CN101024400A - Express railway rail safety automatic measure monitoring technology - Google Patents
Express railway rail safety automatic measure monitoring technology Download PDFInfo
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- CN101024400A CN101024400A CN 200710084848 CN200710084848A CN101024400A CN 101024400 A CN101024400 A CN 101024400A CN 200710084848 CN200710084848 CN 200710084848 CN 200710084848 A CN200710084848 A CN 200710084848A CN 101024400 A CN101024400 A CN 101024400A
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Abstract
The invention relates to a high speed railway automatic measuring monitoring technology. It installs measuring reference stake on railway roadbed, and installs displacement transducer on measuring reference stake. It uses relative displacement between railway and measuring reference stake to gain the railway static and dynamic movement information data. The data would be sent to terminal for displaying. It is the scientific basis of design, constructing, operating, and maintaining for railway conveying. The application of the invention is the basic technology ensure of railway conveying safety.
Description
One. technical field
The present invention relates to a kind of railway traffic safety technology, is a kind of express railway rail safety automatic measure monitoring technology.
Two. background technology
Railway traffic has in the world entered the high speed railway epoch.The F-Zero of train has reached 515km/h, and overall trip speed has generally also reached 300km/h.Along with the speed-raising of train, high speed train causes the damage to railroad track, railroad bed probably to the enormous impact power of railroad track and railroad bed, very easily causes traffic accident.Therefore, along with the raising of train speed, improved the technical requirements of railroad track, railroad bed is also corresponding.To the self-measuring monitoring technique of railroad track dynamic displacement and static displacement, become one of gordian technique of guaranteeing the operation of railroad train high-speed secure.
1. existing railroad track, railroad bed measurement technique
1.1. original, the simplest method
With distance and the levelness between " track gauge level gauge " measurement two one steel rails, measure the levelness of whole rail with " laser level survey meter ".
1.2. up-to-date patented technology
1.2.1. the patent No. 01246092.3, patent name is the patented technology of " railroad bed inspection vehicle ", this technology is a kind of railroad bed inspection vehicle that can move fast on railroad track, it mainly is made up of geological radar and static penetrometer, geological radar and static penetrometer are equipped on the railroad bed inspection vehicle, geological radar comprises geological radar control setup, computing machine and geological radar antenna, and static penetrometer comprises measuring equipment and probe.This patented technology not only can rapidly, continuously, efficiently, nondestructively detect ballast aggregate degree of fouling, humidity, and can detect bedding, subgrade defect and assessment roadbed state, for permanent way maintenance and maintenance provide accurate, reliable and practical foundation.
1.2.2. the patent No.: 200420016443.1, patent name is the patented technology of " the true displacement measurement stake of railway subgrade surface ", this technology is the true displacement measurement stake of a kind of railway subgrade surface, it is made up of fixed reference stake, outer pillar, resistance-strain type displacement gauge, the fixed reference stake is a steel pipe, the fixed reference stake is inserted in the vertical hole of roadbed, is cast with cement concrete around the bottom of fixed reference stake, and subgrade surface is exposed in the upper end of fixed reference stake; Outer protective pipe sleeve is outside the fixed reference stake, and its lower end and cement concrete leave the gap, and its upper end is concordant with subgrade surface, and the vertical hole of outer pillar and roadbed is together closely connected; The resistance-strain type displacement gauge is fixed on fixed reference stake top by the angle steel bracket, and the contact of resistance-strain type displacement gauge contacts with subgrade surface is vertical, is provided with smooth plates at contact surface.The beneficial effect of this patented technology is the real displacement that it can test subgrade surface continuously, exactly, precision can reach 0.01mm, for rigidity, the modulus of elasticity of research railway subgrade surface, fill quality important parameter be provided, guarantee the stability and the durability of railroad bed, thereby guarantee safety of railway transportation.
2. the defective of prior art
2.1. lack 24 hours dynamic monitoring means of actv.
Prior art all is a ccasual, local, static to the measurement of railroad track, railroad bed.Prior art, can not reflect really when train passes through, train is to the dynamic effects of railroad track and railroad bed, when especially heavy haul train enters bend at a high speed, its inertial impact force is very huge to the influence power of railroad track, railroad bed, cause damage probably, very easily cause traffic accident railroad track, railroad bed.And prior art can't be carried out 24 hours dynamic tracking measurements completely to railroad track at all under train high-speed cruising state.Therefore, prior art obviously can not satisfy the technical requirements of high speed train safety traffic.
2.2. lack 24 hours static monitoring means of actv.
Prior art is ccasual, part, static to the measurement of railroad track, railroad bed.When the railroad bed that burst disasteies such as earthquake, flood, mud-rock flow cause is impaired, in the time of the sedimentation that the railroad track that causes owing to disease at railroad bed takes place, bevelled.Prior art can not be carried out actv. to railroad track mode of operation completely in 24 hours at all and be monitored, and can not in time find, in time report to the police accident potential, in time prevention.Especially feel unsure of especially for those operation states that pass through the railroad track in barren hill, depopulated zone.Therefore, prior art obviously can not satisfy the technical requirements of train cruising.
Three. summary of the invention
1. purpose of the present invention
1.1. a kind of railroad track dynamic displacement self-measuring monitoring technique is provided, and 24 hours self-measuring trains pass through the dynamic displacement data of the railroad track in highway section.The foundation of science is provided for design, construction, operation, the maintenance of high speed railway.
1.2. provide a kind of railroad track static displacement self-measuring monitoring technique, the static displacement data of 24 hours all highway section railroad tracks of self-measuring.Thereby reach the purpose that the train derailment accident that effective prevention causes owing to railroad track sedimentation, inclination takes place.The foundation of science is provided for the maintenance of railroad track and railroad bed.
2. the method that realizes of the present invention
Railroad bed is the support of railroad track, the quality of railroad bed is to be embodied on the change in displacement of railroad track, therefore at last, the present invention is a method that adopt to measure railroad track dynamic displacement, static displacement, realizes monitoring the mode of operation of railroad track, railroad bed.The present invention receives telltale by gauge reference target stake, displacement information module, terminal and forms.
3. the concrete technical scheme of self-measuring railroad track displacement
3.1. will carry out commercial measurement to sedimentation, the tilt displacement of railroad track.Relatively stable, a failure-free gauge reference target at first must be arranged.The simplest, failure-free gauge reference target is: play the gauge reference target stake on railroad bed, thus, the gauge reference target of railroad track displacement is the gauge reference target stake.With this gauge reference target of gauge reference target stake, measure the relative displacement between railroad track and the gauge reference target stake.
3.2. the displacement information data of railroad track are to rely on displacement pickup A (6), the displacement pickup B (7), displacement pickup C (8), the displacement pickup D (9) that are installed in the gauge reference target stake to measure, be to rely on displacement pickup to measure relative displacement data between railroad track and the gauge reference target stake, come sedimentation, the inclined degree of analysis and judgement railroad track.
3.3. the displacement information data of railroad track are to rely on the transmission of displacement information module.The displacement information module of displacement information data transmission to next measurement point, the displacement information module of measurement point is connected in series one by one by the displacement information module, and the terminal that the displacement information data are transferred to the train scheduling chamber always receives in the telltale.
Receive telltale 3.4. the terminal of displacement information data transmission is the terminal of train scheduling chamber, terminal receives dynamic displacement information and the static displacement information that telltale received, stores, showed railroad track.Receive in terminal on the read-out of telltale, show the dynamic displacement of railroad track, the level data of static displacement generation and time, the place that the railroad track displacement takes place in demonstration.In order to reach the purpose of monitoring train operation.The displacement information data storage is in terminal receives telltale, as the scientific basis of the design of railway, construction, operation, maintenance.
Four. description of drawings
Accompanying drawing 1: be displacement information module principle of work block scheme of the present invention
Among the figure: 1. constant voltage power suspply; 2. random access memory; 3. central process unit; 4. clock circuit; 5. read-only memory (ROM); 6. displacement pickup A; 7. displacement pickup B; 8. displacement pickup C; 9. displacement pickup D.
Five. the specific embodiment
Below by following examples, further describe the specific embodiment of the present invention.
1. set up gauge reference target
To the displacement measurement of any object, all need a gauge reference target, just can measure the relative displacement information data between this object and the gauge reference target.On railway, measure sedimentation, the tilt displacement of railroad track, need relatively stable, a failure-free gauge reference target equally.The simplest way is: on railroad bed, vertically lay the gauge reference target stake.Like this, the gauge reference target of railroad track displacement is the gauge reference target stake.The gauge reference target stake can be adopted various material manufacturings such as steel, cement, and the structure of gauge reference target stake and depth of drive are according to different environment and geologic condition decision.The basic fundamental of gauge reference target stake requires: when railroad bed was subjected to train dynamics severe impact, vibration and the hydrology such as flood, mud-rock flow, temperature Change, gauge reference target stake relative position should not change or change very little, can ignore.
For railway track is completely monitored, need install and measure reference stake completely at railway.These gauge reference target stakes are as the gauge reference target of these measurement points.Spacing distance between each measurement point is looked the different situations decision of railway, and certainly, spacing distance is littler, and the displacement information that obtains the more, and is more detailed.But also need to consider construction cost and construction complexity, general spacing distance is several meters---tens of rice are more appropriate, should be suitably smaller to the spacing distance between the measurement point of the highway section of railroad bed geology, hydrologic condition more complicated, bend.
2. displacement pickup
2.1. installation position displacement sensor
The displacement information data of railroad track are to rely on displacement pickup A (6), the displacement pickup B (7), displacement pickup C (8), the displacement pickup D (9) that are installed in the gauge reference target stake to measure.Be to rely on displacement pickup to measure relative displacement between railroad track and the gauge reference target stake, come sedimentation, the inclined degree of analysis and judgement railroad track.
Displacement pickup A (6) is fixed in the gauge reference target stake, and displacement pickup A (6) measures left rail upper and lower displacement information, obtains displacement information data A.
Displacement pickup B (7) is fixed in the gauge reference target stake, and displacement pickup B (7) measures left rail cross travel information, obtains displacement information data B.
Displacement pickup C (8) is fixed in the gauge reference target stake, and displacement pickup C (8) measures right rail upper and lower displacement information, obtains displacement information data C.
Displacement pickup D (9) is fixed in the gauge reference target stake, and displacement pickup D (9) measures right rail cross travel information, obtains displacement information data D.
2.2. the selection of displacement pickup
On the market, the kind of ready-made high precision, highly reliable displacement pickup is a lot of now, and principle of work and using method also are varied, in the present invention, both can select ready-made displacement pickup, also can manufacture and design special-purpose displacement pickup separately.In the present invention, the basic fundamental requirement to displacement pickup is:
2.2.1. want to adapt to complexity, abominable natural environment.Displacement pickup is installed on the railway, to guarantee high temperature and heating summer, the weather is cold and the ground is frozen, the environmental conditions of wind, rain, snow, hail, sandstorm is descended normal operation.
2.2.2. possess antitheft, tamper-proof function.Displacement pickup is installed on the railway, is the target that the thief steals.Antitheft, the tamper-proof measure that therefore, should be necessary.
2.2.3. should select reliable in quality, non-maintaining or reduced-maintenance displacement pickup easy to install.
2.2.4. should the high displacement pickup of selectivity price ratio.Displacement pickup will be installed four every several meters or tens of rice, if all railways are all installed, the quantity of use is quite big, so manufacturing cost also is the problem that must consider.
3. displacement information module
Further describe the effect of displacement information module among the present invention below in conjunction with accompanying drawing 1.
Accompanying drawing 1 is a displacement information module principle of work block scheme of the present invention.
In accompanying drawing 1;
3.1. the effect of constant voltage power suspply (1)
Constant voltage power suspply (1) is responsible for providing working power to whole displacement information module.
3.2. the effect of random access memory (2)
The effect of random access memory (2) is: the displacement information data that receive, storage the place ahead displacement information module transmit.Then. the displacement information data that displacement information module transmission rearward just receives, stores.The displacement information data are according to the principle of first in first out, with serial received, storage, the pattern work of series read-out.Here, we claim that this mode of operation is the mode of operation of the unidirectional straight-through transmission mode of displacement information module.
The another kind of mode of operation of displacement information module is the mode of operation of inserting transmission mode midway of displacement information module.Inserting transmission mode midway is exactly to allow the displacement information module temporarily stop the mode of operation of unidirectional straight-through transmission mode, temporarily stop to transmit the displacement information data that the place ahead displacement information module transmits, change the displacement information data that this displacement of transmission information module produces into.
Unidirectional straight-through transmission mode is alternation with inserting transmission mode midway in same displacement information module, is subjected to central process unit (3) control.When the displacement information module enters when inserting the transmission mode mode of operation midway, random access memory (2) then enters and temporarily stops to read the displacement information data mode.But the random access memory in this time (2) still continues to receive, store the displacement information data that the place ahead displacement information module transmits at random, and the purpose of doing like this is: in order to prevent losing of the place ahead displacement information data.In the time of the unidirectional straight-through transmission mode mode of operation of displacement information module recovery, random access memory (2) lining receives, the displacement information data of storage continue displacement information module transmission rearward.
3.3. the effect of clock circuit (4)
The effect of clock circuit (4) is to produce the clock information data.The purposes of clock information data is: receive the time that railroad track is subjected to displacement of determining in the telltale in terminal.
3.4. the effect of read-only memory (ROM) (5)
The effect of read-only memory (ROM) (5) is: store the geographical location information data of this displacement information module installation site, read the geographical location information data of the installation site of this displacement information module stores.The purposes of geographical location information data is: receive in terminal and determine the geographic position that railroad track is subjected to displacement in the telltale.
3.5. the effect of central process unit (3)
3.5.1. the mode of operation of control and transition shift information module.Control and the transition shift information module from unidirectional straight-through transmission mode state exchange for inserting the transmission mode state midway.Otherwise or.
3.5.2. the clock information data front of producing for clock circuit (4) increases an address code, increase an address code for the geographical location information data front of read-only memory (ROM) (5), the displacement information data front of producing for four displacement pickups respectively increases an address code.
The clock information data front that central process unit (3) produces for clock circuit (4) increases an address code 1, becomes (address code 1+ clock information data).Address code 1 in each displacement information module is identical.
Central process unit (3) increases an address code 2 for the geographical location information data front of read-only memory (ROM) (5), becomes (address code 2+ geographical location information data).Address code 2 in each displacement information module is identical.
Central process unit (3) increases an address code 3 for displacement information data A front, becomes (address code 3+ displacement information data A), and the address code 3 in each displacement information module is identical.
Central process unit (3) increases an address code 4 for displacement information data B front, becomes (address code 4+ displacement information data B), and the address code 4 in each displacement information module is identical.
Central process unit (3) increases an address code 5 for displacement information data C front, becomes (address code 5+ displacement data information C), and the address code 5 in each displacement information module is identical.
Central process unit (3) increases an address code 6 for displacement information data D front, becomes (address code 6+ displacement data information D), and the address code 6 in each displacement information module is identical.
In the present invention, (address code 1+ clock information data)+(address code 2+ geographical location information data)+(address code 3+ displacement information data A)+(address code 4+ displacement data information B)+(address code 5+ displacement information data C)+(address code 6+ displacement information data D) is referred to as the displacement information data.Clock information data wherein and geographical location information data are to embody the when and where that displacement information takes place.
In the present invention, (address code 1+ clock information data), (address code 2+ geographical location information data), (address code 3+ displacement information data A), (address code 4+ displacement data information B), (address code 5+ displacement information data C), (address code 6+ displacement information data D) are arranged side by side in central process unit (3) lining.
3.5.3. the output of the displacement information data that this displacement information module produces
The displacement information data that this displacement information module produces, the terminal that need be transferred to the train scheduling chamber receives in the telltale, must make this displacement information module enter the mode of operation that inserts transmission mode midway.
The engineering factor and the method that this displacement information module are entered insert the transmission mode mode of operation midway are:
Displacement information data A, the displacement information data B that central process unit (3) constantly produces displacement pickup, the data of displacement information data C, displacement information data D are carried out monitoring rate, as long as any one displacement information data changes, central process unit (3) changes the mode of operation of this displacement information module immediately, this displacement information module is entered insert the transmission mode state midway.Central process unit (3) begins to read the displacement information data.The order of central process unit (3) series read-out displacement information data is (address code 1+ clock information data)+(address code 2+ geographical location information data)+(address code 3+ displacement information data A)+(address code 4+ displacement information data B)+(address code 5+ displacement information data C)+(address code 6+ displacement information data D).Central process unit (3) is given the displacement information module of back the displacement information data transmission.After the displacement information data were read and finished, this displacement information module returned to unidirectional straight-through transmission mode state immediately.When new variation took place any one displacement information data in this displacement information module, the displacement information module entered again and inserts the transmission mode state midway.Repetitive cycling like this.
3.6. the connection mode of displacement information module
Each railroad track displacement information measurement point is installed a displacement information module, and the displacement information module of each measurement point is connected in series, and this terminal that always is connected to the train scheduling chamber that is connected in series receives in the telltale.
3.7. the actual formation of displacement information module
In accompanying drawing 1, only be in order to describe principle of work of the present invention in detail, Cai this separately is depicted as the apperance shown in the accompanying drawing 1 to random access memory (2), central process unit (3), read-only memory (ROM) (5).And all include random access memory (2), central process unit (3), read-only memory (ROM) (5) function in the now general micro controller system, therefore, the random access memory (2) in the actual formation of displacement information module, central process unit (3), read-only memory (ROM) (5) only need a slice singlechip chip just can satisfy technical requirements of the present invention.
4. terminal receives telltale
The displacement information data transmission receives in the telltale to the terminal of train scheduling chamber.Central process unit calculation process through terminal reception telltale reaches following purposes:
4.1. store whole displacement information data, as the scientific basis of Railway Design, construction, operation, maintenance, settlement of accident.
4.2. show or printing railroad track dynamic displacement, the big or small level data of static displacement and the when and where of generation railroad track displacement.Means as the monitoring railway operation.
4.3. when the numerical value of railroad track dynamic displacement, static displacement surpasses normal allowed band, send alerting signal automatically.
4.4. the purposes of geographical location information data
4.4.1. judge the character of displacement information according to the variation of geographical location information data
4.4.1.1. under the changing situation of geographical location information data, the displacement information that obtains is: the dynamic displacement information that railroad track under the situation that train passes through is arranged.
4.4.1.2. under the situation that geographical location information data does not change, the displacement information that obtains is railroad track generation sedimentation, inclination, or train arrival, train temporary term stop cause.
4.4.2., calculate and note the speed of train driving according to the time that different geographical location information data occurs.Processing foundation as the train joy riding.
4.4.3., determine the exact location of train driving according to geographical location information data, effectively reduce the spacing distance between the equidirectional train, improve railway operation efficient.
4.4.4., determine the sedimentation of railway generation track, bevelled exact location according to geographical location information data.Be convenient to the repairing of timely establishment officer.
4.4.5., determine the exact location that railway has an accident according to geographical location information data.Being convenient to timely establishment officer speedily carries out rescue work.
4.5. displacement information data comparison each other
(address code 3+ displacement information data A) by same geographical location information compares with the calculating of (address code 5+ displacement information data C), obtains the direction of tilt in this highway section of railroad track, the degree of dip data.
4.6. the comparison between displacement data and the historical record data
4.6.1., obtain this highway section railroad track settling data by (the address code 3+ displacement digital code information A) and (address code 5+ displacement information data C) of same geographical location information and the historical data comparison in this highway section of the terminal reception telltale preservation of train scheduling chamber.
4.6.2., obtain this highway section railroad track cross travel data by (the address code 4+ displacement information data B) and (address code 6+ displacement information data D) of same geographical location information and the historical record data comparison in this highway section of the terminal reception telltale preservation of train scheduling chamber.
5. Practical significance of the present invention
5.1. solved the kinetic measurement difficult problem of bullet train to the railroad track shock effect, the present invention is especially to high-speed railway Design, construction, operation, maintenance have great significance.
5.2. solved the static state monitoring difficult problem of railroad track and railway bed, the present invention especially to pass through barren hill, The static monitoring of the railway in depopulated zone has great significance.
Claims (4)
1. express railway rail safety automatic measure monitoring technology; It receives telltale by gauge reference target stake, displacement information module, terminal and forms; It is characterized in that: the gauge reference target of railroad track displacement is the gauge reference target stake.
2. express railway rail safety automatic measure monitoring technology according to claim 1; Its displacement information module is made up of constant voltage power suspply (1), random access memory (2), central process unit (3), clock circuit (4), read-only memory (ROM) (5), displacement pickup A (6), displacement pickup B (7), displacement pickup C (8), displacement pickup D (9); It is characterized in that: the displacement information data of railroad track are to rely on displacement pickup A (6), the displacement pickup B (7), displacement pickup C (8), the displacement pickup D (9) that are installed in the gauge reference target stake to measure, be to rely on displacement pickup to measure relative displacement data between railroad track and the gauge reference target stake, come sedimentation, the inclined degree of analysis and judgement railroad track.
3. express railway rail safety automatic measure monitoring technology according to claim 1; It is characterized in that: the displacement information data of railroad track are to rely on the transmission of displacement information module.
4. express railway rail safety automatic measure monitoring technology according to claim 1; It is characterized in that: the terminal of displacement information data transmission is that the terminal of train scheduling chamber receives telltale, and terminal receives dynamic displacement information and the static displacement information that telltale received, stores, showed railroad track.
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Cited By (11)
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| CN101239623B (en) * | 2008-03-11 | 2010-06-09 | 北京佳讯飞鸿电气股份有限公司 | Railway safe driving system based on routing self-adaption wireless network |
| CN101899845A (en) * | 2010-04-07 | 2010-12-01 | 西南交通大学 | High-speed railway settlement monitoring technology |
| CN101954916A (en) * | 2010-09-06 | 2011-01-26 | 耿直 | Track on-line monitoring method and track on-line monitoring system |
| CN102372012A (en) * | 2010-08-11 | 2012-03-14 | 株式会社东芝 | Train Control Device And Overground Device |
| CN103419812A (en) * | 2013-09-04 | 2013-12-04 | 中国人民解放军国防科学技术大学 | Rail subgrade settlement measuring method based on combination of camera shooting, satellite and inertia measurement |
| CN104309640A (en) * | 2014-09-29 | 2015-01-28 | 中国神华能源股份有限公司 | Power performance detection device and system for railway subgrade |
| CN105517874A (en) * | 2013-09-06 | 2016-04-20 | 新日铁住金株式会社 | Method for measuring track state using in-operation car, and in-operation car for measuring track state |
| CN106043355A (en) * | 2016-06-28 | 2016-10-26 | 中国人民解放军国防科学技术大学 | High-precision camera shooting measuring method for detecting sedimentation and pose of railway detecting vehicle |
| CN107941197A (en) * | 2017-11-20 | 2018-04-20 | 重庆交通职业学院 | System is monitored and controlled in layer distributed remote rail subgrade settlement deformation in real time |
| CN109764795A (en) * | 2018-12-28 | 2019-05-17 | 湖南北斗星空自动化科技有限公司 | High-speed railway track plate arch automatic monitoring system based on NB-iot |
| CN110485222A (en) * | 2019-07-29 | 2019-11-22 | 中国铁路总公司 | A kind of dynamic data inversion method and device |
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| CN101239623B (en) * | 2008-03-11 | 2010-06-09 | 北京佳讯飞鸿电气股份有限公司 | Railway safe driving system based on routing self-adaption wireless network |
| CN101899845A (en) * | 2010-04-07 | 2010-12-01 | 西南交通大学 | High-speed railway settlement monitoring technology |
| CN101899845B (en) * | 2010-04-07 | 2012-11-07 | 西南交通大学 | High-speed railway settlement monitoring technology |
| CN102372012A (en) * | 2010-08-11 | 2012-03-14 | 株式会社东芝 | Train Control Device And Overground Device |
| CN102372012B (en) * | 2010-08-11 | 2014-08-20 | 株式会社东芝 | Train Control Device And Overground Device |
| CN101954916A (en) * | 2010-09-06 | 2011-01-26 | 耿直 | Track on-line monitoring method and track on-line monitoring system |
| CN101954916B (en) * | 2010-09-06 | 2012-04-18 | 耿直 | Track on-line monitoring method and track on-line monitoring system |
| CN103419812B (en) * | 2013-09-04 | 2015-09-30 | 中国人民解放军国防科学技术大学 | A kind of method of rail subgrade settlement measurement based on shooting and satellite and IMU |
| CN103419812A (en) * | 2013-09-04 | 2013-12-04 | 中国人民解放军国防科学技术大学 | Rail subgrade settlement measuring method based on combination of camera shooting, satellite and inertia measurement |
| CN105517874B (en) * | 2013-09-06 | 2017-07-21 | 新日铁住金株式会社 | The vehicle in use of the method that the state of track is determined using vehicle in use and the state for determining track |
| CN105517874A (en) * | 2013-09-06 | 2016-04-20 | 新日铁住金株式会社 | Method for measuring track state using in-operation car, and in-operation car for measuring track state |
| CN104309640A (en) * | 2014-09-29 | 2015-01-28 | 中国神华能源股份有限公司 | Power performance detection device and system for railway subgrade |
| CN106043355A (en) * | 2016-06-28 | 2016-10-26 | 中国人民解放军国防科学技术大学 | High-precision camera shooting measuring method for detecting sedimentation and pose of railway detecting vehicle |
| CN107941197A (en) * | 2017-11-20 | 2018-04-20 | 重庆交通职业学院 | System is monitored and controlled in layer distributed remote rail subgrade settlement deformation in real time |
| CN109764795A (en) * | 2018-12-28 | 2019-05-17 | 湖南北斗星空自动化科技有限公司 | High-speed railway track plate arch automatic monitoring system based on NB-iot |
| CN110485222A (en) * | 2019-07-29 | 2019-11-22 | 中国铁路总公司 | A kind of dynamic data inversion method and device |
| CN110485222B (en) * | 2019-07-29 | 2020-11-27 | 中国铁路总公司 | Dynamic data inversion method and device |
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