CN107450354B - Interface simulation system of train control vehicle-mounted equipment and train control data testing method - Google Patents
Interface simulation system of train control vehicle-mounted equipment and train control data testing method Download PDFInfo
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Abstract
The invention belongs to the technical field of simulation test, and provides an interface simulation system of train control vehicle-mounted equipment and a train control data test method. The system comprises train control vehicle-mounted equipment, a vehicle-mounted interface simulation subsystem and a line data simulation server, wherein the vehicle-mounted interface simulation subsystem comprises a simulation driving platform, a vehicle-mounted interface simulation application server, a vehicle-mounted interface simulation unit, a simulation transponder and a power converter, the simulation driving platform is respectively connected with the vehicle-mounted interface simulation unit and the train control vehicle-mounted equipment, the vehicle-mounted interface simulation application server is respectively connected with the line data simulation server and the vehicle-mounted interface simulation unit, the vehicle-mounted interface simulation unit is also connected with the train control vehicle-mounted equipment, and the power converter is respectively connected with a power supply, the train control vehicle-mounted equipment and the simulation driving platform. The interface simulation system of the train control vehicle-mounted equipment and the train control data testing method can simplify the testing environment and improve the independence and the accuracy of the testing result.
Description
Technical Field
The invention relates to the technical field of simulation test, in particular to an interface simulation system of train control vehicle-mounted equipment and a train control data test method.
Background
With the rapid development of high-speed railways, new requirements for personnel training and equipment testing are also put forward.
The high-speed railway train control system is divided into vehicle-mounted equipment and ground equipment, wherein the vehicle-mounted equipment mainly has the functions of train overspeed protection, speed measurement, distance measurement and the like, and the ground equipment mainly provides movement authorization for train walking. The core equipment of the high-speed railway motor train unit is a vehicle-mounted overspeed protection system.
Currently, train control on-board equipment mainly includes on-board overspeed protection (ATP) equipment and a train operation monitoring device (LKJ). The domestic vehicle-mounted overspeed protection (ATP) equipment has the following models: 300T, 300S, 300H, 200C; the train operation monitoring device has the following devices: LKJ2000, LKJ-15S. With train accuse car equipment connection main equipment and interface include: the system comprises a responder and an interface thereof, a track circuit and an interface thereof, a speed and distance measuring unit and an interface thereof, a driving platform and a handle button interface thereof, and a digital signal IO unit and an interface thereof.
The general test flow of the above described device is as follows:
step 1: the manufacturer produces ATP equipment and performs self-test.
Step 2: the railway operation company dispatches people to the manufacturer to carry out delivery test.
And step 3: and (5) actual line testing.
And 4, step 4: and opening operation.
The test methods generally employed are as follows:
step 1: and acquiring and manufacturing basic data related to ATP equipment.
Step 2: and compiling simulation software of each interface.
And step 3: and writing a test case.
And 4, step 4: and carrying out test operation according to the test case by related test personnel.
And 5: and compiling a test report.
If the test is not passed, the next round of the loop test is restarted until the test is passed.
For personnel training, particularly training drivers of high-speed railway motor train units (EMUs), the following modes are mainly adopted:
step 1: training is performed by theory plus exam.
Step 2: and (5) sending drivers to a manufacturer for learning and training.
And step 3: the manufacturer arranges personnel to train and teach drivers on site.
Since railway operation companies purchase relevant vehicle-mounted equipment according to the same number of EMUs, drivers rarely have the opportunity to carry out relevant training for actual operation, and the old people and the new people are still in a mode for most of the time.
At present, for testing ATP, the state has no unified standard and scheme, so that the current testing mode and scheme are disordered. The concrete aspects are as follows:
for the ATP test environment, as shown in FIG. 1, some interfaces adopt simulation software, and some interfaces adopt software of real equipment, and are based on semi-physical simulation test.
At present, no manufacturer can realize complete integration of an ATP test system, namely, the test process is disordered, and a complete set of mature test equipment and a complete set of mature test scheme do not exist.
For ATP testers, simulation software with service logic is adopted for testing, which does not accord with the independent principle of the testing process, namely, whether the service logic of the simulation software is complete and correct cannot be verified, so that the testing result is questionable.
In addition, the testing process wastes manpower and material resources, for example, after a relevant test case is compiled, manual testing operation is required, then a test report is compiled manually, and if the test fails, the compiling of the test case and the test report is continued. This is repeated until the test is complete.
How to simplify the testing environment and improve the independence and accuracy of the testing result is a problem that needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an interface simulation system of train control vehicle-mounted equipment and a train control data test method, which can simplify the test environment and improve the independence and the accuracy of test results.
In a first aspect, the present invention provides an interface simulation system for train control onboard equipment, the system comprising: the vehicle-mounted interface simulation subsystem comprises a simulation driving platform, a vehicle-mounted interface simulation application server, a vehicle-mounted interface simulation unit, a simulation transponder and a power converter, the simulation driving platform is respectively connected with the vehicle-mounted interface simulation unit and the train-controlled vehicle-mounted equipment, the vehicle-mounted interface simulation application server is respectively connected with the circuit data simulation server and the vehicle-mounted interface simulation unit, the vehicle-mounted interface simulation unit is also connected with the train-controlled vehicle-mounted equipment, the simulation transponder is connected with the vehicle-mounted interface simulation unit, the power converter is respectively connected with a power supply, the train-controlled vehicle-mounted equipment and the simulation driving platform, the train-controlled vehicle-mounted equipment is used for transmitting vehicle-controlled information to the vehicle-mounted interface simulation unit, or according to the vehicle and line data information received from the vehicle-mounted interface simulation unit, protecting and controlling the movement of the train; the vehicle-mounted interface simulation unit is used for transmitting vehicle control information to the vehicle-mounted interface simulation application server, monitoring vehicle and line data information sent by the vehicle-mounted interface simulation application server in real time, and sending the vehicle and line data information sent by the vehicle-mounted interface simulation application server to the train control vehicle-mounted equipment; the vehicle-mounted interface simulation application server is used for polling vehicle control information sent by the vehicle-mounted interface simulation unit, sending the vehicle control information sent by the vehicle-mounted interface simulation unit to the line data simulation server, and sending the vehicle and line data information fed back by the line data simulation server to the vehicle-mounted interface simulation unit; the line data simulation server is used for generating vehicle and line data information according to the vehicle control information and the pre-imported train control data, packaging the vehicle and line data information according to a specified protocol format, and sending the packaged vehicle and line data information to the vehicle-mounted interface simulation application server.
Further, the vehicle-mounted interface simulation unit includes: DI collection module, DO drive module, speed signal module, track circuit signal module and transponder message signal conversion module, DI collection module, DO drive module, speed signal module, track circuit signal module and transponder message signal conversion module all are connected with on-vehicle interface emulation application server, DI collection module and DO drive module still are connected with emulation driver's cabin, DI collection module, DO drive module, speed signal module, track circuit signal module and transponder message signal conversion module all are connected with the on-vehicle equipment of row accuse.
Furthermore, when the jumper wire of the speed signal module is in a first state, the speed signal module outputs a square wave signal;
and when the jumper wire of the speed signal module is in the second state, the speed signal module outputs a sinusoidal signal.
Further, the transponder message signal conversion module is connected with the train control vehicle-mounted equipment sequentially through the simulation transponder and the response transmitter.
Furthermore, the DI acquisition module, the DO driving module, the speed signal module, the track circuit signal module and the transponder message signal conversion module are all connected with the vehicle-mounted interface simulation application server through an RS485 bus.
In a second aspect, the present invention provides a method for testing column control data, including:
the train control vehicle-mounted equipment transmits vehicle control information to the vehicle-mounted interface simulation unit;
the vehicle-mounted interface simulation unit transmits the vehicle control information to a vehicle-mounted interface simulation application server;
the vehicle-mounted interface simulation application server polls the vehicle control information sent by the vehicle-mounted interface simulation unit and sends the vehicle control information sent by the vehicle-mounted interface simulation unit to the line data simulation server;
the line data simulation server generates vehicle and line data information according to the vehicle control information and pre-imported train control data, packages the vehicle and line data information according to a specified protocol format, and sends the packaged vehicle and line data information to the vehicle-mounted interface simulation application server;
the vehicle-mounted interface simulation application server sends the vehicle and line data information fed back by the line data simulation server to the vehicle-mounted interface simulation unit;
the vehicle-mounted interface simulation unit sends the vehicle and line data information sent by the vehicle-mounted interface simulation application server to the train control vehicle-mounted equipment;
and the train control vehicle-mounted equipment protects and controls the movement of the train according to the vehicle and line data information received from the vehicle-mounted interface simulation unit, and displays the protection state.
Further, the train control on-board device transmits the train control information to the on-board interface simulation unit, which specifically includes:
the train control vehicle-mounted equipment transmits vehicle control information to the DI acquisition module;
the vehicle-mounted interface simulation unit transmits the vehicle control information to the vehicle-mounted interface simulation application server, and the method specifically comprises the following steps:
the DI acquisition module transmits the vehicle control information to the vehicle-mounted interface simulation application server;
the vehicle-mounted interface simulation unit sends the vehicle and line data information sent by the vehicle-mounted interface simulation application server to the train control vehicle-mounted equipment, and the method specifically comprises the following steps:
the DO driving module receives a vehicle working condition signal from the vehicle-mounted interface simulation application server and sends the vehicle working condition signal to the train control vehicle-mounted equipment;
or the speed signal module receives a vehicle speed signal from the vehicle-mounted interface simulation application server and sends the vehicle speed signal to the train control vehicle-mounted equipment;
or the track circuit signal module receives the track circuit signal from the vehicle-mounted interface simulation application server and sends the track circuit signal to the train control vehicle-mounted equipment;
or the transponder message signal conversion module receives the transponder message signal from the vehicle-mounted interface simulation application server and sends the transponder message signal to the train-controlled vehicle-mounted equipment through the simulation transponder,
the vehicle-mounted interface simulation unit comprises a DI acquisition module, a DO driving module, a speed signal module, a track circuit signal module and a transponder message signal conversion module,
the vehicle and line data information includes vehicle condition signals, vehicle speed signals, track circuit signals, and transponder message signals.
Further, before the speed signal module sends the vehicle speed signal to the train control on-board device, the method further comprises:
adapting the type of a speed sensor of train control vehicle-mounted equipment;
the speed signal module receives a vehicle speed signal from the vehicle-mounted interface simulation application server and sends the vehicle speed signal to the train control vehicle-mounted equipment, and the speed signal module specifically comprises:
the speed signal module listens to a vehicle speed signal received from the vehicle-mounted interface simulation application server in real time;
the speed signal module switches the state of a jumper according to the type of the speed sensor;
the speed signal module converts the vehicle speed signal into a square wave signal or a sine signal according to the state of the jumper wire and sends the square wave signal or the sine signal to the train control vehicle-mounted equipment.
Further, before the track circuit signal module sends the track circuit signal to the train control on-board device, the method further includes:
importing line data and track circuit codes of train control vehicle-mounted equipment;
the track circuit signal module receives track circuit signals from the vehicle-mounted interface simulation application server and sends the track circuit signals to the train control vehicle-mounted equipment, and the track circuit signal module specifically comprises:
the track circuit signal module listens to a track circuit signal sent by the vehicle-mounted interface simulation application server in real time;
the track circuit signal module converts track circuit signals into radio frequency signals according to a specified FSK system, line data and track circuit codes;
the track circuit signal module sends a radio frequency signal of a track circuit signal to the train control vehicle-mounted equipment.
Further, the line data simulation server receives the test case information;
the line data simulation server runs the test case information and acquires the test state output by the train control vehicle-mounted equipment;
and the line data simulation server generates a test report according to the test case information and the test state.
According to the technical scheme, the interface simulation system and the train control data test method of the train control vehicle-mounted equipment provided by the embodiment can completely simulate the hardware interfaces of the real train and the train control vehicle-mounted equipment, greatly simplify the simulation test environment and reduce the equipment cost. The hardware interface simulated by the system does not relate to the service logic of corresponding equipment, the independence of the simulation system is improved, and the system determines corresponding vehicle and line data information only according to the vehicle control information, so that the accuracy of the simulation result is improved.
The system is controlled and analyzed by a line data simulation server through the vehicle control information received by the vehicle-mounted interface simulation unit to form vehicle and line data information and control the online simulation state of the train control vehicle-mounted equipment.
In addition, the system adopts the vehicle-mounted interface simulation application server to transmit the vehicle control information and the vehicle and line data information, so that the communication period can be greatly shortened, and the real-time response performance of the system is improved. Meanwhile, the simulation driving platform can provide real experience in a laboratory environment for operators.
Therefore, the interface simulation system and the train control data testing method of the train control vehicle-mounted equipment can simplify the testing environment and improve the independence and the accuracy of the testing result.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 shows a schematic diagram of a prior art ATP testing system;
FIG. 2 is a schematic structural diagram of an interface simulation system of a train control on-board device provided by the invention;
FIG. 3 is a hardware logic block diagram of the vehicle interface emulation unit provided by the present invention;
FIG. 4 is a schematic structural diagram of a vehicle interface simulation unit provided by the present invention;
FIG. 5 is a flowchart illustrating a method for testing train control data according to the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
In a first aspect, an interface simulation system for train control on-board devices provided in an embodiment of the present invention is shown in fig. 2 or fig. 3, and includes: the train control vehicle-mounted equipment 1, the vehicle-mounted interface simulation subsystem 2 and the line data simulation server 3, the vehicle-mounted interface simulation subsystem comprises a simulation driving platform 21, a vehicle-mounted interface simulation application server 22, a vehicle-mounted interface simulation unit 23, a power converter 24 and a simulation transponder 25, the simulation driving platform 21 is respectively connected with the vehicle-mounted interface simulation unit 23 and the train control vehicle-mounted equipment 1, the vehicle-mounted interface simulation application server 22 is respectively connected with the line data simulation server 3 and the vehicle-mounted interface simulation unit 23, the vehicle-mounted interface simulation unit 23 is also connected with the train control vehicle-mounted equipment 1, the power converter 24 is respectively connected with a power supply, the train control vehicle-mounted equipment 1 and the simulation driving platform 21, the simulation transponder 25 is connected with the vehicle-mounted interface simulation unit 23, the train control vehicle-mounted equipment 1 is used for transmitting vehicle control information to the vehicle-mounted interface simulation unit 23 or according to the vehicle and line data information received from the vehicle-mounted interface simulation unit 23, protecting and controlling the motion state of the train; the vehicle-mounted interface simulation unit 23 is configured to transmit vehicle control information to the vehicle-mounted interface simulation application server 22, monitor vehicle and line data information sent by the vehicle-mounted interface simulation application server 22 in real time, and send the vehicle and line data information sent by the vehicle-mounted interface simulation application server 22 to the train control vehicle-mounted device 1; the vehicle-mounted interface simulation application server 22 is configured to poll the vehicle control information sent by the vehicle-mounted interface simulation unit 23, send the vehicle control information sent by the vehicle-mounted interface simulation unit 23 to the line data simulation server 3, and send the vehicle and line data information fed back by the line data simulation server 3 to the vehicle-mounted interface simulation unit 23; the line data simulation server 3 is configured to generate vehicle and line data information according to the vehicle control information and the pre-imported train control data, package the vehicle and line data information according to a specified protocol format, and send the packaged vehicle and line data information to the vehicle-mounted interface simulation application server 22. The train control vehicle-mounted equipment comprises vehicle-mounted overspeed protection (ATP) equipment and a train operation monitoring device (LKJ). The vehicle control information can be emergency braking, service braking, traction cutting and excessive equal digital quantity signals. The vehicle and line data information may be brake status, speed, track circuit code, transponder message, handle button status, etc.
According to the technical scheme, the interface simulation system of the train control vehicle-mounted equipment provided by the embodiment can completely simulate the hardware interface between a real train and the train control vehicle-mounted equipment 1, greatly simplifies the simulation test environment, reduces the equipment cost, and is high in test completion degree and simple and convenient in test. The hardware interface simulated by the system does not relate to the service logic of corresponding equipment, the independence of the simulation system is improved, and the system determines corresponding vehicle and line data information only according to the vehicle control information, so that the accuracy and credibility of the simulation result are improved.
The system is controlled and analyzed by the line data simulation server 3 through the vehicle control information received by the vehicle-mounted interface simulation unit 23 to form vehicle and line data information and control the online simulation state of the train control vehicle-mounted equipment 1.
In addition, the system adopts the vehicle-mounted interface simulation application server 22 to transmit vehicle control information and vehicle and line data information, so that the communication period can be greatly shortened, and the real-time response performance of the system is improved. Meanwhile, the simulation driving platform 21 can provide real experience in a laboratory environment for operators, improve the quality and the service level of training personnel, and make important contribution to safe driving.
Therefore, the interface simulation system of the train control vehicle-mounted equipment can simplify the test environment and improve the independence and accuracy of the test result.
In order to further improve the accuracy of the interface simulation system of the train control on-board device of this embodiment, specifically, in terms of the setting of the on-board interface simulation unit, with reference to fig. 3 or fig. 4, the on-board interface simulation unit 23 includes a DI acquisition module, a DO driving module, a speed signal module, a track circuit signal module, and a transponder message signal conversion module, where the DI acquisition module, the DO driving module, the speed signal module, the track circuit signal module, and the transponder message signal conversion module are all connected to the on-board interface simulation application server 22, the DI acquisition module and the DO driving module are also connected to the simulation console 21, and the DI acquisition module, the DO driving module, the speed signal module, the track circuit signal module, and the transponder message signal conversion module are all connected to the train control on-board device 1.
In the practical application process, the DI acquisition module is realized by TSM-OBDI-A equipment, the DO drive module is realized by TSM-OBDO-A equipment, the speed signal module is realized by TSM-OBSP-A equipment, and the track circuit signal module and the transponder message signal conversion module are realized by TSM-OBTB-A equipment.
The TSM-OBSP-A configuration outputs 4 paths of square wave speed signals, 2 paths of track circuit signals and 1 path of transponder signals, and 2 paths of RS485 communication interfaces are adopted for communication. The TSM-OBDI-A can collect 32 paths of 110 VDIs and realize 2 paths of RS485 communication. The TSM-OBDO-A can drive 16 paths of 110 VDOs, and 2 paths of RS485 communication are achieved.
The vehicle-mounted interface simulation unit 23 is provided with different types of modules for transmitting different types of vehicle and line data information, and the different modules are separated from each other, so that information interference is avoided.
And the DI acquisition module, the DO driving module, the speed signal module, the track circuit signal module and the transponder message signal conversion module are all connected with the vehicle-mounted interface simulation application server 22 through an RS485 bus. Here, the vehicle-mounted interface simulation application server 22 is a master station, and the communication and interaction between the vehicle-mounted interface simulation unit 23 and the vehicle-mounted interface simulation application server 22 are realized by polling information between modules on a bus. In the actual application process, the DI acquisition module acquires an input 110V DI signal, a single module is designed into 32 channels, 2 blocks are configured in the whole interface unit, and the signals are transmitted to the vehicle-mounted interface simulation application server 22 through the RS485 interface. The interface unit has 64 paths of digital signal acquisition, and can meet the acquisition of digital quantity signal output of all vehicle-mounted signal equipment. 32 of the 32 110VDI signals of the OBDI input are wet node inputs. The module collects 2 paths of 24V low level signals input by the bottom plate and is used for judging the slot number of the cage where the module is located.
The DO driving module outputs a wet joint of 110VDC, 16 paths of single module are designed, 4 blocks are configured on the whole interface unit, and the wet joint is transmitted to an upper computer through an RS485 interface. The interface unit has 64 digital signal acquisition channels, and can provide the digital signal acquisition requirements of all vehicle-mounted signal equipment. Of the 16 DO signals of the OBDO output, 8 DO signals are output by a wet node, the common end of a wet joint is output, and 8 DO signals are output by a dry joint. The module collects 2 paths of 24V low level signals input by the bottom plate and is used for judging the slot number of the cage where the module is located.
Aiming at the speed signal module, the speed signal module can set the state of a jumper and output a corresponding signal, namely when the jumper of the speed signal module is in a first state, the speed signal module outputs a square wave signal; and when the jumper wire of the speed signal module is in the second state, the speed signal module outputs a sinusoidal signal. When the square wave signal is output, the speed signal module is simulated into a photoelectric speed sensor, the power supply of the circuit of the vehicle-mounted interface simulation unit 23 is supplied with power by the train-controlled vehicle-mounted equipment 1, and the output impedance of the square wave output circuit is designed to be consistent with that of the actual photoelectric speed sensor, so that the train-controlled vehicle-mounted equipment 1 can conveniently detect the speed sensor on line. When a sine signal is output, the speed signal module is simulated to be a power generation type speed sensor, the vehicle-mounted interface simulation unit 23 outputs the sine signal through a circuit, and the output impedance is designed to be consistent with the power generation type speed sensor AG43, so that the train control vehicle-mounted equipment 1 can conveniently detect the speed sensor on line. The speed signal module is communicated with the vehicle-mounted interface simulation application server 22 through RS485, the speed signal module monitors information sent by the vehicle-mounted interface simulation application server 22 in real time, and once new information is monitored, the output signal is updated.
Aiming at the transponder message signal conversion module, the transponder message signal conversion module is connected with the train control vehicle-mounted equipment 1 sequentially through the simulation transponder and the response transmitter. The transponder message signal conversion module converts the transponder message signal into radio frequency information, and the radio frequency information is transmitted by the simulation transponder, so that the transponder transmitter can receive the transponder message radio frequency signal conveniently to transmit information.
Meanwhile, the vehicle-mounted interface simulation unit 23 is further provided with a back plate, the vehicle-mounted interface simulation unit 23 further comprises a back plate, and the RS485 bus is arranged on the back plate. And the backplate includes communication interface, listens interface and equipment connector, and the first end of RS485 bus is connected in communication interface or listen the interface, and the second end of RS485 bus is connected in the equipment connector, and communication interface and listen the interface and be connected with on-vehicle interface emulation application server 22, and the equipment connector is connected with train accuse vehicle-mounted device 1.
Here, an RS485 bus is arranged on the backplane and is connected with the vehicle-mounted interface simulation application server 22 and the train control vehicle-mounted device 1 through a communication interface, a monitoring interface and a device connector, so that not only can the state of the vehicle-mounted interface simulation application server 22 be monitored in real time, but also real-time communication between the vehicle-mounted interface simulation unit 23 and the vehicle-mounted interface simulation application server 22 as well as between the vehicle-mounted interface simulation unit 23 and the train control vehicle-mounted device 1 can be realized.
In terms of the arrangement of the train control onboard equipment, the train control onboard equipment 1 includes an external connector, and the onboard interface simulation unit 23 is connected with the external connector of the train control onboard equipment 1. Here, the train control onboard device 1 is connected to the onboard interface simulation unit 23 through an external connector, which ensures stable transmission of the interactive information.
In terms of setting the simulation driving platform, the simulation driving platform 21 includes a control button, and the control button is connected with the vehicle-mounted interface simulation unit 23 and the train control vehicle-mounted device 1 through the IO bus. The simulation driver's seat 21 provides a driver with operation keys such as handles, buttons, etc. for driving the simulation vehicle, so that the operator can feel as realistic as possible as operating the cab on a real vehicle in a laboratory environment.
Meanwhile, the dummy driver's cab 21 provides an installation space for installing the DMI, and increases an installation position of the display. When the ATP simulation operation is performed, the operator only needs to operate and check the simulation driving platform 21, and the whole scene simulation operation of the ATP can be completed.
In the practical application process, the vehicle-mounted interface simulation application server 22 and the vehicle-mounted interface simulation unit 23 are also connected with a power supply, and a 220V power supply is directly adopted for supplying power without power conversion.
In a second aspect, an embodiment of the present invention provides a method for testing column control data, and with reference to fig. 5, the method includes:
and step S1, the train control vehicle-mounted equipment transmits the vehicle control information to the vehicle-mounted interface simulation unit. The vehicle control information can be emergency braking, service braking, traction cutting and excessive equal digital quantity signals.
And step S2, the vehicle-mounted interface simulation unit transmits the vehicle control information to the vehicle-mounted interface simulation application server.
In step S3, the vehicle interface simulation application server polls the vehicle control information sent by the vehicle interface simulation unit, and sends the vehicle control information sent by the vehicle interface simulation unit to the line data simulation server.
And step S4, the line data simulation server generates vehicle and line data information according to the vehicle control information and the pre-imported train control data, packages the vehicle and line data information according to a specified protocol format, and sends the packaged vehicle and line data information to the vehicle-mounted interface simulation application server. For example, the line data simulation server generates various vehicle and line data information required by the vehicle-mounted ATP for the whole line operation according to transponder message data, a track circuit code sequence, train control basic data, vehicle parameters, configuration data input by a terminal and the like provided by the vehicle-mounted interface simulation subsystem, and packages the vehicle and line data information according to an internal protocol mode of the train control data verification test system, so that data sharing among the subsystems is realized, and online simulation operation of the ATP is realized. The vehicle and line data information may be brake status, speed, track circuit code, transponder message, handle button status, etc.
In step S5, the vehicle interface simulation application server sends the vehicle and route data information fed back by the route data simulation server to the vehicle interface simulation unit.
In step S6, the vehicle interface simulation unit sends the vehicle and route data information sent by the vehicle interface simulation application server to the train control vehicle-mounted device.
And step S7, the train control vehicle-mounted equipment protects and controls the state of the train according to the vehicle and line data information received from the vehicle-mounted interface simulation unit, displays and displays the protection state on the human-computer interface, and records the running state.
According to the technical scheme, the train control data testing method provided by the embodiment can completely simulate the hardware interface of a real train and train control vehicle-mounted equipment, greatly simplifies the simulation testing environment, reduces the equipment cost, and is high in testing completion degree and simple and convenient in testing. The hardware interface simulated by the method does not relate to the service logic of corresponding equipment, the independence of the simulation method is improved, corresponding vehicle and line data information is determined only according to the vehicle control information, and the accuracy and the credibility of a simulation result are improved.
According to the method, the vehicle control information received by the vehicle-mounted interface simulation unit is controlled and analyzed by the line data simulation server to form vehicle and line data information, and the on-line simulation state of the train control vehicle-mounted equipment is controlled.
In addition, the method adopts the vehicle-mounted interface simulation application server to transmit the vehicle control information and the vehicle and line data information, so that the communication period can be greatly shortened, and the real-time response performance of the method is improved. Meanwhile, the simulation driving platform can provide real experience for operators in a laboratory environment, improve the quality and the service level of training personnel, and make important contribution to safe driving.
Therefore, the train control data testing method can simplify the testing environment and improve the independence and the accuracy of the testing result.
In order to further improve the accuracy of the train control data testing method of the embodiment, in particular, in the aspect of information interaction of the vehicle-mounted interface simulation unit, when the train control vehicle-mounted device transmits the train control information to the vehicle-mounted interface simulation unit, the train control vehicle-mounted device transmits the train control information to the DI acquisition module. When the vehicle-mounted interface simulation unit transmits the vehicle control information to the vehicle-mounted interface simulation application server, the DI acquisition module transmits the vehicle control information to the vehicle-mounted interface simulation application server.
When the vehicle-mounted interface simulation unit sends the vehicle and line data information sent by the vehicle-mounted interface simulation application server to the train control vehicle-mounted equipment, the specific implementation process is as follows:
and the DO driving module receives the vehicle working condition signal from the vehicle-mounted interface simulation application server and sends the vehicle working condition signal to the train control vehicle-mounted equipment.
Or the speed signal module receives the vehicle speed signal from the vehicle-mounted interface simulation application server and sends the vehicle speed signal to the train control vehicle-mounted equipment.
Or the track circuit signal module receives the track circuit signal from the vehicle-mounted interface simulation application server and sends the track circuit signal to the train control vehicle-mounted equipment.
Or the transponder message signal conversion module receives the transponder message signal from the vehicle-mounted interface simulation application server and sends the transponder message signal to the train control vehicle-mounted equipment through the simulation transponder, the vehicle-mounted interface simulation unit comprises a DI acquisition module, a DO driving module, a speed signal module, a track circuit signal module and a transponder message signal conversion module, and the vehicle and line data information comprises a vehicle working condition signal, a vehicle speed signal, a track circuit signal and a transponder message signal. In practical application, the vehicle condition signal may be a digital quantity signal such as a traction signal, a brake signal, a direction signal, a driving activation signal and the like.
The vehicle-mounted interface simulation unit is provided with different types of modules for transmitting different types of vehicle and line data information, and the different modules are separated from each other, so that information interference is avoided.
When the speed signal module carries out information interaction, before the speed signal module sends a vehicle speed signal to the train control vehicle-mounted equipment, the method can also be adapted to the type of a speed sensor of the train control vehicle-mounted equipment.
The speed signal module receives a vehicle speed signal from the vehicle-mounted interface simulation application server and sends the vehicle speed signal to the train control vehicle-mounted equipment, and the specific implementation process is as follows:
the speed signal module listens in real time for receiving a vehicle speed signal from the vehicle-mounted interface simulation application server.
The speed signal module switches the state of the jumper according to the type of the speed sensor.
The speed signal module converts the vehicle speed signal into a square wave signal or a sine signal according to the state of the jumper wire and sends the square wave signal or the sine signal to the train control vehicle-mounted equipment.
The method can adapt to the type of the speed sensor of the train control vehicle-mounted equipment, so that the speed signal module transmits different signals, the accuracy of information interaction is improved, and the stable transmission of information is ensured.
When the track circuit signal module carries out information interaction, before the track circuit signal module sends track circuit signals to the train control vehicle-mounted equipment, the method can also import the line data and track circuit codes of the train control vehicle-mounted equipment.
The track circuit signal module receives track circuit signals from the vehicle-mounted interface simulation application server and sends the track circuit signals to the train control vehicle-mounted equipment, and the specific implementation process is as follows:
and the track circuit signal module listens to the track circuit signal received from the vehicle-mounted interface simulation application server in real time.
And the track circuit signal module converts the track circuit signal into a radio frequency signal according to the specified FSK system, the detected line data and the track circuit code. The FSK format may be ZPW2000, UM 71. In the practical application process, the target FSK system specifically adopts a ZPW2000 system or a UM71 system, and is controlled by the vehicle-mounted interface simulation application server.
The track circuit signal module sends a radio frequency signal of a track circuit signal to the train control vehicle-mounted equipment.
The method can combine the line data of the train control vehicle-mounted equipment and the track circuit code, so that the track circuit signal module adopts a corresponding FSK system to transmit radio frequency information, the accuracy of information interaction is improved, and stable information transmission is ensured.
When the transponder message signal conversion module carries out information interaction, before the transponder message signal conversion module sends the transponder message signal to the train control vehicle-mounted equipment, the method can also detect the circuit of the train control vehicle-mounted equipment and the arrangement condition of the transponder.
The transponder message signal conversion module receives a transponder message signal from the vehicle-mounted interface simulation application server, and when the transponder message signal is sent to the train control vehicle-mounted equipment, the specific implementation process is as follows:
and the transponder message signal conversion module listens to the transponder message signal received from the vehicle-mounted interface simulation application server in real time.
The transponder message signal conversion module transmits transponder message radio frequency signals to the lines of the train control vehicle-mounted equipment and the transponder according to a specified FSK system, such as ZPW2000 and UM 71.
The method can combine the line of the train control vehicle-mounted equipment and the arrangement condition of the transponder, so that the message signal conversion module of the transponder adopts a corresponding FSK system to transmit radio frequency information, the accuracy of information interaction is improved, and stable information transmission is ensured.
In order to further improve the operation efficiency of the train control data testing method of the embodiment, in particular, in the case testing aspect, the line data simulation server receives the test case information.
And the line data simulation server runs the test case information and acquires the test state output by the train control vehicle-mounted equipment.
And the line data simulation server generates a test report according to the test case information and the test state. For example, the line data simulation server may automatically run test operations and test procedures by reading test cases, and automatically generate test reports by comparing with the output of the ATP.
The method can integrate all interfaces related to ATP into one system, and has the advantages of high test completion degree and simple and convenient test. The line data simulation server automatically runs the test cases without manual operation. After the test is finished, a test report is automatically generated, so that the labor cost is saved, the labor intensity is reduced, the test work which can be finished within 2-3 months originally can be finished, and the test work can be finished within 2 weeks at present.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It is to be noted that the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of servers, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based servers that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The configuration apparatus provided in the embodiment of the present invention may be a computer program product, and includes a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, and details are not described here.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the server, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed server, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implementing, and for example, a plurality of units or components may be combined or integrated into another server, or some features may be omitted or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. An interface simulation system of a train control vehicle-mounted device is characterized by comprising:
a vehicle-mounted interface simulation subsystem, a line data simulation server and train control vehicle-mounted equipment,
the vehicle-mounted interface simulation subsystem comprises a simulation driving platform, a vehicle-mounted interface simulation application server, a vehicle-mounted interface simulation unit, a simulation responder and a power converter,
the simulation driving platform is respectively connected with the vehicle-mounted interface simulation unit and the train control vehicle-mounted equipment,
the vehicle-mounted interface simulation application server is respectively connected with the line data simulation server and the vehicle-mounted interface simulation unit,
the vehicle-mounted interface simulation unit is also connected with the train control vehicle-mounted equipment,
the simulation transponder is connected with the vehicle-mounted interface simulation unit,
the power converter is respectively connected with a power supply, the train control vehicle-mounted equipment and the simulation driving platform, and the power supply adopts a 220V power supply for supplying power;
the train control vehicle-mounted equipment is used for transmitting vehicle control information to the vehicle-mounted interface simulation unit or protecting and controlling the movement of a train according to vehicle and line data information received from the vehicle-mounted interface simulation unit;
the vehicle-mounted interface simulation unit is used for transmitting vehicle control information to the vehicle-mounted interface simulation application server, monitoring vehicle and line data information sent by the vehicle-mounted interface simulation application server in real time, and sending the vehicle and line data information sent by the vehicle-mounted interface simulation application server to the train control vehicle-mounted equipment;
the vehicle-mounted interface simulation application server is used for polling the vehicle control information sent by the vehicle-mounted interface simulation unit, sending the vehicle control information sent by the vehicle-mounted interface simulation unit to the line data simulation server, and sending the vehicle and line data information fed back by the line data simulation server to the vehicle-mounted interface simulation unit;
and the line data simulation server is used for generating the vehicle and line data information according to the vehicle control information and the pre-imported train control data, packaging the vehicle and line data information according to a specified protocol format, and sending the packaged vehicle and line data information to the vehicle-mounted interface simulation application server.
2. The interface simulation system for train control onboard equipment according to claim 1,
the vehicle-mounted interface simulation unit comprises:
a DI acquisition module, a DO driving module, a speed signal module, a track circuit signal module and a transponder message signal conversion module,
the DI acquisition module, the DO driving module, the speed signal module, the track circuit signal module and the transponder message signal conversion module are all connected with the vehicle-mounted interface simulation application server,
the DI acquisition module and the DO driving module are also connected with the simulation driving platform,
the DI acquisition module, the DO driving module, the speed signal module, the track circuit signal module and the transponder message signal conversion module are all connected with the train control vehicle-mounted equipment.
3. The interface simulation system for train control onboard equipment according to claim 2,
when a jumper wire of the speed signal module is in a first state, the speed signal module outputs a square wave signal;
and when the jumper wire of the speed signal module is in a second state, the speed signal module outputs a sinusoidal signal.
4. The interface simulation system for train control onboard equipment according to claim 2,
the transponder message signal conversion module is connected with the train control vehicle-mounted equipment through the simulation transponder and the response transmitter in sequence.
5. The interface simulation system for train control onboard equipment according to claim 2,
the DI acquisition module, the DO driving module, the speed signal module, the track circuit signal module and the transponder message signal conversion module are all connected with the vehicle-mounted interface simulation application server through an RS485 bus.
6. A column control data testing method is characterized by comprising the following steps:
the train control vehicle-mounted equipment transmits vehicle control information to the vehicle-mounted interface simulation unit;
the vehicle-mounted interface simulation unit transmits the vehicle control information to a vehicle-mounted interface simulation application server;
the vehicle-mounted interface simulation application server polls the vehicle control information sent by the vehicle-mounted interface simulation unit and sends the vehicle control information sent by the vehicle-mounted interface simulation unit to the line data simulation server;
the line data simulation server generates vehicle and line data information according to the vehicle control information and pre-imported train control data, packages the vehicle and line data information according to a specified protocol format, and sends the packaged vehicle and line data information to the vehicle-mounted interface simulation application server;
the vehicle-mounted interface simulation application server sends the vehicle and line data information fed back by the line data simulation server to the vehicle-mounted interface simulation unit;
the vehicle-mounted interface simulation unit sends the vehicle and line data information sent by the vehicle-mounted interface simulation application server to the train control vehicle-mounted equipment;
and the train control vehicle-mounted equipment protects and controls the motion of the train according to the vehicle and line data information received from the vehicle-mounted interface simulation unit.
7. The column control data testing method according to claim 6,
the train control vehicle-mounted equipment transmits vehicle control information to the vehicle-mounted interface simulation unit, and the method specifically comprises the following steps:
the train control vehicle-mounted equipment transmits the train control information to a DI acquisition module;
the vehicle-mounted interface simulation unit transmits the vehicle control information to a vehicle-mounted interface simulation application server, and the method specifically comprises the following steps:
the DI acquisition module transmits the vehicle control information to the vehicle-mounted interface simulation application server;
the vehicle-mounted interface simulation unit sends the vehicle and line data information sent by the vehicle-mounted interface simulation application server to the train control vehicle-mounted equipment, and the method specifically comprises the following steps:
the DO driving module receives a vehicle working condition signal from the vehicle-mounted interface simulation application server and sends the vehicle working condition signal to the train control vehicle-mounted equipment;
or the speed signal module receives a vehicle speed signal from the vehicle-mounted interface simulation application server and sends the vehicle speed signal to the train control vehicle-mounted equipment;
or the track circuit signal module receives a track circuit signal from the vehicle-mounted interface simulation application server and sends the track circuit signal to the train control vehicle-mounted equipment;
or the transponder message signal conversion module receives a transponder message signal from the vehicle-mounted interface simulation application server and sends the transponder message signal to the train-controlled vehicle-mounted equipment through the simulation transponder,
the vehicle-mounted interface simulation unit comprises the DI acquisition module, the DO driving module, the speed signal module, the track circuit signal module and the transponder message signal conversion module,
the vehicle and line data information includes the vehicle operating condition signal, the vehicle speed signal, the track circuit signal, and the transponder message signal.
8. The column control data testing method according to claim 7,
before the speed signal module sends the vehicle speed signal to the train control vehicle-mounted equipment, the method further comprises the following steps:
adapting the type of a speed sensor of train control vehicle-mounted equipment;
the speed signal module receives a vehicle speed signal from the vehicle-mounted interface simulation application server and sends the vehicle speed signal to the train control vehicle-mounted equipment, and the speed signal module specifically comprises:
the speed signal module listens to the vehicle speed signal received from the vehicle-mounted interface simulation application server in real time;
the speed signal module switches the state of a jumper according to the type of the speed sensor;
and the speed signal module converts the vehicle speed signal into a square wave signal or a sine signal according to the state of a jumper wire and sends the square wave signal or the sine signal to the train control vehicle-mounted equipment.
9. The column control data testing method according to claim 7,
before the track circuit signal module sends the track circuit signal to the train control on-board equipment, the method further comprises:
importing line data and track circuit codes of the train control vehicle-mounted equipment;
the track circuit signal module receives a track circuit signal from the vehicle-mounted interface simulation application server and sends the track circuit signal to the train control vehicle-mounted equipment, and the track circuit signal module specifically comprises:
the track circuit signal module listens to a track circuit signal sent by the vehicle-mounted interface simulation application server in real time;
the track circuit signal module converts the track circuit signal into a radio frequency signal according to a specified FSK system, the line data and the track circuit code;
and the track circuit signal module sends a radio frequency signal of a track circuit signal to the train control vehicle-mounted equipment.
10. The column control data testing method according to claim 7,
the line data simulation server receives test case information;
the line data simulation server operates the test case information and acquires a test state output by the train control vehicle-mounted equipment;
and the line data simulation server generates a test report according to the test case information and the test state.
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| CN108121217A (en) * | 2018-01-12 | 2018-06-05 | 北京交通大学 | Train Operation Control System Onboard function model machine emulation driving analog system based on inter-vehicle communication |
| CN113203586A (en) * | 2021-04-07 | 2021-08-03 | 北京中科智汇科技有限公司 | ATP equipment system function detection platform |
| CN114063467B (en) * | 2021-10-25 | 2024-06-18 | 浙江杭海城际铁路有限公司 | Rail transit ground integrated simulation test system |
| CN114089719B (en) * | 2021-10-27 | 2024-03-29 | 卡斯柯信号有限公司 | Vehicle signal interface simulation verification method and device for TACS system |
| CN114620099B (en) * | 2022-03-10 | 2023-12-08 | 通号城市轨道交通技术有限公司 | MATC system vehicle-mounted simulation device |
| CN115344489A (en) * | 2022-08-15 | 2022-11-15 | 哈尔滨市科佳通用机电股份有限公司 | Locomotive signal vehicle-mounted equipment simulation test method |
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