CN116905297B - Dislocation track homing method, dislocation track homing device, dislocation track homing equipment and readable storage medium - Google Patents
Dislocation track homing method, dislocation track homing device, dislocation track homing equipment and readable storage medium Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/04—Lifting or levelling of tracks
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B33/00—Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/08—Investigation of foundation soil in situ after finishing the foundation structure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
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Abstract
The application provides a dislocation track homing method, device, equipment and readable storage medium, relating to the technical field of track deviation monitoring, comprising the steps of setting a plurality of monitoring points on two sides of a track in a sliding zone, and installing a pushing device at the monitoring points; installing a monitoring assembly on the roadbed of the track; acquiring acceleration data and image data of a monitoring point, and determining the moment of track deviation according to the acceleration data; dividing an initial image and an offset image when the track is reset from the image data according to the track offset moment, and comparing the initial image with the offset image to obtain track offset data; and moving the track by using the pushing device according to the adjustment scheme to return the track. The application is used for solving the technical problem that no technology in the prior art can be used for judging whether the track is deviated or not and returning the track after the track is deviated.
Description
Technical Field
The present application relates to the field of track offset monitoring technology, and in particular, to a method, apparatus, device and readable storage medium for homing a dislocated track.
Background
Under the dislocation action of the running and sliding fault, certain deflection occurs to the railway and the track, so that the smoothness of the track is not maintained. In the running process of the high-speed train, the track irregularity can cause the track irregularity to increase the wheel track effect, so that the noise generated in the running process is overlarge, and the breakage of the steel rail, the wheel and the shaft can be possibly caused to occur, so that the derailment event is caused. At present, the track deviation is monitored mainly by adopting a fiber bragg grating technology and a video sensing technology, compared with the fiber bragg grating technology, the video sensing technology has good robustness to illumination, bad weather and the like, is relatively suitable for a relatively severe environment, and can realize relatively excellent data acquisition in a running and sliding fault moving range. However, after the data acquisition is completed, no technology is available to determine whether the track is shifted and how to return the track after the track is shifted.
Disclosure of Invention
It is an object of the present application to provide a method, apparatus, device and readable storage medium for homing of a dislocated track, which ameliorates the above-mentioned problems. In order to achieve the above purpose, the technical scheme adopted by the application is as follows:
in a first aspect, the present application provides a method for homing a dislocated track, comprising:
setting a plurality of monitoring points on two sides of a track in a sliding zone, and installing a pushing device at the monitoring points;
installing a monitoring assembly on the roadbed of the track, wherein the monitoring assembly is used for collecting acceleration data and image data of each monitoring point in real time;
acquiring acceleration data and image data of a monitoring point, and determining the moment of track deviation according to the acceleration data;
dividing an initial image and an offset image when the track is reset from the image data according to the track offset moment, and comparing the initial image with the offset image to obtain the track offset data;
calculating to obtain an adjustment scheme of the track according to the offset data of the track; and moving the track by using the pushing device according to the adjustment scheme to return the track.
In a second aspect, the present application also provides a homing device for a dislocated rail, comprising:
and a monitoring module: setting a plurality of monitoring points on two sides of a track in a sliding zone, and installing a pushing device at the monitoring points;
and a data acquisition module: installing a monitoring assembly on the roadbed of the track, wherein the monitoring assembly is used for collecting acceleration data and image data of each monitoring point in real time;
and a judging module: acquiring acceleration data and image data of a monitoring point, and determining the moment of track deviation according to the acceleration data;
and a comparison module: dividing an initial image and an offset image when the track is reset from the image data according to the track offset moment, and comparing the initial image with the offset image to obtain the track offset data;
and an adjustment module: calculating to obtain an adjustment scheme of the track according to the offset data of the track; and moving the track by using the pushing device according to the adjustment scheme to return the track.
In a third aspect, the present application also provides a homing device for a dislocated rail, comprising:
a memory for storing a computer program;
and a processor for implementing the steps of the dislocation method of the dislocation track when executing the computer program.
In a fourth aspect, the present application also provides a readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the above-described dislocation track-based homing method.
The beneficial effects of the application are as follows:
according to the application, intelligent monitoring can be implemented on the track deflection by installing the monitoring component, the acceleration data and the image data of the monitoring points on the track are collected in real time, whether the track is deflected or not is obtained by analyzing the acceleration data, and the image data before and after the track is deflected are compared to determine the track deflection data.
According to the application, the pushing devices are arranged on two sides of the track, the adjustment scheme of the track is determined according to offset data obtained by early monitoring, the track is lifted up by the pushing devices, the designated direction in the adjustment scheme is translated, and the retired device and the track are synchronously pressed down by the jack, so that the track is reset.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for homing a dislocation track according to an embodiment of the present application;
FIG. 2 is a schematic view of a pushing device according to an embodiment of the present application;
FIG. 3 is a schematic view illustrating the installation of a pusher device according to an embodiment of the present application;
FIG. 4 is a Hilbert marginal spectrum according to an embodiment of the present application;
FIG. 5 is a diagram of the relationship between the positions of the monitoring points and the offset points according to the embodiment of the present application;
FIG. 6 is a schematic diagram of a homing device for a dislocation track according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a homing device for a dislocation track according to an embodiment of the present application. The marks in the figure:
1. a lateral pushing supporting structure; 2. a jacking supporting structure; 3. a transverse displacement fixing support rod; 4. a folding telescopic rod; 5. a first automatic push rod; 6. a second automatic push rod; 7. a track; 8. roadbed;
800. a homing device for the dislocated rail; 801. a processor; 802. a memory; 803. a multimedia component; 804. an I/O interface; 805. a communication component.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Example 1:
the embodiment provides a method for homing a dislocation track.
Referring to fig. 1-5, the method is shown to include:
s1, setting a plurality of monitoring points on two sides of a track 7 in a sliding fault zone, and installing a pushing device at the monitoring points;
firstly, the railway roadbed in the running fault zone is required to be arranged into a movable plate type structure, the length of the roadbed is similar to the width of the dislocation zone, and fixed contact parts with the ground are arranged at the left side and the right side of the roadbed so as to prevent left and right deflection under the action of the circulating load of the train, thus being convenient for realizing the smoothness recovery adjustment of the roadbed or the track 7 under the condition of running and sliding dislocation.
In the embodiment, the distance between two adjacent monitoring points is 2m, and 4 monitoring points are respectively arranged on one side of the track.
Specifically, referring to fig. 2 and 3, the pushing device includes a lateral pushing supporting structure 1, and an jacking supporting structure 2 is disposed on one side of the lateral pushing supporting structure 1; a transverse displacement fixing support rod 3 is arranged below the transverse pushing supporting structure 1, and the transverse displacement fixing support rod 3 is inserted into the ground; the middle part of the horizontal pushing supporting and retaining structure 1 is also provided with a folding telescopic rod 4 and a first automatic push rod 5, and the folding telescopic rod 4 and the first automatic push rod 5 stretch out and draw back along the horizontal direction.
Specifically, the jacking supporting structure 2 is provided with a second automatic push rod 6, and the second automatic push rod 6 stretches and contracts vertically.
Specifically, the side of the horizontal pushing supporting structure 1, on which the jacking supporting structure is not arranged, is fixedly connected with the roadbed 8 through an anchor bolt.
Based on the above embodiment, the method further includes:
s2, installing a monitoring assembly on the roadbed of the track, wherein the monitoring assembly is used for collecting acceleration data and image data of each monitoring point in real time;
specifically, the monitoring assembly comprises an acceleration sensor group and an image collector, wherein the acceleration sensor group is used for collecting acceleration data, and the image collector is used for collecting image data.
In this embodiment, since the current acceleration sensor does not have an automatic frequency conversion function, in order to reduce energy consumption, a group of acceleration sensor groups includes a low-frequency acceleration sensor and a high-frequency acceleration sensor, where the acquisition frequency of the low-frequency acceleration sensor is 100Hz, and the low-frequency acceleration sensor is used for daily acquisition, so that consumption of electric power and memory can be reduced; the acquisition frequency of the high-frequency acceleration sensor is 1000Hz, belongs to high-frequency acquisition, is suitable for various modes such as earthquake, walk-slip fault dislocation and the like, and is in a standby state under normal conditions. When the peak value of the low-frequency acceleration sensor reaches the threshold value, the high-frequency acceleration sensor is started. The signal amplitude of the acceleration data is smaller when the daily train passes or is not subjected to other external dynamic loads; when the fault dislocation occurs, the signal amplitude of the acceleration data is suddenly changed and is far greater than the normal acceleration data signal amplitude.
Based on the above embodiment, the method further includes:
s3, acquiring acceleration data and image data of the monitoring points, and determining the moment of track deviation according to the acceleration data;
specifically, the step S3 includes:
s31, when the acceleration data are high-frequency acceleration data, empirical mode decomposition is carried out on the acceleration data to obtain a plurality of intrinsic mode functions; performing Hilbert transformation on the inherent mode functions to obtain an instantaneous frequency spectrum of each inherent mode function;
specifically, the acceleration data is subjected to an empirical mode decomposition (Empirical Mode Decomposition, EMD) into a plurality of intrinsic mode functions (Intrinsic Modal Function, IMF);
performing Hilbert transformation on the obtained multiple IMF components to obtain an instantaneous frequency spectrum of each IMF component;
s32, adding the instantaneous frequency spectrums of all the inherent mode functions to obtain a Hilbert spectrum;
；（1）
in the method, in the process of the application,representing instantaneous amplitude +.>Representing the instantaneous frequency, re representing the real part of the negative, < +.>Representing a complex function.
S33, performing time integration on the Hilbert spectrum to obtain a Hilbert marginal spectrum；The method comprises the steps of carrying out a first treatment on the surface of the In the formula (2), T represents the total length of the time series.
S34, judging whether the track is subjected to sliding fault dislocation or not according to the frequency spectrum range of the Hilbert marginal spectrum:
if yes, taking the moment of occurrence of the sliding fault dislocation as the moment of track deviation;
under normal conditions, the marginal spectrum shows a wider frequency spectrum range and a relatively uniform amplitude, and when an earthquake or a walk fault is generated, the marginal spectrum shows a narrower frequency spectrum range and a very obvious amplitude fluctuation phenomenon because of the influence of great power, and the frequency spectrum range in the diagram obviously fluctuates and exceeds a preset threshold value, so that the occurrence of the earthquake or the walk fault can be judged.
Based on the above embodiment, the method further includes:
s4, dividing an initial image and an offset image when the track is reset from the image data according to the track offset moment, and comparing the initial image with the offset image to obtain the track offset data;
specifically, referring to fig. 5, the step S4 includes:
s41, acquiring a horizontal scale of the position of the monitoring point in an initial image;
specifically, the width of the steel rail at the position of the monitoring point in the initial image is utilized, and the horizontal scale of the position of the monitoring point is obtained through calculation with the actual width of the steel rail;；（3）
in the method, in the process of the application,represents a horizontal scale, ++>Representing the actual width of the rail->Representing the width of the rail in the initial image.
S42, determining a point on the steel rail as an origin O, and taking a vertical line with the origin;
s43, connecting the monitoring point A with the origin in the original image to obtain a first connecting lineFirst wire->An included angle with the vertical line is->；
S44, taking the monitoring point in the offset image as an offset point B, and connecting the offset point B with an origin O in the offset image to obtain a second connecting lineSecond connection->An included angle with the vertical line is->；
S45, projecting the offset point to the vertical line to obtain a projection point B ', and calculating a first horizontal distance from the projection point B' to the first connecting lineAnd a second horizontal distance +.>；
Wherein,；
；
in particular，Wherein->Representing the width of the image at the origin.
S46, calculating according to the first horizontal distance, the second horizontal distance and the horizontal scale to obtain the offset amplitude and the offset direction of the monitoring point, and obtaining the offset data of the monitoring point;
specifically, the offset amplitude in the offset image is calculated：/>；（4）
The offset amplitude in the offset imageConversion to the actual offset amplitude->：/>；（5）
Meanwhile, the offset point is judged to be positioned on the left side or the right side of the monitoring point, and if the offset point is positioned on the left side of the monitoring point, the offset direction is left.
Based on the above embodiment, the method further includes:
s5, calculating to obtain an adjustment scheme of the track according to the offset data of the track; and moving the track by using the pushing device according to the adjustment scheme to return the track.
Specifically, the step S5 includes:
s51, taking the opposite direction of the offset direction as the direction to be adjusted;
s52, acquiring the weight of the track and the number of pushing devices;
in this embodiment, let the weight of the track be M and the number of pushing devices be 8;
s53, calculating first power required by the lifting track of each pushing device according to the weight of the track, the number of pushing devices and the preset lifting height；/>；（6）
In the method, in the process of the application,representing a preset lifting height
S54, calculating to obtain second power required by transversely pushing the track according to the weight and the offset amplitude of the track；；（7）
Based on the above embodiment, the method further includes:
s6, moving the track by using a pushing device according to the adjustment scheme to return the track;
specifically, the step S6 includes:
s61, applying first power to the pushing devices to enable the pushing devices arranged at two ends of the track to lift the track to a preset lifting height;
s62, applying second power to the pushing devices, enabling the pushing devices arranged at two ends of the track to translate the track to the direction to be adjusted, and enabling the track to return;
s63, adopting a jack to press the track and the pushing device down to the original horizontal height.
Example 2:
as shown in FIG. 6, the present embodiment provides a homing device for a dislocated rail, the device comprising
And a monitoring module: the device comprises a rail, a plurality of monitoring points, a pushing device and a pushing device, wherein the rail is positioned in a sliding zone;
and a data acquisition module: the monitoring assembly is used for collecting acceleration data and image data of each monitoring point in real time;
and a judging module: the method comprises the steps of acquiring acceleration data and image data of a monitoring point, and determining the moment of track deviation according to the acceleration data;
and a comparison module: the method comprises the steps of dividing an initial image and an offset image when a track is reset from image data according to the track offset moment, and comparing the initial image with the offset image to obtain the track offset data;
and an adjustment module: the adjustment scheme is used for calculating the track from the offset data of the track; and moving the track by using the pushing device according to the adjustment scheme to return the track.
Based on the above embodiment, the judging module includes:
a conversion unit: the method comprises the steps that when acceleration data are high-frequency acceleration data, the acceleration data are subjected to empirical mode decomposition into a plurality of intrinsic mode functions; performing Hilbert transformation on the inherent mode functions to obtain an instantaneous frequency spectrum of each inherent mode function;
a first calculation unit: the method comprises the steps of adding transient frequency spectrums of all inherent mode functions to obtain a Hilbert spectrum;
a judging unit: and judging whether the track is subjected to sliding fault dislocation or not according to the spectrum range of the Hilbert spectrum:
if so, the moment when the slip fault is generated is taken as the moment of track deviation.
Based on the above embodiments, the comparison module includes:
a first acquisition unit: the horizontal scale is used for acquiring the position of the monitoring point in the initial image;
a first determination unit: a point is determined on the steel rail to serve as an origin, and a perpendicular is drawn with the origin;
a first drawing unit: the method comprises the steps that a monitoring point is connected with an origin in an original image to obtain a first connecting line;
a second drawing unit: the monitoring point in the offset image is used as an offset point, and the offset point is connected with the origin in the offset image to obtain a second connecting line;
projection unit: the method comprises the steps of projecting an offset point to a vertical line to obtain a projection point, and calculating a first horizontal distance from the projection point to a first connecting line and a second horizontal distance from the projection point to a second connecting line;
a second calculation unit: and the offset data of the monitoring point is obtained by calculating the offset amplitude and the offset direction of the monitoring point according to the first horizontal distance, the second horizontal distance and the horizontal scale.
Based on the above embodiments, the adjustment module includes:
a second determination unit: the opposite direction of the offset direction is used as the direction to be adjusted;
a second acquisition unit: the device is used for acquiring the weight of the track and the number of pushing devices;
a third calculation unit: the first power required by the lifting track of each pushing device is calculated according to the weight of the track, the number of pushing devices and the preset lifting height;
a fourth calculation unit: and the second power required for transversely pushing the track is calculated according to the weight and the offset amplitude of the track.
A first pushing unit: the pushing device is used for applying first power to the pushing device, so that the pushing devices arranged at the two ends of the track lift the track to a preset lifting height;
a second pushing unit: the pushing device is used for applying second power to the pushing device, so that the pushing devices arranged at the two ends of the track translate the track in the direction to be adjusted, and the track is reset;
and a third pushing unit: the lifting jack is used for pushing down the track and the pushing device to the original horizontal height.
It should be noted that, regarding the apparatus in the above embodiments, the specific manner in which the respective modules perform the operations has been described in detail in the embodiments regarding the method, and will not be described in detail herein.
Example 3:
corresponding to the above method embodiment, there is also provided a dislocating apparatus for a dislocated rail in the present embodiment, and a dislocating apparatus for a dislocated rail described below and a dislocating method for a dislocated rail described above may be referred to correspondingly to each other.
Fig. 7 is a block diagram of a homing device 800 for a dislocated track, as illustrated in accordance with an example embodiment. As shown in fig. 7, the dislocating track homing device 800 may include: a processor 801, a memory 802. The dislocating track homing device 800 may also include one or more of a multimedia component 803, an I/O interface 804, and a communication component 805.
Wherein the processor 801 is configured to control the overall operation of the track-dislocating apparatus 800 to perform all or part of the steps of the track-dislocating method described above. The memory 802 is used to store various types of data to support operation of the homing device 800 in the dislocated track, which may include, for example, instructions for any application or method operating on the dislocated device 800 in the dislocated track, as well as application-related data, such as contact data, messages, pictures, audio, video, and the like. The Memory 802 may be implemented by any type or combination of volatile or non-volatile Memory devices, such as static random access Memory (Static Random Access Memory, SRAM for short), electrically erasable programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM for short), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM for short), programmable Read-Only Memory (Programmable Read-Only Memory, PROM for short), read-Only Memory (ROM for short), magnetic Memory, flash Memory, magnetic disk, or optical disk. The multimedia component 803 may include a screen and an audio component. Wherein the screen may be, for example, a touch screen, the audio component being for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signals may be further stored in the memory 802 or transmitted through the communication component 805. The audio assembly further comprises at least one speaker for outputting audio signals. The I/O interface 804 provides an interface between the processor 801 and other interface modules, which may be a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 805 is configured to perform wired or wireless communication between the homing device 800 of the dislocated track and other devices. Wireless communication, such as Wi-Fi, bluetooth, near field communication (Near FieldCommunication, NFC for short), 2G, 3G or 4G, or a combination of one or more thereof, the respective communication component 805 may thus comprise: wi-Fi module, bluetooth module, NFC module.
In an exemplary embodiment, the dislocating device 800 for the dislocated track may be implemented by one or more application specific integrated circuits (Application Specific Integrated Circuit, ASIC), digital signal processors (DigitalSignal Processor, DSP), digital signal processing devices (Digital Signal Processing Device, DSPD), programmable logic devices (Programmable Logic Device, PLD), field programmable gate arrays (Field Programmable Gate Array, FPGA), controllers, microcontrollers, microprocessors, or other electronic components for performing the dislocating method described above.
In another exemplary embodiment, a computer readable storage medium is also provided comprising program instructions which, when executed by a processor, implement the steps of the above-described method of homing a dislocated track. For example, the computer readable storage medium may be the memory 802 described above including program instructions executable by the processor 801 of the dislocated device 800 for dislocating tracks to perform the dislocated method described above.
Example 4:
corresponding to the above method embodiment, there is also provided a readable storage medium in this embodiment, and a readable storage medium described below and a method of homing a dislocation track described above may be referred to correspondingly with each other.
A readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method for homing a dislocated track of the above-described method embodiments.
The readable storage medium may be a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, and the like.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (4)
1. A method of homing a dislocated track, comprising:
setting a plurality of monitoring points on two sides of a track in a sliding zone, and installing a pushing device at the monitoring points;
installing a monitoring assembly on the roadbed of the track, wherein the monitoring assembly is used for collecting acceleration data and image data of each monitoring point in real time;
acquiring acceleration data and image data of a monitoring point, and determining the moment of track deviation according to the acceleration data, wherein the method comprises the following steps:
when the acceleration data are high-frequency acceleration data, the acceleration data are subjected to empirical mode decomposition into a plurality of intrinsic mode functions;
performing Hilbert transformation on the inherent mode functions to obtain an instantaneous frequency spectrum of each inherent mode function;
adding the instantaneous frequency spectrums of all the inherent mode functions to obtain a Hilbert spectrum;
performing time integration on the Hilbert spectrum to obtain a Hilbert marginal spectrum;
judging whether the track is subjected to sliding fault dislocation or not according to the frequency spectrum range of the Hilbert marginal spectrum:
if yes, taking the moment of occurrence of the sliding fault dislocation as the moment of track deviation;
dividing an initial image and an offset image when the track is reset from the image data according to the track offset moment, and comparing the initial image with the offset image to obtain the track offset data, wherein the method comprises the following steps:
acquiring a horizontal scale of the position of the monitoring point in an initial image;
determining a point on a steel rail as an origin, and taking a vertical line with the origin;
connecting a monitoring point with an origin in an original image to obtain a first connecting line;
taking the monitoring point in the offset image as an offset point, and connecting the offset point with the origin in the offset image to obtain a second connecting line;
projecting the offset point to the vertical line to obtain a projection point, and calculating a first horizontal distance from the projection point to the first connecting line and a second horizontal distance from the projection point to the second connecting line;
calculating according to the first horizontal distance, the second horizontal distance and the horizontal scale to obtain the offset amplitude and the offset direction of the monitoring point, and obtaining the offset data of the monitoring point;
calculating to obtain an adjustment scheme of the track according to the offset data of the track; and moving the track by using the pushing device according to the adjustment scheme to return the track, comprising:
taking the opposite direction of the offset direction as the direction to be adjusted;
acquiring the weight of the track and the number of pushing devices;
calculating first power required by the lifting track of each pushing device according to the weight of the track, the number of pushing devices and a preset lifting height;
and calculating the second power required for transversely pushing the track according to the weight and the offset amplitude of the track.
2. A homing device for a staggered track, comprising:
and a monitoring module: the device comprises a rail, a plurality of monitoring points, a pushing device and a pushing device, wherein the rail is positioned in a sliding zone;
and a data acquisition module: the monitoring assembly is used for collecting acceleration data and image data of each monitoring point in real time;
and a judging module: the method for acquiring the acceleration data and the image data of the monitoring point, determining the moment of track deviation according to the acceleration data comprises the following steps:
a conversion unit: the method comprises the steps that when acceleration data are high-frequency acceleration data, the acceleration data are subjected to empirical mode decomposition into a plurality of intrinsic mode functions; performing Hilbert transformation on the inherent mode functions to obtain an instantaneous frequency spectrum of each inherent mode function;
a first calculation unit: the method comprises the steps of adding transient frequency spectrums of all inherent mode functions to obtain a Hilbert spectrum;
a judging unit: and judging whether the track is subjected to sliding fault dislocation or not according to the frequency spectrum range of the Hilbert marginal spectrum:
if yes, taking the moment of occurrence of the sliding fault dislocation as the moment of track deviation;
and a comparison module: the method for dividing an initial image and an offset image when the track is reset from the image data according to the track offset moment, and comparing the initial image with the offset image to obtain the track offset data comprises the following steps:
a first acquisition unit: the horizontal scale is used for acquiring the position of the monitoring point in the initial image;
a first determination unit: a point is determined on the steel rail to serve as an origin, and a perpendicular is drawn with the origin;
a first drawing unit: the method comprises the steps that a monitoring point is connected with an origin in an original image to obtain a first connecting line;
a second drawing unit: the monitoring point in the offset image is used as an offset point, and the offset point is connected with the origin in the offset image to obtain a second connecting line;
projection unit: the method comprises the steps of projecting an offset point to a vertical line to obtain a projection point, and calculating a first horizontal distance from the projection point to a first connecting line and a second horizontal distance from the projection point to a second connecting line;
a second calculation unit: the offset data of the monitoring points are obtained by calculating the offset amplitude and the offset direction of the monitoring points according to the first horizontal distance, the second horizontal distance and the horizontal scale;
and an adjustment module: the adjustment scheme is used for calculating the track from the offset data of the track; and moving the track by using the pushing device according to the adjustment scheme to return the track, comprising:
a second determination unit: the opposite direction of the offset direction is used as the direction to be adjusted;
a second acquisition unit: the device is used for acquiring the weight of the track and the number of pushing devices;
a third calculation unit: the first power required by the lifting track of each pushing device is calculated according to the weight of the track, the number of pushing devices and the preset lifting height;
a fourth calculation unit: and the second power required for transversely pushing the track is calculated according to the weight and the offset amplitude of the track.
3. A homing device for a staggered track, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the method for homing a dislocated track as claimed in claim 1 when said computer program is executed.
4. A readable storage medium, characterized in that the readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the method for homing a dislocated track as claimed in claim 1.
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| CN202311168437.1A CN116905297B (en) | 2023-09-12 | 2023-09-12 | Dislocation track homing method, dislocation track homing device, dislocation track homing equipment and readable storage medium |
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| CN202311168437.1A CN116905297B (en) | 2023-09-12 | 2023-09-12 | Dislocation track homing method, dislocation track homing device, dislocation track homing equipment and readable storage medium |
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