CN104394507A - Method and system for solving alarm regional report omission through buffer zone - Google Patents
Method and system for solving alarm regional report omission through buffer zone Download PDFInfo
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- CN104394507A CN104394507A CN201410638468.3A CN201410638468A CN104394507A CN 104394507 A CN104394507 A CN 104394507A CN 201410638468 A CN201410638468 A CN 201410638468A CN 104394507 A CN104394507 A CN 104394507A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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Abstract
The invention provides a method for solving alarm regional report omission through a buffer zone. The method comprises the following steps: 1) setting and storing running speed V, maximum reporting time T1, an alarm zone, a buffer zone and road length L2 in the alarm zone in a GPS (Global Positioning System) monitoring system; 2) receiving and monitoring the alarm zone, the buffer zone and the L2 issued by the GPS monitoring system through GPS vehicle terminal equipment; 3) after a vehicle enters the buffer zone, calculating maximum reporting time T2 after the vehicle enters the buffer zone, and at the time, reporting a position one time at an interval of T2; 4) after the vehicle enters the alarm zone, triggering the alarm zone to give an alarm by the GPS vehicle terminal equipment; and 5) after the vehicle leaves the alarm zone, entering a monitoring mode to wait for a next alarm after that a process of reporting the position one time at the interval of T2 is changed back to a process of reporting the position one time at the interval of T1. The invention also provides a system for solving the alarm regional report omission through the buffer zone, system pressure is lowered, and regional report omission is avoided.
Description
Technical field
The present invention relates to a kind of vehicle GPS navigation system, particularly relate to a kind of method and system failed to report by buffering area solution alarm region.
Background technology
In the Zone Alerts applied based on GPS location, mainly through obtaining the real time GPS position of vehicle, then judge this position whether in the regional extent of specifying, if in scope, toggle area is reported to the police.But there is certain defect in the method for this Zone Alerts.As shown in Figure 1, when the speeds of vehicle with 100km/h, vehicle can move forward 833 meters in every 30 seconds, the distance l2=833 rice namely in Fig. 1 between A point and C point, and need the regional diameter of trigger alarm to only have 500 meters, the distance l1=500 rice namely in Fig. 1 between A point and B point.Reported the frequency of a position according to 30 seconds, report once at alarm point A, the position that reports of next time will at alarm point C, and now vehicle has travelled 833 meters, has obviously crossed alarm region, thus problem is failed to report in generation.Certainly we can improve and report the frequency of position to solve this problem.But GPS position information reports rear needs, and a large amount of computing carrys out judging area scope.Therefore report frequency more intensive, the Internet resources consumed, the calculation resources of server, storage resources can be more, and car-mounted terminal computing pressure will be larger, thus the overall performance of system is reduced.As can be seen here, existing technology, if improve the frequency that reports of GPS location, system can cause bottleneck because pressure is large, and the problem reporting frequency just to have to fail to report if dip exists.Alarm region diameter in Fig. 1 has 500 meters, but in the application scenarios of reality, alarm region does not far reach 500 meters.The triggering of entering the station of such as bus is arrived at a station prompting function, and the region of bus station may only have about hundred meters, and the probability failed to report like this will strengthen.
Summary of the invention
One of the technical problem to be solved in the present invention, be to provide a kind of method failed to report by buffering area solution alarm region, utilize zone buffer and on-the-fly modify GPS report frequency, reach the object that the pressure that can reduce system can ensure again Zone Alerts success rate.
One of problem of the present invention, is achieved in that
By the method that buffering area solution alarm region is failed to report, comprise the steps:
Step 1, arrange in GPS supervisory control system road speed V and vehicle maximum on call time T1, GPS supervisory control system depending on road speed V be vehicle travel average speed, calculate the maximum traveling span L 1=V*T1 of vehicle according to V and T1; Alarm region and road is drawn out according on map operation interface in GPS supervisory control system of the road at the region that need report to the police and place thereof, and calculate the link length L2 in this alarm region by the distance measurement tools of map, when L2 is less than L1, GPS supervisory control system will scale up alarm region and generate buffering area, until the link length being positioned at inside, buffering area is more than or equal to L1; Again alarm region, buffering area, L2, V and T1 are stored to GPS supervisory control system; When L2 is not less than L1, GPS supervisory control system does not generate buffering area, reports a position to fail to report to avoid alarm region with the interval of every T1;
Step 2, GPS vehicle-mounted terminal equipment receive and monitor issued by GPS supervisory control system alarm region, buffering area and L2;
Before step 3, vehicle enter buffering area, GPS vehicle-mounted terminal equipment all reports a position with the interval of every T1 and monitors, when GPS vehicle-mounted terminal equipment monitors after vehicle enters buffering area, GPS supervisory control system monitors road speed V now, according to V and L2 calculate enter buffering area after maximum on to call time T2=L2/V, now GPS vehicle-mounted terminal equipment will report a position with the interval of every T2 and monitor;
Step 4, GPS vehicle-mounted terminal equipment monitor after vehicle enters alarm region, report to the police in trigger alarm region by GPS vehicle-mounted terminal equipment;
Step 5, GPS vehicle-mounted terminal equipment monitor after vehicle rolls alarm region away from, after being reported by every T2 a location restore to report a position to every T1, then start to report position, and now GPS vehicle-mounted terminal equipment will enter listen mode and wait is reported to the police next time.
The technical problem to be solved in the present invention two, be to provide a kind of system failed to report by buffering area solution alarm region, utilize zone buffer and on-the-fly modify GPS report frequency, reach the object that the pressure that can reduce system can ensure again Zone Alerts success rate.
Problem two of the present invention, is achieved in that
By the system that buffering area solution alarm region is failed to report, comprise parameter setting module, parameter monitoring module, computing module, trigger alarm module, interval modular converter;
Described parameter setting module, for arrange in GPS supervisory control system road speed V and vehicle maximum on call time T1, GPS supervisory control system depending on road speed V be vehicle travel average speed, calculate the maximum traveling span L 1=V*T1 of vehicle according to V and T1; Alarm region and road is drawn out according on map operation interface in GPS supervisory control system of the road at the region that need report to the police and place thereof, and calculate the link length L2 in this alarm region by the distance measurement tools of map, when L2 is less than L1, GPS supervisory control system will scale up alarm region and generate buffering area, until the link length being positioned at inside, buffering area is more than or equal to L1; Again alarm region, buffering area, L2, V and T1 are stored to GPS supervisory control system; When L2 is not less than L1, GPS supervisory control system does not generate buffering area, reports a position to fail to report to avoid alarm region with the interval of every T1;
Described parameter monitoring module, receive for GPS vehicle-mounted terminal equipment and monitor issued by GPS supervisory control system alarm region, buffering area and L2;
Described computing module, before entering buffering area for vehicle, GPS vehicle-mounted terminal equipment all reports a position with the interval of every T1 and monitors, when GPS vehicle-mounted terminal equipment monitors after vehicle enters buffering area, GPS supervisory control system monitors road speed V now, according to V and L2 calculate enter buffering area after maximum on to call time T2=L2/V, now GPS vehicle-mounted terminal equipment will report a position with the interval of every T2 and monitor;
Described trigger alarm module, monitoring after vehicle enters alarm region for GPS vehicle-mounted terminal equipment, reports to the police in trigger alarm region by GPS vehicle-mounted terminal equipment;
Described interval modular converter, monitor after vehicle rolls alarm region away from for GPS vehicle-mounted terminal equipment, after being reported by every T2 a location restore to report a position to every T1, then start to report position, now GPS vehicle-mounted terminal equipment will enter listen mode and wait for and report to the police next time.
Tool of the present invention has the following advantages: the present invention utilize zone buffer and on-the-fly modify GPS report frequency, reach initiatively to improve if desired and report frequency, initiatively reduce GPS time inessential and report frequency, solve high-frequency waste system resource that fixed frequency brings, system pressure is large; Although low frequency can alleviate system pressure, exist and fail to report alert risk.Thus the present invention can reach the object that the pressure that can reduce system can ensure again Zone Alerts success rate.
Accompanying drawing explanation
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the schematic diagram that alarm region is failed to report.
Fig. 2 is the schematic diagram generating buffering area in the present invention.
Embodiment
Refer to shown in Fig. 2, a kind of method failed to report by buffering area solution alarm region, is comprised the steps:
Step 1, arrange in GPS supervisory control system road speed V and vehicle maximum on to call time T1, GPS supervisory control system is the average speed that vehicle travels depending on road speed V, assuming that V=120km/h, T=30s, calculate maximum traveling span L 1=V*T1=((120*1000)/60/60) the * 30=1000m of vehicle according to V and T1; Alarm region and road is drawn out according on map operation interface in GPS supervisory control system of the road at the region that need report to the police and place thereof, and calculate the link length L2 in this alarm region by the distance measurement tools of map, namely the length between position B and position C, assuming that L2=131m, now L2 is less than L1, GPS supervisory control system will scale up alarm region and generate buffering area, until the link length being positioned at inside, buffering area is more than or equal to L1, the length namely between position A and position D is greater than or equals L1; Again alarm region, buffering area, L2, V and T1 are stored to GPS supervisory control system;
Step 2, GPS vehicle-mounted terminal equipment receive and monitor issued by GPS supervisory control system alarm region, buffering area and L2;
Before step 3, vehicle enter buffering area, GPS vehicle-mounted terminal equipment all reports a position with the interval of every 30s and monitors, when GPS vehicle-mounted terminal equipment monitors after vehicle enters buffering area, GPS supervisory control system monitors road speed V now, according to V and L2 calculate enter buffering area after maximum on to call time T2=L2/V=131/ (120*1000/3600) ≈ 3.9s, now GPS vehicle-mounted terminal equipment will report a position with the interval of every 3.9s and monitor;
Step 4, GPS vehicle-mounted terminal equipment monitor after vehicle enters alarm region, report to the police in trigger alarm region by GPS vehicle-mounted terminal equipment;
Step 5, GPS vehicle-mounted terminal equipment monitor after vehicle rolls alarm region away from, after being reported by every 3.9s a location restore to report a position to every 30s, then start to report position, and now GPS vehicle-mounted terminal equipment will enter listen mode and wait is reported to the police next time.
By the system that buffering area solution alarm region is failed to report, comprise parameter setting module, parameter monitoring module, computing module, trigger alarm module, interval modular converter;
Described parameter setting module, for arrange in GPS supervisory control system road speed V and vehicle maximum on to call time T1, GPS supervisory control system is the average speed that vehicle travels depending on road speed V, assuming that V=120km/h, T=30s, calculate maximum traveling span L 1=V*T1=((120*1000)/60/60) the * 30=1000m of vehicle according to V and T1; Alarm region and road is drawn out according on map operation interface in GPS supervisory control system of the road at the region that need report to the police and place thereof, and calculate the link length L2 in this alarm region by the distance measurement tools of map, namely the length between position B and position C, assuming that L2=131m, now L2 is less than L1, GPS supervisory control system will scale up alarm region and generate buffering area, until the link length being positioned at inside, buffering area is more than or equal to L1, the length namely between position A and position D is greater than or equals L1; Again alarm region, buffering area, L2, V and T1 are stored to GPS supervisory control system;
Described parameter monitoring module, receive for GPS vehicle-mounted terminal equipment and monitor issued by GPS supervisory control system alarm region, buffering area and L2;
Described computing module, before entering buffering area for vehicle, GPS vehicle-mounted terminal equipment all reports a position with the interval of every 30s and monitors, when GPS vehicle-mounted terminal equipment monitors after vehicle enters buffering area, GPS supervisory control system monitors road speed V now, according to V and L2 calculate enter buffering area after maximum on to call time T2=L2/V=131/ (120*1000/3600) ≈ 3.9s, now GPS vehicle-mounted terminal equipment will report a position with the interval of every 3.9s and monitor;
Described trigger alarm module, monitoring after vehicle enters alarm region for GPS vehicle-mounted terminal equipment, reports to the police in trigger alarm region by GPS vehicle-mounted terminal equipment;
Described interval modular converter, monitor after vehicle rolls alarm region away from for GPS vehicle-mounted terminal equipment, after being reported by every 3.9s a location restore to report a position to every 30s, then start to report position, now GPS vehicle-mounted terminal equipment will enter listen mode and wait for and report to the police next time.
Wherein, when vehicle travels to buffering area, adjustable T2 to T1, if now T2 is less than or equal to 3.9s, just reports position at least one times in alarm region, thus trigger alarm, so just can prevent the phenomenon that alarm region is failed to report.
Although the foregoing describe the specific embodiment of the present invention; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present invention; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present invention and change, should be encompassed in scope that claim of the present invention protects.
Claims (2)
1., by the method that buffering area solution alarm region is failed to report, it is characterized in that: comprise the steps:
Step 1, arrange in GPS supervisory control system road speed V and vehicle maximum on call time T1, GPS supervisory control system depending on this road speed V be vehicle travel average speed, calculate the maximum traveling span L 1=V*T1 of vehicle according to V and T1; Alarm region and road is drawn out according on map operation interface in GPS supervisory control system of the road at the region that need report to the police and place thereof, and calculate the link length L2 in this alarm region by the distance measurement tools of map, when L2 is less than L1, GPS supervisory control system will scale up alarm region and generate buffering area, until the link length being positioned at inside, buffering area is more than or equal to L1; Again alarm region, buffering area, L2, V and T1 are stored to GPS supervisory control system; When L2 is not less than L1, GPS supervisory control system does not generate buffering area, reports a position to fail to report to avoid alarm region with the interval of every T1;
Step 2, GPS vehicle-mounted terminal equipment receive and monitor issued by GPS supervisory control system alarm region, buffering area and L2;
Before step 3, vehicle enter buffering area, GPS vehicle-mounted terminal equipment all reports a position with the interval of every T1 and monitors, when GPS vehicle-mounted terminal equipment monitors after vehicle enters buffering area, GPS supervisory control system monitors road speed V now, according to V and L2 calculate enter buffering area after maximum on to call time T2=L2/V, now GPS vehicle-mounted terminal equipment will report a position with the interval of every T2 and monitor;
Step 4, GPS vehicle-mounted terminal equipment monitor after vehicle enters alarm region, report to the police in trigger alarm region by GPS vehicle-mounted terminal equipment;
Step 5, GPS vehicle-mounted terminal equipment monitor after vehicle rolls alarm region away from, after being reported by every T2 a location restore to report a position to every T1, then start to report position, and now GPS vehicle-mounted terminal equipment will enter listen mode and wait is reported to the police next time.
2., by the system that buffering area solution alarm region is failed to report, it is characterized in that: comprise parameter setting module, parameter monitoring module, computing module, trigger alarm module, interval modular converter;
Described parameter setting module, for arrange in GPS supervisory control system road speed V and vehicle maximum on call time T1, GPS supervisory control system depending on road speed V be vehicle travel average speed, calculate the maximum traveling span L 1=V*T1 of vehicle according to V and T1; Alarm region and road is drawn out according on map operation interface in GPS supervisory control system of the road at the region that need report to the police and place thereof, and calculate the link length L2 in this alarm region by the distance measurement tools of map, when L2 is less than L1, GPS supervisory control system will scale up alarm region and generate buffering area, until the link length being positioned at inside, buffering area is more than or equal to L1; Again alarm region, buffering area, L2, V and T1 are stored to GPS supervisory control system; When L2 is not less than L1, GPS supervisory control system does not generate buffering area, reports a position to fail to report to avoid alarm region with the interval of every T1;
Described parameter monitoring module, receive for GPS vehicle-mounted terminal equipment and monitor issued by GPS supervisory control system alarm region, buffering area and L2;
Described computing module, before entering buffering area for vehicle, GPS vehicle-mounted terminal equipment all reports a position with the interval of every T1 and monitors, when GPS vehicle-mounted terminal equipment monitors after vehicle enters buffering area, GPS supervisory control system monitors road speed V now, according to V and L2 calculate enter buffering area after maximum on to call time T2=L2/V, now GPS vehicle-mounted terminal equipment will report a position with the interval of every T2 and monitor;
Described trigger alarm module, monitoring after vehicle enters alarm region for GPS vehicle-mounted terminal equipment, reports to the police in trigger alarm region by GPS vehicle-mounted terminal equipment;
Described interval modular converter, monitor after vehicle rolls alarm region away from for GPS vehicle-mounted terminal equipment, after being reported by every T2 a location restore to report a position to every T1, then start to report position, now GPS vehicle-mounted terminal equipment will enter listen mode and wait for and report to the police next time.
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| CN201410638468.3A CN104394507B (en) | 2014-11-13 | 2014-11-13 | It is a kind of to solve the method and system that alarm region is failed to report by buffer area |
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Cited By (2)
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| CN109118829A (en) * | 2018-09-10 | 2019-01-01 | 北京航空航天大学东营研究院 | A kind of airport personnel dynamic monitoring and controlling method and system |
| CN112200101A (en) * | 2020-10-15 | 2021-01-08 | 河南省交通规划设计研究院股份有限公司 | Video monitoring and analyzing method for maritime business based on artificial intelligence |
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Cited By (3)
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