CN103253286B - A kind of orbital-elements measurement method - Google Patents
A kind of orbital-elements measurement method Download PDFInfo
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- CN103253286B CN103253286B CN201310214011.5A CN201310214011A CN103253286B CN 103253286 B CN103253286 B CN 103253286B CN 201310214011 A CN201310214011 A CN 201310214011A CN 103253286 B CN103253286 B CN 103253286B
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Abstract
The invention discloses a kind of orbital-elements measurement method, measure dolly by second and be placed in the fixing point of work rail section, by electronic total station towards fixing point, measure the fixing point relative coordinate to electronic total station, calculate that the track of the second measurement dolly present position offsets relative to the position of fixing point. After completing the measurement of coordinates of fixing point, start and aimed at by the camera head of the first measurement dolly the luminous target of the second measurement dolly. Second measures dolly measures dolly implementation along rail to first, and the first the first process device measuring dolly constantly records the relative deviant of luminescence target target by camera head in the process. First process device includes railway track distance by first sensor component record simultaneously, and first measure dolly change of pitch angle value, mileage changing value in interior parameter, calculate the space parameter of curve of rail left and right sides rail, and calculate rail adiabatic line coordinate parameters in SURVEYING CONTROL NETWORK in conjunction with the relative deviant of luminescence target target.
Description
Technical field
The present invention relates to a kind of orbital-elements measurement method, especially relate to a kind of portable railway measurement method of parameters being applied to the measurement of field of track traffic railroad track parameter of curve.
Background technology
In the normal state, the static curve shape of railroad track and its design load are generally constantly present certain error, and the existence of error makes the actual value of rail be a curve being designed around value fluctuation. Therefore, in order to improve the certainty of measurement of orbital curve parameter, it is suppressed that the long wave error in orbital-elements measurement, it is necessary to set up an orbit measurement Controling network, with this SURVEYING CONTROL NETWORK for benchmark, corresponding instrument tracking road parameter of measuring is utilized to measure.
At present, several orbital-elements measurement systems based on SURVEYING CONTROL NETWORK are had in the prior art. Wherein, a kind of exemplary device is to be designated as basis with laser measuring device for measuring and a tracking target, and the program includes a dolly that can travel, a dolly being set up in fixing point along rail, it is installed on a laser beam emitting device on car and a moving target mark composition that laser can be followed the tracks of. When dolly is along rail traveling, target moves measures the skew being relatively fixed a little, calculates rail parameter.
Another kind of typical device is made up of a total powerstation and a dolly with prism, and total powerstation is set up in SURVEYING CONTROL NETWORK, and by measuring the spatial coordinate location of prism on dolly, systems soft ware can calculate the geometrical curve parameter of track.
In the prior art scheme, laser aid is relatively applicable to long straightway interval operation, laser beam is fixing, movement is laser target, laser target moving range is limited, cannot work, before starting the work when when between itself and laser emission point, drift angle is excessive, needing the alignment procedures of a target and laser, this process is often difficult to operate. Measurement apparatus based on total powerstation is not then suitable for continuous dynamic tracking measurement, thus its measurement is inefficient, it is difficult to reach Railway Site line upkeep construction desirable.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of orbital-elements measurement method, it is possible to realize the dynamic tracking measurement of target, scheme facilitates implementation the monitoring of image and shows simultaneously, therefore can effectively solve laser measuring device for measuring to be difficult to be directed at, unhandy problem.
In order to realize foregoing invention purpose, the present invention specifically provides the technic relization scheme of a kind of orbital-elements measurement method, a kind of orbital-elements measurement method, and orbital-elements measurement system includes: first measures dolly and second measures dolly. Described first measures dolly as videographic measurment car, including: first processes device, first sensor assembly, camera head and the first data radio station. Described second measures dolly as target car, including: second processes device, the second sensor cluster, luminous target, electronic total station and the second data radio station. Before measurement process starts, measure dolly by described second and be placed in a fixing point of work rail section, by described electronic total station towards fixing point, measuring the described fixing point relative coordinate to described electronic total station, inversion reckoning goes out the described second track measuring dolly present position and offsets relative to the position of described fixing point. After completing the measurement of coordinates to described fixing point, start orbital-elements measurement process, start the described first camera head measuring on dolly, described camera head is aimed at the described second luminous target measuring on dolly. Described second measures dolly measures dolly with certain speed implementation along rail to described first, and the described first the first process device measured on dolly constantly records the described second relative deviant of luminescence target target measuring on dolly by described camera head in the process. Simultaneously, described first the first process device measured on dolly includes railway track distance by described first sensor component record, and described first measure change of pitch angle value on dolly, mileage changing value in interior parameter, calculate the space parameter of curve of rail left and right sides rail, and calculate rail adiabatic line coordinate parameters in SURVEYING CONTROL NETWORK in conjunction with the described second relative deviant of luminescence target target measured on dolly. Described first measurement dolly and second is measured dolly and is realized the phase interchangeable of measurement data respectively through described first data radio station and the second data radio station.
Preferably, before measurement process starts, further comprising the steps of:
S100: measure dolly by described first and be positioned over the fixed point that the rail section being intended to construction operation is initial, perform the described first mileage measuring dolly and the second measurement dolly in described initial fixed point to synchronize, described first measures dolly carries out the setpoint distance place to the second fixing point backward, measures the camera head on dolly by described first and aims at the described second luminous target measuring on dolly;
Preferably, described orbital-elements measurement process further includes steps of
S200: measure dolly by described second and be directed at the first fixing point, utilizes the described second electronic total station measured on dolly to measure this some place track coordinate offset relative to described first fixing point;
S300: described second measures dolly drives into the second fixed point along rail to described first measurement dolly, in the process, described first measures the first of dolly processes device by luminescence target target position skew on the described second measurement dolly of described camera head measurement, and by described first data radio station, this value passed to described second and measure dolly, described second measures dolly records the change of pitch angle value of self, mileage changing value in conjunction with described second sensor cluster, calculates the space curve parameter value of left and right two rails accordingly;
S400: described second measures dolly is directed at described second fixing point, described electronic total station is utilized to measure this some place track coordinate offset relative to described second fixing point, the track that the space curve parameter value of left and right two rail recorded in step S300 and described electronic total station are measured is carried out Combined Calculation relative to the coordinate offset value of described second fixing point, obtains errant absolute coordinate parameter in SURVEYING CONTROL NETWORK;
S500: described first measures dolly carries out the setpoint distance place to the 3rd fixing point again backward, measures the camera head on dolly by described first and aims at the described second luminous target measuring on dolly;
S600: circulation carries out the measurement action of step S200 to step S500 on follow-up fixing point, until the end of whole route survey section.
Preferably, in described step S200, described first measures dolly carries out to the second fixing point 20��30m place backward.
Preferably, in described step S500, described first measures dolly carries out 20��30m place to the 3rd fixing point again backward.
Preferably, described fixing point is positioned on contact net electric pole, and the geodetic coordinates of described fixing point is given value.
Preferably, the described second luminous target measuring dolly adopts LED luminescence target mode.
Preferably, described first process device and second processes device and all adopts industrial truck borne computer mode.
Preferably, described first measurement dolly and second is measured dolly and is all adopted Portable Hand-pushing fodder dolly mode.
Preferably, described first data radio station and the second data radio station all adopt wireless digital broadcasting station mode.
Preferably, in described step S400, the process that the track that the space curve parameter value of left and right two rail and described electronic total station are measured carries out Combined Calculation relative to the coordinate offset value of described fixing point is further included steps of
Assuming that the labelling point skew of fixing point A place is b for the skew of a, fixing point B place labelling point, between 2 labelling points, mileage difference is m, and measuring nose is positioned at D place, and the mileage to labelling point is x,
Owing to two labelling points offset, producing a linear deflection to normal place, be calculated as �� Pm, this value is measured by electronic total station, by geometry relation it follows that
�� Pm=b+x* (a-b)/m
In a work cycle, described luminous target is respectively placed in fixing point A and B with camera head, due to the Standard linear between A and B it is known that therefore when described luminous target advances along circuit, the theoretical deviant PT at arbitrary mileage x place all can be calculated by mileage value and Standard linear. Due to the deformation of circuit, there is difference between actual measurement deviant Pr and theoretical deviant PT, this difference is the measuring nose skew of relative measurement FAXIA of the present invention, is calculated as �� Pr.
To the two be added above, its Combined Calculation formula adding up to �� PD, �� PD simplification is:
�� PD=�� Pr+ �� Pm
�� PD is the space curve parameter value of left and right two rails and the track of the described electronic total station measurement coordinate offset value relative to described fixing point.
By implementing the technical scheme of a kind of orbital-elements measurement method that the invention described above provides, have the following technical effect that
(1) orbital-elements measurement method of the present invention is easy to operate, efficiency is high, by adopting digital picture as measurement means, whole process is simple and clear, without loaded down with trivial details manual-alignment process, in measurement process, occur that the situations such as losing lock and error tracking can also be gone out by vehicle-mounted computer automatic decision;
(2) orbital-elements measurement method of the present invention measurement scope is wide, in whole areas imaging, target can be tracked and measure, therefore present invention may apply to the measurement of deep camber orbit parameter, breach the methods such as laser and be difficult to be applicable to the limitation of long straight line path.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation that a kind of detailed description of the invention of orbital-elements measurement system first provided by the invention measures dolly;
Fig. 2 is the structural representation that a kind of detailed description of the invention of orbital-elements measurement system second provided by the invention measures dolly;
Fig. 3 is the process schematic of step S100 in a kind of detailed description of the invention work flow of orbital-elements measurement method provided by the invention;
Fig. 4 is the process schematic of step S200 in a kind of detailed description of the invention work flow of orbital-elements measurement method provided by the invention;
Fig. 5 is the process schematic of step S300 in a kind of detailed description of the invention work flow of orbital-elements measurement method provided by the invention;
Fig. 6 is the process schematic of step S500 in a kind of detailed description of the invention work flow of orbital-elements measurement method provided by the invention;
Fig. 7 is the program flow diagram of a kind of detailed description of the invention of orbital-elements measurement method provided by the invention;
Fig. 8 is the program flow diagram of orbital-elements measurement method another kind detailed description of the invention provided by the invention;
Fig. 9 is the resolving principle schematic of a kind of detailed description of the invention of orbital-elements measurement method provided by the invention;
In figure: 100-first measures dolly, 200-second measures dolly, 101-first processes device, 102-first sensor assembly, 103-camera head, 106-the first wireless digital broadcasting station, 201-second processes device, 202-the second sensor cluster, 204-luminescence target, 205-electronic total station, 206-the second wireless digital broadcasting station.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
As shown in accompanying drawing 1 to accompanying drawing 9, giving one orbital-elements measurement method of the present invention and the specific embodiment of its orbital-elements measurement system applied, below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figures 1 and 2, give the present invention detailed description of the invention of the orbital-elements measurement system that a kind of orbital-elements measurement method is applied, this orbital-elements measurement system adopts portable buggy design, system can carry out the measurement inspection of rail track parameter, measure the result obtained to compare with the Design Theory parameter of circuit, thus calculating the positively biased difference to be repaired of track circuit, carry out construction operation accordingly, it is possible to eliminate the geometric error in rail track. A kind of orbital-elements measurement system, specifically includes: first measures dolly 100 and second measures dolly 200. As shown in Figure 1, first measures dolly 100 as videographic measurment car, farther includes: first processes device 101, first sensor assembly 102, camera head 103 and the first data radio station 106. First sensor assembly 102, camera head 103 process device 101 with first respectively with the first data radio station 106 and are connected. First processes device 101 for processing the digital image that camera head 103 is clapped, and calculates corresponding orbit parameter value accordingly. First sensor assembly 102 is measured and is included railway track distance, and first measures dolly 100 level inclination, traveling mileage in interior parameter.As shown in Figure 2, second measures dolly 200 as target car, farther includes: second processes device the 201, second sensor cluster 202, luminous target 204, electronic total station 205 and the second data radio station 206. Second sensor cluster 202, electronic total station 205 process device 201 with the second data radio station 206 with second and are connected. Luminous target 204 is for assisting the videographic measurment of the camera head 103 of the first measurement dolly 100. Electronic total station 205 is for measuring the second measurement dolly 200 coordinate position in SURVEYING CONTROL NETWORK. Second processes device 201 controls the measurement process of electronic total station 205, and reads the measurement data of electronic total station 205. Second sensor cluster 202 is measured and is included railway track distance, and second measures the level inclination of dolly 200, traveling mileage in interior parameter. First measurement dolly 100 and the second measurement dolly 200 realize the phase interchangeable of measurement data respectively through the first data radio station 106 and the second data radio station 206.
Second measures the electronic total station 205 of dolly 200 in measurement process towards a fixing point, by measuring the fixing point relative coordinate to electronic total station 205, inversion reckoning goes out the track of the second measurement dolly 200 present position and offsets relative to the position of fixing point. This fixing point is usually located on contact net electric pole, and its geodetic coordinates is known.
First camera head 103 measuring dolly 100 aims at the luminous target 204 on the second measurement dolly 200 in measurement process. Second measures dolly 200 measures dolly 100 with certain speed implementation along rail to first, in the process, first measure the first of dolly 100 and process device 101 and constantly record the second relative deviant measuring luminous target 204 on dolly 200 by camera head 103.
First measures dolly 100 in measurement process, first processes device 101 includes railway track distance by first sensor assembly 102 record, and first measure change of pitch angle value on dolly 100, mileage changing value is in interior parameter, and calculates the space parameter of curve of rail left and right sides rail.
First measures the first of dolly 100 processes the device 101 space parameter of curve according to rail left and right sides rail, and the relative deviant in conjunction with the luminous target 204 on the second measurement dolly 200 calculates rail adiabatic line coordinate parameters in SURVEYING CONTROL NETWORK.
As a kind of typical embodiment of the present invention, the second luminous target 204 measuring dolly 200 adopts LED luminescence target further. First process device 101 and the second process device 201 all adopt industrial truck borne computer. First measurement dolly 100 and the second measurement dolly 200 all adopt Portable Hand-pushing fodder dolly. First data radio station 106 and the second data radio station 206 all adopt wireless digital broadcasting station.
As shown in Figure 7, The present invention gives the detailed description of the invention of a kind of orbital-elements measurement method, including: first measures dolly 100 and second measures dolly 200. First measures dolly 100 as videographic measurment car, including: first processes device 101, first sensor assembly 102, camera head 103 and the first data radio station 106. Second measures dolly 200 as target car, including: second processes device the 201, second sensor cluster 202, luminous target 204, electronic total station 205 and the second data radio station 206. Before measurement process starts, measure dolly 200 by second and be placed in a fixing point of work rail section, by electronic total station 205 towards fixing point, measuring the fixing point relative coordinate to electronic total station 205, inversion reckoning goes out the track of the second measurement dolly 200 present position and offsets relative to the position of fixing point.After completing the measurement of coordinates to fixing point, start orbital-elements measurement process, start the camera head 103 on the first measurement dolly 100, camera head 103 is aimed at the luminous target 204 on the second measurement dolly 200. Second measures dolly 200 measures dolly 100 with certain speed implementation along rail to first, in the process, first measure on dolly 100 first process device 101 and constantly record the second relative deviant measuring luminous target 204 on dolly 200 by camera head 103. Simultaneously, first the first process device 101 measured on dolly 100 includes railway track distance by first sensor assembly 102 record, and first measure change of pitch angle value on dolly 100, mileage changing value in interior parameter, calculate the space parameter of curve of rail left and right sides rail, and the relative deviant in conjunction with the luminous target 204 on the second measurement dolly 200 calculates rail adiabatic line coordinate parameters in SURVEYING CONTROL NETWORK. First measurement dolly 100 and the second measurement dolly 200 realize the phase interchangeable of measurement data respectively through the first data radio station 106 and the second data radio station 206.
As shown in accompanying drawing 3,4,5,6,8, what give the present invention a kind of orbital-elements measurement method based on above-mentioned orbital-elements measurement system is embodied as flow process, wherein, A point in accompanying drawing 3 to accompanying drawing 6 is the first fixing point, B point be the second fixing point, C point is the 3rd fixing point, first fixing point, the second fixing point, the 3rd fixing point, and all follow-up fixing points are the labelling reference point being arranged on the contact net electric pole that rail is other.
S100: as shown in Figure 3, before measurement process starts, measure dolly 100 by first and be positioned over the fixed point that the rail section being intended to construction operation is initial, the mileage performing the first measurement dolly 100 and the second measurement dolly 200 in initial fixed point synchronizes, fixing point is positioned on contact net electric pole, the geodetic coordinates of fixing point is given value, and the first measurement dolly 100 and the second measurement dolly 200 perform to include a series of initialization operations of mileage synchronization etc. in initial fixed point successively;
First measures dolly 100 carries out the setpoint distance place to the second fixing point backward, and the camera head 103 that first measures on dolly 100 is aimed at the luminous target 204 on the second measurement dolly 200;
S200: as shown in Figure 4, starts orbital-elements measurement process, measures dolly 200 by second and is directed at the first fixing point, utilizes the electronic total station 205 on the second measurement dolly 200 to measure this some place track coordinate offset relative to the first fixing point;
S300: as shown in Figure 5, second measures dolly 200 drives into the second fixed point along rail to the first measurement dolly 100, in the process, first measures the first process device 101 of dolly 100 measures the position skew of luminous target 204 on the second measurement dolly 200 by camera head 103, and by the first data radio station 106, this value passed to the second measurement dolly 200, second measures dolly 200 records the change of pitch angle value of self, mileage changing value in conjunction with the second sensor cluster 202, calculates the space curve parameter value of left and right two rails accordingly;
S400: the second measures dolly 200 is directed at the second fixing point, electronic total station 205 is utilized to measure this some place track coordinate offset relative to the second fixing point, the track that the space curve parameter value of left and right two rail recorded in step S300 and electronic total station 205 are measured is carried out Combined Calculation relative to the coordinate offset value of the second fixing point, obtains errant absolute coordinate parameter in SURVEYING CONTROL NETWORK;
S500: as shown in Figure 6, first measures dolly 100 carries out the setpoint distance place to the 3rd fixing point again backward, and the camera head 103 that first measures on dolly 100 is aimed at the luminous target 204 on the second measurement dolly 200;
S600: circulation carries out the measurement action of step S200 to step S500 on follow-up fixing point, until the end of whole route survey section. As: continue executing with the measurement action of the subsequent fixed point including the 4th fixing point, the 5th fixing point and the 6th fixed point etc., only need to being brought into by corresponding fixing point in step S200 to step S500, replace the first fixing point, the second fixing point and the 3rd fixing point, the rest may be inferred.
As a kind of typical embodiment of the present invention, in step s 200, first measures dolly 100 carries out 20��30m place to the second fixing point further backward. In step S500, first measures dolly 100 carries out 20��30m place to the 3rd fixing point further again backward.
As a kind of typical embodiment of the present invention, the second luminous target 204 measuring dolly 200 adopts LED luminescence target mode further. First process device 101 and the second process device 201 all adopt industrial truck borne computer mode. First measurement dolly 100 and the second measurement dolly 200 all adopt Portable Hand-pushing fodder dolly mode. First data radio station 106 and the second data radio station 206 all adopt wireless digital broadcasting station mode.
As shown in Figure 9, in step S400, the process that the track that the space curve parameter value of left and right two rail and electronic total station 205 are measured carries out Combined Calculation relative to the coordinate offset value of fixing point is comprised the following steps:
Assuming that the labelling point skew of fixing point A place is b for the skew of a, fixing point B place labelling point, between 2 labelling points, mileage difference is m, and measuring nose is positioned at D place, and the mileage to labelling point is x.
Black dotted lines as shown in Figure 9 represents benchmark rail normal place, solid line represents that benchmark rail there occurs the physical location of displacement, it is positioned at the measuring nose of mileage x place setting, owing to two labelling points offset, a linear deflection to normal place can be produced, being calculated as �� Pm, this value is measured by electronic total station 205.
By geometry relation it follows that
�� Pm=b+x* (a-b)/m
In a work cycle, luminous target 204 is respectively placed in fixing point A and B with camera head 103, due to the Standard linear between A and B it is known that therefore when luminous target 204 advances along circuit, the theoretical deviant PT at arbitrary mileage x place all can be calculated by mileage value and Standard linear. Due to the deformation of circuit, there is difference between actual measurement deviant Pr and theoretical deviant PT, this difference is the measuring nose skew of relative measurement FAXIA of the present invention, is calculated as �� Pr.
To the two be added above, its Combined Calculation formula adding up to �� PD, �� PD simplification can be:
�� PD=�� Pr+ �� Pm.
The present invention is based on digital image processing techniques, it is possible to realize the dynamic tracking measurement of target, and the monitoring being also convenient for realizing image shows, therefore can effectively solve laser measuring device for measuring and be difficult to be directed at, unhandy problem. Simultaneously, a set of orbital-elements measurement dolly based on image measurement, this car utilizes image measurement technology, namely can carry out the measurement of orbit parameter, solves again that being not easy to existing for similar device is sighted, curved measurement radius is excessive, can not the technological deficiency such as tracking measurement continuously.
The orbital-elements measurement method that the specific embodiment of the invention describes has following technical effect that
(1) orbital-elements measurement method of the present invention is easy to operate, efficiency is high, by adopting digital picture as measurement means, whole process is simple and clear, without loaded down with trivial details manual-alignment process, in measurement process, occur that the situations such as losing lock and error tracking can also be gone out by vehicle-mounted computer automatic decision;
(2) orbital-elements measurement method of the present invention measurement scope is wide, in whole areas imaging, target can be tracked and measure, therefore present invention may apply to the measurement of deep camber orbit parameter, breach the methods such as laser and be difficult to be applicable to the limitation of long straight line path.
In this specification, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually referring to.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction. Although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention. Any those of ordinary skill in the art, when without departing from the spirit of the present invention and technical scheme, all may utilize the method for the disclosure above and technology contents and technical solution of the present invention is made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations. Therefore, every content without departing from technical solution of the present invention, to any simple modification made for any of the above embodiments, equivalent replacement, equivalence change and modify according to the technical spirit of the present invention, all still fall within the scope of technical solution of the present invention protection.
Claims (10)
1. an orbital-elements measurement method, orbital-elements measurement system includes: first measures dolly (100) and second measures dolly (200), described first measures dolly (100) as videographic measurment car, including: first processes device (101), camera head (103) and the first data radio station (106); Described second measures dolly (200) as target car, including: second processes device (201), the second sensor cluster (202), luminous target (204) and the second data radio station (206); Described first measurement dolly (100) and second is measured dolly (200) and is realized the phase interchangeable of measurement data respectively through described first data radio station (106) and the second data radio station (206); It is characterized in that, described first measures dolly (100) also includes first sensor assembly (102), and described second measures dolly (200) also includes electronic total station (205); Before measurement process starts, measure dolly (200) by described second and be placed in a fixing point of work rail section, by described electronic total station (205) towards fixing point, measuring the described fixing point relative coordinate to described electronic total station (205), inversion reckoning goes out the described second track measuring dolly (200) present position and offsets relative to the position of described fixing point; after completing the measurement of coordinates to described fixing point, start orbital-elements measurement process, start the described first camera head (103) measuring on dolly (100), described camera head (103) is aimed at the described second luminous target (204) measuring on dolly (200), described second measures dolly (200) measures dolly (100) with certain speed implementation along rail to described first, in the process described first measure on dolly (100) first process device (101) and constantly record the described second relative deviant measuring luminous target (204) on dolly (200) by described camera head (103), described first the first process device (101) measured on dolly (100) simultaneously includes railway track distance by described first sensor assembly (102) record, and described first measure change of pitch angle value on dolly (100), mileage changing value is in interior parameter, calculate the space parameter of curve of rail left and right sides rail, and calculate rail adiabatic line coordinate parameters in SURVEYING CONTROL NETWORK in conjunction with the described second relative deviant measuring the luminous target (204) on dolly (200),Before measurement process starts, further comprising the steps of:
S100: measure dolly (100) by described first and be positioned over the fixed point that the rail section being intended to construction operation is initial, perform the described first mileage measuring dolly (100) and the second measurement dolly (200) in described initial fixed point to synchronize, described first measures dolly (100) carries out the setpoint distance place to the second fixing point backward, and the described first camera head (103) measured on dolly (100) aims at the described second luminous target (204) measuring on dolly (200).
2. a kind of orbital-elements measurement method according to claim 1, it is characterised in that described orbital-elements measurement process further includes steps of
S200: measure dolly (200) by described second and be directed at the first fixing point, utilizes the described second electronic total station (205) measured on dolly (200) to measure this some place track coordinate offset relative to described first fixing point;
S300: described second measures dolly (200) drives into the second fixed point along rail to described first measurement dolly (100), in the process, described first the first process device (101) measuring dolly (100) measures the described second position skew measuring the upper luminous target (204) of dolly (200) by described camera head (103), and by described first data radio station (106), this value passed to described second and measure dolly (200), described second measures dolly (200) records the change of pitch angle value of self in conjunction with described second sensor cluster (202), mileage changing value, calculate the space curve parameter value of left and right two rails accordingly,
S400: described second measures dolly (200) is directed at described second fixing point, described electronic total station (205) is utilized to measure this some place track coordinate offset relative to described second fixing point, the track that the space curve parameter value of left and right two rail recorded in step S300 and described electronic total station (205) are measured is carried out Combined Calculation relative to the coordinate offset value of described second fixing point, obtains errant absolute coordinate parameter in SURVEYING CONTROL NETWORK;
S500: described first measures dolly (100) carries out the setpoint distance place to the 3rd fixing point again backward, and the described first camera head (103) measured on dolly (100) aims at the described second luminous target (204) measuring on dolly (200);
S600: circulation carries out the measurement action of step S200 to step S400 on follow-up fixing point, until the end of whole route survey section.
3. a kind of orbital-elements measurement method according to claim 2, it is characterised in that: in described step S200, described first measures dolly (100) carries out to the second fixing point 20��30m place backward.
4. a kind of orbital-elements measurement method according to claim 3, it is characterised in that: in described step S500, described first measures dolly (100) carries out 20��30m place to the 3rd fixing point again backward.
5. a kind of orbital-elements measurement method according to any claim in Claims 1-4, it is characterised in that: described fixing point is positioned on contact net electric pole, and the geodetic coordinates of described fixing point is given value.
6. a kind of orbital-elements measurement method according to claim 5, it is characterised in that: the described second luminous target (204) measuring dolly (200) adopts LED luminescence target mode.
7. according to Claims 1-4, a kind of orbital-elements measurement method described in any claim in 6, it is characterised in that: described first processes device (101) and the second process device (201) all adopts industrial truck borne computer mode.
8. a kind of orbital-elements measurement method according to claim 7, it is characterised in that: described first measurement dolly (100) and second is measured dolly (200) and is all adopted Portable Hand-pushing fodder dolly mode.
9. according to Claims 1-4, a kind of orbital-elements measurement method described in any claim in 6,8, it is characterised in that: described first data radio station (106) and the second data radio station (206) all adopt wireless digital broadcasting station mode.
10. a kind of orbital-elements measurement method according to claim 9, it is characterized in that: in described step S400, according to following steps, the track that the space curve parameter value of left and right two rail and described electronic total station (205) are measured carried out Combined Calculation relative to the coordinate offset value of described fixing point:
If labelling point skew in fixing point A place is a, the labelling point skew of fixing point B place is b, linear deflection �� Pm, �� Pm=b+x* (a-b)/m to normal place owing to two labelling point skews produce is measured by described electronic total station (205); Wherein, between 2 labelling points, mileage difference is m, and measuring nose is positioned at D place, and measuring nose is x to the mileage of labelling point;
In a work cycle, described luminous target (204) is respectively placed in fixing point A and B with camera head (103), when described luminous target (204) is advanced along circuit, calculate the difference existed between arbitrary mileage x place actual measurement deviant Pr and theoretical deviant PT, this difference is the skew of described measuring nose, being calculated as �� Pr, the track that the space curve parameter value of left and right two rail and described electronic total station (205) are measured relative to the coordinate offset value �� PD of described fixing point is: �� PD=�� Pr+ �� Pm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310214011.5A CN103253286B (en) | 2013-05-31 | 2013-05-31 | A kind of orbital-elements measurement method |
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| CN106370200B (en) * | 2016-10-11 | 2023-08-15 | 南京南华航空产业有限公司 | Motion parameter measuring device of vehicle |
| CN108457143B (en) * | 2018-03-27 | 2020-03-24 | 株洲时代电子技术有限公司 | Track line coordinate measuring system |
| CN108534765B (en) * | 2018-03-27 | 2020-03-24 | 株洲时代电子技术有限公司 | Track line coordinate measuring method |
| CN110017823B (en) * | 2019-04-29 | 2022-02-08 | 江西日月明测控科技股份有限公司 | Rail positioning coordinate calculation method and device based on total station instrument free-standing station |
| CN112883078B (en) * | 2021-02-07 | 2022-11-15 | 江西科技学院 | Track dynamic inspection historical data matching method based on DTW and least square estimation |
| CN114577113B (en) * | 2022-03-03 | 2022-09-16 | 中国测绘科学研究院 | Method for measuring the position of a track, track tamping vehicle, device, apparatus and readable medium |
| CN115384574A (en) * | 2022-08-26 | 2022-11-25 | 中国铁道科学研究院集团有限公司 | Method and device for correcting detection mileage of contact network |
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| CN100451544C (en) * | 2004-03-15 | 2009-01-14 | 清华大学 | Method for measuring attitude parameters of aircraft based on video images |
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