CN110248312A - A kind of motor-driven vehicle going method for obtaining path and its system - Google Patents
A kind of motor-driven vehicle going method for obtaining path and its system Download PDFInfo
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- CN110248312A CN110248312A CN201910565047.5A CN201910565047A CN110248312A CN 110248312 A CN110248312 A CN 110248312A CN 201910565047 A CN201910565047 A CN 201910565047A CN 110248312 A CN110248312 A CN 110248312A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
Abstract
The invention discloses a kind of motor-driven vehicle going method for obtaining path, applied to driving path detection technique field, the following steps are included: virtual base station is arranged based on preset rules in section on road network, and the setting entity base station on every other section connect with section locating for virtual base station；It is encoded for each of road network section setting section；Section is encoded to the base coded in every a road section, including virtual base station coding and entity base coded；Driving path based on motor vehicle first obtains the first coded sequence of the base coded containing entity of running section, and obtains the second coded sequence containing virtual base station coding based on First ray coding；Section coded sequence is obtained based on the second coded sequence, obtains the driving path of motor vehicle.Present invention simultaneously discloses a kind of motor-driven vehicle going paths to obtain system.Meaning of the present invention is that it is possible to substantially reduce base station number while accurately obtaining motor-driven vehicle going track again, to reduce cost needed for path detection.
Description
Technical field
The present invention relates to driving path detection technique field more particularly to a kind of motor-driven vehicle going method for obtaining path and its
System.
Background technique
With the swift and violent increase of China's vehicle guaranteeding organic quantity, the paces of road construction have been unable to satisfy the quick of transport need
Development, therefore, using transport need as guide, with dynamic information it is real-time acquisition, analysis and processing for point of penetration, rationally into
Row traffic programme, management and induction improve the science, specific aim, validity of urban traffic control, will become future transportation pipe
The development trend of reason.Based on Internet of Things skills such as RFID technique, HD video identification technology, Data fusion technique, cloud computing technologies
The intelligent transportation of art, it is desirable that driving path of each car in road network is acquired, can just be accurately acquired real-time, dynamic
Telecommunication flow information, thus more reasonably to formulate traffic programme, management and induction scheme and accurately implementing to provide decision-making foundation.
In the prior art, in road network vehicle driving path acquisition mainly matching by entity base station and computer system
It closes, i.e., by the way that entity base station is respectively set in every a road section in road network, is installed on vehicle by the acquisition of entity base station
Identification information is transmitted to processor and server, obtains accurate vehicle running path by processor and server.Though which
Driving path of the vehicle in road network so can be accurately measured, but due to needing all to be arranged at least in each of road network section
One entity base station, therefore scheme early investment is larger, maintenance cost is higher, while acquisition system huge structure is complicated, increases
The operation difficulty of system.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to carry out vehicle running path in road network
Accurate method for measuring can substantially reduce the laying quantity of entity base station, reduce the cost of investment and maintenance of measuring system
Cost.
The present invention to achieve the goals above, specifically uses following technical scheme:
In a first aspect, the present invention discloses a kind of motor-driven vehicle going method for obtaining path, comprising the following steps:
Virtual base station is set based on preset rules in section on road network, and is being connect with section locating for virtual base station
Entity base station is set on every other section；
It is encoded for each of road network section setting section；The base coded that section is encoded in every a road section includes
Virtual base station coding and entity base coded；
Driving path based on motor vehicle first obtains the first coded sequence of the base coded containing entity of running section, and base
The second coded sequence containing virtual base station coding is obtained in First ray coding；
Section coded sequence is obtained based on the second coded sequence, obtains the driving path of motor vehicle.
Further, virtual base station is set based on preset rules, specifically includes:
The section being parallel to each other is chosen in road network, and virtual base station is set in section.
Further, section coding is successively set according to sections all in road network putting in order from left to right, from bottom to up
It sets.
Further, section coding can be the type of codings such as letter, number, ASCII character.
Further, the driving path based on motor vehicle obtains the first coded sequence of entity base station, specifically includes:
Entity base station is connected with section monitoring camera-shooting equipment, takes the photograph when entity base station is less than threshold value at a distance from motor vehicle
As monitoring device starting, the current driving road segment of the monitoring camera-shooting equipment confirmation motor vehicle based on starting is worked as based on what is had confirmed that
Preceding running section obtains the first coded sequence of entity base station.
Further, the distance threshold of entity base station and motor vehicle determines to be based on RFID communication.
Further, it is obtained based on First ray coding containing the second coded sequence of virtual base station coding, is specifically included:
It is determining virtual between two first codings based on the sequence correlation of the first coded sequence of entity base station
Base coded；
The first coded sequence and virtual base station coding are arranged based on principle of ordering, obtains the second coded sequence.
Second aspect, the present invention disclose a kind of motor-driven vehicle going path acquisition system, including server, virtual base station, reality
Body base station and processing terminal；
Server, in the section on road network be based on preset rules be arranged virtual base station, and with virtual base station institute
Locate that entity base station is arranged on the every other section of section connection；It is encoded for each of road network section setting section；Road
Section is encoded to the base coded in every a road section, including virtual base station coding and entity base coded；Traveling based on motor vehicle
Path first obtains the first coded sequence of the base coded containing entity of running section, and is obtained based on First ray coding containing void
Second coded sequence of quasi- base coded；The second coded sequence is finally sent to processing terminal；
Processing terminal, for obtaining the driving path of motor vehicle based on the second coding.
After adopting the above scheme, compared with prior art, the present invention its advantages are as follows.
1, the present invention program is encoded by the way that unique code name is arranged to each of entire road network section, and passes through acquisition
The Code Number in vehicle driving midway diameter section realizes the accurate measurement to vehicle running path, and this method is due to by running section
Areal survey is carried out, keeps measurement result reliable and stable, is not in large error.
2, the present invention program is laid based on the alternating of entity base station and virtual base station to obtain vehicle running path, is being ensured
In the case where accurate measurement, the laying quantity of entity base station is significantly reduced, reduces cost of investment and subsequent maintenance maintenance
Expense.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of motor-driven vehicle going method for obtaining path that the embodiment of the present invention 1 provides；
Fig. 2 is the acquisition motor-driven vehicle going path schematic diagram that the embodiment of the present invention 2 provides.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is logical
The component for the embodiment of the present invention being often described and illustrated herein in the accompanying drawings can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element
Process, method, article or equipment in there is also other identical elements.
It elaborates with reference to the accompanying drawings and examples to the embodiment of the present invention.
Embodiment 1
Shown in referring to Fig.1, the embodiment of the present invention discloses a kind of motor-driven vehicle going method for obtaining path, comprising the following steps:
In S101, the section on road network based on preset rules be arranged virtual base station, and with section locating for virtual base station
Entity base station is set on the every other section of connection；S102, it is encoded for each of road network section setting section；Section
The base coded being encoded in every a road section, including virtual base station coding and entity base coded；
S103, the driving path based on motor vehicle first obtain the first code sequence of the base coded containing entity of running section
Column, and the second coded sequence containing virtual base station coding is obtained based on First ray coding；
S104, section coded sequence is obtained based on the second coded sequence, obtains the driving path of motor vehicle.
It is to be appreciated that in the prior art, the main coordinate that motor vehicle is obtained by communication modes such as GPS, to obtain
The motion profile of target vehicle, this method is influenced vulnerable to weather and visibility and error is larger；And in a further mode of operation, it is main
To use all kinds of near-field communication technologies that label is set on target vehicle, thus based on the near-field communication association between base station and label
View positions target vehicle, the final motion profile for obtaining target vehicle, but this method needs are possible in each
Communication base station, higher cost are set in driving reason.And the scheme of the embodiment of the present invention is by entity base station and virtual base station phase
In conjunction with acquisition wheelpath reduces cost.
Preferably, it in the embodiment of the present invention, is communicated between base station and motor vehicle by RFID mode.
It is to be appreciated that RFID (Radio Frequency Identification, radio frequency identification) is also known as less radio-frequency
Identification can be identified specific objective by radio signals and read and write related data, without between identifying system and specific objective
Establish mechanical or optical contact.Its radio frequency field is the microwave of 1-100GHz, is suitable for short-range identification and communicates.RFID's is excellent
Point is contactless identification, it can penetrate the adverse circumstances that snow, mist, ice, coating, dust and dirt and bar code are not available and read mark
Label, and reading rate is exceedingly fast, in most cases less than 100 milliseconds.The literary sketch ability of active radio-frequency recognition system is also
Important advantage.It can be used for the interactive services such as flow tracking and maintenance tracking.
It is to be appreciated that being based on RFID communication, the ranging and positioning between label and base station, major way can be carried out
Be based on 860-960MHz ultra-high frequency wireless electric wave (Ultra High Frequency, UHF) incidence angle or phase difference it is legal
Position.In general, in this fashion, the communication between base station (also referred to as reader) and label is based on ITF (Interrogator
TalkFirst) mechanism, i.e., the half-duplex mechanism alternately sent are communicated.Pass through transmitting-receiving main carrier between reader and label
And subcarrier signal, and the phase of the two signals is extracted for ranging and positioning.By modifying tag backscatter information mistake
The form of single-frequency able one communication (continuous wave, CW) signal that reader is sent in journey, i.e., by low frequency
Subcarrier signal is modulated on CW signal in the mode of amplitude-modulating modulation (Amplitude Modulation, AM).After modification
CW signal, will send signal s (t) and receive signal r (t) respectively carry out bandpass sampling and A/D conversion after be sent into numeric field, and
Using the phase of subcarrier component in Discrete Spectrum Correcting Method estimation receiving and transmitting signalWithTransmitting-receiving subcarrier is calculated
The phase difference of signalIf subcarrier frequency is f0, then the distance between reader and label D are represented by such as following formula (1) institute
Show:
C herein is the light velocity, it is seen thatPrecision directly affect positioning accuracy.
Further, ranging can also be carried out to same label respectively using multiple readers, in conjunction with PDOA (Phase
Difference of Arrival) least square method obtain label location information, details are not described herein again.
Specifically, virtual base station is set based on preset rules, is to choose the section being parallel to each other in road network, in section
Virtual base station is set.
Herein it should be noted that for be arranged virtual base station location selection, should select in road network have same characteristic features
Section, for example, selection be all lateral section；Alternatively, selection is all longitudinal section setting virtual base station.Also, herein
Virtual base station be not the entity apparatus for having transmitting-receiving ability, and should be understood a kind of network representation, shown the section
It is occupied without entity base station is arranged again.For the concrete application of virtual base station, it can do in subsequent content and further explain
It releases.
Optionally, in the embodiment of the present invention, section encodes the row according to sections all in road network from left to right, from bottom to up
Column sequence is set gradually.Herein it should be noted that section coding can be the type of codings such as letter, number, ASCII character.
After being provided with section coding to all sections, so that it may obtain the driving trace of vehicle in road network, the present invention is real
Applying example is mainly to pass through the entity base station and virtual base station passed through in determining road network with motor vehicle to determine driving path.Specifically,
It is the first coded sequence that the driving path based on motor vehicle first obtains section locating for entity base station, then confirms locating for virtual base station
Second coding in section obtains driving trace to know each section coding that motor vehicle is passed through in driving path.
Herein it should be noted that being that the driving path based on motor vehicle first obtains running section in the embodiment of the present invention
First coded sequence of the base coded containing entity, then the second coding containing virtual base station coding is obtained based on First ray coding
Sequence.
Specifically, the driving path based on motor vehicle obtains the first coded sequence of entity base station, specifically includes: entity base
It stands and is connected with section monitoring camera-shooting equipment, monitoring camera-shooting equipment opens when entity base station is less than threshold value at a distance from motor vehicle
Dynamic, the current driving road segment of the monitoring camera-shooting equipment confirmation motor vehicle based on starting is obtained based on the current driving road segment having confirmed that
The first of entity base station is taken to encode.
Monitoring camera-shooting equipment herein is refered in particular to holder and zoom lens, and taking the photograph with data storage and upload function
As equipment.When motor vehicle reaches threshold value at a distance from entity base station, entity base station sends enabling signal to monitoring camera-shooting equipment,
Monitoring camera-shooting equipment is set to carry out real-time photography to motor vehicle or take pictures, to confirm section locating for motor vehicle.
Optionally, the distance threshold of excitation monitoring camera-shooting equipment work takes 10-30 meters, and details are not described herein again.
It is to be appreciated that being provided with RFID label tag on motor vehicle, it is stored with the unique identification information of motor vehicle.RFID herein
The information that label is included can be vehicle identification number (Vehicle Identification corresponding with motor vehicle
Number, VIN), engine number, owner identity information or other pre-assigned code system information, facilitate entity base station pair
Target vehicle is confirmed.
It should be evident that just illustrating target vehicle by entity when entity base station obtains the identification information of RFID label tag
Section locating for base station, then first of section where the available entity base station encodes and is uploaded to the networks such as server end
End.
Further, it is obtained based on First ray coding containing the second coded sequence of virtual base station coding, is specifically included:
The virtual base station being located between two first codings is determined based on the sequence correlation of the first coded sequence of the entity base station
Coding；First coded sequence and virtual base station coding are arranged based on principle of ordering, obtains second coded sequence.
It is to be appreciated that when virtual base station is set in lateral section, all roads adjacent with section where virtual base station
Duan Shangbi is set as entity base station, and because first coding in all sections is all based on certain rule ordering formulation in road network
, therefore when entity base station is determined, the section in virtual base station between the section locating for entity base station section locating for it
Coding can be acquired.Finally work as, after getting the second coded sequence for containing all entity base stations and virtual base station, just
It can be based on the anti-driving path for releasing motor vehicle of the second coded sequence.
Embodiment 2
Based on the method in embodiment 1, the embodiment of the present invention 2 is further explained and illustrates, as shown in Figure 2 is motor-driven
Vehicle driving path schematic diagram, it is seen that the road network is made of horizontal and vertical section, and suitable based on from the bottom to top, from left to right
All section settings of ordered pair section, which encodes, is used as identification code, and in the embodiment of the present invention 2, section coding uses alphabetic mode, in
It is that road network is assigned to first 20 sections for being encoded to A~S；Wherein, it is seen that longitudinal section in the road network have D, E, I, J,
N, O, S, T, other numbers then indicate lateral section.
Then, virtual base station and entity base station are set on all sections, and the setting rule of virtual base station is selected section
Lateral section, and the transverse direction section have with longitudinal section the B, G, L intersect, in the present embodiment 2 in selection transverse direction section,
Virtual base station is arranged in Q, and after the confirmation of the section locating for the virtual base station, entity base station is arranged in other sections.
Virtual base station and entity base station are distinguished here for significant, can be arranged on processing terminal or display terminal interface
Different display effects, for example is arranged by circular indicia, and is identified to entity base station setting triangle for virtual base station etc., herein not
It repeats again.
As shown in Figure 2, in the present embodiment, the driving trace of target vehicle be terminate by the section C to the section P, then
By the RFID communication between entity base station and target vehicle, the driving trace of C-D-J-O-P can be obtained, at this point, due to void
In quasi- base station B, G, L, Q, only G belongs to the coding in D-J letter sequence, it is known that also have passed through in the driving trace of target vehicle
Section where virtual base station G.So, the driving path (arranging in alphabetical order) of this target vehicle is C-D-G-J-O-
P, this namely contains the section coded sequence of entity base station and virtual base station, which is sent to processing terminal,
Can the driving path of target vehicle be further processed and be exported display.
Embodiment 3
Based on the method in previous embodiment 1, the embodiment of the present invention discloses a kind of motor-driven vehicle going path acquisition system, packet
Include server, virtual base station, entity base station and processing terminal；
Server, in the section on road network be based on preset rules be arranged virtual base station, and with virtual base station institute
Locate that entity base station is arranged on the every other section of section connection；It is encoded for each of road network section setting section；Road
Section is encoded to the base coded in every a road section, including virtual base station coding and entity base coded；Traveling based on motor vehicle
Path first obtains the first coded sequence of the base coded containing entity of running section, and is obtained based on First ray coding containing void
Second coded sequence of quasi- base coded；Second coded sequence is finally sent to processing terminal.
Processing terminal, for obtaining the driving path of motor vehicle based on second coded sequence.
It is to be appreciated that the driving path for obtaining motor vehicle based on the second coded sequence herein can answering based on server
It is executed with Program Interfaces (Application Programming Interface, API).Api interface belongs to a kind of operation
The user interface of system, can be by function predetermined, without in the case where accessing source code, quickly carrying out determining and defeated
Result out.Accordingly even when guarantee the efficiency determined in the huge situation of input data amount, it will not be to server and whole system
Cause biggish network burden.
Preferably, in order to guarantee that the interactive performance and operation ease of system, the server of the embodiment of the present invention are a kind of
MS-SQL server, this server are suitable for the solution of e-commerce, service line and data warehouse.For other correspondences
The optional type of server of operating system, details are not described herein again.
Further, the display terminal in the embodiment of the present invention is mainly used for the display output in path, and specifically, display is eventually
End is using WINDOWS operating system and mobile phone, tablet computer, laptop and desktop computer with display interface etc. are whole
End equipment, details are not described herein again.
Further, it is connected between display terminal and server based on Internet of Things net mode.Internet of Things herein may include
The network formats such as LoRa, NB-IoT, Sigfox, Weightless, Wi-Fi and Bluetooth, details are not described herein again.
Above embodiments, only presently preferred embodiments of the present invention, are not intended to limit the scope of the present invention, all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in guarantor of the invention
Within the scope of shield.
Claims (8)
1. a kind of motor-driven vehicle going method for obtaining path, which comprises the following steps:
Virtual base station is set based on preset rules in section on road network, and all what is connect with section locating for virtual base station
Entity base station is set on other sections；
It is encoded for each of road network section setting section；Section is encoded to the base coded in every a road section, including void
Quasi- base coded and entity base coded；
Driving path based on motor vehicle first obtains the first coded sequence of the base coded containing entity of running section, and based on the
One sequential coding obtains the second coded sequence containing virtual base station coding；
Section coded sequence is obtained based on the second coded sequence, obtains the driving path of motor vehicle.
2. the method according to claim 1, wherein described be arranged virtual base station, specific packet based on preset rules
It includes:
The section being parallel to each other is chosen in road network, and virtual base station is set in section.
3. the method according to claim 1, wherein the section coding according to sections all in road network from a left side to
Right, putting in order and set gradually from bottom to up.
4. the method according to claim 1, wherein section coding can be letter, number, ASCII character
Equal type of codings.
5. the method according to claim 1, wherein the driving path based on motor vehicle obtains entity base station
The first coded sequence, specifically include:
The entity base station is connected with section monitoring camera-shooting equipment, when the entity base station is less than threshold value at a distance from motor vehicle
When monitoring camera-shooting equipment start, the current driving road segment of monitoring camera-shooting equipment based on starting confirmation motor vehicle, based on having confirmed that
Current driving road segment obtain the first coded sequence of the entity base station.
6. according to the method described in claim 5, it is characterized in that, the distance threshold of the entity base station and motor vehicle determines base
In RFID communication.
7. the method according to claim 1, wherein described obtained based on First ray coding containing virtual base station
Second coded sequence of coding, specifically includes:
It is determining virtual between two first codings based on the sequence correlation of the first coded sequence of the entity base station
Base coded；
First coded sequence and virtual base station coding are arranged based on principle of ordering, obtains second coded sequence.
8. a kind of motor-driven vehicle going path obtains system, which is characterized in that including server, virtual base station, entity base station and place
Manage terminal；
Server, in the section on road network be based on preset rules be arranged virtual base station, and with road locating for virtual base station
Entity base station is set on the every other section of section connection；It is encoded for each of road network section setting section；It compiles in section
Code is the base coded in every a road section, including virtual base station coding and entity base coded；Driving path based on motor vehicle
The first coded sequence of the base coded containing entity of running section is first obtained, and is obtained based on First ray coding containing virtual base
Stand coding the second coded sequence；Second coded sequence is finally sent to processing terminal；
Processing terminal, for obtaining the driving path of motor vehicle based on second coded sequence.
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| CN112035467A (en) * | 2020-08-12 | 2020-12-04 | 武汉依迅北斗时空技术股份有限公司 | Vehicle driving mileage acquisition method and device |
| CN112612548A (en) * | 2020-12-25 | 2021-04-06 | 维沃移动通信有限公司 | Data processing method and device and electronic equipment |
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Application publication date: 20190917 |