CN116414933A - Urban rail transit vibration map management system - Google Patents
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Abstract
The invention discloses an urban rail transit vibration map management system, which comprises a vibration monitoring system, a vibration computing system, a data computing system and a display management system, wherein the vibration monitoring system is used for monitoring the vibration of the urban rail transit; the vibration monitoring system is used for collecting vibration source intensity data of each section when the train passes through; the vibration computing system is used for receiving the vibration source intensity data acquired by the vibration monitoring system, vibration data in a set range of the track traffic transverse distance line center line is calculated according to the vibration data; the data computing system is used for receiving the vibration data, processing the vibration data to obtain vibration map data required for drawing a vibration map, and storing the vibration map data in the database; the display management system is used for visually presenting the vibration map data. The method is convenient for urban vibration monitoring and generating the vibration map, and can conveniently and intuitively observe urban vibration conditions.
Description
Technical Field
The invention belongs to the technical field of urban area environment vibration evaluation, and particularly relates to an urban rail transit vibration map management system.
Background
Along with the development of urban modern traffic, the vibration caused is increasingly frequent, and the vibration propagates to two sides of a road through a ground terrace, a building and the like, so that the vibration has a great influence on precise instruments, equipment, buildings and residents sensitive to the adjacent vibration, and urban vibration conditions can be monitored in urban management and maintenance so as to facilitate urban management. Currently, the problem of influence of the vibration environment of the rail transit is presenting new characteristics: firstly, dense road network layout is gradually expanding the range of influence of rail traffic vibration; secondly, the general improvement of urban residents on living environment requirements gradually enlarges the population concerned with the problem of influence of the vibration environment of the rail transit; finally, the continuous expansion of economic scale and population scale causes the gradual shortage of urban land resources, the strategic goal of urban sustainable development calls for more scientific and accurate planning system, and the global and global performance of vibration environment influence evaluation work is expected more and more.
In view of the above, the prediction of the environmental vibration of the rail transit is not only to solve individual cases represented by local sensitive points, but is required to develop new prediction and management modes, so that rapid prediction and visual presentation of the environmental vibration distribution situation of a larger area along the line need to be realized, but the vibration monitoring is difficult to realize by the vibration measuring equipment in the prior art, and the visual and convenient environmental vibration monitoring is difficult to realize by researching, and in the early twentieth 60 th century, the distribution and influence of urban area noise are reflected by the noise map in the European countries such as Germany, the Czech and the like, the successful application of the noise map and the good social benefit exerted for a long time provide thought and guidance for the management of the urban area environmental vibration, and a good reference is provided for rapid prediction and visual management of the environmental vibration of the rail transit, and a map management system for urban rail transit is required to be constructed for the defects that the vibration distribution situation cannot be predicted and the vibration situation cannot be visually represented in the existing monitoring process of the urban rail transit vibration situation.
Disclosure of Invention
The invention aims to overcome at least one defect in the prior art and provides an urban rail transit vibration map management system.
The technical scheme of the invention is realized as follows: the invention discloses an urban rail transit vibration map management system, which comprises a vibration monitoring system, a vibration computing system, a data computing system and a display management system, wherein the vibration monitoring system is used for monitoring the vibration of the urban rail transit;
the vibration monitoring system is used for collecting vibration source intensity data of each section when a train passes through;
the vibration computing system is used for receiving the vibration source intensity data acquired by the vibration monitoring system and computing vibration data in a set range of the transverse distance of the track traffic from the central line of the line according to the vibration source intensity data;
the data computing system is used for receiving the vibration data, processing the vibration data to obtain vibration map data required by drawing a vibration map, and storing the vibration map data in the database;
the display management system is used for visually presenting the vibration map data.
Further, the vibration monitoring system comprises a fiber grating demodulator and an array grating optical cable which is longitudinally and continuously arranged along a line, wherein the array grating optical cable is used for collecting vibration source intensity data of each section when a train passes through and transmitting the collected vibration source intensity data to the fiber grating demodulator, and the fiber grating demodulator transmits the vibration source intensity data to the vibration computing system through a network.
Further, the vibration calculation system is used for receiving the vibration source intensity data collected by the vibration monitoring system and calculating vibration data in a set range of the transverse distance of the track traffic from the central line of the line according to the vibration source intensity data, and specifically comprises the following steps: carrying out 1/3 frequency multiplication analysis on vibration source intensity data of each section when a train passes through to obtain the vibration source intensity of the tunnel wall induced when the train passes through, wherein the vibration source intensity is represented by the maximum vibration level VLzmax of the passing train;
and calculating vibration data of each section within a set range from the transverse direction of the line center line.
Further, the calculation formula of vibration data in the set range of each section from the line center line is as follows:
VLz max ＝VLz 0max +C D +C B +C TD
wherein: VLz max Is an evaluation index of the vibration distribution of the rail transit environment; VLz 0max The vibration source is strong for the wall of the track traffic tunnel; c (C) D The unit dB is the distance attenuation correction coefficient; c (C) B Correction coefficients are building types, in dB; c (C) TD The unit dB is the driving density correction coefficient.
Further, the data computing system is configured to process the vibration data to obtain vibration map data required for drawing a vibration map, and specifically includes: the data computing system is used for processing the vibration data in an interpolation and fitting mode to form a vibration map database for drawing the vibration map.
Further, the vibration map management system of the invention further comprises a geographic information system, wherein the geographic information system is used for collecting and digitally converting geographic information and providing the geographic information and the vibration data for a data computing system, and the data computing system is used for acquiring the geographic information data and the vibration data, processing and integrating the geographic information data and the vibration data to obtain vibration map data required for drawing a vibration map and storing the vibration map data in a database.
Further, the display management system is also used for providing a data query function;
the display management system is also used for providing a measure effect inquiry function;
the display management system is also used for providing a planning suggestion function;
the display management system is also used for providing a playback prediction function;
the display management system is also used for providing an out-of-standard early warning function.
Further, the data computing system is used for completing prediction of future vibration according to vibration data in the database and combining with a deep learning technology, and early warning and forecasting of a vibration environment are achieved.
Further, the data computing system is used for receiving vibration data of the non-countermeasure zone and vibration data of the countermeasure zone, and vibration reduction effects of the vibration reduction measures are obtained by comparing the vibration data of the non-countermeasure zone and the countermeasure zone obtained by real-time monitoring.
Further, the database is used for sorting and storing vibration data caused by each vehicle passing, and the data computing system is used for carrying out comparison analysis on the vibration data caused by the vehicle passing in different periods, so that assistance is provided for analysis of the development rule of the service state of the track structure.
The invention has at least the following beneficial effects:
1. according to the invention, vibration data of the train passing through each section on the section is collected by arranging the array grating optical cable, the maximum vibration level is calculated, then the transmission and distribution of the rail traffic environment vibration are calculated, the distribution cloud image obtained by interpolation or fitting with the rail traffic line map is the vibration map, the drawing is simple, the vibration condition can be intuitively represented, the vibration map is obtained by calculation, the use is convenient, the vibration condition of the next period can be predicted according to a formula, and the visual representation can be realized.
2. According to the invention, vibration data are divided into a plurality of sections with the length of 1s, each section is subjected to 1/3 frequency multiplication analysis to obtain the frequency division vibration level corresponding to each section 1s section, and the accuracy of calculating the section frequency division vibration level is high by reasonably setting the overlapping coefficient of the data sections, so that the accuracy of the fitted vibration map is further improved, and the data structure of the vibration map is more practical; by calculating the transmission and distribution of the section rail transit environment vibration, the correction data of various buildings or environment types are introduced into the formula, the overall calculation accuracy is improved, the calculation result and the subsequent vibration map are accurate and practical, and the urban rail transit vibration condition can be monitored intuitively.
3. The vibration map can integrate the geographic information acquired by the geographic information system, and can fuse and display the building information such as the regional roads where the vibration map is positioned, so that the vibration condition of urban rail transit can be conveniently and intuitively checked; the maximum vibration level VLzmax is subjected to standard limit value, two kinds of data lower than or higher than the standard limit value are respectively marked with two colors to form a vibration overrun distribution map, and the vibration overrun distribution map is fitted with an actual building provided by a geographic information system in use, so that the vibration condition of urban rail transit can be monitored more intuitively.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic block diagram of an urban rail transit vibration map management system provided by an embodiment of the invention;
FIG. 2 is a graph showing the relationship between the center frequency related indicators corresponding to the 1s time period according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of the upper and lower limits of each center frequency and its corresponding frequency band of 1/3 octave according to one embodiment of the present invention;
fig. 4 is a diagram of a vibration map case of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
Referring to fig. 1, an embodiment of the present invention provides an urban rail transit vibration map management system, including a vibration monitoring system, a vibration computing system, a data computing system, and a display management system;
the vibration monitoring system is used for collecting vibration source intensity data of each section when a train passes through;
the vibration computing system is used for receiving the vibration source intensity data acquired by the vibration monitoring system and computing vibration data in a set range of the transverse distance of the track traffic from the central line of the line according to the vibration source intensity data;
the data computing system is used for receiving the vibration data, processing the vibration data to obtain vibration map data required by drawing a vibration map, and storing the vibration map data in the database;
the display management system is used for visually presenting the vibration map data.
Further, the vibration monitoring system comprises a fiber grating demodulator and an array grating optical cable which is continuously arranged along the longitudinal direction of the line, wherein the array grating optical cable is arranged at the position, 1.25-1.5 m away from the rail top surface, of the tunnel side wall in the height direction, the installation position meets the related requirements of the current standard HJ453-2018 on environmental vibration source intensity test of the urban rail transit, the method is used for collecting vibration source intensity data of all sections of a train when the train passes through, the collected vibration source intensity data are transmitted to the fiber grating demodulator, and the fiber grating demodulator transmits the vibration source intensity data to the vibration calculation system through a network.
In consideration of the fact that the whole length of the rail transit is long, the number of the fiber bragg grating demodulators is preferably multiple, so that accuracy and reliability of vibration data are guaranteed. Preferably, each fiber grating demodulator is used for acquiring monitoring information of two sections of vibration cables at the front side and the rear side of the fiber grating demodulator; in one embodiment, the fiber grating array vibration optical cable is continuously laid along the whole track traffic line, that is, two adjacent fiber grating demodulators are connected in series by a single cable, a certain point is taken as a demarcation point in the single serial cable, the fiber grating vibration sensor at the front side of the demarcation point sends monitoring information to the fiber grating demodulators at the front side of the demarcation point, and the fiber grating vibration sensor at the rear side of the demarcation point sends monitoring information to the fiber grating demodulators at the rear side of the demarcation point, which can be realized by setting the light emission direction of the fiber grating vibration sensor in the optical cable; in another embodiment, the fiber bragg grating array vibration optical cable adopts a split type arrangement mode, and comprises a plurality of vibration monitoring cable sections, wherein the end parts of two adjacent vibration monitoring cable sections are propped against or are partially overlapped, the effect of the full-length coverage arrangement of the rail transit can be achieved, the full-length vibration monitoring of the rail transit can be achieved, and in the scheme, two vibration monitoring cable sections can be arranged between two adjacent fiber bragg grating demodulators and are respectively connected with the two fiber bragg grating demodulators.
For the arrangement of the fiber grating array vibration optical cable, preferably, the fiber grating array vibration optical cable is buried in the side wall of the tunnel, for example, a longitudinal wiring groove is formed in the surface of a tunnel shield segment so as to embed the fiber grating array vibration optical cable, and the longitudinal wiring groove is sealed and filled with concrete. The concrete poured in the longitudinal wiring groove is preferably high-strength quick-setting concrete. In another scheme, the fiber bragg grating array vibration optical cable can be adhered to the side wall of the tunnel by strong glue.
The vibration areas are arranged in the array grating optical cable at equal intervals of 5-10 meters, so that the whole track traffic line or a focused region is divided into vibration propagation sections with smaller intervals, which are called sections;
the vibration source intensity data of each section of the train passing through can be acquired by utilizing an array grating optical cable and a fiber grating demodulator which are installed on site.
The vibration computing system is used for acquiring environmental vibration data caused by train operation in a region with a set range along the track traffic line.
Further, the vibration calculation system is used for receiving vibration source intensity data acquired by the vibration monitoring system, calculating vibration data in a set range of the transverse distance of the track traffic from the central line of the line, and specifically comprises: the vibration calculation system is used for receiving the vibration source intensity data acquired by the vibration monitoring system, carrying out 1/3 frequency multiplication analysis on the vibration source intensity data of each section when the train passes, and obtaining the vibration source intensity of the tunnel wall induced when the train passes, wherein the vibration source intensity is represented by the maximum vibration level VLzmax of the passing train period;
the steps are circularly executed for each train passing, so that the tunnel wall vibration source intensity VLzmax of each section can be obtained when the train passes;
taking the time of at least one (such as at least five continuous) train passing as a time period, wherein each section adopts the arithmetic average value of all trains passing VLzmax in the time period as the strong environmental vibration source;
and (3) calculating the environmental vibration distribution of the rail transit in the set range (such as 0-50 m) of each section to the line center line by adopting a formula in HJ453-2018 at each period to obtain vibration data in the set range of the transverse distance of the rail transit to the line center line.
The maximum amplitude level VLzmax is as follows:
dividing vibration data when a train passes into a plurality of sections with the length of 1s, wherein the sections can be properly overlapped when dividing, and the original vibration data is time-course data;
sequentially carrying out 1/3 frequency multiplication analysis on the data of each 1s paragraph to obtain a vibration level VLz corresponding to each data paragraph, wherein the vibration level corresponding to the ith 1s data paragraph adopts the VLz i Representation, a;
the steps of the frequency doubling analysis are as follows:
s1: for data segmentFalls into Fourier transform, for a single center frequency of 1/3 octave (FIG. 3 is a schematic diagram of upper and lower limits of each center frequency and corresponding frequency band of 1/3 octave provided by one embodiment), vibration components outside the corresponding frequency band are filtered to obtain vibration components of the center frequency, inverse Fourier transform is performed on the vibration components of the center frequency to obtain vibration data a (t) corresponding to the center frequency, and an effective acceleration value a corresponding to the center frequency is obtained by using a formula 4-1 w Wherein T is the measurement time length;
s2: for each center frequency of 1/3 octave, S1 is executed to obtain an acceleration effective value a corresponding to each center frequency w ；
S3: the calculated formula of the vibration level VLz corresponding to the ith 1s data segment is 4-2
Wherein: w (W) j The weighting factor corresponding to the jth center frequency is calculated; a, a wj The effective acceleration value in the frequency band corresponding to the jth center frequency is obtained; a, a 0 For reference acceleration, a 0 ＝10 -6 m/s 2 ；
After all the data of all the 1s paragraphs are analyzed, the maximum vibration level VLzmax can be obtained;
further, the data computing system is configured to process the vibration data to obtain vibration map data required for drawing a vibration map, and specifically includes: the data computing system is used for processing the vibration data in an interpolation and fitting mode to form a vibration map database for drawing the vibration map.
The data calculation can be triggered once every driving event, and the data of every driving event can be stored, namely the vibration map data can be updated once every driving event.
Further, since the vibration map data can be updated once for each driving, and the data of each driving is stored, taking the common driving interval of 3-5 min for rail transit as an example, each day 06: 00-22: the data of about 200 driving can be stored within 00 time periods, and the data obtained by driving each time has a definite time sequence, so that the data computing system is used for predicting vibration data within a certain time in the future based on a large amount of vibration data stored in the vibration map database by adopting a deep learning technology, and early warning and forecasting of a vibration environment are realized.
Further, the data computing system is used for receiving vibration data of the non-countermeasure zone and vibration data of the countermeasure zone, and vibration reduction effects of the vibration reduction measures are obtained by comparing the vibration data of the non-countermeasure zone and the countermeasure zone obtained by real-time monitoring.
The invention can take the time of continuous train passing for a plurality of times as a time period, and each time period can update the environmental vibration data in the vibration map and the vibration overrun distribution map according to the rail transit environmental vibration source intensity acquired in the time period and store the updated vibration data into the database.
The invention can update the environmental vibration data in the vibration map and the vibration overrun distribution map according to the rail transit environmental vibration source intensity acquired at the moment every time the train passes, and store the updated vibration data into the database.
And the data computing system is also used for collecting vibration data of the existing track traffic line and predicting the vibration data of the track traffic line to be built when the track traffic line to be built is an extension line of the existing track traffic line so as to obtain the ground vibration data.
The data computing system is also used for taking the vibration source data of the existing track traffic line as the source intensity value of the track traffic line to be built, and predicting the ground environment vibration of the track traffic line to be built by adopting a vibration transmission attenuation formula so as to obtain the ground vibration data.
The vibration computing system and the data computing system may be provided in the same computer server. The computer server may also be provided with a display management system. Of course, the vibration computing system, the data computing system, etc. may not be provided in the same computer server. The display management system may also be provided on a client, which is connected to the server.
Further, the display management system is used for completing visual presentation of data information in the database, representing vibration data with different colors and color depths, and drawing a distribution cloud image of rail transit environment vibration.
Further, the display management system is used for vibrating VL through given rail transit environment zmax Will be below the limit and exceed the VL of the limit zmax Marking and classifying to generate the vibration overrun distribution map. Such as VL that will be below and exceed a limit zmax Different colors are adopted for displaying, so that a vibration overrun distribution map is generated.
Meanwhile, the display management system is used for providing the functions of data query, measure effect query, planning suggestion, playback prediction (because the vibration calculation system acquires vibration data in real time, a vibration map is updated once every time a vehicle passes, playback prediction can be carried out after storage), standard exceeding early warning and the like.
Example two
Referring to fig. 1, the vibration map management system provided by the embodiment of the invention further includes a geographic information system, the geographic information system is used for collecting and digitally converting geographic information and providing the geographic information and the vibration data to a data computing system, and the data computing system is used for obtaining the geographic information data and the vibration data, processing and integrating the geographic information data and the vibration data to obtain vibration map data required for drawing a vibration map, and storing the vibration map data in a database.
Further, the data computing system is used for integrating, analyzing, interpolating fitting, converting coordinates and the like of the geographic information data and the vibration data.
The data computing system is used for processing and integrating geographic information data and vibration data, and specifically comprises the following steps: the method comprises the steps of obtaining geographic information data obtained by a geographic information system and ground vibration data obtained by a vibration computing system, converting the geographic information data and the ground vibration data into a unified coordinate system, continuously processing discrete data information in a mode of interpolation, fitting and the like, and then classifying and storing the data to form a vibration map database for drawing a vibration map.
Further, the geographic information system is used for completing collection and digital conversion of geographic information to form data in a format required for drawing the vibration map, and storing the data into a geographic information base to wait for the call of the data computing system. The geographical information includes track traffic information, road information, construction information, topography information, environment information, population distribution information, and the like.
Further, the database is used for storing and integrating data provided by the geographic information system and vibration data predicted by the vibration prediction system.
Further, the display management system is configured to complete visual presentation of data information in the database, represent vibration data with different colors and color depths, draw a distribution cloud chart of the vibration of the rail transit environment, import (fuse) geographic information data in the distribution cloud chart, fuse and display geographic information in a region corresponding to the vibration map, and obtain a vibration map fused with the geographic information data in the period, as shown in fig. 4.
The system integrates regional geographic information, vibration source information and vibration data information, and an information database is built in the background and is read and displayed in the system. The databases established and inquired by the system comprise a building (residence, business office and industrial enterprise) information database, a road/water system/track traffic information database, a vibration source information database, a grid vibration database and the like, and have database updating and expanding functions so as to facilitate subsequent adjustment and data supplement.
The vibration source information and the vibration data information in the database are sourced from the vibration computing system, and one-time updating of the vibration source information and the vibration data information can be completed after each train passes.
The system can obtain the distribution situation of the vibration in the daytime and the night time periods in the track traffic line area, display the distribution situation in a cloud picture form, and grasp the high vibration area, judge the exceeding area and the standard reaching area and compare the change situation of the vibration in the day and night.
The system can realize the analysis of the vibration reduction effect of the measures, such as comparing the vibration data of the obtained non-measure-taking section and the measure-taking section through real-time monitoring, and the vibration reduction effect of the measures can be obtained through comparison.
The system can realize the environment suitability analysis of the planned land along the track traffic line, and the urban track traffic vibration map management system can display, analyze and manage the vibration influence of the built-up area and can also provide the vibration environment suitability analysis for the non-built area along the urban track traffic line.
The system of the invention has the functions of review and prediction, and the vibration map is established on the basis of calculation, so that the functions of storage, review and prediction of vibration can be realized.
The vibration source information and the vibration data information in the database are sourced from a vibration computing system, and the vibration source information and the vibration data information can be updated and stored once for each passing of a train so as to review and inquire, and in addition, along with the increasing accumulated data, the future vibration can be predicted by combining a deep learning technology.
The vibration source information and the vibration data information in the database are sourced from the vibration computing system, one-time updating and storing of the vibration source information and the vibration data information can be completed every time a train passes, and along with the increasing of accumulated data, prediction of future vibration can be completed by combining a deep learning technology. The possible vibration pollution can be known in advance through vibration prediction, so that the layout is planned, preventive measures are implemented conveniently, and the early warning and the forecasting of the vibration environment can be further realized.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. A city track traffic vibration map management system is characterized in that: the system comprises a vibration monitoring system, a vibration computing system, a data computing system and a display management system;
the vibration monitoring system is used for collecting vibration source intensity data of each section when a train passes through;
the vibration computing system is used for receiving the vibration source intensity data acquired by the vibration monitoring system and computing vibration data in a set range of the transverse distance of the track traffic from the central line of the line according to the vibration source intensity data;
the data computing system is used for receiving the vibration data, processing the vibration data to obtain vibration map data required by drawing a vibration map, and storing the vibration map data in the database;
the display management system is used for visually presenting the vibration map data.
2. The urban rail transit vibration map management system of claim 1, wherein: the vibration monitoring system comprises a fiber grating demodulator and an array grating optical cable which is longitudinally and continuously arranged along a line, wherein the array grating optical cable is used for collecting vibration source intensity data of each section when a train passes through and transmitting the collected vibration source intensity data to the fiber grating demodulator, and the fiber grating demodulator transmits the vibration source intensity data to the vibration computing system through a network.
3. The urban rail transit vibration map management system of claim 1, wherein: the vibration calculation system is used for receiving the vibration source intensity data acquired by the vibration monitoring system and calculating vibration data in a set range of the transverse distance of the track traffic from the central line of the line according to the vibration source intensity data, and specifically comprises the following steps: carrying out 1/3 frequency multiplication analysis on vibration source intensity data of each section when a train passes through to obtain the vibration source intensity of the tunnel wall induced when the train passes through, wherein the vibration source intensity is represented by the maximum vibration level VLzmax of the passing train;
and calculating vibration data of each section within a set range from the transverse direction of the line center line.
4. The urban rail transit vibration map management system of claim 3, wherein: the calculation formula of vibration data in the set range of each section from the line center line is as follows:
VLz max ＝VLz 0max +C D +C B +C TD
wherein: VLz max Is an evaluation index of the vibration distribution of the rail transit environment; VLz 0max The vibration source is strong for the wall of the track traffic tunnel; c (C) D The unit dB is the distance attenuation correction coefficient; c (C) B Correction coefficients are building types, in dB; c (C) TD The unit dB is the driving density correction coefficient.
5. The urban rail transit vibration map management system of claim 1, wherein: the data computing system is used for processing the vibration data to obtain vibration map data required by drawing a vibration map, and specifically comprises the following steps: the data computing system is used for processing the vibration data in an interpolation and fitting mode to form a vibration map database for drawing the vibration map.
6. The vibration map management system of claim 1, wherein: the system comprises a data computing system, a geographic information system and a vibration map data processing system, wherein the data computing system is used for acquiring geographic information data and vibration data, processing and integrating the geographic information data and the vibration data to obtain vibration map data required for drawing a vibration map, and storing the vibration map data in a database.
7. The urban rail transit vibration map management system of claim 1, wherein:
the display management system is also used for providing a data query function;
the display management system is also used for providing a measure effect inquiry function;
the display management system is also used for providing a planning suggestion function;
the display management system is also used for providing a playback prediction function;
the display management system is also used for providing an out-of-standard early warning function.
8. The urban rail transit vibration map management system of claim 1, wherein: the data computing system is used for completing prediction of future vibration according to vibration data in the database and combining with a deep learning technology, and early warning and forecasting of a vibration environment are achieved.
9. The urban rail transit vibration map management system of claim 1, wherein: the data computing system is used for receiving vibration data of a zone which does not take measures and vibration data of a zone which takes measures, and vibration reduction effects of the vibration reduction measures are obtained by comparing the vibration data of the zone which does not take measures and the vibration data of the zone which takes measures obtained by real-time monitoring.
10. The urban rail transit vibration map management system of claim 1, wherein: the database is used for sorting and storing vibration data caused by each vehicle passing, and the data computing system is used for comparing and analyzing the vibration data caused by the vehicle passing in different periods, so that assistance is provided for analysis of the development rule of the service state of the track structure.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117115374A (en) * | 2023-08-28 | 2023-11-24 | 中海环境科技(上海）股份有限公司 | Vibration map drawing method based on track traffic on-line monitoring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117115374A (en) * | 2023-08-28 | 2023-11-24 | 中海环境科技(上海）股份有限公司 | Vibration map drawing method based on track traffic on-line monitoring |
| CN117115374B (en) * | 2023-08-28 | 2024-04-16 | 中海环境科技(上海）股份有限公司 | Vibration map drawing method based on track traffic on-line monitoring |
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