CN115817591B - Novel CBTC framework - Google Patents
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- CN115817591B CN115817591B CN202211473746.5A CN202211473746A CN115817591B CN 115817591 B CN115817591 B CN 115817591B CN 202211473746 A CN202211473746 A CN 202211473746A CN 115817591 B CN115817591 B CN 115817591B
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Abstract
The application provides a novel CBTC architecture generation method, which obtains the functions of an existing CBTC train operation control system; determining the recombination attribute of each function; the reorganization attribute is one of the following: centralized and calculation force attributes, response speed and transmission quantity attributes, single perception attributes; reorganizing each function according to the reorganization attribute; based on the recombined functions, a novel CBTC architecture is formed. The novel CBTC architecture generation method can effectively reduce the complexity of the system, improve the independence of the functional modules, and better support the improvement of the autonomous control capability of the train.
Description
Technical Field
The application relates to the technical field of rail transit, in particular to a novel CBTC architecture generation method.
Background
With the continuous evolution of a train control system of a CBTC (Communication Based Train Control System communication-based train operation control system), the system is gradually huge for the support of inter-manufacturer interconnection and full-automatic driving functions, and various problems are brought.
The typical problem is that interfaces and communication relations between devices are more and more complex, the control level of the system is also increasing, for example, for calculation of mobile authorization, a Zone Controller (ZC) in the system is required to communicate with an interlocking (CI) to acquire a route state, then communicate with a train to acquire a train position, meanwhile, the ZC is required to interact with a plurality of ZCs in adjacent zones to obtain train sequencing of a jurisdiction, and a comprehensive judging party can calculate the mobile authorization of the train.
The coupling relation between the devices is too complex, and if any link has a problem, the system can be invalid; meanwhile, the complexity of equipment and communication cables is not beneficial to construction and risk management and control in the existing line transformation process.
Disclosure of Invention
To solve one of the above technical drawbacks, the present application provides a novel CBTC architecture generation method, including:
acquiring the function of an existing CBTC train operation control system;
determining the recombination attribute of each function; the recombination attribute is one of the following: centralized and calculation force attributes, response speed and transmission quantity attributes, single perception attributes;
reorganizing each function according to the reorganization attribute;
based on the recombined functions, a novel CBTC architecture is formed.
Optionally, the novel CBTC architecture includes a cloud-based operation control center, an edge device, and a terminal awareness device.
Optionally, the reorganizing each function according to the reorganization attribute includes:
if the recombination attribute of any function is a centralization and calculation attribute, recombining any function to the cloud-based operation control center;
if the recombination attribute of any function is the response speed and transmission quantity attribute, recombining any function to the edge equipment;
and if the recombination attribute of any function is a single perception attribute, recombining any function to the terminal perception device.
Optionally, the function is a function of an automatic train protection system ATP;
the determining the recombination attribute of each function comprises the following steps:
for any of the functions of the present invention,
if any function has networking centralized processing and high calculation force demand, determining the recombination attribute of any function as centralized and calculation force attribute;
if any function has quick response and data transmission quantity requirement, determining the recombination attribute of any function as response speed and transmission quantity attribute;
and if any function has the perception requirement, determining that the recombination attribute of any function is a single perception attribute.
Optionally, the function is a function of an ATS of an automatic train monitoring system;
the determining the recombination attribute of each function comprises the following steps:
the reorganization attribute of the function is determined to be a centralization and calculation force attribute.
Optionally, the function is a function of an ATO (automatic train control) of the train;
the determining the recombination attribute of each function comprises the following steps:
and determining the recombination attribute of the function as a single perception attribute.
Optionally, the functions of ATP include: a train positioning/train speed measuring function, a train safety separation function, an overspeed protection and braking confirmation function, a backward running protection function, a track end point protection function, an integrity check and train disassembly/connection function, a zero speed detection function, a door opening interlocking control function, a departure interlocking function, an emergency braking function, an access interlocking function, an hostile access protection function, an operation area protection function, a rail break detection function, a road crossing warning function and a restricted access protection function;
wherein, the track end point protection function, the departure interlocking function, the emergency braking function, the route interlocking function, the hostile route protection function, the operation area protection function, the road junction warning function and the limited access protection function have networking centralized processing and high calculation force requirements;
the system comprises a train positioning/train speed measuring function, a train safety separation function, an overspeed protection and braking confirmation function, a backward running protection function, an integrity check and train disassembly/connection function, a zero speed detection function, a door opening interlocking control function and a data transmission quantity requirement, wherein the door opening interlocking control function is used for opening a door;
the rail break detection function has a sensing requirement.
Optionally, the novel CBTC architecture further includes: newly adding an autonomous operation control function;
the newly-added autonomous operation control function is located in the cloud-based operation control center.
Optionally, the adding an autonomous operation control function includes: and the driving simulation verification function and the multi-vehicle cooperative control function.
Optionally, the edge device includes: near equipment end input/output disposal station comprehensive management and control equipment, a train integrated platform, interval resource management equipment and station section comprehensive management and control equipment;
the terminal sensing device includes: passenger flow sensing equipment, train state sensing equipment, driving clearance sensing equipment, equipment state sensing equipment and environment sensing equipment.
The application provides a novel CBTC architecture generation method, which obtains the functions of an existing CBTC train operation control system; determining the recombination attribute of each function; the reorganization attribute is one of the following: centralized and calculation force attributes, response speed and transmission quantity attributes, single perception attributes; reorganizing each function according to the reorganization attribute; based on the recombined functions, a novel CBTC architecture is formed.
The novel CBTC architecture generation method can effectively reduce the complexity of the system, improve the independence of the functional modules, and better support the improvement of the autonomous control capability of the train.
In addition, in one implementation, the structure of the novel CBTC framework is clarified, the framework can effectively reduce the complexity of the system, improve the independence of the functional modules, and better support the improvement of the autonomous control capability of the train.
In addition, in one implementation, the implementation process of reorganizing each function according to the reorganization attribute is clarified, so that the novel architecture design is realized, the complexity of the system can be effectively reduced, the independence of the function modules is improved, and the improvement of the autonomous control capability of the train can be better supported.
In addition, in one implementation, the recombination attribute determination scheme of the function of the ATP is clarified, so that the novel architecture design is realized, the complexity of the system can be effectively reduced, the independence of the functional modules is improved, and the improvement of the autonomous control capability of the train can be better supported.
In addition, in one implementation, the recombination attribute determination scheme of the functions of the ATS is clarified, so that the novel architecture design is realized, the complexity of the system can be effectively reduced, the independence of the functional modules is improved, and the improvement of the autonomous control capability of the train can be better supported.
In addition, in one implementation, the recombination attribute determination scheme of the ATO function is clarified, so that the novel architecture design is realized, the complexity of the system can be effectively reduced, the independence of the functional modules is improved, and the improvement of the autonomous control capability of the train can be better supported.
In addition, in one implementation, the requirements of all functions of ATP are clarified, and then a novel architecture design is realized, so that the complexity of the system can be effectively reduced, the independence of the functional modules is improved, and the improvement of the autonomous control capability of the train can be better supported.
In addition, in one implementation, it is clear that the novel CBTC architecture further includes: the novel operation control function is added, and is located in the cloud-based operation control center, so that novel architecture design is realized, the complexity of a system can be effectively reduced, the independence of functional modules is improved, and the improvement of the train autonomous control capability can be better supported.
In addition, in one implementation, the content of the newly-added autonomous operation control function is clarified, and further, the novel architecture design is realized, the complexity of the system can be effectively reduced, the independence of the functional modules is improved, and the improvement of the autonomous control capability of the train can be better supported.
In addition, in one implementation, the structure of the edge equipment and the terminal sensing equipment is clarified, and then a novel architecture design is realized, so that the complexity of the system can be effectively reduced, the independence of the functional modules is improved, and the improvement of the autonomous control capability of the train can be better supported.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a flow chart of a novel CBTC architecture generating method provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a deployment architecture provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of a reorganization architecture according to an embodiment of the present application;
fig. 4 is a schematic diagram of a novel CBTC architecture according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is given with reference to the accompanying drawings, and it is apparent that the described embodiments are only some of the embodiments of the present application and not exhaustive of all the embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
In the process of realizing the application, the inventor finds that with the continuous evolution of a CBTC (Communication Based Train Control System communication-based train operation control system) train control system, the system is gradually huge for the support of cross-manufacturer interconnection and full-automatic driving functions, and various problems are brought.
Aiming at the problems, the embodiment of the application provides a novel CBTC architecture generation method, which acquires the functions of an existing CBTC train operation control system; determining the recombination attribute of each function; the reorganization attribute is one of the following: centralized and calculation force attributes, response speed and transmission quantity attributes, single perception attributes; reorganizing each function according to the reorganization attribute; based on the recombined functions, a novel CBTC architecture is formed. The novel CBTC architecture generation method can effectively reduce the complexity of the system, improve the independence of the functional modules, and better support the improvement of the autonomous control capability of the train.
The novel CBTC architecture generation method provided in this embodiment firstly builds a deployment architecture according to the cloud-edge-end thought, and generates the novel CBTC architecture under the architecture by the method shown in fig. 1.
As shown in fig. 2, the deployment architecture includes: the cloud-based operation control center, the edge equipment and the terminal sensing equipment.
1. Cloud-based operation control center
The cloud-based operation control center is a control function carrier facing to the network and has the capabilities of network data sharing and resource collaborative scheduling command.
2. Edge device
The edge device includes: near equipment end input/output treatment station comprehensive control equipment, a train integrated platform, interval resource management equipment and station section comprehensive control equipment.
1) Comprehensive management and control equipment for station
The station comprehensive management and control equipment is used for comprehensively managing and controlling station passenger transportation, driving organization and passenger service and station management.
2) Train integrated platform
The train integrated platform is used for guaranteeing driving safety and driving according to a plan.
The train integrated platform integrates various functions such as vehicle control, passenger service, vehicle operation and maintenance and the like, and ensures driving safety and planned driving.
3) Interval resource management device
And the interval resource management equipment is used for collecting interval resources and driving the interval resources.
The interval resource management equipment is used for collecting and driving various equipment such as track side track occupation, turnout, shielding door and the like.
4) Station section comprehensive management and control equipment
And the station comprehensive management and control equipment is used for managing and controlling the related business of the station.
The station comprehensive management and control equipment is used for a plurality of businesses such as construction, maintenance, vehicle monitoring and the like of the station; the terminal sensing equipment can develop the fusion of multi-source sensing according to the system function, and the sensing precision is continuously improved.
Compared with the traditional CBTC system architecture, the built system deployment architecture is based on the thought of cloud-edge-end, a device concentration station is not needed any more, and only IO units are needed to be deployed nearby devices. The system deployment architecture comprises: based on the cloud operation control center, the near-equipment-end input and output treatment station comprehensive management and control equipment, a train integrated platform, interval resource management equipment, section field comprehensive management and control equipment and other four types of edge equipment, and passenger flow, train state, running clearance, equipment state, environment and other various sensing-end equipment.
3. Terminal sensing equipment
Terminal-aware devices include, but are not limited to: passenger flow sensing equipment, train state sensing equipment, driving clearance sensing equipment, equipment state sensing equipment and environment sensing equipment.
Under the above architecture, the method for generating the novel CBTC architecture is as follows:
101, acquiring the functions of the existing CBTC train operation control system.
The functions of the existing CBTC train operation control system comprise: a function of the automatic train protection system (Automatic Train Protection, ATP), a function of the automatic train driving system (Automatic Train Operation, ATO), a function of the automatic train monitoring system (Automatic Train Supervision, ATS).
In addition, the functions of ATP specifically include: train positioning/train speed measuring function, train safety separation function, overspeed protection and braking confirmation function, backward slip protection function, track end point protection function, integrity check and train disassembly/connection and hanging function, zero speed detection function, door opening interlocking control function, departure interlocking function, emergency braking function, route interlocking function, hostile route protection function, operation area protection function, rail break detection function, road crossing warning function, and route limiting protection function.
The functions of ATO specifically include: an automatic speed regulation function, a platform parking control function and a vehicle door control function.
The ATS functions specifically include: the system comprises a CBTC train identification and tracking function, a train route function, a train automatic regulation function, a station stopping function, a train operation constraint function, a passenger information system interface function and a fault report.
As shown in table 1:
TABLE 1
102, determining the reorganization attribute of each function.
Wherein the reorganization attribute is one of the following: centralized and calculation force attribute, response speed and transmission quantity attribute, single perception attribute.
Since the functions of the existing CBTC train operation control system include the functions of ATP, ATS and ATO, the present step has different reorganization attributes according to the specific functions.
For any of the functions of the present invention,
1. if it is an ATP function, the implementation of step 102 is: if any function has networking centralized processing and high calculation force requirement, determining the recombination attribute of any function as centralized and calculation force attribute. If any function has quick response and data transmission quantity requirement, determining the recombination attribute of any function as the response speed and transmission quantity attribute. If any function has a perception requirement, determining the recombination attribute of any function as a single perception attribute.
Specifically, the functions of ATP include: train positioning/train speed measuring function, train safety separation function, overspeed protection and braking confirmation function, backward slip protection function, track end point protection function, integrity check and train disassembly/connection and hanging function, zero speed detection function, door opening interlocking control function, departure interlocking function, emergency braking function, route interlocking function, hostile route protection function, operation area protection function, rail break detection function, road crossing warning function, and route limiting protection function.
The railway terminal point protection function, the departure interlocking function, the emergency braking function, the route interlocking function, the hostile route protection function, the operation area protection function, the road crossing warning function and the limited route protection function all have networking centralized processing and high calculation power requirements.
The system comprises a train positioning/train speed measuring function, a train safety separation function, an overspeed protection and braking confirmation function, a backward running protection function, an integrity check and train disassembly/connection and hanging function, a zero speed detection function and a door opening interlocking control function, wherein the door opening interlocking control function has quick response and data transmission quantity requirements.
The rail break detection function has a sensing requirement.
2. If it is a function of an ATS, the implementation procedure of step 102 is: the reorganization attribute of any function is determined to be a centralization and calculation force attribute.
3. If it is an ATO function, the implementation of step 102 is: the reorganization attribute of any function is determined to be a single perception attribute.
103, reorganizing each function according to the reorganization attribute.
For example, if the reassembly attribute of any function is a centralization and calculation attribute, then any function is reassembled to the cloud-based operations control center. And if the recombination attribute of any function is the response speed and transmission quantity attribute, recombining any function to the edge equipment. And if the recombination attribute of any function is a single perception attribute, recombining any function to the terminal perception device.
In addition, in the recombination process, the recombination attribute is considered, the networking centralized processing is needed in the functions, and the functions with high calculation force requirements are preferentially distributed to the cloud; the function with rapid response and large data transmission quantity is preferentially distributed to the edge equipment; the sensing functions of single temperature, humidity, wind power, people flow and the like are carried by the terminal equipment, and the split fusion principle and the function allocation rationality verification principle are considered.
The split fusion principle is as follows: the function items are independent, the interfaces among the functions are clear, and the coupling degree among the functions is low.
The function allocation rationality checking principle is as follows: and verifying the rationality of the function allocation through the main service flow, wherein the verification content is the guarantee of the security of the function allocation.
Through the split fusion principle, the function items are independent as far as possible, the interfaces among the function modules are clear and definite, and the coupling degree among the function modules is reduced. The rationality of function allocation is ensured through the rationality checking principle of the function allocation, the whole design is checked through the main service flow, and the most important checking criterion is the guarantee of the corresponding function allocation on the safety.
Based on the allocation principle, in the reorganized architecture, as shown in fig. 3.
104, forming a novel CBTC architecture based on each recombined function.
Because the novel CBTC framework is generated by constructing a deployment framework based on a cloud-side-end thought, the novel CBTC framework comprises a cloud-based operation control center, edge equipment and terminal perception equipment. The structure of the novel CBTC architecture is also shown in fig. 2.
In addition, the novel CBTC architecture further comprises: an autonomous operation control function is newly added.
The newly added autonomous operation control function is located in a cloud-based operation control center.
The newly added autonomous operation control function comprises: and the driving simulation verification function and the multi-vehicle cooperative control function.
When the autonomous operation control function is newly added, firstly, microscopic simulation verification of driving can be completed by combining digital twinning, adjustment of an operation plan is better guided, and scheduling command strategies are formulated under emergency conditions. For example, when a turnout fault occurs on site, the number of affected trains and the predicted delay time of the trains can be calculated through digital twinning, so that the driving plan can be dynamically adjusted by referring to the influence range and the duration.
On the other hand, the combination of digital twinning can promote the evolution from the control of a single car to the cooperative control of multiple cars. For example, energy conservation for multi-train collaboration, and online sharing of autopilot strategies and parameters between different trains, etc.
And distributing the newly added autonomous operation control function to the reorganized architecture to obtain a novel CBTC architecture.
For example, a new CBTC architecture is obtained as shown in fig. 4.
According to the novel CBTC architecture generation method based on cloud and digital twin, when the sound insulation window is based on the cloud and digital twin train autonomous operation control system architecture, a deployment architecture of the system is firstly built according to the thought of cloud-side-end, then on the basis, functions of the existing CBTC train operation control system are recombined, digital twin is combined again, and an AI enabled new autonomous operation control function is formed through condensation. The architecture accords with the intensive design principle, and compared with the traditional architecture, the architecture can better improve the independence of the functional modules and reduce the coupling between the modules; meanwhile, the architecture can effectively combine cloud computing capability and digital twin capability to improve the intelligent level of the whole train control system.
The novel CBTC architecture based on cloud and digital twin generated by the novel CBTC architecture generation method based on cloud and digital twin is low in complexity and high in applicability to autonomous control application.
The embodiment provides a novel CBTC architecture generation method, which obtains the functions of an existing CBTC train operation control system; determining the recombination attribute of each function; the reorganization attribute is one of the following: centralized and calculation force attributes, response speed and transmission quantity attributes, single perception attributes; reorganizing each function according to the reorganization attribute; based on the recombined functions, a novel CBTC architecture is formed. The novel CBTC architecture generation method provided by the embodiment can effectively reduce the complexity of the system, improve the independence of the functional modules, and better support the improvement of the autonomous control capability of the train.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The solutions in the embodiments of the present application may be implemented in various computer languages, for example, object-oriented programming language Java, and an transliterated scripting language JavaScript, etc.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (6)
1. A novel CBTC architecture generation method, the method comprising:
step 101, acquiring the functions of an existing CBTC train operation control system; the functions comprise the functions of an automatic train protection system ATP;
102, determining recombination attributes of all functions; the recombination attribute is one of the following: centralized and calculation force attributes, response speed and transmission quantity attributes, single perception attributes; for any of the functions of the present invention,
if any function has networking centralized processing and high calculation force demand, determining the recombination attribute of any function as centralized and calculation force attribute;
if any function has quick response and data transmission quantity requirement, determining the recombination attribute of any function as response speed and transmission quantity attribute;
if any function has a perception requirement, determining that the recombination attribute of any function is a single perception attribute;
the functions of the ATP include:
a train positioning/train speed measuring function, a train safety separation function, an overspeed protection and braking confirmation function, a backward running protection function, a track end point protection function, an integrity check and train disassembly/connection function, a zero speed detection function, a door opening interlocking control function, a departure interlocking function, an emergency braking function, an access interlocking function, an hostile access protection function, an operation area protection function, a rail break detection function, a road crossing warning function and a restricted access protection function;
wherein, the track end point protection function, the departure interlocking function, the emergency braking function, the route interlocking function, the hostile route protection function, the operation area protection function, the road junction warning function and the limited access protection function have networking centralized processing and high calculation force requirements;
the system comprises a train positioning/train speed measuring function, a train safety separation function, an overspeed protection and braking confirmation function, a backward running protection function, an integrity check and train disassembly/connection function, a zero speed detection function, a door opening interlocking control function and a data transmission quantity requirement, wherein the door opening interlocking control function is used for opening a door;
the rail break detection function has a sensing requirement;
step 103, reorganizing each function according to the reorganization attribute; comprising the following steps:
if the recombination attribute of any function is a centralization and calculation attribute, recombining any function to the cloud-based operation control center;
if the recombination attribute of any function is the response speed and transmission quantity attribute, recombining any function to the edge equipment;
if the recombination attribute of any function is a single perception attribute, recombining any function to the terminal perception device;
104, forming a novel CBTC architecture based on each recombined function;
the novel CBTC architecture comprises a cloud-based operation control center, edge equipment and terminal perception equipment.
2. The method of claim 1, wherein the functions of the existing CBTC train operation control system further include the functions of a train automatic monitoring system ATS;
the determining the recombination attribute of each function comprises the following steps:
and determining the recombination attribute of the functions of the ATS as centralization and calculation force attribute.
3. The method of claim 1, wherein the functions of the existing CBTC train operation control system further include functions of a train autopilot system ATO;
the determining the recombination attribute of each function comprises the following steps:
and determining that the recombination attribute of the functions of the ATO is a single perception attribute.
4. The method of claim 1, wherein the novel CBTC architecture further comprises: newly adding an autonomous operation control function;
the newly-added autonomous operation control function is located in the cloud-based operation control center.
5. The method of claim 4, wherein the adding an autonomous operation control function comprises: and the driving simulation verification function and the multi-vehicle cooperative control function.
6. The method of claim 1, wherein the edge device comprises: near equipment end input/output disposal station comprehensive management and control equipment, a train integrated platform, interval resource management equipment and station section comprehensive management and control equipment;
the terminal sensing device includes: passenger flow sensing equipment, train state sensing equipment, driving clearance sensing equipment, equipment state sensing equipment and environment sensing equipment.
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