CN107205046B - Towards the following operating condition Information Acquisition System of intelligent network connection vehicle - Google Patents
Towards the following operating condition Information Acquisition System of intelligent network connection vehicle Download PDFInfo
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- CN107205046B CN107205046B CN201710586341.5A CN201710586341A CN107205046B CN 107205046 B CN107205046 B CN 107205046B CN 201710586341 A CN201710586341 A CN 201710586341A CN 107205046 B CN107205046 B CN 107205046B
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- 238000004891 communication Methods 0.000 claims abstract description 38
- 238000013459 approach Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 230000001133 acceleration Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000006855 networking Effects 0.000 abstract description 4
- 230000001568 sexual effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000012937 correction Methods 0.000 description 7
- 230000001537 neural effect Effects 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- SAZUGELZHZOXHB-UHFFFAOYSA-N acecarbromal Chemical compound CCC(Br)(CC)C(=O)NC(=O)NC(C)=O SAZUGELZHZOXHB-UHFFFAOYSA-N 0.000 description 2
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- 238000012549 training Methods 0.000 description 2
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- 230000035772 mutation Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000003062 neural network model Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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Abstract
The present invention provides a kind of following operating condition Information Acquisition System towards intelligent network connection vehicle, belong to intelligent network connection automobile technical field, including V2V car cars communication system, V2I bus or train routes communication system, vehicle positioning system, remote monitoring platform, front truck information acquisition unit, front truck storage unit, it is characterised in that：Also include target front truck determining unit, traffic flow modes analytic unit and acquisition of information approach determining unit.The operating condition Information Acquisition System is based on car networking communication information, on the basis of taking into full account that influence work information obtains effective and accurate sexual factor, optimal work information acquiring way is determined, ensure that acquired operating condition information closer to following actual condition information, improve referring to property and accuracy of the acquired operating condition information as following actual condition information.
Description
Technical field
The present invention provides a kind of following operating condition Information Acquisition System towards intelligent network connection vehicle, belongs to intelligent network connection
Automobile technical field.
Background technology
Operating condition is one of an important factor for design of hybrid vehicle energy management strategies considers, to improving vehicle combustion
Oily economy has vital effect.Accurately and effectively obtain automobile future work information and then combine prediction energy management
Algorithm realizes hybrid power system real-time optimistic control, it has also become the effective ways of mixed electrical automobile Intelligent Energy management strategy.Mesh
The acquisition methods of the preceding future operating condition of vehicle in the prior art：Mainly using GPS system obtain information of vehicles, road information and
Service data, or directly receive other vehicles information analyzed and processed after obtain.These methods obtain in work information
All have that Consideration is single in terms of approach, acquiring way it is effective insufficient the problem of, and then cause the data message of acquisition
Accuracy is relatively low, as following operating condition referring to property it is not strong.Invention such as the March in 2015 of Granted publication on the 11st is special
Profit：Authorization Notice No.：The B of CN 102881060, a kind of method and system realized vehicle typical condition and obtained, this method include：
Global position system GPS information and operation characteristic data during collection vehicle traveling, according to the GPS information received,
The longitude and latitude data of vehicle running section are converted into the road information of vehicle running section, receives and preserves information of vehicles, road
Road information and corresponding operation characteristic data, to Time Continuous, and the operation characteristic data that information of vehicles, road information are consistent
It is segmented, it is the average speed spectrogram established in the case of different vehicle information, road information, segmentation speed spectrogram, average
Rotating speed spectrogram, segmentation rotating speed spectrogram, average torque spectrogram and segmentation moment of torsion spectrogram, it is determined that corresponding to information of vehicles
And the typical condition of road information.The and for example patent of invention of 2 months Shen Qing Publications on the 17th in 2016, application publication number：CN
105336165A, a kind of method and device for obtaining vehicle traveling information, wherein, obtaining the method for vehicle traveling information includes：
The travel routes information from other vehicles is received, the travel routes information received and itself default travel route are carried out
Matching, the travel routes information received is recorded in the case where the match is successful.
The content of the invention
The purpose of invention, which is to provide one kind, can take into full account that influenceing work information obtains effective and accurate sexual factor, passes through
It is determined that optimal work information acquiring way, operating condition information acquired in guarantee is closer to the face of following actual condition information
To the following operating condition Information Acquisition System of intelligent network connection vehicle, its technology contents is：
Towards the following operating condition Information Acquisition System of intelligent network connection vehicle, including V2V car cars communication system, V2I cars
Road communication system, vehicle positioning system, remote monitoring platform, front truck information acquisition unit, front truck storage unit, its feature
It is：Also include target front truck determining unit, traffic flow modes analytic unit and acquisition of information approach determining unit；
Described front truck information acquisition unit, receive the front truck fortune of V2V car car communication systems and vehicle positioning system collection
Row work information, including Ben Che and front truck spacing, front truck travel direction and routing information, and front truck operating condition information is inputted
To front truck storage unit；
Described front truck storage unit, analyzed according to gained front truck operating condition information and drawn analysis result
It is divided into two classes：(1) Ben Che and front truck are gone the same way in the same direction and distance is less than S, and (2) Ben Che and front truck be not in the same direction or does not go the same way or spacing is big
In S, while Ben Che and front truck are gone the same way in the same direction and are sent into target front truck determining unit apart from the analysis result less than S, this car
With front truck it is not in the same direction do not go the same way or spacing more than S analysis result be sent into acquisition of information approach determining unit；
Described target front truck determining unit, gone the same way in the same direction with front truck for this car obtained by front truck storage unit and away from
From the result less than S, the target front truck for the communication of V2V cars car is further determined that, and by the target front truck information transmission of determination
Give traffic flow modes analytic unit；The target front truck communicated for V2V cars car is defined as：It is same in the same direction with front truck in Ben Che first
In all front trucks of road and distance less than S, when determining whether front truck type and this car type identical, if front truck type with
This car type differs, then by being screened to front truck type, before matching and the most similar front truck of this car type are as target
Car, if front truck is identical with this car type and during quantity M=1, directly using front truck as destination object, if front truck and this car type phase
Same and quantity M>When 1, compared by operating condition information of the front truck before this with this car in same road segment and determine what front truck screened
Priority, the higher front truck of preferential selected work information similarity is as target front truck；Described same types of vehicles is same with money
The identical vehicle of model, described most similar type of vehicle refer to complete vehicle quality, power source device power and rolling resistance all
Approximately uniform vehicle；Operating condition information contrast in described same road segment, is to the instantaneous speed of vehicle in same road segment
Spend vt, average speed vave, maximal rate vmax, speed change frequency f, road gradient i, pavement grade g, peak acceleration amax、
Acceleration average amThe comparison of progress；
Described traffic flow modes analytic unit, for receiving the target front truck information of target front truck determining unit offer,
And obtain target front truck T before this from V2I bus or train routes communication systemyThe current T of Duan Yuben carsnThe traffic flow letter of two same road segments of section
Breath, including target front truck T before thisyThe traffic current density K of sectiony, traffic flow flow Qy, the current T of this carnThe traffic current density K of sectionn、
Traffic flow flow Qn, and calculate the difference E of both traffic current densitysk, traffic flow flow difference Eq, respectively with setting traffic flow
Variable density situation critical value k, traffic flow changes in flow rate situation critical value q are compared, and com-parison and analysis result is passed into letter
Cease acquiring way determining unit；
Described acquisition of information approach determining unit, the comparative result drawn according to traffic flow modes analytic unit, and
This car obtained by front truck storage unit and front truck be not in the same direction or does not go the same way or spacing is more than S result, determines different information
Acquiring way：If traffic flow change is smaller i.e.：Ek≤ k and Eq≤ q, front truck work information is obtained using V2V car cars communication system,
As this car future operating condition information；If traffic flow changes greatly i.e.：Ek＞ k or Eq＞ q, obtained by V2V car cars communication system
Front truck work information, real-time traffic stream information is obtained in combination with V2I bus or train routes communication system, establishes the car based on traffic flow change
Fast correction model, this car future operating condition information is used as after being corrected to speed information in front truck work information；
Ruo Benche and front truck be not in the same direction or does not go the same way or spacing is more than S, the determination for the front truck that forgoes one's aim, utilizes V2I bus or train routes
Communication system obtains the last moment front truck work information provided by remote monitoring platform, believes as this car future operating condition
Breath.
The present invention compared with prior art, has the beneficial effect that：
The operating condition Information Acquisition System is based on car networking communication information, is taking into full account that influenceing work information obtains in fact
On the basis of effect property and accurate sexual factor, it is determined that optimal work information acquiring way, ensure that acquired operating condition
Information closer to following actual condition information, improve acquired operating condition information as following actual condition information
Referring to property and accuracy.
Brief description of the drawings
Fig. 1 is the following operating condition Information Acquisition System structured flowchart of the embodiment of the present invention.
Fig. 2 is the following operating condition information acquisition method particular flow sheet of the embodiment of the present invention.
Fig. 3 is front truck of embodiment of the present invention T before thisyThe current T of Duan Yuben carsnThe schematic diagram of two same road segments of section.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Towards the following operating condition Information Acquisition System of intelligent network connection vehicle, as shown in figure 1, being communicated including V2V cars car
System, V2I bus or train routes communication system, vehicle positioning system, remote monitoring platform, front truck information acquisition unit, front truck information analysis
Unit, it is characterised in that：Also include target front truck determining unit, traffic flow modes analytic unit and acquisition of information approach and determine list
Member；
Described front truck information acquisition unit, receive the front truck fortune of V2V car car communication systems and vehicle positioning system collection
Row work information, including Ben Che and front truck spacing, front truck travel direction and routing information, and front truck operating condition information is inputted
To front truck storage unit；
Described front truck storage unit, analyzed according to gained front truck operating condition information and drawn analysis result
It is divided into two classes：(1) Ben Che and front truck are gone the same way in the same direction and distance is less than S, and (2) Ben Che and front truck be not in the same direction or does not go the same way or spacing is big
In S, while Ben Che and front truck are gone the same way in the same direction and are sent into target front truck determining unit apart from the analysis result less than S, this car
With front truck it is not in the same direction do not go the same way or spacing more than S analysis result be sent into acquisition of information approach determining unit；
Described target front truck determining unit, gone the same way in the same direction with front truck for this car obtained by front truck storage unit and away from
From the result less than S, the target front truck for the communication of V2V cars car is further determined that, and by the target front truck information transmission of determination
Give traffic flow modes analytic unit；
Described traffic flow modes analytic unit, for receiving the target front truck information of target front truck determining unit offer,
And obtain target front truck T before this from V2I bus or train routes communication systemyThe current T of Duan Yuben carsnThe traffic flow letter of two same road segments of section
Breath, including target front truck T before thisyThe traffic current density K of sectiony, traffic flow flow Qy, the current T of this carnThe traffic current density K of sectionn、
Traffic flow flow Qn, and calculate the difference E of both traffic current densitysk, traffic flow flow difference Eq, respectively with setting traffic flow
Variable density situation critical value k, traffic flow changes in flow rate situation critical value q are compared, and com-parison and analysis result is passed into letter
Cease acquiring way determining unit；
Described acquisition of information approach determining unit, the comparative result drawn according to traffic flow modes analytic unit, and
This car obtained by front truck storage unit and front truck be not in the same direction or does not go the same way or spacing is more than S result, determines different information
Acquiring way：If traffic flow change is smaller i.e.：Ek≤ k and Eq≤ q, front truck work information is obtained using V2V car cars communication system,
As this car future operating condition information；If traffic flow changes greatly i.e.：Ek＞ k or Eq＞ q, obtained by V2V car cars communication system
Front truck work information, real-time traffic stream information is obtained in combination with V2I bus or train routes communication system, establishes the car based on traffic flow change
Fast correction model, this car future operating condition information is used as after being corrected to speed information in front truck work information；
Ruo Benche and front truck be not in the same direction or does not go the same way or spacing is more than S, the determination for the front truck that forgoes one's aim, utilizes V2I bus or train routes
Communication system obtains the last moment front truck work information provided by remote monitoring platform, believes as this car future operating condition
Breath.
Towards the following operating condition Information Acquisition System of intelligent network connection vehicle, following operating condition acquisition of information is carried out
When, flow specifically includes front truck information analysis, the determination of target front truck, traffic flow modes mutation analysis and acquisition of information approach really
It is fixed, it is as follows：
As shown in Fig. 2 the first step, the analysis of front truck information：First, the V2V Che Chetong in car networking communication system are utilized
News system and vehicle positioning system determine this car and front truck spacing, front truck travel direction and routing information, then for gained front truck
Information is analyzed and analysis result is divided into two classes：(1) Ben Che and front truck are gone the same way in the same direction and distance is less than S, (2) Ben Che and
Front truck is not in the same direction or do not go the same way or spacing is more than S；
Second step, the determination of target front truck：According to front truck information analysis result, as Ben Che and front truck is gone the same way in the same direction and distance
During less than S, it is determined that the target front truck for the communication of V2V cars car, goes the same way and apart from the institute for being less than S in the same direction in Ben Che and front truck first
Have in front truck, when determining whether front truck type and whether identical this car type, if front truck type differs with this car type,
By being screened to front truck type, matching and the most similar front truck of this car type are as target front truck, if front truck and this car class
Type is identical and during quantity M=1, directly using front truck as destination object, if front truck is identical with this car type and quantity M>When 1, lead to
Cross to front truck T before thisyThe current T of Duan Yuben carsnWork information in two same road segments of section, which is compared, determines the preferential of front truck screening
Level, the higher front truck of preferential selected work information similarity is as target front truck, front truck T before thisyThe current T of Duan Yuben carsnSection two-phase
With the schematic diagram in section, as shown in Figure 3；
Described same types of vehicles is to refer to money with the identical vehicle of model, described most similar type of vehicle
Complete vehicle quality, power source device power and rolling hinder all approximately uniform vehicle；
Work information contrast in described same road segment, is to vehicle instantaneous velocity v in same road segmentt, average car
Fast vave, maximal rate vmax, speed change frequency f, road gradient i, pavement grade g, peak acceleration amax, acceleration average
amThe comparison of progress；
3rd step, the analysis of traffic flow modes change：Obtained by the V2I bus or train routes communication system in car networking communication system
Target front truck T before thisyThe current T of Duan Yuben carsnThe telecommunication flow information of two same road segments of section, including target front truck T before thisyThe friendship of section
Current density Ky, traffic flow flow Qy, the current T of this carnThe traffic current density K of sectionn, traffic flow flow Qn, and calculate both traffic
The difference E of current densityk, traffic flow flow difference Eq, then respectively with setting traffic flow variable density situation critical value k, traffic flow
Changes in flow rate situation critical value q is compared；
4th step, the determination of acquisition of information approach：If traffic flow change is smaller i.e.：Ek≤ k and Eq≤ q, utilize V2V car cars
Communication system obtains the work information of front truck, as this car future operating condition information；If traffic flow changes greatly i.e.：Ek＞ k
Or Eq＞ q, front truck work information is obtained by V2V car cars communication system, and real-time traffic is obtained in combination with V2I bus or train routes communication system
Stream information, the speed correction model based on traffic flow change is established, is made after being corrected to speed information in front truck work information
For this car future operating condition information；
The described speed correction model based on traffic flow change, can be by building the RBF nerves changed based on traffic flow
Network speed correction model obtains；The structure of RBF neural speed correction model includes：(1) RBF neural speed is determined
Correction model input parameter vector output parameter vector, input parameter vector for be currently received front truck work information includes
Instantaneous velocity vy_t, average speed vy_ave, maximal rate vy_max, speed change frequency fy, and the current road segment traffic flow of this car
Information includes traffic flow density Kn, traffic flow flow Qn, i.e. { vy_t, vy_ave, vy_max, fy, Kn, Qn, output parameter vector is this
The speed information of following actual condition corresponding to car, including this car instantaneous velocity vn_t, average speed vn_ave, maximal rate
vn_max, speed change frequency fn, i.e. { vn_t, vn_ave, vn_max, fn}；(2) using input parameter vector output parameter vector as
Training sample, it is input in RBF neural network model and carries out off-line training, from the RBF neural of Self-organizing Selection Center
Learning method, solve and determine hidden layer Basis Function Center, the variance of odd function and implicit layer unit output unit weights, finally build
The vertical speed modified RBF Neural Networks model based on traffic flow change；
When Ben Che and front truck be not in the same direction or do not go the same way or spacing is more than S, the determination for the front truck that forgoes one's aim, V2I bus or train routes are utilized
Communication system obtains the last moment front truck work information provided by remote monitoring platform system, as this car future operating condition
Information.
Claims (1)
1. a kind of following operating condition Information Acquisition System towards intelligent network connection vehicle, including V2V car cars communication system, V2I
Bus or train route communication system, vehicle positioning system, remote monitoring platform, front truck information acquisition unit, front truck storage unit, it is special
Sign is：Also include target front truck determining unit, traffic flow modes analytic unit and acquisition of information approach determining unit；
Described front truck information acquisition unit, receive the front truck operation work of V2V car car communication systems and vehicle positioning system collection
Condition information, including Ben Che and front truck spacing, front truck travel direction and routing information, and front truck operating condition information is inputted to preceding
Car storage unit；
Described front truck storage unit, analyzed according to gained front truck operating condition information and be divided into analysis result
Two classes：(1) Ben Che and front truck are gone the same way in the same direction and distance is less than S, and (2) Ben Che and front truck be not in the same direction or do not go the same way or spacing is more than S,
Ben Che and front truck are gone the same way in the same direction simultaneously and analysis result of the distance less than S is sent into target front truck determining unit, Ben Che with before
Car it is not in the same direction do not go the same way or spacing more than S analysis result be sent into acquisition of information approach determining unit；
Described target front truck determining unit, this car obtained by front truck storage unit are gone the same way and apart from small in the same direction with front truck
In S result, the target front truck for the communication of V2V cars car is further determined that, and by the target front truck information transmission of determination to friendship
Open position analytic unit；The target front truck communicated for V2V cars car is defined as：Go the same way in the same direction in Ben Che and front truck first and
In all front trucks of the distance less than S, when determining whether front truck type and whether identical this car type, if front truck type and this car
Type differs, then by being screened to front truck type, matching with the most similar front truck of this car type as target front truck, if
Front truck is identical with this car type and during quantity M=1, directly using front truck as destination object, if front truck it is identical with this car type and
Quantity M>When 1, compared by operating condition information of the front truck before this with this car in same road segment and determine that front truck screens preferential
Level, the higher front truck of preferential selected work information similarity is as target front truck；Described same types of vehicles is with the same model of money
Identical vehicle, described most similar type of vehicle refer to that complete vehicle quality, power source device power and rolling resistance are all approximate
Identical vehicle；Operating condition information contrast in described same road segment, is to vehicle instantaneous velocity v in same road segmentt、
Average speed vave, maximal rate vmax, speed change frequency f, road gradient i, pavement grade g, peak acceleration amax, accelerate
Spend average amThe comparison of progress；
Described traffic flow modes analytic unit, for receiving the target front truck information of target front truck determining unit offer, and
Target front truck T before this is obtained from V2I bus or train routes communication systemyThe current T of Duan Yuben carsnThe telecommunication flow information of two same road segments of section, bag
Include target front truck T before thisyThe traffic current density K of sectiony, traffic flow flow Qy, the current T of this carnThe traffic current density K of sectionn, traffic flow
Flow Qn, and calculate the difference E of both traffic current densitysk, traffic flow flow difference Eq, become respectively with setting traffic current density
Change situation critical value k, traffic flow changes in flow rate situation critical value q are compared, and com-parison and analysis result is passed into acquisition of information
Approach determining unit；
Described acquisition of information approach determining unit, the comparative result drawn according to traffic flow modes analytic unit, and front truck
This car obtained by storage unit and front truck be not in the same direction or does not go the same way or spacing is more than S result, determines different acquisition of information
Approach：If traffic flow change is smaller i.e.：Ek≤ k and Eq≤ q, front truck work information is obtained using V2V car cars communication system, as
This car future operating condition information；If traffic flow changes greatly i.e.：Ek＞ k or Eq＞ q, front truck is obtained by V2V car cars communication system
Work information, real-time traffic stream information is obtained in combination with V2I bus or train routes communication system, establish the speed based on traffic flow change and repair
Positive model, this car future operating condition information is used as after being corrected to speed information in front truck work information；
Ruo Benche and front truck be not in the same direction or does not go the same way or spacing is more than S, the determination for the front truck that forgoes one's aim, utilizes the communication of V2I bus or train routes
System obtains the last moment front truck work information provided by remote monitoring platform, as this car future operating condition information.
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| CN108734810B (en) * | 2018-04-17 | 2020-09-25 | 江苏大学 | Pure electric vehicle running condition prediction method based on Internet of vehicles |
| US11749108B2 (en) | 2021-03-31 | 2023-09-05 | Honda Motor Co., Ltd. | System and method for lane level traffic state estimation |
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| CN104064044A (en) * | 2014-06-30 | 2014-09-24 | 北京航空航天大学 | Engine start-stop control system and method based on vehicle-road coordination |
| CN105336165A (en) * | 2015-10-28 | 2016-02-17 | 东莞酷派软件技术有限公司 | Method and apparatus for obtaining driving information of vehicles |
| CN106080600A (en) * | 2016-06-30 | 2016-11-09 | 深圳市赛格导航科技股份有限公司 | A kind of automobile distant-control system based on V2V and method |
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