CN105346568B - Method for positioning main lines and branch lines through GPS longitude and latitude - Google Patents
Method for positioning main lines and branch lines through GPS longitude and latitude Download PDFInfo
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- CN105346568B CN105346568B CN201510880786.5A CN201510880786A CN105346568B CN 105346568 B CN105346568 B CN 105346568B CN 201510880786 A CN201510880786 A CN 201510880786A CN 105346568 B CN105346568 B CN 105346568B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 241001269238 Data Species 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a method for positioning train lines. The method comprises the following steps of firstly organizing a railway network of the whole country according to public-work lines, and dividing main lines and branch lines according to the lines of operation sections so as to obtain a high-density correspondence lattice between kilometer posts and GPS points of the lines; using a route indicator as a trigger point, beginning to select all possible routes (branch lines) passing the points from the points passing the route indicator, matching all the selected possible routes (branch lines) with current GPS longitude and latitude, and obtaining the lines with the shortest distances so as to position practical lines through an error shielding mechanism; and besides, once the branch lines or the main lines are positioned, no longer matching the branch lines and the main lines, and only dynamically matching 100-150 points before and after current GPS points on a mobile terminal. According to the method for positioning the train lines disclosed by the invention, the main lines and the branch lines in the complex railway network can be positioned quickly, accurately and effectively, navigation prompt can be performed timely and accurately to trainmen, and the method has broad application prospects.
Description
Technical field
The present invention relates to railroad train navigation field and in particular to a kind of by gps longitude and latitude position train line side
Method.
Background technology
Because railway line road network is intricate, tens of up to a hundred main lines, branch lines interlock, and the length of railroad lines in service is up to more than ten
Ten thousand kilometers.Mobile terminal device is limited by its computing capability simultaneously, wants to pass through current gps longitude and latitude meter within tens bold and unconstrained seconds
Calculate and orient current main line, branch line kilometer post really relatively difficult.
In the past few years, there are many railways workmen along the line or attendant every year on average, because not finding in time
Train Approaching and cause the accident.Railway locomotive management personnel need to know the particular location of running train to manage.Traditional
Location positioning technology is mainly based on gps positioning.In the transportation of the circuits such as highway, railway, often refer in these lines
Being accurately positioned of moving body on shape road, and needing pinpoint is not gps longitude and latitude, but mileage number and institute are online
Road.But accurately and easily do not determine method so far.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of method positioning train line by gps longitude and latitude, this
How accurately bright solving easily to position train line so that the technical problem of accurate early warning.
The present invention is achieved through the following technical solutions:
A kind of positioning train line method it is characterised in that: comprise the steps:
Step one, launch train, driver carries with mobile device, is obtained by the positioning software running on the mobile apparatus
Take current gps longitude and latitude, enter step 2；
Step 2, it is compared with all track datas in current gps longitude and latitude database, draw closest
Circuit, whether detection is less than 20 ~ 50 meters with the minimum range of this nearest circuit, if it is, navigating to this circuit recently；As
Really no, repeated execution of steps two, until drawing current line；
Step 3, circulation mate 100 ~ 150 points in front and back of current gps longitude and latitude, draw the near distance spot, thus
Go out current kilometer mark, detect whether current gps longitude and latitude is less than 20 ~ 50 meters with its minimum range simultaneously, if so, enter step
Five；
If it is not, detection current line is served as theme or branch line, if current line is served as theme, go to step 2；
If current line is branch line, enter step 4；
Step 4, according to section circuit tissue, choose splicing next section of main line data compare, detection with
Whether the up-to-date distance of one section of main line is less than 20 ~ 50 meters, if it is, switching current line is to next section of main line, Ran Houzhuan at once
To step 3；
If not, preservation current line is constant, then go to step 3；
Step 5, check front 250 ~ 350 meters in whether have route indicator, if it has, then using route indicator as
Trigger point, starts to choose all possible branch lines through this point from the point through route indicator and current gps longitude and latitude is carried out
Coupling, obtains closest circuit；
Then go to step 3 without route indicator；
Step 6, detect the minimum range of current gps longitude and latitude and closest branch line certain time whether always
Less than 20 meters, and current gps longitude and latitude and both greater than 50 meters of the minimum range of other branch lines, if so, enter step 7；If
No, go to step 3；
Step 7, judge current train place circuit as this branch line；Go to step 3.
Preferably, in above-mentioned steps two, whether detection is less than 20 meters with the minimum range of this nearest circuit.
Preferably, in above-mentioned steps three, 120 points in front and back of current gps longitude and latitude are mated in circulation, draw minimum distance
Point, thus drawing current kilometer mark, detects whether current gps longitude and latitude is less than 50 meters with its minimum range simultaneously.
Preferably, in above-mentioned steps four, whether up-to-date distance is less than 20 meters with next section of main line for detection.
Preferably, in above-mentioned steps five, check in 300 meters of front whether there is route indicator.
Preferably, according to the above-mentioned algorithm navigating to branch line, and switch back into the algorithm of main line, loop computation, persistently transport
OK.
Preferably, first National Railway Network is organized according to work business circuit, obtained each bar circuit as follows public
In mark and the corresponding dot matrix of high density between gps point:
Step a, a time train lkj monitoring record file of acquisition or motor-car eoas monitoring record file, do slotting as needed
Value encryption, 5 to 8 kilometer post measuring points per second, and remove repeated data；
Step b, obtain gps sampling dot file with time train, do interpolation encryption as needed, 5 to 8 per second
Gps longitude and latitude measuring point, and remove repeated data；
Step c, will be mated with the monitoring record file of time train and gps sampling dot file according to the time, be drawn height
Density lines gps longitude and latitude and the dot matrix of kilometer post；
Step d, to each bar circuit repeated execution of steps one to step 3, obtain gps longitude and latitude and the kilometer of each bar circuit
Punctuate battle array, and be saved in data base.
Preferably, in above-mentioned steps a, 6 kilometer post measuring points per second.
Preferably, in above-mentioned steps b, 6 gps longitude and latitude measuring points per second.
The method of the positioning train line of the present invention, the main line that can quick and precisely effectively position in the complicated railway network props up
Line, carries out navigation hint promptly and accurately, is with a wide range of applications to crew.
Brief description
Fig. 1 is the flow chart of a kind of method of positioning train line of the present invention.
Specific embodiment
First by National Railway Network according to work business circuit organized, obtain as follows each bar channel kilometer mark and
High density correspondence dot matrix between gps point:
Step a, a time train lkj monitoring record file of acquisition or motor-car eoas monitoring record file, do slotting as needed
Value encryption, 5 to 8 kilometer post measuring points per second are it is preferable that 6 kilometer post measuring points per second, and remove repeated data；
Step b, obtain gps sampling dot file with time train, do interpolation encryption as needed, 5 to 8 per second
Gps longitude and latitude measuring point is it is preferable that 6 gps longitude and latitude measuring points per second, and removes repeated data；
Step c, will be mated with the monitoring record file of time train and gps sampling dot file according to the time, be drawn height
Density lines gps longitude and latitude and the dot matrix of kilometer post；
Step d, to each bar circuit repeated execution of steps one to step 3, obtain gps longitude and latitude and the kilometer of each bar circuit
Punctuate battle array, and be saved in data base.
As shown in figure 1, a kind of method of positioning train line of the present invention, comprise the steps:
Step one, launch train, driver carries with mobile device, is obtained by the positioning software running on the mobile apparatus
Take current gps longitude and latitude, enter step 2；
Step 2, it is compared with all track datas in current gps longitude and latitude database, draw closest
Circuit, whether detection is less than 20 ~ 50 meters with the minimum range of this nearest circuit, is preferably 20 meters in the present embodiment, if it is,
Navigate to this circuit recently；If not, repeated execution of steps two, until drawing current line；
Step 3, circulation mate 100 ~ 150 points in front and back of current gps longitude and latitude, are preferably 120 in the present embodiment
Point, draws the near distance spot, thus drawing current kilometer mark, detects whether current gps longitude and latitude and its minimum range are little simultaneously
In 20 ~ 50 meters, in the present embodiment, it is preferably 50 meters, if so, enter step 5；
If it is not, detection current line is served as theme or branch line, if current line is served as theme, go to step 2；
If current line is branch line, enter step 4；
Step 4, according to section circuit tissue, choose splicing next section of main line data compare, detection with
Whether the up-to-date distance of one section of main line is less than 20 ~ 50 meters, is preferably 20 meters in the present embodiment, if it is, front is worked as in switching at once
Road, to next section of main line, then goes to step 3；
If not, preservation current line is constant, then go to step 3；
Whether there is route indicator in step 5,250 ~ 350 meters of inspection front, in the present embodiment, be preferably 300 meters, if
Have, then using route indicator as trigger point, start to choose all may prop up through this point from the point through route indicator
Line and current gps longitude and latitude are mated, and obtain closest circuit；
Then go to step 3 without route indicator；
Step 6, detect the minimum range of current gps longitude and latitude and closest branch line certain time whether always
Less than 20 meters, and current gps longitude and latitude and both greater than 50 meters of the minimum range of other branch lines, if so, enter step 7；If
No, go to step 3；
Step 7, judge current train place circuit as this branch line；Go to step 3.
According to the above-mentioned algorithm navigating to branch line, and switch back into the algorithm of main line, loop computation, continuous service.
This method is limited to positioning precision to a certain extent, and such as parallel distance only has several meters of two rails temporary at present
When cannot be distinguished by, but the distance of usual branch line and main line is typically all without very little, so generally will not be problematic.In essence in the future
Degree be further enhanced after this will be no longer problem.
Technological means disclosed in the present invention program are not limited only to the technological means disclosed in above-mentioned embodiment, also include
The technical scheme being made up of above technical characteristic combination in any.It should be pointed out that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of positioning train line method it is characterised in that:
First National Railway Network is organized according to work business circuit, obtained each bar channel kilometer mark and gps point as follows
Between high density correspond to dot matrix:
Step a, a time train lkj monitoring record file of acquisition or motor-car eoas monitoring record file, do interpolation as needed and add
Close process, 5 to 8 kilometer post measuring points per second, and remove repeated data；
Step b, acquisition, with the gps sampling dot file of a train, do interpolation encryption, 5 to 8 gps warps per second as needed
Latitude measuring point, and remove repeated data；
Step c, will be mated with the monitoring record file of time train and gps sampling dot file according to the time, be drawn high density
Circuit gps longitude and latitude and the dot matrix of kilometer post；
Step d, to each bar circuit repeated execution of steps one to step 3, obtain gps longitude and latitude and the kilometer punctuate of each bar circuit
Battle array, and be saved in data base；
Then as follows position train line:
Step one, launch train, driver carries with mobile device, is obtained by the positioning software running on the mobile apparatus and works as
Front gps longitude and latitude, enters step 2；
Step 2, it is compared with all track datas in current gps longitude and latitude database, draw closest line
Road, whether detection is less than 50 meters with the minimum range of this nearest circuit, if it is, navigating to this circuit recently；If not,
Repeated execution of steps two, until drawing current line；
Step 3, circulation mate 100 ~ 150 points in front and back of current gps longitude and latitude, drawing the near distance spot, working as thus drawing
Front kilometer post, detects whether current gps longitude and latitude is less than 50 meters with its minimum range simultaneously, if so, enters step 5；
If it is not, detection current line is served as theme or branch line, if current line is served as theme, go to step 2；
If current line is branch line, enter step 4；
Step 4, according to section circuit tissue, choose splicing next section of main line data compare, detection with next section
Whether the up-to-date distance of main line is less than 50 meters, if it is, switching current line, to next section of main line, then goes to step at once
Three；
If not, preservation current line is constant, then go to step 3；
Whether there is route indicator in step 5,250 ~ 350 meters of inspection front, if it has, then using route indicator as triggering
Point, starts to choose all possible branch lines through this point from the point through route indicator and current gps longitude and latitude is mated,
Obtain closest circuit；
Then go to step 3 without route indicator；
Whether step 6, the current gps longitude and latitude of detection are less than certain time always with the minimum range of closest branch line
20 meters, and current gps longitude and latitude and both greater than 50 meters of the minimum range of other branch lines, if so, enter step 7；If it is not, turning
To step 3；
Step 7, judge current train place circuit as this branch line；Go to step 3.
2. according to claim 1 a kind of positioning train line method it is characterised in that: in step 2, detection with
Whether the minimum range of this nearest circuit is less than 20 meters.
3. according to claim 1 a kind of positioning train line method it is characterised in that: in step 3, circulation
Joining 120 points in front and back of current gps longitude and latitude, draw the near distance spot, thus drawing current kilometer mark, detecting current simultaneously
Whether gps longitude and latitude is less than 50 meters with its minimum range.
4. according to claim 1 a kind of positioning train line method it is characterised in that: in step 4, detection with
Whether the up-to-date distance of next section of main line is less than 20 meters.
5. according to claim 1 a kind of positioning train line method it is characterised in that: in step 5, before inspection
Whether there is route indicator in 300 meters of side.
6. according to claim 1 a kind of positioning train line method it is characterised in that: navigate to branch line according to above-mentioned
Algorithm, and switch back into the algorithm of main line, loop computation, continuous service.
7. a kind of method according to claim 1 it is characterised in that: in step a, 6 kilometer post measuring points per second.
8. a kind of method according to claim 1 it is characterised in that: in stepb, 6 gps longitude and latitude records per second
Point.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510880786.5A CN105346568B (en) | 2015-12-07 | 2015-12-07 | Method for positioning main lines and branch lines through GPS longitude and latitude |
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| CN201510880786.5A CN105346568B (en) | 2015-12-07 | 2015-12-07 | Method for positioning main lines and branch lines through GPS longitude and latitude |
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| CN105346568A CN105346568A (en) | 2016-02-24 |
| CN105346568B true CN105346568B (en) | 2017-01-18 |
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| CN106504366B (en) * | 2016-10-31 | 2019-07-23 | 四川岭傲信息技术有限公司 | A kind of railway locomotive wind regime data analysing method and intelligent management system |
| CN111044061B (en) * | 2018-10-12 | 2023-03-28 | 腾讯大地通途（北京）科技有限公司 | Navigation method, device, equipment and computer readable storage medium |
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| CN104071186A (en) * | 2013-03-27 | 2014-10-01 | 高鹏 | Train positioning system |
| CN104590325B (en) * | 2014-12-23 | 2016-08-24 | 合肥工大高科信息科技股份有限公司 | Rail yard circuit and section insulating point gps coordinate auto-mapping system method |
| CN105059325B (en) * | 2015-07-31 | 2017-03-08 | 株洲中车时代电气股份有限公司 | A kind of locomotive localization method and system |
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Inventor after: Tang Lixin Inventor after: Tang Jun Inventor after: Xie Chongbin Inventor after: Zhang Zheng Inventor after: Zhou Honglei Inventor after: Zhao Yanjie Inventor after: Zhao Menghao Inventor before: Zhou Honglei Inventor before: Zhao Yanjie Inventor before: Zhao Menghao |
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