CN115817591A - Novel CBTC (communication based train control) framework - Google Patents
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Abstract
The application provides a novel CBTC architecture generation method, which obtains the functions of the existing CBTC train operation control system; determining the recombination attributes of each function; the recombination attribute is one of the following: centralizing and calculating force attributes, response speed and transmission quantity attributes and single perception attributes; recombining each function according to the recombination attributes; based on each recombined function, a novel CBTC framework is formed. The novel CBTC architecture generation method can effectively reduce the complexity of the system, promote the independence of the functional modules and better support the promotion 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 CBTC (Communication Based Train Control System) Train Control System, the System is gradually huge for supporting inter-manufacturer interconnection and intercommunication and full-automatic driving functions, which brings many problems.
For example, for calculation of mobile authorization, a Zone Controller (ZC) in a system needs to communicate with an interlock (CI) to acquire an access state, then communicates with a train to acquire a train position, and meanwhile, the ZC needs to communicate with a plurality of ZCs in adjacent areas to acquire train sequencing in a jurisdiction area, and a comprehensive decision 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 failed; meanwhile, the complexity of the equipment and the communication cable is not beneficial to construction and risk management and control in the existing line transformation process.
Disclosure of Invention
In order to solve one of the above technical drawbacks, the present application provides a novel CBTC architecture generation method, including:
acquiring the function of the existing CBTC train operation control system;
determining the recombination attribute of each function; the recombination attribute is one of the following: centralizing and calculating force attributes, response speed and transmission quantity attributes and single perception attributes;
recombining each function according to the recombination attributes;
based on each recombined function, a novel CBTC framework is formed.
Optionally, the novel CBTC architecture includes a cloud-based operation control center, edge devices, and terminal sensing devices.
Optionally, the reorganizing the functions according to the reorganization attribute includes:
if the recombination attribute of any function is a centralization and calculation attribute, recombining the 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 the any function to the edge device;
if the recombination attribute of any function is the single perception attribute, recombining the any function to the terminal perception equipment.
Optionally, the function is a function of an automatic train protection system ATP;
the determining the recombination attributes of the functions comprises:
for any of the functions that are to be performed,
if any function has networking centralized processing and high calculation power requirement, determining the recombination attribute of any function as a centralized and calculation power attribute;
if any function has quick response and requires data transmission quantity, determining the recombination attribute of any function as response speed and transmission quantity attribute;
and if any function has a perception requirement, determining that the recombination attribute of any function is a single perception attribute.
Optionally, the function is a function of an automatic train monitoring system ATS;
the determining the recombination attributes of the functions comprises:
determining a reorganization attribute of the function as a centralization and calculation force attribute.
Optionally, the function is a function of an automatic train operation system ATO;
the determining the recombination attributes of the functions comprises:
determining the reorganization attribute of the function as a single perceptual attribute.
Optionally, the functions of ATP include: a train positioning/speed measuring function, a train safety separation function, an overspeed protection and brake confirmation function, a back slip protection function, a track end point protection function, an integrity check and train disassembly/coupling function, a zero speed detection function, a door opening interlock control function, a departure interlock function, an emergency braking function, an access interlock function, a hostile access protection function, an operation area protection function, a rail break detection function, a level crossing alarm function, and a restricted access protection function;
the track terminal protection function, the departure interlocking function, the emergency braking function, the route interlocking function, the enemy route protection function, the operation area protection function, the level crossing alarm function and the route limiting protection function all have the networked centralized processing and high calculation force requirements;
the train positioning/speed measuring function, the train safety separation function, the overspeed protection and brake confirmation function, the back slip protection function, the integrity check and train disassembly/coupling function, the zero speed detection function and the door opening interlocking control function all have quick response and data transmission quantity requirements;
the rail break detection function has a sensing requirement.
Optionally, the novel CBTC architecture further includes: adding an autonomous operation control function;
the newly added autonomous operation control function is located in the cloud-based operation control center.
Optionally, the newly added autonomous operation control function includes: the running simulation verification function and the multi-vehicle cooperative control function.
Optionally, the edge device comprises: station comprehensive control equipment, a train integrated platform, interval resource management equipment and station section comprehensive control equipment which are input and output at a near equipment end;
the terminal sensing apparatus includes: passenger flow perception equipment, train state perception equipment, driving clearance perception equipment, equipment state perception equipment, environmental perception equipment.
The application provides a novel CBTC architecture generation method, which obtains the functions of the existing CBTC train operation control system; determining the recombination attributes of each function; the recombination attribute is one of the following: centralizing and calculating force attributes, response speed and transmission quantity attributes and single perception attributes; recombining each function according to the recombination attributes; based on each recombined function, a novel CBTC framework is formed.
The novel CBTC architecture generation method can effectively reduce the complexity of the system, promote the independence of the functional modules and better support the promotion of the autonomous control capability of the train.
In addition, in one implementation, the structure of a novel CBTC (communication based train control) framework is defined, 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 implementation process of recombining the functions according to the recombination attributes is determined, so that a 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, a recombination attribute determination scheme of the ATP function is determined, so that a 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 train autonomous control capability can be better supported.
In addition, in one implementation, a reorganization attribute determination scheme of the function of the ATS is defined, so that a 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, a reorganization attribute determination scheme of the ATO function is determined, so that a 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 train autonomous control capability can be better supported.
In addition, in one implementation, the requirements of each function of the ATP are determined, so that a novel architecture design is realized, the complexity of the system can be effectively reduced, the independence of the function modules is improved, and 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: newly-increased autonomic operation control function, and newly-increased autonomic operation control function is located the operation control center based on cloud has realized novel architectural design, can effectively reduce the complexity of system, promotes functional module's independence to the promotion that can be better supports train autonomous control ability.
In addition, in one implementation, the content of the newly-added autonomous operation control function is determined, so that a novel architecture design is realized, the complexity of the system can be effectively reduced, the independence of the functional modules is improved, and the autonomous control capability of the train can be better supported.
In addition, in one implementation, the structure of the edge device and the terminal sensing device is made clear, so that a novel architecture design is realized, the complexity of the system can be effectively reduced, the independence of the functional modules is improved, and 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 embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic flowchart of a method for generating a novel CBTC architecture according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a deployment architecture according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a reorganization architecture provided in an embodiment of the present application;
fig. 4 is a schematic diagram of a novel CBTC architecture according to an embodiment of the present disclosure.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the process of implementing the present application, the inventor finds that, with the continuous evolution of a CBTC (Communication Based Train operation Control System) Train Control System, the System is gradually huge for supporting inter-manufacturer interconnection and intercommunication and full-automatic driving functions, which brings about a plurality of problems.
In order to solve the above problems, the embodiment of the present application provides a novel CBTC architecture generation method, which obtains the functions of an existing CBTC train operation control system; determining the recombination attributes of each function; the recombination attribute is one of the following: centralizing and calculating force attributes, response speed and transmission quantity attributes and single perception attributes; recombining each function according to the recombination attributes; based on each recombined function, a novel CBTC framework is formed. The novel CBTC architecture generation method can effectively reduce the complexity of the system, promote the independence of the functional modules and better support the promotion of the autonomous control capability of the train.
In the method for generating the novel CBTC architecture provided by this embodiment, a deployment architecture is first constructed according to the idea of cloud-edge-end, and the novel CBTC architecture is generated by the method shown in fig. 1 under the deployment architecture.
As shown in fig. 2, the deployment architecture includes: the system comprises a cloud-based operation control center, edge equipment and terminal sensing equipment.
1. Cloud-based operation control center
The cloud-based operation control center is a carrier of a control function facing to a network, and has the capabilities of network data sharing and resource collaborative scheduling and commanding.
2. Edge device
The edge device includes: the station comprehensive management and control device comprises a station comprehensive management and control device which is input and output to and disposed from a near device end, a train integrated platform, an interval resource management device and a station section comprehensive management and control device.
1) Station comprehensive management and control equipment
The station comprehensive management and control equipment is used for comprehensively managing and controlling station passenger transportation, traveling organization, passenger service and station management.
2) Integrated platform of train
And the train integrated platform is used for ensuring the 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 guarantees the driving safety and drives according to a plan.
3) Interval resource management device
And the interval resource management equipment is used for acquiring interval resources and driving the interval resources.
The interval resource management equipment is the management equipment for collecting and driving various equipment such as trackside track occupation, turnouts, shielded gates and the like.
4) Station section comprehensive control equipment
And the station segment comprehensive control equipment is used for controlling the related services of the station segment.
The station section comprehensive control equipment is used for multiple services of construction, maintenance, vehicle monitoring and the like of the station section; the terminal sensing equipment can perform fusion of multi-source sensing according to system functions, and sensing precision is continuously improved.
Compared with the traditional CBTC system architecture, the system deployment architecture constructed based on the cloud-edge-end thought does not need an equipment concentration station any more, and only needs to deploy IO units nearby the equipment. The system deployment architecture includes: the system comprises a cloud-based operation control center, four types of edge equipment such as station comprehensive management and control equipment, a train integrated platform, interval resource management equipment and station comprehensive management and control equipment for input and output disposal at a near equipment end, and various sensing end equipment such as passenger flow, train state, running clearance, equipment state and environment.
3. Terminal sensing equipment
Terminal aware devices include, but are not limited to: passenger flow perception equipment, train state perception equipment, driving clearance perception equipment, equipment state perception equipment, environmental perception 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 existing CBTC train operation control system functions include: the functions of an Automatic Train Protection system (ATP), an Automatic Train Operation system (ATO), and an Automatic Train Supervision system (ATS).
In addition, the functions of ATP specifically include: the system comprises a train positioning/speed measuring function, a train safety separation function, an overspeed protection and brake confirmation function, a back slip protection function, a track end point protection function, an integrity check and train disassembly/coupling function, a zero speed detection function, a door opening interlock control function, a departure interlock function, an emergency braking function, a route interlocking function, an opponent route protection function, a working area protection function, a rail break detection function, a level crossing alarm function and a limited route protection function.
The functions of the ATO specifically include: automatic speed regulation and control function, platform parking control function and vehicle door control function.
The functions of the ATS specifically include: the system comprises a CBTC train identification and tracking function, a train route function, a train automatic regulation and control function, a station parking 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 recombination attributes of each function.
Wherein the recombination attribute is one of the following: centralization and calculation force attribute, response speed and transmission quantity attribute and single perception attribute.
Since the functions of the existing CBTC train operation control system include the functions of ATP, ATS, and ATO, the attributes of this step are different according to the specific functions.
For any of the functions that are to be performed,
1. if it is a function of ATP, the implementation of step 102 is: if any function has the networked centralized processing and high computing power requirement, the recombination attribute of any function is determined to be the centralized and computing power attribute. If any function has quick response and requires data transmission quantity, the recombination attribute of any function is determined as the response speed and the transmission quantity attribute. And if any function has the sensing requirement, determining the recombination attribute of any function as the single sensing attribute.
Specifically, the functions of ATP include: the system comprises a train positioning/speed measuring function, a train safety separation function, an overspeed protection and brake confirmation function, a back slip protection function, a track end point protection function, an integrity check and train disassembly/coupling function, a zero speed detection function, a door opening interlock control function, a departure interlock function, an emergency braking function, a route interlocking function, an opponent route protection function, a working area protection function, a rail break detection function, a level crossing alarm function and a limited route protection function.
The track terminal protection function, the departure interlocking function, the emergency braking function, the route interlocking function, the enemy route protection function, the operation area protection function, the level crossing alarm function and the route limiting protection function all have the networked centralized processing and high calculation force requirements.
The train positioning/speed measuring function, the train safety separation function, the overspeed protection and brake confirmation function, the backward sliding protection function, the integrity check and train disassembly/coupling function, the zero speed detection function and the door opening interlocking control function all have quick response and data transmission quantity requirements.
The rail break detection function has a sensing requirement.
2. If it is a function of the ATS, the implementation process of step 102 is: and determining the recombination attribute of any function as a centralization and calculation force attribute.
3. If it is a function of ATO, the implementation process of step 102 is: determining the reorganization attribute of any function as a single perception attribute.
103, reorganizing the functions according to the reorganization attributes.
For example, if the restructuring attribute of any function is the centralization and calculation force attribute, any function is restructured to the cloud-based operation control center. If the recombination attribute of any function is the response speed and the transmission quantity attribute, any function is recombined to the edge device. If the recombination attribute of any function is the single perception attribute, recombining any function to the terminal perception equipment.
In addition, in the recombination process, except for considering the recombination attribute, the functions which need networking centralized processing and have high calculation force requirement are preferentially distributed to the cloud; functions which need to respond quickly and have a large transmission amount of data are preferentially allocated to the edge devices; besides the sensing functions of single temperature, humidity, wind power, stream of people and the like, which are borne by end equipment, a splitting and fusing principle and a function distribution rationality checking principle are also considered.
The principle of splitting and fusing 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 checking principle of the rationality of function distribution is as follows: the rationality of function allocation is verified through the main service flow, and the verification content is the guarantee of the function allocation on the safety.
By the splitting and fusing principle, the function items are independent as much 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 distribution is ensured through a checking principle of function distribution rationality, the whole design is checked through main service flows, and the most important criterion of checking is the guarantee of corresponding function distribution on safety.
Based on the above allocation principle, the reorganized architecture is as shown in fig. 3.
And 104, forming a novel CBTC framework based on each recombined function.
The novel CBTC architecture is generated by constructing and deploying the architecture based on the cloud-edge-end thought, so that the novel CBTC architecture comprises a cloud-based operation control center, edge equipment and terminal sensing equipment. The structure of the new CBTC architecture is also shown in fig. 2.
In addition, the novel CBTC architecture further comprises: and adding an autonomous operation control function.
The newly added autonomous operation control function is located in a cloud-based operation control center.
The newly added autonomous operation control functions include: a running simulation verification function and a multi-vehicle cooperative control function.
When an autonomous operation control function is added, firstly, microscopic simulation verification of driving can be completed by combining with a digital twin, adjustment of an operation plan is guided better, and a scheduling command strategy is made under an emergency condition. For example, when a turnout fault occurs on the site, the number of affected trains and the estimated time length of the trains at the later point can be calculated through the digital twin, and accordingly the driving plan can be dynamically adjusted according to the influence range and the time length.
On the other hand, incorporating a digital twin may facilitate the evolution from control of a single vehicle to multi-vehicle cooperative control. For example, the energy consumption of multi-train cooperation is saved, and the automatic driving strategies and parameters are shared on line among different trains.
And distributing the newly-added autonomous operation control function to the recombined architecture to obtain the 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 the cloud and the digital twins, when a train autonomous operation control system architecture based on the cloud and the digital twins is adopted for a sound insulation window, firstly, a deployment architecture of the system is constructed according to a cloud-edge-end thought, then, on the basis, functions of an existing CBTC train operation control system are recombined, and an AI-energized newly-added autonomous operation control function is formed by combining the digital twins and the conciseness. The architecture accords with the intensive design principle, and compared with the traditional architecture, the architecture can better improve the independence of functional modules and reduce the coupling among the modules; meanwhile, the intelligent level of the whole train control system can be improved by effectively combining the cloud computing capability and the digital twin capability.
The cloud and digital twin-based novel CBTC generated by the cloud and digital twin-based novel CBTC generating method provided by the embodiment has low complexity and strong applicability to autonomous control application.
The embodiment provides a novel CBTC architecture generation method, which is used for acquiring the functions of an existing CBTC train operation control system; determining the recombination attributes of each function; the recombination attribute is one of the following: centralizing and calculating force attributes, response speed and transmission quantity attributes and single perception attributes; recombining each function according to the recombination attributes; based on each recombined function, a novel CBTC framework is formed. The novel CBTC architecture generation method provided by the embodiment can effectively reduce the complexity of the system, promote the independence of the functional modules, and better support the promotion of the autonomous control capability of the train.
As will be appreciated by one skilled in the art, 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 scheme in the embodiment of the application can be implemented by adopting various computer languages, such as object-oriented programming language Java and transliterated scripting language JavaScript.
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 flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams 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 the 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. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A novel CBTC architecture generation method, the method comprising:
acquiring the function of the existing CBTC train operation control system;
determining the recombination attributes of each function; the recombination attribute is one of the following: centralizing and calculating force attributes, response speed and transmission quantity attributes and single perception attributes;
recombining each function according to the recombination attributes;
based on each recombined function, a novel CBTC framework is formed.
2. The method of claim 1, wherein the new CBTC architecture comprises a cloud-based operations control center, edge devices, and terminal aware devices.
3. The method of claim 2, wherein said reorganizing functions according to reorganization attributes comprises:
if the recombination attribute of any function is a centralization and calculation attribute, recombining the 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 the any function to the edge device;
if the recombination attribute of any function is the single perception attribute, recombining the any function to the terminal perception equipment.
4. Method according to claim 2, characterized in that the function is a function of the automatic train protection system ATP;
the determining the recombination attributes of the functions comprises:
for any of the functions that are to be performed,
if any function has networking centralized processing and high calculation power requirement, determining the recombination attribute of any function as a centralized and calculation power attribute;
if any function has quick response and requires data transmission quantity, determining the recombination attribute of any function as response speed and transmission quantity attribute;
and if any function has a perception requirement, determining that the recombination attribute of any function is a single perception attribute.
5. The method of claim 2, wherein the function is a function of an automatic train monitoring system (ATS);
the determining the recombination attributes of the functions comprises:
determining a reorganization attribute of the function as a centralization and computation attribute.
6. The method of claim 2, wherein the function is a function of a train automatic driving system (ATO);
the determining the recombination attributes of the functions comprises:
determining a reorganization attribute of the function as a single perceptual attribute.
7. The method of claim 4, wherein the function of ATP comprises: a train positioning/speed measuring function, a train safety separation function, an overspeed protection and brake confirmation function, a back slip protection function, a track end point protection function, an integrity check and train disassembly/coupling function, a zero speed detection function, a door opening interlock control function, a departure interlock function, an emergency braking function, an access interlock function, a hostile access protection function, an operation area protection function, a rail break detection function, a level crossing alarm function, and a restricted access protection function;
the track terminal protection function, the departure interlocking function, the emergency braking function, the route interlocking function, the enemy route protection function, the operation area protection function, the level crossing alarm function and the route limiting protection function all have the networked centralized processing and high calculation force requirements;
the train positioning/speed measuring function, the train safety separation function, the overspeed protection and brake confirmation function, the backward sliding protection function, the integrity check and train disassembly/coupling function, the zero speed detection function and the door opening interlocking control function all have quick response and data transmission quantity requirements;
the rail break detection function has a sensing requirement.
8. The method of claim 2, wherein the novel CBTC architecture further comprises: adding an autonomous operation control function;
the newly added autonomous operation control function is located in the cloud-based operation control center.
9. The method of claim 8, wherein the newly added autonomous-operation control function comprises: the running simulation verification function and the multi-vehicle cooperative control function.
10. The method of claim 2, wherein the edge device comprises: the station comprehensive management and control device comprises a station comprehensive management and control device, a train integrated platform, an interval resource management device and a station section comprehensive management and control device which are input and output at a near device end;
the terminal sensing apparatus includes: passenger flow perception equipment, train state perception equipment, driving clearance perception equipment, equipment state perception equipment, environmental perception equipment.
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