CN109002620A - Subgrade compaction AUTOMATIC ZONING and thickness automatic testing method based on paver track - Google Patents
Subgrade compaction AUTOMATIC ZONING and thickness automatic testing method based on paver track Download PDFInfo
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Abstract
The present invention provides subgrade compaction AUTOMATIC ZONINGs and thickness automatic testing method based on paver track, comprising the following steps: step (1): vehicle modeling；Step (2): invalid data filtering；Step (3) earth's surface elevation resolves and intermittent data linear interpolation；Step (4): paver track resolves and is layered according to paver track；Step (5): being modified data and carries out thickness calculating according to modified result, the present invention is based on big-dipper satellite positioning, computational accuracy fully meets the market demand, improves the automated procedures of operation, provides important Data safeguard for compacting construction quality monitoring management.
Description
Technical field
The present invention relates to the subgrade compaction AUTOMATIC ZONING algorithm fields based on paver track, and in particular to based on paving
The subgrade compaction AUTOMATIC ZONING and thickness automatic testing method of machine track.
Background technique
In the Large Infrastructure Projects engineering construction such as airport, railway, highway, it is necessary to be layered filler, compaction in layers, to reach
Enough compactness.Compacted thickness, which has consolidation effect, to be significantly affected.When subgrade construction, to engineerings such as road roller and pavers
The construction data of mechanical equipment carries out AUTOMATIC ZONING and thickness calculates automatically, is the key technology in digitlization construction, layering and
Thickness data are the important foundation data of construction in later period quality-monitoring.
Existing number construction product currently on the market, the side detected automatically for subgrade compaction AUTOMATIC ZONING and thickness
Method, there is also configure the disadvantages of complicated, inconvenient for use, result accuracy is too low and manual intervention is more.And number construction at present
Layering and thickness detection method in product are simultaneously not perfect, there is no from the substantial operation intensity for mitigating user, promote operation
Efficiency improves automation and intelligence degree.
Summary of the invention
In order to solve above-mentioned insufficient defect, the present invention provides based on paver track subgrade compaction AUTOMATIC ZONING and
Thickness automatic testing method overcomes the shortcomings of that above-mentioned prior art, this method are detected automatically with compaction data AUTOMATIC ZONING, thickness
For the purpose of, by less configuration, realize the automatic detection of compaction data AUTOMATIC ZONING and thickness of constructing, AUTOMATIC ZONING and thickness
Automatically the result detected has very high accuracy, solves that digital construction field has layering at present and thickness detection method is deposited
Deficiency.This method is positioned based on big-dipper satellite, and computational accuracy fully meets the market demand, improves the automation journey of operation
Sequence provides important Data safeguard for compacting construction quality monitoring management.
The present invention provides subgrade compaction AUTOMATIC ZONINGs and thickness automatic testing method based on paver track, including with
Lower step:
Step (1): vehicle modeling；
Step (2): invalid data filtering；
Step (3) earth's surface elevation resolves and intermittent data linear interpolation；
Step (4): paver track resolves and is layered according to paver track；
Step (5): being modified data and carries out thickness calculating according to modified result.
Above-mentioned method, wherein the step (1) includes: position, the headstock court that satellite positioning antennas is installed according to vehicle body
To, body width, antenna height information, establish Construction traffic physical model.
Above-mentioned method, wherein the step (2) includes: the real time data acquired in work progress, can generate invalid number
According to, by algorithm, such invalid data is filtered, isolates high-precision satellite location data, reject invalid data to from
The interference of dynamic layering.
Above-mentioned method, wherein the step (3) includes:
Step (3.1): earth's surface elevation resolves: according to vehicle body physical model information, combined high precision satellite location data, solution
Calculate earth's surface altitude data；
Step (3.2): intermittent data linear interpolation: track is covered in certain threshold range, is covered to by track
Lid but the earth's surface cell without real time data, using cell center with the both ends of track at a distance from as weight, carry out linear interpolation, create
Virtual data is built, enhances data continuity, a certain range of data exception is corrected, to improve individual-layer data accuracy；It is super
Threshold range out, it is believed that track is discontinuous, without interpolation processing.
Above-mentioned method, wherein the step (4) includes:
Step (4.1): paver track resolves: according to auto model, headstock direction is calculated, by effective paver data
Node-by-node algorithm polygon quickly generates track of vehicle, and carries out splicing detection with preceding subslot, when detection can splice, carries out
Track splicing, when not sliceable, the track new as one section；
Step (4.2): it is layered according to paver track: on the basis of paver track, compaction data being divided
Layer, works in the coverage area of paver track and the working time is in the data in paver working range, attribution data in
Layer where paver；Consider position error, position stability, paver track uncertainty, to according to paver layering
As a result multi-level algorithm amendment is carried out.
Above-mentioned method, wherein the step (5) includes:
Step (5.1): construction continuity amendment: to avoid influence of the construction continuation data of mistake to layering generation, only
Using configuration information as continuity reference frame, this efficacy data validity period is several hours, and dynamic adjusts；
Step (5.2): layer constraint amendment: the layer calculated according to paver is believed without departing from preconfigured layer range
Breath；
Step (5.3): ratio amendment: after step (5.1), step (5.2) processing, currently processed compaction data still may be used
Different layers can be belonged to；First judge the accounting of maximum layer in this group of data, if reach certain proportion；It is measured according to experiment,
Configure a reasonable proportion threshold value；If the layer of all data, can be belonged to the maximum layer of accounting by not up to this threshold value；
Step (5.4): the amendment of secondary ratio: be often more than several minutes to the hierarchical information in this time carry out it is secondary by than
Example correction is stored in database after unified ownership layering；
Step (5.5): Database Storing Strategy: if the last period of above-mentioned secondary correction period and respective layer in database
Interval is less than 5min and then merges with segmentation before between time, reduces the scattered period；
Step (5.6): thickness calculates: after the completion of data hierarchy processing, all data belong to determining layer, according to height
The earth's surface altitude data that accuracy satel-lite location data obtains, the directly thickness between the corresponding each layer of calculating earth's surface cell, layer
Thick computational accuracy has fully met the requirement of compacting construction quality monitoring management.
The present invention provides based on paver track subgrade compaction AUTOMATIC ZONING and thickness automatic testing method have with
It is lower the utility model has the advantages that 1, this method detect automatically by compaction data AUTOMATIC ZONING, thickness for the purpose of, pass through less configuration, realization
Compaction data AUTOMATIC ZONING and construct thickness automatic detection, the result that AUTOMATIC ZONING and thickness detect automatically have it is very high just
True rate solves digital construction field at present and has deficiency existing for layering and thickness detection method.This method is defended based on Beidou
Star positioning, computational accuracy fully meet the market demand, improve the automated procedures of operation, to be compacted construction quality monitoring management
Provide important Data safeguard.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer
Shape and advantage will become more apparent upon.Identical label indicates identical part in all the attached drawings.Not deliberately proportionally
Draw attached drawing, it is preferred that emphasis is show the gist of the present invention.
Fig. 1 is the subgrade compaction AUTOMATIC ZONING and thickness automatic testing method provided by the invention based on paver track
Flow diagram.
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to
Illustrate technical solution of the present invention.Presently preferred embodiments of the present invention is described in detail as follows, however other than these detailed descriptions, this
Invention can also have other embodiments.
Shown in referring to Fig.1, the subgrade compaction AUTOMATIC ZONING and thickness provided by the invention based on paver track is examined automatically
Survey method, comprising the following steps:
Step (1): vehicle modeling, it is specially wide according to the position of vehicle body installation satellite positioning antennas, headstock direction, vehicle body
Degree, antenna height information, establish Construction traffic physical model；
Step (2): invalid data filtering, the real time data specially acquired in work progress can generate invalid data, lead to
Algorithm is crossed, such invalid data is filtered, isolates high-precision satellite location data, rejects invalid data to AUTOMATIC ZONING
Interference；
Step (3) earth's surface elevation resolves and intermittent data linear interpolation, specifically includes step (3.1): earth's surface elevation solution
Calculate: according to vehicle body physical model information, combined high precision satellite location data resolves earth's surface altitude data；
Step (3.2): intermittent data linear interpolation: track is covered in certain threshold range, is covered to by track
Lid but the earth's surface cell without real time data, using cell center with the both ends of track at a distance from as weight, carry out linear interpolation, create
Virtual data is built, enhances data continuity, a certain range of data exception is corrected, to improve individual-layer data accuracy；It is super
Threshold range out, it is believed that track is discontinuous, without interpolation processing；
Step (4): paver track resolves and is layered according to paver track, specifically includes step (4.1): paving
Machine track resolves: according to auto model, calculating headstock direction, is quickly generated by effective paver data node-by-node algorithm polygon
Track of vehicle, and splicing detection is carried out with preceding subslot, when detection can splice, track splicing is carried out, when not sliceable,
The track new as one section；Step (4.2): it is layered according to paver track: on the basis of paver track, to compacting number
According to being layered, works in the coverage area of paver track and the working time is in the data in paver working range, number
According to layer where belonging to paver；Consider position error, position stability, paver track uncertainty, to according to paving
The layering result of machine carries out multi-level algorithm amendment；
Step (5): being modified data and carries out thickness calculating according to modified result, specifically includes step (5.1):
Continuity of constructing amendment: to avoid influence of the construction continuation data of mistake to layering generation, only using configuration information as continuity
Property reference frame, this efficacy data validity period be several hours, and dynamic adjust；
Step (5.2): layer constraint amendment: the layer calculated according to paver is believed without departing from preconfigured layer range
Breath；
Step (5.3): ratio amendment: after step (5.1), step (5.2) processing, currently processed compaction data still may be used
Different layers can be belonged to；First judge the accounting of maximum layer in this group of data, if reach certain proportion；It is measured according to experiment,
Configure a reasonable proportion threshold value；If the layer of all data, can be belonged to the maximum layer of accounting by not up to this threshold value；
Step (5.4): the amendment of secondary ratio: be often more than several minutes to the hierarchical information in this time carry out it is secondary by than
Example correction is stored in database after unified ownership layering；
Step (5.5): Database Storing Strategy: if the last period of above-mentioned secondary correction period and respective layer in database
Interval is less than 5min and then merges with segmentation before between time, reduces the scattered period；
Step (5.6): thickness calculates: after the completion of data hierarchy processing, all data belong to determining layer, according to height
The earth's surface altitude data that accuracy satel-lite location data obtains, the directly thickness between the corresponding each layer of calculating earth's surface cell, layer
Thick computational accuracy has fully met the requirement of compacting construction quality monitoring management.
Method AUTOMATIC ZONING data accuracy of the invention has fully met the requirement of compacting construction quality monitoring management, with
And thickness detection accuracy has fully met the requirement of compacting construction quality monitoring management, and considerably reduces hierarchical operations pair
The dependence of manual intervention realizes the automatic processing of hierarchical operations with less configuration, to be compacted construction quality monitoring management
Provide solid data basis.
In the present invention: auto model data are basic datas, when installing equipment on Construction traffic, need to test related ginseng
Number, establishes vehicle physical model.The information such as position, body width, the antenna height of satellite positioning antennas are installed according to vehicle body, are built
Vertical Construction traffic physical model, physical model calculation accuracy reach within 2cm.Auto model data for resolve headstock towards,
Earth's surface elevation, trajectory calculation etc..
The real time data acquired in work progress, due to the influence of various external environments, as wireless signal is lost, sensor
Exception, satellite positioning precision misalignment etc., can generate invalid data.For satellite location data, only the data ginseng of stationary state
Analytical calculation is not involved in the data of analytical calculation, other states；The data too small for moving distance, it is believed that vehicle stops,
Data do not make calculation processing；For sensing data, data threshold filtering is carried out.Such invalid data is filtered, is separated
High-precision satellite location data out rejects interference of the invalid data to AUTOMATIC ZONING.
According to vehicle body physical model information, combined high precision satellite positioning altitude data resolves earth's surface altitude data.
Construction data continuous for two, if satellite positioning distance generates track in threshold range, in track
Earth's surface cell in coverage area, using cell center at a distance from the both ends of track as weight, carry out linear interpolation, creation is empty
Quasi- data, enhance data continuity, correct a certain range of data exception, to improve individual-layer data accuracy, improve single
First lattice grid DEM accuracy.
The paver data in real time data are extracted, time-sequencing is carried out, presses vehicle packet transaction, extract every paver
Ordered data.To the data calculating speed after extraction, rejected if speed is greater than threshold value.According to auto model, vehicle is calculated
Head direction generates track of vehicle by valid data node-by-node algorithm polygon, and carries out splicing detection with preceding subslot, when detection can
When splicing, track splicing, when not sliceable, the track new as one section are carried out.
On the basis of paver track, compaction data is layered, is worked in the coverage area of paver track and work
Make the data that the time is in paver working range, attribution data layer where paver.Consider position error, positioning stablity
Property, paver track uncertainty, to according to paver layering result carry out multi-level algorithm amendment.
For avoid mistake construction continuation data to layering generate influence, only using configuration information as continuity refer to according to
According to this efficacy data validity period is several hours, and dynamic adjusts.Since field data may postpone, road roller data can
It can be sent to server prior to paver data, therefore, according to construction continuity principle, allow maximum delay several hours, but not
Across day, interior data, still belong to layer where paver in this time frame.
According to artificial preconfigured stratified construction information, constraint amendment is carried out to the layering result of calculating.I.e. according to booth
The layer that paving machine track calculates is without departing from the layer range information configured.
After above-mentioned processing, currently processed compaction data may still belong to different layers.First judge in this group of data most
The accounting of big layer, if reach certain proportion.It is measured according to experiment, configures a reasonable proportion threshold value.If being not up to this
The layer of all data can be belonged to the maximum layer of accounting by threshold value.
Individual-layer data is cached in memory, is often more than several minutes secondary ratio to be carried out to the hierarchical information in the time
Correction, correcting mode are same as above.After unified ownership layering, result data is stored in database.
If in above-mentioned secondary correction period and database respective layer for the previous period between interval be less than several minutes
Then merge with segmentation before, reduces the scattered period.
After the completion of data hierarchy processing, all data belong to determining layer, are obtained according to high-precision satellite location data
The earth's surface altitude data arrived, the directly thickness between the corresponding each layer of calculating earth's surface cell, thickness computational accuracy can reach 2cm
Within.
The present invention passes through in the coverage area of track, cell virtual data linear interpolation algorithm, foundation vehicle physical model
Track of vehicle quickly generate and track stitching algorithm, the compaction data hierarchical algorithm on the basis of paver track, based on applying
Compaction data layering correction algorithm, the compaction data layering correction algorithm based on construction layer configuration information, compacting of work continuity
The ratio correction algorithm of individual-layer data and based on compacting individual-layer data compacting thickness detection algorithm, may be implemented with compaction data
For the purpose of AUTOMATIC ZONING, thickness detect automatically, by less configuration, realize compaction data AUTOMATIC ZONING and thickness of constructing from
Dynamic detection, the result that AUTOMATIC ZONING and thickness detect automatically have very high accuracy, have solved current digital construction field
There is deficiency existing for layering and thickness detection method.This method is positioned based on big-dipper satellite, and computational accuracy fully meets market and needs
It asks, improves the automated procedures of operation, important Data safeguard is provided for compacting construction quality monitoring management, wherein automatically
Individual-layer data accuracy has fully met the requirement of compacting construction quality monitoring management and thickness detection accuracy is fully met
It is compacted the requirement of construction quality monitoring management, and considerably reduces dependence of the hierarchical operations to manual intervention, with less
Configuration realizes the automatic processing of hierarchical operations, provides solid data basis for compacting construction quality monitoring management.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, devices and structures not described in detail herein should be understood as gives reality with the common mode in this field
It applies；Anyone skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Embodiment is imitated, this is not affected the essence of the present invention.Therefore, anything that does not depart from the technical scheme of the invention, foundation
Technical spirit of the invention any simple modifications, equivalents, and modifications made to the above embodiment, still fall within the present invention
In the range of technical solution protection.
Claims (6)
1. subgrade compaction AUTOMATIC ZONING and thickness automatic testing method based on paver track, which is characterized in that including following
Step:
Step (1): vehicle modeling；
Step (2): invalid data filtering；
Step (3) earth's surface elevation resolves and intermittent data linear interpolation；
Step (4): paver track resolves and is layered according to paver track；
Step (5): being modified data and carries out thickness calculating according to modified result.
2. subgrade compaction AUTOMATIC ZONING and thickness automatic testing method based on paver track as described in claim 1,
It is characterized in that, the step (1) includes: position, the headstock direction, body width, day that satellite positioning antennas is installed according to vehicle body
Line elevation information establishes Construction traffic physical model.
3. subgrade compaction AUTOMATIC ZONING and thickness automatic testing method based on paver track as claimed in claim 2,
It is characterized in that, the step (2) includes: the real time data acquired in work progress, can generate invalid data, right by algorithm
Such invalid data is filtered, and isolates high-precision satellite location data, rejects interference of the invalid data to AUTOMATIC ZONING.
4. subgrade compaction AUTOMATIC ZONING and thickness automatic testing method based on paver track as claimed in claim 3,
It is characterized in that, the step (3) includes:
Step (3.1): earth's surface elevation resolves: according to vehicle body physical model information, combined high precision satellite location data resolves ground
Table altitude data；
Step (3.2): intermittent data linear interpolation: being covered in certain threshold range track, to by track covering but
Earth's surface cell without real time data, using cell center at a distance from the both ends of track as weight, carry out linear interpolation, creation is empty
Quasi- data, enhance data continuity, a certain range of data exception are corrected, to improve individual-layer data accuracy；Beyond threshold
It is worth range, it is believed that track is discontinuous, without interpolation processing.
5. subgrade compaction AUTOMATIC ZONING and thickness automatic testing method based on paver track as claimed in claim 4,
It is characterized in that, the step (4) includes:
Step (4.1): paver track resolves: according to auto model, headstock direction is calculated, it is point-by-point by effective paver data
It calculates polygon and quickly generates track of vehicle, and carry out splicing detection with preceding subslot, when detection can splice, carry out track
Splicing, when not sliceable, the track new as one section；
Step (4.2): it is layered: on the basis of paver track, compaction data being layered, work according to paver track
Make in the coverage area of paver track and the working time is in the data in paver working range, attribution data is in paver
Place layer；Consider position error, position stability, paver track uncertainty, to according to paver layering result into
The amendment of row multi-level algorithm.
6. subgrade compaction AUTOMATIC ZONING and thickness automatic testing method based on paver track as claimed in claim 5,
It is characterized in that, the step (5) includes:
Step (5.1): construction continuity amendment: to avoid influence of the construction continuation data of mistake to layering generation, only to match
Confidence breath is used as continuity reference frame, this efficacy data validity period is several hours, and dynamic adjusts；
Step (5.2): layer constraint amendment: the layer i.e. according to paver calculating is without departing from preconfigured layer range information；
Step (5.3): ratio amendment: after step (5.1), step (5.2) processing, currently processed compaction data may still return
Belong to different layers；First judge the accounting of maximum layer in this group of data, if reach certain proportion；It is measured according to experiment, configuration
One reasonable proportion threshold value；If the layer of all data, can be belonged to the maximum layer of accounting by not up to this threshold value；
Step (5.4): secondary ratio amendment: being often more than several minutes to carry out secondary school in proportion to the hierarchical information in this time
Just, database is stored in after unified ownership layering；
Step (5.5): Database Storing Strategy: if respective layer is for the previous period in above-mentioned secondary correction period and database
Between interval be less than 5min then with before segmentation merge, reduce the scattered period；
Step (5.6): thickness calculates: after the completion of data hierarchy processing, all data belong to determining layer, according to high-precision
The earth's surface altitude data that satellite location data obtains, the directly thickness between the corresponding each layer of calculating earth's surface cell, thickness meter
Calculate the requirement that precision has fully met compacting construction quality monitoring management.
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| CN201810828203.8A CN109002620B (en) | 2018-07-25 | 2018-07-25 | Roadbed compaction automatic layering and layer thickness automatic detection method based on paver track |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109408983A (en) * | 2018-11-01 | 2019-03-01 | 南京天辰礼达电子科技有限公司 | A kind of subgrade compaction AUTOMATIC ZONING algorithm based on elevation |
| CN111811520A (en) * | 2019-04-12 | 2020-10-23 | 北京合众鼎新信息技术有限公司 | Construction information storage method and device |
| CN113932696A (en) * | 2021-08-30 | 2022-01-14 | 河北雄安京德高速公路有限公司 | GNSS-based highway compaction monitoring method and device |
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| CN107292099A (en) * | 2017-06-15 | 2017-10-24 | 国家电网公司 | A kind of dynamic based on grid rolls thickness analysis method |
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| CN107292099A (en) * | 2017-06-15 | 2017-10-24 | 国家电网公司 | A kind of dynamic based on grid rolls thickness analysis method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109408983A (en) * | 2018-11-01 | 2019-03-01 | 南京天辰礼达电子科技有限公司 | A kind of subgrade compaction AUTOMATIC ZONING algorithm based on elevation |
| CN109408983B (en) * | 2018-11-01 | 2022-05-17 | 南京天辰礼达电子科技有限公司 | Elevation-based roadbed compaction automatic layering method |
| CN111811520A (en) * | 2019-04-12 | 2020-10-23 | 北京合众鼎新信息技术有限公司 | Construction information storage method and device |
| CN113932696A (en) * | 2021-08-30 | 2022-01-14 | 河北雄安京德高速公路有限公司 | GNSS-based highway compaction monitoring method and device |
| CN113932696B (en) * | 2021-08-30 | 2024-04-16 | 河北雄安京德高速公路有限公司 | Expressway compaction monitoring method and device based on GNSS |
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| Publication number | Publication date |
|---|---|
| CN109002620B (en) | 2023-05-23 |
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