CN113844498A - Signal centralized monitoring safety information supervision method based on dynamic time warping technology - Google Patents
Signal centralized monitoring safety information supervision method based on dynamic time warping technology Download PDFInfo
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- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
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- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
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Abstract
The invention discloses a signal centralized monitoring safety information supervision method and system based on a dynamic time warping technology. And the normalized time associated data is subjected to correlation analysis, so that the dimension of data statistical analysis is effectively ensured to be in a uniform time flow. The method plays an important guiding role in ensuring efficient and safe running of the train, can timely eliminate potential safety hazards when a fault occurs, and even timely control the train to stop when the alarm level is highest so as to prevent accidents such as rear-end collision, derailment and the like. Has important significance and application value for stable, efficient and safe operation in the actual railway transportation industry.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a signal centralized monitoring safety information supervision method based on a dynamic time warping technology.
Background
With the rapid development of the railway transportation industry and the computer technology, more and more railway signal systems are widely applied, and data managed and acquired by the railway signal systems are more and more extensive. In foreign countries, many countries attach importance to the function of a monitoring data comprehensive platform of railway signal equipment, and have rich experience in ensuring the running safety of high-speed railways. Foreign signal control systems generally integrate control and monitoring, cover vehicle-mounted signals, interval signals and station signals, and effectively combine monitored data with control data, so that fault early warning is realized.
The railway signal system in China forms an autonomous technical system suitable for the national conditions and the road conditions in China through continuous summary of experience and scientific research innovation, and at present, the railway signal system mainly comprises Computer-Based Interlocking (CBI), a Train Control Center (Train Control Center, TCC), a ZPW2000 series non-insulated frequency shift track circuit, a Radio Block Center (RBC), a Temporary Speed limiting Server (TSRS), a dispatching Centralized system (CTC) and the like. The signal subsystems work independently and communicate with each other to exchange information, and respective working state data is recorded through respective maintenance terminals. When a vehicle breaks down, sometimes the fault reason can be comprehensively analyzed by checking the recorded data of different devices at the same time. The signal Centralized Monitoring system (CSM) monitors the states of the signal subsystem and the signal infrastructure in real time, and has the condition of comprehensively knowing the operating states of the devices. With the development of railway signal equipment technology, the safety and reliability of each signal subsystem are higher and higher, but the hidden danger of the joint part between the equipment still exists.
At present, domestic research is a research design focused on a single field, various information resources of a signal subsystem are not integrated, complete information sharing is not realized, supervision prompt of train control safety information among systems is lacked, resultant force cannot be formed to provide service for transportation, and therefore potential safety hazard prevention and fault supervision at a joint of the signal system are urgently needed to be enhanced.
Disclosure of Invention
The invention aims to provide a signal centralized monitoring safety information supervision method based on a dynamic time warping technology, which can ensure the consistency and accuracy of data among signal subsystems aiming at the problem of asynchronous data timestamps among the signal subsystems; meanwhile, data from different sources of each interface system are efficiently fused and converted into a unified time dimension, potential safety hazards of a combination part between equipment can be effectively solved, complete information sharing is achieved, accurate pre-alarm prompt is given to supervision of signal centralized monitoring safety information between systems, and the purpose of safe driving is achieved.
The purpose of the invention is realized by the following technical scheme:
a signal centralized monitoring safety information supervision method based on a dynamic time warping technology comprises the following steps:
using a dynamic time warping technology to dynamically align the time sequence data of different subsystems or the time sequence data of different sources in the same subsystem in pairs to obtain warped time sequence data pairs with uniform scales;
performing consistency comparison of the column control safety information based on the normalized time sequence data pairs with uniform scales;
and displaying the result of consistency comparison of the train control safety information.
According to the technical scheme provided by the invention, the dynamic time warping is carried out on the data time of different subsystems for accessing signal centralized monitoring and safety supervision, so that the multi-source information can be fused, and the potential safety hazard caused by the data inconsistency among the system combining parts can be conveniently and timely discovered. And the normalized time associated data is subjected to correlation analysis, so that the dimension of data statistical analysis is effectively ensured to be in a uniform time flow. The method plays an important guiding role in ensuring efficient and safe running of the train, can timely eliminate potential safety hazards when a fault occurs, even timely control the train to stop when the alarm level is highest, and can prompt accidents such as rear-end collision, derailment and the like in advance. Has important significance and application value for stable, efficient and safe operation in the actual railway transportation industry.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a flowchart of a method for monitoring safety information in a centralized signal monitoring system based on a dynamic time warping technique according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of normalized time series data with a uniform time scale according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a real-time alarm display interface during alarm information provided by an embodiment of the present invention;
fig. 4 is a schematic view of a display interface for counting historical alarm information that has occurred according to an embodiment of the present invention;
fig. 5 is a schematic view of a display interface for querying historical alarm information that has occurred according to an embodiment of the present invention;
fig. 6 is a schematic diagram of station yard representation information provided by an embodiment of the present invention;
FIG. 7 is a diagram illustrating an example of a correlation between source data from multiple systems;
fig. 8 is a schematic network structure diagram for implementing a method for monitoring safety information in centralized signal monitoring according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The terms that may be used herein are first described as follows:
the terms "comprising," "including," "containing," "having," or other similar terms of meaning should be construed as non-exclusive inclusions. For example: including a feature (e.g., material, component, ingredient, carrier, formulation, material, dimension, part, component, mechanism, device, process, procedure, method, reaction condition, processing condition, parameter, algorithm, signal, data, product, or article of manufacture), is to be construed as including not only the particular feature explicitly listed but also other features not explicitly listed as such which are known in the art.
At present, domestic research is focused on research design in a single field, various information resources of a signal subsystem are not integrated, complete information sharing is not realized, supervision prompt for signal centralized monitoring safety information among systems is lacked, resultant force cannot be formed to provide service for transportation, so that potential safety hazard prevention and fault supervision at a joint of the signal system are urgently needed to be enhanced, and the method has important significance for the research on the stable safety of trains in the railway transportation industry.
The embodiment of the invention provides a signal centralized monitoring safety information supervision method based on a dynamic time warping technology, which solves the potential safety hazard possibly generated at any time of each signal subsystem, and develops related researches on signal centralized monitoring safety information supervision and alarm prompt. And through monitoring, analyzing and diagnosing the data of the joint part among the signal subsystems, the multi-source data is verified and analyzed. In a scene that the time for acquiring data between subsystems is possibly asynchronous, a dynamic time warping technology is utilized, warped source and destination data are used as boundaries, several types of safety supervision scenes influencing the safe operation of the train are analyzed in a key mode, abnormal information with inconsistent joint information is found in time, and potential risks are pre-warned, so that the boosted high-speed rail driving is safer, and dispatching and commanding are more efficient.
The following describes in detail a signal centralized monitoring safety information supervision method based on dynamic time warping technology provided by the present invention. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art. Those not specifically mentioned in the examples of the present invention were carried out according to the conventional conditions in the art or conditions suggested by the manufacturer.
As shown in fig. 1, a signal centralized monitoring safety information supervision method based on dynamic time warping technology includes the following steps:
In the embodiment of the invention, time sequence data of different subsystems or time sequence data of different sources in the same subsystem are dynamically aligned in pairs by using a dynamic time warping technology; the different subsystems refer to different signal subsystems, and the signal subsystems mainly comprise the computer interlock, the train control center, the ZPW2000 series non-insulation frequency shift track circuit, the wireless block center, the dispatching and centralized system and the like.
Dynamic Time Warping (DTW) is a template matching algorithm based on Dynamic Warping, which performs local compression or stretching according to the similarity of two signals, so that the two sequences are best matched.
Respectively recording time sequence data of two different subsystems or two different sources in the same subsystem as R ═ R1,R2,R3,...,Rn}，T＝{T1,T2,T3,...,TmN and m are the total frame number of the time sequence data R and T respectively; riFeature vector T representing frame i of time series data RjA feature vector, i 1,2,3, and n, j 1,2, 3.
The degree of distortion between the time series data R and T determines the degree of similarity between the time series data R and T, the degree of similarity is higher as the degree of distortion is smaller, and R is setiAnd TjIs recorded as D (i, j), and the state transition function D (i, j) is set so that R is matched with the time series data TiT is matched in the time-series data RjThe degree of distortion of (2).
To find the final state transition function D (m, n), a matrix is defined, each row and column value (i, j) of the matrix including D (i, j) and D (i, j), W ═ W for the regularized path set1,w2,w3,...,wKHas the following components:
where K denotes the number of regular path elements, wkRepresenting the kth rule path; the constraints of the canonical path set W include: w is a1Is given as (1,1) and wK＝(m,n)；ak+1≤ak+1, and bk+1≤bk+1 when
wk＝(ak,bk),wk+1＝(ak+1,bk+1) A and b represent coordinate values of each point set in the regular path, and subscript k is a serial number of the regular path; a isk+1≥ak,bk+1≥bkAnd a is ak+bk≠ak+1+bk+1When in use
wk＝(ak,bk),wk+1＝(ak+1,bk+1) (ii) a Based on the above constraint conditions, the state transition function D (i, j) is obtained as:
and obtaining a path from the position (1,1) to the position (n, m) in the matrix through the state transfer function, and aligning the two time sequence data according to the row and column numbers of each position point on the path so as to obtain the normalized time sequence data X and Y with uniform scales. The aforementioned constraints limit each step to go only from the (i, j) position to (i +1, j), (i, j +1), or (i +1, j + 1). The dynamic warping path is the one of all paths that satisfies the minimum Σ d (i, j) passing through each point.
And 2, performing consistency comparison of the train control safety information based on the normalized time sequence data pairs with uniform scales.
The normalized time-series data pairs with uniform time scale can be obtained through the foregoing step 1, as shown in fig. 2. The CSM realizes safety risk prompt by comparing and logically analyzing key data among interfaces of a signal subsystem, is short for a signal centralized monitoring system and comprises station layer signal centralized monitoring safety supervision and center layer signal centralized monitoring safety supervision.
In the embodiment of the invention, the consistency comparison of the column control safety information mainly comprises the following steps:
1. the consistency comparison between the interlocking SA (Signaling authorization) information of the normalized uniform scale and the interlocking route information is carried out, and the interlocking route information and the interlocking SA information are subjected to overall process supervision; when the SA information is sent to the wireless block center by interlocking, the logic correctness of the interlocked SA information is continuously compared, after route cancellation, rerouting and the state of basic signal equipment change, whether the SA information changes along with the SA information is checked, if the SA information does not change along with the SA information, the SA information is inconsistent, and risk early warning is required to be given.
In the embodiment of the invention, the interlocking SA information and the interlocking route information are dynamic information interlocked by a computer, belong to time sequence data of different sources in the same subsystem, are normalized through the step 1 to obtain a time sequence data pair with uniform scales, and are sent to the CSM and finally compared by the train control safety supervision server.
2. And comparing the MA (Movement Authority) information of the wireless block center with the interlocking access information in a consistent manner after normalization.
In the embodiment of the present invention, the MA information and the interlock access information of the radio block center belong to time sequence data of two different subsystems, and a time sequence data pair with uniform scales is obtained after the same normalization through the step 1, and then consistency comparison is performed, including the following cases:
1) MA information crossing inhibit signal: and verifying the MA information of the radio block center and the interlocking route information, checking the lighting state of a signal machine in the MA information coverage range, and outputting a risk early warning when a prohibition signal (for example, a rail vehicle enters) is found in the MA information coverage range.
2) MA goes through occupied zones: and verifying the MA information, the interlocking access information and the interlocking SA information of the wireless block center, checking the section occupation state in the MA information coverage range, and outputting a risk early warning when the MA information end section occupation or the section state in the MA information coverage range is abnormal (for example, abnormal red light band and other conditions).
As can be understood by those skilled in the art, the abnormal red light band is a fault scene of a professional track section of the railway signal and belongs to one of risk early warning.
3) The MA information turnout position is inconsistent with the turnout position in the interlocking route information: checking the MA information of the wireless block center and the interlocking access information, simultaneously calculating the representation state of the turnout in the MA information coverage range, and comparing the representation state with the turnout representation state in the interlocking access information; and when the two turnouts are in inconsistent states, outputting a risk early warning.
3. And (3) comparing the occupancy state consistency of the sections among subsystems: and performing correlation analysis on the occupation states of the same section in different subsystems. The information related to this case refers to time series data of different subsystems, and is also normalized by the foregoing step 1 to obtain a time series data pair with uniform scale, and then correlation analysis is performed, including the following cases:
1) and (3) comparing the occupied state consistency of the sections among the sub-systems of the station layer: the occupation states of the sections in the station are marked by computer interlocking, the occupation states of the sections in the region are marked by a train control center, and the occupation states of the sections in the computer interlocking, the train control center, the ZPW2000 series non-insulation frequency shift track circuit and the dispatching concentration system are compared in pairs.
2) Comparing the consistency of the occupation states of the central layer sections: and taking the section occupation state of the computer interlock as a target, and comparing the section occupation states of the computer interlock and the radio block center pairwise.
And when the station field representation information is maintained and is inconsistent with the occupation states of corresponding sections in other subsystems due to downtime of a certain subsystem or other reasons, outputting a risk early warning.
4. Comparing the line direction consistency between adjacent station train control center intervals: the method comprises the steps that a station acquires direction state information of a line between column control center intervals of adjacent stations, and then the line direction states of corresponding intervals of two stations are verified; when station changing occurs, if adjacent stations do not synchronously change the direction, inconsistent alarm is generated.
The information related to the situation belongs to time sequence data of different sources in the same subsystem, and the time sequence data pairs with uniform scales are obtained after the normalization through the step 1, and then consistency comparison is carried out.
Those skilled in the art will appreciate that reformulation is a term used in rail transit to mean the direction in which a train makes a turn.
5. Comparing the occupation logic consistency of adjacent sections of the column control centers of adjacent stations: the station acquires the occupation states of a plurality of adjacent sections of the adjacent station train control center, combines the running direction of the train, realizes the comparison of the occupation logic consistency of the adjacent sections of the adjacent station train control center by combining the real-time state information of the boundary sections, and outputs the risk early warning when the comparison results are inconsistent.
The information related to the situation belongs to time sequence data of different sources in the same subsystem, and the time sequence data pairs with uniform scales are obtained after the normalization through the step 1, and then consistency comparison is carried out.
And 3, displaying the consistency comparison result of the train control safety information.
The consistency comparison result can be obtained and displayed through the step 2, and the consistency comparison result mainly comprises the following information: real-time alarm information, historical alarm information, associated real-time values and a station map.
In the embodiment of the invention, the real-time alarm information corresponds to the occurring risk early warning, the historical alarm information corresponds to the occurring risk early warning, various risk early warnings can set corresponding levels according to actual conditions, and when the alarm information is displayed, the related levels, the related alarm types and the alarm contents are displayed together.
In addition, when risk early warning occurs, a specific fault sending part is often located, for example, a certain track or a turnout or a signal, and therefore, the risk early warning can be clarified by displaying an associated real-time value and a station diagram, which is equivalent to displaying in different dimensions.
FIG. 3 is a real-time alarm display interface when generating alarm information; FIGS. 4 to 5 are display interfaces for counting and querying the occurred history alarm information, respectively; FIG. 6 is the corresponding station yard representation information, and the current running track of the train can be visually seen from FIG. 6; FIG. 7 can show the correlation between the multi-system source data, and the comparison and display functions.
Fig. 8 shows a specific network structure for implementing the above scheme of the embodiment of the present invention.
The left part is a station floor signal subsystem, wherein: the CBI system is connected with the CSM station machine (namely a CBI maintenance terminal in the middle dotted line frame at the left side of the figure 8 and a CSM station machine of a new version) through two standard unidirectional serial interfaces (RS 422); the CSM station machine of the new edition is connected with TCC (namely TCC maintenance terminal of the middle dotted frame at the left side of the figure 8) through a standard unidirectional serial interface; the new CSM station machine is connected with the CTC maintenance terminal through a standard unidirectional serial interface; the new CSM station machine is connected with the ZWP2000 maintenance terminal in a bidirectional way through RJ 45; the existing CMS station machine maintains the existing interface mode with TCC, ZPW-2000 and CTC (namely the corresponding maintenance terminal of the dashed frame between the left side and the bottom side of the figure 8). Those skilled in the art will appreciate that existing CSM station machines are systems that have been opened and actually put into service at railroad stations; the new CSM station machine is the next generation CSM station machine proposed according to the new technical requirements.
The middle part is a center layer signal subsystem, wherein: the RBC maintenance terminal and the CSM interface server (abbreviated as the interface server in figure 8) are connected through a standard unidirectional serial interface; the TSRS maintenance terminal and the CSM interface server are connected through a standard unidirectional serial interface; the CTC central server and the CSM interface server pass through the RJ45 and the unidirectional physical network gate interface, and simultaneously reserve a unidirectional serial interface for transmitting the pre-alarm information to the CTC central interface server by the CSM. The CTC central interface server is bidirectionally connected to the right-hand CTC central server via RJ 45. Information is collected through the network structure shown in fig. 8, and then the information is sent to the train control security monitoring server for consistency comparison, where the process of the steps may be described as follows:
1. data of a station layer required by train control safety supervision and analysis are acquired from CBI, TCC, ZPW2000 and CTC systems. The existing CSM station needs to be added with a train control safety monitoring station machine, interface data are respectively obtained from the CSM station machine and a CSM station communication interface machine, and meanwhile, the CSM station communication interface machine is responsible for data transmission between CSM stations. The new version of CSM station machine can directly obtain data from the related interface system. And uploading the acquired data to a signal centralized monitoring safety information monitoring subsystem (namely a train control safety monitoring server) through a monitoring private network.
2. In the central layer signal subsystem, an interface server (namely an interface server 2 in the figure) is added at the position of the RBC center, and the RBC data collection work is completed by using a serial port to communicate with an RBC maintenance terminal; a CTC center interface server and an interface server (namely, the interface server 1 in the figure) are added in the CTC center location of the office group company, the CTC center data acquisition work is completed through the unidirectional network gate isolation and the center CTC interface, and meanwhile, unidirectional serial ports of the interface server and the CTC center interface server are reserved. And uploading the acquired data to a train control safety supervision server through a monitoring private network.
3. The data collected by the station layer and central layer signal subsystems are uploaded to a train control safety monitoring server through a monitoring private network by a CSM (carrier sense multiple access) front-end processor for real-time monitoring and analysis, the analyzed data are stored in a storage server, the pre-alarm information analyzed in real time is sent to a CTC (central control center) interface server through the CSM front-end processor and the CTC interface server, and finally, the CTC center of a local group company is sent to realize the prompting of the train control safety monitoring information.
4. Train-ground, cross-station and cross-system information safety supervision analysis related to RBC (reserved TSRS, DMS) by the train control safety supervision server; and the analysis result is sent to the CSM application server through the monitoring network, and the CSM terminal browses and refers.
Compared with the prior art, the scheme of the embodiment of the invention mainly has the following advantages: firstly, preprocessing each subsystem data by using a DTW algorithm based on dynamic time warping, and processing the data of possibly different time sequences transmitted by each subsystem, so that the data has smaller distortion and higher similarity is guaranteed. By using the dynamic time warping method, the data analyzed by the system has relatively same time sequence, so that the safety supervision analysis process and the early warning service are more accurate and convincing.
Through the above description of the embodiments, it is clear to those skilled in the art that the above embodiments can be implemented by software, and can also be implemented by software plus a necessary general hardware platform. With this understanding, the technical solutions of the embodiments can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a usb disk, a removable hard disk, etc.), and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods according to the embodiments of the present invention.
It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the system is divided into different functional modules to perform all or part of the above described functions.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A signal centralized monitoring safety information supervision method based on a dynamic time warping technology is characterized by comprising the following steps:
using a dynamic time warping technology to dynamically align the time sequence data of different subsystems or the time sequence data of different sources in the same subsystem in pairs to obtain warped time sequence data pairs with uniform scales;
performing consistency comparison of the column control safety information based on the normalized time sequence data pairs with uniform scales;
and displaying the result of consistency comparison of the train control safety information.
2. The signal centralized monitoring safety information supervision method according to claim 1, wherein the dynamic time warping technique is used to dynamically align the time series data of different subsystems or the time series data of different sources in the same subsystem two by two, and obtain the warped time series data pair with uniform scale, and the method comprises:
time series data of two different subsystems or time series data of different sources in the same subsystem are respectively marked as R ═ { R ═ R1,R2,R3,...,Rn}，T＝{T1,T2,T3,...,TmN and m are the total frame number of the time sequence data R and T respectively; riFeature vector T representing frame i of time series data RjA feature vector representing a j-th frame of the time-series data T, i being 1,2, 3.., n, j being 1,2, 3.., m;
the degree of distortion between the time series data R and T determines the degree of similarity between the time series data R and T, the degree of similarity is higher as the degree of distortion is smaller, and R is setiAnd TjIs recorded as D (i, j), and the state transition function D (i, j) is set so that R is matched with the time series data TiT is matched in the time-series data RjThe degree of distortion of (2);
defining a matrix, each row and column value (i, j) of the matrix including D (i, j) and D (i, j), W ═ W for the regular path set1,w2,w3,...,wKHas the following components:
where D (m, n) represents the final state transfer function, K represents the number of regular path elements, wkRepresenting the kth rule path; the constraints of the canonical path set W include: w is a1Is given as (1,1) and wK＝(m,n)；ak+1≤ak+1, and bk+1≤bk+1 when
wk＝(ak,bk),wk+1＝(ak+1,bk+1) A, b represent each point in the regular pathCoordinate value of the set, subscript k is the serial number of the regular path; a isk+1≥ak,bk+1≥bkAnd a is ak+bk≠ak+1+bk+1When in use
wk＝(ak,bk),wk+1＝(ak+1,bk+1) (ii) a Based on the above constraint conditions, the state transfer function is obtained as:
and obtaining a path from the position (1,1) to the position (n, m) in the matrix through the state transfer function, and aligning the two time sequence data according to the row and column numbers of each position point on the path to obtain a normalized time sequence data pair with uniform scale.
3. The signal centralized monitoring safety information supervision method based on dynamic time warping technology as claimed in claim 1, wherein the performing of a column control safety information consistency comparison pair based on the warped uniform-scale time series data pair comprises:
the regulated interlocking SA information with unified scales is compared with the interlocking route information in a inconsistent way, and the interlocking route information and the SA information are subjected to overall process supervision; when the SA information is sent to the wireless block center by interlocking, the logic correctness of the interlocking SA information is continuously compared, after route cancellation and switching and the state of basic signal equipment are changed, whether the interlocking SA information is changed along with the change is checked, and if the interlocking SA information is not changed along with the change, risk early warning is given; the interlocking SA information and the interlocking route information belong to time sequence data of different sources in the same subsystem;
the MA information of the wireless block center with unified scales after normalization is compared with the interlocking route information in a consistent mode, the MA information and the interlocking route information belong to time sequence data of two different subsystems, and the consistent comparison comprises the following conditions: MA information crossing inhibit signal: checking the MA information of the radio block center and the interlocking route information, checking the lighting state of a signal machine in the MA information coverage range, and outputting a risk early warning when a forbidden signal exists in the MA information coverage range; MA goes through occupied zones: checking MA information, interlocking route information and interlocking SA information of a wireless block center, checking the section occupation state in an MA information coverage range, and outputting a risk early warning when the MA information end section occupation or the section state in the MA information coverage range is abnormal; the MA information turnout position is inconsistent with the turnout position in the interlocking route information: checking the MA information of the wireless block center and the interlocking access information, simultaneously calculating the representation state of the turnout in the MA information coverage range, and comparing the representation state with the turnout representation state in the interlocking access information; when the two turnouts are in inconsistent states, outputting risk early warning;
and comparing the consistency of the occupied states of the sections among the subsystems, wherein the related information refers to a normalized time sequence data pair of different subsystems with uniform scales, and the method comprises the following steps: comparing the consistency of the occupied states of the sections among the subsystem of the station layer with the consistency of the occupied states of the sections of the central layer;
and comparing the consistency of the line directions of the adjacent station train control center intervals, wherein the related information refers to the normalized time sequence data pairs of different sources of the same subsystem with uniform scales, and the consistency comparison mode is as follows: the method comprises the steps that a station acquires direction state information of a line between column control center intervals of adjacent stations, and then the line direction states of corresponding intervals of two stations are verified; when station changing occurs, if adjacent stations do not synchronously change the direction, inconsistent alarm is generated;
and the adjacent sections of the adjacent station train control centers occupy logical consistency comparison, the related information refers to the normalized time sequence data pairs of different sources of the same subsystem with uniform scales, and the consistency comparison mode is as follows: the station acquires the occupation states of a plurality of adjacent sections of the adjacent station train control center, and the station combines the real-time state information of the boundary sections to realize the comparison of the occupation logic consistency of the adjacent sections of the adjacent station train control center in combination with the running direction of the train.
4. The method as claimed in claim 1, wherein the step of monitoring the safety information in a centralized manner based on dynamic time warping technique comprises the following steps: the occupation states of the sections in the station are marked by computer interlocking, the occupation states of the sections in the region are marked by a train control center, and the occupation states of the sections in the computer interlocking, the train control center, the ZPW2000 series non-insulation frequency shift track circuit and the dispatching concentration system are compared in pairs.
5. The signal centralized monitoring safety information supervision method based on dynamic time warping technology as claimed in claim 1, wherein said central layer section occupation status consistency comparison pair comprises: and taking the section occupation state of the computer interlock as a target, and comparing the section occupation state of the computer interlock and the section occupation state of the radio block center in pairs.
6. The signal centralized monitoring safety information supervision method based on the dynamic time warping technology as claimed in any one of claims 1 to 5, wherein the different subsystems are different signal subsystems, and the method comprises: computer interlocking, train control center, ZPW2000 series non-insulation frequency shift track circuit, wireless block center and dispatching centralized system.
7. The signal centralized monitoring safety information supervision method based on the dynamic time warping technique as claimed in claim 3, wherein the displaying the consistency comparison result of the column control safety information comprises: displaying real-time alarm information, historical alarm information, associated real-time values and a station map;
the real-time alarm information corresponds to the occurring risk early warning, the historical alarm information corresponds to the occurring risk early warning, and the various risk early warnings are set to be in corresponding levels; meanwhile, the specific position of the fault is defined during early warning of each risk, and the specific position is displayed together through the associated real-time value and the station yard graph.
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