CN106601005A - City intelligent traffic induction method based on RFID and WeChat platform - Google Patents

City intelligent traffic induction method based on RFID and WeChat platform Download PDF

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Publication number
CN106601005A
CN106601005A CN201710117852.2A CN201710117852A CN106601005A CN 106601005 A CN106601005 A CN 106601005A CN 201710117852 A CN201710117852 A CN 201710117852A CN 106601005 A CN106601005 A CN 106601005A
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China
Prior art keywords
vehicle
rfid
information
server
congestion
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CN201710117852.2A
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Chinese (zh)
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CN106601005B (en
Inventor
石云鹏
蔡冬
于希萌
王晓珮
于子洋
张洪瑜
邱悦
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青岛海澄知识产权事务有限公司
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Publication of CN106601005A publication Critical patent/CN106601005A/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/09675Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096775Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096855Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096877Systems involving transmission of navigation instructions to the vehicle where the input to the navigation device is provided by a suitable I/O arrangement
    • G08G1/096883Systems involving transmission of navigation instructions to the vehicle where the input to the navigation device is provided by a suitable I/O arrangement where input information is obtained using a mobile device, e.g. a mobile phone, a PDA

Abstract

The present invention belongs to the real-time traffic status navigation technology field, and relates to a city intelligent traffic induction method based on a RFID and a WeChat platform. The concrete technology comprises: a RFID reading device reads the information of RFID chips in vehicles and sends the information to a database terminal for calculation and processing, the passing time T(N) of each time on a road section is monitored to evaluate the jamming condition of the road section, if T(N)<1.5T(S), the jamming condition is evaluated as the low-severity jamming, if 2.0T(S)> T(N)>=1.5T(S), the jamming condition is evaluated as the mid-severity jamming, and if T(N)>=2.0T(S), the jamming condition is evaluated as the high-severity jamming, the vehicle jamming quantity S(N) and the vehicle jamming quantity growth rate F(N1) on the road section are employed to evaluate the condition changing trend, and a server calls corresponding information and send the corresponding information to the official account of a user phone terminal according to the query request received by an intelligent traffic induction WeChat public platform. The city intelligent traffic induction method based on the RFID and WeChat platform is simple in structure, reliable in principle and low in installation, can effectively monitor the road traffic jamming condition, can perform effective induction, and is friendly in application environment and wide in the market prospect.

Description

It is a kind of based on RFID and the municipal intelligent traffic abductive approach of wechat platform
Technical field:
The invention belongs to real-time road field of navigation technology, is related to a kind of by wireless automatic identification technology collection road conditions letter The method for ceasing and carrying out traffic guidance, it is particularly a kind of based on RFID and the municipal intelligent traffic abductive approach of wechat platform, lead to Cross mobile phone terminal and receive Traffic Information, to understand the road conditions of travel route in real time, and carry out optimal route induction.
Background technology:
As economic continuous development and the development of social development process are constantly advanced, the process of urbanization is constantly pushed away Enter, while giving people life and bring convenience, there is also many drawbacks, such as no matter in the almost all of city in big-and-middle small city Traffic congestion is all more or less there is, this gives people trip and increased inconvenience, along with accidental vehicle accident and road What maintenance more have impact on people goes out line efficiency, increases people's time cost on the way, and private car recoverable amount remains high The reason for being the one side for causing traffic congestion, so various places government actively promotes public transport development, to promote more people to take advantage of Sit public transport to administer traffic congestion, but household economy strength is reached after certain level, private car recoverable amount nature Can improve constantly, thus the private car quantity on road is difficult larger reduction, therefore, induced by intelligent transportation, make row The vehicle sailed on the way grasps accurate traffic information, and reasonable selection traffic path is effective handss of solving road congestion problems Section, therefore, design a kind of based on RFID and the municipal intelligent traffic abductive approach of wechat platform, counted by REID Each road section traffic volume jam situation, and data message is delivered to into data center, data base is stored in after being uniformly processed, according to driving The request that person's mobile phone terminal sends, is sent to corresponding traffic information.
The content of the invention:
It is an object of the invention to the shortcoming for overcoming prior art to exist, seeks design one kind based on RFID and wechat platform Municipal intelligent traffic abductive approach, can be widely applied for driving the intelligent route planning gone on a journey, simple to operate, intelligent journey Degree is high, can effectively alleviate traffic congestion.
To achieve these goals, it is according to the present invention based on RFID and the municipal intelligent traffic abductive approach of wechat platform Realize in intelligent transportation apparatus for deivation, its concrete technology step includes:
(1), major urban arterial highway planning and RFID read equipment and install:
As shown in figure 1, communicate in length and breadth between the first major trunk roads in city and between the first major trunk roads and non-major trunk roads 4, It is main doorway that first major trunk roads turn in the crossing of other the second major trunk roads, and first main doorway of major trunk roads is to next Part between individual main doorway is section, and with centrage as boundary, centrage both sides are respectively to vehicle phase in each section To traveling section A and section B, section A and section B vehicle entrance point and vehicles while passing mouth end equipped with RFID read equipment, By taking the A of section as an example, the RFID of entrance point reads equipment to gather the information into section A vehicles, and registration of vehicle is entered should The time of section A, and the vehicle fleet size into the section is counted, the RFID of the port of export reads equipment and leaves the section to gather The information of A vehicles, registration of vehicle leaves the time of section A, and counts the vehicle fleet size into the section;To whether being trunk The criterion of the main doorway beside road is, by the data that stored in existing road traffic monitoring system to the road Mouth turnover is counted to the vehicle flowrate of major trunk roads, calculates the vehicle flowrate percentage ratio that crossing turnover vehicle flowrate accounts for section A, The meansigma methodss of vehicle flowrate percentage ratio in two weeks are taken, if it exceeds 10%, then it is assumed that the crossing is main doorway, is otherwise regarded as Non-principal gateway, does not install RFID and reads equipment;
(2), vehicle installs RFID chip:
RFID chip is installed on vehicle, record has information of vehicles in chip, while transmission signal can be read by RFID setting Standby collection, and the information for being provided with the vehicle of RFID chip is stored in database terminal;
(3), obtain information of vehicles and be delivered to database terminal:
The RFID of section arrival end and the port of export reads equipment and the information of vehicles entered and left in the section is adopted Collection, the RFID of arrival end reads equipment and records each vehicle into the time in section, and the RFID of the port of export reads equipment and records The time in section is left, database terminal receives above- mentioned information, and calculates each vehicle in the running time in the section and remember Record, while database terminal recorded the vehicle fleet size into section, the time period root of registration of vehicle quantity in units of 10 minutes Suitably adjusted according to the length in section and the size of history average vehicle flow;
(4), database terminal carries out data processing:
Database terminal reads the next invalid data of device transmission to RFID and excludes, and is with the vehicle into section A Example, after vehicle is entered from the upstream end of section A, if turning around from the B of section to go out in section, the port of export of section A is not The information of the vehicle can be collected, database terminal screens out the information;After Some vehicles are entered from the upstream end of section A, from non- Major trunk roads leave section A, then the port of export of section A can not collect the information of the vehicle, and database terminal screens out the information; Vehicle from section A upstream end enter after for some reason barrier or other reasonses cause, not by normal speed from the port of export of section A from Open, cause the running time that database terminal is calculated to be much larger than other vehicles of same time period, to this kind of data screening mode such as Under, the vehicle is extracted into the moment of section A upstream ends, on the basis of the moment, extract 5 minutes and latter 5 minutes before the moment Into the running time of all vehicles of section A upstream ends, average as T1, the running time T with the vehicle2It is compared, If T2>2T1, then the data are screened out, data are screened out after finishing, remaining for available data sample, store standby in data base With;
(5), input reference data in database terminal:
If the first major trunk roads in city are divided into after trunk section according to the method described in step one, by existing road Traffic surveillance and control system tests each section and the time used by end of leaving is being entered into from entrance point, tests the speed of vehicle to be tested The 80% of the max. speed that section specifies, it is described to test what is carried out in the case of the section is unimpeded, by each section for measuring Running time is with T(S)Represent, and input database terminal is standby;
(6), database terminal is calculated jam situation:
By monitoring each vehicle in section transit time T(N)To evaluate the jam situation in section, T(N)<1.5T(S)Then gather around Stifled state evaluation be slight congestion, 2.0T(S)>T(N)>=1.5T(S)Then congestion status are evaluated as moderate congestion, T(N)>=2.0T(S) Then congestion status are evaluated as severe congestion;By calculating vehicle congestion quantity S on section(N)With vehicle congestion quantity rate of increase F(N1)To evaluate the jam situation variation tendency in section, vehicle congestion quantity rate of increase is to measure every five minutes on same section Vehicle fleet size increase and decrease situation, when it is determined that section congestion after, work as F(N1)>0 and when vertically becoming larger, represent the road Section congestion is increasingly severe, F(N1)=0 represents that the congestion in the section remains stable, F(N1)<0 and when tapering into, expression is gathered around It is stifled more and more lighter;RFID reads equipment by the data transfer for reading to database terminal, and database terminal utilizes what is collected Data store result of calculation carrying out above-mentioned calculating and evaluation, when server sends transfers instruction, by database terminal Data be adjusted in server for using;
(7), wechat public platform is induced to send information to mobile phone terminal by intelligent transportation:
One intelligent transportation of city traffic management department application induces wechat public platform, vehicle driver applicant city intelligence The wechat public platform subscription number of energy traffic guidance, becomes intelligent transportation induction wechat public platform member, intelligent transportation induction Wechat public platform backstage connection server, server connection data storehouse terminal, the intelligent transportation induces wechat public platform Including two modules, a module is public pushing module, after the data processing that data base will read equipment reception from RFID, meter The road of heavy congestion is calculated out, and these traffic informations are sent to server, sent by server to the handss of each user Generator terminal, is easy to all users to know, inquiry service, the use of mobile phone mobile terminal point-to-point can be provided the user with another module Family can induce wechat public platform to send enquiring route request by intelligent transportation, and server is received after request, from data Called data in storehouse, the information of respective stretch is sent to the mobile phone mobile terminal of inquiry user, and mobile phone terminal driver checks After the information in section, unobstructed section is selected in advance according to jam situation.
The agent structure of intelligent transportation apparatus for deivation according to the present invention includes:RFID chip, RFID read equipment, data Storehouse terminal, server and intelligent transportation induction wechat public platform, RFID chip is provided by vehicle supervision department, is installed on machine On motor-car, record has information of vehicles in RFID chip, and RFID reads equipment and is installed on section arrival end and the port of export, to read The information learnt from else's experience on the vehicle of section arrival end and the port of export in RFID chip, information includes vehicle model and reads information Time, and above- mentioned information is transmitted to reading in the database terminal that equipment communication is connected with installation RFID, database terminal is used To process and store the information obtained from RFID reading equipment, database terminal is connected with server communication, according to server The instruction for sending, corresponding information is sent to server, and server is induced with the intelligent transportation of installation on the mobile phone of driver Wechat public platform is communicated to connect, and server is receiving driver by intelligent transportation induction wechat public platform to server After the request for sending, server is transferred corresponding information and is sent to the mobile phone of driver according to corresponding request from database terminal On.
Compared with prior art, its simple structure, principle reliability, installation cost is low, can effectively monitor road for the present invention Traffic congestion situation, and can effectively be induced, applied environment is friendly, wide market.
Description of the drawings:
Fig. 1 is traffic guidance technological process schematic block diagram according to the present invention.
Fig. 2 is the apparatus structure schematic block diagram for realizing traffic guidance according to the present invention.
Fig. 3 is the signal transmission schematic process flow diagram of traffic guidance according to the present invention.
Specific embodiment:
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment.
Embodiment 1:
The present embodiment realizes that its concrete technology step includes in intelligent transportation apparatus for deivation:
(1), major urban arterial highway planning and RFID read equipment and install:
As shown in figure 1, phase in length and breadth between the first major trunk roads 5 in city and between the first major trunk roads 5 and non-major trunk roads 4 Logical, it is main doorway that the first major trunk roads 5 turn in the crossing of other the second major trunk roads 6, first main doorway of major trunk roads 5 It is section 3 to the part between next main doorway, with centrage as boundary, centrage both sides are respectively used in each section 3 The vehicle entrance point of the section 3A travelled in opposite directions with vehicle and section 3B, section 3A and section 3B and vehicles while passing mouth end are equipped with RFID reads equipment 1, and by taking the 3A of section as an example, the RFID of entrance point reads equipment 1 to gather the letter into section 3A vehicles Breath, registration of vehicle enters the time of section 3A, and counts the vehicle fleet size into the section, and the RFID of the port of export reads equipment 1 information that section 3A vehicles are left to gather, registration of vehicle leaves the time of section 3A, and counts into the section Vehicle fleet size;Criterion to being whether main doorway beside major trunk roads is, by existing traffic monitoring system The data stored in system are counted to the vehicle flowrate that the crossing is passed in and out to major trunk roads 5, are calculated the crossing turnover vehicle flowrate and are accounted for The vehicle flowrate percentage ratio of section 3A, takes the meansigma methodss of vehicle flowrate percentage ratio in two weeks, if it exceeds 10%, then it is assumed that the road Mouth is main doorway, otherwise regards as non-principal gateway, does not install RFID and reads equipment 1;
(2), vehicle installs RFID chip:
RFID chip is installed on vehicle, record has information of vehicles in chip, while transmission signal can be read by RFID setting Standby 1 collection, and the information for being provided with the vehicle of RFID chip is stored in database terminal;
(3), obtain information of vehicles and be delivered to database terminal:
The RFID of the arrival end of section 3 and the port of export reads the information of vehicles entered and left in the section 3 of equipment 1 pair and carries out Collection, the RFID of arrival end reads equipment 1 and records each vehicle into the time in section 3, and the RFID of the port of export reads equipment 1 and remembers Leave the time in section 3 under record, database terminal receives above- mentioned information, and calculate each vehicle in the traveling in the section 3 Between and record, while database terminal recorded the vehicle fleet size into section 3 in units of 10 minutes, registration of vehicle quantity when Between section suitably adjusted according to the length in section and the size of history average vehicle flow;
(4), database terminal carries out data processing:
Database terminal reads the next invalid data of the transmission of equipment 1 to RFID and excludes, with into the vehicle in 3A sections As a example by, after vehicle is entered from the upstream end of section 3A, if turning around from 3B to go out in section 3, the port of export of section 3A is simultaneously The information of the vehicle can not be collected, database terminal screens out the information;After Some vehicles are entered from the upstream end of section 3A, from Non- major trunk roads leave section 3A, then the port of export of section 3A can not collect the information of the vehicle, and database terminal screens out this Information;Vehicle hinders for some reason after entering from section 3A upstream ends or other reasonses are caused, not the going out from section 3A by normal speed Mouth end is left, and the running time that database terminal is calculated is caused much larger than other vehicles of same time period, to this kind of data screening Mode is as follows, extracts the vehicle into the moment of section 3A upstream ends, on the basis of the moment, extracted before the moment 5 minutes and The running time of all vehicles for entering section 3A upstream ends in 5 minutes afterwards, averages as T1, the running time T with the vehicle2 It is compared, if T2>2T1, then the data are screened out, data are screened out after finishing, remaining for available data sample, in data base Middle storage is standby;
(5), input reference data in database terminal:
If the first major trunk roads 5 in city are divided into after trunk section 3 according to the method described in step one, by existing road Road traffic surveillance and control system tests each section 3 and the time used by end of leaving is being entered into from entrance point, and the speed for testing vehicle is institute The 80% of the max. speed of the regulation of test segment 3, it is described to test what is carried out in the case of the section 3 is unimpeded, it is each by what is measured The running time in section 3 is with T(S)Represent, and input database terminal is standby;
(6), database terminal is calculated jam situation:
By monitoring each vehicle in the transit time T of section 3(N)To evaluate the jam situation in section 3, T(N)<1.5T(S)Then Congestion status are evaluated as slight congestion, 2.0T(S)>T(N)>=1.5T(S)Then congestion status are evaluated as moderate congestion, T(N)>= 2.0T(S)Then congestion status are evaluated as severe congestion;By calculating vehicle congestion quantity S on section 3(N)Increase with vehicle congestion quantity Long rate F(N1)To evaluate the jam situation variation tendency in section 3, vehicle congestion quantity rate of increase is every five points on same section 3 Vehicle fleet size that clock is measured increase and decrease situation, when it is determined that section 3 congestion after, work as F(N1)>0 and when vertically becoming larger, Represent that the congestion of section 3 is increasingly severe, F(N1)=0 represents that the congestion in the section 3 remains stable, F(N1)<0 and gradually become Hour, represent that congestion is more and more lighter;RFID reads equipment 1 by the data transfer for reading to database terminal, database terminal Above-mentioned calculating and evaluation are carried out using the data collected, and result of calculation is stored, when server sends transfers instruction, The data of database terminal are adjusted in server for using;
(7), wechat public platform is induced to send information to mobile phone terminal by intelligent transportation:
One intelligent transportation of city traffic management department application induces wechat public platform, vehicle driver applicant city intelligence The wechat public platform subscription number of energy traffic guidance, becomes intelligent transportation induction wechat public platform member, intelligent transportation induction Wechat public platform backstage connection server, server connection data storehouse terminal, the intelligent transportation induces wechat public platform Including two modules, a module is public pushing module, after data base will read the data processing that equipment 1 is received from RFID, The road of heavy congestion is calculated out, and these traffic informations are sent to server, sent to each user's by server Mobile phone terminal, is easy to all users to know, inquiry service point-to-point can be provided the user with another module, mobile phone mobile terminal User can induce wechat public platform to send enquiring route request by intelligent transportation, and server is received after request, from number According to called data in storehouse, the information of respective stretch 3 is sent to the mobile phone mobile terminal of inquiry user, mobile phone terminal driver is looking into After seeing the information in section 3, unobstructed section 3 is selected in advance according to jam situation.
The agent structure of the intelligent transportation apparatus for deivation that the present embodiment is related to includes:RFID read equipment 1, RFID chip 7, Intelligent transportation induces the database terminal 9 of wechat public platform 8 and server 10, RFID chip 7 to provide by vehicle supervision department, It is installed on motor vehicles, record has information of vehicles in RFID chip 7, RFID reads equipment 1 and is installed on the arrival end of section 3 and goes out Mouth end, to read the information on the vehicle of the arrival end of section 3 and the port of export in RFID chip 7, information includes vehicle type Number and read time of information, and by above- mentioned information transmit to RFID be installed read the database terminal 9 that communicates to connect of equipment 1 In, database terminal 9 reads the information obtained in equipment 1, database terminal 9 and server 10 to process and store from RFID Communication connection, according to the instruction that server 10 sends, corresponding information is sent to server 10, and server 10 is with driver's The intelligent transportation induction wechat public platform 8 installed on mobile phone is communicated to connect, and server 10 is receiving driver by intelligence After the request that traffic guidance wechat public platform 8 sends to server 10, server 10 is according to corresponding request from data base's end Transfer corresponding information and send to the mobile phone of driver in end 9.

Claims (2)

1. it is a kind of based on RFID and the municipal intelligent traffic abductive approach of wechat platform, it is characterised in that to be induced by intelligent transportation Device realizes that its concrete technology step includes:
(1), major urban arterial highway planning and RFID read equipment and install:
Communicate in length and breadth between the first major trunk roads in city and between the first major trunk roads and non-major trunk roads 4, the first major trunk roads are turned in The crossing of other the second major trunk roads is main doorway, first main doorway of major trunk roads to next one main doorway it Between part be section, each section with centrage as boundary, centrage both sides be respectively the section A that travels in opposite directions to vehicle and Equipment, by taking the A of section as an example, import are read in the vehicle entrance point of section B, section A and section B and vehicles while passing mouth end equipped with RFID The RFID at end reads equipment to gather the information into section A vehicles, and registration of vehicle enters the time of section A, and unites Meter enters the vehicle fleet size in the section, and the RFID of the port of export reads equipment to gather the information for leaving section A vehicles, records Vehicle leaves the time of section A, and counts the vehicle fleet size into the section;To being whether the main discrepancy beside major trunk roads The criterion of mouth is to arrive major trunk roads to crossing turnover by the data stored in existing road traffic monitoring system Vehicle flowrate is counted, and calculates the vehicle flowrate percentage ratio that the crossing turnover vehicle flowrate accounts for section A, takes vehicle flowrate hundred in two weeks Divide the meansigma methodss of ratio, if it exceeds 10%, then it is assumed that the crossing is main doorway, otherwise regards as non-principal gateway, no RFID is installed and reads equipment;
(2), vehicle installs RFID chip:
RFID chip is installed on vehicle, record has information of vehicles in chip, while transmission signal can read equipment by RFID adopting Collection, and the information for being provided with the vehicle of RFID chip is stored in database terminal;
(3), obtain information of vehicles and be delivered to database terminal:
The RFID of section arrival end and the port of export reads equipment and the information of vehicles entered and left in the section is acquired, and enters The RFID at mouth end reads equipment and records each vehicle into the time in section, and the RFID reading equipment of the port of export is recorded and leaves road The time of section, database terminal receives above- mentioned information, and calculates each vehicle in the running time in the section and record, while Database terminal recorded the vehicle fleet size into section in units of 10 minutes, and the time period of registration of vehicle quantity is according to section The size of length and history average vehicle flow is suitably adjusted;
(4), database terminal carries out data processing:
Database terminal reads the next invalid data of device transmission to RFID and excludes, by taking the vehicle into section A as an example, car After entering from the upstream end of section A, if turning around from the B of section to go out in section, the port of export of section A can not be collected To the information of the vehicle, database terminal screens out the information;After Some vehicles are entered from the upstream end of section A, from non-major trunk roads Section A is left, then the port of export of section A can not collect the information of the vehicle, database terminal screens out the information;Vehicle from Section A upstream ends hinder for some reason after entering or other reasonses are caused, and do not leave from the port of export of section A by normal speed, cause The running time that database terminal is calculated is as follows to this kind of data screening mode much larger than other vehicles of same time period, extracts The vehicle enters the moment of section A upstream ends, on the basis of the moment, 5 minutes and section is entered in latter 5 minutes before extracting the moment The running time of all vehicles of A upstream ends, averages as T1, the running time T with the vehicle2It is compared, if T2> 2T1, then the data are screened out, data are screened out after finishing, remaining for available data sample, store standby in data base;
(5), input reference data in database terminal:
If the first major trunk roads in city are divided into after trunk section according to the method described in step one, by existing road traffic Monitoring system is tested each section and the time used by end of leaving is being entered into from entrance point, and the speed for testing vehicle is institute's test segment The 80% of the max. speed of regulation, it is described to test what is carried out in the case of the section is unimpeded, by the traveling in each section for measuring Time is with T(S)Represent, and input database terminal is standby;
(6), database terminal is calculated jam situation:
By monitoring each vehicle in section transit time T(N)To evaluate the jam situation in section, T(N)<1.5T(S)Then congestion shape State is evaluated as slight congestion, 2.0T(S)>T(N)>=1.5T(S)Then congestion status are evaluated as moderate congestion, T(N)>=2.0T(S)Then gather around Stifled state evaluation is severe congestion;By calculating vehicle congestion quantity S on section(N)With vehicle congestion quantity rate of increase F(N1)Come The jam situation variation tendency in section is evaluated, vehicle congestion quantity rate of increase is the vehicle measured every five minutes on same section Quantity increase and decrease situation, when it is determined that section congestion after, work as F(N1)>0 and when vertically becoming larger, represent the section congestion It is increasingly severe, F(N1)=0 represents that the congestion in the section remains stable, F(N1)<0 and when tapering into, represent that congestion is more next It is lighter;RFID reads equipment by the data transfer for reading to database terminal, database terminal using the data collected come Above-mentioned calculating and evaluation are carried out, and result of calculation is stored, when server sends transfers instruction, by the data of database terminal It is adjusted in server for using;
(7), wechat public platform is induced to send information to mobile phone terminal by intelligent transportation:
One intelligent transportation of city traffic management department application induces wechat public platform, vehicle driver applicant city intelligently to hand over Logical induction wechat public platform subscription number, becomes intelligent transportation induction wechat public platform member, intelligent transportation induction wechat Public platform backstage connection server, server connection data storehouse terminal, the intelligent transportation induction wechat public platform includes Two modules a, module is public pushing module, after the data processing that data base will read equipment reception from RFID, is calculated Go out the road of heavy congestion, and these traffic informations sent to server, sent by server to the mobile phone terminal of each user, It is easy to all users to know, inquiry service, user's energy of mobile phone mobile terminal point-to-point can be provided the user with another module Enough wechat public platform is induced to send enquiring route request by intelligent transportation, server is received after request, from data base Called data, the information of respective stretch is sent to the mobile phone mobile terminal of inquiry user, and mobile phone terminal driver checks section Information after, unobstructed section is selected in advance according to jam situation.
2. according to claim 1 based on RFID and the municipal intelligent traffic abductive approach of wechat platform, it is characterised in that Realizing the agent structure of the intelligent transportation apparatus for deivation of the method includes:RFID chip, RFID read equipment, database terminal, Server and intelligent transportation induction wechat public platform, RFID chip is provided by vehicle supervision department, is installed on motor vehicles On, record has information of vehicles in RFID chip, and RFID reads equipment and is installed on section arrival end and the port of export, to read process Information on the vehicle of section arrival end and the port of export in RFID chip, information includes the time of vehicle model and reading information, And above- mentioned information is transmitted to reading in the database terminal that equipment communication is connected with installation RFID, database terminal is to process The information obtained from RFID reading equipment with storage, database terminal is connected with server communication, is sent according to server Instruction, corresponding information is sent to server, and server is public with the intelligent transportation induction wechat of installation on the mobile phone of driver Many Platform communication connections, server is receiving what driver was sent by intelligent transportation induction wechat public platform to server After request, server is transferred corresponding information and is sent to the mobile phone of driver according to corresponding request from database terminal.
CN201710117852.2A 2017-03-01 2017-03-01 A kind of municipal intelligent traffic abductive approach based on RFID and wechat platform Active CN106601005B (en)

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