CN105702075A - Method and system for monitoring vehicle track - Google Patents
Method and system for monitoring vehicle track Download PDFInfo
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- CN105702075A CN105702075A CN201610172093.5A CN201610172093A CN105702075A CN 105702075 A CN105702075 A CN 105702075A CN 201610172093 A CN201610172093 A CN 201610172093A CN 105702075 A CN105702075 A CN 105702075A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
Abstract
The invention discloses a method and system for monitoring a vehicle track. The method comprises: current position information of a vehicle is obtained by using a GPS positioning way and is stored at an interval of first preset time; all pieces of position information is obtained and stored within second preset time at an interval of the second preset time to carry out information uploading, wherein the second preset time is larger than the first preset time and the second preset time is an integral multiple of the first preset time; and the uploaded position information is displayed on a map and position points that are displayed on the map based on the position information are connected to form a moving track. With the method, the total power consumption of position information uploading is reduced; and accuracy of vehicle track monitoring is improved.
Description
Technical field
The present invention relates to vehicle monitoring technical field, particularly relate to a kind of method and system monitoring track of vehicle。
Background technology
At present, the ultimate principle of GPS system is the satellite measuring known location to the distance between receiver user, then the data of comprehensive multi-satellite just may know that the particular location of receiver, GPS only receives the signal of satellite, and then the arithmetic unit of receiver is in locally calculated latitude and longitude coordinates。If A is the vehicle being loaded with GPS receiver, the operation principle of GPS perfectly solves navigation and uses the demand of scene, then the GPS system that A can pass through to load can know the position at A place in real time。Nowadays, GPS monitor in real time has had become as another kind of growing use scene, and third party B wants the real time position of knowing A。
Way current at present is between A and B to set up connection, and point at a fixed time, namely every one period of regular time: 1 second, 5 seconds, 10 seconds, 30 seconds, 1 minute ..., A sends the position at A place to B。Then B has been known that A real time position and motion track。Such use scene has: Department of Communications's monitoring to taxi position, the whole city, public security department's monitoring to whole city's police strength and vehicle and Personnel Resources。
But Fixed Time Interval uploading position, if interval is long, cause that GPS track cannot react true path, the accuracy of track of vehicle monitoring is very low, if interval is too short, may result in equipment electricity transition loss, this is for can only mobile phone be fatal shortcoming, and namely the total power consumption of upload location information is too high。And because weather, the objective factors such as building environment, there is drift in the GPS location obtained, the situations such as exception cannot be stopped, when uploading position, what likely upload is Null Spot position, and so causing at present can not be satisfactory to the practical effect of the GPS monitor in real time of personnel and vehicle。
Summary of the invention
It is an object of the invention to provide a kind of method and system monitoring track of vehicle, to realize reducing the total power consumption of upload location information, and improve the accuracy of track of vehicle monitoring。
For solving above-mentioned technical problem, the present invention provides a kind of method monitoring track of vehicle, and the method includes:
Every one section of first Preset Time, utilize GPS to position mode and obtain a current positional information of vehicle and preserve described positional information；
Every one section of second Preset Time, all of positional information obtaining in described second Preset Time and preserving is uploaded；Described second Preset Time is more than described first Preset Time, and the integral multiple that described second Preset Time is described first Preset Time；
The positional information uploaded is displayed on map, the location point that each positional information shows on map is coupled together formation movement locus。
Preferably, described method also includes:
When vehicle is complete vehicle curb condition, adjust described second Preset Time, the upload frequencies of the information that dips；
When vehicle is passenger carrying status, adjust described second Preset Time, improve the upload frequencies of positional information。
Preferably, described first Preset Time is 5s, and described second Preset Time is 30s。
Preferably, described method also includes:
Described movement locus is compared with the road net data in GPS navigation data, using the location point of the positional information inconsistent with road net data as Null Spot position, automatic fitration Null Spot position, form new movement locus。
The present invention also provides for a kind of system monitoring track of vehicle, and including positioner and supervising device, described positioner is arranged on vehicle；Wherein, described positioner includes:
Acquisition module, for every one section of first Preset Time, utilizing GPS to position mode and obtain a current positional information of vehicle and preserve described positional information；
Upper transmission module, for every one section of second Preset Time, all of positional information being obtained in described second Preset Time by described acquisition module and preserving is uploaded；Described second Preset Time is more than described first Preset Time, and the integral multiple that described second Preset Time is described first Preset Time；
Wherein, described supervising device, for being displayed on map by the positional information that described upper transmission module is uploaded, the location point that each positional information shows on map is coupled together formation movement locus。
Preferably, described positioner also includes:
Adjusting module, for when vehicle is complete vehicle curb condition, adjusting described second Preset Time, the upload frequencies of the information that dips；When vehicle is passenger carrying status, adjust described second Preset Time, improve the upload frequencies of positional information。
Preferably, described first Preset Time is 5s, and described second Preset Time is 30s。
Preferably, described supervising device also includes:
Filtering module, for described movement locus is compared with the road net data in GPS navigation data, using the location point of the positional information inconsistent with road net data as Null Spot position, automatic fitration Null Spot position, form new movement locus。
A kind of method and system monitoring track of vehicle provided by the present invention, every one section of first Preset Time, utilize GPS to position mode and obtain a current positional information of vehicle and preserve described positional information；Every one section of second Preset Time, all of positional information obtaining in described second Preset Time and preserving is uploaded；Described second Preset Time is more than described first Preset Time, and the integral multiple that described second Preset Time is described first Preset Time；The positional information uploaded is displayed on map, the location point that each positional information shows on map is coupled together formation movement locus。Visible, once upload multiple positional information when uploading data every time, it it is no longer each time point positional information of only uploading this time point, but each time point uploads the positional information of multiple time points interval smaller in this time point, interval between the multiple positional informationes so obtained is shorter, can truly reflect the movement locus of vehicle, improve the accuracy of track of vehicle monitoring, simultaneously, what upload when uploading is the positional information of the multiple time points in this time period every time, it is no longer obtain positional information just to upload and cause too consuming power consumption every time, but immediately positional information is preserved, once upload and just upload the multiple positional informationes preserved, so reduce the total power consumption of whole upload location information process, therefore the present invention realizes reducing the total power consumption of upload location information, and improve the accuracy of track of vehicle monitoring。
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided。
Fig. 1 is the flow chart of a kind of method monitoring track of vehicle provided by the present invention；
Fig. 2 is the structural representation of a kind of system monitoring track of vehicle provided by the present invention。
Detailed description of the invention
The core of the present invention is to provide a kind of method and system monitoring track of vehicle, to realize reducing the total power consumption of upload location information, and improves the accuracy of track of vehicle monitoring。
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments。Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention。
Refer to the flow chart that Fig. 1, Fig. 1 are a kind of method monitoring track of vehicle provided by the present invention, the method includes:
S11: every one section of first Preset Time, utilizes GPS to position mode and obtains a current positional information of vehicle save location information；
S12: every one section of second Preset Time, all of positional information obtaining in the second Preset Time and preserving is uploaded；
Wherein, the second Preset Time is more than the first Preset Time, and the integral multiple that the second Preset Time is the first Preset Time；
S13: displayed on map by the positional information uploaded, couples together formation movement locus by the location point that each positional information shows on map。
Visible, multiple positional information is once uploaded time the method uploads data every time, it it is no longer each time point positional information of only uploading this time point, but each time point uploads the positional information of multiple time points interval smaller in this time point, interval between the multiple positional informationes so obtained is shorter, can truly reflect the movement locus of vehicle, improve the accuracy of track of vehicle monitoring, simultaneously, what upload when uploading is the positional information of the multiple time points in this time period every time, it is no longer obtain positional information just to upload and cause too consuming power consumption every time, but immediately positional information is preserved, once upload and just upload the multiple positional informationes preserved, so reduce the total power consumption of whole upload location information process, therefore the method realizes reducing the total power consumption of upload location information, and improve the accuracy of track of vehicle monitoring。
Based on said method, concrete, the first Preset Time is 5s, and the second Preset Time is 30s。Certainly being not necessarily set to 5s and 30s, the first Preset Time and the second Preset Time can also freely be arranged。This method adopts and repeatedly obtains, and the mode uploaded of batch carries out the transmission of data, single in traditional existing method is uploaded a position and changes single batch into and upload multiple position。Traditional existing method is often to cross one section of fixed interval, is uploaded instant position。In the method for the present invention, the history point position that the interval uploading to last time between uploading specifically by being uploaded in upload procedure is less, can referring to table 1, table 1 uploads example for a some bit data。
Table 1
| Sequence number | Time | Longitude Lat | Latitude lon | Explanation |
| 1 | 15:25:05 | 31.5372 | 120.5185 | Upload 1 |
| 2 | 15:25:06 | 31.5376 | 120.5184 | |
| 3 | 15:25:07 | 31.5379 | 120.5186 | |
| 4 | 15:25:08 | 31.5382 | 120.5184 | |
| 5 | 15:25:09 | 31.5386 | 120.5185 | |
| 6 | 15:25:10 | 31.5389 | 120.5187 | Upload 3-6 |
| 7 | 15:25:11 | 31.5389 | 120.5182 | |
| 8 | 15:25:12 | 31.5389 | 120.5184 | |
| 9 | 15:25:13 | 31.5490 | 120.5183 | |
| 10 | 15:25:14 | 31.5491 | 120.5186 | |
| 11 | 15:25:15 | 31.5492 | 120.5185 | Upload 7-11 |
| 12 | 15:25:16 | 31.5494 | 120.5184 | |
| 13 | 15:25:17 | 31.5496 | 120.5184 | |
| 14 | 15:25:18 | 31.5499 | 120.5186 |
Monitored vehicle in table 1 just advances from south to north, and the positioner that it loads have recorded its position every 1 second, and upload procedure is to be uploaded by 5 records in past 5 seconds every 5 seconds。Here parameter can be arranged separately: positioner have recorded its position every 5 seconds, and upload procedure is to be uploaded by 6 records in past 30 seconds every 30 seconds。The point position occurred in literary composition is the positional information of vehicle, and positional information is specially the longitude and latitude that vehicle is current。
Concrete, it is that the first Preset Time just obtains a positional information and preserves at set intervals by positioner, and be that the second Preset Time is just uploaded all positional informationes during this period of time obtaining and preserving and uploaded at set intervals, it is uploaded to supervising device, by supervising device, the positional information uploaded is displayed on map, the location point that each positional information shows on map is coupled together formation movement locus。The interval of upload location information is several times of the interval obtaining positional information, and namely the second Preset Time is the integral multiple of the first Preset Time。
And, when vehicle is complete vehicle curb condition, adjust the second Preset Time, the upload frequencies of the information that dips；When vehicle is passenger carrying status, adjust the second Preset Time, improve the upload frequencies of positional information。So adopting dynamic uplink time interval, the actual desirability according to monitoring, interval or the frequency of uploading a position can dynamically adjust。
Such as, when monitoring taxi, the frequency uploaded of some position can two kinds of different vehicle states of corresponding empty wagons/carrying be configured, the interval uploading a position is the delay of monitor in real time, when to tracked object special concern, for instance during taxi, upload frequencies is heightened, when tracked object is not special concern, such as, when taxi does not have carrying, upload frequencies is turned down。
So adopt dynamic upload frequencies, monitored object path under specific state can be made on the one hand more effective, also power consumption and the data transmission cost of uploading device have dynamically been managed on the other hand, at present, taxi, smart mobile phone commonly uses the mobile operator 2G/3G/4G network provided to carry out data and uploads, and the management data upload frequencies of high-frequency/low-frequency can more reasonably use data transmission resources, it is achieved reduces the total power consumption of upload location information。
It addition, repeatedly obtain positional information, namely batch upload location information is put potential energy and is enough greatly optimized track, under the premise that upload frequencies is constant, the some position of acquisition has more several times than traditional method。Combining with dynamic upload frequencies, upload frequencies in present invention height and traditional method obvious differences, the height of upload frequencies can't affect the density following the trail of target trajectory。What target trajectory density was followed the trail of in impact is the frequency of upload procedure repeatedly acquisition point position, and the frequency influence uploaded is on monitoring screen, and namely the refresh rate following the trail of impact point position postpones。And in traditional method, follow the trail of the refresh rate following the trail of impact point position on target trajectory density and monitoring screen and namely postpone all to be determined by uplink time interval。The present invention controls upload frequencies respectively and obtains positional information frequency, improves a position and follows the trail of the practicality namely monitoring vehicle location。
Concrete, after step S13, movement locus is compared with the road net data in GPS navigation data, using the location point of the positional information inconsistent with road net data as Null Spot position, automatic fitration Null Spot position, form new movement locus。
According to the historical track in the short time, automatic fitration Null Spot position, after the N bar point position information have collected in the M second, in conjunction with the road net data in its track and GPS navigation data, automatically analyze filtration Null Spot position, ensure that the some position uploaded is all available point position, improve the accuracy of track of vehicle monitoring。
When the quantity of monitoring objective is from the single magnanimity that becomes, during monitor in real time magnanimity target, visually it is easily created interference in Null Spot position, and in the research that magnanimity historical track is carried out, filters Null Spot position and often consume substantial amounts of time and amount of calculation。The present invention has used for reference the thought of Distributed Calculation, in conjunction with the road net data in its track and GPS navigation data in the process of bleeding point bit data, automatically analyze filtration Null Spot position, ensure that the some position uploaded is all available point position, at once eliminate Null Spot position, substantially increase efficiency for application afterwards。
Refer to the structural representation that Fig. 2, Fig. 2 are a kind of system monitoring track of vehicle provided by the present invention。This system includes positioner 1 and supervising device 2, and wherein, positioner 1 is arranged on vehicle；Positioner 1 includes:
Acquisition module 101, for every one section of first Preset Time, utilizing GPS to position mode and obtain a current positional information of vehicle save location information；
Upper transmission module 102, for every one section of second Preset Time, all of positional information being obtained in the second Preset Time by acquisition module 101 and preserving is uploaded；Second Preset Time is more than the first Preset Time, and the integral multiple that the second Preset Time is the first Preset Time；
Wherein, supervising device 2, for being displayed on map by the positional information that upper transmission module 102 is uploaded, the location point that each positional information shows on map is coupled together formation movement locus。
Visible, multiple positional information is once uploaded time this system uploads data every time, it it is no longer each time point positional information of only uploading this time point, but each time point uploads the positional information of multiple time points interval smaller in this time point, interval between the multiple positional informationes so obtained is shorter, can truly reflect the movement locus of vehicle, improve the accuracy of track of vehicle monitoring, simultaneously, what upload when uploading is the positional information of the multiple time points in this time period every time, it is no longer obtain positional information just to upload and cause too consuming power consumption every time, but immediately positional information is preserved, once upload and just upload the multiple positional informationes preserved, so reduce the total power consumption of whole upload location information process, therefore this system realizes reducing the total power consumption of upload location information, and improve the accuracy of track of vehicle monitoring。
It is that the first Preset Time just obtains a positional information and preserves at set intervals by positioner, and be that the second Preset Time is just uploaded all positional informationes during this period of time obtaining and preserving and uploaded at set intervals, it is uploaded to supervising device, by supervising device, the positional information uploaded is displayed on map, the location point that each positional information shows on map is coupled together formation movement locus。The interval of upload location information is several times of the interval obtaining positional information, and namely the second Preset Time is the integral multiple of the first Preset Time。
Detailed, positioner also includes:
Adjusting module, for when vehicle is complete vehicle curb condition, adjusting the second Preset Time, the upload frequencies of the information that dips；When vehicle is passenger carrying status, adjust the second Preset Time, improve the upload frequencies of positional information。
Wherein, the first Preset Time is 5s, and the second Preset Time is 30s。
Concrete, positional information is uploaded to supervising device by upper transmission module, and supervising device receives the positional information uploaded。
Supervising device also includes:
Filtering module, for movement locus is compared with the road net data in GPS navigation data, using the location point of the positional information inconsistent with road net data as Null Spot position, automatic fitration Null Spot position, form new movement locus。
To sum up, a kind of method and system monitoring track of vehicle provided by the present invention, every one section of first Preset Time, utilize GPS to position mode and obtain a current positional information of vehicle and preserve described positional information；Every one section of second Preset Time, all of positional information obtaining in the second Preset Time and preserving is uploaded；Second Preset Time is more than the first Preset Time, and the integral multiple that the second Preset Time is the first Preset Time；The positional information uploaded is displayed on map, the location point that each positional information shows on map is coupled together formation movement locus。Visible, once upload multiple positional information when uploading data every time, it it is no longer each time point positional information of only uploading this time point, but each time point uploads the positional information of multiple time points interval smaller in this time point, interval between the multiple positional informationes so obtained is shorter, can truly reflect the movement locus of vehicle, improve the accuracy of track of vehicle monitoring, simultaneously, what upload when uploading is the positional information of the multiple time points in this time period every time, it is no longer obtain positional information just to upload and cause too consuming power consumption every time, but immediately positional information is preserved, once upload and just upload the multiple positional informationes preserved, so reduce the total power consumption of whole upload location information process, therefore the present invention realizes reducing the total power consumption of upload location information, and improve the accuracy of track of vehicle monitoring。
Above a kind of method and system monitoring track of vehicle provided by the present invention are described in detail。Principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention。It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention carries out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention。
Claims (8)
1. the method monitoring track of vehicle, it is characterised in that including:
Every one section of first Preset Time, utilize GPS to position mode and obtain a current positional information of vehicle and preserve described positional information；
Every one section of second Preset Time, all of positional information obtaining in described second Preset Time and preserving is uploaded；Described second Preset Time is more than described first Preset Time, and the integral multiple that described second Preset Time is described first Preset Time；
The positional information uploaded is displayed on map, the location point that each positional information shows on map is coupled together formation movement locus。
2. the method for claim 1, it is characterised in that also include:
When vehicle is complete vehicle curb condition, adjust described second Preset Time, the upload frequencies of the information that dips；
When vehicle is passenger carrying status, adjust described second Preset Time, improve the upload frequencies of positional information。
3. the method for claim 1, it is characterised in that described first Preset Time is 5s, described second Preset Time is 30s。
4. method as described in any one in claims 1 to 3, it is characterised in that also include:
Described movement locus is compared with the road net data in GPS navigation data, using the location point of the positional information inconsistent with road net data as Null Spot position, automatic fitration Null Spot position, form new movement locus。
5. the system monitoring track of vehicle, it is characterised in that including positioner and supervising device, described positioner is arranged on vehicle；Wherein, described positioner includes:
Acquisition module, for every one section of first Preset Time, utilizing GPS to position mode and obtain a current positional information of vehicle and preserve described positional information；
Upper transmission module, for every one section of second Preset Time, all of positional information being obtained in described second Preset Time by described acquisition module and preserving is uploaded；Described second Preset Time is more than described first Preset Time, and the integral multiple that described second Preset Time is described first Preset Time；
Wherein, described supervising device, for being displayed on map by the positional information that described upper transmission module is uploaded, the location point that each positional information shows on map is coupled together formation movement locus。
6. system as claimed in claim 5, it is characterised in that described positioner also includes:
Adjusting module, for when vehicle is complete vehicle curb condition, adjusting described second Preset Time, the upload frequencies of the information that dips；When vehicle is passenger carrying status, adjust described second Preset Time, improve the upload frequencies of positional information。
7. system as claimed in claim 5, it is characterised in that described first Preset Time is 5s, and described second Preset Time is 30s。
8. the system as described in any one in claim 5 to 7, it is characterised in that described supervising device also includes:
Filtering module, for described movement locus is compared with the road net data in GPS navigation data, using the location point of the positional information inconsistent with road net data as Null Spot position, automatic fitration Null Spot position, form new movement locus。
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| CN108377270B (en) * | 2018-03-21 | 2021-02-26 | 耘申信息科技（上海）有限公司 | Method and system for reporting and managing equipment use data |
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