CN116755368A - Signal simulation system and verification method based on rapid prototype simulation platform - Google Patents
Signal simulation system and verification method based on rapid prototype simulation platform Download PDFInfo
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- CN116755368A CN116755368A CN202310682186.2A CN202310682186A CN116755368A CN 116755368 A CN116755368 A CN 116755368A CN 202310682186 A CN202310682186 A CN 202310682186A CN 116755368 A CN116755368 A CN 116755368A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
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Abstract
The invention discloses a signal simulation system based on a rapid prototype simulation platform, which comprises: and a plurality of PCs in network communication with each other, wherein each PC is provided with one or more system models in the simulation module. The invention also discloses a verification method of the signal simulation system based on the rapid prototyping simulation platform, which comprises the following steps: step S1, constructing a whole set of full-automatic operation system model by utilizing a functional module provided in a simulation platform; step S2, according to the top layer requirements provided by a client side, a simulation module is established by adopting a rapid prototyping mode and adopting programming modes such as Simulink/C/Python and the like to form a complete scene demonstration model; step S3, importing the existing sensor data into a simulation system, directly watching the system response visually presented in the modes of data, images and the like under the action of a specific simulation system; and S4, enabling the simulation system to represent more in line with the requirements of subway clients through iterative adjustment of the simulation module. The invention greatly shortens the period and cost of design and test verification.
Description
Technical Field
The invention relates to the technical field of urban rail transit signal systems, in particular to a signal simulation system based on a rapid prototype simulation platform and a verification method.
Background
In the current full-automatic running rail transit line adopting a CBTC (train automatic control system based on wireless communication) system, a signal system is mainly used for developing interface and linkage control functions with main electromechanical systems such as a vehicle system, a platform door system, a comprehensive monitoring system, a communication system and the like. In order to adapt to the requirements of multiple professions and multiple scenes of full-automatic operation, each system needs to define interfaces and function allocation among the systems according to the requirements of operation scenes under the premise of multiple professional implications such as construction, operation, maintenance and the like of subway companies in the early stage. According to the development flow of the 'V-shaped' of the system engineering, the left half side of the 'V-shaped' is used for the activities of demand definition and decomposition, system detailed design work, demand verification, system integration test and verification and the like. For right half-side technical verification, there are often various modes such as laboratory environment test, on-site motor car test, system integration joint debugging and the like. But for the left-half activity, discussion and review is generally dominant. All activities take the oral discussion of the participants as a main form, and especially for owners and suppliers, the operation results of the defined scenes cannot be instantly and preliminarily known in a preliminary prototype mode and the like, and errors and inconsistencies of the functional requirements of each system cannot be known. Therefore, the results after the discussion are finished can be only embodied in a text form, and are neither intuitive nor accurate. This also leaves a blank for the design, development, testing of the subsequent systems, and the joint debugging operation of the whole system. And further, unnecessary iteration and repetition are caused, and the construction period and the cost are affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a signal simulation system and a verification method based on a rapid prototype simulation platform, which can rapidly complete demand analysis and confirmation by using extremely low hardware equipment and a convenient development tool and develop simulation test work of a whole system in advance, thereby greatly shortening the period and cost of design and test verification.
The technical scheme for achieving the purpose is as follows:
the invention discloses a signal simulation system based on a rapid prototyping simulation platform, which comprises: and a plurality of PCs in network communication with each other, wherein each PC is provided with one or more system models in the simulation module.
Preferably, the simulation module comprises a CBTC signal system model, a vehicle system model, a platform door system model, a comprehensive monitoring system model and a communication system model,
the CBTC signal system model is used for simulating the output command state and the peripheral action state of each system;
the vehicle system model is used for train delay, train state acquisition, control parameter adjustment and power consumption response;
the platform door system model, the comprehensive monitoring system model and the communication system model are used for simulating control response when the CBTC signal system model and the vehicle system model are linked.
Preferably, the internal system of the CBTC signal system model includes:
the ATS subsystem is used for realizing supervision and control of train operation;
the ATP subsystem is used for overspeed protection of train operation, monitoring safety-related equipment and realizing train position detection;
the CI subsystem is used for ensuring the correct correlation among train signals, turnouts and routes and controlling the signalers and the switch machines;
and the ATO subsystem is used for realizing control of the ground to the train.
Preferably, the vehicle system model includes a vehicle system model and a vehicle equipment model,
the vehicle system model includes:
the traction system model is used for controlling the start and stop of the train;
the braking system model is used for controlling the train to decelerate and stop;
a door system model for controlling opening and closing of a train door;
a network system model for providing network communications;
the equipment power utilization model is used for providing power for each equipment in the train;
the vehicle equipment model is used for the dynamic response under the control of the traction system model and the braking system model.
Preferably, the platform door system model, the integrated monitoring system model and the communication system model read historical data of the external device.
Preferably, the simulation system uses a "rapid prototyping" manner and uses a Simulink programming manner to build the simulation module.
The second verification method of the signal simulation system based on the rapid prototype simulation platform comprises the following steps:
step S1, constructing a whole set of full-automatic operation system model by utilizing a functional module provided in a simulation platform;
step S2, according to the top layer requirements provided by a client side, a Simulink programming mode is adopted to build the simulation module to form a complete scene demonstration model by utilizing a rapid prototyping mode;
step S3, importing the existing sensor data into the simulation system, directly observing the system response visually presented in the modes of data, images and the like under the action of the specific simulation system;
and S4, iteratively adjusting the simulation module to enable the simulation system to be more in line with the requirements of subway clients.
The beneficial effects of the invention are as follows: the simulation platform adopts full-digital and modularized design, so that developers can construct functional models in a graphical modeling and handwriting code mode and the like, and the action response of a CBTC signal system model, a vehicle system model, a platform door system simulation model, a comprehensive monitoring system model and a communication system model is displayed through an interface; the method comprises the steps of supporting interconnection butt joint among a CBTC signal system model, a vehicle system model, a platform door system simulation model, a comprehensive monitoring system model and a communication system model to form operation simulation of a complete subway system, wherein a simulation module can form a standard module and a custom module; the simulation platform supports the requirement confirmation work in the initial design stage, and simultaneously supports the inter-system interface test and the function joint debugging simulation work after the design is completed, the design test case and the simulation expected test result, and the virtual scene training exercise of the client; therefore, the whole design work is visual and accurate, unnecessary iteration caused by unclear requirements is reduced, and the whole development period and the cost are shortened.
Drawings
FIG. 1 is a block diagram of a signal simulation system based on a rapid prototyping simulation platform of the present invention;
FIG. 2 is a block diagram of a CBTC signaling system model in accordance with the present invention;
FIG. 3 is a block diagram of a particular vehicle system model of the present invention;
FIG. 4 is a block diagram of a platform door system simulation model, an integrated monitoring system model, and a communication system model according to the present invention;
fig. 5 is a flowchart of a verification method of a signal simulation system based on a rapid prototyping platform of the present invention.
In the figure: 1. CBTC signal system model; 2. a vehicle system model; 3. a platform door system simulation model; 4. a comprehensive monitoring system model; 5. a communication system model; 11. an ATS subsystem; 12. an ATP subsystem; 13. a CI subsystem; 14. an ATO subsystem; 21. a traction system model; 22. a brake system model; 23. a door system model; 24. a network system model; 25. the device uses an electrical model.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-4, a signal simulation system based on a rapid prototyping simulation platform, comprising: several PCs in network communication with each other, each PC is configured with one or more system models including a simulation module, for example, one PC may be configured with a CBTC signal system model 1, another PC may be configured with a vehicle system model 2, or one PC may be configured with both a CBTC signal system model 1 and a vehicle system model 2.
In the embodiment, the simulation system uses a rapid prototyping mode, uses a Simulink programming mode as interface packaging, and establishes a simulation module; forming a specific standard function model library aiming at the conventional function reaction of each simulation module; thus, standard models in the model library can be utilized to form a new scene or a new function simulation verification environment condition together with the simulation module.
In another embodiment, the interface package may be implemented using C programming.
In another embodiment, the interface package may be implemented using Python programming.
In the embodiment, the simulation module comprises a CBTC signal system model 1, a vehicle system model 2, a platform door system simulation model 3, a comprehensive monitoring system model 4 and a communication system model 5, wherein the CBTC signal system model 1 is used for simulating the output command state and the peripheral action state of each system; the vehicle system model 2 is used for train delay, train state acquisition, control parameter adjustment and power consumption response; the platform door system model 3, the comprehensive monitoring system model 4 and the communication system model 5 are used for simulating control response when the CBTC signal system model 1 and the vehicle system model 2 are in linkage; a detailed control model for each system model, including input items, output items, system responses, and the ability to import specified historical data; the system model is provided with a configurable function, so that the function is flexible and adjustable by the configuration function of the model or the introduction of external configuration items; and each system model in the joint debugging mode displays system response under different interface data and different linkage requirements through a linkage control functional module configured for the project. The reaction will be visually presented in the form of ATS interface display, device action status, graphic images of the action, etc.
In an embodiment, the internal system of CBTC signal system model 1 includes: an ATS subsystem 11 for implementing supervision and control of train operation; the ATP subsystem 12 is used for overspeed protection of train operation, monitoring safety-related equipment and realizing train position detection; the CI subsystem 13 is used for ensuring the correct correlation among train signals, turnouts and routes and controlling a signal machine and a switch machine; an ATO subsystem 14 for effecting control of the train at the ground; and the ground information is used for controlling the driving and braking of the train.
In the embodiment, the external equipment model of the CBTC signal system model 1 comprises a signal machine action model, a switch machine action model, a meter axle acquisition action model and an outdoor switch button action model; driven by the specified scene, the internal system of the CBTC signal system model 1 can control the external device model to make specified actions and respond.
In an embodiment, the vehicle system model 2 includes a vehicle device model and a vehicle system model, the vehicle system model including: a traction system model 21 for controlling start and stop of a train; a brake system model 22 for controlling the deceleration and stopping of the train; a door system model 23 for controlling opening and closing of the train door; a network system model 24 for providing network communications; an equipment power consumption model 25 for providing power for each equipment in the train; the vehicle equipment model is used for power response under the control of the traction system model 21 and the braking system model 22, and actual data of the speed and the acceleration of train operation and actual data of a train operation power grid can be obtained.
In the embodiment, the platform door system model 3, the comprehensive monitoring system model 4 and the communication system model 5 directly serve on-site operators, support the importing of existing sensor data, and are displayed in the form of broadcasting, text and video images, so that the simulation function is displayed more intuitively and vividly.
In the embodiment, the platform door system model 3, the comprehensive monitoring system model 4 and the communication system model 5 are connected with external equipment in a network manner, and the external equipment comprises a CCTV camera, a broadcasting system, a smoke and fire detection system and a flood detection system, so that image data, broadcast sound and text display data, smoke and fire state data and flood state data can be respectively obtained.
In an embodiment, the platform door system model 3, the integrated monitoring system model 4 and the communication system model 5 read the history data of the external devices, for example, the history data of the CCTV cameras.
In the embodiment, after the simulation system is built, the method can be used for enabling developers and clients to intuitively know and determine requirements by means of ATS (automatic train monitoring system), vehicle TOD, vehicle display screen, data running chart, equipment action image and the like.
In embodiments, the manner in which the simulation system is used may be illustrated by the following example.
Scene 1: train awakening
In a fully automatic operation system, the early wake-up of a train is a conventional operation scene. In the scene, the simulation system can simulate the SCADA (data acquisition and monitoring control) system to power on the touch screen according to the timetable, the CBTC signal system model 1 issues a wake-up command to the train according to the timetable, the whole train is powered on after receiving the command, the signal and the state of the train are displayed in real time, the self-checking interaction between the vehicle-mounted signal equipment and the vehicle system, the vehicle lifts the pantograph/opens and closes the door/applies and relieves the brake, and a camera in the field section can automatically pop up a fault equipment position image of the wake-up failure train for maintenance monitoring and the like.
Scene 2: train fire disaster
In a fully automatic operation system, train fire is an important emergency command scene. When the train runs in the interval, the fire disaster is reported, the system automatically links the smoke and fire detection video images on the roof and in the train, the train is linked to perform evacuation broadcasting, all doors are opened after the train arrives at the station, passengers are convenient to evacuate, the train is immediately driven away from the opposite track stop station, and other trains stop and wait outside the station. The fire fighting boarding is treated and the fire alarm is restored, and all the states are relieved and restored to be normal.
A verification method of a signal simulation system based on a rapid prototyping simulation platform comprises the following steps:
step S1, constructing a whole set of full-automatic operation system model by utilizing a functional module provided in a simulation platform;
step S2, according to the top layer requirements provided by a client side, a simulation module is established by adopting a 'rapid prototyping' mode and adopting a Simulink/C/Python programming mode to form a complete scene demonstration model;
step S3, importing the existing sensor data into a simulation system, directly watching the system response visually presented in the modes of data, images and the like under the action of a specific simulation system;
and S4, enabling the simulation system to represent more in line with the requirements of subway clients through iterative adjustment of the simulation module.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. A signal simulation system based on a rapid prototyping simulation platform, comprising: and a plurality of PCs in network communication with each other, wherein each PC is provided with one or more system models in the simulation module.
2. The rapid prototyping simulation platform-based signal simulation system of claim 1, wherein the simulation module comprises a CBTC signal system model, a vehicle system model, a platform door system model, a comprehensive monitoring system model, and a communication system model,
the CBTC signal system model is used for simulating the output command state and the peripheral action state of each system;
the vehicle system model is used for train delay, train state acquisition, control parameter adjustment and power consumption response;
the platform door system model, the comprehensive monitoring system model and the communication system model are used for simulating control response when the CBTC signal system model and the vehicle system model are linked.
3. The rapid prototyping platform-based signal simulation system of claim 2, wherein the internal system of the CBTC signal system model comprises:
the ATS subsystem is used for realizing supervision and control of train operation;
the ATP subsystem is used for overspeed protection of train operation, monitoring safety-related equipment and realizing train position detection;
the CI subsystem is used for ensuring the correct correlation among train signals, turnouts and routes and controlling the signalers and the switch machines;
and the ATO subsystem is used for realizing control of the ground to the train.
4. The rapid prototyping platform-based signal simulation system of claim 2, wherein the vehicle system model comprises a vehicle system model and a vehicle equipment model,
the vehicle system model includes:
the traction system model is used for controlling the start and stop of the train;
the braking system model is used for controlling the train to decelerate and stop;
a door system model for controlling opening and closing of a train door;
a network system model for providing network communications;
the equipment power utilization model is used for providing power for each equipment in the train;
the vehicle equipment model is used for the dynamic response under the control of the traction system model and the braking system model.
5. The rapid prototyping platform-based signal simulation system of claim 2, wherein the platform door system model, the integrated monitoring system model, and the communication system model read historical data of the external device.
6. The rapid prototyping simulation platform-based signal simulation system of claim 1, wherein the simulation system utilizes a "rapid prototyping" approach and a Simulink programming approach to create the simulation modules.
7. A method of validating a signal simulation system based on a rapid prototyping simulation platform as claimed in claim 1, comprising:
step S1, constructing a whole set of full-automatic operation system model by utilizing a functional module provided in a simulation platform;
step S2, according to the top layer requirements provided by a client side, a Simulink programming mode is adopted to build the simulation module to form a complete scene demonstration model by utilizing a rapid prototyping mode;
step S3, importing the existing sensor data into the simulation system, directly observing the system response visually presented in the modes of data, images and the like under the action of the specific simulation system;
and S4, iteratively adjusting the simulation module to enable the simulation system to be more in line with the requirements of subway clients.
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