CN113844498B - 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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- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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 moreover, the related data of the time after the normalization is subjected to the association analysis, so that the dimension of the data statistical analysis is effectively ensured to be in a unified time flow. The method plays an important guiding role in ensuring the high-efficiency and safe driving of the train, can realize the investigation of potential safety hazards in time when faults occur, and can prevent accidents such as rear-end collision, derailment and the like even when the time control vehicle stops when the alarm level is highest. 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 vigorous development of railway transportation industry and computer technology, more and more railway signal systems are widely applied, and the data managed and acquired by the railway signal systems are more and more extensive. In foreign countries, a great deal of attention is paid to the function of a monitoring data comprehensive platform of railway signal equipment, and the safety of running high-speed rail is guaranteed. The foreign signal control system is generally integrated with control and monitoring, covers vehicle-mounted signals, section signals and station signals, and effectively combines 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 national conditions and road conditions by continuously summarizing experience and scientific research innovation, and is mainly composed of a computer interlocking (Computer Based Interlocking, CBI), a train control center (Train Control Center, TCC), a ZPW2000 series non-insulation frequency shift track circuit, a wireless block center (Radio Block Center, RBC), a temporary speed limiting server (Temporary Speed Restriction Server, TSRS), a dispatching centralized system (Centralized Traffice Control, CTC) and the like at present. The signal subsystems work independently and communicate with each other to exchange information, and the respective working state data is recorded through the respective maintenance terminals. When the travelling crane fails, the failure cause can be comprehensively analyzed by checking the recorded data of different devices at the same time. The signal centralized monitoring system (Centralized Signaling Monitoring, CSM) is used for monitoring the states of the signal subsystem and the signal base equipment in real time and has the condition of comprehensively knowing the working states of the equipment. With the development of railway signal equipment technology, the safety and reliability of each signal subsystem are higher and higher, but the hidden trouble of the joint part between the equipment still exists.
At present, domestic researches are concentrated on research designs in a single field, various information resources of a signal subsystem are not integrated, complete information sharing is not realized, supervision prompt of system-to-system train control safety information is lacking, resultant force is not formed to provide service for transportation, and therefore potential safety hazard prevention and fault supervision at a signal system joint 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 solve the problem of asynchronous data time stamps among signal subsystems and ensure the consistency and accuracy of data among the signal subsystems; meanwhile, data of different sources of each interface system are fused and converted into uniform time dimension, potential safety hazards of a joint part between devices 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 aim of safe driving is achieved.
The invention aims at realizing the following technical scheme:
a signal centralized monitoring safety information supervision method based on a dynamic time warping technology comprises the following steps:
dynamically aligning time sequence data of different subsystems or time sequence data of different sources in the same subsystem by two pairs by using a dynamic time warping technology to obtain a unified scale time sequence data pair after warping;
based on the regular time sequence data pairs with uniform scales, performing consistency comparison of the control safety information;
and displaying the consistency comparison result of the train control safety information.
According to the technical scheme provided by the invention, the dynamic time regularity is carried out on the data time of different subsystems for monitoring the safety supervision by the access signal in a centralized way, so that the multisource information can be fused, and the potential safety hazard caused by the data inconsistency among the combination parts of the systems can be conveniently and timely found. And moreover, the related data of the time after the normalization is subjected to the association analysis, so that the dimension of the data statistical analysis is effectively ensured to be in a unified time flow. The method plays an important guiding role in ensuring the high-efficiency and safe driving of the train, can realize the investigation of potential safety hazards in time when faults occur, and even stops when the alarm level is highest, the train is stopped when the time is controlled, and accidents such as rear-end collision, derailment and the like are prompted 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 that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present 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 flowchart of a signal centralized monitoring safety information supervision method based on a dynamic time warping technology according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of time series data of a unified time scale after normalization according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a real-time alarm display interface when alarm information is provided in an embodiment of the present invention;
FIG. 4 is a schematic diagram 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 diagram of a display interface for querying historical alert information that has occurred according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of site representation information provided by an embodiment of the present invention;
FIG. 7 is a diagram illustrating the correlation between multiple system source data according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a network structure for implementing a method for monitoring and supervising signal centralized security information according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The terms that may be used herein will first be described as follows:
the terms "comprises," "comprising," "includes," "including," "has," "having" or other similar referents are to be construed to cover a non-exclusive inclusion. For example: including a particular feature (e.g., a starting material, component, ingredient, carrier, formulation, material, dimension, part, means, mechanism, apparatus, step, procedure, method, reaction condition, processing condition, parameter, algorithm, signal, data, product or article of manufacture, etc.), should be construed as including not only a particular feature but also other features known in the art that are not explicitly recited.
At present, domestic researches are concentrated in research designs in a single field, various information resources of a signal subsystem are not integrated, complete information sharing is not realized, supervision prompt for centralized monitoring of safety information of signals among systems is lacking, resultant force is not formed to provide service for transportation, so that the method has important significance for potential safety hazard prevention and fault supervision emergency reinforcement at a signal system joint part and train stability safety research in the railway transportation industry.
The signal centralized monitoring safety information supervision method based on the dynamic time warping technology solves the potential safety hazard possibly generated at any time among all signal subsystems, and develops related researches of signal centralized monitoring safety information supervision and alarm prompt. And checking and analyzing the multi-source data through monitoring, analyzing and diagnosing the data of the joint part among the signal subsystems. The method is characterized in that a scene that the time for collecting data among subsystems is possibly unsynchronized is utilized, a dynamic time regularization technology is utilized, the regulated source and destination data are used as boundaries, several types of safety supervision scenes affecting the safe operation of the train are mainly analyzed, abnormal information inconsistent with the information of a joint is timely found, potential risks are early warned, and therefore the power-assisted high-speed rail driving is safer, and dispatching command is more efficient.
The method for supervising the signal centralized monitoring safety information based on the dynamic time warping technology is described in detail below. What is not described in detail in the embodiments of the present invention belongs to the prior art known to those skilled in the art. The specific conditions are not noted in the examples of the present invention and are carried out according to the conditions conventional in the art or suggested by the manufacturer.
As shown in fig. 1, a signal centralized monitoring safety information supervision method based on a dynamic time warping technology comprises the following steps:
and step 1, dynamically aligning time sequence data of different subsystems or time sequence data of different sources in the same subsystem by two pairs by using a dynamic time warping technology to obtain a unified scale time sequence data pair after warping.
In the embodiment of the invention, the dynamic time warping technology is used for dynamically aligning the time series data of different subsystems or the time series data of different sources in the same subsystem in pairs; the different subsystems refer to different signal subsystems, and the signal subsystems mainly comprise the computer interlocking, the train control center, the ZPW2000 series non-insulated frequency shift track circuit, the wireless block center, the dispatching centralized system and the like.
Dynamic time warping (Dynamic Time Warping, DTW) is a template matching algorithm based on dynamic warping that locally compresses or stretches the two sequences according to their similarity, so that the two sequences are optimally matched.
The time series data of two different subsystems or two different sources in the same subsystem are respectively recorded as R= { R 1 ,R 2 ,R 3 ,...,R n }，T＝{T 1 ,T 2 ,T 3 ,...,T m N and m are total frames of time-series data R and T, respectively; r is R i Feature vector, T, representing the ith frame of time series sequence data R j The feature vector of the j-th frame representing the time series sequence data T, i=1, 2,3,..n, j=1, 2,3,..m.
The degree of distortion of the time-series data R and T determines the degree of similarity of the time-series data R and T, and the smaller the degree of distortion, the higher the degree of similarity, R will be i And T is j The distortion degree of (a) is denoted as D (i, j), and the state transfer function D (i, j) is set to match R in the time series data T i At time series data R T is matched j Is a distortion factor of (a).
To find the final state transfer function D (m, n), a matrix is defined, each row-column value (i, j) of which contains D (i, j) and D (i, j), for a regular set of paths w= { W 1 ,w 2 ,w 3 ,...,w K The } is:
wherein K represents the number of regular path elements, w k Represents a kth rule path; constraints of the regular path set W include: w (w) 1 = (1, 1) and w K ＝(m,n)；a k+1 ≤a k +1, and b k+1 ≤b k +1 whenw k ＝(a k ,b k ),w k+1 ＝(a k+1 ,b k+1 ) A and b represent coordinate values of each point set in the regular path, and subscript k is a sequence number of the regular path; a, a k+1 ≥a k ,b k+1 ≥b k And a k +b k ≠a k+1 +b k+1 When->w k ＝(a k ,b k ),w k+1 ＝(a k+1 ,b k+1 ) The method comprises the steps of carrying out a first treatment on the surface of the Based on the constraint conditions, the state transfer function D (i, j) is obtained as follows:
and obtaining a path from the position (1, 1) to the position (n, m) through the state transfer function in the matrix, and aligning two time series data according to the row and column numbers of each position point on the path, thereby obtaining time series data X and Y of the unified scale after normalization. The aforementioned constraints limit that each step can only go from the (i, j) position to (i+1, j), (i, j+1) or (i+1, j+1). The dynamic regular path is one of all paths that satisfies the minimum Σd (i, j) passing through each point.
And step 2, performing control safety information consistency comparison based on the regular time sequence data pairs with uniform scales.
The time series data pair of the unified time scale after the normalization can be obtained through the step 1, as shown in fig. 2. The CSM is short for a signal centralized monitoring system by carrying out data comparison and logic analysis on key data among signal subsystem interfaces, and the CSM comprises a station layer signal centralized monitoring safety supervision and a center layer signal centralized monitoring safety supervision.
In the embodiment of the invention, the consistency comparison of the train control safety information mainly comprises the following steps:
1. the interlock SA (Signaling Authority, signal permit) information and the interlock route information of the unified scale after the regulation are compared with each other in consistency, it is to interlock route information and interlock SA information to carry on the overall process supervision; when the interlocking sends SA information to the wireless blocking center, the logic correctness of the interlocking SA information is continuously compared, after the route is cancelled, changed and the state of basic signal equipment is changed, whether the SA information is changed along with the change is checked, if the SA information is not changed along with the change, the fact that the SA information and the basic signal equipment are inconsistent is indicated, and risk early warning should be given.
In the embodiment of the invention, the interlocking SA information and the interlocking route information are dynamic information of computer interlocking, belong to time series data of different sources in the same subsystem, are regulated by the step 1 to obtain time series data pairs with uniform scales, and are sent to CSM (Carrier sense Module), and finally are compared by a train control safety supervision server.
2. And (5) comparing the MA (Movement Authority, driving license) information of the regular and uniformly-scaled wireless block center with the interlocking route information.
In the embodiment of the present invention, the MA information and the interlocking route information of the wireless blocking center belong to time series data of two different subsystems, and the time series data pairs with uniform scales are obtained after the normalization in the step 1, and then the consistency comparison is performed, which includes the following situations:
1) MA information crosses the disable signal: and checking the MA information of the wireless blocking center and the interlocking route information, checking the lighting state of the signaling machine in the coverage area of the MA information, and outputting risk early warning when a forbidden signal (for example, train running in) exists in the coverage area of the MA information.
2) MA passes through occupied zones: checking MA information, interlocking route information and interlocking SA information of a wireless block center, checking the section occupation state in the MA information coverage area, and outputting risk early warning when the section occupation at the end of the MA information or the section state in the MA information coverage area is abnormal (such as abnormal red light bands).
It can be appreciated by those skilled in the art that the abnormal red light band is a fault scenario of the professional track section of the railway signal, and belongs to one of the risk early warning.
3) The MA information turnout position is inconsistent with the turnout position in the interlocking route information: checking MA information of the wireless blocking center and interlocking route information, calculating the representation state of the turnout in the coverage area of the MA information, and comparing the representation state with the turnout representation state in the interlocking route information; and outputting risk early warning when the two turnouts indicate the condition of inconsistent states.
3. Comparing the section occupation state consistency among subsystems: and carrying out association analysis on the occupied states of the same section in different subsystems. The information related to this case refers to time series data of different subsystems, and the time series data pairs with uniform scales are obtained after the normalization in the step 1, and then the association analysis is performed, including the following cases:
1) And comparing the section occupation state consistency among the station layer subsystems: the occupation state of the section in the station takes the computer interlocking as a target, the occupation state of the section takes the column control center as a target, and the section occupation states in the computer interlocking, the column control center, the ZPW2000 series uninsulated frequency shift track circuit and the dispatching centralized system are compared pairwise.
2) And (3) comparing the occupation state consistency of the central layer section: taking the section occupation state of the computer interlocking as a target, and comparing the section occupation states of the computer interlocking and the wireless block center in pairs.
And when the station yard representation information is maintained due to downtime of one subsystem or other reasons and is inconsistent with the occupation state of the corresponding section in other subsystems, outputting risk early warning.
4. Line direction consistency comparison between adjacent station train control center intervals: the method comprises the steps that a station acquires direction state information of a line in a column control center interval of an adjacent station, and then verifies line direction states of corresponding intervals of two stations; when the station changes direction, the adjacent stations generate inconsistent alarm if the stations do not synchronously change direction.
The information related to the situation belongs to time series data of different sources in the same subsystem, and the time series data pairs with uniform scales are obtained after the normalization in the step 1, and then consistency comparison is carried out.
Those skilled in the art will appreciate that the term "change" is a term used in rail transit to mean that the direction of the train is reversed.
5. Adjacent station train control center adjacent section occupation logic consistency comparison: 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, and 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 by the station, and when the comparison results are inconsistent, outputs risk early warning.
The information related to the situation belongs to time series data of different sources in the same subsystem, and the time series data pairs with uniform scales are obtained after the normalization in the step 1, and then consistency comparison is carried out.
And step 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 station diagrams.
In the embodiment of the invention, the real-time alarm information corresponds to the ongoing risk early warning, the history alarm information corresponds to the already occurring risk early warning, various risk early warning can set corresponding levels according to actual conditions, and when the alarm information is displayed, the relevant levels, the relevant alarm types and the alarm content are displayed together.
In addition, when risk early warning occurs, a specific fault sending part is often located, for example, a certain section of track or a turnout, a signal machine and the like, so that the risk early warning can be clearly defined by displaying a relevant 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; fig. 4 to 5 are respectively showing interfaces for counting and querying the historical alarm information which has occurred; FIG. 6 is corresponding yard representation information, from which the current track of the train can be visually seen in FIG. 6; FIG. 7 can display a view of the correlation between multiple system sources of data, in contrast to the presentation functionality.
Fig. 8 shows a specific network structure for implementing the above scheme of the embodiment of the present invention.
The left side part is a station layer signal subsystem, wherein: the CBI system is connected with a CSM station machine (namely a CBI maintenance terminal of a middle dotted line frame on the left side of fig. 8 and a CSM station machine of a new edition) through two standard unidirectional serial interfaces (RS 422); the new version of CSM station machine is connected with TCC (namely TCC maintenance terminal of the middle broken line frame on the left side of figure 8) through a standard unidirectional serial interface; the CSM station machine of the new edition is connected with the CTC maintenance terminal through a standard unidirectional serial interface; the new CSM station is connected with the ZWP2000 maintenance terminal in a bidirectional manner through RJ 45; the existing CMS station maintains the existing interface mode with TCC, ZPW-2000, CTC (i.e., the corresponding maintenance terminal of the dashed box between the bottom left of fig. 8). Those skilled in the art will appreciate that existing CSM station machines are systems that have been turned on and are in actual use at railway stations; the new version of CSM station machine is the next generation CSM station machine proposed according to the new version of technical requirements.
The middle part is a center layer signal subsystem, wherein: the RBC maintenance terminal and the CSM interface server (abbreviated as an interface server in figure 8) pass through a standard unidirectional serial interface; the TSRS maintenance terminal and the CSM interface server pass through a standard unidirectional serial interface; the CTC central server and the CSM interface server are connected through an RJ45 one-way physical network gate interface, and a one-way serial interface for the CSM to send pre-alarm information to the CTC central interface server is reserved. The CTC central interface server is connected with the CTC central server on the right side in a bidirectional way through RJ 45. The information is collected through the network structure shown in fig. 8, and then the information is transmitted to the train control safety supervision server for consistency comparison, and the step flow can be described as follows:
1. the data of the station layer required by train control safety supervision analysis is required to be obtained from CBI, TCC, ZPW and CTC systems. The existing CSM station machine needs to be additionally provided with a train control safety supervision station machine, interface data are respectively obtained from the CSM station machine and the 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 can then directly acquire data from the relevant interface system. The collected data is uploaded 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 to the place where the RBC center is positioned, and a serial port is used for communicating with an RBC maintenance terminal to complete RBC data acquisition work; and adding a CTC center interface server and an interface server (namely an interface server 1 in the figure) at the CTC center of the office group company, isolating with a center CTC through a unidirectional gateway to complete the data acquisition work of the CTC center, and reserving unidirectional serial ports of the interface server and the CTC center interface server. And uploading the collected data to a train control safety supervision server through a monitoring private network.
3. The system comprises a station layer and a central layer signal subsystem, wherein the station layer and the central layer signal subsystem are respectively connected with a central control system (CTC) interface server, a central control system (CTC) interface server and a central control system (CTC) interface server, and the CTC interface server is connected with a central Control System (CSM) interface server.
4. Train control safety supervision server and RBC (reserved TSRS, DMS) related train-ground, cross-station and cross-system information safety supervision analysis; and the analysis result is sent to the CSM application server through the monitoring network, and the CSM terminal performs browsing and reference.
Compared with the prior art, the scheme provided by the embodiment of the invention has the following advantages: firstly, preprocessing the data of each subsystem by using a DTW algorithm based on dynamic time warping, and processing the data which are transmitted by each subsystem and have different time sequences, so that the data have smaller distortion degree and higher similarity is ensured. By using the dynamic time regulation method, the data analyzed by the system has relatively the same time sequence, so that the safety supervision analysis flow and the early warning service are more accurate and convinced.
From the description of the above embodiments, it will be apparent to those skilled in the art that the above embodiments may be implemented in software, or may be implemented by means of software plus a necessary general hardware platform. With such understanding, the technical solutions of the foregoing embodiments may be embodied in a software product, where the software product may be stored in a nonvolatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.), and include several instructions for causing a computer device (may be a personal computer, a server, or a network device, etc.) to perform the methods of the embodiments of the present invention.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional modules is illustrated, and in practical application, the above-described functional allocation may be performed by different functional modules according to needs, i.e. the internal structure of the system is divided into different functional modules to perform all or part of the functions described above.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (6)
1. A signal centralized monitoring safety information supervision method based on a dynamic time warping technology is characterized by comprising the following steps:
dynamically aligning time sequence data of different subsystems or time sequence data of different sources in the same subsystem by two pairs by using a dynamic time warping technology to obtain a unified scale time sequence data pair after warping;
based on the regular time sequence data pairs with uniform scales, performing consistency comparison of the control safety information;
displaying the consistency comparison result of the train control safety information;
the dynamic time alignment technique is used to dynamically align time series data of different subsystems or time series data of different sources in the same subsystem, and the time series data pair for obtaining uniform scale after alignment comprises:
the time series data of two different subsystems or the time series data of different sources in the same subsystem are respectively marked as R= { R 1 ,R 2 ,R 3 ,...,R n }，T＝{T 1 ,T 2 ,T 3 ,...,T m N and m are total frames of time-series data R and T, respectively; r is R i Feature vector, T, representing the ith frame of time series sequence data R j Representing timingFeature vector of the j-th frame of the sequence data T, i=1, 2,3,., n, j=1, 2,3,., m;
the degree of distortion of the time-series data R and T determines the degree of similarity of the time-series data R and T, and the smaller the degree of distortion, the higher the degree of similarity, R will be i And T is j The distortion degree of (a) is denoted as D (i, j), and the state transfer function D (i, j) is set to match R in the time series data T i At time series data R T is matched j Is a distortion degree of (2);
defining a matrix, each row-column value (i, j) of the matrix comprising D (i, j) and D (i, j), for a regular set of paths w= { W 1 ,w 2 ,w 3 ,...,w K The } is:
wherein D (m, n) represents the final state transfer function, K represents the number of regular path elements, w k Represents a kth rule path; constraints of the regular path set W include: w (w) 1 = (1, 1) and w K ＝(m,n)；a k+1 ≤a k +1, and b k+1 ≤b k +1 whenw k ＝(a k ,b k ),w k+1 ＝(a k+1 ,b k+1 ) A and b represent coordinate values of each point set in the regular path, and subscript k is a sequence number of the regular path; a, a k+1 ≥a k ,b k+1 ≥b k And a k +b k ≠a k+1 +b k+1 When->w k ＝(a k ,b k ),w k+1 ＝(a k+1 ,b k+1 ) The method comprises the steps of carrying out a first treatment on the surface of the Based on the constraint conditions, the obtained state transfer function is as follows:
and obtaining a path from the position (1, 1) to the position (n, m) through the state transfer function in the matrix, aligning two time series data according to the row and column number of each position point on the path, and obtaining the time series data pair with unified scale after normalization.
2. The method for monitoring and supervising the safety information in a centralized manner based on the signal of the dynamic time warping technique according to claim 1, wherein the step of performing the alignment of the consistency of the control safety information based on the pair of time series data of the unified scale after the warping comprises:
the interlocking SA information and the interlocking route information of the regular uniform scale are not in consistent comparison, and the overall process supervision is carried out on the interlocking route information and the SA information; when the interlocking sends SA information to the wireless blocking center, continuously comparing the logic correctness of the interlocking SA information, after the route is cancelled, changed and the state of basic signal equipment is changed, checking whether the interlocking SA information is changed along with the change, and if the interlocking SA information is not changed along with the change, giving risk early warning; wherein, the interlocking SA information and the interlocking route information belong to time series data of different sources in the same subsystem;
the method comprises the following steps of comparing MA information of a regular unified scale wireless block center with interlocking route information in a consistent manner, wherein the MA information and the interlocking route information belong to time sequence data of two different subsystems, and the conditions of comparing in the consistent manner are as follows: MA information crosses the disable signal: checking MA information of a wireless block center and interlocking route information, checking the lighting state of a signal machine in the coverage area of the MA information, and outputting risk early warning when a forbidden signal exists in the coverage area of the MA information; MA passes through occupied zones: checking MA information, interlocking route information and interlocking SA information of a wireless block center, checking a section occupation state in a MA information coverage area, and outputting risk early warning when the section occupation of the MA information end or the section state in the MA information coverage area is abnormal; the MA information turnout position is inconsistent with the turnout position in the interlocking route information: checking MA information of the wireless blocking center and interlocking route information, calculating the representation state of the turnout in the coverage area of the MA information, and comparing the representation state with the turnout representation state in the interlocking route information; when the two turnouts show the condition that the states are inconsistent, outputting risk early warning;
the section occupation state consistency comparison among subsystems refers to the time sequence data pairs of different subsystems with unified scales after the related information is regulated, and the time sequence data pairs comprise: the consistency comparison of the section occupation state among the station layer subsystems is compared with the consistency comparison of the section occupation state of the central layer;
the line direction consistency comparison between adjacent station train control center sections refers to the time series data pairs of different sources of the same subsystem with unified scales after the normalization, and the consistency comparison mode is as follows: the method comprises the steps that a station acquires direction state information of a line in a column control center interval of an adjacent station, and then verifies line direction states of corresponding intervals of two stations; when the station changes direction, if the adjacent stations do not synchronously change direction, inconsistent alarm is generated;
the adjacent station train control center adjacent section occupies logic consistency comparison, the related information refers to time series data pairs of different sources of the same subsystem with unified scales after being regulated, 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 combines the running direction of the train, and the adjacent station train control center adjacent section occupation logic consistency comparison is realized by the station combining the real-time state information of the boundary section.
3. The method for supervising the centralized monitoring of the safety information by the signals based on the dynamic time warping technology according to claim 2, wherein the comparing of the section occupation state consistency between the sub-systems of the station layer comprises the following steps: the occupied state of the section in the station takes the computer interlocking as a target, the occupied state of the section takes the column control center as a target, and the section occupied states of the computer interlocking, the column control center, the ZPW2000 series uninsulated frequency shift track circuit and the dispatching centralized system are compared pairwise.
4. The method for monitoring and supervising safety information in a centralized manner based on a dynamic time warping technique according to claim 2, wherein the comparison of the occupation state consistency of the central layer section comprises: 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 wireless block center in pairs.
5. The method for monitoring and supervising safety information in a centralized manner according to any one of claims 1 to 4, wherein the different subsystems are different signal subsystems, and the method comprises: computer interlocking, train control center, ZPW2000 series non-insulated frequency shift track circuit, wireless block center and dispatching centralized system.
6. The method for supervising the centralized monitoring of safety information by signals based on the dynamic time warping technique according to claim 2, wherein the displaying the results of the consistency comparison of the train control safety information comprises: displaying real-time alarm information, historical alarm information, associated real-time values and station yard graphs;
the real-time alarm information corresponds to the ongoing risk early warning, the history alarm information corresponds to the already occurring risk early warning, and various risk early warning sets corresponding levels; meanwhile, the specific position where the fault occurs is defined during early warning of each risk, and the real-time value and the station diagram are displayed together.
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