CN113781775A - Urban rail transit multi-signal real-time processing method and system - Google Patents
Urban rail transit multi-signal real-time processing method and system Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/097—Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
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Abstract
The invention relates to the technical field of urban rail transit, and discloses a method and a system for processing multiple signals of urban rail transit in real time; the urban rail transit multi-signal real-time processing method comprises the following steps: s1: setting a track terminal; s2: managing terminal connection; s3: receiving a management signal; s4: processing a terminal signal; s5: the invention realizes IP management of urban rail transit, performs simulated operation calculation budget on a plurality of urban rail transit signals with unique IP identification numbers at the same-direction and opposite-direction rails, determines adjustment data, transmits the adjustment data to the corresponding urban rail transit, adjusts the operation speed of the urban rail transit, can ensure that the distance of vehicles is kept within a safe range, can practically avoid safety problems caused by too large or too small distance between the vehicles, and provides guarantee for safe travel of people.
Description
Technical Field
The invention belongs to the technical field of urban rail transit, and particularly relates to a method and a system for processing multiple signals of urban rail transit in real time.
Background
Urban rail transit is a vehicle transportation system that uses a rail structure for bearing and guiding. The urban rail transit is the backbone of urban public transport, has the characteristics of energy conservation, land conservation, large transportation volume, all weather, no pollution, safety and the like, belongs to a green environment-friendly transportation system, and is particularly suitable for large and medium-sized cities.
The existing urban rail transit management and control system can only realize the management of a single signal generally, and cannot realize the sharing of data of multiple signals, and the mode is difficult to ensure that the distance between vehicles is kept within a safe range, so that the distance between the vehicles is too large or too small, and the safety problem occurs; therefore, improvements are now needed in view of the current situation.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a method and a system for processing multiple signals of urban rail transit in real time, which effectively solve the problem that the existing urban rail transit management and control system can only realize the management of a single signal and can not realize the sharing of data of multiple signals, and the mode is difficult to ensure that the distance between vehicles is kept within a safe range, so that the distance between the vehicles is too large or too small and the safety problem occurs.
In order to achieve the purpose, the invention provides the following technical scheme: a real-time processing method for multiple signals of urban rail transit comprises the following steps:
s1: track terminal setting: the method comprises the steps that monitoring systems are installed on a plurality of urban rail transit terminals and are installed in a cable connection mode, and IP identification numbers are carried out on the urban rail transit terminals according to different communication protocols of the monitoring systems, so that each urban rail transit terminal has a unique IP identification number, and each monitoring system comprises a positioning module, a speed measuring module and a signal output module;
s2: the management terminal is connected: connecting a plurality of urban rail transit terminals with IP identification numbers with a management terminal in a wireless transmission mode, setting a point type responder at an operation track according to the distance of 1000-1200m, and then correspondingly connecting the point type responder with the urban rail transit terminals and the management terminal which pass through corresponding tracks, wherein the connection mode selects wireless transmission;
s3: management signal reception: when the urban rail transit is in operation, a monitoring system on the urban rail transit terminal monitors position information and speed information of the urban rail transit terminal, sends monitoring information to a point type responder after passing through the point type responder of a corresponding point, sends the monitoring information and a corresponding urban rail transit IP identification number to a management terminal by the point type responder, and receives the monitoring information by the management terminal;
s4: and (3) terminal signal processing: after receiving the monitoring information sent by the point type responder and the corresponding urban rail transit IP identification number, the management terminal carries out real-time positioning and speed measurement simulation on the corresponding simulated urban rail transit of the IP identification number in the urban rail simulation map, and carries out driving prediction on the urban rail transit at the current speed, wherein the prediction content comprises the following steps: calculating the running distance according to the specific running condition of the urban rail transit, calculating the distance between the urban rail transit in the same direction and the urban rail transit in the opposite direction according to the running distance, correspondingly adjusting and measuring the running speed according to the distance, and determining adjustment data;
s5: terminal signal feedback: on the basis of the step S4, after the adjustment data is determined, the data information is sent to the point transponder of the corresponding track where the urban rail transit corresponding to the IP identification number operates, and then the point transponder sends the data information to the urban rail transit terminal corresponding to the IP identification number, and after the urban rail transit terminal receives the data, the operation speed of the urban rail transit is adjusted.
Preferably, the urban rail transit is specifically a subway or a light rail, the positioning module is specifically a centimeter-level real-time positioning technology based on a NovAtel real-time RTK technology, a NovAtel post-event difference technology and a star station difference technology, and the speed measuring module is specifically a ranging microwave radar.
Preferably, the specific process of the IP identification number is as follows: the method comprises the following steps: identifying IP addresses, destination domain names and domain name types of signals sent by different monitoring systems of a plurality of urban rail transit terminals; secondly, the step of: analyzing the characteristics of the IP address, the target domain name, the target IP address and the domain name type, and obtaining word segmentation characteristics; ③: and setting and matching unique label labels of different monitoring systems according to different word cutting characteristics so as to obtain the unique IP identification number of the urban rail transit terminal.
Preferably, the wireless transmission mode includes one or a combination of several of Z-Wave access, GSM access, CDMA access, TD-SCDMA access, CDPD access, LMDS access, DBS access, and WCDMA access.
Preferably, the point transponder is a CTCS-type point transponder, and the point transponder includes a fixed point transponder and a non-fixed point transponder, the fixed point transponder is used for fixing and storing information, and the non-fixed point transponder is used for completing data receiving and processing.
Preferably, the urban rail simulation map is established in a GIS server, simulation point information of different urban rail transit is established on the urban rail simulation map, a data table of the information is established, then operation changes of different urban rail transit are simulated and recorded, and data table information is updated.
Preferably, the urban rail transit multi-signal real-time processing system comprises a point type management and control system, wherein the point type management and control system is used for receiving, sending and storing all data of an urban rail transit terminal and a management terminal, and comprises a plurality of point type responders installed at a running track;
a monitoring system; the monitoring system is arranged at the urban rail transit terminal and is used for monitoring the position information and the running speed information of the corresponding urban rail transit in real time, sending the information data to the point type management and control system and sending the information data to the management terminal by the point type management and control system;
identifying a numbering system; the system comprises an identification numbering system, a point type management and control system and a monitoring system, wherein the identification numbering system is arranged at an urban rail transit terminal and is used for identifying the IP address, the destination domain name and the domain name type of the monitoring system, carrying out characteristic analysis on the monitoring system, editing a unique IP identification number according to a characteristic analysis result and sending the edited IP identification number to a management terminal through the point type management and control system;
a signal receiving system; the signal receiving system is arranged at the urban rail transit terminal and is used for receiving all data sent by the point type management and control system;
an information receiving system; the information receiving system is arranged at the management terminal and is used for receiving all data sent by the point type management and control system;
a track simulation system; the track simulation system is arranged at the management terminal and used for establishing a simulation map of the urban track in the GIS server;
a data matching system; the data matching system is arranged at the management terminal and used for matching the urban rail transit point location information with the unique IP identification number sent by the identification number system, matching the urban rail transit point location information with the unique IP identification number to a corresponding position in a simulation map of the rail simulation system and carrying out simulated movement of the position according to the position information sent by the monitoring system;
a budget calculating system; the budget measuring and calculating system is arranged at the management terminal and used for carrying out speed measurement simulation according to the running speed information sent by the monitoring system, calculating the distance between urban rail transit at the same track and urban rail transit at opposite tracks according to the speed measurement simulation result, correspondingly adjusting and calculating the running speed according to the distance, determining adjustment data, sending the adjustment data to the point type management and control system and sending the adjustment data to the urban rail transit terminal by the point type management and control system.
Preferably, the management terminal is one or a combination of several of a computer and a central arithmetic unit.
Compared with the prior art, the invention has the beneficial effects that: 1. according to the invention, the urban rail transit is subjected to the unique IP identification number, so that the IP management of the urban rail transit is realized, the budget is calculated by simulating the operation of a plurality of signals of the urban rail transit with the unique IP identification number at the same-direction and opposite-direction rails, the adjustment data is determined according to the budget data, the adjustment data is sent to the corresponding urban rail transit, the operation speed of the urban rail transit is adjusted, the distance between vehicles can be ensured to be kept in a safe range, the safety problem caused by too large or too small distance between the vehicles can be practically avoided, and the safety trip of people is ensured;
2. according to the invention, data transfer is carried out through a point type management and control system, matching and speed measurement simulation are carried out on urban rail transit point location information through a management terminal, a plurality of signals can be simultaneously processed in real time, and multi-signal data are shared, so that system integration of the information of a plurality of urban rail transit is realized, the data can be processed more quickly and more efficiently while the safe operation of the urban rail transit is ensured, and the operation mode of the terminal can avoid the condition of operation short circuit caused by data overload;
3. according to the invention, data management is carried out through the management terminal without single management, so that the management efficiency is effectively improved, the intelligent centralized management and control also reduces the labor amount of workers, and the operation cost is reduced.
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The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a block diagram of the system 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 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 of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a technical solution: a real-time processing method for multiple signals of urban rail transit comprises the following steps:
s1: track terminal setting: the method comprises the steps that monitoring systems are installed on a plurality of urban rail transit terminals and are installed in a cable connection mode, and IP identification numbers are carried out on the urban rail transit terminals according to different communication protocols of the monitoring systems, so that each urban rail transit terminal has a unique IP identification number, and each monitoring system comprises a positioning module, a speed measuring module and a signal output module;
s2: the management terminal is connected: connecting a plurality of urban rail transit terminals with IP identification numbers with a management terminal in a wireless transmission mode, setting a point type responder at an operation track according to the distance of 1000-1200m, and then correspondingly connecting the point type responder with the urban rail transit terminals and the management terminal which pass through corresponding tracks, wherein the connection mode selects wireless transmission;
s3: management signal reception: when the urban rail transit is in operation, a monitoring system on the urban rail transit terminal monitors position information and speed information of the urban rail transit terminal, sends monitoring information to a point type responder after passing through the point type responder of a corresponding point, sends the monitoring information and a corresponding urban rail transit IP identification number to a management terminal by the point type responder, and receives the monitoring information by the management terminal;
s4: and (3) terminal signal processing: after receiving the monitoring information sent by the point type responder and the corresponding urban rail transit IP identification number, the management terminal carries out real-time positioning and speed measurement simulation on the corresponding simulated urban rail transit of the IP identification number in the urban rail simulation map, and carries out driving prediction on the urban rail transit at the current speed, wherein the prediction content comprises the following steps: calculating the running distance according to the specific running condition of the urban rail transit, calculating the distance between the urban rail transit in the same direction and the urban rail transit in the opposite direction according to the running distance, correspondingly adjusting and measuring the running speed according to the distance, and determining adjustment data;
s5: terminal signal feedback: on the basis of the step S4, after the adjustment data is determined, the data information is sent to the point transponder of the corresponding track where the urban rail transit corresponding to the IP identification number operates, and then the point transponder sends the data information to the urban rail transit terminal corresponding to the IP identification number, and after the urban rail transit terminal receives the data, the operation speed of the urban rail transit is adjusted.
The positioning module is a centimeter-level real-time positioning technology based on a NovAtel real-time RTK technology, a NovAtel post-event difference technology and a star station difference technology, and the speed measuring module is a ranging microwave radar; the specific process of the IP identification number is as follows: the method comprises the following steps: identifying IP addresses, destination domain names and domain name types of signals sent by different monitoring systems of a plurality of urban rail transit terminals; secondly, the step of: analyzing the characteristics of the IP address, the target domain name, the target IP address and the domain name type, and obtaining word segmentation characteristics; ③: setting and matching unique label labels of different monitoring systems according to different word cutting characteristics so as to obtain unique IP identification numbers of the urban rail transit terminals; the wireless transmission mode comprises one or a combination of more of Z-Wave access, GSM access, CDMA access, TD-SCDMA access, CDPD access, LMDS access, DBS access and WCDMA access; the point type responder is a CTCS point type responder, and comprises a fixed point type responder and a non-fixed point type responder, wherein the fixed point type responder is used for fixing and storing information, and the non-fixed point type responder is used for completing the work of receiving and processing data; the urban rail simulation map is established in a GIS server, simulation point information of different urban rail transit is established on the urban rail simulation map, a data table of the information is established, then operation changes of the different urban rail transit are simulated and recorded, and data table information is updated.
Through the steps, the urban rail transit is subjected to the unique IP identification number, so that the IP management of the urban rail transit is realized, the simulated operation calculation budget of a plurality of urban rail transit signals with the unique IP identification numbers at the same-direction and opposite-direction rails is carried out, the adjustment data is determined according to the budget data, the adjustment data is sent to the corresponding urban rail transit, the operation speed of the urban rail transit is adjusted, the distance between the vehicles can be kept within a safe range, the safety problem caused by the fact that the distance between the vehicles is too large or too small can be practically avoided, and the safety travel guarantee is brought to people.
As shown in fig. 2, an urban rail transit multi-signal real-time processing system includes a point type management and control system, the point type management and control system is used for receiving, sending and storing all data of an urban rail transit terminal and a management terminal, the point type management and control system includes a plurality of point type transponders installed at a running track;
a monitoring system; the monitoring system is arranged at the urban rail transit terminal and is used for monitoring the position information and the running speed information of the corresponding urban rail transit in real time, sending the information data to the point type management and control system and sending the information data to the management terminal by the point type management and control system;
identifying a numbering system; the system comprises an identification numbering system, a management terminal and a monitoring system, wherein the identification numbering system is arranged at the urban rail transit terminal and is used for identifying the IP address, the destination domain name and the domain name type of the monitoring system, carrying out characteristic analysis on the monitoring system, editing a unique IP identification number according to a characteristic analysis result, and sending the edited IP identification number to the management terminal through a point type management and control system;
a signal receiving system; the signal receiving system is arranged at the urban rail transit terminal and is used for receiving all data sent by the point type management and control system;
an information receiving system; the information receiving system is arranged at the management terminal and is used for receiving all data sent by the point type management and control system;
a track simulation system; the track simulation system is arranged at the management terminal and used for establishing a simulation map of the urban track in the GIS server;
a data matching system; the data matching system is arranged at the management terminal and used for matching the urban rail transit point location information with the unique IP identification number sent by the identification number system, matching the urban rail transit point location information to a corresponding position in a simulation map of the rail simulation system and carrying out simulated movement of the position according to the position information sent by the monitoring system;
a budget calculating system; the budget calculating system is arranged at the management terminal and used for carrying out speed measurement simulation according to the running speed information sent by the monitoring system, calculating the distance between urban rail transit at the same direction and opposite tracks according to the speed measurement simulation result, correspondingly adjusting and calculating the running speed according to the distance, determining adjustment data, sending the adjustment data to the point type management and control system and sending the adjustment data to the urban rail transit terminal by the point type management and control system.
The management terminal is one or a combination of a plurality of computers or central arithmetic units.
Carry out the transfer of data through point type management and control system, rethread management terminal matches and tests the speed the simulation to urban rail transit point location information, can carry out real-time processing to a plurality of signals simultaneously, and the data with many signals has carried out the sharing, make a plurality of urban rail transit's information implementation system integration, when having guaranteed a plurality of urban rail transit's safe operation, the processing to data is faster, and efficiency is higher, and the terminal mode of operation can be avoided the situation of the operation short circuit that causes by data overload.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A real-time processing method for multiple signals of urban rail transit is characterized by comprising the following steps: the method comprises the following steps:
s1: track terminal setting: the method comprises the steps that monitoring systems are installed on a plurality of urban rail transit terminals and are installed in a cable connection mode, and IP identification numbers are carried out on the urban rail transit terminals according to different communication protocols of the monitoring systems, so that each urban rail transit terminal has a unique IP identification number, and each monitoring system comprises a positioning module, a speed measuring module and a signal output module;
s2: the management terminal is connected: connecting a plurality of urban rail transit terminals with IP identification numbers with a management terminal in a wireless transmission mode, setting a point type responder at an operation track according to the distance of 1000-1200m, and then correspondingly connecting the point type responder with the urban rail transit terminals and the management terminal which pass through corresponding tracks, wherein the connection mode selects wireless transmission;
s3: management signal reception: when the urban rail transit is in operation, a monitoring system on the urban rail transit terminal monitors position information and speed information of the urban rail transit terminal, sends monitoring information to a point type responder after passing through the point type responder of a corresponding point, sends the monitoring information and a corresponding urban rail transit IP identification number to a management terminal by the point type responder, and receives the monitoring information by the management terminal;
s4: and (3) terminal signal processing: after receiving the monitoring information sent by the point type responder and the corresponding urban rail transit IP identification number, the management terminal carries out real-time positioning and speed measurement simulation on the corresponding simulated urban rail transit of the IP identification number in the urban rail simulation map, and carries out driving prediction on the urban rail transit at the current speed, wherein the prediction content comprises the following steps: calculating the running distance according to the specific running condition of the urban rail transit, calculating the distance between the urban rail transit in the same direction and the urban rail transit in the opposite direction according to the running distance, correspondingly adjusting and measuring the running speed according to the distance, and determining adjustment data;
s5: terminal signal feedback: on the basis of the step S4, after the adjustment data is determined, the data information is sent to the point transponder of the corresponding track where the urban rail transit corresponding to the IP identification number operates, and then the point transponder sends the data information to the urban rail transit terminal corresponding to the IP identification number, and after the urban rail transit terminal receives the data, the operation speed of the urban rail transit is adjusted.
2. The urban rail transit multi-signal real-time processing method according to claim 1, characterized in that: the urban rail transit is specifically a subway or a light rail, the positioning module is specifically a centimeter-level real-time positioning technology based on a NovAtel real-time RTK technology, a NovAtel post-event differential technology and a star station differential technology, and the speed measuring module is specifically a ranging microwave radar.
3. The urban rail transit multi-signal real-time processing method according to claim 1, characterized in that: the specific process of the IP identification number is as follows: the method comprises the following steps: identifying IP addresses, destination domain names and domain name types of signals sent by different monitoring systems of a plurality of urban rail transit terminals; secondly, the step of: analyzing the characteristics of the IP address, the target domain name, the target IP address and the domain name type, and obtaining word segmentation characteristics; ③: and setting and matching unique label labels of different monitoring systems according to different word cutting characteristics so as to obtain the unique IP identification number of the urban rail transit terminal.
4. The urban rail transit multi-signal real-time processing method according to claim 1, characterized in that: the wireless transmission mode comprises one or a combination of more of Z-Wave access, GSM access, CDMA access, TD-SCDMA access, CDPD access, LMDS access, DBS access and WCDMA access.
5. The urban rail transit multi-signal real-time processing method and system according to claim 1, characterized in that: the point type transponder is particularly a CTCS point type transponder, the point type transponder comprises a fixed type and a non-fixed type, the fixed type point type transponder is used for fixing and storing information, and the non-fixed type point type transponder is used for completing data receiving and processing.
6. The urban rail transit multi-signal real-time processing method according to claim 1, characterized in that: the urban rail simulation map is built in a GIS server, simulation point information of different urban rail transit is built on the urban rail simulation map, a data table of the information is built, then operation changes of the different urban rail transit are simulated and recorded, and data table information is updated.
7. The urban rail transit multi-signal real-time processing system according to claim 1, characterized in that: the system comprises a point type management and control system, a data storage system and a data transmission system, wherein the point type management and control system is used for receiving, sending and storing all data of urban rail transit terminals and management terminals and comprises a plurality of point type responders arranged at a running rail;
a monitoring system; the monitoring system is arranged at the urban rail transit terminal and is used for monitoring the position information and the running speed information of the corresponding urban rail transit in real time, sending the information data to the point type management and control system and sending the information data to the management terminal by the point type management and control system;
identifying a numbering system; the system comprises an identification numbering system, a point type management and control system and a monitoring system, wherein the identification numbering system is arranged at an urban rail transit terminal and is used for identifying the IP address, the destination domain name and the domain name type of the monitoring system, carrying out characteristic analysis on the monitoring system, editing a unique IP identification number according to a characteristic analysis result and sending the edited IP identification number to a management terminal through the point type management and control system;
a signal receiving system; the signal receiving system is arranged at the urban rail transit terminal and is used for receiving all data sent by the point type management and control system;
an information receiving system; the information receiving system is arranged at the management terminal and is used for receiving all data sent by the point type management and control system;
a track simulation system; the track simulation system is arranged at the management terminal and used for establishing a simulation map of the urban track in the GIS server;
a data matching system; the data matching system is arranged at the management terminal and used for matching the urban rail transit point location information with the unique IP identification number sent by the identification number system, matching the urban rail transit point location information with the unique IP identification number to a corresponding position in a simulation map of the rail simulation system and carrying out simulated movement of the position according to the position information sent by the monitoring system;
a budget calculating system; the budget measuring and calculating system is arranged at the management terminal and used for carrying out speed measurement simulation according to the running speed information sent by the monitoring system, calculating the distance between urban rail transit at the same track and urban rail transit at opposite tracks according to the speed measurement simulation result, correspondingly adjusting and calculating the running speed according to the distance, determining adjustment data, sending the adjustment data to the point type management and control system and sending the adjustment data to the urban rail transit terminal by the point type management and control system.
8. The urban rail transit multi-signal real-time processing system according to claim 1, characterized in that: the management terminal is one or a combination of a plurality of computers or central arithmetic units.
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