CN102749088B - Correcting method of detecting pile numbers - Google Patents

Correcting method of detecting pile numbers Download PDF

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CN102749088B
CN102749088B CN201210236997.1A CN201210236997A CN102749088B CN 102749088 B CN102749088 B CN 102749088B CN 201210236997 A CN201210236997 A CN 201210236997A CN 102749088 B CN102749088 B CN 102749088B
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pile
data item
data
sequence
detection
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CN102749088A (en
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赵怀志
白振华
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ZHONGGONG HI-TECH CONSERVATION TECHNOLOGY CO LTD
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ZHONGGONG HI-TECH CONSERVATION TECHNOLOGY CO LTD
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Abstract

The invention discloses a correcting method of detecting pile numbers, which comprises the steps of: reading a data item in a pile number sequence, wherein the data item comprises detecting pile numbers and geographical position data corresponding to the detecting pile numbers; looking up a data item closest to the geographical position of the currently read data item in a benchmark pile number sequence according to the geographical position data; determining the absolute value of the difference value of the currently read data item and the detecting pile number of the data item looked up in the benchmark pile number sequence; and if the absolute value of the difference value is larger than a first threshold value, correcting the detecting pile number of the currently read data item through the detecting pile number of the looked up data item. The correcting method disclosed by the invention can realize that the corresponding geographic positions of two detecting pile numbers which are identical or small in difference are identical or have a small interval. The corresponding road condition data of the data items of each detecting pile number sequence are comprehensively analyzed and utilized to obtain an accurate analysis result so as to provide a more sufficient condition for regulating corresponding curing solution.

Description

A kind of calibration steps detecting pile No.
Technical field
The present invention relates to highway curing data automatic business processing field, refer to a kind of calibration steps detecting pile No. especially.
Background technology
Highway is detected, in maintenance processes, needs the accurate location determined on road surface, while determining position, determine the road surface data that this position detects, as the altitude figures etc. of breakage rate, vertical section.
Because the detection on road surface can relate to several data, these data are not with completing in a drive test, need to be carried out respectively by repeatedly drive test.In drive test process, all can mark using pile No. as position, road surface, while drive test, be recorded in the data that this pile No. position detects.
Current road adopts the kilometer stone being based upon roadside to mark certain position on road surface, realize location.Pile No. arrives the horizontal range of this point along the line.As somewhere distance starting point 1200m, then its pile No. is K1+200.
The kilometer stone of some highway is set up less, needs to adopt to detect pile No., and detection pile No. refers to the traveling-position according to pavement detection car, by the pile No. sequence data obtained behind GPS location.In pile No. sequence data, be made up of multiple data item, serial number between data item, the data item of each sequence number at least comprises 2 data, and one is detect pile No., and another is the gps data of this pile No. position.
The every road condition data detected, by repeatedly drive test acquisition.Because some section does not exist kilometer stone, or nearest kilometer stone can not be used for location, and cause the start position of each drive test can there is inconsistent situation, this inconsistent situation is embodied in two identical or close detection pile No., but gps data differs greatly.
Such as, the data item of this drive test and two same sequence number of a drive test before, its detect pile No. may deviation very large, and gps data may be identical or difference is little.
This position just causing geographic position to be more or less the same, detection pile No. different, and the various drive test datas that each time is detected can combine use.When combining use, the road condition data corresponding with reference to same detection pile No. is analyzed, but it is different owing to detecting gps position corresponding to pile No., there is comparatively big error in the identical position represented by detection pile No., these road condition datas comprehensively can not be used, cause carrying out follow-up detection data analysis.
Summary of the invention
In view of this, the invention reside in and a kind of calibration steps detecting pile No. is provided, there is comparatively big error with the position solved represented by above-mentioned identical detection pile No., make the problem that these road condition datas can not comprehensively use.
For solving the problem, the invention provides a kind of calibration steps detecting pile No., comprising:
Read a data item in pile No. sequence; Wherein, data item comprises: detect the geographic position data that pile No. is corresponding with this detection pile No.;
According to described geographic position data, in benchmark pile No. sequence, search data item immediate with the geographic position of the data item of current reading;
Determine the absolute value finding the difference of the detection pile No. of data item in the data item of current reading and described benchmark pile No. sequence;
If the absolute value of described difference is greater than first threshold, then the detection pile No. of the data item of the described current reading of detection pile No. corrigendum of the data item of searching described in using.
Described geographic position data comprises: longitude and latitude data,
Described searching comprises with the process of the immediate data item in the geographic position of the data item of current reading:
In the pile No. sequence of described current reading, with the detection pile No. of the data item of current reading for mid point, determine that the pile No. of its antero-posterior extent is interval according to predetermined value;
In described benchmark pile No. sequence, to find in the described pile No. interval determined and be maximum interval; The left end in the described interval found is open interval, and right-hand member is closed interval;
In described benchmark pile No. sequence, the data item at the detection pile No. place in the interval found described in traversal;
According to longitude and the latitude data of the data item of the longitude of the data item of described current reading and latitude data, each described traversal, calculate multiple distance value;
In the data item of described traversal, using data item corresponding for the lowest distance value in described multiple distance value as the described data item found,
Described process of searching immediate data item also comprises:
Judge whether described lowest distance value is not more than Second Threshold; Wherein, described Second Threshold is 1.5 times of distance value between two adjacent detection pile No.,
If be not more than, then perform subsequent step;
If be greater than, then expand the interval range of described traversal, again calculate multiple distance value; In the data item of described traversal, find the data item that lowest distance value is corresponding.
By above-mentioned steps of the present invention, can realize two identical or less detection pile No. of difference, corresponding geographic position is identical or distance interval is very near, for highway maintenance, can think same position.Multiple detection pile No. sequence through check and correction, the road condition data that the data item of each sequence is corresponding can comprehensively use together, for carrying out follow-up detection data analysis, thus obtaining analysis result accurately, formulating corresponding maintenance plan.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of embodiment;
Fig. 2 is the schematic diagram of each distance relation calculated in embodiment;
Fig. 3 is the schematic diagram of each distance relation that in embodiment, another time calculates;
Fig. 4 is the process flow diagram of another embodiment.
Embodiment
For clearly demonstrating the scheme in the present invention, providing preferred embodiment below and being described with reference to the accompanying drawings.
Process flow diagram shown in Figure 1, comprising:
S11: read a data item in pile No. sequence; Wherein, data item comprises: detect the geographic position data that pile No. is corresponding with this detection pile No.;
S12: according to described geographic position data, searches data item immediate with the geographic position of the data item of current reading in benchmark pile No. sequence;
S13: determine the absolute value finding the difference of the detection pile No. of data item in the data item of current reading and described benchmark pile No. sequence;
S14: if the absolute value of described difference is greater than first threshold, then the detection pile No. of the data item of the described current reading of detection pile No. corrigendum of the data item of searching described in using.
By above-mentioned steps of the present invention, can realize two identical or less detection pile No. of difference, corresponding geographic position is identical or distance interval is very near, for highway maintenance, can think same position.Multiple detection pile No. sequence through check and correction, the road condition data that the data item of each sequence is corresponding can comprehensively use together, for carrying out follow-up detection data analysis, thus obtaining analysis result accurately, formulating corresponding maintenance plan.
Describe in detail, see table 1 below by concrete parameter:
Table 1
Sequence number Pile No. Latitude Longitude Sequence number Pile No. Latitude Longitude
? … … … 17 55420 39.981108 116.286957
1 55260 39.980007 116.285691 18 55430 39.981174 116.287044
2 55270 39.980086 116.285772 19 55440 39.981234 116.287124
3 55280 39.980164 116.285853 20 55450 39.981282 116.28719
4 55290 39.980221 116.285912 21 55460 39.981345 116.287278
5 55300 39.98024 116.285933 22 55470 39.981407 116.287367
6 55310 39.980353 116.286058 23 55480 39.981469 116.287458
7 55320 39.980431 116.286143 24 55490 39.981531 116.287551
8 55330 39.980509 116.286231 25 55500 39.981592 116.287646
9 55340 39.980548 116.286275 26 55510 39.981653 116.287744
10 55350 39.980626 116.286364 27 55520 39.981712 116.287842
11 55360 39.980703 116.286452 28 55530 39.981736 116.287882
12 55370 39.980781 116.286544 29 55540 39.9818 116.287989
13 55380 39.98082 116.286591 30 55550 39.981858 116.288088
14 55390 39.980894 116.286683 31 55560 39.981917 116.288189
15 55400 39.980969 116.286777 32 55570 39.981977 116.288294
16 55410 39.98104 116.286868 ? … … …
Pile No. sequence in table 1 is the data of 1 drive test, and these data are as benchmark pile No. sequence.In Table 1, each data item comprises two item number certificates, and one is detect pile No., and one is geographic position data; Wherein, geographic position data comprises longitude and latitude data.Certainly, also can comprise drive test and obtain road condition data.
Other repeatedly drive test also can obtain corresponding pile No. sequence, each pile No. sequence is made up of multiple data item, and each data item comprises two item number certificates, one be detect pile No., one is geographic position data; Wherein, geographic position data comprises longitude and latitude data.Certainly, also can comprise drive test and obtain road condition data.Such as, see table 2, the data sequence in table 2 is the wherein data sequence that obtains of drive test.
Table 2
Sequence number Pile No. Latitude Longitude Pile No. Pile No. Latitude Longitude
? … … … 17 55438 39.981121 116.286972
1 55278 39.980029 116.285719 18 55448 39.981182 116.287055
2 55288 39.98011 116.285807 19 55458 39.981262 116.287165
3 55298 39.980151 116.285853 20 55468 39.981304 116.287222
4 55308 39.980231 116.285945 21 55478 39.981364 116.287306
5 55318 39.980295 116.286015 22 55488 39.981437 116.287411
6 55328 39.980318 116.286038 23 55498 39.981516 116.287527
7 55338 39.980464 116.286185 24 55508 39.981541 116.287565
8 55348 39.980512 116.286235 25 55518 39.981606 116.287665
9 55358 39.980601 116.286332 26 55528 39.981669 116.287765
10 55368 39.980666 116.286405 27 55538 39.981745 116.287888
11 55378 39.980687 116.28643 28 55548 39.981782 116.28795
12 55388 39.980815 116.286581 29 55558 39.981832 116.288034
13 55398 39.980856 116.28663 30 55568 39.981893 116.288139
14 55408 39.980938 116.286733 31 55578 39.981942 116.288224
15 55418 39.980999 116.286811 32 55588 39.982002 116.288332
16 55428 39.98106 116.28689 ? … … …
Pile No. sequence in table 2 is pile No. sequence to be corrected.Embodiments of the invention, by the pile No. sequence in the pile No. sequence calibration table 2 in table 1.
First from table 2, read 1 data item, such as, the sequence number of the current data item read is 6, and detecting pile No. is 55328, and its latitude is 39.980318, and longitude is 116.286038; Data item immediate with the geographic position of the data item of current reading is searched in benchmark pile No. sequence.
The process of searching is as follows:
First, a pile No. scope retrieved is determined;
In an embodiment, the detection pile No. of the data item of current reading is 55328, and the distance between adjacent detection pile No. is 10m, and sensing range is defined as 100m, namely detects pile No. as predetermined value using 10.Using 55328 as mid point, then 10 detect the scope of pile No. comprise (55278 ~ 55378].
Then, in benchmark pile No. sequence, find and detect in sequence that pile No. drops on the range of search that this is determined and be a maximum interval; The table of comparisons 2, sequence pile No. scope is [55280,55370].If represented with the form of left end open interval, right-hand member closed interval, be then (55270,55370].Whole closed interval, half-open intervals or standard-sized sheet interval represent do not affect realization of the present invention, but adopt half-open intervals process time, the repeating data of the detection pile No. produced in data handling procedure can be avoided.
In benchmark pile No. sequence, travel through longitude and the latitude data of the multiple data item in each data item detecting pile No. and antero-posterior extent thereof according to the scope determined;
In an embodiment, distance between two adjacent detection pile No. is 10 meters, with the detection pile No. 55328 of sequence number 6 for mid point, and the data item of the detection pile No. of each 50 meters of traversal front and back, correspond to the detection pile No. in table 1, the longitude of the data item in the sequence number 3 ~ 12 namely in traversal list 1 and latitude data.
According to longitude and the latitude data of the longitude of the data item of described current reading and latitude data, each described traversal, calculate multiple distance value;
Calculating process realizes by following formula:
D i = ( Info ix - Cur x ) 2 + ( Info iy - Cur y ) 2 , Wherein i ∈ (from, to]
Wherein, Info is the gps data in consensus sequence, and i is sequence number, info ixfor the latitude data of benchmark pile No., Cur xfor the latitude data of the data item of current pile No., info iyfor the longitude data of benchmark pile No., Cur yfor the longitude data of the data item of current pile No..In an embodiment, (from, to] scope be (55270,55370].
By the longitude and latitude data of each data item of sequence number in table 13 ~ 12, carry out computing with the longitude and latitude data of the detection pile No. 55328 of current reading in table 2 respectively, obtain multiple distance D i.
In the data item of described traversal, using data item corresponding for the lowest distance value in described multiple distance as the described data item found.See table 3,
Table 3
Sequence number Pile No. Latitude Longitude Distance
3 55280 39.980164 116.285853 2.41E-04
4 55290 39.980221 116.285912 1.59E-04
5 55300 39.98024 116.285933 1.31E-04
6 55310 39.980353 116.286058 4.03E-05
7 55320 39.980431 116.286143 1.54E-04
8 55330 39.980509 116.286231 2.72E-04
9 55340 39.980548 116.286275 3.30E-04
10 55350 39.980626 116.286364 4.48E-04
11 55360 39.980703 116.286452 5.65E-04
12 55370 39.980781 116.286544 6.86E-04
It is each distance between the detection pile No. of sequence number 3 ~ 12 in benchmark pile No. sequence and the detection pile No. 55328 of current sequence in table 3.See Fig. 3, in these distances, minimum distance D mindetecting the distance detected between pile No. 55310 in pile No. 55328 and consensus sequence minimum, is 4.03E-05.
Further judgement, whether two absolute differences detected between pile No. are greater than first threshold, if be greater than, then the detection pile No. of the data item of the described current reading of detection pile No. corrigendum of the data item of searching described in using.If be not more than, then thought and do not need to correct between two detection pile No..
In an embodiment, the absolute value of difference is
D chainage＝|Info min-chainage-Cur chainage|＝|55310-55328|＝18；
This absolute value is greater than the first threshold Dist of initial setting min=15, then need to carry out school stake, existing pile No. is increased this difference, D diff=Info min-chainage-Cur chainage=55310-55328=-18.
55328+ (-18)=55310; Certainly, also directly 55328 can be replaced with 55310.Thus realize the correction detecting pile No..Two after correction are detected pile No. and are 55310, and two are detected geographic position data corresponding to pile No. directly apart from relatively little, can think same position.
Preferably, also comprise:
Also Second Threshold GPS can be set max, by this Second Threshold GPS maxas distance threshold.When calculating minor increment D minafter, judge minor increment D minwhether be not more than Second Threshold GPS max.In an embodiment, GPS is set max=2 × 10 -4.
If be not more than, i.e. D min≤ GPS max, perform follow-up step; If be greater than, i.e. D min> GPS max, then expand the adjacent ranges of described traversal, again calculate multiple distance value; In the data item of described traversal, find the data item that lowest distance value is corresponding.
Adjacent ranges after described expansion is 2 times of last traversal scope.Such as, previous range of search is the data item of 10 detection pile No. of sequence number 3 ~ 12.After expansion, in benchmark pile No. sequence, sensing range comprises: the adjacent data item of current read data item and front and back thereof, and totally 20 are detected the data item of pile No..
Preferably, after finding lowest distance value, now D min≤ GPS max, also comprise:
After each detection pile No. corrects, the range of search that adjustment is next, determines D minsequence number subscript j in sequence Info, expands identical length L forwards, backwards to be designated as mid point under this.Location next time hunting zone (from, to], wherein, from=j-L, to=j+L;
If from < 0, then make from=0; If to > length (Info)-1, then make to=length (Info)-1.
Such as: this detect scope be Info scope (from, to] be (55270,55370], minimum D minthe detection pile No. j of the data item in corresponding benchmark pile No. sequence is being 5 and detecting pile No., i.e. 50m of 55310, L, then next time benchmark pile No. sensing range (from, to] be (55260,55360].
In above-described embodiment, Second Threshold is preferably set to 1.5 times that detect pile No. interval, and such as, detect pile No. in units of rice, two intervals detected between pile No. are 10 meters, and namely determine that is detected a pile No. for every 10 meters, its value of 1.5 times is 15, as Second Threshold.
After having corrected detection pile No. 55328, the next one in order table of corrections 2 has detected pile No., i.e. the detection pile No. of sequence number 7.In table 2, the detection pile No. of display is the pile No. before 55328 school stakes, and after the stake of school, all can add up according to new pile No. (55310) after 55328, as 55328 should be 55310,55338 should be 55320......55588 should be 55570.......
After this data item process completes, determine the range of search of next data item, the pile No. in this closest approach is 55310, then the hunting zone starting point of next data item is (55310-50)=55260 to 55310+50=55360, namely (55260,55360].
By detecting pile No. scope in geographic position data in pile No. 55338 (i.e. 55320 after school stake for the first time), consensus sequence be (55260,55360] in geographic position data, the multiple distance value of computing.These geographic position datas are longitude, latitude data in the data item of each sequence number.
Calculating process realizes by following formula:
D i = ( Info ix - Cur x ) 2 + ( Info iy - Cur y ) 2 , Wherein i ∈ (from, to];
That determines is multiple apart from as shown in table 4,
Table 4
Sequence number Pile No. Latitude Longitude Distance
2 55270 39.980086 116.285772 5.60E-04
3 55280 39.980164 116.285853 4.47E-04
4 55290 39.980221 116.285912 3.65E-04
5 55300 39.98024 116.285933 3.37E-04
6 55310 39.980353 116.286058 1.69E-04
7 55320 39.980431 116.286143 5.34E.05
8 55330 39.980509 116.286231 6.44E-05
9 55340 39.980548 116.286275 1.23E-04
10 55350 39.980626 116.286364 2.41E-04
11 55360 39.980703 116.286452 3.58E-04
See Fig. 4, minimum distance D min=5.34E-05, in consensus sequence, data item corresponding to minor increment is identical with the sequence number of the data item of current sequence number 7.
Judge minimum distance D min=5.34E-05 < GPS max(GPS max=2 × 10 -4),
Two absolute differences detected between pile No. equal:
D chainage＝|Info min-chainage-CUr chainage|＝|55320—55320|＝0
Because two absolute differences detected between pile No. are not more than first threshold, then school stake need not be carried out.
By above-mentioned steps, can according to the detection pile No. in other several drive test data sequences of benchmark pile No. sequence calibration, make to represent identical or close geographic position in gps data, corresponding detection pile No. is identical or close.This close scope adjusts by threshold value.Each drive test data after correction can comprehensively use together, to determine the characteristic of damage on road surface, formulates corresponding maintenance plan.
Preferably, see Fig. 4, can using the data item of the detection pile No. DMI that detects first and the gps data containing longitude and latitude as reference data, and pile No. will be detected as benchmaring pile No., in follow-up duplicate detection process, constantly detect and after some data item of typing, adopt the detection pile No. in the entry information of benchmark pile No. correction duplicate detection, and find the distance of two minimum detection pile No., with threshold value D maxrelatively, select whether to correct according to comparative result.If do not need to correct, then move to the adjacent next one and detect pile No..
Preferably, set up mark for each drive test data, this drive test data comprises one group of pile No. sequence; Mark can adopt route to encode, as 109 national highways, and the pile No., gps data and the range of search in benchmark pile No. that correct in record this drive test data last.When this typing drive test data, the data item of this drive test data is found by mark, when this continues entry information, can according to the correction result of last time, range of search in adjustment benchmark pile No., correct the detection pile No. in the data item of new typing, these information comprise detection pile No. and gps data.
Preferably, also comprise:
Described drive test data comprises multiple, also comprises the road condition data detected in the data item of each drive test data, as drive test index etc.;
Correct the pile No. sequence in each drive test data, the drive test data after correcting comprehensively is analyzed drive test index, selects corresponding maintenance plan.
Method of the present invention, simply can not be interpreted as the process of computer data sequence, the method is that inventor makes after the repeatedly research to highway data, data after the stake of school, effectively can be combined use, obtains analysis result, for formulating maintenance plan, thus reduction maintenance cost, improve maintenance efficiency.
For the method set forth in each embodiment of the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. detect a calibration steps for pile No., it is characterized in that, comprising:
Read a data item in pile No. sequence; Wherein, data item comprises: detect the geographic position data that pile No. is corresponding with this detection pile No.;
According to described geographic position data, in benchmark pile No. sequence, search data item immediate with the geographic position of the data item of current reading;
Determine the absolute value finding the difference of the detection pile No. of data item in the data item of current reading and described benchmark pile No. sequence;
If the absolute value of described difference is greater than first threshold, then the detection pile No. of the data item of the described current reading of detection pile No. corrigendum of the data item of searching described in using,
Described geographic position data comprises: longitude and latitude data,
Described searching comprises with the process of the immediate data item in the geographic position of the data item of current reading:
In the pile No. sequence of described current reading, with the detection pile No. of the data item of current reading for mid point, determine that the pile No. of its antero-posterior extent is interval according to predetermined value;
In described benchmark pile No. sequence, to find in the described pile No. interval determined and be maximum interval; The left end in the described interval found is open interval, and right-hand member is closed interval;
In described benchmark pile No. sequence, the data item at the detection pile No. place in the interval found described in traversal;
According to longitude and the latitude data of the data item of the longitude of the data item of described current reading and latitude data, each described traversal, calculate multiple distance value;
In the data item of described traversal, using data item corresponding for the lowest distance value in described multiple distance value as the described data item found,
Described process of searching immediate data item also comprises:
Judge whether described lowest distance value is not more than Second Threshold; Wherein, described Second Threshold is 1.5 times of distance value between two adjacent detection pile No.,
If be not more than, then perform subsequent step;
If be greater than, then expand the interval range of described traversal, again calculate multiple distance value; In the data item of described traversal, find the data item that lowest distance value is corresponding.
2. method according to claim 1, is characterized in that, the interval range after described expansion is 2 haplotype data amounts of the interval range of last traversal.
3. the method according to any one of claim 1 ~ 2, is characterized in that, described corrigendum process comprises:
The detection pile No. of the data item of searching described in using replaces the detection pile No. of the data item of described current reading.
4. method according to claim 3, is characterized in that, described corrigendum process also comprises:
According to the detection pile No. of described corrigendum, to the corresponding corrigendum of detection pile No. of the data item after the data item of described current reading.
5. method according to claim 4, is characterized in that, after described corrigendum, also comprises:
Order reads the next data item in pile No. sequence;
In described benchmark pile No. sequence, with detection pile No. corresponding to described lowest distance value for mid point, determine that the pile No. of its antero-posterior extent is interval according to described predetermined value, and according to the interval determined, in described benchmark pile No. sequence, determine the immediate data item in next data item geographic position read with described order, for correcting the detection pile No. of the next data item that described order reads.
6. method according to claim 1, is characterized in that, also comprises:
Set up the title of each drive test data, this drive test data comprises one group of pile No. sequence;
Preserve the information of the last correction pile No.; Described information comprises detection pile No., geographic position data and the range of search in described benchmaring pile No. sequence;
Again during road test data logging data item, according to the title of this drive test data, find the last correction pile No. information of preserving;
According to the correction pile No. information of described preservation, correct the detection pile No. in the data item of typing.
7. method according to claim 6, is characterized in that, also comprises:
Described drive test data comprises multiple; Correct the pile No. sequence in each drive test data, the comprehensive drive test index analyzed in whole drive test data, selects corresponding maintenance plan.
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