A control centralized system and method for multi-vehicle mixed operation

Abstract

This invention discloses a centralized control system and method for mixed operations of multiple train types. These are corresponding solutions. In each solution: a newly added interface server can obtain the corresponding train set's operation plan from the scheduling system and the SMIS system, thereby automatically generating a shunting operation plan. This solves the problem of automatically generating shunting operation plans for both EMU and conventional passenger cars in mixed operation scenarios and enables automatic processing of shunting routes. Checking the type and quantity of cars stored on the destination track solves the problem that the track storage conditions checked during automatic route processing are not applicable to conventional passenger cars, thus meeting the needs of mixed operations of multiple train types. By setting coupling attributes to mark whether different train sets are coupled, and uniformly tracking and managing the location of coupled train sets, the problem that train position tracking and management functions are not applicable to multi-car coupling can be solved, meeting the needs of mixed operation scenarios of multiple train types.

Description

Technical Field

[0001] This invention relates to the field of railway control technology, and in particular to a centralized control system and method for mixed operations of multiple train types. Background Technology

[0002] EMU depots, also known as EMU maintenance depots, are important basic supporting facilities for high-speed railways. Their core business is the maintenance and upkeep of EMUs, and they are the source of ensuring the safe and punctual operation of high-speed railway EMUs.

[0003] In recent years, a large number of power-centralized EMUs have been put into use. However, the maintenance and repair of power-centralized EMUs (referred to as EMUs) are generally not carried out by building new EMU depots, but are mainly completed by upgrading existing conventional passenger train depots or incorporating them into the EMU depot's business. The phenomenon of mixed operations of multiple train types within EMU depots and passenger train depots is becoming increasingly common.

[0004] The following problems commonly exist in mixed operations involving multiple vehicle types: Question 1: In terms of planning and management, the operation organization and management of EMU (Electric Multiple Unit) trains, EMU branch lines, and conventional passenger trains are handled by different departments, using different dispatching systems to create work plans. The EMU train plan is created using the Power Centralized EMU Scheduling System (SSC), the EMU branch line plan is created using the EMU Management Information System (EMIS), and the conventional passenger train plan is created using the Railway Station Integrated Management Information System (SMIS). Information sharing among dispatchers of different train types is insufficient, work plans are separate, and collaborative analysis is lacking. Conflicts in track, throat, work line, and maintenance equipment occupancy are common. When conflicts are discovered during operations, there is a lack of effective channels to organize collaborative modifications among dispatchers, seriously affecting production organization and operational efficiency.

[0005] Question 2: In terms of signal control, the level of digitization and informatization of work plans varies among different vehicle types. When mixed operations are carried out, it is common for operators to manually handle the work by referring to paper plans. The execution results also rely on manual registration, resulting in low work efficiency and the risk of errors.

[0006] Question 3: Regarding train location tracking and positioning, the management and display methods for different train types' parking locations within the station vary, making it impossible to effectively summarize the data. Operators lack an understanding of the overall train storage situation within the station and need to repeatedly communicate and confirm the number of trains stored on each track and the driver's boarding location, resulting in low operational efficiency and certain potential risks.

[0007] In general, the root cause of the above three problems is the failure to integrate the operation plans of both high-speed and conventional passenger trains into a unified management and centralized control system. Therefore, planning requires manual management and maintenance, and operations require manual processing, making automatic control and automatic recording of execution results impossible.

[0008] The following section introduces relevant solutions in the existing technology, mainly involving the following two types of solutions: Option 1: Traditional EMU depots are equipped with a centralized control system (CCS), designed for distributed power EMUs (EDM trains). This system provides functions such as work plan management, EMU location tracking, and automatic route control, enabling integrated management and centralized control of EMU operations. For details of this system, please refer to Chinese invention patent CN105278379B, "A Centralized Control System for EMU Depots." However, due to the complex scenarios and special requirements of multi-car mixed operations, the CCS system currently cannot include the related operations of EMU trains and conventional passenger trains within its control scope, thus failing to achieve integrated management and centralized control in mixed EMU, EMU, and conventional passenger train operation scenarios.

[0009] Option 1 still suffers from the same three problems, as detailed below: (1) The CCS system does not have an interface with the scheduling system, so it cannot automatically obtain the work plan of the scheduling system, nor can it automatically arrange the shunting route of the moving set.

[0010] (2) The CCS system does not have an interface with the SMIS system, and cannot automatically obtain the work plan of the SMIS system, nor can it automatically arrange the shunting route of ordinary passenger cars.

[0011] (3) The CCS system does not have the ability to automatically generate shunting operation plans based on the work plans of the scheduling system or SMIS system.

[0012] (4) The CCS system does not have track parking control technology for mixed operations of multiple vehicle types.

[0013] (5) The CCS system does not support the location tracking and management of multi-vehicle trains, and cannot meet the needs of mixed operation scenarios of multiple vehicle types.

[0014] Option 2: The publicly published academic paper "Design and Implementation of the CTC System and SMIS Shunting Data Interaction Service Platform" by Wen Binbin, Zhou Tong, Luo Changjin, et al., *Railway Computer Applications*, 2024-01-25, proposes a scheme for interaction between the CTC system (centralized dispatching system) and SMIS in shunting planning. This scheme includes two stages: plan transmission and plan execution. In the plan transmission stage, this scheme relies on building an interaction service platform as a data relay, rather than directly establishing an interface between the CTC and SMIS. Furthermore, the interaction service platform depends on the railway bureau group company-level transportation information integration platform, achieving interaction through the addition of a series of network and data storage devices. This results in a complex structure, high implementation difficulty, and limited practical application. In the plan execution stage, the scheme only mentions that the CTC system can use shunting notifications to generate route sequences, without providing a specific generation method. Therefore, Option 2 still suffers from similar problems to Option 1.

[0015] In view of this, the present invention is hereby proposed. Summary of the Invention

[0016] The purpose of this invention is to provide a centralized control system and method for mixed operations of multiple vehicle types. In mixed operation scenarios of multiple vehicle types, it can automatically generate shunting operation plans to realize the automatic processing of shunting routes, and can perform parking condition checks when the routes are automatically processed, as well as implement unified location tracking and management for multiple vehicle couplings.

[0017] The objective of this invention is achieved through the following technical solution: A centralized control system for mixed operations of multiple vehicle types includes: an interface server, an operation plan acquisition module, a shunting operation plan generation module, a vehicle storage condition check module, and a vehicle tracking and positioning module; The interface server is used to establish communication connections between the system and the scheduling system and the SMIS system; the SMIS system is a comprehensive management information system for railway stations. The work plan acquisition module is used to obtain the work plan of the corresponding train set from the scheduling system and SMIS system based on the interface server; The shunting operation plan generation module is used to convert the operation plan of each car group into a description of the car group's movement process based on the plan generation rules customized for different car types, and generate a shunting operation plan that can be executed automatically. The car storage condition check module is used to check the type and quantity of cars to be stored for each shunting operation plan's destination track; if the car storage condition check is passed, the automatic control program of the shunting operation plan is executed. The vehicle tracking and positioning module is used to track and locate vehicles in shunting operation plans that execute automatic control programs. It sets coupling attributes to mark whether different car groups are coupled, and tracks and locates coupled car groups uniformly.

[0018] A centralized control method for mixed operations involving multiple vehicle types, based on the aforementioned system implementation, includes: The interface server enables communication between the centralized control system, the scheduling system, and the SMIS system. The work plan acquisition module obtains the work plan for the corresponding train set from the scheduling system and SMIS system through the interface server; The shunting operation plan generation module converts the operation plan of each train set into a description of the train set movement process based on the plan generation rules customized for different car types, and generates a shunting operation plan that can be executed automatically. The shunting operation plan uses a shunting condition check module to check the type and quantity of shunting cars for each destination track. If the shunting condition check passes, the automatic control program for the shunting operation plan is executed. The vehicle tracking and positioning module tracks and positions vehicles in the shunting operation plan that executes the automatic control program. It sets coupling attributes to mark whether different car groups are coupled, and tracks and positions coupled car groups uniformly.

[0019] As can be seen from the technical solution provided by the present invention above: Through the newly added interface server, the corresponding train set operation plan can be obtained from the scheduling system and the SMIS system, thereby automatically generating the shunting operation plan. This solves the problem of automatically generating shunting operation plans for both EMU and conventional passenger cars in mixed multi-car operation scenarios, and enables automatic processing of shunting routes for both EMU and conventional passenger cars. By checking the type and quantity of cars stored on the destination track, the problem that the track storage conditions checked by the system when automatically processing routes are not applicable to conventional passenger cars can be solved, thus meeting the needs of mixed multi-car operation. By setting coupling attributes to mark whether different train sets are coupled, and uniformly tracking and managing the location of coupled train sets, the problem that the train position tracking and management function is not applicable to multi-car coupling can be solved, thus realizing the location tracking and management function of multi-car coupled train sets and meeting the needs of mixed multi-car operation scenarios. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of a centralized control system for mixed operations of multiple vehicle types, provided as an embodiment of the present invention.

[0022] Figure 2 This is a schematic diagram of the overall architecture of a centralized control system for mixed operations of multiple vehicle types, provided as an embodiment of the present invention.

[0023] Figure 3 The flowchart of the interaction between the CCS system and the scheduling system of the present invention is provided for an embodiment of the present invention.

[0024] Figure 4 This is a schematic diagram of a structured SMIS shunting plan interaction protocol provided for an embodiment of the present invention.

[0025] Figure 5 The flowchart illustrating the interaction between the CCS system and the SMIS system of this invention is provided for an embodiment of this invention.

[0026] Figure 6 This is a schematic diagram of a multi-vehicle operation plan receiving interface provided in an embodiment of the present invention.

[0027] Figure 7 This is a flowchart of a method for automatically generating shunting operation plans for multiple vehicle types, provided in an embodiment of the present invention.

[0028] Figure 8 A flowchart for calculating shunting time provided in an embodiment of the present invention.

[0029] Figure 9 A flowchart for checking the parking conditions of the target track provided in an embodiment of the present invention. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0031] First, the following explanations are provided for the terms that may be used in this article:

[0032] The terms "comprising," "including," "containing," "having," or other similar semantic descriptions should be interpreted as non-exclusive inclusion. For example, including a technical feature element (such as raw material, component, ingredient, carrier, dosage form, material, size, part, component, mechanism, device, step, process, method, reaction conditions, processing conditions, parameter, algorithm, signal, data, product or article of manufacture, etc.) should be interpreted as including not only the expressly listed technical feature element, but also other technical feature elements that are not expressly listed and are well-known in the art.

[0033] The following is a detailed description of a centralized control system and method for mixed operations of multiple vehicle types provided by the present invention. Contents not described in detail in the embodiments of the present invention are prior art known to those skilled in the art. Where specific conditions are not specified in the embodiments of the present invention, they are performed according to conventional conditions in the art or conditions recommended by the manufacturer. Instruments used in the embodiments of the present invention whose manufacturers are not specified are all conventional products that can be purchased commercially.

[0034] Example 1 This invention provides a centralized control system for mixed operations involving multiple vehicle types, such as... Figure 1 As shown, it mainly includes: an interface server, a work plan acquisition module, a shunting work plan generation module, a vehicle storage condition check module, and a vehicle tracking and positioning module.

[0035] (1) Interface server, used to realize the communication connection between the centralized control system, the scheduling system and the SMIS system; the SMIS system is the railway station integrated management information system.

[0036] (2) The work plan acquisition module is used to obtain the work plan of the corresponding train group from the scheduling system and SMIS system based on the interface server.

[0037] (3) Shunting operation plan generation module, which is used to convert the operation plan of each car group into a description of the car group movement process based on the plan generation rules customized for different car types, and generate a shunting operation plan that can be executed automatically.

[0038] (4) The car storage condition check module is used to check the car storage type and quantity for the destination track of each shunting operation plan. If a shunting operation plan passes the car storage condition check, the automatic control program of the corresponding shunting operation plan can continue to be executed; if it fails the check, the automatic control program of the corresponding shunting operation plan will be terminated.

[0039] (5) Vehicle tracking and positioning module, used to track and locate vehicles in the shunting operation plan that executes automatic control program. It uses the setting of coupling attributes to mark whether different car groups are coupled, and tracks and locates coupled car groups in a unified manner.

[0040] In this embodiment of the invention, obtaining the corresponding train set's operation plan from the scheduling system and the SMIS system based on the interface server includes: obtaining the corresponding train set's operation plan from the scheduling system using a plan interaction mechanism that uses a database as the data transmission medium and drives data updates based on messages, based on the interface server; and obtaining the corresponding train set's operation plan from the SMIS system through a structured SMIS shunting plan interaction protocol and a serial port-based communication interaction mechanism, based on the interface server.

[0041] In this embodiment of the invention, the method of obtaining the corresponding trainset's work plan from the scheduling system using a database as the data transmission medium and a message-driven data update planning interaction mechanism includes: the scheduling system writes the maintenance plan of the power-centralized EMU issued by the maintenance dispatcher into the database and sends a message to the work plan acquisition module to retrieve the maintenance plan of the power-centralized EMU; after receiving the message, the work plan acquisition module retrieves and parses the maintenance plan of the power-centralized EMU from the database, and then reminds the user to sign for the parsed maintenance plan of the power-centralized EMU; after receiving the manual signature receipt from the user, it forwards it to the scheduling system; when the work plan acquisition module receives a resend request from the user, it retrieves the maintenance plan of the power-centralized EMU from the database; if the retrieval fails, it forwards the resend request to the power-centralized EMU maintenance dispatcher; wherein, the maintenance plan of the power-centralized EMU is the work plan of the corresponding trainset obtained from the scheduling system. During this process, if retrieving the maintenance plan from the database fails, the user will be prompted that "no new plan has been received". In actual use, the user will contact the dispatcher to confirm the sending status or ask the dispatcher to send it again.

[0042] In this embodiment of the invention, obtaining the corresponding train set's operation plan from the SMIS system through the structured SMIS shunting plan interaction protocol and the serial port-based communication interaction mechanism includes: after the SMIS system generates a shunting plan, it sends it to the operation plan acquisition module through the structured SMIS shunting plan interaction protocol; the operation plan acquisition module parses the structured SMIS shunting plan and sends an automatic signed receipt to the SMIS system; after parsing, it performs data validity verification and reminds the user to sign; after receiving the user's manual signed receipt, it forwards it to the SMIS system; wherein, the SMIS shunting plan is the operation plan for the corresponding train set obtained from the SMIS system.

[0043] In this embodiment of the invention, the step of converting the work plan into a description of the train set movement process based on the customized plan generation rules for different train types, and generating an automatically executable shunting operation plan, includes: constructing a customized rule layer to customize plan generation rules for different train types; for each train set's work plan, calling the corresponding customized plan generation rules to convert it into a description of the train set movement process, i.e., a position string of the train set displacement; passing the position string of the train set displacement to the general algorithm layer through a standardized interface layer, where the attributes of each position in the position string include the dwell position, and the entry time and departure time of the dwell position, wherein the entry time and departure time both have corresponding priorities; and constructing a shunting operation plan based on the attributes of two adjacent positions in the position string of the train set displacement through the general algorithm layer, where each shunting operation plan includes the following attributes: starting position, destination position, and shunting time.

[0044] In this embodiment of the invention, the general algorithm layer utilizes two adjacent positions P in the position string. N With P N+1 The attributes of the DC (Distribution Control System) are used to construct the shunting operation plan. N The process is as follows: ; ; ; in, DC indicates shunting operation plan N The starting position, take the Nth position P N Stop position , DC indicates shunting operation plan N Shunting time, Represents the Nth position P N departure time, Represents the (N+1)th position P N+1 The time of entry, DC indicates shunting operation plan N The target location is determined by selecting N+1 locations P. N+1 Stop position .

[0045] Shunting time It is calculated using the function F, as follows: If and If both are null (empty value), then the preset default time (DefaultTime) is used. The default time here can be set according to the actual situation; (2) If and If one of them is null and the other is not null, then take the time when the other is not null; (3) If and If none of them are null, then it is determined by their "priority" (P). N .Pri、P N+1 .Pri), which takes the time value with higher priority.

[0046] In this embodiment of the invention, the check of the parking type and number of vehicles for the destination track includes: Step A1: For the current shunting operation plan, determine whether there are any restrictions on the type of car to be stored on the destination track; if yes, proceed to step A2; if no, proceed to step A3.

[0047] Step A2: Check whether the type of car group corresponding to the current shunting operation plan matches the storage type of the destination track; if yes, proceed to step A3; if no, proceed to step A6.

[0048] Step A3: Determine if there are already cars parked on the target track; if yes, proceed to step A4; otherwise, proceed to step A5.

[0049] Step A4: Determine whether the parked train type is the same as the train type corresponding to the current shunting operation plan; if yes, proceed to step A5; if no, proceed to step A6.

[0050] Step A5: The parking conditions are met, and the inspection is passed.

[0051] Step A6: Parking conditions not met; inspection failed.

[0052] In this embodiment of the invention, the step of setting a coupling attribute to mark whether different train sets are coupled during vehicle tracking and positioning, and uniformly tracking and managing the location of coupled train sets, includes: canceling the existing multiple-unit coupling attribute and adding a coupling attribute to indicate the coupling relationship between train sets; both multiple-unit coupling of EMU trains and coupling of conventional trains are uniformly marked using the coupling attribute, and a uniform coupling direction is specified by default; when multiple train sets have a coupling attribute set, the train sets with the coupling attribute are uniformly tracked and managed for location; when it is necessary to separate the current train set from other train sets, the coupling attribute of the current train set is canceled.

[0053] In this embodiment of the invention, the system also includes an interface configuration module for configuring a unified plan receiving interface. The plan receiving interface includes: a received plan area, a newly received plan area, and a comparison result area. The received plan area displays complete received job plan information, the newly received plan area displays complete newly received job plan information, and the comparison result area displays the difference information between the received job plan information and the newly received job plan information, and different colors are used to mark different types of difference information.

[0054] The above-mentioned solutions provided by the embodiments of the present invention have the following main advantages: (1) An interface with the scheduling system has been implemented, which can automatically obtain the operation plan of the power-centralized EMU. In addition, a planning interaction mechanism with a database as the data transmission medium and message-driven data update is provided, realizing asynchronous communication and read-write separation, which is suitable for on-site EMU maintenance scheduling and the cooperation mode of train operation personnel.

[0055] (2) An interface with the SMIS system has been implemented, which can automatically obtain the operation plan of conventional passenger cars. In addition, a structured SMIS shunting plan interaction protocol is provided to meet the accuracy requirements of the signal control function for data.

[0056] (3) A unified data receiving interface was designed, which can reduce training and learning costs and improve user experience. The interface can intuitively display the differences between plan versions and has a good hierarchy. It has the ability to display across versions, display the whole page, display each vehicle / department, and display each checkpoint.

[0057] (4) An automatic shunting plan generation scheme for multiple vehicle types is provided. This scheme decouples rules from the generation process by adding a standardized interface layer, taking into account both the matching of rules with business operations and the universality of the plan generation algorithm. This scheme can customize plan generation rules for different vehicle types, keeping changes at the rule layer outside the algorithm layer. When the generation rules for a certain vehicle type are modified, it will not affect the plan generation logic of other vehicle groups, thus fully adapting to the scenario of mixed operations of multiple vehicle types.

[0058] (5) Based on the tracking and positioning technology, improvements have been made for business scenarios involving mixed operation of multiple train types. By designing the "coupling" attribute, it can be indicated that a train set is coupled with other train sets, which fully adapts to business scenarios of multiple-unit EMU trains and multiple-unit coupling of conventional trains.

[0059] To more clearly demonstrate the technical solution and its effects provided by the present invention, the system provided by the embodiments of the present invention will be described in detail below with reference to specific examples.

[0060] I. Overall Overview of the System Solution

[0061] The centralized control system for mixed operations of multiple vehicle types provided in this embodiment of the invention can also be referred to as the CCS system. It maintains the existing internal interaction protocol of the CCS system (the system provided in the aforementioned Scheme 1) unchanged, and encapsulates the changes in multi-vehicle operations as much as possible in the CCS interface layer and planning management layer, so as to reduce the impact on the CCS signal control layer and position tracking function, and ensure the stability and reliability of the overall function of the CCS system.

[0062] Based on this, the existing CCS system is expanded by adding interface servers (scheduling system interface server and SMIS interface server) to interface with the scheduling system and SMIS system, so as to obtain the operation plan of the corresponding train set, thereby realizing automatic generation of shunting operation plan, track parking control, and unified location tracking and management of coupled train sets.

[0063] II. Detailed introduction of the system solution.

[0064] 1. Overall system architecture.

[0065] As previously described, this embodiment of the invention implements interfaces with the scheduling system and the SMIS system through a newly added interface server. The interface with the scheduling system is connected via Ethernet and includes a network isolation device, while the interface with the SMIS system is connected via serial port, eliminating the need for additional network isolation devices. Figure 2 The diagram illustrates the overall architecture of the centralized control system for mixed operations of multiple vehicle types provided by this invention. The existing structure and external interfaces shown on the left, as well as the equipment involved, are all referenced in the prior art and will not be elaborated upon here. Furthermore, in practical applications, the aforementioned… Figure 1 The operation plan acquisition module, shunting operation plan generation module, vehicle storage condition check module, and vehicle tracking and positioning module involved can all be configured in the existing structure and can be flexibly configured. This invention does not impose any specific limitations.

[0066] 2. Inter-system interaction schemes.

[0067] (1) The plan interaction scheme with the scheduling system.

[0068] The maintenance plan for centralized power EMUs is complex and involves a large amount of data. This invention designs a planning interaction mechanism that uses a database as the data transmission medium and messages to drive data updates, thereby enabling interaction between the CCS (Continuous Control System) and the scheduling system. Figure 3 The diagram shows the interaction flowchart. The CCS in the diagram is the centralized control system for mixed operations of multiple vehicle types provided by this invention. In the specific interaction process, the module for obtaining the work plan in the system is involved here.

[0069] This interactive mechanism, based on asynchronous communication and read-write separation, improves the reliability of large-scale data exchange and reduces data impact caused by frequent modifications to maintenance plans. Furthermore, since the maintenance scheduling business is quite busy and not a 24-hour on-call system, the asynchronous communication mechanism using the database as an intermediary decouples the business operations of maintenance schedulers and on-duty personnel. In the event of message loss or parsing failure, on-duty personnel can unilaterally retrieve the data, better meeting the actual application needs on site. In addition, this mechanism has good scalability and compatibility; interactive information can be added by expanding database fields, and asynchronous upgrades of both systems are supported, laying a solid foundation for widespread application.

[0070] (2) The plan interaction scheme with the SMIS system.

[0071] Existing SMIS systems typically send shunting plans externally via character streams, directly transmitting the text shunting plan to the external system through a serial port. The advantage of this mechanism is its simple interaction protocol; the interface system can directly print the shunting plan for operators after receiving the data, meeting actual business needs. However, after receiving the SMIS plan, the CCS system needs to arrange shunting routes and perform signal control according to the plan. The existing text protocol of SMIS is insufficient to meet the precise control requirements of CCS.

[0072] Therefore, this invention provides a structured SMIS shunting plan interaction protocol, which, after receiving the SMIS shunting plan from the SMIS dispatcher, converts the data to obtain a structured SMIS shunting plan. For example... Figure 4 As shown, the structured SMIS shunting plan mainly includes: (1) information of the entire SMIS shunting plan, including: source ID (identifier), issuance time, plan quantity, preparation time, etc.; (2) information of each shunting locomotive hooking plan, including: hooking plan ID, plan number, shunting locomotive number, work item, start time, end time, train number, section chief's name, etc.; (3) information of each hooking plan, including: hooking sequence, track code, first and last identifier, trailer swapping identifier, number of vehicles, etc. At the same time, a serial port-based communication interaction mechanism is also provided, such as... Figure 5 As shown, similarly, in the specific interaction process, this involves the job plan acquisition module in the system.

[0073] Based on the structured SMIS shunting plan interaction protocol and the serial port-based communication interaction mechanism, the operation plan in the SMIS system can be automatically obtained, meeting the accuracy requirements of the signal control function for data.

[0074] 3. Unified interface design.

[0075] In this embodiment of the invention, a unified plan receiving interface is designed in the CCS system for work plans from different vehicle type dispatch sources, such as... Figure 6 As shown.

[0076] The interface displays the complete plan information in the "Received Plans" and "Newly Received Plans" sections, while the "Comparison Results" section shows the differences between the old and new plans (received and newly received plans). Added, deleted, modified, and duplicated plan rows are marked with different colors (different colors are used to mark different types of differences), and the specific modified fields are highlighted in bold, allowing users to intuitively see the changes between the old and new plans and quickly understand the dispatcher's intention to modify the plans. Simultaneously, modified data is displayed at the bottom for easy verification by shift workers and dispatchers. Figure 6 The document provides a small sample of the plan information, and the comparison results area also uses different colors to mark the modified fields.

[0077] This interface features a well-structured hierarchy, supporting cross-version display, full-page display, vehicle / dispatch machine display, and checklist display. Furthermore, the interface presents plans from different vehicle dispatch sources in a unified style, reducing training and learning costs and enhancing user experience.

[0078] 4. Automatic generation scheme for shunting operation plans of multiple vehicle types.

[0079] To achieve automated shunting operations based on CCS, this invention designs an automatic shunting operation plan generation algorithm for mixed operations involving multiple car types. By identifying the maintenance and operational intentions in the shunting needs of various car types, eliminating information irrelevant to shunting, constructing shunting schemes, and automatically generating shunting operation plans that can be automatically executed by CCS.

[0080] Common methods for automatically generating shunting operation plans mainly include rule-based methods and artificial intelligence (AI)-based methods. Rule-based methods often have good matching accuracy, but their general applicability is not ideal. The closer the rules are to the business characteristics and the more refined the rules are, the greater the impact on general applicability. AI-based methods generally solve for the optimal strategy by building a problem model, theoretically possessing good general applicability, but relying on a large amount of data accumulation. In the early stages of equipment operation, without accumulating massive amounts of data, they cannot be effectively applied. Furthermore, regular adjustments to railway timetables and corresponding business adjustments can cause sudden and significant fluctuations in business data, impacting the accuracy of intelligent algorithms.

[0081] Therefore, the present invention provides a rule-based plan generation method, such as... Figure 7As shown, this method decouples the logic of customized rules from the plan generation algorithm. By adding a standardized interface layer, it achieves decoupling of rules and generation, balancing the compatibility of rules with business logic and the versatility of the plan generation algorithm. This method is fully adaptable to scenarios involving mixed operations of multiple vehicle types. It allows for customized plan generation rules for different vehicle types, keeping changes at the rule layer outside the algorithm layer. Modifying the generation rules for a specific vehicle type will not affect the plan generation logic of other vehicle groups.

[0082] At the rule customization layer, this method transforms the operation plans for each car type into descriptions of the car group's movement process, i.e., a sequence of car group displacements. This method can adapt to the characteristics of different car type plans, filter out information irrelevant to shunting, and accurately identify key locations in the car group's operation path. Furthermore, it can supplement necessary transfer points at key shunting locations as needed, based on the characteristics of different station layouts.

[0083] Specifically, the standardized interface layer describes the movement process of the trainset through a position string structure. The Nth position during the trainset's movement is denoted as P. N PN contains three attributes: the time the train enters PN (Time_In), the time of departure (Time_Out), and the position (Pos). The entry and departure times have a "Priority (Pri)" attribute; the position includes information such as the depot number, track ID, and train position. These are all common terms in the field and will not be elaborated upon. The priority here can be set by the user according to the specific business characteristics of each station, and this invention does not impose any restrictions.

[0084] Combining two adjacent positions (P) in the position string N P N+1 The properties of ) can be used to construct a shunting operation plan (DC). N The shunting operation plan includes three attributes: start position (StartPos), destination position (EndPos), and shunting time (Time).

[0085] In this embodiment of the invention, the standardized interface layer transmits the location string information to the general algorithm layer to construct a shunting operation plan and determine the three attributes in the shunting operation plan. The specific algorithm is as follows: ; ; ; in, DC indicates shunting operation plan N The starting position, take the Nth position P N The location of the stop, DC indicates shunting operation plan N Shunting time, For the Nth position P N departure time, For the (N+1)th position P N+1 The entry time is calculated using the function F. DC indicates shunting operation plan N The target location is determined by selecting N+1 locations P. N+1 The location where it stops.

[0086] like Figure 8 As shown, shunting time is provided. The calculation method (i.e., the function F in the above formula) includes: (1) if and If both are null, then the default time (DefaultTime) will be used. The default time can be set according to the actual situation. For example, the current operating system time can be obtained as the default time; (2) If and If one of them is null and the other is not null, then take the time value of the non-null one; (3) if and If none of them are null, then according to priority P N .Pri ( (priority), P N+1 .Pri ( (Priority), take the time value with the highest priority.

[0087] 5. Methods for checking the parking conditions of tracks for multi-vehicle operations.

[0088] When the CCS automatically issues route instructions, the constraints it checks include: signal conditions, overhead contact line conditions, faulty branching conditions, track parking conditions, and train set information consistency conditions. In mixed operation scenarios involving multiple train types, the parking conditions for the destination track should be refined.

[0089] First, the inspection of track parking types will be increased, and a combined inspection method of dynamic parking conditions and fixed parking conditions will be implemented, such as... Figure 9 As shown. When the parking condition check is passed (i.e., the parking condition is met), the subsequent automatic control program can be executed; otherwise (i.e., the parking condition is not met), the subsequent automatic control program is terminated.

[0090] Based on this, the number of cars stored on different tracks can be checked. For trains with multiple-unit or multiple-unit configurations, long tracks can accommodate long train sets or multiple-unit train sets. On tracks with separating signals, one short train set can be parked on each side of the signal. For tracks storing conventional passenger trains, the number of cars parked can be controlled according to the station's regulations. When arranging train routes, the destination track must not be occupied by any cars.

[0091] 6. A vehicle tracking and positioning solution suitable for mixed operations involving multiple vehicle types.

[0092] The existing tracking and positioning technology of CCS can support three types of vehicle formations: 16 / 17-car equal-length formations, 8 / 9-car equal-short formations, and 8+8 two short formations coupled together, which can cover the formation types of motorized buses. However, for tracking and positioning of conventional passenger buses, it is necessary to expand the basic vehicle types of CCS and support multi-car coupling formations.

[0093] This invention, based on existing CCS tracking and positioning technology, abolishes the existing "coupled" attribute in the CCS vehicle data and adds a "coupled" attribute to indicate that a trainset is coupled to other trainsets. Both multiple-unit trainsets and coupling of conventional trains use this attribute for marking, and the system defaults to a unified coupling direction. For example, if four trainsets (A, B, C, and D) are coupled, the system defaults to right-hand coupling. Therefore, setting the "coupled" attribute for each trainset (A, B, C, and D) allows the system to track and manage the position of all four trainsets uniformly. To separate trainset A from trainsets B, C, and D, the "coupled" attribute for trainset A is simply cleared.

[0094] For the maintenance and management of existing vehicles, CCS provides two forms: a station map and a vehicle information window, both using the "+" symbol to indicate the coupling attributes.

[0095] In practical applications, all shunting operation plans (including those where storage conditions are met and those where they are not) require vehicle tracking and positioning. However, during automated control, only shunting operation plans where storage conditions are met will continue to execute subsequent automatic control programs. Therefore, this part will automatically perform vehicle tracking and positioning. For shunting operation plans where storage conditions are not met, although they cannot be completed automatically, the relevant checks can be skipped by manually operating the "execute immediately" command, similar to a semi-automatic method, thus achieving vehicle tracking and positioning.

[0096] Those skilled in the art will understand that, for the sake of convenience and brevity, the above-described division of functional modules is used as an example. In practical applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the system can be divided into different functional modules to complete all or part of the functions described above.

[0097] Example 2 This invention also provides a centralized control method for mixed operations involving multiple vehicle types, which is based on the system provided in the foregoing embodiments. This method mainly includes: The system establishes communication connections with the scheduling system and the SMIS system through an interface server. The work plan acquisition module obtains the work plan for the corresponding train set from the scheduling system and SMIS system through the interface server; The shunting operation plan generation module converts the obtained operation plans of each train set into a description of the train set movement process based on the plan generation rules customized for different car types, and generates a shunting operation plan that can be executed automatically. The shunting operation plan uses a shunting condition check module to check the type and quantity of shunting cars for each destination track. If the shunting condition check passes, the automatic control program for the shunting operation plan is executed. The vehicle tracking and positioning module tracks and positions vehicles in the shunting operation plan that executes the automatic control program. It sets coupling attributes to mark whether different car groups are coupled, and tracks and positions coupled car groups uniformly.

[0098] Since the main technical details involved in each step of the method have been described in detail in the previous embodiments, they will not be repeated here.

[0099] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims. The information disclosed in the background section is intended only to enhance the understanding of the overall background technology of the present invention and should not be construed as an admission or implication in any way that such information constitutes prior art known to those skilled in the art.

Claims

1. A control centralized system for mixed operation of multiple vehicle types, characterized by, include: The system includes an interface server, a work plan acquisition module, a shunting work plan generation module, a vehicle storage condition check module, and a vehicle tracking and positioning module. The interface server is used to establish communication connections between the centralized control system, the scheduling system, and the SMIS system; the SMIS system is a comprehensive management information system for railway stations. The work plan acquisition module is used to obtain the work plan of the corresponding train set from the scheduling system and SMIS system based on the interface server; The shunting operation plan generation module is used to convert the operation plan of each car group into a description of the car group's movement process based on the plan generation rules customized for different car types, and generate a shunting operation plan that can be executed automatically. The car storage condition check module is used to check the type and quantity of cars to be stored for each shunting operation plan's destination track; if the car storage condition check is passed, the automatic control program of the shunting operation plan is executed. The vehicle tracking and positioning module is used to track and locate vehicles in shunting operation plans that execute automatic control programs. It sets coupling attributes to mark whether different car groups are coupled, and tracks and locates coupled car groups uniformly.

2. The control centralized system for mixed operation of multiple types of vehicles according to claim 1, characterized by, The process of obtaining the corresponding train set's work plan from the scheduling system and SMIS system via the interface server includes: Based on the interface server, the operation plan of the corresponding train set is obtained from the scheduling system by adopting a planning interaction mechanism that uses the database as the data transmission medium and drives data updates through messages. Based on the interface server, the operation plan of the corresponding train set is obtained from the SMIS system through the structured SMIS shunting plan interaction protocol and the serial port-based communication interaction mechanism.

3. The control centralized system for mixed operation of multiple types of vehicles according to claim 2, characterized by, The method of obtaining the corresponding train set's work plan from the scheduling system using a database as the data transmission medium and a message-driven data update planning interaction mechanism includes: The scheduling system writes the maintenance plans of the power-centralized EMUs issued by the maintenance dispatcher into the database and sends a message to the work plan acquisition module to retrieve the maintenance plans of the power-centralized EMUs. After receiving the message, the work plan acquisition module extracts and parses the maintenance plan of the power-centralized EMU from the database. Then, it reminds the user to sign for the parsed maintenance plan of the power-centralized EMU. After receiving the manual signature receipt from the user, it forwards it to the scheduling system. When the work plan acquisition module receives a resend request from the user, it retrieves the maintenance plan for the power-centralized EMU from the database; if the retrieval fails, it forwards the resend request to the power-centralized EMU maintenance dispatcher. The maintenance plan for the power-centralized EMU is the work plan for the corresponding EMU obtained from the scheduling system.

4. The control centralized system for mixed operation of multiple types of vehicles according to claim 2, characterized by, The process of obtaining the corresponding train set's operation plan from the SMIS system through a structured SMIS shunting plan interaction protocol and a serial port-based communication interaction mechanism includes: After the SMIS system generates the SMIS shunting plan, it sends it to the work plan acquisition module through a structured SMIS shunting plan interaction protocol. The work plan acquisition module parses the structured SMIS shunting plan and sends an automatic signed receipt to the SMIS system; after parsing, it performs data validity verification and reminds the user to sign for receipt; after receiving the user's manual signed receipt, it forwards it to the SMIS system. Among them, the SMIS shunting plan is the operation plan for the corresponding train set obtained from the SMIS system.

5. The control centralized system for mixed operation of multiple types of vehicles according to claim 1, characterized by, The process of generating shunting operation plans based on customized planning rules for different vehicle types, converting the operation plans of each train crew into descriptions of the train crew's movement process, and generating automatically executable shunting operation plans includes: A customized rule layer is constructed to generate plans for different vehicle types. For the operation plan of each vehicle group, the corresponding customized plan generation rules are called to transform it into a description of the vehicle group's movement process, i.e., the position string of the vehicle group's displacement. The position string of train displacement is passed to the general algorithm layer through the standardized interface layer. The attributes of each position in the position string include the dwell position, as well as the entry time and departure time of the dwell position. The entry time and departure time have corresponding priorities. The general algorithm layer constructs a shunting operation plan based on the attributes of two adjacent positions in the position string of train displacement. Each shunting operation plan includes the following attributes: starting position, destination position, and shunting time.

6. The control centralized system for mixed operation of multiple vehicle types according to claim 5, wherein The general algorithm layer uses the attributes of two adjacent positions P N and P N+1 in the position string to construct a shunting operation plan DC N , the process being as follows: ； ； ； wherein denotes the starting position of the shunting operation plan DC N , takes the Nth position P N , the stop position , denotes the shunting time of the shunting operation plan DC N , denotes the departure time of the Nth position P N , denotes the entry time of the N+1th position P N+1 , denotes the destination position of the shunting operation plan DC N , takes the N+1th position P N+1 , the stop position ; Time of the train The time is calculated by function F in the following way: if and are both null, the default time is taken; if and are one null and the other not, the time of the not null is taken; if and are both not null, the time of the highest priority is taken.

7. A centralized control system for mixed operation of multiple vehicle types according to claim 1, characterized in that, The check of the type and quantity of cars to be stored on the destination track for each shunting operation plan includes: Step A1: For the current shunting operation plan, determine whether there are any restrictions on the type of car to be stored on the destination track; if yes, proceed to step A2; if no, proceed to step A3. Step A2: Check whether the type of car group corresponding to the current shunting operation plan matches the storage type of the destination track; if yes, proceed to step A3; if no, proceed to step A6. Step A3: Determine if there are already cars parked in the target lane; if yes, proceed to step A4; otherwise, proceed to step A5. Step A4: Determine whether the parked train type is the same as the train type corresponding to the current shunting operation plan; if yes, proceed to step A5; if no, proceed to step A6. Step A5: The parking conditions are met, and the inspection is passed; Step A6: Parking conditions not met; inspection failed.

8. A centralized control system for mixed operations of multiple vehicle types according to claim 1, characterized in that, The method of marking whether different train sets are coupled by setting coupling attributes, and uniformly tracking and locating coupled train sets, includes: The existing multiple-unit attribute is removed, and a coupling attribute is added to represent the coupling relationship between train sets; The coupling of multiple EMU train sets and the coupling of conventional train sets are all marked using the coupling attribute, and the coupling direction is specified by default. When multiple train sets are coupled, the train sets with the coupling attribute are tracked and located in a unified manner. When it is necessary to separate the current train set from other train sets, the coupling attribute of the current train set is canceled.

9. A centralized control system for mixed operation of multiple vehicle types according to any one of claims 1 to 8, characterized in that, Also includes: The interface configuration module is used to configure a unified plan receiving interface, which includes: a received plan area, a newly received plan area, and a comparison result area. The received plan area displays complete received work plan information, the newly received plan area displays complete newly received work plan information, and the comparison result area displays the difference information between the received work plan information and the newly received work plan information, and different colors are used to mark different types of difference information.

10. A centralized control method for mixed operations involving multiple vehicle types, characterized in that, This method is implemented based on the system described in any one of claims 1 to 9, and includes: The system establishes communication connections with the scheduling system and the SMIS system through an interface server. The work plan acquisition module obtains the work plan for the corresponding train set from the scheduling system and SMIS system through the interface server; The shunting operation plan generation module converts the operation plan of each train set into a description of the train set movement process based on the plan generation rules customized for different car types, and generates a shunting operation plan that can be executed automatically. The shunting operation plan uses a shunting condition check module to check the type and quantity of shunting cars for each destination track. If the shunting condition check passes, the automatic control program for the shunting operation plan is executed. The vehicle tracking and positioning module tracks and positions vehicles in the shunting operation plan that executes the automatic control program. It sets coupling attributes to mark whether different car groups are coupled, and tracks and positions coupled car groups uniformly.

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