CN110884535A - Intelligent train system implementation method - Google Patents
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- CN110884535A CN110884535A CN201911144441.8A CN201911144441A CN110884535A CN 110884535 A CN110884535 A CN 110884535A CN 201911144441 A CN201911144441 A CN 201911144441A CN 110884535 A CN110884535 A CN 110884535A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
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Abstract
The embodiment of the invention provides an intelligent train system implementation method, which comprises the following steps: applying artificial intelligence technology to intelligent train, station and line design; utilizing big data technology to analyze customer behavior and realize other applications; designing a simulation driving simulation system by utilizing a virtual reality technology and realizing other applications; the technology of the Internet of things is applied to the aspects of comprehensive information service and the like; the automatic driving technology is utilized to realize automatic driving of the train, accurate stopping of the train and other applications; the block chain technology is utilized, so that the safety of a risk control mode, a logistics supply chain and an encrypted digital passenger ticket is improved; and the traffic service before and after passengers take the train is optimized by utilizing a sharing technology. According to the implementation method of the intelligent train system, provided by the embodiment of the invention, the artificial intelligence, the big data technology, the virtual reality technology, the Internet of things, the automatic driving technology, the block chain technology and the sharing technology are applied to the design of the train system, so that the intelligent level of the train is obviously improved.
Description
Technical Field
The invention relates to the technical field of trains, in particular to an intelligent train system implementation method.
Background
With the improvement of the living standard of people and the continuous and deep application of technologies such as intellectualization, informatization, digitization and the like, the whole society is changed to a service society and an information society, so that higher requirements are put forward on railway transportation services. The train needs to provide more convenient, efficient and high-quality comprehensive transportation services for passengers and cargo owners, including travel whole-course intelligent navigation service, seamless integration of travel and social and economic services, cargo whole-course state perception, and integration into a comprehensive transportation service system to realize door-to-door logistics service and the like. Each system of the traditional train is not reasonably butted with the modern technology, so that the quality of railway transportation service and the operational benefit can not meet the requirements of the modern society more and more, and therefore, the intelligent train system is produced at the right moment.
The traditional intelligent train system consists of two core technologies of an internet of things and a sensor network. The management of the whole life cycle of all parts of the intelligent train is realized by adopting the technology of the Internet of things, all parts are tracked and managed by files, and the functions of part sharing, maintenance reminding and the like can be realized by means of a management database of an overhaul base. The sensor network technology solves the holographic problem of intelligent train operation data, can comprehensively master the real-time operation state of a train, uniformly collects sensor information including temperature, stress, acceleration, current and voltage in real time, carries out preprocessing such as denoising, de-weighting and encryption, then converges a train-mounted data center through a network, and can analyze data. The system has the advantages that self-detection, self-diagnosis and self-decision-making capabilities are formed, dynamic monitoring, intelligent diagnosis and on-way early warning are carried out on key systems and components which directly affect driving safety such as running, traction and braking, any potential danger or fault condition is alarmed, active accident prevention and rapid fault handling are achieved, and the running safety and reliability of the train are improved.
However, the current intelligent train system does not fully apply the technology of the intelligent industry, and the intelligent level of the system still needs to be improved.
Disclosure of Invention
In order to solve the problems in the prior art, an embodiment of the present invention provides an intelligent train system implementation method, including: applying an artificial intelligence technology to the design of intelligent trains, intelligent stations and intelligent lines; utilizing big data technology to analyze customer behavior, equipment data and diagnose faults; designing a simulation driving simulation system by using a virtual reality technology, carrying out virtual design, manufacturing, assembly and maintenance, and constructing an immersive virtual reality rail transit environment; the technology of the Internet of things is applied to comprehensive information service, business hosting service, online control, data exchange, decision support, cloud computing and information security protection; the automatic driving technology is utilized to realize automatic driving of the train, accurate parking of the train, linkage management of a vehicle door shield door, automatic turning back of the train, parking management of the station, jumping and stopping control of the station and buckling control of the station; the block chain technology is utilized, and the safety of railway information is improved in the aspects of a safety risk control mode, a logistics supply chain and encrypted digital ticket generation; and optimizing the traffic service before and after passengers take trains by utilizing a sharing technology, and constructing a traffic chain.
Further, the application of the artificial intelligence technology to the design of intelligent trains, intelligent stations and intelligent lines specifically includes: in the aspect of intelligent trains, a rail transit system is developed through an artificial intelligence system, the technical integration and matching of vehicle-mounted sensing, automatic driving, Internet of vehicles and Internet of things are enhanced, and a traffic intelligent sensing system is developed; in the aspect of intelligent stations, intelligent monitoring and management of station equipment are realized by establishing an intelligent station operation sensing system based on deep learning illegal intrusion identification, people stream gathering and diffusion abnormity detection and environment monitoring and adjustment; in the aspect of intelligent circuits, a real-time monitoring and disaster early warning system is established, and automatic emergency disposal of intrusion events and sudden disasters is realized.
Further, the utilizing big data technology to perform customer behavior analysis, equipment data analysis and fault diagnosis specifically includes: the method provides a data decision basis for planning, construction and operation of the rail transit by deeply mining passenger flow distribution data, driving data and IC card data; by applying a big data platform and adopting a clustering and classifying algorithm, carrying out detailed analysis on the objects at the individual level, and refining travel characteristics, wherein the travel characteristics comprise migration, distribution and time; and discovering the change rule of population mobility through the analysis of big data; comprehensively utilizing the running state, fault information and linkage control data of the equipment, constructing an energy consumption statistics and monitoring platform, and realizing analysis and display of energy consumption data; and performing system fault diagnosis and safety monitoring by performing big data analysis on train operation data.
Further, the design of the simulated driving simulation system, the virtual design, the manufacture, the assembly and the maintenance by using the virtual reality technology, and the construction of the immersive virtual reality rail transit environment specifically include: designing a simulation driving simulation system of a preset vehicle type including a rail inspection vehicle, and improving the performance and experience of the simulation driving simulation system through a virtual reality technology; carrying out virtual design, manufacture, assembly and maintenance by using a virtual reality technology; the immersive virtual reality rail transit environment is constructed, so that a user is personally on the scene, feels and accepts and naturally interacts in the virtual environment, and the immersive virtual reality rail transit environment is used for supporting rail transit comfort evaluation, experience and evaluation of a rail transit main body and an accessory facility, abnormal driving behavior experience, and driver psychological test and behavior analysis research.
Further, the application of the internet of things technology to comprehensive information service, business hosting service, online control, data exchange, decision support, cloud computing and information security protection specifically includes: in the aspect of comprehensive information service, the information of the running condition of each train is collected and summarized by using the core technology of the Internet of things including a sensing technology and a communication technology, and information is issued and information inquiry service is provided; in the aspect of service hosting service, related software and hardware services are intelligently provided aiming at various train information transmitted through the Internet of things, wherein the related software and hardware services comprise train scheduling scheme analysis, train running condition analysis and intelligent train control; in the aspect of on-line control, relevant data of train operation is detected in real time, and a corresponding operation scheme, authentication and tracking service are provided for intelligent train operation; in the aspect of data exchange, the information sharing of each system inside and outside the rail transit is realized; in the aspect of decision support, data statistics is provided for train operation, a report is generated, then on the basis of data summarization analysis, a data mining technology and related software are used for analyzing an operation data source of rail transit, service data are analyzed and utilized, and meanwhile, a decision suggestion with guidance value on train operation is obtained according to different requirements of train operation; in the aspect of cloud computing, a perfect cloud computing system is established to undertake the computing processing of partial functions with complex computing and insufficient local data, the processing result is transmitted to a local system, and then the corresponding function is realized locally; in the aspect of information safety protection, a virtual local area network is constructed in a unified information transmission network to ensure effective isolation of safety information and non-safety information, and for transmission of information, a special safety communication protocol and a data encryption algorithm for a rail transit system are established and strictly controlled.
Further, utilize the autopilot technique, realize train automatic driving, the accurate parking of train, door shield door linkage management, the automatic control of turning back of train, station parking management, station jump stop control and station control of detaining, specifically include: in the aspect of automatic train driving, under the safety protection of an automatic train protection system, the automatic control of the traction, the cruise, the coasting and the braking of a train is completed according to an operation plan and a target speed curve, so that the automatic train driving is realized; in the aspect of accurate parking of the train, according to the change of the speed, the preset braking rate, the distance and the parking point of the train, a braking curve is calculated, the running error of the train is corrected, meanwhile, the train follows the braking curve through the corresponding braking force, the precision of the parking point is ensured, and the alignment of a train door, a shield door and a safety door is realized; in the aspect of linkage management of the vehicle door and the screen door, after the ATO is authorized by the ATP subsystem, a vehicle-driving door command is sent to the train, meanwhile, a door opening instruction of the screen door is sent through a vehicle-ground communication channel, and the screen door is released by a screen door management system; when a train is started, the train is allowed to start only after the train door and the shielding door are linked and closed; when the train is not stopped stably or is not stopped at a specified position, a signal for opening the train door is not allowed to be given; in the aspect of automatic turning back of the train, under the protection of ATP, after the train reaches a turning back station, the automatic turning back operation of the train is realized, the turning back process of the train is automatically managed by the ATO, and the operation of exchanging a head train control end and a tail train control end is completed; in the aspect of station parking management, the parking time is calculated according to the actual arrival time and the required departure time to assist the train to start at the right moment; in the aspect of station jump stop control, a scheduling command is sent to a train through a scheduling system, one train, one group of trains or all trains skip a specific station or platform, and after the scheduling command is received, the train does not stop at the specific station or platform; in the aspect of station car-buckling control, a train parked at the current station is buckled, and if the train cannot be buckled at the current station in the future, the train is buckled when the train enters the next station; after the train stops, the door of the train is kept open until the train is removed from the station and resumes running.
Further, the method for improving the railway information security in the aspects of a security risk management and control mode, a logistics supply chain and encrypted digital ticket generation by using the block chain technology specifically comprises the following steps: in the aspect of safety risk control, a block chain technology is applied, and a safety management control system for group prevention and mass control is established based on the historical and real-time rich large database on the basis of four major factors of people, machines, environment and management related to railway safety production; in the aspect of logistics supply chain, the block chain technology is utilized to solve the problem of transaction trust among railway units, railway enterprises and social enterprises, the flexibility is improved on the basis of ensuring the confidentiality, and the cost is reduced; in the aspect of encrypted digital ticket generation, the encryption characteristic is improved, the scientificity of ticket amount distribution and flow direction is enhanced, the development of a railway ticket system from a centralized mode to a center or multiple centers is accelerated, the utilization efficiency of passenger transport resources is improved, the privacy of users is further guaranteed, the links of ticket transaction and check are simplified, and the automation and intelligentization level of passenger transport service is improved.
Further, the utilization of the sharing technology optimizes traffic services before and after passengers take trains, and constructs a traffic chain, specifically comprising: the Internet and the sharing economy are combined, so that the public can independently select a connection and trip mode of rail transit according to an acceptable price; by taking information symmetry as a core and supplying matching requirements, the track trip passenger and the shared vehicle owner travel are accurately matched, and the empty driving rate and the empty driving range are reduced; the whole monitoring of the track trip operation process is realized by means of big data; the increase rate of the number of private cars is controlled by checking the transportation resource stock of the living private cars and exchanging the taxi increment with the private car stock, so that a shared traffic mode that multiple persons jointly take one car and one car serves multiple passengers is formed, and the convenience of connection of the rail transit in the last kilometer is ensured by using shared traffic.
According to the implementation method of the intelligent train system, provided by the embodiment of the invention, the artificial intelligence, the big data technology, the virtual reality technology, the Internet of things, the automatic driving technology, the block chain technology and the sharing technology are applied to the design of the train system, so that the intelligent level of the train is obviously improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart of an intelligent train system implementation method provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flowchart of an intelligent train system implementation method provided by an embodiment of the present invention. As shown in fig. 1, the method includes: step 101, applying an artificial intelligence technology to the design of an intelligent train, an intelligent station and an intelligent line; 102, performing customer behavior analysis, equipment data analysis and fault diagnosis by using a big data technology; 103, designing a simulation driving simulation system by using a virtual reality technology, carrying out virtual design, manufacturing, assembly and maintenance, and constructing an immersive virtual reality rail transit environment; step 104, applying the technology of the internet of things to comprehensive information service, business hosting service, online control, data exchange, decision support, cloud computing and information security protection; 105, realizing automatic driving of the train, accurate parking of the train, linkage management of a vehicle door shield door, automatic train turning back, station parking management, station jumping and stopping control and station buckling control by utilizing an automatic driving technology; 106, improving the safety of the railway information in the aspects of a safety risk control mode, a logistics supply chain and encrypted digital ticket generation by using a block chain technology; and step 107, optimizing traffic services before and after passengers take trains by using a sharing technology, and constructing a traffic chain.
An industry proprietary technology system and an intelligent industry technology system for supporting the core service of the intelligent rail transit system. The special technical system relates to the special technologies in different application fields of rail transit, such as an intelligent driving vehicle performance improving technology, an intelligent multi-marshalling and multi-intelligent train system control technology, a high-precision positioning technology, an intelligent passenger transport organization technology and an intelligent freight transportation technology, and the application of the technologies can obviously improve the performance in the aspect of intelligent operation management; and if the intelligent on-the-way early warning technology, the intelligent health management technology and the intelligent emergency disposal technology are applied, the intelligent guarantee of system safety can be enhanced. By applying the technology, the intellectualization of the full travel chain information service of the passenger and the intellectualization of the refined service of the last kilometer of the passenger are realized in the aspect of the intelligent information service of the passenger. An intelligent industry technical system relates to intelligent rail transit technologies, such as artificial intelligence, big data technology, virtual reality technology, internet of things, automatic driving technology, block chain technology, sharing technology and the like.
With the sudden and violent advancement of the information technology and the breakthrough progress of the artificial intelligence technology, the transportation organization efficiency can be improved, the user requirements can be accurately mastered, the automatic investigation of the risk and the hidden danger can be realized, the fine management level can be improved, and the maintenance cost can be reduced by reasonably applying the artificial intelligence technology. The comprehensive utilization capacity of the information can be improved by utilizing a big data technology. The virtual reality technology is still in continuous development and is applied to aspects of rail transit design, driving simulation, training and teaching, rail transit industry marketing and display and the like. With the development of the technology, the rail transit automation level can be improved by introducing the technology into the rail transit industry, the goal of intelligent operation is gradually realized, and the operation cost is reduced in some aspects. The internet of things technology improves the interconnection and interoperability between objects, and the functions of various aspects in an intelligent train system can be improved by utilizing the internet technology. The automatic driving technology reduces the cost of train operation, increases the operation flexibility, makes intensive departure possible, and is a reliable technical guarantee for the urban rail transit to enter the automation era. The block chain is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism, an encryption algorithm and the like, and is generated along with the application of the information technology revolution. Nowadays, the development is gradually carried out from the financial field to more fields such as logistics, transportation, energy, credit investigation, social management and the like. The development of 'shared railways' makes high-speed rail, intercity, highway, subway and public traffic systems strongly connected, and the public traffic chain is more comfortable and convenient to get out. Not only expands the economy, information and talent abdominal land in the area, but also better promotes the fusion and development of the area economy.
Therefore, the embodiment of the invention applies the artificial intelligence technology to the design of intelligent trains, intelligent stations and intelligent lines; utilizing big data technology to analyze customer behavior, equipment data and diagnose faults; designing a simulation driving simulation system by using a virtual reality technology, carrying out virtual design, manufacturing, assembly and maintenance, and constructing an immersive virtual reality rail transit environment; the technology of the Internet of things is applied to comprehensive information service, business hosting service, online control, data exchange, decision support, cloud computing and information security protection; the automatic driving technology is utilized to realize automatic driving of the train, accurate parking of the train, linkage management of a vehicle door shield door, automatic turning back of the train, parking management of the station, jumping and stopping control of the station and buckling control of the station; the block chain technology is utilized, and the safety of railway information is improved in the aspects of a safety risk control mode, a logistics supply chain and encrypted digital ticket generation; and optimizing the traffic service before and after passengers take trains by utilizing a sharing technology, and constructing a traffic chain. The intelligent level of the train is greatly improved by applying artificial intelligence, a big data technology, a virtual reality technology, an internet of things, an automatic driving technology, a block chain technology and a sharing technology to the design of the train system.
According to the embodiment of the invention, artificial intelligence, a big data technology, a virtual reality technology, an Internet of things technology, an automatic driving technology, a block chain technology and a sharing technology are applied to the design of a train system, so that the intelligent level of the train is obviously improved.
Further, based on the above embodiment, the application of the artificial intelligence technology to the design of intelligent trains, intelligent stations, and intelligent lines specifically includes: in the aspect of intelligent trains, a rail transit system is developed through an artificial intelligence system, the technical integration and matching of vehicle-mounted sensing, automatic driving, Internet of vehicles and Internet of things are enhanced, and a traffic intelligent sensing system is developed; in the aspect of intelligent stations, intelligent monitoring and management of station equipment are realized by establishing an intelligent station operation sensing system based on deep learning illegal intrusion identification, people stream gathering and diffusion abnormity detection and environment monitoring and adjustment; in the aspect of intelligent circuits, a real-time monitoring and disaster early warning system is established, and automatic emergency disposal of intrusion events and sudden disasters is realized.
In the application of artificial intelligence technology: in the aspect of intelligent trains, a rail transit system is developed through an artificial intelligence system, the integration and matching of technologies such as vehicle-mounted sensing, automatic driving, Internet of vehicles and Internet of things are enhanced, a traffic intelligent sensing system is developed, an autonomous automatic driving platform technology system and product assembly capacity are formed, and a new rail transit mode is explored. In the aspect of intelligent stations, intelligent monitoring and management of station equipment are realized by establishing an intelligent station operation sensing system based on deep learning illegal intrusion identification, people flow gathering and diffusion abnormity detection and environment monitoring and adjustment, so that the aims of convenient travel of passengers, warm service of stations, safety, real-time guarantee and energy conservation and environmental protection of equipment are fulfilled. In the aspect of intelligent lines, at present, manual observation or a traditional algorithm is still adopted for railway video monitoring intrusion, the problems of high missing report rate, high false report rate and low accuracy rate exist, and systems such as real-time monitoring, disaster early warning and the like need to be established on the basis of artificial intelligence to realize automatic emergency treatment of events such as intrusion and sudden disasters.
On the basis of the embodiment, the intelligent design level of the train, the station and the line is improved by reasonably applying the artificial intelligence technology.
Further, based on the above embodiment, the performing, by using big data technology, customer behavior analysis, device data analysis, and fault diagnosis specifically includes: the method provides a data decision basis for planning, construction and operation of the rail transit by deeply mining passenger flow distribution data, driving data and IC card data; by applying a big data platform and adopting a clustering and classifying algorithm, carrying out detailed analysis on the objects at the individual level, and refining travel characteristics, wherein the travel characteristics comprise migration, distribution and time; and discovering the change rule of population mobility through the analysis of big data; comprehensively utilizing the running state, fault information and linkage control data of the equipment, constructing an energy consumption statistics and monitoring platform, and realizing analysis and display of energy consumption data; and performing system fault diagnosis and safety monitoring by performing big data analysis on train operation data.
The comprehensive data decision basis is provided for planning, construction and operation of rail transit by deeply mining various data such as passenger flow distribution, traveling, IC cards and the like; by applying a stable and reliable big data platform and adopting algorithms such as clustering, classification and the like, the detailed analysis of the individual level of the object is adopted, wherein the detailed analysis comprises travel characteristics such as migration, distribution, time and the like; the law of population mobility transition is discovered through analysis of big data, an area with outstanding transport capacity contradiction is found out, and positive promotion and verification effects are achieved on management operation, population dispersion and new line planning of rail transit. The running state, the fault information and the linkage control data of the equipment are comprehensively utilized, so that the analysis and the display of the energy consumption data are realized, and the prediction of the subway energy consumption and the improvement of energy conservation and emission reduction are further realized. The energy consumption statistics and monitoring platform is built, the big data with multiple sources are adopted, and data services can be provided for a plurality of platforms and systems through diversified data interfaces. And carrying out system fault diagnosis and safety monitoring through the data. The running data of the train, including running speed, energy consumption and the like, can reflect the running state of the train, and the big data technology can perform data mining according to the rule of the running data, so as to judge whether the running of the train breaks down.
On the basis of the embodiment, the intelligent level of customer behavior analysis, equipment data analysis and fault diagnosis is improved by reasonably applying the big data technology.
Further, based on the above embodiments, the designing of the driving simulation system, the virtual designing, the manufacturing, the assembling and the maintaining, and the constructing of the immersive virtual reality rail transit environment by using the virtual reality technology specifically include: designing a simulation driving simulation system of a preset vehicle type including a rail inspection vehicle, and improving the performance and experience of the simulation driving simulation system through a virtual reality technology; carrying out virtual design, manufacture, assembly and maintenance by using a virtual reality technology; the immersive virtual reality rail transit environment is constructed, so that a user is personally on the scene, feels and accepts and naturally interacts in the virtual environment, and the immersive virtual reality rail transit environment is used for supporting rail transit comfort evaluation, experience and evaluation of a rail transit main body and an accessory facility, abnormal driving behavior experience, and driver psychological test and behavior analysis research.
The application of the virtual reality technology in the aspect of the intelligent train system is mainly embodied in the following three aspects:
(1) high-performance and diversity simulation driving simulation system
Through the virtual reality technology, the performance and experience of the simulation driving simulation system are improved, and the simulation driving simulation system of vehicle models such as rail inspection vehicles is designed.
(2) Virtual design, manufacture, assembly and repair
The rail transit equipment is long in development period, high in design cost, large in development risk and complex in maintenance process, and virtual design, manufacturing and the like provide support for saving product design cost, reducing design risk, reducing maintenance cost and improving industry competitiveness.
(3) Immersive rail transit experience and evaluation
The immersive virtual reality rail transit environment is constructed, so that a user is personally on the scene, feels and accepts, and naturally interacts in the virtual environment, and the immersive virtual reality rail transit environment is used for supporting the research on the aspects of rail transit comfort evaluation, rail transit subject and accessory facility experience and evaluation, abnormal driving behavior experience, driver psychological test and behavior analysis and the like.
On the basis of the embodiment, the embodiment of the invention realizes simulation driving simulation, virtual design, manufacture, assembly and maintenance and construction of an immersive virtual reality rail transit environment by reasonably applying a virtual reality technology.
Further, based on the above embodiments, the application of the internet of things technology to comprehensive information service, business hosting service, online control, data exchange, decision support, cloud computing and information security protection specifically includes: in the aspect of comprehensive information service, the information of the running condition of each train is collected and summarized by using the core technology of the Internet of things including a sensing technology and a communication technology, and information is issued and information inquiry service is provided; in the aspect of service hosting service, related software and hardware services are intelligently provided aiming at various train information transmitted through the Internet of things, wherein the related software and hardware services comprise train scheduling scheme analysis, train running condition analysis and intelligent train control; in the aspect of on-line control, relevant data of train operation is detected in real time, and a corresponding operation scheme, authentication and tracking service are provided for intelligent train operation; in the aspect of data exchange, the information sharing of each system inside and outside the rail transit is realized; in the aspect of decision support, data statistics is provided for train operation, a report is generated, then on the basis of data summarization analysis, a data mining technology and related software are used for analyzing an operation data source of rail transit, service data are analyzed and utilized, and meanwhile, a decision suggestion with guidance value on train operation is obtained according to different requirements of train operation; in the aspect of cloud computing, a perfect cloud computing system is established to undertake the computing processing of partial functions with complex computing and insufficient local data, the processing result is transmitted to a local system, and then the corresponding function is realized locally; in the aspect of information safety protection, a virtual local area network is constructed in a unified information transmission network to ensure effective isolation of safety information and non-safety information, and for transmission of information, a special safety communication protocol and a data encryption algorithm for a rail transit system are established and strictly controlled.
The main application of the internet of things technology in the intelligent train system is embodied in the improvement of the following functions:
(1) and integrating information service functions. The comprehensive information service is one of basic functions of the internet of things, and specifically comprises information publishing and information query. The information of the running condition of each train is collected and summarized by mainly utilizing the core technologies of the Internet of things such as a sensing technology, a communication technology and the like. The user can quickly obtain information in aspects of relevant trains, policy and regulations and the like from the information platform in various modes such as the internet, a mobile phone client and the like. The acquired information can be divided into two categories: one is the relevant train information and professional consulting service after the information platform is integrated; another type is the presence information of the train supporting the train activity.
(2) The business hosts the service function. The rail transit is an important component of an intelligent transportation system on one hand, and is also a service object of the technology of the internet of things on the other hand, so that the provision of the service hosting service is another basic function of the intelligent rail transit. For various train information transmitted via the internet of things, the intelligent rail transit platform can provide related software and hardware services. The intelligent application of the service is mainly embodied in train scheduling scheme analysis, train operation condition analysis, intelligent train control and the like.
(3) And (4) performing an online control function. According to diversified requirements of different running conditions, the Internet of things and a new-generation communication technology system can detect relevant data of train running in real time, and provide corresponding running schemes, authentication, tracking and the like for train intelligence.
(4) A data exchange function. A plurality of systems are involved inside and outside the rail transit system, and information sharing among the systems can be realized.
(5) A decision support function. The function is that the decision-making personnel are assisted to determine the optimal scheme of the rail transit strategy and strategy by applying scientific methods such as artificial intelligence, business intelligence and the like for modeling, so that the decision-making process is more scientific and effective. The basic decision support function mainly comprises the steps of providing data statistics for train operation and generating a report, then analyzing an operation data source of rail transit by using a data mining technology and related software on the basis of data summarization analysis, performing deeper analysis and utilization on service data by using corresponding data analysis, and simultaneously acquiring decision suggestions with guiding values for train operation according to different requirements of train operation, wherein typical analysis comprises customer service analysis, train scheduling and the like.
(6) And (5) cloud computing function. Due to the limited computing power of the local system, insufficient information sources or unnecessary functions, the local system cannot perform all the computation and implementation of the functions. Therefore, a complete cloud computing system is established, part of computing processing with complex computing and insufficient local data functions can be undertaken, and the processing result can be transmitted to a local system and realized locally.
(7) And (4) information safety protection function. The information interaction of the Internet of things is complex and changeable, and the vulnerability is easy to appear, so that the information security of the whole system is damaged. Therefore, in the rail transit equipment system information platform, the effective isolation of the safety information and the non-safety information is ensured by constructing the VLAN (virtual local area network) in the unified information transmission network. And the transmission of information is to establish a special safe communication protocol and a data encryption algorithm for the rail transit system and strictly control.
On the basis of the embodiment, the embodiment of the invention realizes the performance improvement of comprehensive information service, business hosting service, online control, data exchange, decision support, cloud computing and information safety protection by reasonably applying the technology of the internet of things.
Further, based on above-mentioned embodiment, utilize the autopilot technique, realize train autopilot, the accurate parking of train, door shield door linkage management, the automatic control of turning back of train, station parking management, station jump stop control and station control of buckling a car, specifically include: in the aspect of automatic train driving, under the safety protection of an automatic train protection system, the automatic control of the traction, the cruise, the coasting and the braking of a train is completed according to an operation plan and a target speed curve, so that the automatic train driving is realized; in the aspect of accurate parking of the train, according to the change of the speed, the preset braking rate, the distance and the parking point of the train, a braking curve is calculated, the running error of the train is corrected, meanwhile, the train follows the braking curve through the corresponding braking force, the precision of the parking point is ensured, and the alignment of a train door, a shield door and a safety door is realized; in the aspect of linkage management of the vehicle door and the screen door, after the ATO is authorized by the ATP subsystem, a vehicle-driving door command is sent to the train, meanwhile, a door opening instruction of the screen door is sent through a vehicle-ground communication channel, and the screen door is released by a screen door management system; when a train is started, the train is allowed to start only after the train door and the shielding door are linked and closed; when the train is not stopped stably or is not stopped at a specified position, a signal for opening the train door is not allowed to be given; in the aspect of automatic turning back of the train, under the protection of ATP, after the train reaches a turning back station, the automatic turning back operation of the train is realized, the turning back process of the train is automatically managed by the ATO, and the operation of exchanging a head train control end and a tail train control end is completed; in the aspect of station parking management, the parking time is calculated according to the actual arrival time and the required departure time to assist the train to start at the right moment; in the aspect of station jump stop control, a scheduling command is sent to a train through a scheduling system, one train, one group of trains or all trains skip a specific station or platform, and after the scheduling command is received, the train does not stop at the specific station or platform; in the aspect of station car-buckling control, a train parked at the current station is buckled, and if the train cannot be buckled at the current station in the future, the train is buckled when the train enters the next station; after the train stops, the door of the train is kept open until the train is removed from the station and resumes running.
The embodiment of the invention explains the application of the automatic driving technology in an intelligent train system from seven aspects of the automatic driving function of the train, the precise stopping function of the train, the linkage management of a vehicle door shield door, the automatic turning back of the train, the stopping management of a station, the stop jumping control of the station and the stopping control of the station.
(1) And the automatic train driving function. Under the safety Protection of an Automatic Train Protection system (ATP), the Automatic control of the traction, the cruise, the coasting and the braking of the Train is completed according to an operation plan and a target speed curve, the Automatic driving of the Train is realized, and the indexes of riding safety, punctuality, comfort, energy conservation and the like are met.
(2) The train accurate parking function. According to the change of the speed, the preset braking rate and the distance of the train and the stop point, a braking curve is calculated, the running error of the train is corrected, the train follows the braking curve through corresponding braking force, the stop point precision is ensured, and the alignment of a vehicle door and a shield door/a safety door is realized. The accurate positioning and parking of the train when the train enters the station is a basic function of ATO, and the accurate positioning and parking of the train in the up-down direction of the station track is realized according to the transportation organization requirement.
(3) And (5) linkage management of the vehicle door shield door. After authorization of the ATP subsystem, sending a driving door command to the train, sending a door opening command of the shield door through a train-ground communication channel, and releasing the shield door by a shield door management system; when a train is started, the train is allowed to start only after the train door and the shielding door are linked and closed; when the train is not stopped stably or at a prescribed position, a signal for opening the train door is not allowed to be given. The opening/closing of the door is realized by ATO, and the action time and safety are managed by ATP.
(4) The train automatically turns back. Under the protection of ATP, after the train arrives at the return station, the automatic return operation of the train is realized. The ATO automatically manages the return process of the train and finishes the operation of changing the control end (namely changing end) of the head and the tail trains. The automatic turn-back should meet the requirements of the tracking interval and the transport capacity of the positive train.
(5) And (5) parking management of the station. And calculating the stopping time according to the actual arrival time and the required departure time, assisting the train to start at the right moment, ensuring the conversion rate of the timetable and improving the service quality.
(6) And controlling station jump stop. The train dispatcher can send a dispatching command to enable one train, one group of trains or all trains to skip a specific station or platform, and after receiving the dispatching command, the trains do not stop at the specific station or platform. In practical application, if a certain station cannot be used for a long time, the information of stopping at the front station is provided for all trains at the adjacent station (namely the station close to the station in any direction) until the station is recovered to be used; or when a certain station has a temporary emergency and cannot normally stop the train, the jump stop function needs to be used for the train close to the station.
(7) And (5) controlling the vehicle buckling at the station. The system provides a manual car-buckling function for dispatching personnel, and can buckle the train parked at the current station, and if the train can not be buckled at the current station in time, the train can be buckled when the train enters the next station. After the train stops, the train door is kept open until the dispatcher cancels the train fastening, and at the moment, the train drives away from the station and starts to run according to the schedule.
On the basis of the embodiment, the intelligent levels of automatic train driving, accurate train parking, linkage management of the car door screen door, automatic train turning back, station parking management, station jumping parking control and station car buckling control are improved by reasonably utilizing an automatic driving technology.
Further, based on the above embodiment, the using the block chain technology to improve the railway information security in the aspects of a security risk management and control manner, a logistics supply chain, and generation of encrypted digital tickets specifically includes: in the aspect of safety risk control, a block chain technology is applied, and a safety management control system for group prevention and mass control is established based on the historical and real-time rich large database on the basis of four major factors of people, machines, environment and management related to railway safety production; in the aspect of logistics supply chain, the block chain technology is utilized to solve the problem of transaction trust among railway units, railway enterprises and social enterprises, the flexibility is improved on the basis of ensuring the confidentiality, and the cost is reduced; in the aspect of encrypted digital ticket generation, the encryption characteristic is improved, the scientificity of ticket amount distribution and flow direction is enhanced, the development of a railway ticket system from a centralized mode to a center or multiple centers is accelerated, the utilization efficiency of passenger transport resources is improved, the privacy of users is further guaranteed, the links of ticket transaction and check are simplified, and the automation and intelligentization level of passenger transport service is improved.
In the application of the block chain technology, in the aspect of a safety risk control mode, the safe operation of a railway is the primary premise of healthy continuous development, and the safety control of a social system and a self system needs to be realized. The block chain technology is applied to the railway, firstly, the management of the railway safety is needed to be realized, and based on four major factors of people, machines, environment and management related to the railway safety production, a large historical and real-time rich database is used as a support, so that an innovative group prevention and control safety management system is achieved. In the aspect of logistics supply chain, the railway develops modern logistics, the development of multimodal transportation is promoted, the block chain technology needs to solve the problem of transaction trust among railway units, railway enterprises and social enterprises, so that a strong safety encryption technology is needed, and the confidentiality and flexibility of information need to be met when the information is transmitted, so that the transaction cost of the logistics supply chain can be reduced, and the logistics service quality and efficiency are improved. In the aspect of generating encrypted digital passenger tickets, along with the continuous improvement of railway informatization construction and the fusion and development of passenger service and information technology, the railway passenger tickets are developed towards electronization, and the safety problem involved in the development of the digital passenger tickets needs to be solved, so that the railway system is developed towards the intellectualization. Good encryption characteristics and scientificalness of ticket amount distribution and flow direction are needed to accelerate the development of a railway ticket system from a centralized mode to a center or a multi-center mode, improve the utilization efficiency of passenger transport resources, further guarantee the privacy of users, simplify links of ticket transaction, check and the like, and improve the automation and intelligence level of passenger transport service.
On the basis of the embodiment, the embodiment of the invention improves the railway information security in the aspects of a security risk control mode, a logistics supply chain and encrypted digital ticket generation by reasonably utilizing the block chain technology.
Further, based on the above embodiment, the optimizing of the traffic service before and after the passenger takes the train and the constructing of the traffic chain by using the sharing technology specifically includes: the Internet and the sharing economy are combined, so that the public can independently select a connection and trip mode of rail transit according to an acceptable price; by taking information symmetry as a core and supplying matching requirements, the track trip passenger and the shared vehicle owner travel are accurately matched, and the empty driving rate and the empty driving range are reduced; the whole monitoring of the track trip operation process is realized by means of big data; the increase rate of the number of private cars is controlled by checking the transportation resource stock of the living private cars and exchanging the taxi increment with the private car stock, so that a shared traffic mode that multiple persons jointly take one car and one car serves multiple passengers is formed, and the convenience of connection of the rail transit in the last kilometer is ensured by using shared traffic.
The development of 'shared railways' makes high-speed rail, intercity, highway, subway and public traffic systems strongly connected, and the public traffic chain is more comfortable and convenient to get out. Not only expands the economy, information and talent abdominal land in the area, but also better promotes the fusion and development of the area economy.
(1) By taking an economic law as a lever, the mode of 'Internet + sharing economy' determines a connection trip mode of the rail transit which can be independently selected by the public according to an acceptable price, and can fully exert market economic benefits;
(2) by taking information symmetry as a core, supplying matching requirements and accurately matching the track trip passengers with the travel of the shared vehicle owner, the empty driving rate and the empty driving range can be greatly reduced, and the invalid tail gas emission can be reduced; by means of big data, the full monitoring of the track trip operation process is realized, and the monitoring and the guarantee of the service quality are facilitated;
(3) the shared traffic mode is used for recording the running private car transportation capacity resource stock, exchanging the private car stock for the taxi increment, is favorable for controlling the number increase rate of the private cars, is favorable for a shared traffic mode that multiple persons jointly take one car and one car serves multiple passengers, and ensures the convenience of the rail transit in the last kilometer of connection by using the shared traffic.
On the basis of the embodiment, the embodiment of the invention optimizes the traffic service before and after passengers take trains and constructs the traffic chain by reasonably utilizing the sharing technology.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An intelligent train system implementation method is characterized by comprising the following steps:
applying an artificial intelligence technology to the design of intelligent trains, intelligent stations and intelligent lines;
utilizing big data technology to analyze customer behavior, equipment data and diagnose faults;
designing a simulation driving simulation system by using a virtual reality technology, carrying out virtual design, manufacturing, assembly and maintenance, and constructing an immersive virtual reality rail transit environment;
the technology of the Internet of things is applied to comprehensive information service, business hosting service, online control, data exchange, decision support, cloud computing and information security protection;
the automatic driving technology is utilized to realize automatic driving of the train, accurate parking of the train, linkage management of a vehicle door shield door, automatic turning back of the train, parking management of the station, jumping and stopping control of the station and buckling control of the station;
the block chain technology is utilized, and the safety of railway information is improved in the aspects of a safety risk control mode, a logistics supply chain and encrypted digital ticket generation;
and optimizing the traffic service before and after passengers take trains by utilizing a sharing technology, and constructing a traffic chain.
2. The method according to claim 1, wherein the application of the artificial intelligence technology to the design of the intelligent train, the intelligent station and the intelligent line specifically comprises:
in the aspect of intelligent trains, a rail transit system is developed through an artificial intelligence system, the technical integration and matching of vehicle-mounted sensing, automatic driving, Internet of vehicles and Internet of things are enhanced, and a traffic intelligent sensing system is developed; in the aspect of intelligent stations, intelligent monitoring and management of station equipment are realized by establishing an intelligent station operation sensing system based on deep learning illegal intrusion identification, people stream gathering and diffusion abnormity detection and environment monitoring and adjustment; in the aspect of intelligent circuits, a real-time monitoring and disaster early warning system is established, and automatic emergency disposal of intrusion events and sudden disasters is realized.
3. The intelligent train system implementation method of claim 1, wherein the customer behavior analysis, the equipment data analysis and the fault diagnosis are performed by using a big data technology, and specifically comprises:
the method provides a data decision basis for planning, construction and operation of the rail transit by deeply mining passenger flow distribution data, driving data and IC card data; by applying a big data platform and adopting a clustering and classifying algorithm, carrying out detailed analysis on the objects at the individual level, and refining travel characteristics, wherein the travel characteristics comprise migration, distribution and time; and discovering the change rule of population mobility through the analysis of big data;
comprehensively utilizing the running state, fault information and linkage control data of the equipment, constructing an energy consumption statistics and monitoring platform, and realizing analysis and display of energy consumption data;
and performing system fault diagnosis and safety monitoring by performing big data analysis on train operation data.
4. The method for implementing the intelligent train system according to claim 1, wherein the designing of the simulated driving simulation system, the virtual design, the manufacturing, the assembly and the maintenance, and the construction of the immersive virtual reality rail transit environment by using the virtual reality technology specifically comprise:
designing a simulation driving simulation system of a preset vehicle type including a rail inspection vehicle, and improving the performance and experience of the simulation driving simulation system through a virtual reality technology;
carrying out virtual design, manufacture, assembly and maintenance by using a virtual reality technology;
the immersive virtual reality rail transit environment is constructed, so that a user is personally on the scene, feels and accepts and naturally interacts in the virtual environment, and the immersive virtual reality rail transit environment is used for supporting rail transit comfort evaluation, experience and evaluation of a rail transit main body and an accessory facility, abnormal driving behavior experience, and driver psychological test and behavior analysis research.
5. The method for implementing the intelligent train system according to claim 1, wherein the applying internet of things technology to comprehensive information service, business hosting service, online control, data exchange, decision support, cloud computing and information security protection specifically comprises:
in the aspect of comprehensive information service, the information of the running condition of each train is collected and summarized by using the core technology of the Internet of things including a sensing technology and a communication technology, and information is issued and information inquiry service is provided;
in the aspect of service hosting service, related software and hardware services are intelligently provided aiming at various train information transmitted through the Internet of things, wherein the related software and hardware services comprise train scheduling scheme analysis, train running condition analysis and intelligent train control;
in the aspect of on-line control, relevant data of train operation is detected in real time, and a corresponding operation scheme, authentication and tracking service are provided for intelligent train operation;
in the aspect of data exchange, the information sharing of each system inside and outside the rail transit is realized;
in the aspect of decision support, data statistics is provided for train operation, a report is generated, then on the basis of data summarization analysis, a data mining technology and related software are used for analyzing an operation data source of rail transit, service data are analyzed and utilized, and meanwhile, a decision suggestion with guidance value on train operation is obtained according to different requirements of train operation;
in the aspect of cloud computing, a perfect cloud computing system is established to undertake the computing processing of partial functions with complex computing and insufficient local data, the processing result is transmitted to a local system, and then the corresponding function is realized locally;
in the aspect of information safety protection, a virtual local area network is constructed in a unified information transmission network to ensure effective isolation of safety information and non-safety information, and for transmission of information, a special safety communication protocol and a data encryption algorithm for a rail transit system are established and strictly controlled.
6. The method for implementing the intelligent train system according to claim 1, wherein the automatic driving technology is used for implementing automatic train driving, precise train parking, linkage management of a vehicle door screen door, automatic train turning back, station parking management, station jumping and parking control and station car buckling control, and specifically comprises the following steps:
in the aspect of automatic train driving, under the safety protection of an automatic train protection system, the automatic control of the traction, the cruise, the coasting and the braking of a train is completed according to an operation plan and a target speed curve, so that the automatic train driving is realized;
in the aspect of accurate parking of the train, according to the change of the speed, the preset braking rate, the distance and the parking point of the train, a braking curve is calculated, the running error of the train is corrected, meanwhile, the train follows the braking curve through the corresponding braking force, the precision of the parking point is ensured, and the alignment of a train door, a shield door and a safety door is realized;
in the aspect of linkage management of the vehicle door and the screen door, after the ATO is authorized by the ATP subsystem, a vehicle-driving door command is sent to the train, meanwhile, a door opening instruction of the screen door is sent through a vehicle-ground communication channel, and the screen door is released by a screen door management system; when a train is started, the train is allowed to start only after the train door and the shielding door are linked and closed; when the train is not stopped stably or is not stopped at a specified position, a signal for opening the train door is not allowed to be given;
in the aspect of automatic turning back of the train, under the protection of ATP, after the train reaches a turning back station, the automatic turning back operation of the train is realized, the turning back process of the train is automatically managed by the ATO, and the operation of exchanging a head train control end and a tail train control end is completed;
in the aspect of station parking management, the parking time is calculated according to the actual arrival time and the required departure time to assist the train to start at the right moment;
in the aspect of station jump stop control, a scheduling command is sent to a train through a scheduling system, one train, one group of trains or all trains skip a specific station or platform, and after the scheduling command is received, the train does not stop at the specific station or platform;
in the aspect of station car-buckling control, a train parked at the current station is buckled, and if the train cannot be buckled at the current station in the future, the train is buckled when the train enters the next station; after the train stops, the door of the train is kept open until the train is removed from the station and resumes running.
7. The intelligent train system implementation method according to claim 1, wherein the improving of the railway information security in terms of a security risk management and control manner, a logistics supply chain, and generation of encrypted digital tickets by using a blockchain technology specifically comprises:
in the aspect of safety risk control, a block chain technology is applied, and a safety management control system for group prevention and mass control is established based on the historical and real-time rich large database on the basis of four major factors of people, machines, environment and management related to railway safety production;
in the aspect of logistics supply chain, the block chain technology is utilized to solve the problem of transaction trust among railway units, railway enterprises and social enterprises, the flexibility is improved on the basis of ensuring the confidentiality, and the cost is reduced;
in the aspect of encrypted digital ticket generation, the encryption characteristic is improved, the scientificity of ticket amount distribution and flow direction is enhanced, the development of a railway ticket system from a centralized mode to a center or multiple centers is accelerated, the utilization efficiency of passenger transport resources is improved, the privacy of users is further guaranteed, the links of ticket transaction and check are simplified, and the automation and intelligentization level of passenger transport service is improved.
8. The method for implementing the intelligent train system according to claim 1, wherein the optimizing traffic services before and after passengers take trains by using a sharing technology to construct a traffic chain specifically comprises:
the Internet and the sharing economy are combined, so that the public can independently select a connection and trip mode of rail transit according to an acceptable price;
by taking information symmetry as a core and supplying matching requirements, the track trip passenger and the shared vehicle owner travel are accurately matched, and the empty driving rate and the empty driving range are reduced; the whole monitoring of the track trip operation process is realized by means of big data;
the increase rate of the number of private cars is controlled by checking the transportation resource stock of the living private cars and exchanging the taxi increment with the private car stock, so that a shared traffic mode that multiple persons jointly take one car and one car serves multiple passengers is formed, and the convenience of connection of the rail transit in the last kilometer is ensured by using shared traffic.
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