Summary of the invention
The object of the present invention is to provide a kind of traffic lights fault supervisory systems based on WebGIS; Make supervision center on the basis of collecting crossing traffic lamp real time fail information, provide traffic lights failure message to show based on the WebGIS electronic chart; There is the monitoring client of authority to login from any computing machine that links to each other with communication network; And system can assign maintenance task automatically and reasonably according to traffic lights fault and maintenance resource situation; Thereby realize real-time monitoring and on-call maintenance, increase the time between failures of traffic lights, the safety of guarantee road traffic and unimpeded traffic lights.
The present invention realizes through following technical scheme:
A kind of traffic lights fault supervisory systems based on WebGIS; This system mainly is made up of traffic lights information acquisition terminal, supervision center, supervisory user end, maintenance user side; Said supervision center comprises Web Application Server and database server, and Web Application Server comprises short message transceiving module, Web monitoring service module and maintenance task assignment module again; It is characterized in that; Said traffic lights information acquisition terminal periodic property ground is gathered the traffic lights job information and the failure message that occurs is sent to supervision center through mobile communications network; Said supervision center provides traffic lights real time fail information with the form of WebGIS map to the supervisory user end through the browser login, and supervision center can be carried out the appointment computation optimization of maintenance task automatically after receiving new failure message and after the monitor staff confirms, send the maintenance task instruction from trend maintenance user side.
Described traffic lights fault supervisory systems based on WebGIS; It is characterized in that said traffic lights information acquisition terminal and maintenance user side pass through the wireless mode accessing mobile communication network, supervision center and supervisory user end insert the Internet network through wired mode.
Described traffic lights fault supervisory systems based on WebGIS; It is characterized in that said traffic lights information acquisition terminal internal memory contains a unique identifier, the information that it sends to supervision center through communication network comprises the failure-description of this unique identifier, real-time time and place traffic lights.
Described traffic lights fault supervisory systems, the fault type that it is characterized in that said failure-description based on WebGIS comprise do not work, do not go out, in the dot matrix disappearance, mess code, green conflict, colour mixture conflict one or more.
Described traffic lights fault supervisory systems based on WebGIS is characterized in that the appointment computation optimization of said maintenance task comprises the following steps:
(1) to the required standby redundancy collection X of fault, retrieves its warehouse collection K={K1, K2; K1}; And the complete or collected works W of all maintenance crew that can execute the task is divided into the collection P={P1 of maintenance crew that carries standby redundancy collection X, P2 ... Pm} and do not carry the maintenance crew collection Q={Q1 of this standby redundancy collection X; Q2 ... Qn};
(2) maintenance task of this fault traffic lights is assigned to the y of maintenance crew that can arrive the earliest, make
Wherein, t
w=d
WG/ V+t
Sw,
G is this fault traffic lights position, and V is the average translational speed of maintenance crew, ts
wFor the w of maintenance crew finishes the time of required by task Under Repair.
Described traffic lights fault supervisory systems based on WebGIS is characterized in that the said supervision center WebGIS page provides following method and function:
(1) numerical map of traffic lights shows, on basic number word map background, monitored traffic lights information is presented on the corresponding crossing of map with the form of pel and text;
(2) traffic lights basic information management, to the essential information data that are installed on each crossing traffic lamp carry out newly-built, revise and deletion;
(3) traffic lights fault information managing, to the fault information data that is installed on each crossing traffic lamp carry out newly-built, revise and deletion, any fault information reporting of traffic lights all will trigger the renewal of numerical map demonstration on the corresponding geographic position on the WebGIS page;
(4) the inquiry of historical data and analysis are carried out data query, statistics and form to traffic lights essential information, failure message and repair message in certain time segment limit in the database;
(5) subscriber information management is managed user basic information and authority, makes the user can only monitor the traffic lights in the authority zone.
(6) Maintenance information management, to traffic lights standby redundancy data, maintenance assign data, maintenance crew's information newly-built, revise, deletion and inquiry.
Described traffic lights fault supervisory systems based on WebGIS is characterized in that the numerical map demonstration of said traffic lights comprises: the title that shows traffic lights with textual form; Form with pel shows the traffic lights malfunction; Represent untreated catastrophic failure with the red pel of flicker simultaneously; Use static red pel to represent the catastrophic failure of handling; Yellow pel with flicker is represented untreated generic failure, uses static yellow pel to represent the generic failure of handling, and representes normally with green pel; When clicking above-mentioned red pel or yellow pel, will show the fault text message with the form of form and literal.
Principle of work of the present invention is:
In a kind of traffic lights fault supervisory systems based on WebGIS of the present invention, the communication channel that provides through mobile communications network and Internet network between traffic lights information acquisition terminal, supervision center, supervisory user end and the maintenance user side realizes the intercommunication of information.As preferably, the wireless mode accessing mobile communication network is adopted with the maintenance user side in traffic lights information acquisition terminal, and supervision center and supervisory user end adopt wired mode to insert the Internet network.Above-mentioned supervision center comprises Web Application Server and database server, connects through LAN between the two.
Traffic lights information acquisition terminal is installed in each crossing, road; The identifier that its storage inside is made up of 32 unique bits; This identifier is written into the information acquisition terminal before installing, after installing, on the WebGIS web interface that the supervision center Web Application Server provides; Newly-increased traffic lights essential information data, it comprises traffic lights information acquisition terminal recognition number, traffic lights title, model, longitude and latitude, state, zone of living in and description etc.
When finding the traffic lights fault; Traffic lights information acquisition terminal sends to supervision center with short message mode through communication network with the failure message that occurs; The failure message that sends comprises the failure-description of unique identifier, fault-time and the place traffic lights at this information acquisition terminal, the fault type of this failure-description comprise do not work, do not go out, in the dot matrix disappearance, mess code, green conflict, colour mixture conflict one or more.
Through a short message transceiving module that meets mobile operator Short Message Service Gateway interface protocol, the Web Application Server of supervision center can carry out the two-way communication of note with traffic lights information acquisition terminal and maintenance user side in the traffic lights fault supervisory systems of the present invention.Web Application Server provides the traffic lights real time fail information that shows with WebGIS ground diagram form to the supervisory user end through the browser login; On the geographic position of corresponding each traffic lights to be detected of electronic chart; With the title of textual form demonstration traffic lights, with the form demonstration traffic lights duty of pel.When traffic lights non-fault to be detected, pel is with green sign.When receiving the failure message of sending at traffic lights information acquisition terminal, need analyze fault type; If fault is green conflict, then be judged as catastrophic failure, pel is with red sign; If fault for do not work, do not go out, dot matrix disappearance, mess code, colour mixture conflict, pel is with yellow sign.When Web Application Server when its inner short message transceiving module is received a failure message; To trigger an instruction upgrades above-mentioned demonstration; And newly-increased automatically failure message, content comprises identifier, fault-time, failure-description, fault level and the service mode etc. at fault numbering, traffic lights information acquisition terminal.
Web Application Server in the supervision center has a traffic lights maintenance task assignment module; This module can be carried out the appointment computation optimization of maintenance task automatically after supervision center is received new failure message, and the maintenance task of this traffic lights fault is assigned to the maintenance crew that can arrive the earliest.There is the monitor staff of authority to check to assign The optimization results and can adjusts the assign task formation; This maintenance task assignment module will be sent the maintenance task instruction from each maintenance user side of trend after the monitor staff confirms; Instruction is sent with the note form through the short message transceiving module in the Web Application Server, and content comprises all traffic lights titles, model, geographic position and the failure-description that this maintenance crew needs repairing.The maintenance task of fault traffic lights is before the monitor staff confirms, its above-mentioned pel in the WebGIS map shows with flashing mode points out this fault also not to be processed; When the maintenance task of this fault traffic lights after the monitor staff confirms, corresponding pel no longer glimmers and shows with static mode.After the fault traffic lights is keeped in repair; Send maintenance completion information with the note form to supervision center by this breakdown maintenance team; Supervision center receives that the service mode that will revise automatically in the fault information data after the note is " fixing ", and traffic light status in the traffic lights Basic Information Table is revised as " normally ".
When supervision center traffic lights maintenance task assignment module is carried out the appointment computation optimization of maintenance task; The standby redundancy situation that needs the inquiry traffic lights; Therefore, the supervision center WebGIS page also provides newly-built, modification, deletion and the query function to the traffic lights standby redundancy.
After installing the traffic lights fault supervisory systems based on WebGIS of the present invention, the monitor staff can login the WebGIS page of supervision center through the supervisory user end that links to each other with communication network.For safety with effectively system is managed, supervision center need be managed the user, comprises user basic information management and rights management two parts.The user basic information management comprises that mainly Customs Assigned Number, title and password etc., Web application service system utilize above-mentioned information to carry out authentication to user's login; User authority management comprises user type and user management zone; User type is used to distinguish domestic consumer's authority and administrator right; The user management zone is used for the scope of lamp that the user regulates the traffic is limited, and makes certain regional user can only monitor the traffic lights in the corresponding region.
Except above-mentioned data manipulation; Be analysis and the management that makes things convenient for system; The WebGIS page that supervision center provides can also carry out the inquiry of historical data and analysis; Realization is to inquiry, statistics and the form of data such as the traffic lights essential information in certain time segment limit in the database, failure message, repair message, standby redundancy information, and failure rate, stability and the maintenance situation of understanding each traffic lights in the system for the user provide effective foundation.
Advantage of the present invention is:
1, traffic lights fault supervisory systems of the present invention has realized the automatic supervision of traffic lights fault, can the fault of each crossing traffic lamp be fed back to the monitor staff with the form of WebGIS map in real time, and can maintenance task be assigned to the maintenance crew that can arrive the earliest.Disposing fault supervisory systems of the present invention can respond to the traffic lights fault early and optimize maintenance efficiency.
2, the supervisory user end of traffic lights fault supervisory systems of the present invention is through the browser logon server, and it is easy, easy and simple to handle to insert.
3, traffic lights fault supervisory systems of the present invention allows that a plurality of monitor sessions are concurrent to be carried out, and power system capacity is high.
4, traffic lights fault supervisory systems of the present invention adopts modular construction, easy expansion, and can be integrated with other traffic lights management systems.
Embodiment
Embodiment:
As shown in Figure 1, traffic lights fault supervisory systems of the present invention mainly is made up of traffic lights information acquisition terminal 1, supervision center 2, supervisory user end 3, maintenance user side 4, and wherein, supervision center 2 comprises Web Application Server 21 and database server 22.The communication network of forming through mobile communications network and Internet network between each ingredient of system is realized the two-way communication of information.In Fig. 1, maintenance user side 4 can be the 2G or the 3G Wireless Telecom Equipment of any GPS of having location and function of receiving and sending short message, and this equipment is carried by maintenance crew, is used for carrying out short message communication with supervision center; Supervisory user end 3 is the computing machines with Internet network accessibility; There is the monitor staff of authority to utilize it to pass through the WebGIS webpage of browser login supervision center, realizes the real time fail monitoring of traffic lights in the compass of competency and the adjustment and the affirmation of maintenance task.Supervision center is the core of traffic lights fault supervisory systems of the present invention; The failure message that send at each crossing traffic lamp information acquisition terminal of its continual collection; Information is analyzed, handled and stores; To the supervisory user end WebGIS is provided service, the traffic lights failure message is presented to login user with the form of electronic chart, carry out the appointment computation optimization of traffic lights breakdown maintenance task automatically and after the monitor staff confirms, send the maintenance task instruction from trend maintenance user side.
As shown in Figure 2, traffic lights information acquisition terminal comprises CPU module 5, signal acquisition module 6, mobile communication module 7, read-write interface module 8 and memory module 9.Wherein, signal acquisition module 6 is used for gathering the work state information of each traffic lights that is attached thereto; Mobile communication module 7 can adopt any standard in GSM, CDMA, WCDMA, CDMA2000, these 2G of TD-SCDMA or the 3G wireless communication technology, and is furnished with the indispensable subscriber identification module that carries identity recognition number; Read-write interface module 8 is used for linking to each other with the external portable computing machine of debugging usefulness; Programming program when traffic lights information acquisition terminal is installed on the operation portable computer; Can in memory module 9, write the identifier that one 32 bit is formed through this read-write interface module 8, this identifier is unique in traffic lights fault supervisory systems of the present invention.
As shown in Figure 3, supervision center comprises Web Application Server 21 and database server 22, and wherein, Web Application Server 21 comprises short message transceiving module 211, Web monitoring service module 212 and maintenance task assignment module 213 again.For realize with traffic lights fault supervisory systems of the present invention in the communicating by letter of other ingredients; Supervision center has a top-level domain or second level domain; IP address resolution through dns server; Can be by the client access outside the traffic lights of living in administrative authority LAN, the WebGIS service arrangement of supervision center is on Web monitoring service module 212.For realizing the note two-way communication at website and mobile network terminal; Earlier will be to short message service number of mobile operator application; And on short message transceiving module 211, realize mobile operator Short Message Service Gateway interface protocol; Through this module, Web Application Server 21 can carry out the two-way communication of short message with traffic lights information acquisition terminal and maintenance user side.The short message service number of different operators is different with the Short Message Service Gateway interface protocol, and therefore, as preferably, traffic lights fault supervisory systems of the present invention can be used the radio communication service of some mobile operator.
The data base administration service arrangement of supervision center is on database server 22, and is in service in traffic lights fault supervisory systems of the present invention, and data base management system (DBMS) adopts MySQL.In database, setting up the persistence that 7 kinds of tables of data realize various data, is respectively that traffic lights Basic Information Table, traffic lights failure message table, user message table, maintenance appointment tables of data, maintenance crew's information table, standby redundancy Basic Information Table and standby redundancy use information table.Traffic lights essential information tables of data comprises traffic lights information acquisition terminal recognition number, traffic lights title, model, longitude and latitude, state, zone of living in and description etc.The failure message table comprises identifier, fault-time, failure-description, fault level, service mode, expectation maintenance deadline and maintenance crew's numbering at failure message numbering, fault numbering, traffic lights information acquisition terminal.The fault type of this failure-description comprise do not work, do not go out, in the dot matrix disappearance, mess code, green conflict, colour mixture conflict one or more.User message table comprises Customs Assigned Number, title, password, type and user management zone, and wherein the user management zone is identical with of living in regional span in the traffic lights essential information tables of data, the attributed region of the lamp of representing to be regulated the traffic.Maintenance assigns tables of data to comprise maintenance task numbering, failure message numbering, maintenance crew's numbering.Maintenance crew's information table comprises maintenance crew's numbering, short message service number, the responsible official of maintenance crew name, longitude and latitude, duty.The standby redundancy Basic Information Table comprises standby redundancy numbering, title, model, manufacturer, storage library name, buys quantity and current quantity.Standby redundancy uses information table to comprise standby redundancy numbering, failure message numbering, maintenance crew's numbering, usage quantity and service time.
The Web monitoring service module is carried out login management and rights management to the user, only allow validated user login supervisory system, and rights management comprises administration authority and supervision authority.Administration authority is divided into domestic consumer's authority and administrator right, and the keeper can carry out additions and deletions to many information and look into and change operation, and domestic consumer can only carry out query manipulation; Supervision authority promptly limits the demonstration of different monitoring zone on WebGIS that different user is responsible for; For example; Hangzhou can be divided into Shangcheng District, Xiacheng District, Gongshu District, Jianggan District, Xihu District, Binjiang District, Xiaoshan City, the several zones of Yuhang District; If the area monitoring authority Xihu District of certain validated user, then monitoring service module is only presented to the user with the traffic lights working condition in the Xihu District scope on the WebGIS webpage, and other regional signal information is invisible to this user.The rights management of traffic failure monitoring module can better must improve the security of system and the independence between the user, and reduces user's monitoring complicacy.
After traffic signal light fault supervisory systems of the present invention worked on power, the traffic lights failure message was gathered on traffic lights information acquisition terminal periodic property ground, and as preferably, this cycle is chosen to be 1 second time span.When finding the traffic lights fault, this information acquisition terminal sends to supervision center with short message mode through communication network with the failure message that occurs.The failure message form is as shown in Figure 4, and it comprises unique identifier, real-time time and the failure-description at this information acquisition terminal, and failure-description comprises the description in the total orientation of fault number and each fault orientation again.With connection traffic lights each lamp plate as an orientation, the description in each fault orientation comprises orientation numbering, lamp plate model and fault type.In the failure message form, terminal recognition number is one 32 bit that writes when installing, and is unique in whole supervisory systems; The real-time time form is " year/moon/day/time/minute/second "; Fault orientation sum n is one 2 a decimal number; Orientation numbering is till 1 to n; The lamp plate model representes with 4 bits, and different 0 and 1 makes up the color of types such as being used for distinguishing lamp all over the screen, arrow lamp, countdown lamp and lamp; Fault type representes with 3 bits, and different 0 and 1 combinations are used for that differentiation does not work, do not go out, dot matrix disappearance, mess code, green conflict, colour mixture conflict etc.In order to distinguish dissimilar binary combination, acted in accordance with it by traffic lights information acquisition terminal and supervision center in its definition rule agreement back in the above-mentioned field.
After traffic lights information acquisition terminal to report fault, supervision center will be replied affirmation.Afterwards, during this fault is not repaired,, then can the fault report cycle be increased,, otherwise will in time report new failure message as 10 minutes if failure condition does not change.When traffic lights information acquisition terminal collect connect traffic light status all just often; Also whenever report a heartbeat data to supervision center at a distance from a time interval; Normal to show this traffic lights information acquisition terminal works; The large interval I is to be chosen to be certain number in 10 minutes to 30 minutes, and the heartbeat data form can be a characteristic with certain special string, as " all are normal! ".
Supervision center is after receiving the failure message that send at traffic lights information acquisition terminal; Information is resolved; And the service mode during a newly-increased failure logging also will write down in traffic lights failure message table is made as " waiting to assign "; Wherein fault level is analyzed acquisition from failure-description, and green conflict is a catastrophic failure, and other are generic failure.
As shown in Figure 5, the Web monitoring service module is based on the MVC structure, and model (Model), view (View) and controller (Control) are responsible for the concrete function of different levels respectively and are realized.Wherein, model has encapsulated data source and all operations to these data sources, is used for mantenance data and data access thereof, and it accepts the request msg that view sends, and returns the result that needs to view; View is responsible for the display mode of deal with data source model, belongs to the relation of multi-to-multi between itself and the view, and promptly model can corresponding a plurality of views, and view also can corresponding a plurality of different model; Controller plays the effect of bridge between model and view, controller is transmitted to model with the service data of user on view, and model also will be transmitted to view and shows the result of data through controller.In traffic lights fault supervisory systems of the present invention, the WebGIS function is implemented in the View layer, adopts Javascript to embed the mode of JSP.The map API that system adopts Baidu to provide realizes the embedding of WebGIS.The map API of Baidu one is with JavaScript script application written routine interface, utilizes the map application that this API can constructing function be abundant in the website, interactivity is strong.Model is responsible for data processing, and view is responsible for giving the monitoring client with the WebGIS mode with the data presentation of model, and controller obtains the operation information that the monitoring client sends through the browser clients end-view and these message are passed to correlation model and upgrades.
Major function and operation that WebGIS offers the monitor staff comprise: the position of on WebGIS, observing each traffic lights in the system accurately; Traffic lights information state in the real time inquiry system comprises title, description, said zone etc.; Monitor the running status of each traffic lights in real time, comprise normal operation, generic failure, catastrophic failure etc.; Want the traffic lights monitored according to input information inquiry, and can be, and electronic chart is amplified, dwindles and to operations such as traffic lights pel marks with the centralized positioning of WebGIS electronic chart to this signal lamp.
The Browser/Server form is adopted in monitoring, and the monitor staff can check and initiate operation through browser.As shown in Figure 6, Web remote monitoring user login process comprises:
S101: there are a series of controls of authority in the monitor service end to login user, and the supervisory user end at first need be logined the monitoring website;
S102: the user is committed to the service end backstage with the log-on message of filling in and manages through the jsp page;
S103: user profile belongs to the Model of a type, and every type Model is managed by the service class of a correspondence,
S104: the service class Model that user profile is corresponding submits to DAO (Data Access Object) layer; The effect of this layer is that whether the login of promptly inquiring about this user is legal according to the operation of comparing of data in user profile Model that submits to and the database server;
The S105:DAO layer judge whether legal after, the former road of a series of judgement information is returned to each administration and supervision authorities, return to the front end page at last, will jump to respective page and be shown to the user;
S106: if login successfully, then can check and operate pertinent system information after user's login, comprise traffic lights essential information, signal lamp failure information etc.;
The system information of each type all corresponding a Model, the flow process of other operating processes and above-mentioned user login is similar.
The coordinate that on the WebGIS electronic chart, uses is the geographic coordinate of representing with metric longitude and latitude; In the WebGIS electronic chart that traffic lights fault supervisory systems of the present invention provides, through the class methods that provide in Baidu's map, self-defining figure layer of stack on map; Form with pel shows the traffic lights malfunction; Comprise with the red pel of flicker and represent untreated catastrophic failure, use static red pel to represent the catastrophic failure of handling, represent untreated generic failure with the yellow pel of flicker; Use static yellow pel to represent the generic failure of handling, represent normally with green pel.The messagewindow that the various types of method that using API provides ejects when on map, adding the traffic lights title of textual form and clicking red pel of traffic lights or yellow pel, this messagewindow shows the text message of traffic lights fault with the form of form and literal.Each Web monitoring service module receives the failure message of traffic lights information acquisition terminal to report from short message transceiving module; All will trigger an instruction demonstration of the WebGIS page will be upgraded, upgrade the information of pel on the corresponding geographic position of traffic lights that reports in the failure message.Fig. 7 is the synoptic diagram that the supervisory user end is realized the traffic lights fault management after through the browser login WebGIS page in the fault supervisory systems of the present invention.
After supervision center is received new failure message; By the maintenance task assignment module in the Web Application Server maintenance task is assigned and to upgrade; Its principle is: from the failure message table, finding out all service modes is data recording to be assigned; And be that catastrophic failure and generic failure add it respectively in two formations by fault level, each inner queue node successively sorts by fault-time again; To catastrophic failure and generic failure formation, successively respectively by flow processing as shown in Figure 8:
S201: initialization, the maintenance user side that carries to each maintenance crew sends the reporting position information instruction, and acquisition of information also upgrades longitude and latitude data in maintenance crew's information table;
S202: get first failure message in the formation of this grade fault;
S203: the model and the quantity of adding up each required standby redundancy in orientation in this failure message;
S204: inquiry standby redundancy Basic Information Table, judge whether required whole standby redundancies, if then directly change S205, after suddenly purchasing information, standby redundancy alarm, prompting change S205 otherwise send to lack;
S205: to the required and standby redundancy collection X that the stock has of this fault, assign computation optimization, for this fault is assigned maintenance task;
S206: judge whether that all this grade faults have all assigned completion,, otherwise get in the formation of this grade fault next failure message and change S203 if then change S207;
S207: assign and finish.
In above-mentioned flow process, assign computation optimization to carry out as follows:
S301: inquiry standby redundancy Basic Information Table and standby redundancy use information table, to the required standby redundancy collection X of this fault, retrieve its warehouse collection K={K1; K2 ... K1}, and the complete or collected works W of all maintenance crew that can execute the task is divided into the collection P={P1 of maintenance crew that carries standby redundancy collection X; P2; ... Pm} and do not carry the maintenance crew collection Q={Q1 of this standby redundancy collection X, Q2 ... Qn};
S302: the maintenance task of this traffic lights fault is assigned to the y of maintenance crew that can arrive the earliest, make
Wherein, t
w=d
WG/ V+ts
w,
G representes this fault traffic lights, d
PiGAnd d
KtGBe respectively Pi of maintenance crew and warehouse Kt distance, d to G
QjKtBe the distance of the Qj of maintenance crew to warehouse Kt, V is the average translational speed of maintenance crew, ts
wFor the w of maintenance crew finishes the time of task Under Repair; Should be worth for the non-maintenance crew that is carrying out maintenance task and to be the current time, should be worth the maintenance crew that carries out maintenance task is just by the expectation maintenance deadline in this maintenance crew's maintenance failure record in the failure message table.
The maintenance task assignment module maintenance task is assigned upgrade finish after, remind the monitoring client that authority is arranged.The monitoring client can confirm above appointment through operation interface, perhaps adjusts the back and confirms.The maintenance task assignment module is based on assigning formation through the maintenance of confirming, operate as follows: at first send the maintenance task note toward maintenance crew, messaging format as shown in Figure 9; Secondly, the service mode of modification dependent failure record is " assigning " after the affirmation note that receives maintenance crew's answer; At last, assign increase appointment record in the tables of data toward maintenance.
After the maintenance task note is received by maintenance crew, send to supervision center and confirm note.Maintenance crew behind the fault traffic lights crossing, reports the expectation maintenance deadline of this fault everywhere, and supervision center is revised the expectation maintenance deadline of dependent failure record according to this note and service mode is revised as " Under Repair "; When the fault traffic lights is keeped in repair, maintenance crew's reporting information, the service mode that supervision center is revised in the dependent failure record data according to this is " fixing ", and this traffic light status in the traffic lights Basic Information Table is revised as " normally ".
Embodiment of the present invention traffic lights fault supervisory systems; Not only can monitor in real time with on-call maintenance and manage the traffic lights fault; Can also be through analysis, statistics to traffic lights fault history data; Help traffic lights administrative authority to understand the stability and the reliability of each traffic lights equipment in the system, foundation is provided for reasonably carrying out equipment purchase and moving to set.
The above is merely preferred embodiment of the present invention.