CN101923779A - Sensor network-based intelligent public traffic scheduling and monitoring system - Google Patents
Sensor network-based intelligent public traffic scheduling and monitoring system Download PDFInfo
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- CN101923779A CN101923779A CN2010102314645A CN201010231464A CN101923779A CN 101923779 A CN101923779 A CN 101923779A CN 2010102314645 A CN2010102314645 A CN 2010102314645A CN 201010231464 A CN201010231464 A CN 201010231464A CN 101923779 A CN101923779 A CN 101923779A
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Abstract
The invention discloses a remote monitoring system for monitoring, sensing and processing the information and running state of public traffic by using a wireless sensor network and a radio frequency identification device (RFID). An RFID sensor network technology-based intelligent public traffic scheduling and monitoring system comprises a vehicle-mounted sensor, an RFID tag, a wireless transmission unit, a station RFID sensor node, a video monitoring unit, a public communication network and a management control center, wherein the vehicle-mounted sensor, the RFID tag and the wireless transmission unit transmit information to the station RFID sensor node and the video monitoring unit through an RFID channel; the station RFID sensor node and the video monitoring unit transmit information to the management control center through the public communication network; sensors which are distributed at different positions in a vehicle and have different functions are connected with an RFID tag processing unit in a wired way through the vehicle-mounted sensor, the RFID tag and the wireless transmission unit; and all sensing information obtained by the RFID tag processing unit and electronic product code (EPC) information of the RFID tag are transmitted to the station RFID sensor node and the video monitoring unit through the RFID channel.
Description
Technical field
The present invention relates to a kind of remote monitoring, intelligent scheduling and supervisory system of utilizing wireless sensor network and RFID monitoring, perception, processing public traffic information and running status.
Background technology
Reform and opening-up is greatly improved people's living standard, especially highway improve and popularizing of vehicle solved people's difficult problem of going on a journey effectively.But along with going deep into of urbanization process, population in the city and automobile quantity are all in rapid increase.Thereby, how to solve and run the domestic and international extensive concern of outstanding problems such as coordination quilt that pressure is big, each line (road) bus delivery validity (utilization rate) gap is obvious, relate to a plurality of departments and multiple interest relations in China's urban public transport.
(RFID:RFID is the abbreviation of Radio Frequency Identification, and promptly radio-frequency (RF) identification is commonly called as electronic tag in the widespread use in a plurality of fields and with radio frequency identification along with wireless sensor network (WSN).The element of RFID comprises: label (Tag): be made up of coupling element and chip, each label has unique electronic code, attached to identifying destination object on the object, is commonly called as electronic tag or intelligent label; Reader (Reader): read the equipment of (can also write sometimes) label information, can be designed to hand-held or fixed; Antenna (Antenna): between label and reader, transmit radiofrequency signal.) fusion of technology, its application in intelligent transportation system (ITS) is also more and more deep.This problem is monitored in real time, is dispatched and control and analyze the multiple important physical parameter that characterizes state in the conditions of demand of the carrying capacity of the safe condition of the real-time delivery validity (utilization rate) of each line (road) bus in the public transport, traffic congestion state, bus, each line (road) and different time sections and the bus running based on wireless sensor network and RFID technology, with auxiliary traffic monitoring part with bus scheduling department is more effective, the efficient highland bus quantity of in time allocating each line (road) more.Simultaneously, also be decision-making section according to city size and road conditions, the quantitative proportion relation of regulation and control mass transportation facilities quantity and city private car, thus provide effectively for formulating relevant policies, plan and policies such as city planning, reliable data message.Therefore by this project implementation, at first, can for government department when formulating the policy relevant, plan and policy, provide with public transport full and accurate, reliably, reference information timely, this is significant for city integrated planning.Secondly, can effectively integrate existing public transport resources, whole angle is allocated in real time from the city, accomplishing the most effective configuration of resource, thereby alleviates the outstanding problem that exists in the public transport to a certain extent.Once more, this project implementation also can provide necessary base to prepare and precious data message for the intellectuality construction of urban transportation system.Thereby, accelerate the process that the municipal intelligent traffic system builds.
Summary of the invention
Goal of the invention of the present invention is: at the problem of above-mentioned existence, provide a kind of a kind of remote supervision system that utilizes wireless sensor network and RFID monitoring, perception, processing public traffic information and running status that the object of the present invention is to provide.
Purpose of the present invention is achieved through the following technical solutions: it comprises the RFID sensor element node of mass transportation facilities that common sensor element node and RFID sensor element node are housed and both sides of highway and localized network that common sensor element node is formed, public communication network (as mobile communications network etc.) and management control center, it is characterized in that transmitting information by public communication network between sensor node network and the management control center, short-range communication is realized by the RFID channel by RFID label and RFID sensor node.Described RFID sensor node promptly can also have the function that the RFID label is read simultaneously as the ordinary node in the wireless sensor network, and it is made up of sensor element unit, central processing unit, wireless communication unit and RFID reader unit.General sensor nodes mainly is distributed in the utility car and both sides of highway, finish mass transportation facilities delivery situation is carried out perception closely in real time, monitoring and processing, and the information after will handling (comprising delivery situation and each RFID label information in each mass transportation facilities, each highway section, each time period) sends management control center to by public communication network; Management control center can carry out overall arrangement at any time according to the delivery situation of different each mass transportation facilities of period to the information of receiving, makes the public transport resources effective rate of utilization reach maximization.
Intelligent scheduling of the present invention and monitoring system are owing to adopt the RFID sensor node and localized network, public communication network and the pipe Nei Li control center structure combining form of general sensor nodes composition, in sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:
Can totally deliver situation near delivery situation and the public transportation system of monitoring each mass transportation facilities individuality in real time, and utilize ripe social public communication network platform, not only can save cost of investment; And the data transmission efficiency height, good reliability, plant maintenance is convenient, and life cycle is long, and it is a kind of comparatively ideal public transport scheduling and supervisory system.
Description of drawings
Fig. 1 is a principle of work synoptic diagram of the present invention.
Fig. 2 is the structural representation of RFID sensor node of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done detailed explanation.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, Fig. 2 (drawing reference numeral explanation: 11 1 vehicle for public transport set sensors, 12 1 RFID tag processes unit, 13 1 RFID sensor nodes, 14 1 platform video monitoring means, 15 1 public communication networks, 16 1 management control centers): intelligent public traffic scheduling of the present invention, monitoring system comprises vehicle-mounted perception unit, RFID label and wireless transmission unit 1, platform RFID sensor node and video monitoring means 2, public communication network 3 and management control center 4, described vehicle-mounted perception, pass through the RFID channel transfering information between RFID label and wireless transmission unit 1 and platform RFID sensor node and the video monitoring means 2, between platform RFID sensor node and video monitoring means 2 and the management control center 4 by public communication network 3 transmission information, vehicle-mounted perception, RFID label and wireless transmission unit 1 be by will being distributed in the sensor and the RFID tag processes unit wired connection of diverse location and function in the car, and all heat transfer agents that RFID tag processes unit is obtained and the EPC information of RFID label send platform RFID sensor node and video monitoring means 2 to by the RFID channel.RFID sensor node in platform RFID sensor node and the video monitoring means 2 receives the information that sends from RFID tag processes unit, and in conjunction with monitoring of platform video and heat transfer agent, after the process microprocessor carries out data selection and fusion, send to management control center 4 by public communication network 3, management control center shows by the sensing data combining geographic information system (GIS) that will obtain, and is used to the scheduling of mass transportation facilities and duty etc. that effectively reference information is provided closely in real time, scheduling controlling and multiple information service business is provided.
Described vehicle-mounted perception, RFID label and wireless transmission unit 1 are finished the sensor of difference in functionality by the video sensor etc. that is deployed in a plurality of diverse locations on the mass transportation facilities, the sensor that is used for the monitor vehicle load-carrying, gas sensor, clock and is used to monitor this car and nearby vehicle information and are characterized the RFID label of vehicle uniqueness information and the microprocessor on the RFID label is formed, and these sensors are to be connected by wired form (the also available wireless that expands to) with RFID tag processes unit in car.Wherein, RFID tag processes unit mainly is made up of RFID label, microprocessor, AC/DC conversion module and radio receiving transmitting module, and each onboard sensor information and RFID label information all send to RFID sensor node on the platform with the form of numerical information by it.
Platform RFID sensor node and video monitoring means 2 are made up of RFID sensor node and some cameras of being distributed on the platform, wherein in the RFID sensor node except processing, sensing and wireless communication unit with general sensor nodes, also be integrated with the rfid interrogator function, be used for finishing reading vehicle-mounted perception, RFID label and wireless transmission unit 1 RFID label information.The information via public communication network 3 that platform RFID sensor node and video monitoring means 2 are obtained sends back management control center 4.The microprocessor unit of described RFID sensor node also play the control end program dormancy, wake up, carry out the monitoring task, and the various information that collects carried out encryption, and various information is stored and read, to guarantee the integrality of data; The wireless communication unit of described RFID sensor node sends back the intermediary wireless communicator of management control center 4 through public communication network 3 as the information of vehicle-mounted perception, RFID label and wireless transmission unit 1, exchange control messages and transmitting-receiving Various types of data comprise video data that camera obtains on the data that self collect, the platform and the data that send from vehicle-mounted perception, RFID label and wireless transmission unit 1; Energy management unit on the described RFID sensor node can be gathered the energy information of each unit, and energy information is gathered judgement, to guarantee the normal operation of each unit.Simultaneously, security for guarantee information, the data that platform RFID sensor node and video monitoring means 2 send will use digital watermark technology to encrypt, and wherein the array of the EPC composition of platform coding and different mass transportation facilitiess is embedded in its data stream that transmits as digital watermark information.
Public communication network 3 can adopt existing common communication platforms such as Internet, satellite or mobile communications network to finish.Be used to assign instructions such as the inquiry of management control center and control and upload the information that vehicle-mounted perception, RFID label and wireless transmission unit and platform RFID sensor node and video monitoring means collect; The information that management control center 4 reception platform RFID sensor nodes and video monitoring means 2 send, and combining geographic information system and city electronic three-dimensional map show information and handle, (remarkable when situation about need control mass transportation facilities occurring as the different mass transportation facilitiess delivery validity gaps of finding same platform, and the contrast situation of record different time etc.), report to the police, deposit information in database simultaneously, user inquiring can be provided and be services such as formulation relevant policies.
In described intelligent public traffic scheduling, monitoring system, the platform RFID sensor node that vehicle-mounted perception on each mass transportation facilities, RFID label and wireless transmission unit 1 can not only communicate with in the scope is communicated by letter with video monitoring means 2, but also can communicate with vehicle-mounted perception, RFID label and the wireless transmission unit 1 on other mass transportation facilities, form the multi-hop MANET, thereby make management control center 4 can grasp the information such as traffic behavior in the working condition of entire city mass transportation facilities and different time, location at any time; The RFID sensor node of described platform RFID sensor node and video monitoring means 2 all has the internal memory of a constant volume, can lose under the situation about being connected at itself and management control center 4, receive and temporary data message, guarantee the safe transmission of data message from vehicle-mounted perception, RFID label and wireless transmission unit 1.
Described management control center 4 combining geographic information systems and city electronic three-dimensional map process and display the information that receives, in time analyze the operation situation of mass transportation facilities, thereby according to the different periods, different platforms, the traffic conditions of different location and corresponding period, the quantity of location and the different circuit mass transportation facilitiess of each platform of process, information such as the delivery situation of each car, in time integral body or scheduling of public transport vehicle partly, and with the dispatch command of command and control center 4 directly by described intelligent public traffic scheduling, the communication link of monitoring system is reflected on the electronic display system of mass transportation facilities closely in real time, thereby the effective rate of utilization that guarantees the entire city public transportation system performs to maximum.
With reference to Fig. 2, comprise microprocessor, storer, wireless transceiver, power supply, rfid interrogator, the checking of mass transportation facilities uniqueness and wireless communication module several sections on the described RFID sensor node structure, described microprocessor is connected with wireless transceiver, storer, wireless transceiver receives the information that camera transmits in vehicle-mounted perception, RFID label and wireless transmission unit 1 and this unit 2 respectively, via depositing storer after the microprocessor processes in, the management control center 4 by public communication network 3 and far-end carries out interactive type communication simultaneously; Described power supply is connected with microprocessor, wireless transceiver, storer, wireless communication module, provides the normal operation of node required energy.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. intelligent public traffic scheduling and supervisory system based on a sensor network, comprise: vehicle-mounted induction element, RFID label and wireless transmission unit, the RFID channel, platform RFID sensor node, the video monitoring unit, public communication network, management control center, described vehicle-mounted induction element, pass through described RFID channel transfering information between RFID label and described wireless transmission unit and described platform RFID sensor node and the described video monitoring unit, transmit information by public communication network between described platform RFID sensor node and described video monitoring unit and the described management control center, described vehicle-mounted induction element, RFID label and described wireless transmission unit are by being distributed in the sensor and the described RFID tag processes unit wired connection of diverse location and function in the car, and all heat transfer agents that described RFID tag processes unit is obtained and the EPC information of described RFID label sends described platform RFID sensor node and described video monitoring unit to by described RFID channel, is communicated with by described public communication network between described platform RFID sensor node and described video monitoring means and the described management control center.
2. according to claim 1 described intelligent public traffic scheduling and supervisory system based on sensor network, it is characterized in that: except processing, sensing and wireless communication unit, also be integrated with the rfid interrogator function in the wherein said RFID sensor node with general sensor nodes.
3. according to claim 1 described intelligent public traffic scheduling and supervisory system based on sensor network, it is characterized in that, described platform RFID sensor node and described video monitoring unit are the data (but the concrete digital watermarking algorithm type that adopts is maintained secrecy) of encrypting through classical digital watermarking algorithm by the data that described public communication network sends to described management control center, and the platform coding is that watermark information is embedded in the data stream with the array of EPC information in these data.
4. according to claim 1 described intelligent public traffic scheduling and supervisory system, it is characterized in that described public communication network adopts the existing common communication platform of Internet, satellite or mobile communications network based on sensor network.
5. according to claim 1 described intelligent public traffic scheduling and supervisory system based on sensor network, it is characterized in that, described management control center combines with Geographic Information System and electronic urban map, and the dispatch command of described management control center directly is connected with electronic display system at mass transportation facilities by the described intelligent public traffic scheduling and the communication link of supervisory system based on the RFID sensor network technique of claim 1.
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Cited By (7)
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| CN102325345A (en) * | 2011-06-13 | 2012-01-18 | 南京邮电大学 | Container logistic tracking and positioning method based on tag sensor network |
| CN102932962A (en) * | 2012-10-22 | 2013-02-13 | 南京大学 | Data integration wireless sensor network (WSN) and radio frequency identification (RFID) heterogeneous network for monitoring storehouse |
| CN103258428A (en) * | 2013-04-24 | 2013-08-21 | 交通运输部公路科学研究所 | Method collecting traffic states based on ETC device |
| CN107623879A (en) * | 2017-08-31 | 2018-01-23 | 苏州惠华电子科技有限公司 | A kind of RFID electronic wiring frames based on AD/DC change-over circuits |
| CN107872775A (en) * | 2016-09-26 | 2018-04-03 | 阿尔卡特朗讯 | Dynamic traffic instruction based on V2V sensor sharing methods |
| CN109947774A (en) * | 2017-12-18 | 2019-06-28 | 香港中文大学 | On-demand real time sensor data distribution system |
| CN110191257A (en) * | 2018-02-23 | 2019-08-30 | 欧姆龙株式会社 | Sensing system, information processing unit, Method of Sensor Management |
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| CN101141687A (en) * | 2007-09-25 | 2008-03-12 | 中兴通讯股份有限公司 | Mobile communications network based public transport scheduling and public transport information application system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102325345A (en) * | 2011-06-13 | 2012-01-18 | 南京邮电大学 | Container logistic tracking and positioning method based on tag sensor network |
| CN102325345B (en) * | 2011-06-13 | 2013-11-27 | 南京邮电大学 | Container logistic tracking and positioning method based on tag sensor network |
| CN102932962A (en) * | 2012-10-22 | 2013-02-13 | 南京大学 | Data integration wireless sensor network (WSN) and radio frequency identification (RFID) heterogeneous network for monitoring storehouse |
| CN103258428A (en) * | 2013-04-24 | 2013-08-21 | 交通运输部公路科学研究所 | Method collecting traffic states based on ETC device |
| CN107872775A (en) * | 2016-09-26 | 2018-04-03 | 阿尔卡特朗讯 | Dynamic traffic instruction based on V2V sensor sharing methods |
| CN107623879A (en) * | 2017-08-31 | 2018-01-23 | 苏州惠华电子科技有限公司 | A kind of RFID electronic wiring frames based on AD/DC change-over circuits |
| CN109947774A (en) * | 2017-12-18 | 2019-06-28 | 香港中文大学 | On-demand real time sensor data distribution system |
| CN109947774B (en) * | 2017-12-18 | 2024-05-24 | 香港中文大学 | On-demand real-time sensor data distribution system |
| CN110191257A (en) * | 2018-02-23 | 2019-08-30 | 欧姆龙株式会社 | Sensing system, information processing unit, Method of Sensor Management |
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