CN103730014A - Traffic flow statistical method and system based on ambiguity path recognition system - Google Patents
Traffic flow statistical method and system based on ambiguity path recognition system Download PDFInfo
- Publication number
- CN103730014A CN103730014A CN201310522212.1A CN201310522212A CN103730014A CN 103730014 A CN103730014 A CN 103730014A CN 201310522212 A CN201310522212 A CN 201310522212A CN 103730014 A CN103730014 A CN 103730014A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- obu
- rsu
- front number
- preset duration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Traffic Control Systems (AREA)
Abstract
The invention provides a traffic flow statistical method and system based on an ambiguity path recognition system. The method includes the steps that an RSU sends beacon site information to an OBU, the RSU receives vehicle information which is fed back by the OBU after the OBU receives the beacon site information, the number of current vehicles is added by one each time the RSU receives a piece of vehicle information, the number of the current vehicles serves as the number of the current vehicles after being added by one, and the RSU calculates the traffic flow in a current preset duration according to the number of the current vehicles, wherein the OBU comprise an OBU power supply. Therefore, the statistics cost is reduced, the problem of difficult reading is solved, accuracy of the statistical result of the traffic flow is improved, and energy consumption is lowered.
Description
Technical field
The application relates to intelligent transportation field, particularly a kind of vehicle flowrate method and system based on ambiguous path recognition system.
Background technology
Along with the fast development of highway, expressway network toll is applied and is given birth to, and wherein, ambiguous path system is widely used in expressway network toll.Ambiguous path system is the system of registration of vehicle routing information.In expressway network toll system, can, according to the vehicle route information of ambiguous path system log (SYSLOG), charge.Although ambiguous path system can registration of vehicle routing information, thinks that expressway network toll provides data foundation, current ambiguous path system can not be added up the vehicle flowrate on highway.
At present, vehicle flowrate on highway based on ambiguous path system generally completes by add up the vehicle fleet size of upper and lower expressway in charge station, in order to realize the vehicle flowrate in each section outside statistics charge station, the existing RFID(Radio Frequency Identification that installs in each section, radio-frequency (RF) identification) label reader, passive vehicle-mounted RFID label is installed in car, by RFID label reader, is read the passive vehicle-mounted RFID label in car, vehicle flowrate is added up.
But, vehicle generally all can paste car film at present, the car film radio frequency signal that passive vehicle-mounted RFID label sends of can decaying, cause RFID label reader to read passive vehicle-mounted RFID label difficulty, when attenuation is serious, can cause RFID label reader cannot read passive vehicle-mounted RFID label, cause vehicle flowrate result inaccurate.Because RFID tags reader gives passive vehicle-mounted RFID tag-powered by radio frequency, therefore the power that need to launch radio frequency is larger could cover larger region, with guarantee many vehicles simultaneously at a high speed by RFID tags reader read region time, skip not, but because the power of RFID tags reader transmitting radio frequency is large, therefore increased energy consumption.
Because the highway based on ambiguous path system is when the statistical vehicle flowrate, all to increase extras, therefore increased statistics cost.
Therefore, at present the vehicle flowrate on the highway based on ambiguous path system exist cost high, read difficulty, statistics is inaccurate and energy consumption is high shortcoming.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of vehicle flowrate method based on ambiguous path recognition system, to reach, reduce statistics cost, overcome the accuracy that reads difficult problem and raising vehicle flowrate result and the object that reduces energy consumption, technical scheme is as follows:
A vehicle flowrate method based on ambiguous path recognition system, comprising:
Roadside unit RSU sends beaconing station dot information to electronic tag OBU, and described OBU comprises OBU power supply;
Described RSU receives described OBU and is receiving the information of vehicles feeding back after the dot information of described beaconing station;
Described RSU often receives an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number;
Described RSU, according to when vehicle in front number, calculates the vehicle flowrate in current preset duration.
Preferably, in foundation, when vehicle in front number, after calculating the vehicle flowrate in current preset duration, also comprise:
Return and carry out described roadside unit RSU transmission beaconing station dot information to this step of electronic tag OBU.
Preferably, described foundation, when vehicle in front number, after calculating the vehicle flowrate in current preset duration, also comprises:
Send described vehicle flowrate to data center or server.
Preferably, at the described vehicle flowrate of described transmission, to data center or server, also comprise:
Send to discharge link instruction, with finish with described OBU between communicate by letter.
Preferably, described foundation, when vehicle in front number, is calculated the vehicle flowrate in current preset duration, returns and carries out described roadside unit RSU transmission beaconing station dot information to the process of electronic tag OBU, comprising:
By described, when vehicle in front number is divided by described current preset duration, calculate the vehicle flowrate in current preset duration;
Empty when vehicle in front number;
Judge whether to receive the brand-new default duration of described data center or server transmission;
If so, determine that described brand-new default duration is current preset duration, return and carry out described roadside unit RSU transmission beaconing station dot information to electronic tag OBU;
If not, determine that the default duration of acquiescence of storage is current preset duration, return and carry out described roadside unit RSU transmission beaconing station dot information to electronic tag OBU.
Preferably, described OBU periodically monitors beaconing station dot information, in the situation that monitoring beaconing station dot information, by intermittent mode, is converted to mode of operation, receives described beaconing station dot information.
Preferably, described information of vehicles at least comprises:
OBU ID and license plate number;
Described electronic tag OBU comprises: double frequency RFID electronic tag.
A vehicle flowrate system based on ambiguous path recognition system, comprising:
Roadside unit RSU, be used for sending beaconing station dot information to electronic tag OBU, receive described OBU and receiving the information of vehicles feeding back after the dot information of described beaconing station, often receive an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number, and according to when vehicle in front number, calculate the vehicle flowrate in current preset duration, and return and carry out transmission beaconing station dot information to electronic tag OBU;
Electronic tag OBU, the beaconing station dot information sending for receiving described RSU, and feed back information of vehicles to described RSU, wherein said OBU comprises OBU power supply;
Wherein, described roadside unit RSU comprises:
The first transmitting element, for sending beaconing station dot information to electronic tag OBU;
Receiving element, is receiving for receiving described OBU the information of vehicles feeding back after the dot information of described beaconing station;
The first computing unit, for often receiving an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number;
The second computing unit, for according to when vehicle in front number, calculates the vehicle flowrate in current preset duration.
Preferably, described the second computing unit also, for according to when vehicle in front number, after calculating the vehicle flowrate in current preset duration, returns and carries out the first transmitting element.
Preferably, described roadside unit RSU also comprises:
The second transmitting element, for sending described vehicle flowrate to data center or server.
Preferably, described roadside unit RSU also comprises:
The 3rd transmitting element, discharges link instruction for sending, with finish with described OBU between communicate by letter.
Preferably, described the second computing unit comprises:
The 3rd computing unit, for by described when vehicle in front number divided by described current preset duration, calculate the vehicle flowrate in current preset duration;
Empty unit, for emptying when vehicle in front number;
Judging unit, for judging whether to receive the brand-new default duration of described data center or server transmission, if so, carries out the first determining unit, if not, carries out the second determining unit;
The first determining unit, for determining that described brand-new default duration is current preset duration, returns and carries out described the first transmitting element;
The second determining unit, for determining that the default duration of acquiescence of storage is current preset duration, returns and carries out described the first transmitting element.
Compared with prior art, the application's beneficial effect is:
In this application, roadside unit RSU sends beaconing station dot information to electronic tag OBU, and described OBU comprises OBU power supply; Described RSU receives described OBU and is receiving the information of vehicles sending after the dot information of described beaconing station; Described RSU often receives an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number; Described RSU, according to when vehicle in front number, calculates the vehicle flowrate in current preset duration, and returns and carry out described roadside unit RSU transmission beaconing station dot information to electronic tag OBU.
Because RSU and OBU are that device in ambiguous path system and the RSU in ambiguous path system are arranged on freeway, therefore, by the RSU in ambiguous path system and OBU, can add up the vehicle flowrate in each section in highway, without increasing extras, reduced statistics cost.OBU includes OBU power supply, for type active RFID electronic label, improved the transmitted power of signal, the signal that makes to be sent to RSU is strong, reduce the impact of vehicle pad pasting deamplification, thereby overcome the accuracy that reads difficult problem and improved vehicle flowrate result.And the OBU Power supply that OBU comprises by it, powers to OBU than RSU wireless signal emission, has reduced energy consumption.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiment of the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of process flow diagram of a kind of vehicle flowrate method based on ambiguous path recognition system of providing of the application;
Fig. 2 is the another kind of process flow diagram of a kind of vehicle flowrate method based on ambiguous path recognition system of providing of the application;
Fig. 3 is a kind of sub-process figure of a kind of vehicle flowrate method based on ambiguous path recognition system of providing of the application;
Fig. 4 is another process flow diagram of a kind of vehicle flowrate method based on ambiguous path recognition system of providing of the application;
Fig. 5 is another process flow diagram of a kind of vehicle flowrate method based on ambiguous path recognition system of providing of the application;
Fig. 6 is another process flow diagram of a kind of vehicle flowrate method based on ambiguous path recognition system of providing of the application;
Fig. 7 is a kind of structural representation of a kind of vehicle flowrate system based on ambiguous path recognition system of providing of the application;
Fig. 8 is a kind of structural representation of a kind of roadside unit RSU of providing of the application;
Fig. 9 is a kind of structural representation of a kind of the second computing unit of providing of the application;
Figure 10 is the another kind of structural representation of a kind of roadside unit RSU of providing of the application;
Figure 11 is another structural representation of a kind of roadside unit RSU of providing of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
In this application, ambiguous path recognition system is applied to highway, and wherein, ambiguous path recognition system at least comprises RSU(roadside unit, Road Side Unit) and OBU(electronic tag, On Board Unit).RSU is arranged on the trackside in each section of highway, and OBU is arranged in the vehicle that enters express highway section.
An embodiment
Refer to Fig. 1, a kind of process flow diagram that it shows a kind of vehicle flowrate method based on ambiguous path recognition system that the application provides, can comprise the following steps:
Step S11: roadside unit RSU sends beaconing station dot information to electronic tag OBU, and described OBU comprises OBU power supply.
In the present embodiment, roadside unit RSU sends beaconing station dot information to being positioned at after the electronic tag OBU of car, by OBU, receives the beaconing station dot information that RSU sends.
Because OBU is arranged in the vehicle travelling on express highway section, and express highway section comprises a plurality of RSU, therefore, the vehicle that OBU is installed often enters in effective read range of a RSU, and RSU will send the OBU in the extremely corresponding vehicle of beaconing station dot information.
In the present embodiment, OBU itself, with power supply, has improved the transmitted power of signal, because transmitted power is improved, therefore the signal intensity that is sent to RSU is enhanced, the signal intensity of passing vehicle pad pasting also strengthens, thereby has reduced the impact of vehicle pad pasting deamplification.
In the present embodiment, OBU itself, with power supply, sends wireless signal power supply without RSU, has reduced the energy consumption of RSU.And OBU by itself with Power supply, than sending wireless signal by RSU, power, overall energy consumption is lower.
In the present embodiment, electronic tag OBU can be double frequency RFID electronic tag, can certainly be single-frequency RFID electronic tag.
Step S12: described RSU receives described OBU and receiving the information of vehicles feeding back after the dot information of described beaconing station.
OBU, after receiving the beaconing station dot information of RSU transmission, can feed back the information of vehicles of OBU record to corresponding RSU.RSU receives the information of vehicles of OBU feedback.
In the present embodiment, the information of vehicles of OBU feedback at least comprises: OBU ID and license plate number.
Step S13: described RSU often receives an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number.
In the present embodiment, RSU is not when receiving any one information of vehicles, when vehicle in front number can be initially zero.
RSU often receives an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number.
Step S14: described RSU, according to when vehicle in front number, calculates the vehicle flowrate in current preset duration.
In the present embodiment, RSU can, according to when vehicle in front number, calculate the vehicle flowrate in current preset duration.
In the present embodiment, current preset duration can be data center or server transmission, can certainly preset duration for the acquiescence of RSU storage.
The data that vehicle flowrate of current preset duration obtains divided by current preset duration when vehicle in front number.
In this application, roadside unit RSU sends beaconing station dot information to the double frequency RFID electronic tag OBU that is positioned at car, and described OBU comprises OBU power supply; Described RSU receives described OBU and is receiving the information of vehicles sending after the dot information of described beaconing station; Described RSU often receives an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number; Described RSU, according to when vehicle in front number, calculates the vehicle flowrate in current preset duration.
Because RSU and OBU are that device in ambiguous path system and the RSU in ambiguous path system are arranged on freeway, therefore, by the RSU in ambiguous path system and OBU, can add up the vehicle flowrate in each section in highway, without increasing extras, reduced statistics cost.OBU includes OBU power supply, for type active RFID electronic label, improved the transmitted power of signal, the signal that makes to be sent to RSU is strong, reduce the impact of vehicle pad pasting deamplification, thereby overcome the accuracy that reads difficult problem and improved vehicle flowrate result.And the OBU Power supply that OBU comprises by it, powers to OBU than RSU wireless signal emission, has reduced energy consumption.
Another embodiment
In the present embodiment, expand the another kind of vehicle flowrate method based on ambiguous path recognition system on the basis of a kind of vehicle flowrate method based on ambiguous path recognition system shown in Fig. 1, detailed process refers to Fig. 2.Fig. 2 shows the another kind of process flow diagram of a kind of vehicle flowrate method based on ambiguous path recognition system that the application provides, and can comprise the following steps:
Refer to Fig. 2, a kind of process flow diagram that it shows a kind of vehicle flowrate method based on ambiguous path recognition system that the application provides, can comprise the following steps:
Step S21: roadside unit RSU sends beaconing station dot information to electronic tag OBU, and described OBU comprises OBU power supply.
Step S22: described RSU receives described OBU and receiving the information of vehicles feeding back after the dot information of described beaconing station.
Step S23: described RSU often receives an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number.
Step S21, step S22 are identical with step S13 with step S11, step S12 in a kind of vehicle flowrate method based on ambiguous path recognition system shown in Fig. 1 with step S23, do not repeat them here.
Step S24: described RSU, according to when vehicle in front number, calculates the vehicle flowrate in current preset duration, and return and carry out described roadside unit RSU transmission beaconing station dot information to this step of electronic tag OBU that is positioned at car.
In the present embodiment, RSU can calculate the vehicle flowrate in current preset duration according to when vehicle in front number, and returns to execution step S21, to realize, calculates vehicle flowrate within continuous time.
In the present embodiment, current preset duration can be data center or server transmission, can certainly preset duration for the acquiescence of RSU storage.
The data that vehicle flowrate of current preset duration obtains divided by current preset duration when vehicle in front number.
The present embodiment is than a kind of vehicle flowrate method based on ambiguous path recognition system shown in Fig. 1, can not receive cease and desist order in the situation that continuous continual calculating vehicle flowrate.
Another embodiment
In the present embodiment, what illustrate is that RSU is according to working as vehicle in front number, calculate the vehicle flowrate in current preset duration, and return and carry out the detailed process that described roadside unit RSU sends beaconing station dot information this step of electronic tag OBU extremely, refer to Fig. 3, Fig. 3 shows a kind of sub-process figure of a kind of vehicle flowrate method based on ambiguous path recognition system that the application provides, and can comprise the following steps:
Step S31: when vehicle in front number is divided by described current preset duration, calculate the vehicle flowrate in current preset duration by described.
Step S32: empty when vehicle in front number.
After vehicle flowrate in calculating current preset duration, empty when vehicle in front number is when the numerical value of vehicle in front number returns to original state.Empty when vehicle in front number, can simplify the vehicle flowrate computation process in next current preset duration and avoid miscount.
Step S33: the brand-new default duration that judges whether to receive described data center or server transmission.
Emptying when vehicle in front number, RSU judges whether to receive the brand-new default duration of data center or server transmission, if receive, performs step S24, if do not receive, performs step S25.
Step S34: determine that described brand-new default duration is current preset duration, return and carry out described roadside unit RSU transmission beaconing station dot information to electronic tag OBU.
Step S35: the default duration of acquiescence of determining storage is current preset duration, returns and carries out described roadside unit RSU transmission beaconing station dot information to electronic tag OBU.
Another embodiment
In the present embodiment, expand the another kind of vehicle flowrate method based on ambiguous path recognition system on the basis of a kind of vehicle flowrate method based on ambiguous path recognition system shown in Fig. 2, detailed process refers to Fig. 4.Fig. 4 shows the another kind of process flow diagram of a kind of vehicle flowrate method based on ambiguous path recognition system that the application provides, and can comprise the following steps:
Step S41: roadside unit RSU sends beaconing station dot information to electronic tag OBU, and described OBU comprises OBU power supply.
Step S42: described RSU receives described OBU and receiving the information of vehicles feeding back after the dot information of described beaconing station.
Step S43: described RSU often receives an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number.
Step S41, step S42 are identical with step S33 with step S31, step S32 in a kind of vehicle flowrate method based on ambiguous path recognition system shown in Fig. 1 with step S43, do not repeat them here.
Step S44: described RSU, according to when vehicle in front number, calculates the vehicle flowrate in current preset duration.
Wherein, RSU, according to when vehicle in front number, calculates detailed process and the foundation of the RSU shown in Fig. 3 of the vehicle flowrate in current preset duration and works as vehicle in front number, and the detailed process of calculating the vehicle flowrate in current preset duration is identical, does not repeat them here.
Step S45: send described vehicle flowrate to data center or server.
In the present embodiment, RSU is sent to data center or server by the vehicle flowrate calculating.
In the present embodiment, data center or server, for controlling the computing machine that can network in whole section (or whole freeway net) in freeway facility, (can be a common computer, also can be mainframe computer or server), there is the function that communication, data storage, computing and control and its connection device move.
Wherein, RSU can be sent to data center or server by wire communication or radio communication by the vehicle flowrate calculating.
Another embodiment
In the present embodiment, expand the another kind of vehicle flowrate method based on ambiguous path recognition system on the basis of a kind of vehicle flowrate method based on ambiguous path recognition system shown in Fig. 4, detailed process refers to Fig. 5.Fig. 5 shows another process flow diagram of a kind of vehicle flowrate method based on ambiguous path recognition system that the application provides, can comprise the following steps:
Step S51: roadside unit RSU sends beaconing station dot information to electronic tag OBU, and described OBU comprises OBU power supply.
Step S52: described RSU receives described OBU and receiving the information of vehicles feeding back after the dot information of described beaconing station.
Step S53: described RSU often receives an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number.
Step S54: described RSU, according to when vehicle in front number, calculates the vehicle flowrate in current preset duration, and return and carry out described roadside unit RSU transmission beaconing station dot information to this step of electronic tag OBU.
Wherein, RSU, according to when vehicle in front number, calculates detailed process and the foundation of the RSU shown in Fig. 3 of the vehicle flowrate in current preset duration and works as vehicle in front number, and the detailed process of calculating the vehicle flowrate in current preset duration is identical, does not repeat them here.
Step S51, step S52, step S53 and step S54 are identical with step S44 with step S41, step S42, step S43 in a kind of vehicle flowrate method based on ambiguous path recognition system shown in Fig. 4, do not repeat them here.
Step S55: send described vehicle flowrate to data center or server.
Step S56: send to discharge link instruction, with finish with described OBU between communicate by letter.
OBU receive discharge link instruction after no longer response send any instruction of the RSU that discharges link instruction, avoided RSU constantly to receive OBU feedack and the too much situation of RSU deal with data that causes.
Another embodiment
In the present embodiment, expand the another kind of vehicle flowrate method based on ambiguous path recognition system on the basis of a kind of vehicle flowrate method based on ambiguous path recognition system shown in Fig. 5, detailed process refers to Fig. 6.Fig. 6 shows the another kind of process flow diagram of a kind of vehicle flowrate method based on ambiguous path recognition system that the application provides, and can comprise the following steps:
Step S61: roadside unit RSU sends beaconing station dot information to electronic tag OBU, and described OBU comprises OBU power supply.
Step S62: described RSU receives described OBU and receiving the information of vehicles feeding back after the dot information of described beaconing station.
Step S63: described RSU often receives an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number.
Step S61, step S42 are identical with step S33 with step S31, step S32 in a kind of vehicle flowrate method based on ambiguous path recognition system shown in Fig. 1 with step S43, do not repeat them here.
Step S64: described RSU, according to when vehicle in front number, calculates the vehicle flowrate in current preset duration.
Step S65: send described vehicle flowrate to data center or server.
Step S66: send to discharge link instruction, with finish with described OBU between communicate by letter.
Step S61, step S62, step S63, step S64, step S65 and step S66 are identical with step S56 with step S51, step S52, step S53, step S54, step S55 in a kind of vehicle flowrate method based on ambiguous path recognition system shown in Fig. 5, do not repeat them here.
Step S67: return and carry out described roadside unit RSU transmission beaconing station dot information to this step of electronic tag OBU.
OBU receive discharge link instruction after no longer response send any instruction of the RSU that discharges link instruction, avoided RSU constantly to receive OBU feedack and the too much situation of RSU deal with data that causes.
After sending the instruction of release link, return to execution step S61.
In the above-described embodiments, OBU periodically monitors beaconing station dot information, in the situation that monitoring beaconing station dot information, by intermittent mode, is converted to mode of operation, receives described beaconing station dot information.Wherein, intermittent mode is battery saving mode.
For aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the application is not subject to the restriction of described sequence of movement, because according to the application, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in instructions all belongs to preferred embodiment, and related action and module might not be that the application is necessary.
Embodiment is corresponding with said method, the application provides a kind of a kind of structural representation of the vehicle flowrate system based on ambiguous path recognition system, refer to Fig. 7, the vehicle flowrate system based on ambiguous path recognition system comprises: roadside unit RSU71 and electronic tag OBU72.Wherein:
Roadside unit RSU71, be used for sending beaconing station dot information to electronic tag OBU, receive described OBU and receiving the information of vehicles feeding back after the dot information of described beaconing station, often receive an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number, and according to when vehicle in front number, calculate the vehicle flowrate in current preset duration, and return and carry out transmission beaconing station dot information to electronic tag OBU.
Electronic tag OBU72, the beaconing station dot information sending for receiving described RSU, and feed back information of vehicles to described RSU.
Wherein electronic tag OBU72 comprises OBU power supply.
In the present embodiment, the concrete structure of roadside unit RSU71 can be referring to Fig. 8, and shown in Fig. 8 is a kind of structural representation of a kind of roadside unit RSU of providing of the application, and roadside unit RSU comprises:
The first transmitting element 81, receiving element 82, the first computing unit 83 and the second computing unit 84.
The first transmitting element 81, for sending beaconing station dot information to electronic tag OBU.
Receiving element 82, is receiving for receiving described OBU the information of vehicles feeding back after the dot information of described beaconing station.
The first computing unit 83, for often receiving an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number.
The second computing unit 84, for according to when vehicle in front number, calculates the vehicle flowrate in current preset duration.
In the above-described embodiments, the second computing unit 84 also, for according to when vehicle in front number, after calculating the vehicle flowrate in current preset duration, returns and carries out the first transmitting element 81.
Wherein, the second computing unit 84 is being worked as vehicle in front number for foundation, calculate the vehicle flowrate in current preset duration, and return in the situation of carrying out the first transmitting element 81, the concrete structure of the second computing unit 84 can be referring to Fig. 9, shown in Fig. 9 is a kind of structural representation of a kind of the second computing unit of providing of the application, and the second computing unit comprises:
The 3rd computing unit 91, empty unit 92, judging unit 93, the first determining unit 94 and the second determining unit 95.
The 3rd computing unit 91, for by described when vehicle in front number divided by described current preset duration, calculate the vehicle flowrate in current preset duration.
Judging unit 93, for judging whether to receive the brand-new default duration of described data center or server transmission, if so, carries out the first determining unit 94, if not, carries out the second determining unit 95.
The first determining unit 94, for determining that described brand-new default duration is current preset duration, returns and carries out described the first transmitting element 81.
The second determining unit 95, for determining that the default duration of acquiescence of storage is current preset duration, returns and carries out described the first transmitting element 81.
Another embodiment
In the present embodiment, expand another kind of roadside unit RSU on the basis of a kind of roadside unit RSU shown in Fig. 8, concrete formation refers to Figure 10.The another kind of structural representation of a kind of roadside unit RSU that wherein Figure 10 provides for the application also comprises on the basis of a kind of roadside unit RSU shown in Fig. 8: the second transmitting element 101, and for sending described vehicle flowrate to data center or server.
Another embodiment
In the present embodiment, expand another kind of roadside unit RSU on the basis of a kind of roadside unit RSU shown in Figure 10, concrete formation refers to Figure 11.Another structural representation of a kind of roadside unit RSU that wherein Figure 11 provides for the application, on the basis of a kind of roadside unit RSU shown in Figure 10, also comprise: the 3rd transmitting element 111, be used for sending and discharge link instruction, with finish with described OBU between communicate by letter.
It should be noted that, each embodiment in this instructions all adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.For device class embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
A kind of vehicle flowrate method and system based on ambiguous path recognition system that above the application provided are described in detail, applied specific case herein the application's principle and embodiment are set forth, the explanation of above embodiment is just for helping to understand the application's method and core concept thereof; Meanwhile, for one of ordinary skill in the art, the thought according to the application, all will change in specific embodiments and applications, and in sum, this description should not be construed as the restriction to the application.
Claims (10)
1. the vehicle flowrate method based on ambiguous path recognition system, is characterized in that, comprising:
Roadside unit RSU sends beaconing station dot information to electronic tag OBU, and described OBU comprises OBU power supply;
Described RSU receives described OBU and is receiving the information of vehicles feeding back after the dot information of described beaconing station;
Described RSU often receives an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number;
Described RSU, according to when vehicle in front number, calculates the vehicle flowrate in current preset duration.
2. method according to claim 1, is characterized in that, in foundation, when vehicle in front number, after calculating the vehicle flowrate in current preset duration, also comprises:
Return and carry out described roadside unit RSU transmission beaconing station dot information to this step of electronic tag OBU.
3. method according to claim 1, is characterized in that, described foundation, when vehicle in front number, after calculating the vehicle flowrate in current preset duration, also comprises:
Send described vehicle flowrate to data center or server;
Sending described vehicle flowrate to data center or server, also comprising:
Send to discharge link instruction, with finish with described OBU between communicate by letter.
4. method according to claim 2, is characterized in that, described foundation, when vehicle in front number, is calculated the vehicle flowrate in current preset duration, returns and carries out described roadside unit RSU transmission beaconing station dot information to the process of electronic tag OBU, comprising:
By described, when vehicle in front number is divided by described current preset duration, calculate the vehicle flowrate in current preset duration;
Empty when vehicle in front number;
Judge whether to receive the brand-new default duration of described data center or server transmission;
If so, determine that described brand-new default duration is current preset duration, return and carry out described roadside unit RSU transmission beaconing station dot information to electronic tag OBU;
If not, determine that the default duration of acquiescence of storage is current preset duration, return and carry out described roadside unit RSU transmission beaconing station dot information to electronic tag OBU.
5. according to the method described in claim 1-4, it is characterized in that, described OBU periodically monitors beaconing station dot information, in the situation that monitoring beaconing station dot information, by intermittent mode, is converted to mode of operation, receives described beaconing station dot information.
6. according to the method described in claim 1-4, it is characterized in that, described information of vehicles at least comprises:
OBU ID and license plate number;
Described electronic tag OBU comprises: double frequency RFID electronic tag.
7. the vehicle flowrate system based on ambiguous path recognition system, is characterized in that, comprising:
Roadside unit RSU, be used for sending beaconing station dot information to electronic tag OBU, receive described OBU and receiving the information of vehicles feeding back after the dot information of described beaconing station, often receive an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number, and according to when vehicle in front number, calculate the vehicle flowrate in current preset duration, and return and carry out transmission beaconing station dot information to electronic tag OBU;
Electronic tag OBU, the beaconing station dot information sending for receiving described RSU, and feed back information of vehicles to described RSU, wherein said OBU comprises OBU power supply;
Wherein, described roadside unit RSU comprises:
The first transmitting element, for sending beaconing station dot information to electronic tag OBU;
Receiving element, is receiving for receiving described OBU the information of vehicles feeding back after the dot information of described beaconing station;
The first computing unit, for often receiving an information of vehicles, to carrying out add-one operation when vehicle in front number, and using add after 1 when vehicle in front number is as when vehicle in front number;
The second computing unit, for according to when vehicle in front number, calculates the vehicle flowrate in current preset duration.
8. system according to claim 7, is characterized in that, described the second computing unit also, for according to when vehicle in front number, after calculating the vehicle flowrate in current preset duration, returns and carries out the first transmitting element.
9. system according to claim 7, is characterized in that, described roadside unit RSU also comprises:
The second transmitting element, for sending described vehicle flowrate to data center or server;
The roadside unit RSU that includes described the second transmitting element also comprises: the 3rd transmitting element, for sending, discharge link instruction, with finish with described OBU between communicate by letter.
10. system according to claim 8, is characterized in that, described the second computing unit comprises:
The 3rd computing unit, for by described when vehicle in front number divided by described current preset duration, calculate the vehicle flowrate in current preset duration;
Empty unit, for emptying when vehicle in front number;
Judging unit, for judging whether to receive the brand-new default duration of described data center or server transmission, if so, carries out the first determining unit, if not, carries out the second determining unit;
The first determining unit, for determining that described brand-new default duration is current preset duration, returns and carries out described the first transmitting element;
The second determining unit, for determining that the default duration of acquiescence of storage is current preset duration, returns and carries out described the first transmitting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310522212.1A CN103730014B (en) | 2013-10-29 | 2013-10-29 | A kind of statistical method of traffic flow based on ambiguous path identifying system and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310522212.1A CN103730014B (en) | 2013-10-29 | 2013-10-29 | A kind of statistical method of traffic flow based on ambiguous path identifying system and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103730014A true CN103730014A (en) | 2014-04-16 |
| CN103730014B CN103730014B (en) | 2017-03-08 |
Family
ID=50454066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310522212.1A Active CN103730014B (en) | 2013-10-29 | 2013-10-29 | A kind of statistical method of traffic flow based on ambiguous path identifying system and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103730014B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104794929A (en) * | 2015-04-10 | 2015-07-22 | 成都锐奕信息技术有限公司 | Highway network operating monitoring and managing system |
| CN107886584A (en) * | 2017-10-27 | 2018-04-06 | 深圳市金溢科技股份有限公司 | Sending control method, controller, roadside unit and the toll tags of wake-up signal |
| CN110083594A (en) * | 2019-04-24 | 2019-08-02 | 广东联合电子服务股份有限公司 | A kind of elimination method and device of terminating machine jump data |
| CN113963550A (en) * | 2020-07-21 | 2022-01-21 | 阿里巴巴集团控股有限公司 | Ambiguous path identification method and device and electronic equipment |
| CN115830730A (en) * | 2022-11-15 | 2023-03-21 | 广州铭创通讯科技有限公司 | RSU equipment integrating ETC fee deduction, traffic flow monitoring and Beidou positioning |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101123456A (en) * | 2006-08-09 | 2008-02-13 | 北京握奇数据系统有限公司 | Communication method for onboard units and byroad units of ETC system based on WLAN |
| CN101739828A (en) * | 2009-11-18 | 2010-06-16 | 大连理工大学 | Urban traffic area jamming judgment method by combining road traffic and weather state |
| CN101777259A (en) * | 2010-01-22 | 2010-07-14 | 同济大学 | Method for acquiring mean delay of urban road junction |
| WO2010098559A2 (en) * | 2009-02-26 | 2010-09-02 | Korea Advanced Institute Of Science And Technology | Traffic signal control system and method |
| KR20110008443A (en) * | 2009-07-20 | 2011-01-27 | 한국건설기술연구원 | System for roadway information and method for operating the same |
| CN102104400A (en) * | 2011-02-15 | 2011-06-22 | 深圳市金溢科技有限公司 | Communication method for on-vehicle unit and roadside base station in ambiguous path identification system |
| CN102479391A (en) * | 2010-11-23 | 2012-05-30 | 天津中兴软件有限责任公司 | Implementation method of disassembly-prevention OBU (on board unit) |
| CN102760360A (en) * | 2012-07-26 | 2012-10-31 | 南京洛普股份有限公司 | Traffic intersection vehicle flow single detector detection method based on decision theory |
| JP5317947B2 (en) * | 2009-12-15 | 2013-10-16 | 三菱電機株式会社 | Traffic flow measurement system, in-vehicle device and roadside communication device |
-
2013
- 2013-10-29 CN CN201310522212.1A patent/CN103730014B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101123456A (en) * | 2006-08-09 | 2008-02-13 | 北京握奇数据系统有限公司 | Communication method for onboard units and byroad units of ETC system based on WLAN |
| WO2010098559A2 (en) * | 2009-02-26 | 2010-09-02 | Korea Advanced Institute Of Science And Technology | Traffic signal control system and method |
| KR20110008443A (en) * | 2009-07-20 | 2011-01-27 | 한국건설기술연구원 | System for roadway information and method for operating the same |
| CN101739828A (en) * | 2009-11-18 | 2010-06-16 | 大连理工大学 | Urban traffic area jamming judgment method by combining road traffic and weather state |
| JP5317947B2 (en) * | 2009-12-15 | 2013-10-16 | 三菱電機株式会社 | Traffic flow measurement system, in-vehicle device and roadside communication device |
| CN101777259A (en) * | 2010-01-22 | 2010-07-14 | 同济大学 | Method for acquiring mean delay of urban road junction |
| CN102479391A (en) * | 2010-11-23 | 2012-05-30 | 天津中兴软件有限责任公司 | Implementation method of disassembly-prevention OBU (on board unit) |
| CN102104400A (en) * | 2011-02-15 | 2011-06-22 | 深圳市金溢科技有限公司 | Communication method for on-vehicle unit and roadside base station in ambiguous path identification system |
| CN102760360A (en) * | 2012-07-26 | 2012-10-31 | 南京洛普股份有限公司 | Traffic intersection vehicle flow single detector detection method based on decision theory |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104794929A (en) * | 2015-04-10 | 2015-07-22 | 成都锐奕信息技术有限公司 | Highway network operating monitoring and managing system |
| CN107886584A (en) * | 2017-10-27 | 2018-04-06 | 深圳市金溢科技股份有限公司 | Sending control method, controller, roadside unit and the toll tags of wake-up signal |
| CN110083594A (en) * | 2019-04-24 | 2019-08-02 | 广东联合电子服务股份有限公司 | A kind of elimination method and device of terminating machine jump data |
| CN113963550A (en) * | 2020-07-21 | 2022-01-21 | 阿里巴巴集团控股有限公司 | Ambiguous path identification method and device and electronic equipment |
| CN115830730A (en) * | 2022-11-15 | 2023-03-21 | 广州铭创通讯科技有限公司 | RSU equipment integrating ETC fee deduction, traffic flow monitoring and Beidou positioning |
| CN115830730B (en) * | 2022-11-15 | 2024-10-01 | 广州铭创通讯科技有限公司 | RSU equipment integrating ETC fee deduction, traffic flow monitoring and Beidou positioning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103730014B (en) | 2017-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101866499B (en) | Electronic tag accurate identification method for non-stopping toll administration | |
| CN103730014A (en) | Traffic flow statistical method and system based on ambiguity path recognition system | |
| CN103383779A (en) | Method, device and system for electronic toll collection without stopping vehicle | |
| CN107886584A (en) | Sending control method, controller, roadside unit and the toll tags of wake-up signal | |
| KR101060460B1 (en) | Real-time traffic information providing system and method for preventing vehicle clustering phenomenon of traffic flow | |
| CN102779421A (en) | Method and system for updating road condition information in real time based on vehicle tablet terminal | |
| CN102663895A (en) | Container truck jamming prompting system and realizing method thereof for container terminals | |
| CN104346836A (en) | Electronic toll collection method and system integrated with path identification function | |
| CN103544843B (en) | Road Traffic Organisation's method, Apparatus and system | |
| CN102968824A (en) | Vehicle management system based on optical communication | |
| CN105184352A (en) | Method for communication between composite pass card and single-frequency reader-writer, and composite pass card | |
| CN109191843A (en) | Vehicle monitoring method, apparatus, server and base station | |
| CN105160717B (en) | Traffic cloud service method, system, subsystem, board units and the network terminal | |
| Zhang et al. | Optimal placement in RFID-integrated VANETs for intelligent transportation system | |
| CN103473820A (en) | Free-flow electronic non-stop toll collection lane system and method based on continuous processing | |
| CN103198651A (en) | Taxi real-time supervision and control system based on wireless radio frequency identification (RFID) | |
| CN102622782B (en) | Automatic toll collection method based on two-dimensional space | |
| CN110381448A (en) | The method and apparatus for realizing bus or train route collaboration based on dedicated short-range communication technology | |
| CN214410082U (en) | Electronic toll collection device and system | |
| CN105788259A (en) | Highway monitoring system for obtaining vehicle driving path | |
| CN105719481A (en) | Expressway vehicle driving path recording system | |
| CN105426936A (en) | Ambiguous path RFID system in response to manual electromagnetic shielding and interactive communication method of system | |
| CN105679039A (en) | Monitoring system for obtaining traffic state of highway | |
| CN104052812A (en) | Logistics vehicle fault detection communication system | |
| CN110363982A (en) | Model recognizing method, terminal device and storage medium based on roadside radio-cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Nanshan District Keyuan Road Shenzhen city Guangdong province 518057 Tsinghua building A building 12 layer Applicant after: SHENZHEN GENVICT TECHNOLOGY CO., LTD. Address before: Nanshan District Keyuan Road Shenzhen city Guangdong province 518057 Tsinghua building A building 12 layer Applicant before: Shenzhen Jinyi Technologies Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHENZHEN JINYI TECHNOLOGIES CO., LTD. TO: SHENZHEN GENVICT TECHNOLOGY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |