CN112631259A - Novel train control system vehicle-mounted equipment simulation test platform integrating Beidou satellite positioning - Google Patents
Novel train control system vehicle-mounted equipment simulation test platform integrating Beidou satellite positioning Download PDFInfo
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/50—Determining position whereby the position solution is constrained to lie upon a particular curve or surface, e.g. for locomotives on railway tracks
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Abstract
The invention discloses a novel train control system vehicle-mounted equipment simulation test platform integrating Beidou satellite positioning, which is used for simulating satellite positioning information, train integrity check information, ground equipment information and train interface information required by the operation of novel train control system vehicle-mounted equipment integrating Beidou satellite positioning on the basis of information interaction of a simulation upper computer unit and a signal simulation unit with the novel train control system vehicle-mounted equipment, realizing the simulation of the ground equipment information and the train information under different operation scenes by configuring a test scene file, achieving the purpose of testing the ATP function of the vehicle-mounted equipment and realizing the detection of the ATP function of the novel train control system vehicle-mounted equipment.
Description
Technical Field
The invention relates to the technical field of high-speed railway train control, in particular to a novel train control system vehicle-mounted equipment simulation test platform integrating Beidou satellite positioning.
Background
With the development of high-speed railway systems in China, the technical system and the frame structure of a Chinese railway train control system (CTCS) are gradually improved, wherein CTCS-2 and CTCS-3 level train control systems are the train control systems which have the largest application scale and the most mature technology in China at present.
In order to meet the application requirements of severe complex environments of railways in the western and southwest China and solve the problems of dependence on ground equipment, more trackside equipment, high maintenance difficulty and the like of a CTCS train control system, the research of a novel train control system integrating Beidou satellite positioning is developed domestically. The novel train control system integrated with the Beidou satellite positioning is based on IP-based train-ground wireless communication, adopts autonomous positioning and integrity checking technology of the vehicle-mounted equipment based on the Beidou satellite positioning, reduces the quantity of trackside equipment to the maximum degree, and meets the application requirements of high reliability, high availability and less maintenance.
The novel train control system integrated with Beidou satellite positioning is used as a safety demanding system, ATP vehicle-mounted equipment in the novel train control system is tested in a simulation mode before the novel train control system is put into use, a large amount of manpower, material resources and financial resources can be saved, various fault conditions and other conditions which usually do not allow a material object test can be researched, and the novel train control system is very necessary. Therefore, how to develop a vehicle-mounted device simulation test platform for a novel train control system, the comprehensive and reliable test of the functions of the ATP vehicle-mounted device of the novel train control system is realized, technical support is provided for the test and problem analysis of a high-speed train signal system, and the problem is a problem which needs to be solved urgently.
Disclosure of Invention
The invention aims to provide a novel train control system vehicle-mounted equipment simulation test platform integrating Beidou satellite positioning, which can meet the laboratory test requirement of ATP function of novel train control system vehicle-mounted equipment integrating Beidou satellite positioning
The purpose of the invention is realized by the following technical scheme:
the utility model provides a fuse novel train control system mobile unit simulation test platform of big dipper satellite positioning, includes: the simulation system comprises a simulation upper computer unit and a signal simulation unit; wherein:
the simulation upper computer unit is used for generating a test scene file, outputting corresponding test information according to the information content of the test scene file to control an internal module of the signal simulation unit to output corresponding simulation information, receiving and storing vehicle interface information which is sent by the signal simulation unit and is used for the tested novel train control system vehicle-mounted equipment to execute corresponding operation, and displaying the vehicle interface information in real time;
the signal simulation unit includes: the system comprises a satellite signal generating module, a train integrity checking device signal generating module, a speed pulse signal generating module, a track circuit signal generating module, a transponder signal generating module, a wireless blocking center message generating module, a temporary speed limit server message generating module and an IO interface module, wherein under the control of a simulation upper computer unit, simulated Beidou satellite positioning information, simulated train integrity checking information, simulated ground equipment information and simulated train information are sent to novel train-mounted equipment of a tested train control system; and receiving and storing the information of the vehicle-mounted equipment of the tested novel train control system after the vehicle-mounted equipment executes the corresponding operation, and sending the vehicle interface information to the simulation upper computer unit.
According to the technical scheme provided by the invention, the simulation of the satellite positioning information, the train integrity check information, the ground equipment information and the train interface information required by the operation of the novel train control system vehicle-mounted equipment integrating Beidou satellite positioning is realized based on the information interaction of the simulation upper computer unit and the signal simulation unit with the novel train control system vehicle-mounted equipment, the simulation of the ground equipment information and the train information under different operation scenes is realized through the configuration of the test scene file, the purpose of testing the ATP function of the vehicle-mounted equipment is achieved, and the detection of the ATP function of the novel train control system vehicle-mounted equipment can be realized.
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 schematic structural diagram of a novel train control system vehicle-mounted device simulation test platform integrating Beidou satellite positioning provided by the embodiment of the invention;
fig. 2 is a test function flow chart of the novel train control system vehicle-mounted device simulation test platform integrating Beidou satellite positioning provided by the embodiment of the 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 embodiment of the invention provides a novel train control system vehicle-mounted equipment simulation test platform integrating Beidou satellite positioning. As shown in fig. 1, it mainly includes: the simulation system comprises a simulation upper computer unit and a signal simulation unit; wherein:
the simulation upper computer unit comprises an offline tool module and a scene control module, wherein the offline tool module is used for generating a test scene file, the scene control module outputs corresponding test information according to the information content of the test scene file to control an internal module of the signal simulation unit to output corresponding simulation information, receives and stores vehicle interface information which is sent by the signal simulation unit and is used for the tested novel train control system vehicle-mounted equipment to execute corresponding operation, and displays simulation test information in real time;
the signal simulation unit includes: the system comprises a satellite signal generating module, a train integrity checking device signal generating module, a speed pulse signal generating module, a track circuit signal generating module, a transponder signal generating module, a wireless blocking center message generating module, a temporary speed limit server message generating module and an IO interface module, wherein under the control of a simulation upper computer unit, simulated Beidou satellite positioning information, simulated train integrity checking information, simulated ground equipment information and simulated train information are sent to novel train-mounted equipment of a tested train control system; and receiving and storing the information of the vehicle-mounted equipment of the tested novel train control system after the vehicle-mounted equipment executes the corresponding operation, and sending the vehicle interface information to the simulation upper computer unit.
From the structure shown in fig. 1, the simulation upper computer unit is connected with the signal simulation unit, and the signal simulation unit is connected with the tested novel train control system vehicle-mounted device. Meanwhile, the simulation upper computer unit internally comprises an offline tool module and a scene control module which are connected with each other; the scene control module is connected with each module of the signal simulation unit.
For ease of understanding, the principles of the various parts of the platform described above and the interaction process between them will be further described below.
First, the working principle of each part.
The novel train control system integrated with Beidou satellite positioning is developed on the basis of a CTCS-3-level train control system and comprises vehicle-mounted equipment and ground equipment. In order to meet the operation requirements of low density and less maintenance of trackside equipment, the novel train control system vehicle-mounted equipment adopts train autonomous positioning and train integrity checking technology.
Compared with the CTCS-3 level train control system, the vehicle-mounted equipment of the novel train control system has the function of automatically positioning the multisource fusion train based on satellite positioning information, an electronic map and the like. And the train-mounted equipment of the train control system receives the satellite navigation information and the differential information, and the autonomous calculation of the train position is carried out by using a multi-source fusion positioning algorithm by combining the electronic map information and the speed sensor information. In addition, the train integrity check function is realized by the vehicle-mounted equipment and the train integrity check device installed at the tail of the train. The train integrity checking device collects the wind pressure information of the train, and also collects the position and the speed information of the tail part of the train by using a speed measuring and positioning device of the train, establishes connection with the vehicle-mounted equipment in a wireless communication mode and sends the wind pressure, the speed and the position information, and the vehicle-mounted equipment judges the train integrity according to the wind pressure, the speed of the train tail and the position of the train tail. Therefore, on the basis of a CTCS-3 level vehicle-mounted equipment simulation platform, external input required by a newly-added system function test needs to be simulated, and the full function test of the vehicle-mounted equipment of the novel train control system is realized.
According to the invention, aiming at the actual vehicle-mounted equipment of the novel train control system, the Beidou satellite positioning data, the train integrity inspection data, the ground equipment data, the train data and the related interfaces required by the operation of the novel train control system vehicle-mounted equipment integrating the Beidou satellite positioning are simulated in a mode of combining software and hardware, and the Beidou satellite positioning data, the train integrity inspection data, the ground equipment information and the train information under different scenes are configured by compiling test scene files, so that the ATP function of the tested novel train control system vehicle-mounted equipment is tested.
1. And (5) simulating an upper computer unit.
In the embodiment of the invention, the simulation upper computer unit mainly comprises: an offline tool module and a scene control module.
1) An offline tool module.
The off-line tool module is used for compiling a test scene file according to the test requirement; the test scene file is used for storing test numbers, test names, test versions, serial numbers, train positions, electronic map versions, electronic map data, track circuit data, transponder data, signal instructions of modules, annotation instructions and the like.
2) And a scene control module.
The scene control module is used for automatically loading the test scene file, sequentially reading and displaying the information in the test scene file one by one on a software interface; calculating the position of the train according to the simulated train speed, executing instructions in the test scene file one by one according to the position of the train, and sending corresponding test information to the signal simulation unit, so that the signal simulation unit generates a corresponding signal and outputs the corresponding signal to the vehicle-mounted equipment of the tested novel train control system; receiving operation of a tester through a simulation driver's cab of a software interface in the test process, and converting the operation into operation information of the driver's cab; the vehicle interface information of the vehicle-mounted equipment of the tested novel train control system is received and stored through bidirectional connection with an IO interface module of the signal simulation unit; and displaying simulation test information on a software interface of the scene control module, and providing a query function for vehicle interface information.
The scene control module mainly realizes the following three functions:
a) reading the test scene file, sending test related information, and receiving, storing and inquiring vehicle interface information.
After reading the test scene file, obtaining various test instructions; calculating the speed and the position of the train according to the running time, ATP braking information and operation information of a driving platform sent by the vehicle-mounted equipment, executing instructions in the test scene file one by one according to the position of the train, and sending test information to the signal simulation unit; the vehicle interface information of the tested novel train control system vehicle-mounted equipment is received and stored through the bidirectional connection with the IO interface module of the signal simulation unit, and meanwhile, the query function is provided for the vehicle interface information.
b) And receiving the operation of a tester in the test process.
In the test process, the scene control module receives the operation of a tester through a simulation driving platform of a software interface and converts the operation into corresponding driving platform operation information. The driver's seat operation information includes: the information of the driver's cab switch, the dormant switch, the direction handle, the traction handle, the brake handle and the door opening and closing button can be used for updating the train state information in the simulation test information.
c) And displaying the simulation test information.
The simulation test information mainly comprises test basic information, vehicle parameter information, vehicle-mounted equipment state information, driving platform operation information and train state information, wherein:
the test basic information comprises: test number, test name, test version and test state;
the vehicle parameter information includes: vehicle type, wheel diameter value, gear number and vehicle length;
the train state information includes: accumulated distance, remaining distance in current track circuit, and train speed.
The test basic information and the vehicle parameter information are test related information acquired in advance before testing; the operation information of the driving platform is used for simulating an actual operation environment, displaying the operation state of the driving platform and realizing the operation of a driver under a specific test scene.
The train state information is updated according to the vehicle interface information by the scene control module, but the train state information is not directly received. Specifically, the accumulated distance, the remaining distance in the current track circuit, and the train speed in the train state information are calculated based on the operation information of the driving station, and the Emergency Brake (EB), the maximum Service Brake (SB), the level 4 service brake (B4), the level 1 service brake (B1), and the cut-off traction (PCUT) obtained by the IO interface module.
The simulation test information displayed by the scene control module is used as the phenomenon of a driver's cab interface and a ground equipment interface when the tested vehicle-mounted equipment runs, and assists testers to judge whether the novel train control system vehicle-mounted equipment runs normally. Except the simulation test information displayed by the scene control module, other received feedback information is stored and inquired by the scene control module, the data interaction process between the vehicle-mounted equipment and the simulation external equipment is inquired according to time in the test process, and a tester is assisted to judge whether the processing logic of the vehicle-mounted equipment meets the design requirements of the novel train control system.
2. And a signal simulation unit.
The signal simulation unit mainly comprises: the train integrity checking device comprises a satellite signal generating module, a train integrity checking device signal generating module, a speed pulse signal generating module, a track circuit signal generating module, a transponder signal generating module, a wireless block center message generating module, a temporary speed limit server message generating module and an IO interface module.
As shown in fig. 1: 1) the control signal output end of the scene control module is respectively connected with the control signal input ends of the satellite signal generation module, the train integrity check device signal generation module, the speed pulse signal generation module, the track circuit signal generation module, the transponder signal generation module, the wireless block center message generation module and the temporary speed limit server message generation module; the scene control module is connected with the IO interface module in the signal simulation unit in a bidirectional mode. 2) The signal output ends of the satellite signal generation module, the speed pulse signal generation module, the track circuit signal generation module and the transponder signal generation module are connected with the vehicle-mounted equipment of the tested novel train control system; the wireless block center message generation module, the temporary speed limit server message generation module, the train integrity check device signal generation module and the IO interface module are connected with the vehicle-mounted equipment of the novel train control system to be tested in a two-way mode.
The signal simulation unit simulates information required by normal operation of the vehicle-mounted equipment of the tested novel train control system according to the test information sent by the scene control module, and comprises the following steps: the system comprises Beidou satellite positioning information simulated by a satellite signal generating module, train integrity checking information simulated by a train integrity checking device signal generating module, ground equipment information simulated by a track circuit signal generating module, a transponder signal generating module, a wireless blocking center message generating module and a temporary speed limiting server message generating module, and train information simulated by a speed pulse signal generating module and an IO interface module;
the signal simulation unit receives vehicle-mounted equipment information fed back after the vehicle-mounted equipment of the tested novel train control system executes corresponding operation; the system comprises a wireless block center message generation module, a temporary speed limit server message generation module and a train integrity check device signal generation module, wherein a received wireless interaction data packet is stored and provides a query function on a software interface of each module, and an IO interface module sends received vehicle interface information to a scene control module for storage and updates train state information.
1) And a satellite signal generation module.
The satellite signal generation module receives test information sent by the scene control module in the simulation upper computer unit, and the test information is train position information, and then simulated Beidou satellite positioning information is generated and sent to the tested novel train control system vehicle-mounted equipment in real time.
The Beidou satellite positioning information includes satellite navigation data, which may include differential data.
2) And the train integrity checking device signal generating module.
The train integrity checking device signal generating module receives test information sent by the scene control module in the simulation upper computer unit as train integrity checking information, and then establishes or breaks wireless connection with the tested vehicle-mounted equipment according to test requirements and vehicle-mounted equipment information; periodically sending simulated train integrity check information to the vehicle-mounted equipment of the tested novel train control system; the system is also used for receiving and storing connection establishment, disconnection and train integrity query information sent by the vehicle-mounted equipment of the tested novel train control system; meanwhile, the inquiry of the interactive data packet of the train integrity checking device is provided on a software interface of a signal generation module of the train integrity checking device;
the simulated train integrity check information mainly comprises train wind pipe pressure information, train tail speed information and train tail position information.
3) And a temporary speed limit server message generation module.
The temporary speed limit server message generation module receives the test information sent by the scene control module in the simulation upper computer unit, and comprises the following steps: after the temporary speed limit server message and the electronic map information are received, a data packet containing the temporary speed limit information and the electronic map information is sent to the tested novel train control system vehicle-mounted equipment through a GPRS signal generating device in the module; the system is also used for receiving and storing a data packet which contains electronic map version information and electronic map version check application and is sent by the vehicle-mounted equipment of the tested novel train control system; and meanwhile, the query of the interactive data packet of the temporary speed limiting server is provided on a software interface of a message generation module of the temporary speed limiting server.
The electronic map information comprises electronic map data, electronic map version data and electronic map version checking information.
4) And a speed pulse signal generation module.
The speed pulse signal generation module receives test information sent by a scene control module in the simulation upper computer unit, and the test information comprises: the method comprises the steps of calculating the speed of a train in real time according to an accelerometer (corresponding to traction and braking levels), and sending speed information to vehicle-mounted equipment of a tested novel train control system in real time.
5) And the track circuit signal generation module.
The track circuit signal generation module receives test information sent by the scene control module in the simulation upper computer unit, and then sends the track circuit information to the tested novel train control system vehicle-mounted equipment through the track circuit signal generation device in the module.
6) And a transponder signal generating module.
The responder signal generation module receives test information sent by the scene control module in the simulation upper computer unit as responder name information; and then searching a corresponding transponder file according to the received transponder name information, sending the transponder information in the transponder file to a transponder signal generating device in the module, and sending the transponder information to the tested novel train control system vehicle-mounted equipment through an antenna of the transponder signal generating device in the module.
7) And a radio block center message generation module.
The wireless block center message generation module receives test information sent by a scene control module in the simulation upper computer unit, and then sends a wireless block center message data packet containing information such as driving permission to the tested novel train control system vehicle-mounted equipment through a GSM-R signal generation device in the module; the system is also used for receiving and storing a data packet which contains the reply information of the vehicle-mounted ATP equipment and is sent by the vehicle-mounted equipment of the tested novel train control system; and simultaneously, providing a query function of the wireless block center interactive data packet on a software interface of a wireless block center message generation module.
8) And an IO interface module.
The IO interface module receives test information sent by the scene control module in the simulation upper computer unit, and the test information comprises the following steps: the position of a direction handle, the position of a traction handle, the position of a brake handle, the activation and dormancy of a cab and a brake feedback signal are sent to the vehicle-mounted equipment of the tested novel train control system; and the system is also used for receiving Emergency Braking (EB), maximum Service Braking (SB), 4-level service braking (B4), 1-level service braking (B1), cut-off traction (PCUT), passing split-phase activation and passing split-phase effective signals sent by the vehicle-mounted equipment of the tested novel train control system, and sending the signals to the scene control module in the simulation upper computer unit.
It should be noted that the information of the interaction between the IO interface module and the onboard equipment of the new train control system to be tested must include various types of information described herein.
And II, an interaction process.
In the novel train control system vehicle-mounted device simulation test platform shown in fig. 1, the offline tool module generates a test scene file according to the test requirements of the novel train control system. And then, the off-line tool module sends the scene test file to the scene control module.
In the novel train control system vehicle-mounted device simulation test platform shown in fig. 1, the scene control module automatically loads a test scene file, and sequentially reads and displays information in the test scene file one by one on an interface; and calculating the position of the train according to the simulated train speed, and executing the scene file instructions one by one according to the position of the train. And the scene control module sends information to the satellite signal generation module, the train integrity checking device signal generation module, the speed pulse signal generation module, the track circuit signal generation module, the transponder signal generation module, the wireless block center message generation module, the temporary speed limit server message generation module and the IO interface module of the signal simulation unit according to a test scene file instruction. In the testing process, the scene control module receives and stores vehicle interface information in the tested novel train control system vehicle-mounted equipment information sent by the IO interface module, and the wireless blocking center message generation module, the temporary speed limit server message generation module and the train integrity checking device signal generation module of the signal simulation unit receive and store wireless interaction data packets in the tested novel train control system vehicle-mounted equipment information and calculate the real-time position of a train. In the testing process, the scene control module displays simulation testing information on a software interface; the scene control module, the wireless block center message generation module, the temporary speed limit server message generation module and the train integrity check device signal generation module provide the query of the stored data on respective module software interfaces.
In the simulation test platform for the vehicle-mounted equipment of the novel train control system shown in fig. 1, the radio block center message generation module, the temporary speed limit server message generation module and the IO interface module receive the test information of the scene control module and send corresponding simulated ground equipment signals and simulated train signals to the vehicle-mounted equipment of the novel train control system to be tested; the IO interface module is used for receiving vehicle interface information in the vehicle-mounted equipment information of the tested novel train control system and sending the vehicle interface information to the simulation upper computer unit; the wireless block center message generation module, the temporary speed limit server message generation module and the train integrity check device signal generation module are used for receiving and storing wireless interactive data packets in the tested novel train control system vehicle-mounted equipment information, and meanwhile, the software modules of the wireless block center message generation module, the temporary speed limit server message generation module and the train integrity check device signal generation module respectively provide data packet query.
As shown in fig. 2, the test function flow of the novel train-mounted device simulation test platform of the train control system mainly includes the following steps:
step S1, the off-line tool module generates a test scene file according to the model and the test requirement of the vehicle-mounted equipment of the novel train control system to be tested and sends the test scene file to the scene control module; step S2 is executed.
Step S2, the scene control module loads a test scene file, initializes the train running distance and test parameters, establishes wireless connection between the novel train control system vehicle-mounted equipment and the wireless block center message generating module, the temporary speed limit server message generating module and the train integrity checking device in the signal simulation unit, sequentially executes instructions in the test scene, and starts testing; steps S3-S16 are performed.
Step S3, the scene control module inquires the signal instruction type according to the current train position and the instruction sequence of the test scene file, if the signal instruction is a satellite signal instruction, the step S4 is executed; if the command is a train integrity check signal command, executing step S5; if the command is a speed pulse signal command, go to step S6; if the command is a track circuit carrier signal command, go to step S7; if the command is a transponder signal command, go to step S8; if the command is the radio block center message command, executing step S9; if the temporary speed limit server message instruction is received, executing the step S10; if the command is an IO interface signal command, go to step S11; if there is no signal command, go to step S12.
Step S4, the scene control module sends train position information to the satellite signal generation module, the satellite signal generation module calculates satellite navigation data and difference data and sends the satellite navigation data and the difference data to the vehicle-mounted equipment of the novel train control system, and step S12 is executed;
step S5, the scene control module sends train integrity information to the train integrity check device signal generation module, the train integrity check device signal generation module generates wind pressure, train tail speed and train tail position information, the information is sent to the novel train control system vehicle-mounted equipment through the wireless signal generation device in the module, and step S12 is executed;
and S6, the scene control module sends information of the handle position and ATP braking to the speed pulse signal generation module, the speed pulse signal generation module calculates the speed of the train in real time according to an accelerometer (corresponding to traction and braking grades), and sends a speed signal to the vehicle-mounted equipment of the novel train control system in real time through a speed pulse signal generation device in the module, and the step S12 is executed.
And step S7, the scene control module sends track circuit low frequency and carrier frequency information to the track circuit signal generation module, the track circuit signal generation module sends track circuit carrier frequency and low frequency signals to the track circuit signal generation device and then sends the signals to novel train control system vehicle-mounted equipment, and step S12 is executed.
And S8, the scene control module sends the name information of the responder to the responder signal generation module, the responder signal generation module searches for a corresponding responder file according to the received responder name, sends the responder information to the responder signal generation device and then sends the responder information to the novel train control system vehicle-mounted equipment, and the step S12 is executed.
And step S9, the scene control module sends a wireless block center message to the wireless block center message generation module, the wireless block center message generation module sends the wireless block center message to the GSM-R signal generation device and then to the novel train control system vehicle-mounted equipment, and step S12 is executed.
And step S10, the scene control module sends temporary speed limit server information and electronic map information to the temporary speed limit server message generation module, the temporary speed limit server message generation module sends the temporary speed limit server message to a GPRS signal generation device and then to the novel train control system vehicle-mounted equipment, and step S12 is executed.
And S11, the scene control module sends signals such as a direction handle position, a traction handle position, a brake handle position, cab activation, dormancy, brake feedback and the like to the IO interface module, and then the IO interface module sends signals such as a direction handle position, a traction handle position, a brake handle position, cab activation, dormancy, brake feedback and the like to the tested novel train control system vehicle-mounted equipment to execute the step S12.
Step S12, the scene module inquires whether the sending of all the messages in the scene is finished, if the sending of all the messages is not finished, the step S3 is executed; if all messages have been sent, go to step 13.
Step S13, the tested novel train control system vehicle-mounted equipment receives the information sent by the satellite signal generating module, the train integrity checking device signal generating module, the speed pulse signal generating module, the track circuit signal generating module, the transponder signal generating module, the wireless block center message generating module, the temporary speed limit server message generating module and the IO interface module, and executes the operation; the wireless block center message generating module, the temporary speed limit server message generating module, the train integrity checking device signal generating module and the IO interface module receive signals sent by the tested vehicle-mounted equipment; step S14 is executed.
The method mainly comprises the steps that the vehicle-mounted equipment of the novel train control system to be tested can execute corresponding operation according to received messages, and relevant information can be fed back to the simulation test platform.
Step S14, the message generating module of the radio block center, the message generating module of the temporary speed limit server and the signal generating module of the train integrity checking device store the received radio interactive data packet in the information of the vehicle-mounted equipment of the novel train control system to be tested; the IO interface module sends the vehicle interface information in the received vehicle-mounted equipment information of the novel train control system to be tested to the scene control module; step S15 is executed.
Step S15, the scene control module receives vehicle interface information in the tested novel train control system vehicle-mounted equipment information sent by the IO interface module, calculates information such as train speed, train position, accumulated distance, remaining distance in the current track circuit and the like, and displays simulation test information through software; step S16 is executed.
Step S16, the scene control module judges the scene file information instruction according to the train position, if the test is not finished, the step S3 is executed; and if the test is finished, exiting.
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 (10)
1. The utility model provides a fuse novel train control system mobile unit simulation test platform of big dipper satellite positioning which characterized in that includes: the simulation system comprises a simulation upper computer unit and a signal simulation unit; wherein:
the simulation upper computer unit is used for generating a test scene file, outputting corresponding test information according to the information content of the test scene file to control an internal module of the signal simulation unit to output corresponding simulation information, receiving and storing vehicle interface information which is sent by the signal simulation unit and is used for the tested novel train control system vehicle-mounted equipment to execute corresponding operation, and displaying the vehicle interface information in real time;
the signal simulation unit includes: the system comprises a satellite signal generating module, a train integrity checking device signal generating module, a speed pulse signal generating module, a track circuit signal generating module, a transponder signal generating module, a wireless blocking center message generating module, a temporary speed limit server message generating module and an IO interface module, wherein under the control of a simulation upper computer unit, simulated Beidou satellite positioning information, simulated train integrity checking information, simulated ground equipment information and simulated train information are sent to novel train-mounted equipment of a tested train control system; and receiving and storing the information of the vehicle-mounted equipment of the tested novel train control system after the vehicle-mounted equipment executes the corresponding operation, and sending the vehicle interface information to the simulation upper computer unit.
2. The novel train control system vehicle-mounted device simulation test platform integrated with Beidou satellite positioning according to claim 1, wherein the simulation upper computer unit comprises: an offline tool module and a scene control module;
the off-line tool module is used for compiling a test scene file; the test scene file is used for storing a test number, a test name, a test version, a serial number, a train position, an electronic map version, electronic map data, track circuit data, transponder data, signal instructions of each module and annotation instructions;
the scene control module is used for automatically loading the test scene file, sequentially reading and displaying the information in the test scene file one by one on a software interface; calculating the position of the train according to the simulated train speed, executing instructions in the test scene file one by one according to the position of the train, and sending corresponding test information to the signal simulation unit, so that the signal simulation unit generates a corresponding signal and outputs the corresponding signal to the vehicle-mounted equipment of the tested novel train control system; receiving operation of a tester through a simulation driver's cab of a software interface in the test process, and converting the operation into operation information of the driver's cab; the vehicle interface information of the vehicle-mounted equipment of the tested novel train control system is received and stored through bidirectional connection with an IO interface module of the signal simulation unit; and displaying simulation test information on a software interface of the scene control module, and providing a query function for vehicle interface information.
3. The novel train control system vehicle-mounted equipment simulation test platform integrating Beidou satellite positioning according to claim 2,
the control signal output end of the scene control module is respectively connected with the control signal input ends of the satellite signal generation module, the train integrity check device signal generation module, the speed pulse signal generation module, the track circuit signal generation module, the transponder signal generation module, the wireless block center message generation module and the temporary speed limit server message generation module; the scene control module is connected with an IO interface module in the signal simulation unit in a bidirectional mode;
the signal output ends of the satellite signal generation module, the speed pulse signal generation module, the track circuit signal generation module and the transponder signal generation module are connected with the vehicle-mounted equipment of the tested novel train control system; the wireless block center message generating module, the temporary speed limit server message generating module, the train integrity checking device signal generating module and the IO interface module are in bidirectional connection with the vehicle-mounted equipment of the tested novel train control system;
the signal simulation unit simulates information required by normal operation of the vehicle-mounted equipment of the tested novel train control system according to the test information sent by the scene control module, and comprises the following steps: the system comprises Beidou satellite positioning information simulated by a satellite signal generating module, train integrity checking information simulated by a train integrity checking device signal generating module, ground equipment information simulated by a track circuit signal generating module, a transponder signal generating module, a wireless blocking center message generating module and a temporary speed limiting server message generating module, and train information simulated by a speed pulse signal generating module and an IO interface module;
the signal simulation unit receives vehicle-mounted equipment information fed back after the vehicle-mounted equipment of the tested novel train control system executes corresponding operation; the system comprises a wireless block center message generation module, a temporary speed limit server message generation module and a train integrity check device signal generation module, wherein a received wireless interaction data packet is stored and provides a query function on a software interface of each module, and an IO interface module sends received vehicle interface information to a scene control module.
4. The novel train control system vehicle-mounted equipment simulation test platform fusing Beidou satellite positioning as claimed in claim 1, 2 or 3, is characterized in that the satellite signal generation module receives test information sent by a scene control module in the simulation upper computer unit as train position information, and then generates simulated Beidou satellite positioning information and sends the simulated Beidou satellite positioning information to the tested novel train control system vehicle-mounted equipment in real time;
the Beidou satellite positioning information comprises satellite navigation data and differential data.
5. The novel train control system vehicle-mounted equipment simulation test platform fusing Beidou satellite positioning according to claim 1, 2 or 3, is characterized in that a train integrity checking device signal generating module receives test information sent by a scene control module in the simulation upper computer unit, the test information is train integrity checking information, and then wireless connection is established or disconnected with a tested vehicle-mounted equipment according to test requirements and vehicle-mounted equipment information; periodically sending simulated train integrity check information to the vehicle-mounted equipment of the tested novel train control system; the system is also used for receiving and storing connection establishment, disconnection and train integrity query information sent by the vehicle-mounted equipment of the tested novel train control system; meanwhile, the inquiry of the interactive data packet of the train integrity checking device is provided on a software interface of a signal generation module of the train integrity checking device;
the simulated train integrity check information comprises train windpipe pressure information, train tail speed information and train tail position information.
6. The novel train control system vehicle-mounted device simulation test platform fusing Beidou satellite positioning according to claim 1, 2 or 3, is characterized in that the received test information sent by the scene control module in the simulation upper computer unit through the temporary speed limit server message generation module comprises: after the temporary speed limit server message and the electronic map information are received, a data packet containing the temporary speed limit information and the electronic map information is sent to the tested novel train control system vehicle-mounted equipment through a GPRS signal generating device in the module; the system is also used for receiving and storing a data packet which contains electronic map version information and electronic map version check application and is sent by the vehicle-mounted equipment of the tested novel train control system; meanwhile, the query of the interactive data packet of the temporary speed limiting server is provided on a software interface of a message generation module of the temporary speed limiting server;
the electronic map information comprises electronic map data, electronic map version data and electronic map version checking information.
7. The novel train control system vehicle-mounted device simulation test platform integrated with Beidou satellite positioning according to claim 1, 2 or 3, characterized in that the speed pulse signal generation module receives test information sent by a scene control module in the simulation upper computer unit, and comprises: the method comprises the steps of calculating the speed of a train in real time according to an accelerometer and sending speed information to vehicle-mounted equipment of a tested novel train control system in real time, wherein the speed information comprises a handle position, ATP braking information, a traction control quantity, a braking control quantity and a constant speed command.
8. The novel train control system vehicle-mounted equipment simulation test platform integrating Beidou satellite positioning according to claim 1, 2 or 3,
the track circuit signal generation module receives test information sent by a scene control module in the simulation upper computer unit as track circuit information, and then sends the track circuit information to the vehicle-mounted equipment of the tested novel train control system through a track circuit signal generation device in the module;
the responder signal generation module receives test information sent by the scene control module in the simulation upper computer unit as responder name information; and then searching a corresponding transponder file according to the received transponder name information, sending the transponder information in the transponder file to a transponder signal generating device in the module, and sending the transponder information to the tested novel train control system vehicle-mounted equipment through an antenna of the transponder signal generating device in the module.
9. The novel train control system vehicle-mounted equipment simulation test platform fusing Beidou satellite positioning according to claim 1, 2 or 3, is characterized in that the test information received by the wireless block center message generation module and sent by the scene control module in the simulation upper computer unit is a wireless block center message, and then a wireless block center message data packet containing information such as driving permission is sent to the novel train control system vehicle-mounted equipment to be tested through a GSM-R signal generation device in the module; the system is also used for receiving and storing a data packet which contains the reply information of the vehicle-mounted ATP equipment and is sent by the vehicle-mounted equipment of the tested novel train control system; and simultaneously, providing a query function of the wireless block center interactive data packet on a software interface of a wireless block center message generation module.
10. The novel train control system vehicle-mounted device simulation test platform integrated with Beidou satellite positioning according to claim 1, 2 or 3, characterized in that the IO interface module receives test information sent by a scene control module in the simulation upper computer unit, and comprises: the position of a direction handle, the position of a traction handle, the position of a brake handle, the activation and dormancy of a cab and a brake feedback signal are sent to the vehicle-mounted equipment of the tested novel train control system; and the system is also used for receiving emergency braking, maximum service braking, 4-level service braking, 1-level service braking, cut-off traction, passing split-phase activation and passing split-phase effective signals sent by the vehicle-mounted equipment of the novel train control system to be tested, and sending the signals to the scene control module in the simulation upper computer unit.
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