CN106553550A - The remaining mileage evaluation method of electric automobile, system and electric automobile - Google Patents
The remaining mileage evaluation method of electric automobile, system and electric automobile Download PDFInfo
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- CN106553550A CN106553550A CN201510623561.1A CN201510623561A CN106553550A CN 106553550 A CN106553550 A CN 106553550A CN 201510623561 A CN201510623561 A CN 201510623561A CN 106553550 A CN106553550 A CN 106553550A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention discloses a kind of remaining mileage evaluation method of electric automobile, system and electric automobile.Wherein, electric automobile includes electrokinetic cell, and the method includes：The instantaneous output torque and instantaneous velocity of detection electric automobile, current hundred kilometers of energy consumptions of electric automobile are obtained according to the instantaneous output torque and instantaneous velocity of electric automobile, current hundred kilometers of energy consumptions, the corresponding coefficient of energy dissipation of motion/economic model and the corresponding coefficient of energy dissipation of feedback pattern according to electric automobile are finally travelled energy consumption, final air conditioning energy consumption is obtained according to the air conditioning energy consumption and air-conditioning gear coefficient of electric automobile, the dump energy, final traveling energy consumption and final air conditioning energy consumption according to electrokinetic cell estimates the remaining mileage of electric automobile.The method of the embodiment of the present invention can more accurately estimate the remaining mileage of electric automobile, so as to provide reliable reference frame for driver.
Description
Technical field
The present invention relates to automobile technical field, the remaining mileage evaluation method of more particularly to a kind of electric automobile, system and electronic
Automobile.
Background technology
The traveling power consumption values adopted when calculating Remainder Range of Electric Vehicle in correlation technique are fixed, such as 18 kilowatts of per 100 kms
When.As shown in figure 1, the calculation of remaining mileage is in correlation technique：Remaining mileage=battery electric quantity/(traveling energy consumption × Jing
Ji/motor pattern coefficient+air conditioning energy consumption × air-conditioning gear coefficient).During electric automobile actual travel, for different operating modes
For, for example, when long descending is run into, electric automobile can be recovered energy always, power consumption values very little；When up in expressway
When sailing, electric automobile is remained a constant speed substantially, and power consumption values are also less；And when travelling in city, that is, be frequently necessary to step on the gas and
During brake, power consumption values are larger；For mountain region or climbing operating mode when, power consumption values also can be than larger, therefore under different operating modes
Traveling power consumption values be different.Therefore, the remaining driving mileage for being estimated using fixed traveling power consumption values is inaccurate.
In addition, many electric automobiles add feedback scalable button or knob at present, it is when different patterns are selected, electronic
It is in change, if calculating remaining mileage according to the method described above, due to not accounting for reclaiming that the energy brake of automobile is reclaimed
Energy, therefore, the remaining driving mileage for estimating is inaccurate.
The content of the invention
It is contemplated that at least solving one of above-mentioned technical problem to a certain extent.
For this purpose, first purpose of the present invention is the remaining mileage evaluation method for proposing a kind of electric automobile.The method can
The remaining mileage of electric automobile is estimated more accurately, so as to provide reliable reference frame for driver.
Second object of the present invention is the remaining mileage estimating system for proposing a kind of electric automobile.
Third object of the present invention is to propose a kind of electric automobile.
It is that, up to above-mentioned purpose, the embodiment of first aspect present invention proposes a kind of remaining mileage evaluation method of electric automobile,
Wherein, the electric automobile includes electrokinetic cell, the method comprising the steps of：Detect the instantaneous defeated of the electric automobile
Go out moment of torsion and instantaneous velocity；Working as the electric automobile, is obtained according to the instantaneous output torque and instantaneous velocity of the electric automobile
Front hundred kilometers of energy consumptions；Current hundred kilometers of energy consumptions, the corresponding coefficient of energy dissipation of motion/economic model according to the electric automobile and return
The corresponding coefficient of energy dissipation of feedback pattern is finally travelled energy consumption；According to the air conditioning energy consumption and air-conditioning gear coefficient of the electric automobile
Obtain final air conditioning energy consumption；Dump energy, final traveling energy consumption and the final air conditioning energy consumption according to the electrokinetic cell is estimated
Calculate the remaining mileage of the electric automobile.
The remaining mileage evaluation method of the electric automobile of the embodiment of the present invention, by the instantaneous output torque of electric automobile and instantaneously
Speed obtains current hundred kilometers of energy consumptions of electric automobile, according to hundred kilometers of energy consumptions, the corresponding coefficient of energy dissipation of motion/economic model
Energy consumption is travelled finally with the corresponding coefficient of energy dissipation of feedback pattern, the air conditioning energy consumption and air-conditioning gear system further according to electric automobile
Number obtains final air conditioning energy consumption, and the dump energy of last electrokinetic cell, final traveling energy consumption and final air conditioning energy consumption estimate electricity
The remaining mileage of electrical automobile.It is as current hundred kilometers of energy consumptions are obtained according to current working therefore more accurate, reliable,
And the energy of recovery is considered in the calculating for calculating remaining driving mileage, therefore the method can more accurately estimate electronic
The remaining mileage of automobile, so as to provide reliable reference frame for driver.
The embodiment of second aspect present invention proposes a kind of remaining mileage estimating system of electric automobile, wherein, it is described electronic
Automobile includes electrokinetic cell, and the system includes：Detection module, for detect the electric automobile instantaneous output torque and
Instantaneous velocity；Controller, the controller obtain institute for the instantaneous output torque and instantaneous velocity according to the electric automobile
Current hundred kilometers of energy consumptions of electric automobile are stated, and according to current hundred kilometers of energy consumptions, motion/economic models pair of the electric automobile
The coefficient of energy dissipation and the corresponding coefficient of energy dissipation of feedback pattern answered finally is travelled energy consumption, according to the air-conditioning energy of the electric automobile
Consumption and air-conditioning gear coefficient obtain final air conditioning energy consumption, and the dump energy according to the electrokinetic cell, finally travel energy consumption
The remaining mileage of the electric automobile is estimated with the final air conditioning energy consumption.
The remaining mileage estimating system of the electric automobile of the embodiment of the present invention, by the instantaneous output torque of electric automobile and instantaneously
Speed obtains current hundred kilometers of energy consumptions of electric automobile, according to hundred kilometers of energy consumptions, the corresponding coefficient of energy dissipation of motion/economic model
Energy consumption is travelled finally with the corresponding coefficient of energy dissipation of feedback pattern, the air conditioning energy consumption and air-conditioning gear system further according to electric automobile
Number obtains final air conditioning energy consumption, and the dump energy of last electrokinetic cell, final traveling energy consumption and final air conditioning energy consumption estimate electricity
The remaining mileage of electrical automobile.It is as current hundred kilometers of energy consumptions are obtained according to current working therefore more accurate, reliable,
And the energy of recovery is considered in the calculating for calculating remaining driving mileage, therefore the system can more accurately estimate electronic
The remaining mileage of automobile, so as to provide reliable reference frame for driver.
The embodiment of third aspect present invention discloses a kind of electric automobile, and the electric automobile includes：Above-mentioned second aspect is implemented
The remaining mileage estimating system of the electric automobile described in example.The electric automobile more accurately can be estimated in the residue of electric automobile
Journey, so as to provide reliable reference frame for driver.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will become bright from the following description
It is aobvious, or recognized by the practice of the present invention.
Description of the drawings
The present invention above-mentioned and/or additional aspect and advantage will be apparent from from the description with reference to accompanying drawings below to embodiment and
It is easy to understand, wherein：
Fig. 1 is the schematic diagram of the remaining mileage evaluation method of electric automobile in correlation technique；
Fig. 2 is the flow chart of the remaining mileage evaluation method of electric automobile according to an embodiment of the invention；
Fig. 3 is the structured flowchart of the remaining mileage estimating system of electric automobile according to an embodiment of the invention；
Fig. 4 is the structured flowchart of electric automobile according to an embodiment of the invention.
Increase the accompanying drawing of electric automobile
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein identical from start to finish
Or similar label represents same or similar element or the element with same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings remaining mileage evaluation method, system and the electric automobile of the electric automobile of the embodiment of the present invention are described.
Wherein, electric automobile includes electrokinetic cell.
Fig. 2 is the flow chart of the remaining mileage evaluation method of the electric automobile according to one embodiment of the invention.Such as Fig. 2 institutes
Show that the remaining mileage evaluation method of electric automobile according to an embodiment of the invention is comprised the following steps：
S101, detects the instantaneous output torque and instantaneous velocity of electric automobile.For example：Carry out per 100 milliseconds once instantaneous defeated
Go out the sampling of moment of torsion and instantaneous velocity.
S102, obtains current hundred kilometers of energy consumptions of electric automobile according to the instantaneous output torque and instantaneous velocity of electric automobile.
Specifically, current hundred kilometers of energy consumptions of electric automobile can be obtained in the following way：When electric automobile often travel unit away from
From when, the unit that electric automobile often travels unit distance is obtained according to the instantaneous output torque and instantaneous velocity of electric automobile first
Apart from energy consumption, then default energy consumption array is updated according to current unit distance energy consumption, finally according to default energy consumption number
The N number of unit distance Estimation of energy consumption stored in group goes out current hundred kilometers of energy consumptions of electric automobile.Wherein, unit distance is 1 public
In, default energy consumption array includes N number of unit distance energy consumption, and N is the positive integer less than or equal to 100, for example, can be 40.
On electric automobile during electricity traveling, 1 kilometer of element updated in a default energy consumption array is often travelled, when electric automobile during traveling 40
After kilometer, 40 elements in default energy consumption array update and finish, that is, obtain the energy consumption of 40 kilometers of electric automobile during traveling, root
According to energy consumption during 40 kilometers of electric automobile during traveling, the energy consumption of 100 kilometers of electric automobile during traveling is estimated, especially by formula：Hundred
Kilometer energy consumption=40 kilometer energy consumption/0.4 obtains.
It should be noted that in an embodiment of the present invention, under electric automobile during electricity, store electric automobile current hundred are public
In energy consumption；On electric automobile is next during electricity, default energy consumption number is obtained according to current hundred kilometers of energy consumptions of the electric automobile of storage
Group.
Specifically, every kilometer of energy consumption in latter 40 kilometers of current hundred kilometers of energy consumptions of the electric automobile of storage is set to into one
Element, constitutes an array for including 40 elements, first element of the array be storage current hundred kilometers of energy consumptions in the
61 kilometers of energy consumption, by that analogy, last element is the 100th kilometer in current hundred kilometers of energy consumptions of energy consumption, the array
As above-mentioned default energy consumption array.Select rear 40 kilometers of energy consumptions of current hundred kilometers of energy consumptions as default energy consumption array, be because
Driving cycle on next electric automobile during electricity traveling may compare close with above-mentioned latter 40 kilometers driving cycle, make estimation
As a result it is relatively more accurate.
It is pointed out that before electric automobile goes up electricity for the first time, initialized hundred kilometers of energy consumptions are set in system, this hundred
Kilometer energy consumption can be hundred kilometers of power consumption values in correlation technique, or rule of thumb set.
S103, the current hundred kilometers of energy consumptions, the corresponding coefficient of energy dissipation of motion/economic model and feedback pattern pair according to electric automobile
The coefficient of energy dissipation answered finally is travelled energy consumption.
Wherein, the economic model of electric automobile is the pattern of relative energy-conservation, limits torque range, and control electric current output is right
The coefficient of energy dissipation answered is little；Motor pattern is the high pattern of relative energy consumption, does not limit moment of torsion, and corresponding coefficient of energy dissipation is big.User
Motion switch pattern and economic model can voluntarily be selected according to the driving cycle of electric automobile.Feedback pattern refers to electronic vapour
The energy feedback of car, including the braking energy feedback and electric automobile of electric automobile slide energy feedback.When electric automobile is selected
During feedback pattern, motor press generator operation, the kinetic energy of electric automobile is converted into into electric energy, can auxiliary braking, return
Receive energy to charge a battery, extend the remaining mileage of electric automobile.
S104, obtains final air conditioning energy consumption according to the air conditioning energy consumption and air-conditioning gear coefficient of electric automobile.
S105, the dump energy, final traveling energy consumption and final air conditioning energy consumption according to electrokinetic cell estimate the surplus of electric automobile
Remaining mileage.
Specifically, the dump energy of electric automobile power battery is obtained, according to formula：Remaining mileage=the power current of electric automobile
The dump energy in pond/(finally travelling energy consumption+final air conditioning energy consumption), obtains the remaining mileage of electric automobile.
Wherein, the dump energy of electric automobile power battery can pass through BMS (Battery Management System, battery
Management system) obtain.
The remaining mileage evaluation method of the electric automobile of the embodiment of the present invention, by the instantaneous output torque of electric automobile and instantaneously
Speed obtains current hundred kilometers of energy consumptions of electric automobile, according to hundred kilometers of energy consumptions, the corresponding coefficient of energy dissipation of motion/economic model
Energy consumption is travelled finally with the corresponding coefficient of energy dissipation of feedback pattern, the air conditioning energy consumption and air-conditioning gear system further according to electric automobile
Number obtains final air conditioning energy consumption, and the dump energy of last electrokinetic cell, final traveling energy consumption and final air conditioning energy consumption estimate electricity
The remaining mileage of electrical automobile.It is as current hundred kilometers of energy consumptions are obtained according to current working therefore more accurate, reliable,
And the energy of recovery is considered in the calculating for calculating remaining driving mileage, therefore the method can more accurately estimate electronic
The remaining mileage of automobile, so as to provide reliable reference frame for driver.
In order to realize above-described embodiment, the invention allows for the remaining mileage estimating system of an electric automobile.
Fig. 3 is the structured flowchart of the remaining mileage estimating system of electric automobile according to an embodiment of the invention.
As shown in figure 3, the remaining mileage estimating system of the electric automobile includes：Detection module 10 and controller 20.
Specifically, detection module 10 is used for the instantaneous output torque and instantaneous velocity for detecting electric automobile.Controller 20 is used for
Current hundred kilometers of energy consumptions of electric automobile are obtained according to the instantaneous output torque and instantaneous velocity of electric automobile, and according to electronic vapour
Current hundred kilometers of energy consumptions of car, the corresponding coefficient of energy dissipation of motion/economic model and the corresponding coefficient of energy dissipation of feedback pattern are obtained finally
Traveling energy consumption, obtains final air conditioning energy consumption according to the air conditioning energy consumption and air-conditioning gear coefficient of electric automobile, and according to power current
The dump energy in pond, final traveling energy consumption and final air conditioning energy consumption estimate the remaining mileage of electric automobile.
In an embodiment of the present invention, controller 20 is additionally operable to when electric automobile often travels unit distance, first according to electronic
The instantaneous output torque and instantaneous velocity of automobile obtains the unit distance energy consumption that electric automobile often travels unit distance, then basis
Current unit distance energy consumption is updated to default energy consumption array, finally according to the N number of unit stored in default energy consumption array
Go out current hundred kilometers of energy consumptions of electric automobile apart from Estimation of energy consumption.Wherein, unit distance is 1 kilometer, presets energy consumption array bag
N number of unit distance energy consumption is included, N is the positive integer less than or equal to 100, for example, can be 40.
In an embodiment of the present invention, the economic model of electric automobile is most energy saver mode, limits torque range, control electric current
Output, corresponding coefficient of energy dissipation are little；Motor pattern is time energy saver mode, does not limit moment of torsion, and corresponding coefficient of energy dissipation is big.With
Family can voluntarily select motion switch pattern and economic model according to the driving cycle of electric automobile.Feedback pattern refers to electronic
The energy feedback of automobile, including the braking energy feedback and electric automobile of electric automobile slide energy feedback.When electric automobile is selected
When selecting feedback pattern, motor press generator operation, the kinetic energy of electric automobile is converted into into electric energy, can auxiliary braking,
Recover energy and charge a battery, extend the remaining mileage of electric automobile.
In an embodiment of the present invention, the remaining mileage estimating system of electric automobile, also includes：Memory module 30, for depositing
Current hundred kilometers of energy consumptions of storing up electricity electrical automobile.
Wherein, memory module can select Eeprom (Electrically Erasable Programmable Read-Only Memory,
EEPROM), current hundred kilometers of energy consumptions of the electric automobile of storage can be used as electricity on next electric automobile
When, the initial value of hundred kilometers of default energy consumption arrays.On next electric automobile during electricity, controller 20 can be according to the current list of next time
Position is updated to above-mentioned hundred kilometers of default energy consumption array initial values apart from energy consumption.
In an embodiment of the present invention, when controller 20 is additionally operable to the electricity under electric automobile, write to memory module 30 electronic
Current hundred kilometers of energy consumptions of automobile, and on electric automobile during electricity, according to the electric automobile being stored in memory module 30
Current hundred kilometers of energy consumptions obtain default energy consumption array.
In an embodiment of the present invention, controller 20 is additionally operable to the dump energy for obtaining electrokinetic cell, according to formula：Electronic vapour
The dump energy of the remaining mileage=electrokinetic cell of car/(finally travelling energy consumption+final air conditioning energy consumption) obtains the residue of electric automobile
Mileage.Specifically, dump energy can be obtained by BMS (Battery Management System, battery management system).
The remaining mileage estimating system of the electric automobile of the embodiment of the present invention, by the instantaneous output torque of electric automobile and instantaneously
Speed obtains current hundred kilometers of energy consumptions of electric automobile, according to hundred kilometers of energy consumptions, the corresponding coefficient of energy dissipation of motion/economic model
Energy consumption is travelled finally with the corresponding coefficient of energy dissipation of feedback pattern, the air conditioning energy consumption and air-conditioning gear system further according to electric automobile
Number obtains final air conditioning energy consumption, and the dump energy of last electrokinetic cell, final traveling energy consumption and final air conditioning energy consumption estimate electricity
The remaining mileage of electrical automobile.It is as current hundred kilometers of energy consumptions are obtained according to current working therefore more accurate, reliable,
And the energy of recovery is considered in the calculating for calculating remaining driving mileage, therefore the system can more accurately estimate electronic
The remaining mileage of automobile, so as to provide reliable reference frame for driver.
It should be noted that the specific implementation of the remaining mileage estimating system of the electric automobile of the embodiment of the present invention with this
The specific implementation of the remaining mileage evaluation method of the electric automobile of bright embodiment is similar to, and specifically refers to retouching for method part
State, in order to reduce redundancy, do not repeat herein.
Fig. 4 is the structured flowchart of electric automobile according to an embodiment of the invention.
As shown in figure 4, the electric automobile 100, including the remaining mileage estimating system of the electric automobile described in above-described embodiment.
The electric automobile can more accurately estimate the remaining mileage of electric automobile, so as to provide reliable reference frame for driver.
In addition, other of electric automobile according to embodiments of the present invention are constituted and are acted on for one of ordinary skill in the art
For be all, it is known that in order to reduce redundancy, do not repeat herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specific example ",
Or the description of " some examples " etc. means the specific features, structure, material or the feature bag that describe with reference to the embodiment or example
It is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term necessarily
It is directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be arbitrary
Combined in individual or multiple embodiments or example in an appropriate manner.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments or example described in this specification and different embodiments or example can be combined by art personnel
And combination.
Additionally, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or hidden
Include at least one this feature containing ground.
In flow chart or here any process described otherwise above or method description are construed as, expression includes one
Or more module, fragment or parts for being used for the code of executable instruction the step of realize specific logical function or process,
And the scope of the preferred embodiment of the present invention includes other realization, wherein order that is shown or discussing can not be pressed,
Including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be by the present invention's
Embodiment person of ordinary skill in the field understood.
Expression or here logic described otherwise above and/or step, for example, are considered for reality in flow charts
The order list of the executable instruction of existing logic function, may be embodied in any computer-readable medium, for instruction
Execution system, device or equipment (as computer based system, the system including processor or other can perform from instruction
The system of system, device or equipment instruction fetch execute instruction) use, or with reference to these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicating, propagating
Or transmission procedure is used for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Device.The more specifically example (non-exhaustive list) of computer-readable medium is including following：With one or more cloth
The electrical connection section (electronic installation) of line, portable computer diskette box (magnetic device), random access memory (RAM), only
Reading memorizer (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and
Portable optic disk read-only storage (CDROM).In addition, computer-readable medium can even is that can print described thereon
The paper of program or other suitable media, because for example by carrying out optical scanning to paper or other media then can carry out
Editor, interpretation are processed to electronically obtain described program with other suitable methods if necessary, are then stored
In computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.In above-mentioned reality
Apply in mode, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage or
Firmware is realizing.For example, if realized with hardware, and in another embodiment, can be with well known in the art
Any one of row technology or their combination are realizing：With for the logic gates of logic function is realized to data signal
Discrete logic, the special IC with suitable combinational logic gate circuit, programmable gate array (PGA) are existing
Field programmable gate array (FPGA) etc..
Those skilled in the art be appreciated that to realize all or part of step that above-described embodiment method is carried is can
The hardware of correlation is instructed to complete with by program, described program can be stored in a kind of computer-readable recording medium,
The program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, during each functional unit in each embodiment of the invention can be integrated in a processing module, or each
Individual unit is individually physically present, it is also possible to which two or more units are integrated in a module.Above-mentioned integrated module was both
Can be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.If the integrated module with
The form of software function module is realized and as when independent production marketing or use, it is also possible to be stored in a computer-readable
Take in storage medium.
Storage medium mentioned above can be read only memory, disk or CD etc..Although having been shown and described above
Embodiments of the invention, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as limitation of the present invention,
One of ordinary skill in the art can be changed to above-described embodiment within the scope of the invention, change, replacing and modification.
Claims (11)
1. the remaining mileage evaluation method of a kind of electric automobile, it is characterised in that the electric automobile includes electrokinetic cell, institute
The method of stating is comprised the following steps：
Detect the instantaneous output torque and instantaneous velocity of the electric automobile；
Current hundred kilometers of energy consumptions of the electric automobile are obtained according to the instantaneous output torque and instantaneous velocity of the electric automobile；
Current hundred kilometers of energy consumptions, the corresponding coefficient of energy dissipation of motion/economic model according to the electric automobile are corresponding with feedback pattern
Coefficient of energy dissipation finally travelled energy consumption；
Final air conditioning energy consumption is obtained according to the air conditioning energy consumption and air-conditioning gear coefficient of the electric automobile；
Dump energy, final traveling energy consumption and the final air conditioning energy consumption according to the electrokinetic cell estimates the electronic vapour
The remaining mileage of car.
2. the remaining mileage evaluation method of electric automobile according to claim 1, it is characterised in that described in the basis
The instantaneous output torque and instantaneous velocity of electric automobile obtains current hundred kilometers of energy consumptions of the electric automobile, further includes：
When the electric automobile often travels unit distance, obtained according to the instantaneous output torque and instantaneous velocity of the electric automobile
The unit distance energy consumption of unit distance is travelled often to the electric automobile；
Default energy consumption array is updated according to current unit distance energy consumption, wherein, the default energy consumption array includes N
Individual unit distance energy consumption, the N are the positive integer less than or equal to 100.
N number of unit distance Estimation of energy consumption according to storing in the default energy consumption array goes out current hundred kilometers of the electric automobile
Energy consumption.
3. the remaining mileage evaluation method of electric automobile according to claim 2, it is characterised in that the unit distance
For 1 kilometer, the N is 40.
4. the remaining mileage evaluation method of electric automobile according to claim 2, it is characterised in that
Under the electric automobile during electricity, current hundred kilometers of energy consumptions of the electric automobile are stored；
On the electric automobile during electricity, the default energy is obtained according to current hundred kilometers of energy consumptions of the electric automobile of storage
Consumption array.
5. the remaining mileage evaluation method of electric automobile according to claim 1, it is characterised in that described in the basis
The dump energy of electrokinetic cell, final traveling energy consumption and the final air conditioning energy consumption estimate the remaining mileage of the electric automobile,
Further include：
Obtain the dump energy of the electrokinetic cell；
The remaining mileage of the electric automobile is obtained according to equation below, wherein, the formula is：
The dump energy of the remaining mileage of the electric automobile=electrokinetic cell/(the final traveling energy consumption+final sky
Adjust energy consumption).
6. the remaining mileage estimating system of a kind of electric automobile, it is characterised in that the electric automobile includes electrokinetic cell, institute
The system of stating includes：
Detection module, for detecting the instantaneous output torque and instantaneous velocity of the electric automobile；
Controller, the controller is for obtaining described electronic according to the instantaneous output torque and instantaneous velocity of the electric automobile
Current hundred kilometers of energy consumptions of automobile, and current hundred kilometers of energy consumptions according to the electric automobile, the corresponding energy of motion/economic model
Consumption coefficient and the corresponding coefficient of energy dissipation of feedback pattern are finally travelled energy consumption, according to the air conditioning energy consumption and sky of the electric automobile
Potential coefficient of transferring the files obtains final air conditioning energy consumption, and the dump energy according to the electrokinetic cell, final traveling energy consumption and described
Final air conditioning energy consumption estimates the remaining mileage of the electric automobile.
7. the remaining mileage estimating system of electric automobile according to claim 6, it is characterised in that the controller is used
In：
When the electric automobile often travels unit distance, obtained according to the instantaneous output torque and instantaneous velocity of the electric automobile
The unit distance energy consumption of unit distance is travelled often to the electric automobile；
Default energy consumption array is updated according to current unit distance energy consumption, wherein, the default energy consumption array includes N
Individual unit distance energy consumption, the N are the positive integer less than or equal to 100.
N number of unit distance Estimation of energy consumption according to storing in the default energy consumption array goes out current hundred kilometers of the electric automobile
Energy consumption.
8. the remaining mileage estimating system of electric automobile according to claim 7, it is characterised in that the unit distance
For 1 kilometer, the N is 40.
9. the remaining mileage estimating system of electric automobile according to claim 7, it is characterised in that also include：
Memory module, for storing current hundred kilometers of energy consumptions of the electric automobile, the controller is additionally operable to described electronic
Under automobile during electricity, current hundred kilometers of energy consumptions of the electric automobile are write to the memory module, and on the electric automobile
When electric, the default energy consumption is obtained according to current hundred kilometers of energy consumptions of the electric automobile being stored in the memory module
Array.
10. the remaining mileage estimating system of electric automobile according to claim 6, it is characterised in that the controller
For：
Obtain the dump energy of the electrokinetic cell；
The remaining mileage of the electric automobile is obtained according to equation below, wherein, the formula is：
The dump energy of the remaining mileage of the electric automobile=electrokinetic cell/(the final traveling energy consumption+final sky
Adjust energy consumption).
11. a kind of electric automobiles, it is characterised in that include：Electric automobile according to any one of claim 6-10
Remaining mileage estimating system.
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| CN201510623561.1A CN106553550A (en) | 2015-09-25 | 2015-09-25 | The remaining mileage evaluation method of electric automobile, system and electric automobile |
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| CN108790860A (en) * | 2018-04-18 | 2018-11-13 | 浙江吉利汽车研究院有限公司 | Mileage computational methods, system and automobile |
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| CN109552050A (en) * | 2018-11-22 | 2019-04-02 | 上海元城汽车技术有限公司 | Electric vehicle average current drain determines method and apparatus |
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