CN102561118B - Quick fine tuning method for ballastless track of high-speed rail based on track deviation - Google Patents
Quick fine tuning method for ballastless track of high-speed rail based on track deviation Download PDFInfo
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- CN102561118B CN102561118B CN201110418953.6A CN201110418953A CN102561118B CN 102561118 B CN102561118 B CN 102561118B CN 201110418953 A CN201110418953 A CN 201110418953A CN 102561118 B CN102561118 B CN 102561118B
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Abstract
The invention provides a quick fine tuning method for a ballastless track of the high-speed rail based on track deviation, comprising the following steps of: correlating track smoothness data recorded by a track inspection tester with a track slab ID (identity); modeling track deviation of the ballastless track of the high-speed rail; and carrying out iteration solution on the integrated positive quantity of the ballastless track of the high-speed rail. After the method is used, the track deviation can be quickly, comprehensively and exactly tested by the track inspection tester, the recovery of the smoothness of the ballastless track of the high-speed rail is taken as a target, and the iteration solution is built, so that the numerical solution of the integrated positive quantity under an inertial coordinate system can be obtained. The method is capable of realizing integrative optimization for the smoothness of the track, free from the information of an external label, high in measurement efficiency and solution efficiency, and good in track slab ID positioning capability, thereby being suitable for the quick fine tuning and the routine servicing of the ballastless track of the high-speed rail.
Description
Technical field
The present invention relates to a kind of rail smooth control algolithm based on trajector deviation data, it directly applies to quick accurate adjustment and the regular maintenance of ballastless track of high-speed railway.
Background technology
In view of features such as the high stable of non-fragment orbit, high smooth-going and low maintenances, in < < Design of High-speed Railway standard > >, advise, high-speed railway rail structure should adopt seamless, ballastless track structure completely.But meanwhile, non-fragment orbit is as a kind of new track structure, have very strong tentative.By laying, use at Beijing-Tianjin, military wide, Zheng Xi and the high-speed railway such as Beijing-Shanghai, China has obtained certain achievement at aspects such as track laying, completions, formed technical system with Chinese characteristics.Yet for the ride comfort of high ferro non-fragment orbit, the whole positive technology that there is no at present mature and reliable is controlled, this will threaten the safe operation of high ferro.
The whole positive target of track geometry is in order to recover the design point of track, as position, line style and ride comfort etc.About the whole positive technology (take plane as example) of concrete circuit track geometry, current known rail smooth control algolithm is that the rope based on involute theory is executed the coordinate method that (versed sine method), method of deflection angle and the total powerstation of take are core.These three class methods are all to adopt analytic method to try to achieve closed solution under local coordinate system or engineering coordinate system, have comparatively strict fringe conditions, exist applicability problem.
< < railway line maintenance Regulation G reatT.GreaT.GT > regulation, 3 in Curve Segment rail when bad, can execute measurement, calculate and just pull out with rope.The rope basic principle of executing, is to utilize the relation between each point versed sine and curvature on curve, by correcting versed sine, calculates the amount of dialling, the circuit that sets right (seeing following formula)
Wherein
e n for
nthe adjustment amount of point;
fwith
f＇ is actual measurement versed sine and plan versed sine.
Rope is executed and is measured conveniently, is suitable for workshop, teams and groups' routine servicing maintenance use, but the method is set right, precision is low, easily produces gooseneck boom; Method of deflection angle is mainly used in the medium-capital overhauling of bulk solid track, and operating process is simple, but due to the interference of train operation, and actual and theoretical existence is difficult to the contradiction that is in harmonious proportion, and the error of setting right is larger; And rope is executed with method of deflection angle all based on theory of involute, due to involute calculate exist tired and, mean that the increase error along with mileage can constantly increase, be difficult to guarantee to grow up ride comfort.In view of the high ride of high-speed railway rail and the particularity of structure, above two class methods are all not suitable for application in high-speed railway rail maintenance.
Coordinate method is to take total powerstation as core, the resection of putting by CP III, by the accurate elevation/plane deviation of the geodetic coordinates inverse total powerstation value of CP III stake, and adopt the engineering coordinate of each point in method of polar coordinates acquisition station, by the grid deviation comparing between Measured Coordinates and design coordinate, obtain whole positive quantity (seeing following formula), thereby recover the whole correction method of circuit geometric parameter.
Wherein,
e i for
ithe adjustment amount of point;
x i with
y i on circular curve
ithe coordinate of point;
rfor circular curve radius;
v xi ,
v yi for
ipoint edge
xdirection with
ythe deviate of direction;
αwith
β i be respectively on straightway azimuth and easement curve
ipoint deflection angle.
Due to the special track structure of non-fragment orbit, traditional foster repairing opinion is difficult to be suitable for technology.Under solid concrete roabed condition, 08, the 09 serial tamping car of China etc. cannot carry out comprehensive maintenance to high ferro.And according to artificial maintenance technology visual, that string is surveyed data, principle, cannot guarantee to keep in repair rear homework precision, and even causing geometric position substantial deviation, it is flagrant that this high ride for high ferro requires.
At present, scheme is to adopt total powerstation comparatively reliably, utilizes the precise orbit determination of CP III " resection " net to measure track absolute coordinate, carries out track just whole according to coordinate method.This technique be take total powerstation as measurement core, take that to control orbit coordinate position be object, its technology is relatively ripe, whole positive principle is distinct, and the whole positive ability that possesses part long wave irregularity, but its operating efficiency low (≤600m/d), environmental suitability poor (responsive to temperature, illumination and wind speed), construction cost high (≥ $15000/km).In addition, the nominal accuracy of absolute measurement is error≤1 in orientation measurement ", mean square distance error≤1mm+2ppm, mean that within the scope of intermediate waves this technique is difficult to meet the ride comfort requirement of high ferro non-fragment orbit.
In view of recovering the object of line design position and be to guarantee the high ride of high ferro circuit, explore low cost, the quick whole normal operation method of round-the-clock, high efficiency high speed railway track track geometry based on rail smooth and be technology may, be also requirement of engineering.Rail checking instrument (rail inspection instrument) is also automatically to record the portable railway checkout equipment of standard gage railway orbit geometry parameter by electronics, sensing technology static measurement, wherein, 0 grade of rail inspection instrument utilizes inertance element, can accurately record plane, the elevation trajector deviation of inertial coordinate lower railway and also can calculate the ride comfort of track.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, propose a kind of quick fine adjusting method of high ferro non-fragment orbit based on trajector deviation.
The present invention is achieved by the following technical solutions.
(1) the rail smooth data that rail checking instrument records are associated with track plates ID's.
(2) the trajector deviation modeling of high ferro non-fragment orbit.
Adopt mid point string to survey the trajector deviation of model definition high ferro non-fragment orbit,
（1）
Wherein,
v ifor
ithe track irregularity of point, the mm of unit;
f ifor
ithe track geometry of the orbit plane normal direction of point, the mm of unit;
ifor orbit plane tangential position,
i=0,1,2,
n-1.
Order
And order
Formula (1) is write vector form
（2）
Obviously, under the condition of circuit control point accurate positioning, when the whole positive design object value of plane
vknown, whole positive problem is converted into
v=
aFsolve
fproblem.
(3) iterative solution method of the whole positive quantity of high ferro non-fragment orbit.
Matrix
apositive definite symmetrical matrix and diagonal dominance, to iteration convergence, known, can be according to ride comfort state matrix
vobtain location matrix
fnumerical solution.
Described whole positive quantity iterative algorithm, comprises
k=0，1，…… （3）
Wherein
f (
k)
be track deviation sequence vector to be asked,
bfor Iterative Matrix,
vfor ride comfort state matrix, iterative algorithm comprises the accelerating algorithm of Gauss-Saden that (Gauss-Seidel) iterative method, overrelaxation (SOR) iterative method, newton's (Newton) iterative method and said method.
The deviation of calculating iteration front and back track, can obtain adjustment amount
（4）
Iterative algorithm of the present invention can be automatic calculating, can be also manual calculations.
The present invention utilizes rail checking instrument to detect fast, comprehensively and accurately the ability of track trajector deviation, and the ride comfort that recovers high ferro non-fragment orbit of take is target, and structure iterative solution method obtains the numerical solution of the whole positive quantity under local coordinate system.The method global optimization rail smooth, and without the information of trappings thing, measures with to resolve efficiency high, is applicable to quick accurate adjustment and the routine servicing of high ferro non-fragment orbit.
Accompanying drawing explanation
Accompanying drawing 1 is rail inspection instrument data acquisition and the operation associated flow process of track plates ID.
Accompanying drawing 2 is adjustment amount calculating operation flow process.
The specific embodiment
The present invention will be described further by following examples.
Embodiment 1.
Rail smooth data are associated with high ferro ballastless track boards, as shown in Figure 1, according to circuit data, set up sleeper list lead in track inspection instrument, after system initialization, input No. ID, current track plates; Then carry out rail inspection instrument, acquisition trajectory ride comfort data also record mileage automatically; Data acquisition is finished, and No. ID, input terminal track plates, recalculates each mileage respective carter plate ID, as shown in Equation 5.
The present embodiment is on the track ride comfort data of processing rail checking instrument record are associated with high ferro ballastless track boards, can utilize high ferro non-fragment orbit circuit data and rail checking instrument mark function, automatically that No. ID, the rail smooth data of rail checking instrument record and track plates is associated, its principal character comprises: according to circuit data, by rail checking instrument origin and destination, indicate, utilize the method for arithmetic average, obtain the relevance method that track checks data and track plates ID.
（5）
Wherein, ID
(
i)
for No. ID, current track plates,
i=0,1 ..., n; ID
(0), ID
(
n)
for No. ID, origin and destination track plates;
s (
i)
for implementation mileage corresponding to current track plates ID,
i=0,1 ..., n;
s (0),
s (
n)
for implementation mileage corresponding to origin and destination track plates ID.
Embodiment 2.
Adjustment amount calculates, and first according to circuit data, obtains the desired value of rail smooth sexual state, and ride comfort data to be imported are in Iterative Matrix (as shown in Equation 3), calculates the grid deviation under the inertial coordinate of track.
Computational process describes as shown in Figure 2 and with Gauss-Seidel iteration,
Wherein,
f i (
k)
it is mileage position
iplace the
kcoordinate under the inertial coordinate of inferior iteration.Iterative computation converges on
f i *.Result substitution formula 4, can obtain mileage position
ithe adjustment amount reference value at place.
Claims (3)
1. the quick fine adjusting method of high ferro non-fragment orbit based on trajector deviation, is characterized in that following these steps to:
(1) the rail smooth data that rail checking instrument records are associated with track plates ID's;
(2) the trajector deviation modeling of high ferro non-fragment orbit;
Adopt mid point string to survey the trajector deviation of model definition high ferro non-fragment orbit:
（1）
Wherein,
v ifor
ithe track irregularity of point, the mm of unit;
f ifor
ithe track geometry of the orbit plane normal direction of point, the mm of unit;
ifor orbit plane tangential position,
i=0,1,2,
n-1;
Order
And order
Formula (1) is write vector form
（2）
Obviously, under the condition of circuit control point accurate positioning, when the whole positive design object value of plane
vknown, whole positive problem is converted into
v=
aFsolve
fproblem;
(3) iterative solution method of the whole positive quantity of high ferro non-fragment orbit:
Matrix
apositive definite symmetrical matrix and diagonal dominance, to iteration convergence, known, can be according to ride comfort state matrix
vobtain location matrix
fnumerical solution;
Described whole positive quantity iterative algorithm, comprises
，
k=0，1，…… （3）
Wherein
f (
k)
be track deviation sequence vector to be asked,
bfor Iterative Matrix,
vfor ride comfort state matrix, iterative algorithm comprises the accelerating algorithm of Gauss-Saden that (Gauss-Seidel) iterative method, overrelaxation (SOR) iterative method, newton's (Newton) iterative method and said method;
The deviation of calculating iteration front and back track, can obtain adjustment amount
（4）。
2. the quick fine adjusting method of high ferro non-fragment orbit based on trajector deviation according to claim 1, the rail smooth data that it is characterized in that described rail checking instrument record comprise with the associated of track plates ID: according to circuit data, by rail checking instrument origin and destination, indicate, utilize the method for arithmetic average, obtain the relevance that track checks data and track plates ID:
Wherein, ID
(
i)
for No. ID, current track plates (
i=0,1 ..., n), ID
(0), ID
(
n)
for No. ID, origin and destination track plates,
s (
i)
for implementation mileage corresponding to current track plates ID (
i=0,1 ..., n),
s (0),
s (
n)
for implementation mileage corresponding to origin and destination track plates ID.
3. the quick fine adjusting method of high ferro non-fragment orbit based on trajector deviation according to claim 1, is characterized in that described iterative algorithm is for automatically calculating or manual calculations.
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| CN102561118B true CN102561118B (en) | 2014-07-16 |
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| CN102815319B (en) * | 2012-07-27 | 2016-03-30 | 江西日月明测控科技股份有限公司 | The method of measurement of Non-contact type sleeper identification measurement mechanism |
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| CN106952056A (en) * | 2017-04-19 | 2017-07-14 | 中铁四局集团有限公司 | Management system of plate-type ballastless track plate |
| CN107700280B (en) * | 2017-09-19 | 2019-06-28 | 中铁第一勘察设计院集团有限公司 | Existing double railway lines line position reconstructing method |
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| CN110541329B (en) * | 2019-08-13 | 2022-02-18 | 中铁六局集团有限公司 | Construction method of ballastless track of heavy haul railway tunnel group |
| CN110644292B (en) * | 2019-10-10 | 2021-05-11 | 同济大学 | Spring vibration isolator jacking method for floating slab track |
| CN113123184B (en) * | 2020-01-15 | 2022-11-18 | 西安悦创测绘技术有限公司 | Method for calculating simulation adjustment quantity of ballastless track of high-speed railway |
| CN113123183A (en) * | 2020-01-15 | 2021-07-16 | 西安悦创测绘技术有限公司 | Research on fine adjustment technical method of ballastless track of high-speed railway |
| CN112100929B (en) * | 2020-11-09 | 2021-01-29 | 西南交通大学 | Dynamic fine adjustment method for track based on particle swarm algorithm |
| CN113283277A (en) * | 2021-01-06 | 2021-08-20 | 金鹰重型工程机械股份有限公司 | Automatic detection control method for track irregularity for railway tamping car |
| CN118094797A (en) * | 2024-01-17 | 2024-05-28 | 西南交通大学 | High-speed railway track fine tuning optimization method considering multi-chord constraint |
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Address after: 330029 No. 5, 966 hi tech Road, hi tech Industrial Development Zone, Jiangxi, Nanchang, China Patentee after: JIANGXI EVERBRIGHT MEASUREMENT AND CONTROL TECHNOLOGY CO., LTD. Address before: 330029 No. 5, 966 hi tech Road, hi tech Industrial Development Zone, Jiangxi, Nanchang, China Patentee before: Jiangxi Everbright Railway Equipment Development Co., Ltd. |