CN102281310A - Method for monitoring on-line state of vehicle-mounted global positioning system (GPS) terminal in real time - Google Patents
Method for monitoring on-line state of vehicle-mounted global positioning system (GPS) terminal in real time Download PDFInfo
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Abstract
The invention provides a method for monitoring the on-line state of a vehicle-mounted global positioning system (GPS) terminal in real time and relates to a method for processing mobile terminal data in a GPS monitoring system. The method for monitoring the on-line state of the vehicle-mounted GPS terminal in real time comprises the following steps that: a communication relationship and a data sheet are established in the system; a vehicle-mounted GPS terminal logs in and is written into a database and a network management server; the vehicle-mounted GPS terminal is off line and is written into the database and the network management server; and an operating terminal receives and displays the on-line state of each vehicle-mounted GPS terminal provided by the network management server. By the method, the problems of interference to the database and data distortion because the operating terminal inquires the database regularly to display the on-line state of the vehicle-mounted GPS terminal timely are solved.
Description
Technical field
The present invention relates to the method for handle mobile terminal data in a kind of GPS supervisory control system.
Background technology
Existing GPS supervisory control system, as shown in Figure 1: a Surveillance center 1 carries out the radio communication contact with many GPS terminals 2, on the one hand the ruuning situation of these GPS terminals 2 of data monitoring of uploading according to each GPS terminal 2 is assigned control command and information on services is provided to each GPS terminal 2 on the other hand.Be provided with GPRS front end processor 11, service server 12, database 13, NM server 14 and Duo Tai operating terminal 15 in the Surveillance center 1.GPRS front end processor 11 carries out the radio communication contact with each GPS terminal 2 by mobile communications network.In the Surveillance center 1: service server 12 connects with GPRS front end processor 11, realizes two-way information exchange.Service server 12 connects with database 13, and database 13 is carried out data access operation.GPRS front end processor 11 connects with NM server 14, realizes two-way information exchange.All operations terminal 15 all connects with NM server 14, realizes two-way information exchange.All operations terminal 15 all connects with database 13, carries out the operation of reading of data.
Can both in time receive control command and information on services in order to ensure each affiliated GPS terminal 2, each operating terminal 15 must be ignored current not online GPS terminal 2, and corresponding information is sent to online GPS terminal 2; To reduce invalid transmit operation.In addition, the online situation of GPS terminal 2 under each operating terminal 15 also can see through be investigated, whether operate as normal or wireless network be normal to judge specific GPS terminal 2.
At present, the method for the online situation of real time monitoring GPS terminal is in the GPS supervisory control system:
Step 2, GPS terminal lands and the data-in storehouse: GPS terminal is sent out logon information to the GPRS front end processor, after receiving this logon information, the GPRS front end processor is designated as current presence data item in the entry of this GPS terminal in the vehicle summary table of its preservation online by the communication cryptology of this GPS terminal, and sending the login message of this GPS terminal to service server, service server is designated as online by current presence data item in the entry of this login message with this GPS terminal in the vehicle summary table in the database;
Step 3, GPS terminal rolls off the production line and the data-in storehouse: the GPS terminal that has landed is regularly sent out maintenance information to the GPRS front end processor with fixed intervals, if the GPRS front end processor receives that in the official hour section maintenance information of this GPS terminal judges that then this GPS terminal is online, with the zero-time of current time as next time period; If the GPRS front end processor is not received the maintenance information of this GPS terminal as yet and is judged that then this GPS terminal rolls off the production line after the official hour section, this GPRS front end processor is designated as current presence data item in the entry of this GPS terminal in the vehicle summary table of its preservation and rolls off the production line, and sending the message that rolls off the production line of this GPS terminal to service server, service server is designated as by current presence data item in this message entry with this GPS terminal in the vehicle summary table in the database that rolls off the production line and rolls off the production line;
Step 4, the operating terminal Query Database also shows the presence of each GPS terminal: operating terminal is according to the vehicle monitoring table of self, extract the current presence of all GPS terminals of its administration at interval from database with official hour, deposit the vehicle monitoring table of self in, and the title and the current presence of each GPS terminal in this vehicle monitoring table shown, for operator's reference.
Said method can satisfy the needs of general monitoring.But, because service server can carry out the lot of data accessing operation to database; If the time interval of each operating terminal Query Database is shorter, for example 1 minute, then each operating terminal was too frequent to the inquiry meeting of database, influenced the normal operation of database; If the time interval of each operating terminal Query Database is longer, for example 10 minutes, then distortion can appear in the data of the current presence of each GPS terminal in the vehicle monitoring table of each operating terminal, influences operator's control.
Summary of the invention
The present invention aims to provide the method for the online situation of a kind of real time monitoring GPS terminal, and each operating terminal can obtain the True Data of the current presence of all GPS terminals of its administration in real time, and can not influence the normal operation of database.
Technical scheme of the present invention is: the method for the online situation of a kind of real time monitoring GPS terminal, and the step that comprises has:
Steps A is set up correspondence and tables of data: assign the communication cryptology of the GPRS front end processor of communicating by letter with it for each GPS terminal, make the GPRS front end processor set up correspondence with each GPS terminal respectively in system; In database, NM server and GPRS front end processor, preserve the vehicle summary table respectively, this vehicle summary table comprises the entry of all GPS terminals in the native system, and wherein the data item that comprises in the entry of each GPS terminal has communication cryptology, the title of this GPS terminal, the zero-time and the current presence of preventive maintenance time section; In each operating terminal, preserve the vehicle monitoring table of this operating terminal, this vehicle monitoring table comprises the entry of all GPS terminals of this operating terminal administration, and wherein the data item that comprises in the entry of each GPS terminal has communication cryptology, title and the current presence of this GPS terminal; In NM server, preserve the vehicle monitoring table of all operations terminal;
Step B, GPS terminal lands and data-in storehouse and NM server: GPS terminal is sent out logon information to the GPRS front end processor, after receiving this logon information, the GPRS front end processor is designated as current presence data item in the entry of this GPS terminal in the vehicle summary table of its preservation online by the communication cryptology of this GPS terminal, with the zero-time of current time as the preventive maintenance time section of this GPS terminal, and sending the login message of this GPS terminal to service server, service server is designated as online by current presence data item in the entry of this login message with this GPS terminal in the vehicle summary table in the database; The GPRS front end processor also sends the login message of this GPS terminal to NM server, NM server is designated as current presence data item in the entry of this GPS terminal in the vehicle summary table of self online by this login message;
Step C, GPS terminal roll off the production line and data-in storehouse and NM server: the GPS terminal that has landed is regularly sent out maintenance information to the GPRS front end processor with fixed intervals; If the GPRS front end processor is received the maintenance information of this GPS terminal, judge that then this GPS terminal is online, with the zero-time of current time as next preventive maintenance time section of this GPS terminal; If the GPRS front end processor is not received the maintenance information of this GPS terminal as yet and is judged that then this GPS terminal rolls off the production line after reaching the preventive maintenance time section of regulation, the GPRS front end processor is designated as current presence data item in the entry of this GPS terminal in the vehicle summary table of its preservation and rolls off the production line, and sending the message that rolls off the production line of this GPS terminal to service server, service server is designated as by current presence data item in this message entry with this GPS terminal in the vehicle summary table in the database that rolls off the production line and rolls off the production line; The GPRS front end processor also sends the message that rolls off the production line of this GPS terminal to NM server, NM server is designated as current presence data item in the entry of this GPS terminal in the vehicle summary table of self by this message that rolls off the production line and rolls off the production line;
Step D, operating terminal receives and shows the presence of each GPS terminal that NM server provides in real time: for the GPS terminal that lands or roll off the production line, NM server is found out the operating terminal of this GPS terminal of administration from all the vehicle monitoring tables of self, and the current presence that this GPS terminal is new sends to this operating terminal in real time as state variation message, this operating terminal receives that the current presence that this GPS terminal is new after this state variation message deposits the vehicle monitoring table of self in, and the title and the current presence of each GPS terminal in this vehicle monitoring table shown.
In the embodiment that optimizes: among the described step D, after operating terminal is received the GPS terminal state variation message that NM server sends, this operating terminal with this state variation message as replying loopback to NM server; NM server is replied if receive this in the response time interval of regulation, then NM server will receive this reply in the new current presence information of this GPS terminal and the vehicle summary table of self the new current presence information of this GPS terminal compare, if unanimity does not then deal with this operating terminal; If NM server is not received replying of this operating terminal in the response time interval of regulation, perhaps the result of above-mentioned comparison is inconsistent, and then the current presence information that NM server is new with this GPS terminal in the vehicle summary table of self again sends to this operating terminal as state variation message; After this operating terminal is received this state variation message, repeat aforesaid operations and judge that until NM server this GPS terminal is new in the replying that this operating terminal beams back current presence information is consistent with the current presence information of this GPS terminal in self the vehicle summary table.
The method of the online situation of real time monitoring GPS terminal of the present invention, utilize the GPRS front end processor directly the login message of GPS terminal or the message that rolls off the production line to be sent to NM server, by NM server with above-mentioned GPS terminal land or operating terminal that offline information sends to this GPS terminal of administration in real time goes to show, avoided operating terminal to be in time to show regularly Query Database of GPS terminal presence, caused to the interference of database and the problem of data distortion.The operator can reduce the invalid instruction or the transmit operation of service data by operating terminal control GPS terminal the time, improve the control and the operational efficiency of system.Issue in the processing procedure of GPS terminal state variation message to operating terminal at NM server, operating terminal is replied with the NM server employing and is compared the measure that combines, can guarantee the accuracy of GPS terminal presence change information on the operating terminal, thus the control of the system of assurance and reliable.
Description of drawings
Fig. 1 is the structural representation of existing GPS supervisory control system.
Fig. 2 is the process schematic diagram of an embodiment of method of the online situation of real time monitoring GPS terminal of the present invention.
Embodiment
A GPS supervisory control system that has adopted the method for the online situation of real time monitoring GPS terminal of the present invention is identical with existing GPS supervisory control system shown in Figure 1.In this GPS supervisory control system: a Surveillance center 1 carries out the radio communication contact with many GPS terminals 2, on the one hand the ruuning situation of these GPS terminals 2 of data monitoring of uploading according to each GPS terminal 2 is assigned control command and information on services is provided to each GPS terminal 2 on the other hand.
Be provided with GPRS front end processor 11, service server 12, database 13, NM server 14 and Duo Tai operating terminal 15 in the Surveillance center 1.GPRS front end processor 11 carries out the radio communication contact with each GPS terminal 2 by mobile communications network.In the Surveillance center 1: service server 12 connects with GPRS front end processor 11, realizes two-way information exchange.Service server 12 connects with database 13, and database 13 is carried out data access operation.GPRS front end processor 11 connects with NM server 14, realizes two-way information exchange.All operations terminal 15 all connects with NM server 14, realizes two-way information exchange.All operations terminal 15 all connects with database 13, carries out the operation of reading of data.
In this GPS supervisory control system, assign the communication cryptology of the GPRS front end processor 11 of communication with it for each GPS terminal 2, make GPRS front end processor 11 set up correspondence with each GPS terminal 2 respectively.
In the Surveillance center 1 of this GPS supervisory control system, preserve the vehicle summary table respectively in database 13, NM server 12 and the GPRS front end processor 11, this vehicle summary table comprises the entry of all GPS terminals in the native system, and wherein the data item that comprises in the entry of each GPS terminal has communication cryptology, title, the online record list of this GPS terminal, the zero-time and the current presence of preventive maintenance time section; Wherein, the time that record is landed each time or rolled off the production line in the online record list.
In the Surveillance center 1 of this GPS supervisory control system, each operating terminal 15 is preserved the vehicle monitoring table of this operating terminal, this vehicle monitoring table comprises the entry of all GPS terminals 2 of this operating terminal administration, and wherein the data item that comprises in the entry of each GPS terminal 2 has communication cryptology, title and the current presence of this GPS terminal 2.
In the Surveillance center 1 of this GPS supervisory control system, NM server 14 is preserved the vehicle monitoring table of all operations terminal 15.
In this GPS supervisory control system, the process of the GPS terminal 2 online situations of operating terminal 15 its administrations of real time monitoring, as shown in Figure 2:
Step B, GPS terminal 2 land and data-in storehouse 13 and NM server 14, wherein:
11 logon informations of substep B1, the GPS terminal 2 GPRS front end processor in Surveillance center 1.
Substep B2, after GPRS front end processor 11 is received this logon information, find out the entry of this GPS terminal 2 in the vehicle summary table of its preservation by the communication cryptology of this GPS terminal 2, current presence data item in this entry is designated as online, will charges to the zero-time data item of the preventive maintenance time section in this entry the current time; GPRS front end processor 11 is to the login message of service server 12 these GPS terminals 2 of transmission, and communication cryptology, current time and current presence that this login message contains the GPS terminal 2 that lands are online data item.GPRS front end processor 11 also sends the login message of this GPS terminal 2 to NM server 14, communication cryptology, current time and current presence that this login message contains the GPS terminal 2 that lands are online data item.
Substep B3, after service server 12 is received this login message, search the entry of this GPS terminal 2 in the database 13 interior vehicle summary tables by the communication cryptology of this GPS terminal 2 in this login message, current presence data item in this entry is designated as online, will charge to the current time one of online record single data items in this entry new land the hurdle.
Substep B4, after NM server 14 is received this logon information, NM server 14 is found out the entry of this GPS terminal 2 in himself the vehicle summary table by the communication cryptology of this GPS terminal 2 in this login message, NM server 14 is designated as current presence data item in this entry online.An entry of the state variation table that NM server 14 is charged to self with the communication cryptology of this GPS terminal 2 and current time, wherein the current time is charged to the zero-time hurdle of this entry.
Step C, GPS terminal 2 roll off the production line and data-in storehouse 13 and NM server 14, wherein:
Substep C1, the GPS terminal 2 that has landed with fixed intervals (for example 30 seconds) regularly to 11 maintenance informations of GPRS front end processor.
Substep C2, if GPRS front end processor 11 is received the maintenance information of this GPS terminal 2, judge that then this GPS terminal 2 is online, find out the entry of this GPS terminal 2 in self the vehicle summary table by the communication cryptology of this GPS terminal 2, to charge to the zero-time data item of the preventive maintenance time section in this entry the current time, as the zero-time of next preventive maintenance time section of this GPS terminal 2;
Substep C3, GPRS front end processor 11 is the zero-time data item of the preventive maintenance time section in the entry of online GPS terminal 2 with all current presence data item in the vehicle summary table of fixed intervals (for example 1 minute) regular check self, if the zero-time of the preventive maintenance time section in the entry of this GPS terminal 2 and the difference of current time are greater than the preventive maintenance time section (for example 2 minutes) of regulation, it is GPRS front end processor 11 is not received this GPS terminal 2 as yet after reaching the preventive maintenance time section of regulation maintenance information, then GPRS front end processor 11 judges that this GPS terminal 2 has rolled off the production line, GPRS front end processor 11 is designated as current presence data item in the entry of this GPS terminal 2 in the vehicle summary table of himself and rolls off the production line, and sending the message that rolls off the production line of these GPS terminals to service server 12, this message that rolls off the production line contains the communication cryptology of the GPS terminal 2 that rolls off the production line, current time and current presence are the data item that rolls off the production line.GPRS front end processor 11 also sends the message that rolls off the production line of this GPS terminal 2 to NM server 14, communication cryptology, current time and current presence that this message that rolls off the production line contains the GPS terminal 2 that rolls off the production line are the data item that rolls off the production line.
Substep C4, after service server 12 is received this message that rolls off the production line, search the entry of this GPS terminal 2 in the database 13 interior vehicle summary tables by the communication cryptology of this GPS terminal 2 in this message that rolls off the production line, current presence data item in this entry is designated as rolls off the production line, will charge to a new hurdle that rolls off the production line of online record single data items in this entry the current time.
Substep C5, after NM server 14 is received this offline information, NM server 14 is found out the entry of this GPS terminal 2 in himself the vehicle summary table by the communication cryptology of this GPS terminal 2 in this message that rolls off the production line, NM server 14 is designated as current presence data item in this entry and rolls off the production line.An entry of the state variation table that NM server 14 is charged to self with the communication cryptology of this GPS terminal 2 and current time, wherein the current time is charged to the zero-time hurdle of this entry.
Step D, operating terminal 15 receives and shows the presence of each GPS terminal 2 that NM server 14 provides in real time, wherein:
Substep D1, for the GPS terminal 2 that lands or roll off the production line, NM server 14 is found out the vehicle monitoring table of the communication cryptology of having registered this GPS terminal 2 from all the vehicle monitoring tables of self, is determined the operating terminal 15 of this GPS terminal 2 of administration by this vehicle monitoring table.NM server 14 sends to this operating terminal 15 with the communication cryptology of this GPS terminal 2 and new current presence in real time as state variation message.
Substep D2, after this operating terminal 15 is received this state variation message, search the entry of this GPS terminal 2 in self the vehicle monitoring table by the communication cryptology of this GPS terminal 2 in this state variation message, deposit these GPS terminal 2 new current presences in this entry, and the title and the current presence of each GPS terminal 2 in this vehicle monitoring table shown.
After substep D3, this operating terminal 15 received the GPS terminal state variation message of NM server 14 transmissions, this operating terminal 15 was given NM server 14 with this state variation message as replying loopback.
Substep D4, NM server 14 is replied if receive this, the new current presence information of this GPS terminal is compared in current presence information that this GPS terminal 2 was new during then NM server 14 was replied this and the vehicle summary table of self, if the entry of this GPS terminal 2 in the state variation table of consistent then NM server 14 deletions self, and this operating terminal 15 is not dealt with.The result of above-mentioned comparison is inconsistent, then carries out substep D5.
Substep D5, NM server 14 is with the state variation table of fixed intervals (for example 30 seconds) regular check self, if the data on the zero-time hurdle in the entry of this GPS terminal 2 and the difference of current time are more than or equal to these fixed intervals, promptly NM server 14 is not received replying of this operating terminal 15 in the response time interval of regulation, perhaps the result of above-mentioned comparison is inconsistent, and then NM server 14 sends to this operating terminal 15 with these GPS terminal 2 new current presence information in the vehicle summary table of self as state variation message again.
Substep D6, after this operating terminal 15 is received this state variation message, search the entry of this GPS terminal 2 in self the vehicle monitoring table by the communication cryptology of this GPS terminal 2 in this state variation message, deposit these GPS terminal 2 new current presences in this entry, and the title and the current presence of each GPS terminal 2 in this vehicle monitoring table shown.
After substep D7, this operating terminal 15 received the GPS terminal state variation message of NM server 14 transmissions, this operating terminal 15 was given NM server 14 with this state variation message as replying loopback.
Substep D8, NM server 14 is replied if receive this, the new current presence information of this GPS terminal is compared in current presence information that this GPS terminal 2 was new during then NM server 14 was replied this and the vehicle summary table of self, if the entry of this GPS terminal 2 in the state variation table of consistent then NM server 14 deletions self, and this operating terminal 15 is not dealt with.The result of above-mentioned comparison is inconsistent, then carry out substep D5, repeat aforesaid operations and judge in the replying that these operating terminals 15 beam back that until NM server 14 the new current presence information of this GPS terminal 2 is consistent with the current presence information of this GPS terminal 2 in self the vehicle summary table.
Each operating terminal 15 is direct accessing database 13 also, the online record list in the entry of each GPS terminal 2 of having jurisdiction in the vehicle summary tables in the Query Database 13.See through to investigate institute's GPS terminal of have jurisdiction over 2 historical land number of times and land each time after online situations such as line duration, judge that whether specific GPS terminal 2 work normally or judge whether wireless network normal.
The above only is preferred embodiment of the present invention, does not limit scope of the invention process with this, and the equivalence of doing according to technical scheme of the present invention and description changes and modification, all should belong to the scope that the present invention is contained.
Claims (2)
1. the method for the online situation of real time monitoring GPS terminal, the step that comprises has:
Steps A is set up correspondence and tables of data: assign the communication cryptology of the GPRS front end processor of communicating by letter with it for each GPS terminal, make the GPRS front end processor set up correspondence with each GPS terminal respectively in system; In database, NM server and GPRS front end processor, preserve the vehicle summary table respectively, this vehicle summary table comprises the entry of all GPS terminals in the native system, and wherein the data item that comprises in the entry of each GPS terminal has communication cryptology, the title of this GPS terminal, the zero-time and the current presence of preventive maintenance time section; In each operating terminal, preserve the vehicle monitoring table of this operating terminal, this vehicle monitoring table comprises the entry of all GPS terminals of this operating terminal administration, and wherein the data item that comprises in the entry of each GPS terminal has communication cryptology, title and the current presence of this GPS terminal; In NM server, preserve the vehicle monitoring table of all operations terminal;
Step B, GPS terminal lands and data-in storehouse and NM server: GPS terminal is sent out logon information to the GPRS front end processor, after receiving this logon information, the GPRS front end processor is designated as current presence data item in the entry of this GPS terminal in the vehicle summary table of its preservation online by the communication cryptology of this GPS terminal, with the zero-time of current time as the preventive maintenance time section of this GPS terminal, and sending the login message of this GPS terminal to service server, service server is designated as online by current presence data item in the entry of this login message with this GPS terminal in the vehicle summary table in the database; The GPRS front end processor also sends the login message of this GPS terminal to NM server, NM server is designated as current presence data item in the entry of this GPS terminal in the vehicle summary table of self online by this login message;
Step C, GPS terminal roll off the production line and data-in storehouse and NM server: the GPS terminal that has landed is regularly sent out maintenance information to the GPRS front end processor with fixed intervals; If the GPRS front end processor is received the maintenance information of this GPS terminal, judge that then this GPS terminal is online, with the zero-time of current time as next preventive maintenance time section of this GPS terminal; If the GPRS front end processor is not received the maintenance information of this GPS terminal as yet and is judged that then this GPS terminal rolls off the production line after reaching the preventive maintenance time section of regulation, the GPRS front end processor is designated as current presence data item in the entry of this GPS terminal in the vehicle summary table of its preservation and rolls off the production line, and sending the message that rolls off the production line of this GPS terminal to service server, service server is designated as by current presence data item in this message entry with this GPS terminal in the vehicle summary table in the database that rolls off the production line and rolls off the production line; The GPRS front end processor also sends the message that rolls off the production line of this GPS terminal to NM server, NM server is designated as current presence data item in the entry of this GPS terminal in the vehicle summary table of self by this message that rolls off the production line and rolls off the production line;
Step D, operating terminal receives and shows the presence of each GPS terminal that NM server provides in real time: for the GPS terminal that lands or roll off the production line, NM server is found out the operating terminal of this GPS terminal of administration from all the vehicle monitoring tables of self, and the current presence that this GPS terminal is new sends to this operating terminal in real time as state variation message, this operating terminal receives that the current presence that this GPS terminal is new after this state variation message deposits the vehicle monitoring table of self in, and the title and the current presence of each GPS terminal in this vehicle monitoring table shown.
2. the method for the online situation of a kind of real time monitoring GPS terminal according to claim 1, it is characterized in that: among the described step D, receive the GPS terminal state variation message of NM server transmission at operating terminal after, this operating terminal is given NM server with this state variation message as replying loopback; NM server is replied if receive this in the response time interval of regulation, then NM server will receive this reply in the new current presence information of this GPS terminal and the vehicle summary table of self the new current presence information of this GPS terminal compare, if unanimity does not then deal with this operating terminal; If NM server is not received replying of this operating terminal in the response time interval of regulation, perhaps the result of above-mentioned comparison is inconsistent, and then the current presence information that NM server is new with this GPS terminal in the vehicle summary table of self again sends to this operating terminal as state variation message; After this operating terminal is received this state variation message, repeat aforesaid operations and judge that until NM server this GPS terminal is new in the replying that this operating terminal beams back current presence information is consistent with the current presence information of this GPS terminal in self the vehicle summary table.
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| CN108282219A (en) * | 2018-01-31 | 2018-07-13 | 中电福富信息科技有限公司 | The long link switching handling method of data communication for vehicle satellite positioning system |
| CN108282219B (en) * | 2018-01-31 | 2021-06-29 | 中电福富信息科技有限公司 | Long link switching processing method for data communication of vehicle satellite positioning system |
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