CN106710276A - Traffic information obtaining method and device - Google Patents
Traffic information obtaining method and device Download PDFInfo
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- CN106710276A CN106710276A CN201710170680.5A CN201710170680A CN106710276A CN 106710276 A CN106710276 A CN 106710276A CN 201710170680 A CN201710170680 A CN 201710170680A CN 106710276 A CN106710276 A CN 106710276A
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- vehicle
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
Abstract
The present invention relates to a traffic information obtaining method and device. The method comprises: receiving tracking data sent by a target vehicle which has a distance from the entrance of a target expressway in a preset range; and obtaining the passage state at the entrance of the target expressway according to the tracking data and the expressway road network data. According to the tracking data sent by the vehicle, the traffic information obtaining method and device can accurately obtain the passage state at the entrance of the target expressway to allow travelers to accurately obtain the travelling state of the expressway, and cannot influence travelling caused by the conditions of the belated published information of an expressway manager or the publish failure, etc.
Description
Technical field
This disclosure relates to technical field of information processing, in particular it relates to a kind of method for acquiring traffic information and device.
Background technology
Highway is the important component of Modern Traffic.It is vaporous in unfavorable day in order to ensure the security of driving
Under condition (for example, sleet, dense fog etc. cause low visibility), expressway access can be closed, and forbid vehicle to enter public at a high speed
Road travels.When expressway access is closed, if vehicle driver can not in time know the closed state of highway, can lead
Cause vehicle and personnel to be trapped at expressway access, be greatly delayed the vehicle driving time.
In correlation technique, when traveler needs inquiry highway current state, typically pass through conventional information platform and net
Network is obtained, such as broadcast, TV, highway official website.However, the highway that broadcast, TV, highway official website are obtained leads to
Row state is all known from from freeway management side (for example, related administration of highways department).If freeway management side is sent out
The information of cloth will cause traveler to obtain in time not in time or because unexpected situation is issued when causing issue failure
To highway current state or the current state of related expressway access cannot be known, the trip to traveler brings not
Just.
The content of the invention
The purpose of the disclosure is to provide a kind of method for acquiring traffic information and device, with solving the problems, such as correlation technique.
To achieve these goals, a kind of first aspect of the disclosure, there is provided method for acquiring traffic information, including：
The track data that the distance of reception and targeted cache highway-entrance target vehicle within a preset range sends；
According to the track data and freeway network data, the current shape of the targeted cache highway-entrance is obtained
State.
Alternatively, according to the track data and freeway network data, the targeted cache highway-entrance is determined
The step of current state, includes：
From the freeway network data, the coordinate of the charge station of the targeted cache highway-entrance is obtained；
From the freeway network data, the closest Xrds crossing that acquisition is connected with the charge station
Coordinate；
Obtain the air line distance at the charge station and the Xrds crossing；
In obtaining the target vehicle, track data in preset time period is described with the air line distance as radius
Charge station is the first vehicle set in the range of the first of the center of circle；
According to the vehicle number in the first vehicle set, the current state of the targeted cache highway-entrance is determined.
Alternatively, the vehicle number in the first vehicle set, determines the current of the targeted cache highway-entrance
The step of state, includes：
If the vehicle fleet size of the first vehicle set is more than the first predetermined number, according in the first vehicle set
The track data of vehicle obtain the travel speed of the vehicle in the first vehicle set；
If the travel speed of the vehicle in the first vehicle set is below the first pre-set velocity, it is determined that the target
The current state of expressway access is that the probability of closing is the first probability.
Alternatively, the vehicle number in the first vehicle set, determines the current of the targeted cache highway-entrance
The step of state, includes：
If vehicle fleet size in the first vehicle set is less than the first predetermined number, in obtaining the target vehicle,
With predeterminable range as radius, the charge station is the in the range of the second of the center of circle for track data in the preset time period
Two vehicle set；
Directional information in the track data of the vehicle in the second vehicle set, it is entrance to obtain direction of traffic
3rd vehicle set of highway；
If the vehicle number in the 3rd vehicle set is less than predetermined threshold value, it is determined that the highway is the probability of closing
It is the second probability；
If the vehicle number in the 3rd vehicle set is more than the predetermined threshold value, according in the 3rd vehicle set
Vehicle track data, determine the travel speed of the vehicle in the 3rd vehicle set；
If the travel speed of the vehicle in the 3rd vehicle set is below the second pre-set velocity, it is determined that the target
The current state of expressway access is that the probability of closing is the 3rd probability；
If the travel speed of the vehicle in the 3rd vehicle set is more than higher than the vehicle number of second pre-set velocity
Second predetermined number, it is determined that the current state of expressway access is that the probability of closing is the 4th probability.
Alternatively, methods described also includes：
Obtain the vehicle status data of the vehicle in the first vehicle set, the vehicle status data at least include with
It is one of lower：Fog lamp opening and rain brush opening；
The vehicle-state of the vehicle in vehicle number and the first vehicle set in the first vehicle set
Data, determine the current state of the targeted cache highway-entrance.
Alternatively, according to the track data and freeway network data, the targeted cache highway-entrance is determined
The step of current state, includes：
The road line feature of the ring road of the targeted cache highway-entrance in the freeway network data with
And the track data of the vehicle, determine the current vehicle flowrate on the ring road of the targeted cache highway-entrance；
With the current state of the targeted cache highway-entrance of same period it is going through when opening by the current vehicle flowrate
History vehicle flowrate is compared, to determine the current state of the targeted cache highway-entrance.
Alternatively, methods described also includes：
The current state of the targeted cache highway-entrance is sent to the destination being configured.
A kind of second aspect, there is provided transport information acquisition device, including：
Receiver module, is configured as receiving the target vehicle hair with the distance of targeted cache highway-entrance within a preset range
The track data for sending；
Current state determining module, is configured as according to the track data and freeway network data, obtains described
The current state of targeted cache highway-entrance.
Alternatively, the current state determining module includes：
First acquisition submodule, is configured as from the freeway network data, obtains the targeted cache highway
The coordinate of the charge station of entrance；
Second acquisition submodule, is configured as from the freeway network data, and acquisition is connected with the charge station
Closest Xrds crossing coordinate；
3rd acquisition submodule, is configured as obtaining the air line distance of the charge station and the Xrds crossing；
First vehicle set acquisition submodule, in being configured as obtaining the target vehicle, the track in preset time period
With the air line distance as radius, the charge station is the first vehicle set in the range of the first of the center of circle to data；
First determination sub-module, is configured as the vehicle number in the first vehicle set, determines that the target is high
The current state of fast highway-entrance.
Alternatively, first determination sub-module includes：
First travel speed acquisition submodule, if the vehicle fleet size for being configured as the first vehicle set is pre- more than first
If quantity, then the track data of the vehicle in the first vehicle set obtains the vehicle in the first vehicle set
Travel speed；
First determine the probability submodule, if the travel speed of the vehicle being configured as in the first vehicle set is below
First pre-set velocity, it is determined that the current state of the targeted cache highway-entrance is that the probability of closing is the first probability.
Alternatively, first determination sub-module includes：
Second vehicle set acquisition submodule, if the vehicle fleet size being configured as in the first vehicle set is less than first
Predetermined number, then in obtaining the target vehicle, track data in the preset time period with predeterminable range as radius, institute
State charge station be the center of circle second in the range of the second vehicle set；
3rd vehicle set acquisition submodule, the track data of the vehicle being configured as in the second vehicle set
In directional information, it is the 3rd vehicle set into highway to obtain direction of traffic；
Second determine the probability submodule, if the vehicle number being configured as in the 3rd vehicle set is less than predetermined threshold value,
Then determine that the probability that the highway is closing is the second probability；
Second travel speed acquisition submodule, if the vehicle number being configured as in the 3rd vehicle set is more than described pre-
If threshold value, then the track data of the vehicle in the 3rd vehicle set, determines the vehicle in the 3rd vehicle set
Travel speed；
3rd determine the probability submodule, if the travel speed of the vehicle being configured as in the 3rd vehicle set is below
Second pre-set velocity, it is determined that the current state of the targeted cache highway-entrance is that the probability of closing is the 3rd probability；
4th determine the probability submodule, if the travel speed of the vehicle being configured as in the 3rd vehicle set is higher than institute
The vehicle number for stating the second pre-set velocity is more than the second predetermined number, it is determined that the current state of expressway access is the general of closing
Rate is the 4th probability.
Alternatively, described device also includes：
Vehicle status data acquisition module, is configured as obtaining the vehicle-state number of the vehicle in the first vehicle set
According to the vehicle status data at least includes one of：Fog lamp opening and rain brush opening；
First determination sub-module, the vehicle number being configured as in the first vehicle set and described first
The vehicle status data of the vehicle in vehicle set, determines the current state of the targeted cache highway-entrance.
Alternatively, the current state determining module includes：
Ring road vehicle flowrate acquisition submodule, is configured as the targeted cache in the freeway network data
The road line feature of the ring road of highway-entrance and the track data of the vehicle, determine the circle of the targeted cache highway-entrance
Current vehicle flowrate on road；
Second determination sub-module, is configured as the targeted cache highway-entrance of the current vehicle flowrate and same period
Current state be that history vehicle flowrate when opening is compared, to determine the current state of the targeted cache highway-entrance.
Alternatively, described device also includes：
Sending module, is configured as being sent to the current state of the targeted cache highway-entrance purpose being configured
End.
A kind of third aspect, there is provided transport information acquisition device, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor, is configured as receiving the mesh with the distance of targeted cache highway-entrance within a preset range
The track data that mark vehicle sends；According to the track data and freeway network data, the targeted cache highway is obtained
The current state of entrance.
By above-mentioned technical proposal, the track data that can be sent according to vehicle accurately obtains targeted cache highway-entrance
Current state (whether close, whether open-minded) so that traveler can accurately obtain the trip state of highway, will not be because of height
The information of fast highway administration side's issue influences trip not in time or when issue failure；And the disclosure can enter highway
The current state of mouth is sent to associated vehicle so that traveler knows the current state of expressway access in time, more facilitates
The trip and route planning of traveler.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing further understanding of the disclosure, and to constitute the part of specification, with following tool
Body implementation method is used to explain the disclosure together, but does not constitute limitation of this disclosure.In the accompanying drawings：
Fig. 1 is the structural representation of the transport information acquisition system of the embodiment of the disclosure one；
Fig. 2 is the schematic flow sheet of the method for acquiring traffic information of the embodiment of the disclosure one；
Fig. 3 is the form of the packet that the vehicle that server is received in the embodiment of the disclosure one sends；
During Fig. 4 is the embodiment of the disclosure one, track data and freeway network data according to vehicle determine that target is high
The schematic flow sheet of the current state of fast highway-entrance；
Fig. 5 is the first scope of the embodiment of the disclosure one and the schematic diagram of the second scope；
During Fig. 6 is the embodiment of the disclosure one, according to the vehicle number in the first vehicle set, targeted cache highway-entrance is determined
Current state schematic flow sheet；
During Fig. 7 is another embodiment of the disclosure, according to the vehicle number in the first vehicle set, determine that targeted cache highway enters
The schematic flow sheet of the current state of mouth；
Fig. 8 is the schematic flow sheet of the method for acquiring traffic information of another embodiment of the disclosure；
During Fig. 9 is another embodiment of the disclosure, track data and freeway network data according to vehicle determine target
The schematic flow sheet of the current state of expressway access；
Figure 10 is that the current state of expressway access is sent to server the mesh being configured in the embodiment of the disclosure one
End schematic diagram；
During Figure 11 is an embodiment of the disclosure, when server sends the current state of expressway access to preset vehicle
The data packet format schematic diagram for being used；
Figure 12 is the block diagram of the transport information acquisition device of the embodiment of the disclosure one；
Figure 13 is a kind of block diagram of the device for method for acquiring traffic information according to an exemplary embodiment.
Specific embodiment
It is described in detail below in conjunction with accompanying drawing specific embodiment of this disclosure.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the disclosure, is not limited to the disclosure.
The structural representation of system is obtained for the transport information of the embodiment of the present disclosure referring to Fig. 1.
The system includes：Server 10 and one or more vehicles 20.Vehicle 20 includes：Car machine 21 and car-mounted terminal
22。
Car machine 21 at least includes：Wireless communication module 210, GPS 212, processor 214 and memory 216 etc..Its
In, memory 216 is used to store various data, including the position data that GPS 212 is produced, the journey of the operation of processor 214
Sequence code and operating system code etc..Processor 214 can run operating system of the storage in memory 216, to realize data
The processes such as treatment, user mutual.GPS 212 is used to process the signal from gps satellite that antenna is received, to obtain
The track datas such as the longitude of vehicle 20, latitude, speed, height and travel direction.Wireless communication module 210 is used to realize signal
Send and receive, realize the data interaction between vehicle 20 and server 10.
The agreement that wireless communication module 210 can be provided using communication standard is carried out with server or other external equipments
Communication, these agreements are such as：5G communication standards, LTE (Long Term Evolution, Long Term Evolution), WCDMA (Wideband
Code Division Multiple Access, WCDMA), GSM (Global System for Mobile
Communication, global system for mobile communications), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA) etc..
Additionally, car machine 21 may also include multimedia groupware, multimedia groupware can include screen and audio-frequency assembly.Wherein,
Screen can be touch-screen, and audio-frequency assembly is used to export and/or input audio signal.For example, audio-frequency assembly can include one
Microphone, microphone is used to receive external audio signal.The audio signal for being received can be further stored in memory 216
Or sent by wireless communication module 210.Audio-frequency assembly also includes at least one loudspeaker, for exports audio signal.
Car-mounted terminal 22 is connected with the CAN of vehicle 20, the vehicle body status number for obtaining vehicle in real time from CAN network
According to.Additionally, data-interface of the car-mounted terminal 22 also with car machine 21 is connected, the vehicle body status data hair that will be obtained by CAN
Give car machine 21.Vehicle body status data includes one or more of data below：The frequency of rain brush opening, rain brush
Rate, light opening and fog lamp opening.
In embodiment of the disclosure, under the control of processor 214, wireless communication module 210 can be by the rail of vehicle 20
Mark data and vehicle body status data are sent to server 10.
It is the schematic flow sheet of the method for acquiring traffic information of the embodiment of the disclosure one referring to Fig. 2.The method is applied to clothes
Business end, comprises the following steps：
In the step s 21, the distance of reception and targeted cache highway-entrance target vehicle within a preset range sends
Track data.
In embodiment of the disclosure, preset range can set according to administrative region or be set according to distance, for example, by mesh
City, area etc. belonging to mark expressway access are set to preset range, or by the scope of distance objective expressway access 10Km
It is set to preset range.
As described above, the track data of vehicle includes the data such as longitude, dimension, speed, direction and the height of vehicle.As above
Described, target vehicle can be by the track data of the collection vehicle of car machine 21, and the track data that will be collected is included in packet
In, it is sent to server.
In being the embodiment of the disclosure one referring to Fig. 3, the form of the packet that vehicle that server is received sends.Packet
Including：Header part and body portion.
Wherein, header part include protocol header fields, the relevant information for indicating communication protocol, for example, destination address,
Source address, data packet length etc..
Body portion includes：Order id field, car machine number field, track data field and vehicle body mode field.Wherein,
Because each corresponding numbering of instruction differs, order id field includes the corresponding numbering of instruction, enters with to different instructions
Row is distinguished.For example, representing the instruction for uploading data if being 101 if order id field.Car machine number field is known for the identity of vehicle
Other code, network interface card card number or IMEI (International Mobile Equipment Identity, International Mobile Equipment Identity
Code) etc..
Track data field may include one or more of following field：Longitude field, latitudinal fields, Speed fields,
Direction field, height field and time field etc..As described above, longitude, latitude, speed, direction and height are the treatment of vehicle
Device 214 is arrived according to the acquisition of information that GPS 212 is received.Time can collect track data for GPS 212
Time.
Vehicle body mode field may include one or more of following field：Wiper status field, rain brush frequency field, lamp
Light opening field and fog lamp mode field etc..As described above, wiper status, rain brush frequency, light opening and fog lamp
State, is got by CAN by the car-mounted terminal 22 of vehicle 21.
Data packet format shown in Fig. 3 is exemplary only, the data packet format that can also take other form in practice.
In some embodiments, what the vehicle body mode field in packet was not required, vehicle can only send track data to server.Ginseng
See Fig. 3, the length of each field can be according to being actually adjusted.It should be understood that the tune of each the being adapted to property of field in packet
It is whole, be can remove for unwanted field or be not written into data, to improve efficiency of transmission.
Vehicle is gathered according to certain time interval and sends track data and vehicle body status data, for example, can be at interval of 1
Second carries out a data acquisition and transmission.After server 10 receives packet, the information of needs is obtained from corresponding field.
In step S22, according to track data and freeway network data, the current of targeted cache highway-entrance is obtained
State.
In embodiment of the disclosure, freeway network data include：The road line feature of highway；Highway
On charge station (or hair fastener station) website key element；And provincial highway in surrounding's preset range of expressway exit and entrance,
The road line feature of national highway and county road etc..
In the embodiment of the present disclosure, freeway network data can be the road net data of the highway in predeterminable area, example
Such as, the highway of (for example, national administrative region, provincial administrative region or city-level administrative region) is preset in administrative region.
In one embodiment, freeway network data can be obtained from electronic map data.For example, from electronic map
Include in the figure layer data of highway, obtain the road line feature of highway；Include the figure of national highway from electronic map
In layer data, the road line feature of national highway is obtained.
In an embodiment of the disclosure, road line feature is obtained from electronic map data by multiple location points
The coordinate set that longitude coordinate and latitude coordinate are constituted.Wherein, the road line feature of highway includes highway main road
Road line feature, road line feature of ring road etc..
The website key element of charge station at least includes the charge of each bar expressway access obtained from electronic map data
The coordinate information stood.In certain embodiments, the website key element of charge station also includes：The title of charge station.
When highway is because of situations such as sleet, dense fog or construction, when there is current risk and traffic safety hidden danger, can quilt
Closing.The closing of highway can be realized by the entrance of closing high-speed highway.In certain embodiments, the entrance of highway
It is connected with charge station or hair fastener station etc., therefore, close charge station or hair fastener station is capable of achieving closing highway.
In one embodiment, when highway is closed, the vehicle of the highway trip that selection is closed has two
The situation of kind：One is, vehicle is trapped at charge station；Two are, if on the road towards charge station be provided with Sign Board (for example,
For informing traveler, the Sign Board that front expressway access has been closed), then vehicle selects other road drivings, without
Travelled at charge station again.
Referring to Fig. 4 and Fig. 5, in an embodiment of the disclosure, track data and freeway network number according to vehicle
The step of according to, the current state for determining targeted cache highway-entrance, includes：
In step S41, from freeway network data, the seat of a charge station F of targeted cache highway-entrance G is obtained
Mark (xF,yF).Wherein, xFAnd yFThe respectively longitude and dimension of charge station F.
In step S42, from freeway network data, the closest Xrds that acquisition is connected with charge station F
Coordinate (the x of crossing RR,yR).Wherein, xRAnd yRThe respectively longitude and dimension of intersection R.
In step S43, the air line distance D of charge station F and Xrds crossing R is obtained.
In step S44, in obtaining target vehicle, track data in preset time period with air line distance D as radius,
Charge station F is the first vehicle set in the range of the first of the center of circle.
In embodiment of the disclosure, if air line distance D is more than 5Km, air line distance D takes 5Km.Preset time period is set
It is inside that, in order to improve the accuracy of the current condition adjudgement of targeted cache highway-entrance, preset time period can set according to actual conditions
Put, for example, being set to morning 6:00 to morning 7:00.
In step S45, according to the vehicle number in the first vehicle set, the current shape of targeted cache highway-entrance is determined
State.
Referring to Fig. 6, in one embodiment, according to the vehicle number in the first vehicle set, determine that targeted cache highway enters
The step of current state of mouth, includes：
In step S61, if the vehicle fleet size of the first vehicle set is more than the first predetermined number, according to the first vehicle collection
The track data of the vehicle in conjunction obtains the travel speed of the vehicle in the first vehicle set.
First predetermined number may be configured as the value more than 1.
In step S62, if the travel speed of the vehicle in the first vehicle set is below the first pre-set velocity, it is determined that
The current state of targeted cache highway-entrance is that the probability of closing is the first probability.
In one embodiment, the first probability can be 90%.First pre-set velocity can be set to 2Km/h.
In embodiment of the disclosure, if the vehicle number in the first vehicle set is more than the first predetermined number (for example, 2
), then the track data according to vehicle obtains the travel speed of vehicle, if the travel speed of the vehicle in the first vehicle set is equal
Less than the first pre-set velocity (for example, 2Km), it is determined that the current state of the expressway access is the probability of closing for first is general
Rate.It should be understood that the first pre-set velocity can be according to being actually configured and adjust.
The situation of charge station is trapped in accordingly, for vehicle, can be according to the vehicle number and vehicle in the first vehicle set
Travel speed, determine closing or the opening state of expressway access.
Referring to Fig. 7, in another embodiment of the present disclosure, according to the vehicle number in the first vehicle set, determine that target is high
The step of current state of fast highway-entrance, includes：
In step S71, if the vehicle fleet size in the first vehicle set is less than the first predetermined number, target vehicle is obtained
In, with predeterminable range as radius, charge station is the second car in the range of the second of the center of circle to the track data in preset time period
Set.
Predeterminable range is more than air line distance D, in one embodiment, predeterminable range can be set into 5Km.
In step S72, the directional information in the track data of the vehicle in the second vehicle set obtains driving side
To for into the 3rd vehicle set of highway.
In step S73, if the vehicle number in the 3rd vehicle set is less than predetermined threshold value, it is determined that the highway is envelope
The probability for closing is the second probability.
In one embodiment, due to there may be the non-public vehicles such as police car, the vehicle of execution special duty, can be pre-
If threshold value may be configured as 2.
In one embodiment, the second probability is 95%.
In step S74, if the vehicle number in the 3rd vehicle set is more than predetermined threshold value, according in the 3rd vehicle set
Vehicle track data, determine the travel speed of the vehicle in the 3rd vehicle set.
In step S75, if the travel speed of the vehicle in the 3rd vehicle set is below the second pre-set velocity, it is determined that
The current state of targeted cache highway-entrance is that the probability of closing is the 3rd probability.
In one embodiment, the second pre-set velocity can be set to 2Km/h, when the speed of vehicle is less than the pre-set velocity,
Vehicle is the state of parking of leveling off to.
In one embodiment, the 3rd probability is 95%.
In step S76, if the vehicle number of the travel speed higher than the second pre-set velocity of the vehicle in the 3rd vehicle set
More than the second predetermined number, it is determined that the current state of expressway access is that the probability of closing is the 4th probability.
In one embodiment, the second predetermined number can be set to the numerical value more than 1.
In one embodiment, the 4th probability is 50%.
Referring to Fig. 8, in order to increase the judging nicety rate of the current state of expressway access, in an embodiment of the disclosure
In, method for acquiring traffic information also includes：
In step S81, the vehicle status data of the vehicle in the first vehicle set is obtained, vehicle status data is at least wrapped
Include one of：Fog lamp opening and rain brush opening；
In step S82, the vehicle of the vehicle in vehicle number and the first vehicle set in the first vehicle set
Status data, determines the current state of targeted cache highway-entrance.
If the ratio that fog lamp opening is the vehicle opened is to open more than the first preset ratio and/or rain brush opening
The ratio of the vehicle for opening more than the second preset ratio, then the judged result according to the step of above-mentioned Fig. 6 or Fig. 7, by above-mentioned first
Probability, the second probability, the 3rd probability or the 4th probability increase the probability after preset value as the current of targeted cache highway-entrance G
State is the probability of closing.
In one embodiment, the first preset ratio can be 60%, and the second preset ratio can be 60%, and preset value can be
Arbitrary value between 3%~5%.If for example, in the vehicle in the range of the 5Km of charge station F, opening the ratio of the vehicle of fog lamp
Example has exceeded 60%, then by above-mentioned Fig. 6 or Fig. 7 the step of resulting probability add 3%~5%.For example, according to above-mentioned Fig. 7
Shown step, determines probability that expressway access G is closing for the 3rd probability 95% in step S75, then due to away from
The vehicle ratio of fog lamp is opened in the vehicle in the range of the 5Km of charge station F more than 60%, then the highway for finally giving
Entrance G is that the probability of closing is 98% (the 3rd probability 95%+ preset value 3%).
It should be understood that the value that the first probability, the second probability, the 3rd probability and the 4th probability increase after preset value not should be greater than
100%, the maximum 100% of probability is taken if more than 100%.In an embodiment of the disclosure, when expressway access
When current state is that the probability closed is more than predetermined probabilities (for example, 90%), determine that the current state of expressway access is envelope
Close；And when the probability that the current state of expressway access is closing is less than predetermined probabilities, it is determined that expressway access
Current state is open-minded.
In another embodiment, when being closed due to targeted cache highway-entrance G, will be without vehicle traveling in linking objective
On the ring road of expressway access G and highway main road.Thus, when the track data uploaded according to vehicle, connection is monitored
On the targeted cache highway-entrance G and the ring road of highway main road being closed, when thering is vehicle to travel, then can determine that the target is high
The current state of fast highway-entrance becomes for opening state from closed state.
Referring to Fig. 9, in another embodiment of the present disclosure, track data and freeway network data according to vehicle,
The step of current state for determining expressway access, includes：
In step S91, the Road of the ring road of the targeted cache highway-entrance G in freeway network data will
The track data of element and vehicle, determines the current vehicle flowrate on the ring road of targeted cache highway-entrance G.
Current vehicle flowrate is the vehicle number passed through in preset time period.
It is when opening by current vehicle flowrate and the current state of the targeted cache highway-entrance of same period in step S92
History vehicle flowrate be compared, to determine the current state of expressway access G.
For example, current vehicle flowrate is the morning 8:00 to the morning 8:Vehicle number on the ring road of 20 expressway access G, then obtain
Take the morning 8:00 to the morning 8:The current state of 20 expressway access G is history vehicle flowrate and current vehicle under opening state
Flow is compared.History vehicle flowrate is within the past period (for example, 1 month), according to the current of expressway access G
State is under opening state, the track data that current vehicle is uploaded counts what is obtained.
In an embodiment of the disclosure, if the vehicle number passed through in preset time period and the history vehicle flowrate of same period
Within a preset range, then the current state of targeted cache highway-entrance G is identical with state of being passed through with the history of period for gap.In advance
If scope can be 0~50%, for example, Current vehicle amount is 3/minute, it is 5/minute with the history vehicle flowrate of period, and together
The current state of session target expressway access is open-minded, then the currently current state that can determine that targeted cache highway-entrance is
It is open-minded.
If the vehicle number passed through in preset time period is when opening with the current state of same period targeted cache highway-entrance
The gap of history vehicle flowrate exceed preset range, then can determine that the logical current line state of targeted cache highway-entrance is closing.
According to above-described embodiment, the current state of targeted cache highway-entrance G is can obtain, after the same method, can obtained
All expressway accesses in particular range are (for example, all expressway accesses, certain administration in certain state's territorial limits save
In the range of all expressway accesses) current state.If the current state of a certain expressway access is closing, it is determined that
It is closed time started and opens the time started.The time started can be the packet and freeway network sent according to vehicle
Data, determine the time that expressway access is closing.This open the time started can be according to vehicle send packet and height
Fast highway network data, determine that expressway access is the time opened.It is real when the current state change of expressway access
Shi Gengxin current state and closing or at the beginning of opening between.Thus, the current state table of expressway access can be obtained, such as
Shown in table 1.In certain embodiments, can also respectively set up table and current state that current state is closing according to current state is
The table opened, thus, when the current state of a certain expressway access changes, for example, being changed into open-minded from closed state
State, its information is deleted in the table (current state is the table of closing) where original, and (current state is opened in another table
Table) middle its information of increase.
Table 1
Thus, the track data that the method for acquiring traffic information of the embodiment of the present disclosure can send according to vehicle, accurately obtains
Take the current state (whether close, whether open-minded) of targeted cache highway-entrance so that traveler can accurately obtain highway
Trip state, will not because freeway management side issue information not in time or issue failure when influence trip.And
The off-period of recordable expressway access, for the sustainable trace analysis in expressway access of closing, judge at a high speed
Whether highway-entrance is again open-minded, and records service time.
In an embodiment of the disclosure, above-mentioned method for acquiring traffic information also includes：By targeted cache highway-entrance
Current state is sent to the destination being configured.
Referring to Figure 10, in the embodiment of the present disclosure, the destination being configured can be preset vehicle or default mobile terminal.
The current state of targeted cache highway-entrance is sent to preset vehicle or default mobile terminal.It should be understood that getting multiple height
After the current state of fast highway-entrance, the plurality of expressway access that can be also sent to preset vehicle or default mobile terminal
Current state.
In one embodiment, can according to user's request, selectivity by the logical of some or multiple expressway access
Row state is sent to preset vehicle, also the current state table of expressway access obtained above can be sent into preset vehicle.
In one embodiment, preset vehicle can be the vehicle in the range of town, for example, the vehicle in the range of the A of city, may be selected
The expressway access of trip includes X1, X2, X3, X4 and X5, then the current state of the X1-X5 is sent in the range of the A of city
Vehicle.
In another embodiment, preset vehicle can be the vehicle in the setpoint distance of expressway access, for example, right
In expressway access X1, the distance that its current state can be sent to apart from expressway access X1 is the vehicle of 10Km.Make
Obtaining these vehicles can in advance know the current state of expressway access X1, carry out the route planning of trip.
In certain embodiments, preset vehicle can be the vehicle for having demand.The vehicle for having demand can be by customized messages
Mode, to server have sent customization request vehicle.Be may include in customization request：Need the high speed for knowing current state public
Road entry name, customization end time etc..Thus, server can be asked according to customization, during customizing, in real time to the vehicle of customization
Send the current state of related expressway access.And work as the customization time and terminate or receive the end customized information that vehicle sends
When, the current status information of expressway access is just no longer sent to vehicle.
In certain embodiments, only when the current state of expressway access is for closing can also be sent out to corresponding vehicle
Prompting message is sent, to remind traveler travel route planning in advance.
After the car machine 21 of vehicle 20 receives the current status information of server transmission, under the control of processor 214, will
Current status information shown by screen and/or by the loudspeaker of audio-frequency assembly by current status information with the shape of sound
Formula is exported.As a result, going out the current state that administrative staff knows expressway access in time.
In an embodiment of the disclosure, default mobile terminal can include such as mobile phone, smart phone, notebook
Computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player),
Guider etc..
By the present embodiment, current status information is sent to default mobile terminal, may be such that the not actuated vehicle of traveler
Also the current state of expressway access can be got, trip planning is performed in advance, for user's trip provides more accurate more timely
Reliable information, the trip to traveler brings convenience.
In one embodiment, server distributing programs equally provide the access interface of internet, access its of the interface
His App programs can obtain the current status information of highway, thus for user go on a journey provide more accurately, timely trusted
Expressway Information.
Referring to Figure 11, in being embodiment of the disclosure, when server sends the current of expressway access to preset vehicle
During state, the data packet format for being used.Packet includes header part and body portion.Wherein, header part includes agreement
Head field.Body portion includes：Order id field, car machine number field, individual digital section, highway file-name field, charge name of station
Field, current mode field and time field.
In one embodiment, number field represents the number of the expressway access of closing, accordingly, highway name
Field includes the title of the highway of closing, and charge station's file-name field includes the title of the expressway access of closing, and pass through shape
State field is " 1 " (expression closed state), and time field is the time of the expressway access closing of each closing.
In further embodiments, number field represents the number of the expressway access opened, accordingly, highway
File-name field includes the title of the highway opened, and charge station's file-name field includes the title of the expressway access opened, passes through
Mode field is " 0 " (expression opening state), and time field is the time that each expressway access closed is opened.
In certain embodiments, when the customization that server receives vehicle transmission is asked, can be according in customization request
Expressway access name, within the customization time period, the current status information of corresponding expressway access is sent to vehicle.By
This, the car machine number field in the packet shown in Figure 11 is the car machine numbering of the vehicle that have sent customization request.Individual numeral
Section can be set to sky.Highway file-name field is the expressway access name of customization, and charge station's file-name field is the high speed of customization
The corresponding charge name of station of highway-entrance.
It should be understood that the data packet format shown in Figure 11 is exemplary only, server can according to demand adjust packet
Form, or each field in packet is adjusted.
When current state is sent to default mobile terminal, can be by the car machine number field in the packet shown in Figure 11
Remove or be set to sky.
Accordingly, referring to Figure 12, the embodiment of the present disclosure also provides a kind of transport information acquisition device.The transport information is obtained
Device 1200 includes：
Receiver module 1201, is configured as receiving the target carriage with the distance of targeted cache highway-entrance within a preset range
Send track data；
Current state determining module 1202, is configured as, according to the track data and freeway network data, obtaining
The current state of the targeted cache highway-entrance.
In one embodiment, the state determining module 1202 that passes through includes：
First acquisition submodule, is configured as from the freeway network data, obtains the targeted cache highway
The coordinate of the charge station of entrance；
Second acquisition submodule, is configured as from the freeway network data, and acquisition is connected with the charge station
Closest Xrds crossing coordinate；
3rd acquisition submodule, is configured as obtaining the air line distance of the charge station and the Xrds crossing；
First vehicle set acquisition submodule, in being configured as obtaining the target vehicle, the track in preset time period
With the air line distance as radius, the charge station is the first vehicle set in the range of the first of the center of circle to data；
First determination sub-module, is configured as the vehicle number in the first vehicle set, determines that the target is high
The current state of fast highway-entrance.
In one embodiment, the first determination sub-module includes：
First travel speed acquisition submodule, if the vehicle fleet size for being configured as the first vehicle set is pre- more than first
If quantity, then the track data of the vehicle in the first vehicle set obtains the vehicle in the first vehicle set
Travel speed；
First determine the probability submodule, if the travel speed of the vehicle being configured as in the first vehicle set is below
First pre-set velocity, it is determined that the current state of the targeted cache highway-entrance is that the probability of closing is the first probability.
In one embodiment, the first determination sub-module includes：
Second vehicle set acquisition submodule, if the vehicle fleet size being configured as in the first vehicle set is less than first
Predetermined number, then in obtaining the target vehicle, track data in the preset time period with predeterminable range as radius, institute
State charge station be the center of circle second in the range of the second vehicle set；
3rd vehicle set acquisition submodule, the track data of the vehicle being configured as in the second vehicle set
In directional information, it is the 3rd vehicle set into highway to obtain direction of traffic；
Second determine the probability submodule, if the vehicle number being configured as in the 3rd vehicle set is less than predetermined threshold value,
Then determine that the probability that the highway is closing is the second probability；
Second travel speed acquisition submodule, if the vehicle number being configured as in the 3rd vehicle set is more than described pre-
If threshold value, then the track data of the vehicle in the 3rd vehicle set, determines the vehicle in the 3rd vehicle set
Travel speed；
3rd determine the probability submodule, if the travel speed of the vehicle being configured as in the 3rd vehicle set is below
Second pre-set velocity, it is determined that the current state of the targeted cache highway-entrance is that the probability of closing is the 3rd probability；
4th determine the probability submodule, if the travel speed of the vehicle being configured as in the 3rd vehicle set is higher than institute
The vehicle number for stating the second pre-set velocity is more than the second predetermined number, it is determined that the current state of expressway access is the general of closing
Rate is the 4th probability.
In one embodiment, device 1200 also includes：
Vehicle status data acquisition module, is configured as obtaining the vehicle-state number of the vehicle in the first vehicle set
According to the vehicle status data at least includes one of：Fog lamp opening and rain brush opening；
First determination sub-module, the vehicle number being configured as in the first vehicle set and described first
The vehicle status data of the vehicle in vehicle set, determines the current state of the targeted cache highway-entrance.
In one embodiment, the state determining module 1202 that passes through includes：
Ring road vehicle flowrate acquisition submodule, is configured as the targeted cache in the freeway network data
The road line feature of the ring road of highway-entrance and the track data of the vehicle, determine the circle of the targeted cache highway-entrance
Current vehicle flowrate on road；
Second determination sub-module, is configured as the targeted cache highway-entrance of the current vehicle flowrate and same period
Current state be that history vehicle flowrate when opening is compared, to determine the current state of the targeted cache highway-entrance.
In one embodiment, device 1200 also includes：
Sending module, is configured as being sent to the current state of targeted cache highway-entrance the destination being configured.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant the method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Figure 13 is a kind of frame of the device 1300 for method for acquiring traffic information according to an exemplary embodiment
Figure, the device 1300 can be server.As illustrated, the device 1300 can include：Processor 1301, memory 1302,
Multimedia groupware 1303, input/output (I/O) interface 1304, and communication component 1305.
Wherein, processor 1301 is used to control the integrated operation of the device 1300, is obtained with completing above-mentioned transport information
The all or part of step of method.Memory 1302 is used for storage program area, and various types of data are supporting in the device
1300 operation, any application program or method that can for example include for operating on the device 1300 of these data
Instruction, and the related data of application program.The memory 1302 can be by any kind of volatibility or non-volatile memories
Equipment or combinations thereof realization, such as static RAM (Static Random Access Memory, letter
Claim SRAM), Electrically Erasable Read Only Memory (Electrically Erasable Programmable Read-Only
Memory, abbreviation EEPROM), Erasable Programmable Read Only Memory EPROM (Erasable Programmable Read-Only
Memory, abbreviation EPROM), programmable read only memory (Programmable Read-Only Memory, abbreviation PROM), only
Read memory (Read-Only Memory, abbreviation ROM), magnetic memory, flash memory, disk or CD.
Multimedia groupware 1303 can include screen and audio-frequency assembly.Wherein screen for example can be touch-screen, audio group
Part is used to export and/or input audio signal.For example, audio-frequency assembly can include a microphone, microphone is used to receive outer
Portion's audio signal.The audio signal for being received can be further stored in memory 1302 or be sent out by communication component 1305
Send.Audio-frequency assembly also includes at least one loudspeaker, for exports audio signal.I/O interfaces 1304 be processor 1301 and its
There is provided interface between his interface module, above-mentioned other interface modules can be keyboard, mouse, button etc..These buttons can be
Virtual push button or entity button.Communication component 1305 is used to carry out wired or wireless leading between the device 1300 and other equipment
Letter.Radio communication, such as Wi-Fi, bluetooth, near-field communication (Near Field Communication, abbreviation NFC), 2G, 3G or
4G, or one or more in them combination, therefore the corresponding communication component 1305 can include：Wi-Fi module, bluetooth
Module, NFC module.
In one exemplary embodiment, device 1300 can be by one or more application specific integrated circuits
(Application Specific Integrated Circuit, abbreviation ASIC), digital signal processor (Digital
Signal Processor, abbreviation DSP), digital signal processing appts (Digital Signal Processing Device,
Abbreviation DSPD), PLD (Programmable Logic Device, abbreviation PLD), field programmable gate array
(Field Programmable Gate Array, abbreviation FPGA), controller, microcontroller, microprocessor or other electronics unit
Part is realized, for performing above-mentioned method for acquiring traffic information.
In a further exemplary embodiment, a kind of computer program product, the computer program product bag are additionally provided
Containing the computer program that can be performed by programmable device, the computer program has to work as to be held by the programmable device
For performing the code section of above-mentioned method for acquiring traffic information during row.
In a further exemplary embodiment, a kind of non-transitory computer-readable storage medium including instructing is additionally provided
Matter, such as, including the memory 1302 for instructing, above-mentioned instruction can be performed above-mentioned to complete by the processor 1301 of device 1300
Method for acquiring traffic information.Illustratively, the non-transitorycomputer readable storage medium can be ROM, random access memory
(Random Access Memory, abbreviation RAM), CD-ROM, tape, floppy disk and optical data storage devices etc..
Any process described otherwise above or method description can be by flow chart or in embodiment of the disclosure
Be interpreted as, expression include it is one or more for realizing specific logical function or process the step of executable instruction code
Module, fragment or part, and the scope of disclosure implementation method includes other realization, wherein can not by shown or
The order of discussion, including function involved by basis by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should
Those skilled in the art understand described in embodiment of the disclosure.
Describe the preferred embodiment of the disclosure in detail above in association with accompanying drawing, but, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, various letters can be carried out with technical scheme of this disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy is no longer separately illustrated.
Additionally, can also be combined between a variety of implementation methods of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.
Claims (15)
1. a kind of method for acquiring traffic information, it is characterised in that including：
The track data that the distance of reception and targeted cache highway-entrance target vehicle within a preset range sends；
According to the track data and freeway network data, the current state of the targeted cache highway-entrance is obtained.
2. method according to claim 1, it is characterised in that according to the track data and freeway network data,
The step of current state for determining the targeted cache highway-entrance, includes：
From the freeway network data, the coordinate of the charge station of the targeted cache highway-entrance is obtained；
From the freeway network data, the seat at the closest Xrds crossing that acquisition is connected with the charge station
Mark；
Obtain the air line distance at the charge station and the Xrds crossing；
In obtaining the target vehicle, track data in preset time period with the air line distance as radius, the charge
It is the first vehicle set in the range of the first of the center of circle to stand；
According to the vehicle number in the first vehicle set, the current state of the targeted cache highway-entrance is determined.
3. method according to claim 2, it is characterised in that according to the vehicle number in the first vehicle set, it is determined that
The step of current state of the targeted cache highway-entrance, includes：
If the vehicle fleet size of the first vehicle set is more than the first predetermined number, according to the car in the first vehicle set
Track data obtain the travel speed of the vehicle in the first vehicle set；
If the travel speed of the vehicle in the first vehicle set is below the first pre-set velocity, it is determined that the targeted cache
The current state of highway-entrance is that the probability of closing is the first probability.
4. method according to claim 2, it is characterised in that according to the vehicle number in the first vehicle set, it is determined that
The step of current state of the targeted cache highway-entrance, includes：
It is described in obtaining the target vehicle if vehicle fleet size in the first vehicle set is less than the first predetermined number
With predeterminable range as radius, the charge station is the second car in the range of the second of the center of circle to track data in preset time period
Set；
Directional information in the track data of the vehicle in the second vehicle set, it is at a high speed to obtain direction of traffic
3rd vehicle set of highway；
If vehicle number in the 3rd vehicle set is less than predetermined threshold value, it is determined that the highway is that the probability of closing is the
Two probability；
If the vehicle number in the 3rd vehicle set is more than the predetermined threshold value, according to the car in the 3rd vehicle set
Track data, determine the travel speed of the vehicle in the 3rd vehicle set；
If the travel speed of the vehicle in the 3rd vehicle set is below the second pre-set velocity, it is determined that the targeted cache
The current state of highway-entrance is that the probability of closing is the 3rd probability；
If the travel speed of the vehicle in the 3rd vehicle set is more than second higher than the vehicle number of second pre-set velocity
Predetermined number, it is determined that the current state of expressway access is that the probability of closing is the 4th probability.
5. method according to claim 2, it is characterised in that methods described also includes：
Obtain the vehicle status data of the vehicle in the first vehicle set, the vehicle status data at least include it is following its
One of：Fog lamp opening and rain brush opening；
The vehicle status data of the vehicle in vehicle number and the first vehicle set in the first vehicle set,
Determine the current state of the targeted cache highway-entrance.
6. method according to claim 1, it is characterised in that according to the track data and freeway network data,
The step of current state for determining the targeted cache highway-entrance, includes：
The road line feature of the ring road of the targeted cache highway-entrance in the freeway network data and institute
The track data of vehicle is stated, the current vehicle flowrate on the ring road of the targeted cache highway-entrance is determined；
It is history car when opening by the current vehicle flowrate and the current state of the targeted cache highway-entrance of same period
Flow is compared, to determine the current state of the targeted cache highway-entrance.
7. the method according to claim any one of 1-6, it is characterised in that methods described also includes：
The current state of the targeted cache highway-entrance is sent to the destination being configured.
8. a kind of transport information acquisition device, it is characterised in that including：
Receiver module, be configured as receiving with the distance of targeted cache highway-entrance within a preset range target vehicle sends
Track data；
Current state determining module, is configured as, according to the track data and freeway network data, obtaining the target
The current state of expressway access.
9. device according to claim 8, it is characterised in that the current state determining module includes：
First acquisition submodule, is configured as from the freeway network data, obtains the targeted cache highway-entrance
Charge station coordinate；
Second acquisition submodule, is configured as from the freeway network data, acquisition be connected with the charge station away from
From the coordinate at nearest Xrds crossing；
3rd acquisition submodule, is configured as obtaining the air line distance of the charge station and the Xrds crossing；
First vehicle set acquisition submodule, in being configured as obtaining the target vehicle, the track data in preset time period
With the air line distance as radius, the charge station is the first vehicle set in the range of the first of the center of circle；
First determination sub-module, is configured as the vehicle number in the first vehicle set, determines that the targeted cache is public
The current state of road entrance.
10. device according to claim 9, it is characterised in that first determination sub-module includes：
First travel speed acquisition submodule, if the vehicle fleet size for being configured as the first vehicle set is more than the first present count
Measure, then the track data of the vehicle in the first vehicle set obtains the traveling of the vehicle in the first vehicle set
Speed；
First determine the probability submodule, if the travel speed of the vehicle being configured as in the first vehicle set is below first
Pre-set velocity, it is determined that the current state of the targeted cache highway-entrance is that the probability of closing is the first probability.
11. devices according to claim 9, it is characterised in that first determination sub-module includes：
Second vehicle set acquisition submodule, if the vehicle fleet size being configured as in the first vehicle set is preset less than first
Quantity, then in obtaining the target vehicle, track data in the preset time period with predeterminable range as radius, the receipts
Take the second vehicle set stood as in the range of the second of the center of circle；
3rd vehicle set acquisition submodule, in the track data of the vehicle being configured as in the second vehicle set
Directional information, it is the 3rd vehicle set into highway to obtain direction of traffic；
Second determine the probability submodule, if the vehicle number being configured as in the 3rd vehicle set is less than predetermined threshold value, really
The fixed highway is that the probability of closing is the second probability；
Second travel speed acquisition submodule, if the vehicle number being configured as in the 3rd vehicle set is more than the default threshold
Value, then the track data of the vehicle in the 3rd vehicle set, determines the row of the vehicle in the 3rd vehicle set
Sail speed；
3rd determine the probability submodule, if the travel speed of the vehicle being configured as in the 3rd vehicle set is below second
Pre-set velocity, it is determined that the current state of the targeted cache highway-entrance is that the probability of closing is the 3rd probability；
4th determine the probability submodule, if the travel speed of the vehicle being configured as in the 3rd vehicle set is higher than described the
The vehicle number of two pre-set velocities is more than the second predetermined number, it is determined that the current state of expressway access is that the probability of closing is
4th probability.
12. devices according to claim 9, it is characterised in that described device also includes：
Vehicle status data acquisition module, is configured as obtaining the vehicle status data of the vehicle in the first vehicle set,
The vehicle status data at least includes one of：Fog lamp opening and rain brush opening；
First determination sub-module, the vehicle number being configured as in the first vehicle set and first vehicle
The vehicle status data of the vehicle in set, determines the current state of the targeted cache highway-entrance.
13. devices according to claim 8, it is characterised in that the current state determining module includes：
Ring road vehicle flowrate acquisition submodule, is configured as the targeted cache highway in the freeway network data
The road line feature of the ring road of entrance and the track data of the vehicle, determine on the ring road of the targeted cache highway-entrance
Current vehicle flowrate；
Second determination sub-module, is configured as the current vehicle flowrate is logical with the targeted cache highway-entrance of same period
Row state is that history vehicle flowrate when opening is compared, to determine the current state of the targeted cache highway-entrance.
14. according to claim 8-13 any one described devices, it is characterised in that described device also includes：
Sending module, is configured as being sent to the current state of the targeted cache highway-entrance destination being configured.
A kind of 15. transport information acquisition device, it is characterised in that including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor, is configured as receiving the target carriage with the distance of targeted cache highway-entrance within a preset range
Send track data；According to the track data and freeway network data, the targeted cache highway-entrance is obtained
Current state.
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| CN201710170680.5A CN106710276B (en) | 2017-03-21 | 2017-03-21 | Method for acquiring traffic information and device |
| PCT/CN2018/072877 WO2018171314A1 (en) | 2017-03-21 | 2018-01-16 | Method and device for acquiring transportation information |
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| CN201710170680.5A CN106710276B (en) | 2017-03-21 | 2017-03-21 | Method for acquiring traffic information and device |
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| CN107403474A (en) * | 2017-07-26 | 2017-11-28 | 广东兴达顺科技有限公司 | One kind charge processing method and smart machine |
| CN108437795A (en) * | 2018-03-28 | 2018-08-24 | 吉利汽车研究院（宁波）有限公司 | Speed limit value exporting method and device |
| CN111613049A (en) * | 2019-02-26 | 2020-09-01 | 北京嘀嘀无限科技发展有限公司 | Road state monitoring method and device |
| CN111613049B (en) * | 2019-02-26 | 2022-07-12 | 北京嘀嘀无限科技发展有限公司 | Road state monitoring method and device |
| CN111858800A (en) * | 2020-06-29 | 2020-10-30 | 北京百度网讯科技有限公司 | Method, device, equipment and computer storage medium for determining gate traffic state |
| CN111858800B (en) * | 2020-06-29 | 2024-03-26 | 北京百度网讯科技有限公司 | Method, device, equipment and computer storage medium for determining gate passing state |
| CN112861706A (en) * | 2021-02-04 | 2021-05-28 | 北京百度网讯科技有限公司 | Road state monitoring method, device, equipment and storage medium |
| CN114463970A (en) * | 2022-01-11 | 2022-05-10 | 北京中交兴路信息科技有限公司 | Method, device and equipment for automatically detecting bayonet closure and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106710276B (en) | 2019-04-26 |
| WO2018171314A1 (en) | 2018-09-27 |
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