CN113553390A - Running GIS track deviation rectifying method for vehicle-mounted atmospheric micro station - Google Patents
Running GIS track deviation rectifying method for vehicle-mounted atmospheric micro station Download PDFInfo
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Abstract
A running GIS track deviation rectifying method for a vehicle-mounted atmospheric micro-station belongs to the technical field of computers and vehicle-mounted atmospheric micro-stations. The positioning data is filtered, whether the data are normal or not is judged according to the positioning data and the reasonable speed of vehicle running, the collected unreasonable data are discarded, the data of the residual reasonable data are smoothed, the smoothness and the accuracy of the track are increased, meanwhile, the condition that the fixed point positioning track jumps randomly is reduced, and the real condition of the fixed point positioning track or the moving track is reflected.
Description
Technical Field
The invention relates to a running GIS track deviation rectifying method for a vehicle-mounted atmospheric micro-station, and belongs to the technical field of computers and vehicle-mounted atmospheric micro-stations.
Background
The existing vehicle-mounted equipment adopts a positioning module to collect positioning information, no data processing is carried out on the positioning information, the existing GIS tracks often have the conditions of inaccurate positioning and track deviation, and the positioning points often jump randomly in the fixed point tracks, so that the real positioning position can not be displayed.
In the prior art, each track point is received and collected, whether each track point is an abrupt point is judged, if not, processing is not performed, otherwise, the speed of the track point is calculated, and the track point is corrected according to the position information and the speed of the front point and the rear point of the track point, so that the track point is matched with the position information of the front point and the rear point of the track point. The method can not completely filter the influence of the formation of the data point positions with large deviation, and still has the condition of track deviation, and only slightly weakens the influence on the track deviation.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a deviation rectifying method for an operation GIS track of a vehicle-mounted atmospheric micro station.
The utility model provides a method of rectifying of operation GIS orbit for little station of on-vehicle atmosphere, carries out filtration processing to the locating data, judges whether normal according to locating data and the reasonable speed of vehicle travel, abandons the unreasonable data of gathering, carries out data smoothing with surplus reasonable data, increases orbit smoothness and accuracy, reduces the condition that fixed point location orbit jumped indiscriminately simultaneously, reflects the condition of real fixed point location orbit or removal orbit.
A running GIS track deviation rectifying method for a vehicle-mounted atmospheric micro station comprises the following steps:
the vehicle-mounted atmospheric micro-station equipment is generally arranged on an automobile, abnormal point positions are located for clearing, the automobile running speed is judged according to sampling time by calculating the distance between two continuous point positions, and whether the latest point position needs to be discarded is judged according to whether the running speed is in a reasonable range.
And carrying out data average calculation on the continuous N point positions at the point positions within the reasonable range, and improving the acquisition speed of GIS positioning information so as to update the positioning track more quickly.
The formula for carrying out data average calculation on the continuous N point positions is as follows:
G＝(G1+G2+G3+...+GN)/N。
g: the finally calculated positioning data;
g1, first packet positioning data;
g2, second packet positioning data;
GN, the Nth packet positioning data;
n: the amount of point location data.
A running GIS track deviation rectifying method for a vehicle-mounted atmospheric micro station comprises a GIS positioning module, a data processing main board and a track display system, wherein the main board acquires positioning information uploaded by the GIS positioning module, analyzes and processes the data, and displays a final track by the track display system uploading final positioning data.
The invention has the following beneficial effects: through the track correction algorithm, the condition that the fixed points fall in disorder can be weakened, the accuracy of fixed point location positioning is improved, and meanwhile, the moving track is corrected, so that the track is smoother, and the real moving track condition is better reflected.
Before data processing, the track displayed by the platform has obvious deviation from an actual road and a disordered track phenomenon, the fixed point track has serious deviation, the point position is disordered, and the judgment of positioning is seriously influenced.
After data processing, handle the back to the locating data, the orbit that the platform shows more laminates the route that the reality removed to the orbit is level and smooth, can not have mixed and disorderly condition to appear, and fixed point location is more accurate, can not appear the condition of the serious skew of position.
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A more complete appreciation of the invention and many of the attendant advantages thereof will be readily obtained as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein the accompanying drawings are included to provide a further understanding of the invention and form a part of this specification, and wherein the illustrated embodiments of the invention and the description thereof are intended to illustrate and not limit the invention, as illustrated in the accompanying drawings, in which:
FIG. 1 is a diagram of a process of the present invention.
FIG. 2 is a second flowchart of the process of the present invention.
The invention is further illustrated with reference to the following figures and examples.
Detailed Description
It will be apparent that those skilled in the art can make many modifications and variations based on the spirit of the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element, component or section is referred to as being "connected" to another element, component or section, it can be directly connected to the other element or section or intervening elements or sections may also be present. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art.
The following examples are further illustrative in order to facilitate the understanding of the embodiments, and the present invention is not limited to the examples.
Example 1: as shown in fig. 1, a method for correcting a running GIS track of a vehicle-mounted atmospheric micro-station includes the following steps: the main control board is through communicating with the GIS module, acquire the data package that the GIS module uploaded, parse the data package, acquire the locating data in the data package, according to two package locating data in 10 seconds, calculate the distance that the equipment removed in 10 seconds, if the migration distance exceeds 300 meters, then think that back locating data is unreasonable, abandon this data, the data of migration distance within 300 meters, carry out the smooth mean value calculation of a minute of slip, upload the platform with the data that obtains of calculating at last, carry out the orbit and show.
As shown in fig. 2, a method for correcting a running GIS track of a vehicle-mounted atmospheric micro-station includes the following steps: after GIS positioning data is obtained, the data is analyzed and calculated through a main control board, uploaded to a platform to display a track, carried with mobile equipment in a mode of automobile, bicycle, walking and the like to perform a field track test, problems are searched according to actual tracks and data, the reason of track deviation is analyzed, a solution is arranged, an algorithm is corrected, the field track test is performed again, and a final algorithm scheme is determined through continuous correction of the algorithm and the test
Example 2: as shown in fig. 2, a technician needs to add a data processing algorithm to a main board program, and meanwhile, obtains a large amount of test data by testing a fixed point trajectory and a moving trajectory for a long time, and corrects the algorithm by the data. The method finally needs the collection of a large amount of test data, data analysis, judgment of the cause of the problem of the positioning track deviation, determination of the processing mode and final determination of the processing scheme.
A running GIS track deviation rectifying method for a vehicle-mounted atmospheric micro station comprises a GIS positioning module, a data processing mainboard and a track display system, wherein the mainboard acquires positioning information uploaded by the GIS module, analyzes and processes the data, and the track display system uploads final positioning data to display a final track.
The GIS positioning module collects original positioning data and transmits the data to the mainboard.
The main board analyzes and processes the positioning data through a GIS track deviation rectifying algorithm, and uploads the final positioning data to a track display system for display.
Collecting and analyzing a large amount of test data:
carrying equipment in modes of automobiles, bicycles, walking and the like, carrying out actual track test on urban roads, acquiring a data packet uploaded by the equipment through a platform, observing the track condition displayed by the platform, comparing the displayed track with uploaded positioning data, analyzing the cause of track deviation, thinking a solution, correcting a data processing algorithm, and determining a final solution through continuous testing and algorithm correction;
and a GIS track correction algorithm correction step for correcting the data processing algorithm, which comprises the following steps:
the GIS module data package is analyzed, positioning data in the data package is obtained, the distance of device movement in 10S is calculated according to two packets of positioning data in 10S, if the movement distance exceeds 300 m, the latter positioning data is unreasonable, the data is discarded, the data with the movement distance within 300 m is subjected to sliding smooth mean calculation for one minute, and finally the calculated data is uploaded to a platform for track display.
As described above, although the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that many modifications are possible without substantially departing from the spirit and scope of the present invention. Therefore, such modifications are also all included in the scope of protection of the present invention.
Claims (4)
1. The running GIS track deviation rectifying method for the vehicle-mounted atmospheric micro station is characterized in that positioning data is filtered, whether the data are normal or not is judged according to the positioning data and the reasonable running speed of a vehicle, collected unreasonable data are discarded, and the remaining reasonable data are subjected to data smoothing, so that track smoothness and accuracy are improved, meanwhile, the condition that a fixed point positioning track jumps randomly is reduced, and the real condition of the fixed point positioning track or the moving track is reflected.
2. The GIS track deviation rectifying method for the vehicle-mounted atmospheric micro station as claimed in claim 1, characterized by comprising the following steps:
the vehicle-mounted atmospheric micro-station equipment is arranged on an automobile, and is used for judging the running speed of the automobile according to sampling time by calculating the distance between two continuous point locations and judging whether the latest point location needs to be discarded or not according to whether the running speed is in a reasonable range or not;
carrying out data average calculation on the continuous N point locations at the point locations within the reasonable range, and improving the speed of acquiring GIS positioning information so as to update the positioning track more quickly;
carrying out data average calculation on the continuous N point positions, wherein the formula is as follows:
G＝(G1+G2+G3+...+GN)/N；
g: the finally calculated positioning data;
g1, first packet positioning data;
g2, second packet positioning data;
GN, the Nth packet positioning data;
n: the amount of point location data.
3. A running GIS track deviation rectifying method for a vehicle-mounted atmospheric micro station is characterized by comprising a GIS positioning module, a data processing main board and a track display system, wherein the main board acquires positioning information uploaded by the GIS positioning module, analyzes and processes the data, and the final track is displayed by the track display system which uploads the final positioning data.
4. The GIS track deviation rectifying method for vehicle-mounted atmospheric micro station as claimed in claim 3, wherein the GIS positioning module collects data of original positioning and transmits the data to the main board,
the main board analyzes and processes the positioning data through a GIS track deviation rectifying algorithm, uploads the final positioning data to a track display system for display,
data acquisition and analysis processing steps:
carrying the equipment by means of automobile, bicycle, walking and the like, carrying out actual track test on urban roads, acquiring data packets uploaded by the equipment by a platform, observing the track condition displayed by the platform, comparing the displayed track with uploaded positioning data, analyzing the cause of track deviation, thinking a solution, correcting a data processing algorithm, determining a final solution by continuous test and algorithm correction,
and a GIS track correction algorithm correction step for correcting the data processing algorithm, which comprises the following steps:
the GIS module data package is analyzed, positioning data in the data package is obtained, the distance of device movement in 10 seconds is calculated according to two packets of positioning data in 10 seconds, if the movement distance exceeds 300 meters, the latter positioning data is unreasonable, the data are discarded, the data with the movement distance within 300 meters are subjected to sliding smooth mean value calculation for one minute, and finally the calculated data are uploaded to a platform for track display.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114360240A (en) * | 2021-12-06 | 2022-04-15 | 合肥湛达智能科技有限公司 | High-precision positioning method based on vehicle networking track characteristics |
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| CN109215347A (en) * | 2018-10-22 | 2019-01-15 | 北京航空航天大学 | A kind of traffic data quality control method based on crowdsourcing track data |
| CN111538050A (en) * | 2020-04-17 | 2020-08-14 | 拉货宝网络科技有限责任公司 | GPS trajectory deviation rectifying method based on speed calculation strategy |
| CN113031033A (en) * | 2021-02-03 | 2021-06-25 | 广东泰迪智能科技股份有限公司 | Track deviation rectifying device and method based on GPS data |
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- 2021-07-12 CN CN202110784948.0A patent/CN113553390A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215347A (en) * | 2018-10-22 | 2019-01-15 | 北京航空航天大学 | A kind of traffic data quality control method based on crowdsourcing track data |
| CN111538050A (en) * | 2020-04-17 | 2020-08-14 | 拉货宝网络科技有限责任公司 | GPS trajectory deviation rectifying method based on speed calculation strategy |
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| CN114360240A (en) * | 2021-12-06 | 2022-04-15 | 合肥湛达智能科技有限公司 | High-precision positioning method based on vehicle networking track characteristics |
| CN114360240B (en) * | 2021-12-06 | 2023-09-19 | 合肥湛达智能科技有限公司 | High-precision positioning method based on Internet of vehicles track characteristics |
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