determined according to the current remaining fuel amount, the fuel-to-electricity conversion coefficient and the comprehensive average energy consumption value.

6. The method according to claim 4 or 5, characterized in that: Determining a current displayed cruising range of the hybrid vehicle based on the current actual cruising range and the cruising range correction factor includes: Determine a current cruising range difference between a current real cruising range of the hybrid vehicle in a current cycle and a historical displayed cruising range in a previous cycle; If the current cruising range difference is less than a first preset difference threshold or greater than a second preset difference threshold, energy consumption deviation prompt information is output, wherein the first preset difference threshold is less than the second preset difference threshold.

7. The method according to claim 1, characterized in that According to the current accumulated travel distance, a current short-distance average energy consumption value is determined, including: Determining the number of short-distance driving times of the hybrid vehicle in the current cumulative driving distance according to the current cumulative driving distance and the preset short-distance instantaneous driving distance; Determining a short-distance instantaneous energy consumption value corresponding to each short-distance instantaneous trip of the hybrid vehicle in the current accumulated trip; If the number of short-distance driving times is less than a preset number threshold, determining a current short-distance average energy consumption value according to each short-distance instantaneous energy consumption value and a basic average energy consumption value of the hybrid vehicle in the current cumulative travel; If the number of short-distance driving times is equal to or greater than a preset number threshold, the current short-distance average energy consumption value is determined according to each short-distance instantaneous energy consumption value of the hybrid vehicle in the current accumulated travel.

8. A device for determining the cruising range of a hybrid vehicle, characterized in that: include: a travel determination module configured to determine a basic average energy consumption value of a hybrid vehicle under a global light vehicle test cycle, based on a current cumulative travel of the hybrid vehicle recorded up to a current cycle and a historical cumulative travel recorded up to a previous cycle; an energy consumption determination module, configured to determine a current short-distance average energy consumption value, a current medium-distance average energy consumption value, and a current long-distance average energy consumption value according to the current accumulated travel; Determine the average energy consumption value of the historical mid-distance according to the historical accumulated travel distance; a correction factor determination module configured to determine a cruising range correction factor based on the basic average energy consumption value, the current medium-distance average energy consumption value, and the historical medium-distance average energy consumption value; The cruising range determination module is configured to determine the current displayed cruising range of the hybrid vehicle based on the basic average energy consumption value, the current short-distance average energy consumption value, the current long-distance average energy consumption value and the cruising range correction factor, and display the current displayed cruising range.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the steps of the method according to any one of claims 1 to 7 are implemented.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 7 are implemented.

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