CN106143360B - Electric car and its continual mileage calculation method - Google Patents
Electric car and its continual mileage calculation method Download PDFInfo
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- CN106143360B CN106143360B CN201510188022.XA CN201510188022A CN106143360B CN 106143360 B CN106143360 B CN 106143360B CN 201510188022 A CN201510188022 A CN 201510188022A CN 106143360 B CN106143360 B CN 106143360B
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- 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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- 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
- B60R16/03—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 supply of electrical power to vehicle subsystems or for
- B60R16/033—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 supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
Abstract
The invention discloses a kind of electric car continual mileage calculation method, the calculation method is the following steps are included: multiple continual mileage associated datas of the acquisition electric car under current working；The continual mileage of corresponding current working is calculated according to multiple continual mileage associated datas；Continual mileage is shown.Electric car continual mileage calculation method of the invention, the continual mileage of acquisition are more accurate, effective.The invention also discloses a kind of electric cars using the calculation method.
Description
Technical field
The invention belongs to technical field of vehicle more particularly to a kind of electric car continual mileage calculation methods, and use
The electric car of the calculation method.
Background technique
Currently, comparing the continual mileage calculative strategy being widely used on electric car, major parameter is power battery
SOC (State of Charge, state-of-charge) value passes through SOC value and the simple linear pass of the maximum continual mileage building of calibration
System, and the corresponding continual mileage of different battery capacities is solved with this.But the calculative strategy is unable to satisfy since parameter is single
Actual demand, in addition, according to the difference of the vehicle actual condition in the variation of power battery electricity and driving conditions, using this
The continual mileage that calculative strategy calculates embodies different degrees of error.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of electric car continual mileage calculation method, the continual mileage which obtains
It is more accurate, effective.
Another object of the present invention is to propose a kind of electric car using the continual mileage calculation method.
In order to achieve the above objectives, one aspect of the present invention proposes a kind of electric car continual mileage calculation method, the calculating side
Method is the following steps are included: multiple continual mileage associated datas of the acquisition electric car under current working；According to the multiple continuous
Sail the continual mileage that mileage associated data calculates the corresponding current working；The continual mileage is shown.
Electric car continual mileage calculation method according to an embodiment of the present invention, by multiple continuous under acquisition current working
Mileage associated data is sailed, that is, considers influence of the multiple parameters to continual mileage, and then according to multiple continual mileage incidence numbers
It according to calculating continual mileage, and is shown, is calculated according to multiple associated datas of actual condition, more fitting is practical, can
To improve the correctness of continual mileage calculating, error is reduced, and improves accuracy, guarantees the validity of display.
In order to achieve the above objectives, another aspect of the present invention proposes a kind of electric car, the electric car include: CAN (CAN,
Controller Area Network, controller LAN) bus；Information acquisition system, the information acquisition system is for adopting
Collect multiple continual mileage associated datas of the electric car under current working, and the continual mileage associated data is sent to institute
State CAN bus；Information processing and display system, the information processing and display system are obtained described continuous by the CAN bus
Mileage associated data is sailed, and calculates the continual mileage of the corresponding current working according to the continual mileage associated data, and
Show the continual mileage.
Electric car according to an embodiment of the present invention is acquired by information acquisition system in multiple drivings under current working
Journey associated data, that is, consider influence of the multiple parameters to continual mileage, and then information processing and display system are according to multiple
Continual mileage associated data calculates continual mileage and is shown, is calculated according to multiple associated datas of actual condition, more
Stick on conjunction reality, the correctness of continual mileage improves, and error is reduced, and guarantees the validity of display.
Detailed description of the invention
Fig. 1 is the flow chart of electric car continual mileage calculation method according to an embodiment of the invention；
Fig. 2 is the temperature of powered cell of a specific embodiment according to the present invention and pair of the first power battery waste
Answer table；
Fig. 3 is the vehicle external environment temperature and the second power battery waste of another specific embodiment according to the present invention
Corresponding table；
Fig. 4 is the flow chart of the electric car continual mileage calculation method of another specific embodiment according to the present invention；
Fig. 5 is the block diagram of electric car according to an embodiment of the invention；
Fig. 6 is the block diagram of electric car according to another embodiment of the invention；And
Fig. 7 is the functional block diagram of electric car according to still another embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Electric car continual mileage calculation method according to an embodiment of the present invention is described with reference to the accompanying drawings and uses the meter
The electric car of calculation method.
Fig. 1 is the flow chart according to the electric car continual mileage calculation method of one embodiment of the present of invention.Such as Fig. 1 institute
Show, the electric car continual mileage calculation method the following steps are included:
S1 acquires multiple continual mileage associated datas of the electric car under current working.
Wherein, continual mileage associated data includes: the SOC value of the power battery of electric car, the temperature of power battery, electricity
Switch state, the vehicle external environment temperature of electric car and the drive mode of electric car of the air-conditioning of electrical automobile, by electricity
The analysis of electrical automobile vehicle performance and many experiments are it is found that above-mentioned associated data produces bigger effect continual mileage precision.Power
SOC value of battery is the important parameter for calculating continual mileage, still, in order to more meet actual needs, guarantees that continual mileage calculates
Accuracy and validity not only acquire the SOC value of power battery in embodiments of the present invention, each acquisition can be passed through singly
Member periodically acquires above-mentioned continual mileage associated data respectively, and the associated data of acquisition is sent to the CAN of electric car
In bus.
S2 calculates the continual mileage of corresponding current working according to multiple continual mileage associated datas.
In the continual mileage calculation method of the embodiment of the present invention, comprehensively consider in power vehicle driving conditions in driving
The Multiple factors that journey has an impact.
Specifically, the first power battery waste is obtained according to the temperature of power battery.The temperature of power battery is to power
Battery charge and discharge performance has an impact, therefore the difference of the temperature of power battery will lead to the difference of power battery waste,
In a specific embodiment of the invention, according to the influence of the temperature of power battery, under different dynamic battery mean temperature
Power battery waste i.e. the first power battery waste is demarcated, as shown in Fig. 2, for example, power battery damages when 0 DEG C corresponding
Consumption is 19.7kWh/100km (kilowatt hour/100 kms), and power battery waste is 17.0kWh/100km when 20 DEG C corresponding.
Also, drive mode coefficient is determined according to the drive mode of electric car.The drive mode of electric car is according to vehicle
The factors such as driving performance can be divided into energy-saving mode and motor pattern.In view of dynamic during different driving mode down train
The difference of power battery loss amount is enabled when electric car is energy-saving mode, power battery damage in one embodiment of the invention
Consumption drive mode coefficient is 1, and when electric car is motor pattern, it is 1.08 that drive mode coefficient, which is lost, in power battery.
Air-conditioner switch state coefficient is determined according to the switch state of air-conditioning system, specifically, the air-conditioning system of electric car
Influence of the switch state to power battery waste be mainly reflected in, need additional electric energy for sky when air-conditioning system is opened
The load of adjusting system operation, power battery increases, and power battery waste is consequently increased, and enables the air-conditioning when air-conditioning system is opened
Switch state coefficient is 1, and when air-conditioning system is closed, air-conditioning switch coefficient of regime is 0.In addition, being in open state in air-conditioning system
When, the second power battery waste is obtained according to vehicle external environment temperature, specifically, environment temperature is changed outside vehicle and is worked air-conditioning system
When energy consumption have an impact, therefore vehicle external environment temperature be also calculate continual mileage important references factor.Of the invention one
In a specific embodiment, influence according to vehicle external environment temperature to air-conditioning system working performance, at a temperature of different vehicle external environments
Power battery loss be the second power battery waste demarcated as shown in figure 3, for example, for vehicle external environment temperature be 0
DEG C when, the second power battery waste be 5.0kWh/100km (kilowatt hour/100 kms), for vehicle external environment temperature be 20 DEG C
When, the second power battery waste is 3.0kWh/100km.
In turn, the influence according to each data to continual mileage, in one embodiment of the invention, according to power battery
SOC value, nominal cell electricity, the first power battery waste, drive mode coefficient, air-conditioner switch state coefficient and second dynamic
Power battery loss amount calculates continual mileage, and specifically, continual mileage meets following formula:
Wherein, nominal cell electric quantity unit be kWh (kilowatt hour), power battery waste unit be kWh/100km (kilowatt
When/100 kms), wherein the value of the first power battery waste is referring to shown in Fig. 2, it should be noted that of the invention
In one embodiment, when the temperature of power battery is higher than 100 DEG C, the loss of the first power battery measures 100 DEG C of respective values, power
When the temperature of battery is lower than -20 DEG C, the loss of the first power battery measures -20 DEG C of respective values, the first power electric at a temperature of other
Pond waste is solved using linear relationship.In air-conditioning system work, the unit of corresponding second power battery waste is kWh/
100km, value is referring to shown in Fig. 3, it should be noted that when vehicle external environment temperature is higher than 40 DEG C, the second power battery is lost
The respective value for measuring 40 DEG C, when vehicle external environment temperature is lower than -20 DEG C, the loss of the second power battery measures -20 DEG C of respective values,
The second power battery waste at a temperature of him is solved using linear relationship.
S3 shows continual mileage.
For example, the display module by combination instrument shows the continual mileage for calculating and obtaining, influence to continue by the way that consideration is multiple
The data for sailing mileage, which calculate, obtains continual mileage, so that the continual mileage number of display is more accurate with effectively, improves electronic
The accuracy that automobile continual mileage is shown.
As a specific embodiment, as shown in figure 4, the electric car continual mileage calculation method of the embodiment of the present invention
The realization process includes:
S10, electric automobile whole power-up initializing, powers for each operational module.
Whether S11, each information acquisition unit collect continual mileage associated data.
If it is, entering step S12, otherwise continue this step.
The data of acquisition are packaged into CAN message and are sent in the CAN bus of electric car by S12.
Whether the gateway of S13, electric car detect continual mileage associated data.
If it is, entering step S14, otherwise continue this step.
Continual mileage associated data is transmitted to combination instrument by S14, gateway.
S15, the real time data that combination instrument is provided according to acquisition unit calculate the continual mileage under current working, and raw
At display information.
S16, combination instrument carry out continual mileage real-time display according to display information driving display module.
S17, judges whether electric car moves back electricity.
If it is, terminating, otherwise return step S11.
To realize above-described embodiment, another aspect of the present invention proposes a kind of electric car.
Fig. 5 is according to the block diagram of the electric car of one embodiment of the present of invention, as shown in figure 5, the electric car 100 wraps
Include information acquisition system 10, information processing and display system 20 and CAN bus 30.
Wherein, information acquisition system 10 is for acquiring multiple continual mileage associated datas of the electric car under current working
Such as the SOC value of the power battery of electric car 100, the temperature of power battery, the air-conditioning system of electric car switch state,
The vehicle external environment temperature of electric car and the drive mode of electric car, information acquisition system 10 is by continual mileage associated data
It is sent in CAN bus 30.
Further, as shown in fig. 6, information acquisition system 10 includes power battery manager 11, air-conditioning system 12 and electricity
Machine controller 13.Power battery manager 11 is used to acquire the SOC value and temperature of the power battery of electric car 100, further
Ground, as shown in fig. 7, power battery manager 11 includes battery temperature sensor 111 and battery power amount calculation device 112, wherein electricity
Pond electricity calculator 112 can accurately calculate current power battery SOC value, and battery temperature sensor 111 can be acquired accurately
The maximum temperature and minimum temperature of power battery, and then power battery manager 11 obtains the mean temperature of power battery as dynamic
The temperature of power battery.12 collecting vehicle external environment temperature of air-conditioning system simultaneously provides air-conditioner switch state, and specifically, air-conditioning system 12 is anti-
Current air-conditioner switch state is presented, and accurately front truck is worked as in acquisition by the vehicle external environment temperature sensor 121 under Air-condition system control
External environment temperature.Electric machine controller 13 determines the driving mould of electric car 100 according to the operating status of the motor of electric car 100
Formula.Wherein, power battery manager 11, air-conditioning system 12 and electric machine controller 13 respectively with such as CANH of CAN bus 30 and
Multiple continual mileage associated datas of acquisition are packaged into CAN message and are sent to CAN bus by CANL connection, information acquisition system 10
On 30.
Information processing and display system 20 pass through CAN bus 30 and obtain continual mileage associated data, and according to continual mileage
Associated data calculates the continual mileage of corresponding current working, and display continual mileage.Further, as shown in fig. 6, at information
Reason and display system 20 include gateway 21 and combination instrument 22.As shown in fig. 7, gateway 21 and combination instrument 22 are total with CAN respectively
Line 30 is connected, and gateway 21 obtains continual mileage associated data by CAN bus 30, and 21 detection information acquisition system 10 of gateway is sent
SOC value, temperature of powered cell, air-conditioner switch state, vehicle external environment temperature and the driving mould of power battery on to CAN bus 30
Formula information, and continual mileage associated data is forwarded to combination instrument 22.Combination instrument 22 receives continual mileage associated data, and
Continual mileage, and display continual mileage are calculated according to continual mileage associated data.
Further, as shown in fig. 7, combination instrument 22 includes receiving module 221, processing module 222 and display module
223.Receiving module 221 receives the continual mileage associated data that gateway 21 transmits, and in turn, processing module 222 is according to continual mileage
Associated data calculates continual mileage.Specifically, processing module 222 obtains the loss of the first power battery according to the temperature of power battery
Amount determines drive mode coefficient according to the drive mode of electric car 100 referring to shown in Fig. 2, in an implementation of the invention
It in example, enables when electric car is energy-saving mode, power battery waste drive mode coefficient is 1, when electric car is movement
When mode, it is 1.08 that drive mode coefficient, which is lost, in power battery.And processing module 222 is determined according to the switch state of air-conditioning
Air-conditioner switch state coefficient, for example, enabling the air-conditioning switch coefficient of regime when air-conditioning system is opened is 1, when air-conditioning system is closed
Air-conditioner switch state coefficient is 0.And when air-conditioning is in open state, processing module 222 obtains second according to vehicle external environment temperature
Power battery waste is referring to shown in Fig. 3.Processing module 222 is moved according to the SOC value of power battery, nominal cell electricity, first
Power battery loss amount, drive mode coefficient, air-conditioner switch state coefficient and the second power battery waste calculate continual mileage, example
Such as, processing module 222 calculates the continual mileage for obtaining corresponding current working according to formula (1), and generates display information.In turn,
223 real-time display continual mileage of display module.
Electric car according to an embodiment of the present invention is acquired by information acquisition system in multiple drivings under current working
Journey associated data, that is, consider influence of the multiple parameters to continual mileage, and then information processing and display system are according to multiple
Continual mileage associated data calculates continual mileage and is shown, is calculated according to multiple associated datas of actual condition, more
It is practical to stick on conjunction, continual mileage correctness improves, and error is reduced, and improves accuracy, guarantees the validity of display.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (9)
1. a kind of electric car continual mileage calculation method, which comprises the following steps:
Acquire multiple continual mileage associated datas of the electric car under current working, wherein the continual mileage associated data
Include: the SOC value of the power battery of the electric car, the temperature of the power battery, the electric car air-conditioning open
The drive mode of off status, the vehicle external environment temperature of the electric car and the electric car；
The continual mileage that the corresponding current working is calculated according to the multiple continual mileage associated data, specifically includes: according to
The temperature of the power battery obtains the first power battery waste, determines driving mould according to the drive mode of the electric car
Formula coefficient determines air-conditioner switch state coefficient according to the switch state of the air-conditioning, and when the air-conditioning is in open state, root
The second power battery waste is obtained according to the vehicle external environment temperature, and, according to the SOC value of the power battery, specified electricity
Pond electricity, the first power battery waste, the drive mode coefficient, the air-conditioner switch state coefficient and described second
Power battery waste calculates the continual mileage；
The continual mileage is shown.
2. electric car continual mileage calculation method as described in claim 1, which is characterized in that calculate institute according to the following formula
State continual mileage:
3. electric car continual mileage calculation method as described in claim 1, which is characterized in that the driving of the electric car
Mode includes energy-saving mode and motor pattern, determines that drive mode coefficient specifically wraps according to the drive mode of the electric car
It includes:
When the electric car is energy-saving mode, the drive mode coefficient is 1；And
When the electric car is motor pattern, the drive mode coefficient is 1.08.
4. a kind of electric car characterized by comprising
CAN bus；
Information acquisition system, the information acquisition system are used to acquire multiple continual mileages of the electric car under current working and close
Join data, and the continual mileage associated data is sent to the CAN bus, the information acquisition system includes power battery
Manager, air-conditioning system and electric machine controller, wherein the power battery manager is used to acquire the power of the electric car
The SOC value and temperature of battery, the air-conditioning system collecting vehicle external environment temperature simultaneously provide air-conditioner switch state, the motor control
Device determines the drive mode of the electric car according to the operating status of the motor of the electric car；With
Information processing and display system, the information processing and display system are used to obtain the according to the temperature of the power battery
One power battery waste, and drive mode coefficient is determined according to the drive mode of the electric car, and according to the sky
The switch state of tune determines air-conditioner switch state coefficient, and when the air-conditioning is in open state, according to the vehicle external environment temperature
Degree obtains the second power battery waste, and is moved according to the SOC value of the power battery, nominal cell electricity, described first
Meter is lost in power battery loss amount, the drive mode coefficient, the air-conditioner switch state coefficient and second power battery
Calculate the continual mileage, and the display continual mileage.
5. electric car as claimed in claim 4, which is characterized in that
Wherein, the power battery manager, the air-conditioning system and the electric machine controller connect with the CAN bus respectively
It connects.
6. electric car as claimed in claim 4, which is characterized in that the power battery manager includes:
Battery temperature sensor, for detecting the temperature of the power battery；With
Battery power amount calculation device, for calculating the electricity of the power battery.
7. electric car as claimed in claim 4, which is characterized in that the information processing and display system include:
Gateway, the gateway obtain the continual mileage associated data by the CAN bus；
Combination instrument, the combination instrument receive the continual mileage associated data, and according to the continual mileage associated data
Calculate the continual mileage, and the display continual mileage.
8. electric car as claimed in claim 7, which is characterized in that the combination instrument includes:
Receiving module, the receiving module receive the continual mileage associated data of the gateway transmission；
Processing module, the processing module calculate the continual mileage according to the continual mileage associated data；With
Display module, the display module is for showing the continual mileage.
9. electric car as claimed in claim 8, which is characterized in that the processing module calculates described continuous according to the following formula
Sail mileage:
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| CN111239606A (en) * | 2018-11-28 | 2020-06-05 | 湖南中车时代电动汽车股份有限公司 | New energy automobile power battery performance attenuation detection method |
| CN110605976A (en) * | 2019-10-23 | 2019-12-24 | 湖南恒润汽车有限公司 | Electric automobile speed mode switching system |
| CN113665432B (en) * | 2020-05-15 | 2023-07-25 | 北京新能源汽车股份有限公司 | Method and device for determining driving range of electric automobile and electric automobile |
| CN112529396A (en) * | 2020-12-07 | 2021-03-19 | 航天科技控股集团股份有限公司 | Data processing method based on index analysis of new energy automobile |
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| CN103707777A (en) * | 2013-11-20 | 2014-04-09 | 奇瑞汽车股份有限公司 | Continuous driving mileage display system of range-extending type electric car |
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