CN109684756A - A kind of energy consumption of vehicles analysis method, device and host computer - Google Patents
A kind of energy consumption of vehicles analysis method, device and host computer Download PDFInfo
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- CN109684756A CN109684756A CN201811622109.3A CN201811622109A CN109684756A CN 109684756 A CN109684756 A CN 109684756A CN 201811622109 A CN201811622109 A CN 201811622109A CN 109684756 A CN109684756 A CN 109684756A
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 122
- 238000004458 analytical method Methods 0.000 title claims abstract description 29
- 230000008859 change Effects 0.000 claims abstract description 53
- 238000013461 design Methods 0.000 claims abstract description 23
- 238000010206 sensitivity analysis Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims description 23
- 238000012545 processing Methods 0.000 claims description 18
- 238000004590 computer program Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 4
- 238000011161 development Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
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- 230000006870 function Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
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- 230000003116 impacting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
Abstract
The embodiment provides a kind of energy consumption of vehicles analysis method, device and host computers, wherein method includes: to carry out sensitivity analysis to the influence factor for influencing energy consumption of vehicles, obtains the corresponding relationship between the change rate of influence factor and the energy consumption change rate of vehicle；According to the corresponding relationship between the change rate of influence factor and energy consumption change rate, the energy consumption weight of influence factor is determined；According to the energy consumption weight of influence factor and the energy consumption of vehicles target value pre-entered, the target design value of influence factor is obtained.Technical solution provided by the present invention, by carrying out sensitivity analysis to the influence factor for influencing energy consumption of vehicles, obtain the energy consumption weight of each influence factor, and combine preset energy consumption of vehicles target value, obtain the target design value of influence factor, so that those skilled in the art can carry out purposive design and production to components involved in influence factor, the development time of vehicle is greatly reduced and is conducive to save development cost.
Description
Technical field
The present invention relates to vehicle development technical field, in particular to a kind of energy consumption of vehicles analysis method, device and host computer.
Background technique
During vehicle development, the energy consumption of vehicle is to influence an important indicator of vehicle development, to guarantee to have developed
Energy consumption after reaches default power dissipation obj ectives, each influence factor that will affect energy consumption of vehicles in design and trial-production takes one
After experiment value, NEDC (new Europe driving pattern, New European Driving Cycle) working condition measurement is carried out to vehicle, and
By repeatedly adjusting the value of influence factor, and then it is determined for compliance with the design scheme of requirement.Such method is time-consuming and laborious, so that exploitation
Period is longer and higher cost.
Summary of the invention
Technical problems to be solved of the embodiment of the present invention are to provide a kind of energy consumption of vehicles analysis method, device and host computer,
To solve currently to be to reach target energy consumption to need rule of thumb to choose the value of influence factor, and pass through in the vehicle development stage
Test determines that the process of design scheme is time-consuming and laborious after being adjusted, so that the problem of development cycle is longer and higher cost.
In order to solve the above technical problems, the embodiment of the invention provides a kind of energy consumption of vehicles analysis methods, comprising:
Sensitivity analysis is carried out to the influence factor for influencing energy consumption of vehicles, obtains the change rate of influence factor and the energy of vehicle
Consume the corresponding relationship between change rate；
According to the corresponding relationship between the change rate of influence factor and energy consumption change rate, the energy consumption power of influence factor is determined
Weight；
According to the energy consumption weight of influence factor and the energy consumption of vehicles target value pre-entered, the target of influence factor is obtained
Design value.
Specifically, energy consumption of vehicles analysis method as described above, influence factor include:
Vehicle basic parameter, transmission system efficiency and Brake energy recovery rate；
Wherein, vehicle basic parameter includes: kerb weight, tire drag and windage；
Transmission system efficiency includes: that electric efficiency, retarder efficiency and caliper drag torque.
Preferably, energy consumption of vehicles analysis method as described above, the quantity of influence factor are at least two, to influence vehicle
The influence factor of energy consumption carries out sensitivity analysis, obtains corresponding between the change rate of influence factor and the energy consumption change rate of vehicle
The step of relationship, comprising:
Each influence factor is successively chosen as object effects factor；
Multiple target values of the object effects factor in default value range are emulated, each target value is obtained
Corresponding continual mileage and energy consumption, wherein be spaced a preset difference value between two neighboring target value；
According to continual mileage and energy consumption corresponding to target value and each target value, object effects factor is obtained
Change rate and energy consumption change rate between corresponding relationship.
Another preferred embodiment of the invention additionally provides a kind of energy consumption of vehicles analytical equipment, comprising:
First processing module obtains influence factor for carrying out sensitivity analysis to the influence factor for influencing energy consumption of vehicles
Change rate and vehicle energy consumption change rate between corresponding relationship；
Second processing module is determined for the corresponding relationship between the change rate and energy consumption change rate according to influence factor
The energy consumption weight of influence factor；
Third processing module, for according to the energy consumption weight of influence factor and the energy consumption of vehicles target value pre-entered,
Obtain the target design value of influence factor.
Specifically, energy consumption of vehicles analytical equipment as described above, first processing module include:
Selection unit, for successively choosing each influence factor as object effects factor；
First processing units, for imitating multiple target values of the object effects factor in default value range
Very, continual mileage and energy consumption corresponding to each target value are obtained, wherein it is pre- that one is spaced between two neighboring target value
If difference；
The second processing unit, for continual mileage and energy according to corresponding to target value and each target value
Consumption, obtains the corresponding relationship between the change rate of object effects factor and energy consumption change rate.
Another preferred embodiment of the invention additionally provides a kind of host computer, including processor, memory and is stored in
On reservoir and the computer program that can run on a processor, vehicle as described above is realized when computer program is executed by processor
The step of energy consumption analysis method.
Further embodiment of the invention additionally provides a kind of computer readable storage medium, computer-readable storage medium
Computer program is stored in matter, computer program realizes energy consumption of vehicles analysis method as described above when being executed by processor
The step of.
Compared with prior art, a kind of energy consumption of vehicles analysis method, device and host computer provided in an embodiment of the present invention, until
It has the advantages that less
The embodiment of the present invention, by influence energy consumption of vehicles influence factor carry out sensitivity analysis, obtain influence because
Corresponding relationship between the change rate of element and the energy consumption change rate of vehicle, obtains influence journey of each influence factor to energy consumption accordingly
Degree, and be indicated in the form of energy consumption weight, influence factor can be obtained in conjunction with preset energy consumption of vehicles target value
Target design value, those skilled in the art can be to involved in influence factor zero according to the target design value of influence factor
Component carries out purposive design and production.Compared to existing by rule of thumb carrying out value, and by test of many times into
Row adjusts and determines the mode of final value, avoids same components according to the different values of influence factor in test process
Middle needs carry out the waste of time and cost caused by repeatedly adjusting, and the development time of vehicle is greatly reduced and is conducive to save
About development cost.
Detailed description of the invention
Fig. 1 is one of the flow diagram of energy consumption of vehicles analysis method of the invention；
Fig. 2 is the two of the flow diagram of energy consumption of vehicles analysis method of the invention；
Fig. 3 is the structural schematic diagram of energy consumption of vehicles analytical equipment of the invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.In the following description, such as specific configuration is provided and the specific detail of component is only
In order to help comprehensive understanding the embodiment of the present invention.It therefore, it will be apparent to those skilled in the art that can be to reality described herein
Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, it is omitted pair
The description of known function and construction.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot
Structure or characteristic can combine in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be appreciated that the size of the serial number of following each processes is not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit
In three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.
In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
In embodiment provided herein, it should be appreciated that " B corresponding with A " indicates that B is associated with A, can be with according to A
Determine B.It is also to be understood that determine that B is not meant to determine B only according to A according to A, it can also be according to A and/or other information
Determine B.
Referring to Fig. 1, a preferred embodiment of the present invention provides a kind of energy consumption of vehicles analysis method, comprising:
Step S101 carries out sensitivity analysis to the influence factor for influencing energy consumption of vehicles, obtains the change rate of influence factor
Corresponding relationship between the energy consumption change rate of vehicle；
Step S102 determines influence factor according to the corresponding relationship between the change rate of influence factor and energy consumption change rate
Energy consumption weight；
Step S103 is influenced according to the energy consumption weight of influence factor and the energy consumption of vehicles target value pre-entered
The target design value of factor.
In an embodiment of the present invention, since influence degree of the different affecting factors to energy consumption of vehicles is different, first to shadow
Ring energy consumption of vehicles influence factor carry out sensitivity analysis, obtain influence factor from change when change rate and energy consumption of vehicles according to
The variation of influence factor and the corresponding relationship between the energy consumption change rate that changes, obtain each influence factor to energy consumption accordingly
Influence degree, and be indicated in the form of energy consumption weight, shadow can be obtained in conjunction with preset energy consumption of vehicles target value
The target design value of the factor of sound, those skilled in the art can be to involved by influence factor according to the target design value of influence factor
And components carry out purposive design and production.Compared to existing by rule of thumb carrying out value, and by multiple
Test is adjusted and determines the mode of final value, avoids and is being tried same components according to the different values of influence factor
The waste of time and cost caused by needing repeatedly to be adjusted during testing, is greatly reduced the development time of vehicle and has
Conducive to saving development cost.Wherein, the energy consumption of vehicles target value pre-entered be technical staff according to vehicle to battery capacity with
And the demand of mileage travelled is set.
Specifically, energy consumption of vehicles analysis method as described above, influence factor include:
Vehicle basic parameter, transmission system efficiency and Brake energy recovery rate；
Wherein, vehicle basic parameter includes: kerb weight, tire drag and windage；
Transmission system efficiency includes: that electric efficiency, retarder efficiency and caliper drag torque.
In an embodiment of the present invention, influenced in actual moving process according to vehicle the speed of vehicle, mileage travelled or
The factor of battery capacity determines that the influence factor for influencing energy consumption of vehicles includes at least: kerb weight, the tire of vehicle roll resistance
Power, windage, electric efficiency, retarder efficiency, caliper drag torque and Brake energy recovery rate；So that in vehicle development mistake
Consider to be related to the influence factor of energy consumption of vehicles comprehensively in journey, is conducive to reduce the technical solution and actual demand after the completion of designing
Error between technical solution.
Referring to fig. 2, it is preferable that energy consumption of vehicles analysis method as described above, the quantity of influence factor is at least two, right
Influence energy consumption of vehicles influence factor carry out sensitivity analysis, obtain influence factor change rate and vehicle energy consumption change rate it
Between corresponding relationship the step of, comprising:
Step S201 successively chooses each influence factor as object effects factor；
Step S202 emulates multiple target values of the object effects factor in default value range, obtains every
Continual mileage and energy consumption corresponding to one target value, wherein be spaced a preset difference value between two neighboring target value；
Step S203 obtains mesh according to continual mileage and energy consumption corresponding to target value and each target value
Mark the corresponding relationship between the change rate and energy consumption change rate of influence factor.
In an embodiment of the present invention, when carrying out sensitivity analysis to influence factor, to guarantee accuracy when analysis,
It avoids other influences factor from impacting analysis result, needs successively to choose each influence factor as object effects factor；
Multiple target values are taken to be emulated to obtain driving corresponding to each target value respectively object effects factor in analysis
Mileage and energy consumption, and then obtain the corresponding relationship between the change rate of object effects factor and energy consumption change rate.Wherein, target
It is value in the default value range of object effects factor that value, which is multiple, and interval one is pre- between two adjacent target values
If difference, the accuracy for the corresponding relationship that accidental error improves is advantageously reduced；Default value range is by object effects
The empirical value of factor is as value range obtained from a reference value and two-way expansion, so that the target of finally obtained influence factor
Design value is in default value range, and the gap for avoiding value range and finally obtained target design value is excessive caused
Error is conducive to the accuracy for improving obtained corresponding relationship.Specifically, according to the difference of influence factor, each influence factor
Corresponding default value range and preset difference value are also not quite similar.
Referring to Fig. 3, another preferred embodiment of the invention additionally provides a kind of energy consumption of vehicles analytical equipment, comprising:
First processing module 301, for influence energy consumption of vehicles influence factor carry out sensitivity analysis, obtain influence because
Corresponding relationship between the change rate of element and the energy consumption change rate of vehicle；
Second processing module 302, for the corresponding relationship between the change rate and energy consumption change rate according to influence factor, really
Determine the energy consumption weight of influence factor；
Third processing module 303, for according to the energy consumption weight of influence factor and the energy consumption of vehicles target pre-entered
Value, obtains the target design value of influence factor.
Specifically, energy consumption of vehicles analytical equipment as described above, first processing module include:
Selection unit 3011, for successively choosing each influence factor as object effects factor；
First processing units 3012, for being carried out to multiple target values of the object effects factor in default value range
Emulation, obtains continual mileage and energy consumption corresponding to each target value, wherein be spaced one between two neighboring target value
Preset difference value；
The second processing unit 3013, for the continual mileage according to corresponding to target value and each target value and
Energy consumption obtains the corresponding relationship between the change rate of object effects factor and energy consumption change rate.
Energy consumption of vehicles analytical equipment embodiment of the invention is corresponding with the embodiment of above-mentioned energy consumption of vehicles analysis method
Device, all technological means in above-mentioned energy consumption of vehicles analysis method embodiment are suitable for the reality of the energy consumption of vehicles analytical equipment
It applies in example, can also reach identical technical effect.
Another preferred embodiment of the invention additionally provides a kind of host computer, including processor, memory and is stored in
On reservoir and the computer program that can run on a processor, vehicle as described above is realized when computer program is executed by processor
The step of energy consumption analysis method.
Computer program in the host computer provided by the embodiment of the present invention is able to achieve as described above when executed
Energy consumption of vehicles analysis method the step of, obtain the target design value of influence factor, enable technical staff according to target design
Value carries out the design of components, reduce according to the different values of influence factor by same components need during the test into
Row repeatedly adjustment caused by time and cost waste, be greatly reduced the development time of vehicle and be conducive to save exploitation at
This.
Further embodiment of the invention additionally provides a kind of computer readable storage medium, computer-readable storage medium
Computer program is stored in matter, computer program realizes energy consumption of vehicles analysis method as described above when being executed by processor
The step of.
In addition, the present invention can in different examples repeat reference numerals and/or letter.This repetition be in order to simplify and
Clear purpose itself does not indicate the relationship between discussed various embodiments and/or setting.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of energy consumption of vehicles analysis method characterized by comprising
Sensitivity analysis is carried out to the influence factor for influencing energy consumption of vehicles, obtains the change rate of the influence factor and the energy of vehicle
Consume the corresponding relationship between change rate；
According to the corresponding relationship between the change rate of the influence factor and the energy consumption change rate, the influence factor is determined
Energy consumption weight；
According to the energy consumption weight of the influence factor and the energy consumption of vehicles target value pre-entered, the influence factor is obtained
Target design value.
2. energy consumption of vehicles analysis method according to claim 1, which is characterized in that the influence factor includes:
Vehicle basic parameter, transmission system efficiency and Brake energy recovery rate；
Wherein, the vehicle basic parameter includes: kerb weight, tire drag and windage；
The transmission system efficiency includes: that electric efficiency, retarder efficiency and caliper drag torque.
3. energy consumption of vehicles analysis method according to claim 1, which is characterized in that the quantity of the influence factor is at least
Two, the influence factor of described pair of influence energy consumption of vehicles carries out sensitivity analysis, obtains the change rate and vehicle of the influence factor
Energy consumption change rate between corresponding relationship the step of, comprising:
Each influence factor is successively chosen as object effects factor；
Multiple target values of the object effects factor in default value range are emulated, each target is obtained
Continual mileage corresponding to value and energy consumption, wherein be spaced a preset difference value between the two neighboring target value；
According to the continual mileage and the energy consumption corresponding to the target value and each target value, obtain
Corresponding relationship between the change rate of the object effects factor and the energy consumption change rate.
4. a kind of energy consumption of vehicles analytical equipment characterized by comprising
First processing module obtains the influence factor for carrying out sensitivity analysis to the influence factor for influencing energy consumption of vehicles
Change rate and vehicle energy consumption change rate between corresponding relationship；
Second processing module, for the corresponding relationship between the change rate and the energy consumption change rate according to the influence factor,
Determine the energy consumption weight of the influence factor；
Third processing module, for according to the energy consumption weight of the influence factor and the energy consumption of vehicles target value pre-entered,
Obtain the target design value of the influence factor.
5. energy consumption of vehicles analytical equipment according to claim 4, which is characterized in that the first processing module includes:
Selection unit, for successively choosing each influence factor as object effects factor；
First processing units, for imitating multiple target values of the object effects factor in default value range
Very, continual mileage and energy consumption corresponding to each target value are obtained, wherein between the two neighboring target value
It is spaced a preset difference value；
The second processing unit, for the continual mileage according to corresponding to the target value and each target value
And the energy consumption, obtain the corresponding relationship between the change rate of the object effects factor and the energy consumption change rate.
6. a kind of host computer, which is characterized in that including processor, memory and be stored on the memory and can be at the place
The computer program run on reason device is realized when the computer program is executed by the processor as appointed in claims 1 to 3
The step of one energy consumption of vehicles analysis method.
7. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program, the computer program realize energy consumption of vehicles as claimed any one in claims 1 to 3 point when being executed by processor
The step of analysis method.
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| CN111539652A (en) * | 2020-05-14 | 2020-08-14 | 泛海物业管理有限公司 | Building energy management system and method based on Internet of things |
| CN112560161A (en) * | 2019-09-10 | 2021-03-26 | 北京新能源汽车股份有限公司 | Vehicle acceleration influence degree determining method and device and upper computer |
| US20230051503A1 (en) * | 2021-08-06 | 2023-02-16 | Jilin University | Method and system for characterizing energy consumption indicator of electric vehicle |
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Application publication date: 20190426 |