CN101923779B - 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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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 vehicle universal solved people's difficult problem of going on a journey effectively.But along with going deep into of urbanization process, the population in city and automobile quantity are all sharply increasing.Thereby, how to solve the domestic and international extensive concerns of outstanding problem quilt such as coordination that in China's urban public transport, the operation pressure is large, each line (road) bus delivery validity (utilization rate) gap is obvious, relate to a plurality of departments and multiple interest relations.
Along with wireless sensor network (WSN), in the widespread use in a plurality of fields and with radio frequency identification, (RFID:RFID is the abbreviation of Radio Frequency Identification, and radio-frequency (RF) identification, is commonly called as electronic tag.The element of RFID comprises: label (Tag): coupling element and chip, consist of, each label has unique electronic code, is attached on object and identifies destination object, is commonly called as electronic tag or intelligent label; Reader (Reader): read the equipment of (sometimes can also write) label information, can be designed to hand-held or fixed; Antenna (Antenna): transmit radiofrequency signal between label and reader.) fusion of technology, its application in intelligent transportation system (ITS) is also more and more deep.This problem is carried out Real-Time Monitoring, scheduling and controls and analyze characterizing the multiple important physical parameter of state in safe condition, the carrying capacity of each line (road) and the conditions of demand of different time sections and the bus running of the real-time delivery validity (utilization rate) of each line (road) bus in public transport, traffic congestion state, bus based on wireless sensor network and RFID technology, to assist the bus quantity that traffic monitoring part and bus scheduling department are more effective, efficiency is allocated each line (road) higher in time.Meanwhile, be also 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 for formulating relevant policies, plan and the policies such as city planning, provide effectively, reliable data message.Therefore by this project implementation, first, can for government department when formulating the policy relevant to public transport, plan and policy, provide full and accurate, reliably, reference information timely, this is significant for city integrated planning.Secondly, can effectively integrate existing public transport resources, from city, whole angle is allocated in real time, to accomplish the most effectively configuration of resource, thereby alleviates to a certain extent the outstanding problem existing in public transport.Again, this project implementation also can provide for the intelligent construction of Traffic Systems necessary basis to prepare and precious data message.Thereby, the process of quickening city Intelligent Transport Systems Construction.
Summary of the invention
Goal of the invention of the present invention is: for 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.
Object of the present invention is achieved through the following technical solutions: it comprises the localized network that common sensor element node and the mass transportation facilities of RFID sensor element node and the RFID sensor element node of both sides of highway and common sensor element node is housed and forms, public communication network (as mobile communications network etc.) and management control center, it is characterized in that between sensor node network and management control center that, by public communication network transmission of information, short-range communication is realized by RFID channel by RFID label and RFID sensor node.Described RFID sensor node can be used as the ordinary node in wireless sensor network, also has the function that RFID label is read simultaneously, and it is comprised of sensor element unit, central processing unit, wireless communication unit and RFID reader unit.General sensor nodes is mainly distributed in utility car and both sides of highway, complete mass transportation facilities delivery situation is carried out to perception closely in real time, monitoring and processing, and by public communication network, send the information after processing (comprising each mass transportation facilities, each section, delivery situation and each RFID label information in each time period) to management control center; 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 public transport resources effective rate of utilization reach maximization.
Intelligent scheduling of the present invention and monitoring system are due to the localized network that adopts RFID sensor node and general sensor nodes to form, the version that public communication network He Guanneili control center combines, in sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows:
Can approach delivery situation and the public transportation system of monitoring in real time each mass transportation facilities individuality and totally deliver situation, and utilize ripe social public communication network platform, not only can save cost of investment; And data transmission efficiency is high, reliability is strong, and plant maintenance is convenient, and life cycle is long, and it is a kind of comparatively ideal public transport scheduling and supervisory system.
Accompanying drawing explanation
Fig. 1 is principle of work schematic 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 described in detail.
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit 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, between RFID label and wireless transmission unit 1 and platform RFID sensor node and video monitoring means 2, pass through RFID channel transfering information, between platform RFID sensor node and video monitoring means 2 and management control center 4 by public communication network 3 transmission of informations, vehicle-mounted perception, RFID label and wireless transmission unit 1 be by being distributed in sensor and the RFID tag processes unit wired connection of diverse location and function in car, and the EPC information exchange of all heat transfer agents that RFID tag processes unit is obtained and RFID label is crossed RFID channel and sent platform RFID sensor node and video monitoring means 2 to.RFID sensor node in platform RFID sensor node and video monitoring means 2 receives the information sending from RFID tag processes unit, and in conjunction with the monitoring of platform video and heat transfer agent, after microprocessor carries out data selection and fusion, by public communication network 3, send to management control center 4, management control center is by showing the sensing data combining geographic information system (GIS) obtaining, be used to the scheduling of mass transportation facilities and duty etc. that effectively reference information is provided closely in real time, scheduling controlling and much information service business is provided.
Described vehicle-mounted perception, RFID label and wireless transmission unit 1 are by being deployed in a plurality of diverse locations on mass transportation facilities, sensor for monitor vehicle load-carrying, gas sensor, clock and completing the sensor of difference in functionality and characterize the RFID label of vehicle uniqueness information and the microprocessor on RFID label forms for monitoring the video sensor etc. of this car and nearby vehicle information, 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 is mainly comprised of RFID label, microprocessor, AC/DC conversion module and radio receiving transmitting module, and each onboard sensor information and RFID label information send to the RFID sensor node on platform with the form of numerical information by it.
Platform RFID sensor node and video monitoring means 2 are comprised of RFID sensor node and some cameras of being distributed on platform, wherein in RFID sensor node except having processing, sensing and the wireless communication unit of general sensor nodes, also be integrated with rfid interrogator function, for completing reading vehicle-mounted perception, RFID label and wireless transmission unit 1 RFID label information.The information that platform RFID sensor node and video monitoring means 2 obtain sends back management control center 4 through public communication network 3.The microprocessor unit of described RFID sensor node also play control end program dormancy, wake up, carry out monitoring task, and the various information collecting be encrypted, and various information store 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 as the information of vehicle-mounted perception, RFID label and wireless transmission unit 1 through public communication network 3, exchange control message and transmitting-receiving Various types of data, comprise the video data that on the data that self collect, platform, camera obtains and the data that send from vehicle-mounted perception, RFID label and wireless transmission unit 1; Energy management unit on described RFID sensor node can gather the energy information of each unit, and energy information is gathered to 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 be used digital watermark technology to encrypt, and the array that wherein EPC of platform coding and different mass transportation facilitiess forms is embedded in its data stream transmitting as digital watermark information.
Public communication network 3 can adopt the existing common communication platforms such as Internet, satellite or mobile communications network to complete.For assigning the instructions such as the inquiry of management control center and control and uploading 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 process, (as remarkable in found the different mass transportation facilities delivery validity gaps of same platform when there is situation about need to control mass transportation facilities, and record contrast situation of different time etc.), report to the police, deposit information in database simultaneously, can provide user to inquire about and for formulating the services such as 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 scope is communicated by letter with video monitoring means 2, but also can with other mass transportation facilities on vehicle-mounted perception, RFID label and wireless transmission unit 1 communicate, form Ad hoc, thereby make management control center 4 can grasp at any time the information such as traffic behavior in the working condition of whole urban public transport vehicle and different time, location; The RFID sensor node of described platform RFID sensor node and video monitoring means 2 has the internal memory of certain capacity, can lose be connected in the situation that at itself and management control center 4, receive and keep in the data message from vehicle-mounted perception, RFID label and wireless transmission unit 1, guarantee the safe transmission of data message.
Described management control center 4 combining geographic information systems and city electronic three-dimensional map process and display the information receiving, analyze in time 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, the information such as the delivery situation of each car, integral body or partly scheduling of public transport vehicle in time, and the dispatch command of command and control center 4 is directly passed through to described intelligent public traffic scheduling, the communication link of monitoring system reacts closely in real time in the electronic display system of mass transportation facilities, thereby the effective rate of utilization that guarantees whole urban public tranlport system performs to maximum.
With reference to Fig. 2, in described RFID sensor node structure, comprise microprocessor, storer, wireless transceiver, power supply, rfid interrogator, the checking of mass transportation facilities uniqueness and the several parts of wireless communication module, described microprocessor is connected with wireless transceiver, storer, wireless transceiver receives respectively the information that in vehicle-mounted perception, RFID label and wireless transmission unit 1 and this unit 2, camera transmits, via depositing storer after microprocessor processes in, by public communication network 3 and the management control center 4 of far-end, carry 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 foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. intelligent public traffic scheduling and the supervisory system based on sensor network, comprise: vehicle-mounted induction element, RFID label and wireless transmission unit, RFID channel, platform RFID sensor node, video monitoring unit, public communication network, management control center, described vehicle-mounted induction element, the system that RFID label and described wireless transmission unit form and the system of described platform RFID sensor node and described video monitoring cell formation are by described RFID channel transfering information, between the system of described platform RFID sensor node and described video monitoring cell formation and management control center by public communication network transmission of information, described vehicle-mounted induction element, the system that RFID label and described wireless transmission unit form is by being distributed in diverse location and sensor and the RFID tag processes unit wired connection with difference in functionality in car, and the EPC information exchange of all heat transfer agents that described RFID tag processes unit is obtained and described RFID label is crossed described RFID channel and is sent described platform RFID sensor node and described video monitoring unit to, between the system that described platform RFID sensor node and described video monitoring means form and described management control center, by described public communication network, be communicated with, described vehicle-mounted induction element, RFID label and wireless transmission unit are by being deployed in a plurality of diverse locations on mass transportation facilities, sensor for detection of vehicle load, gas sensor, for detection of the video sensor of Ben Che and nearby vehicle information and RFID label and the microprocessor on RFID label of sign vehicle uniqueness information, form, and these sensors are connected by wired form with RFID tag processes unit in car, described vehicle-mounted induction element, vehicle-mounted induction element on RFID label and wireless transmission unit and other mass transportation facilitiess, RFID label and wireless transmission unit are carried out communication, form Ad hoc, thereby make management control center grasp working condition and the different time of whole urban public transport vehicle, the traffic behavior in location, the RFID sensor node of described platform RFID sensor node and video monitoring unit also comprises internal memory, the system and the management control center that when the RFID sensor node of platform RFID sensor node and video monitoring unit, form lose under connection, receive and keep in from vehicle-mounted induction element, the data message of RFID label and wireless transmission unit, in described RFID sensor node structure, comprise microprocessor, storer, wireless transceiver, power supply, rfid interrogator, the checking of mass transportation facilities uniqueness and the several parts of wireless communication module, described microprocessor and wireless transceiver, storer is connected, wireless transceiver receives respectively vehicle-mounted induction element, the information that in RFID label and wireless transmission unit and video monitoring unit, camera transmits, via depositing storer after microprocessor processes in, management control center by public communication network 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.
2. according to the intelligent public traffic scheduling based on sensor network and supervisory system described in claim 1, it is characterized in that: in wherein said RFID sensor node, except having processing, sensing and the wireless communication unit of general sensor nodes, be also integrated with rfid interrogator function.
3. according to the intelligent public traffic scheduling based on sensor network and supervisory system described in claim 1, it is characterized in that, it is the data of crossing through Classical Digital Watermark algorithm for encryption that described platform RFID sensor node and described video monitoring unit send to the data of described management control center by described public communication network, and in these data, platform coding is that watermark information is embedded in data stream with the array of EPC information.
4. according to the intelligent public traffic scheduling based on sensor network and supervisory system described in claim 1, it is characterized in that, described public communication network adopts Internet, satellite or mobile communications network.
5. according to the intelligent public traffic scheduling based on sensor network and supervisory system described in claim 1, it is characterized in that, described management control center combines with Geographic Information System and electronic urban map respectively, and the dispatch command of described management control center is directly connected with the electronic display system at mass transportation facilities with the communication link of supervisory system by the described intelligent public traffic scheduling based on sensor network.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN103258428B (en) * | 2013-04-24 | 2015-07-29 | 交通运输部公路科学研究所 | A kind of method realizing traffic behavior collection based on ETC equipment |
| EP3300047A1 (en) * | 2016-09-26 | 2018-03-28 | Alcatel Lucent | Dynamic traffic guide based on v2v sensor sharing method |
| 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 |
| US10862988B2 (en) * | 2017-12-18 | 2020-12-08 | The Chinese University Of Hong Kong | On-demand real-time sensor data distribution system |
| JP6927078B2 (en) * | 2018-02-23 | 2021-08-25 | オムロン株式会社 | Sensor system, information processing device, sensor management method |
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| CN202134104U (en) * | 2011-02-25 | 2012-02-01 | 成都勤智数码科技有限公司 | Taxi management system based on internet of things |
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| CN101141687B (en) * | 2007-09-25 | 2011-11-30 | 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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| CN1414526A (en) * | 2001-12-20 | 2003-04-30 | 吴举杰 | Automobile distribution type relative location method and public communication information service system |
| CN202134104U (en) * | 2011-02-25 | 2012-02-01 | 成都勤智数码科技有限公司 | Taxi management system based on internet of things |
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