CN103366597B - The method adopting ZIGBEE to carry out bus and electronic stop sign information to exchange - Google Patents
The method adopting ZIGBEE to carry out bus and electronic stop sign information to exchange Download PDFInfo
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- CN103366597B CN103366597B CN201310264817.5A CN201310264817A CN103366597B CN 103366597 B CN103366597 B CN 103366597B CN 201310264817 A CN201310264817 A CN 201310264817A CN 103366597 B CN103366597 B CN 103366597B
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Abstract
A kind of ZIGBEE of employing carries out the method that bus and electronic stop sign information exchange, public transit vehicle is provided with car-mounted terminal, by GPRS, information of vehicles is uploaded in background server, result of calculation is passed through the information issue unit of communication module real-time release to public transport way station waiting booth by background server, wherein: the vehicle carried electronic label being provided with ZIGBEE wireless communication module on vehicle, the electronic stop plate comprising electronic label read/write and information issue unit is set at public transport way station waiting booth, described electronic label read/write comprises Zigbee wireless module and external data interface, information of vehicles is read by electronic label read/write, and the vehicle carried electronic label information read is transferred data in background server by external data interface process, complete the collection of data, background server carries out data summarization, classification, statistics and analysis to the information of vehicles obtained simultaneously.
Description
Technical field
The present invention relates to a kind of ZIGBEE of employing and carry out the method that bus and electronic stop sign information exchange.
Background technology
Contemporary society is along with the continuous acceleration of urbanization process, and increasing population starts to be gathered in city.Each city generally encounters traffic problems.Traffic jam is frequent, and road is crowded to capacity, and therefore greatly developing public transport becomes the effective ways that traffic pressure is alleviated in each city.Bus mainly to be gone on a journey instrument as city dweller, and its service quality is always by the concern of large numerous passengers.
Public transit vehicle in Areas in Shanghai City nearly all at present is all provided with special public transport vehicle-mounted terminal, therefore by public transport vehicle-mounted terminal and then provide the information service of public transport to be extremely urgent.Common vehicle positioning technology has following several technology: GPS (GPS), beacon/card reading system, mileometer piloting (inertial navigation).Wherein:
GPS locates: be most popular location technology, shortcoming is: in chief city CBD and city tunnel etc. " urban canyons ", and in natural valley, and may there be trouble GPS location.
Beacon/card reading system: each bus installs one and installs card reader based on the beacon equipment of radio-frequency (RF) identification (RFID) technology on fixed position, bus station, when vehicle enters, signal can be arrived by the vehicle detection of process.Signal inductor on road sign is used for determining vehicle location, and passes positional information back control center.In the place not having road sign, vehicle utilizes mileometer to calculate the distance of the last road sign, then passes control center back by wireless transmission method, or directly passes next targeted sites back.Radio-frequency (RF) identification and RFID(RadioFrequencyIdentification) technology, also known as electronic tag, radio frequency identification, it is a kind of communication technology, read and write related data by radio signals identification specific objective, and without the need to setting up machinery or optical contact between recognition system and specific objective.
Mileometer piloting (inertial navigation): this kind of technology uses the mileometer on vehicle and compass to calculate vehicle location.Vehicle is from a known position, and system-computed Distance geometry traffic direction, then makes comparisons with the route data storehouse be stored in vehicle, regulates the reposition estimated.In order to revise the positional fault of accumulation, it also reads the data on road sign at key place.The method is location technology least accurately in the system come into question.
Along with the widespread use of GPS positioning system, most public transit vehicle is all positioned by GPS, public transport GPS car-mounted terminal structural representation as of the prior art in Fig. 1, data message and vehicle management platform exchange by each car-mounted terminal, but the locating information that car-mounted terminal can provide is not enough to meet the information service of issuing efficiently and accurately.Reason is as follows:
(1) although the cost performance of GPS locating module has had significant progress in recent years, comprise sensitivity and noise objective has had significant raising, but will locate in the overhead beneath and tunnel in big city, can drift about because " valley effect " produces to locate in built-up business district and residential quarter.
(2) there is technological deficiency in single data back passage.What the communication module of current public transport vehicle-mounted terminal was conventional is GPSR communication module, and this wireless communication mode has more inborn defects, and such as upstream rate is lower, easily break, and cover not enough area even the short time cannot normal communication etc. in some mobile base station.
(3) the at present data acquisition of GPS terminal common design reports mechanism to be that 200 meters of displacements or 20 seconds intervals or event trigger.Enough for the vehicle supervision in public traffic management and scheduling, but can not meet far away the forecast of arriving at a station in Bus information service.What because arrive at a station, forecast was paid close attention to is accuracy.A secondary data is sent out in vehicle 200 meters of displacements, if centre is again because one group of data is lost in communication, during next data of reentrying, vehicle movement just has become 400 meters, and for when only having average 800 meters of two websites to 1000 meters of intervals to mean to receive data, vehicle may through website!
In reality, the error that existing GPS locating bias produces more than 100 meters, even 200 meters; The communication delay average out to 10 ~ 20 seconds (at 10 seconds, the time delay more than 30 seconds was also ordinary affair to ideal value) of GPRS; Add aforesaid collecting vehicle information data-triggered passback mechanism, cause most importantly doing forecast of arriving at a station in real time, ready-made vehicle GPS data are actual can only do auxiliary data and historical data, even only does station level and gives the correct time in advance and will give the correct time in advance and accomplish accurately also to undertake to do what is apparently beyond one's ability " being about to arrive ".
In order to overcome the defect of single locator meams, make to realize between information of vehicles and electronic stop plate in real time, message exchange accurately.
Summary of the invention
A kind of method that the object of the present invention is to provide ZIGBEE of employing to carry out bus and electronic stop sign information to exchange, passenger not only can be allowed accurately and timely to know the position of current waiting vehicle and estimate the time of wait, and server background also can understand information of vehicles in time.
The object of the invention is achieved through the following technical solutions: a kind of ZIGBEE of employing carries out the method that bus and electronic stop sign information exchange, public transit vehicle is provided with car-mounted terminal, by GPRS, information of vehicles is uploaded in background server, result of calculation is passed through the information issue unit of communication module real-time release to public transport way station waiting booth by background server, it is characterized in that: the vehicle carried electronic label being provided with ZIGBEE wireless communication module on vehicle, the electronic stop plate comprising electronic label read/write and information issue unit is set at public transport way station waiting booth, described electronic label read/write comprises Zigbee wireless module and external data interface, information of vehicles is read by electronic label read/write, and the vehicle carried electronic label information read is transferred data in background server by external data interface process, complete the collection of data, background server carries out data summarization, classification, statistics and analysis to the information of vehicles obtained simultaneously.
On such scheme basis, described electronic stop plate is also provided with long-distance radio communication module.
On such scheme basis, ZIGBEE wireless communication module and separate GPS module is adopted to be combined as vehicle auxiliary beacon, independently be arranged on vehicle with vehicle intelligent terminal, the vehicle intelligent terminal that combines is located for leading beacon with GPS with the beacon location based on RFID, background server program is by the process by priority, closely vehicle adopts auxiliary beacon to be main, remote vehicle adopts leading beacon to be main, and the wireless telecommunications operator that the communication apparatus of electronic stop plate is different from public transit vehicle vehicle intelligent terminal equipment choice.
On such scheme basis, described vehicle carried electronic label comprises short-range communication module and GPS locating module, is powered, and be connected with flush bonding processor respectively by power module, be installed on respectively on public transit vehicle with vehicle intelligent terminal, connected by data-interface.
On such scheme basis, electronic label read/write comprises ZIGBEE wireless communication module and 3G communication module, is powered, and be connected with flush bonding processor respectively by power module, by cdma communication on background server.
Superiority of the present invention is: the method adopting ZIGBEE technology to carry out public transit vehicle and electronic stop sign information to exchange, passenger not only can be allowed accurately and timely to know the position of current waiting vehicle and estimate the time of wait, and server background also can understand information of vehicles in time.
By double-channel communication, data are more accurate.
Accompanying drawing explanation
Fig. 1 public transport GPS of the prior art car-mounted terminal structural representation;
The structural representation of Fig. 2 vehicle carried electronic label;
Fig. 3 electronic label read/write structural representation;
The schematic flow sheet that Fig. 4 adopts ZIGBEE technology to carry out public transit vehicle and electronic stop sign information to exchange.
Embodiment
As the structural representation of Fig. 2 vehicle carried electronic label, Fig. 3 electronic label read/write structural representation and Fig. 4 adopt ZIGBEE to carry out shown in schematic flow sheet that bus and electronic stop sign information exchange, a kind of method adopting ZIGBEE technology to carry out public transit vehicle and electronic stop sign information to exchange, public transit vehicle is provided with car-mounted terminal, by GPRS, information of vehicles is uploaded in background server, result of calculation is passed through the information issue unit of communication module real-time release to public transport way station waiting booth by background server, wherein:
Vehicle is provided with the vehicle carried electronic label of ZIGBEE wireless communication module, as shown in Figure 2, vehicle carried electronic label comprises short-range communication module and GPS locating module, powered by power module, and be connected with flush bonding processor respectively, be installed on respectively on public transit vehicle with vehicle intelligent terminal, connected by data-interface.
The electronic stop plate comprising information issue unit and electronic label read/write formation is set at public transport way station waiting booth, as shown in Figure 3, electronic label read/write comprises short distance ZIGBEE wireless communication module and long-range 3G communication module, powered by power module, and be connected with flush bonding processor respectively, information of vehicles is read by electronic label read/write, and by the vehicle carried electronic label information read by external data interface by processing in cdma communication to background server, complete the collection of data; Background server carries out on data summarization, classification, statistics and analysis background server the information of vehicles obtained simultaneously.
The present invention adopts ZIGBEE wireless communication module and separate GPS module to be combined as vehicle auxiliary beacon, independently be arranged on vehicle with vehicle intelligent terminal, the vehicle intelligent terminal that combines is located for leading beacon with GPS with the beacon location based on RFID, background server program is by the process by priority, closely vehicle adopts auxiliary beacon to be main, remote vehicle adopts leading beacon to be main, and the wireless telecommunications operator that the communication apparatus of electronic stop plate is different from public transit vehicle vehicle intelligent terminal equipment choice.
Claims (3)
1. the method adopting ZIGBEE technology to carry out public transit vehicle and electronic stop sign information to exchange, public transit vehicle is provided with car-mounted terminal, by GPRS, information of vehicles is uploaded in background server, result of calculation is passed through the information issue unit of communication module real-time release to public transport way station waiting booth by background server, it is characterized in that: the vehicle carried electronic label being provided with ZIGBEE wireless communication module on vehicle, the electronic stop plate comprising electronic label read/write and information issue unit is set at public transport way station waiting booth, described electronic label read/write comprises Zigbee wireless module and external data interface, information of vehicles is read by electronic label read/write, and the vehicle carried electronic label information read is transferred data in background server by external data interface process, complete the collection of data, background server carries out data summarization, classification, statistics and analysis to the information of vehicles obtained simultaneously, wherein,
Electronic stop plate is also provided with long-distance radio communication module;
ZIGBEE wireless communication module and separate GPS module is adopted to be combined as vehicle auxiliary beacon, independently be arranged on vehicle with vehicle intelligent terminal, the vehicle intelligent terminal that combines is located for leading beacon with GPS with the beacon location based on RFID, background server is by the process by priority, closely vehicle adopts auxiliary beacon to be main, remote vehicle adopts leading beacon to be main, and the wireless telecommunications operator that the communication apparatus of electronic stop plate is different from public transit vehicle vehicle intelligent terminal equipment choice.
2. employing ZIGBEE technology according to claim 1 carries out the method that public transit vehicle and electronic stop sign information exchange, it is characterized in that: described vehicle carried electronic label comprises short-range communication module and GPS locating module, powered by power module, and be connected with flush bonding processor respectively, be installed on respectively on public transit vehicle with vehicle intelligent terminal, connected by data-interface.
3. employing ZIGBEE technology according to claim 1 carries out the method that public transit vehicle and electronic stop sign information exchange, it is characterized in that: electronic label read/write comprises ZIGBEE wireless communication module and 3G communication module, powered by power module, and be connected with flush bonding processor respectively, by cdma communication on background server.
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| CN201310264817.5A CN103366597B (en) | 2013-06-28 | 2013-06-28 | The method adopting ZIGBEE to carry out bus and electronic stop sign information to exchange |
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| CN103366597A CN103366597A (en) | 2013-10-23 |
| CN103366597B true CN103366597B (en) | 2016-02-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107257541A (en) * | 2017-07-20 | 2017-10-17 | 北京小米移动软件有限公司 | Localization method and device |
| CN110662215A (en) * | 2019-10-09 | 2020-01-07 | 西北工业大学 | Information transmission method and device |
| CN112135247B (en) * | 2020-09-27 | 2023-03-31 | 浙江大华技术股份有限公司 | Data transmission method and device, storage medium and electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794520A (en) * | 2010-03-15 | 2010-08-04 | 任兆玉 | Intelligent transportation system based on telecommunication technology and communication method thereof |
| CN201667135U (en) * | 2010-03-15 | 2010-12-08 | 任兆玉 | Intelligent bus system based on telecommunication technology |
| CN202196514U (en) * | 2011-08-19 | 2012-04-18 | 昆山市工业技术研究院有限责任公司 | Intelligent vehicle-mounted terminal |
| CN202600964U (en) * | 2012-04-20 | 2012-12-12 | 任彦华 | Intelligent public traffic system based on ZIGBEE Technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100083447A (en) * | 2009-01-14 | 2010-07-22 | 오원재 | Led bus-stop beacon |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794520A (en) * | 2010-03-15 | 2010-08-04 | 任兆玉 | Intelligent transportation system based on telecommunication technology and communication method thereof |
| CN201667135U (en) * | 2010-03-15 | 2010-12-08 | 任兆玉 | Intelligent bus system based on telecommunication technology |
| CN202196514U (en) * | 2011-08-19 | 2012-04-18 | 昆山市工业技术研究院有限责任公司 | Intelligent vehicle-mounted terminal |
| CN202600964U (en) * | 2012-04-20 | 2012-12-12 | 任彦华 | Intelligent public traffic system based on ZIGBEE Technology |
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