60 results about "Subway line" patented technology

The invention provides a dynamic decision-making method and system for store site selection based on geographic information, and relates to the technical field of geographic information system.The method comprises the steps that traffic data of main roads and subway lines of a target city and geographic image information of peripheral business districts of a to-be-analyzed area in the target city are obtained; processing the geographic image information to obtain a physical boundary range and business state distribution information of a peripheral business district, and calculating traffic reachability parameters in combination with traffic data; determining a preliminary candidate area in the physical boundary range, and obtaining a cooperative potential parameter according to the traffic reachability parameter; selecting a candidate store area position from the preliminary candidate area based on the traffic reachability parameter and the cooperative potential parameter; according to surrounding dynamic factors, the candidate store area positions are evaluated to determine the final store site selection, so that the accurate, intelligent and dynamic decision-making of the store site selection is realized, and the scientificity and the commercial success rate of the site selection are improved.

The invention relates to the technical field of deep foundation pit engineering construction, in particular to a first-supporting-and-second-supporting system construction method based on back pressure soil of a deep foundation pit of a temporary operating subway, and the method comprises the following steps: aiming at the construction problem of the deep foundation pit of the temporary operating subway, forming a collaborative supporting system by reserving a back pressure soil body, a supporting pile and a top beam; layered excavation is carried out by adopting a support-first and support-second process, and a next layer is excavated after support installation and prestress application are completed; deep foundation pit backfilling and steel support layered dismantling are executed step by step along with commercial main body structure construction; after the commercial main body reaches the preset stage, integrated construction including static cutting, rigid connecting component pre-embedding for settlement prevention and middle-embedded type water-stop belt waterproofing is conducted on the subway channel; and a real-time monitoring system is combined to ensure construction safety and subway structure stability. The method can effectively balance the stability of the deep foundation pit and metro protection requirements, improves the construction efficiency, solves the problems of settlement and leakage of construction joints, and is suitable for deep foundation pit engineering close to an operating metro.

The invention discloses a soft soil area newly-built box culvert short-distance crossing operation subway line construction method which comprises the steps that positioning paying-off and blocking are conducted in a construction area, and before a foundation pit is excavated, ballasting bags with the specific stacking weight and height are arranged in the center of a corresponding subway tunnel rail according to the linear meter; holes are formed in the uplift pile positioning positions on the two sides of the subway tunnel, a first section of pile casing is hoisted and pressed downwards till the first section of pile casing sinks, the perpendicularity is adjusted, a rotary drilling machine takes soil to enable the pile casing to sink, all sections of pile casings are sequentially inserted into the designated burial depth, a reinforcement cage is put down to pour concrete, the pile casings are pulled out after the strength reaches the standard, and a cushion layer is made; the uplift pile end reinforcing steel bars on the same side are connected through reinforcing steel bar nets to form an uplift beam net, box culvert bottom plate reinforcing steel bars are bound, and an uplift pile, uplift beam and box culvert bottom plate integrated structure is formed through formwork erecting and pouring. According to the technical scheme, disturbance of construction to the subway tunnel can be reduced, and operation safety is guaranteed.

This invention discloses a method for overlapping construction of waterproofing systems in existing subway lines. It relates to the field of underground engineering waterproofing construction technology and includes: Step 1, current status investigation and deformation assessment; Step 2, overlapping structure system design; Step 3, key material selection and process matching; Step 4, refined overlapping construction process; and Step 5, full inspection after each process. This invention's method for overlapping construction of waterproofing systems in existing subway lines, through Step 1, involves structural deformation monitoring and analysis and diagnosis of the existing waterproofing layer; Step 2, involves deformation adaptation structure design and differential deformation compensation design; Step 3, involves material selection and process innovation; Step 4, involves base treatment, interface treatment, expansion joint and node construction, and reinforcement layer construction; and Step 5, involves process inspection. This method, tailored to the characteristics of existing subway lines, enables the effective combination of different waterproofing materials, adapts to continuous deformation, and ensures long-term reliability.

The invention relates to the technical field of subway construction period emergency resource management, and particularly discloses a subway construction period emergency resource management and allocation method and system, and the method comprises the steps: building a line map of an existing subway line, carrying out the statistics of the resource types, number and coordinates of an emergency resource warehouse, building a resource map, setting the accident grade according to the accident type, and carrying out the emergency resource allocation. And determining the required resources under each grade, determining the required resources according to the accident type and grade when an emergency occurs, formulating an allocation scheme in combination with a resource map, and notifying management personnel of the emergency and the allocation scheme to realize rapid allocation of the resources. According to the invention, through presetting the emergency resource list and combining the real-time project progress, accurate matching is realized, emergency information is periodically updated to ensure accurate time efficiency, visual management is realized through a map, automatic monitoring and early warning linkage are realized to improve response sensitivity, so that emergency commanding and dispatching are more convenient, and emergency response efficiency is effectively improved.

1. Name of the product in this design: Graphical User Interface for Displaying Subway Station Location Information on Electronic Devices. 2. Purpose of this design: To display the location of subway lines and stations. 3. The key design features of this product are its graphical user interface. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Purpose of the graphical user interface: Used for human-computer interaction interfaces for subway lines and station locations. 6. Human-computer interaction method of graphical user interface: The main view is the start interface; click the icon of unchecking "map background" in the lower right corner of the main interface to enter the interface change state diagram 1. The interface change state diagram 1 is the map view by default, and a custom-drawn subway line map can be displayed on the tile map.

This application relates to the field of deep foundation pit construction technology, and particularly to a method for constructing deep foundation pits in a subway transfer node area. The transfer node area includes an enlarged section, a pipeline relocation section, and a main connecting section. A temporary partition is set on the side of the main connecting section to separate the transfer node area from the main section of the first subway line. The enlarged section adopts a concrete support system, while the pipeline relocation section and the main connecting section adopt a hybrid support system of concrete and steel supports. The deep foundation pit construction method includes: Step S1: Traffic diversion and pipeline relocation; Step S5: Foundation pit excavation and support: The foundation pit excavation and support adopts a combination of vertical layering and longitudinal segmentation. The longitudinal segmentation sequence is the enlarged section, the main connecting section, and the pipeline relocation section. When excavating and supporting the foundation pit of the pipeline relocation section, the temporary partition at the corresponding depth is removed simultaneously to avoid idle work and greatly shorten the overall construction time.

The invention provides a subway steel rail insulation degradation positioning method and device, computing equipment and a storage system.The subway steel rail insulation degradation positioning method comprises the steps that a simulation model is established based on a topological structure of a target subway line, and a training data set is established based on the established training data set; a first steel rail potential distribution model is generated, a first steel rail potential gradient characteristic quantity reflecting the insulation state is extracted, and an optimal steel rail insulation defect detection threshold value is determined through an optimization algorithm; on-site potential data is obtained, a second steel rail potential distribution model is constructed according to the on-site potential data, a second steel rail potential gradient characteristic quantity is extracted through multi-resolution spatial derivative analysis, the second steel rail potential gradient characteristic quantity is compared with the optimal detection threshold value, and a potential steel rail insulation defect section is identified; and performing time sequence frequency statistics on the position information of the potential steel rail insulation defect section, and determining the final high-confidence steel rail insulation degradation position. And automatic positioning and intelligent operation and maintenance of the insulation degradation area of the subway steel rail backflow type direct-current traction power supply system are realized.

A kind of soft soil layer deep foundation pit underground comprehensive pipe gallery supporting structure, including subway line area (1), it is characterized in that: one side of the subway line area (1) periphery is left piling area (2), the other side of subway line area (1) periphery is right piling area (3), located left concrete pile (4) and located right concrete pile (4) between along the spanning direction of underground comprehensive pipe gallery is erected with arc protective arch (6), two rows of support piles (13) are vertically fixed on arc protective arch (6) or cambered surface connecting component (8) and are arranged, located the same side support pile (13) between is provided with pipe gallery continuous wall (16) by concrete pouring, the present application has reasonable structure, arc protective arch is used as protective main structure, the load of structure, backfill soil and construction machine above subway line area is shared to the piling area outside bottom subway line area, the safety of subway line is guaranteed to the greatest extent.

This invention discloses a weak signal processing method for electromagnetic wave CT, solving the problem that electromagnetic wave attenuation leads to signal submersion in strong environmental noise when electromagnetic wave CT technology is used for long-span measurements or measurements in strata with high absorption coefficients. This enables the application of electromagnetic wave CT technology with borehole spacing exceeding 40m in strata with high absorption coefficients, reducing the number of boreholes along geological exploration routes by more than half, significantly reducing drilling costs and improving geological exploration efficiency. This invention has been tested in several confidential experiments on multiple subway lines, achieving good results. The application of this invention will have significant implications for improving the efficiency of urban underground space development and geological exploration in complex environments, as well as controlling construction costs.

This invention discloses a power utility tunnel spanning an operational subway line under conditions of ensuring smooth traffic flow and its construction method. The power utility tunnel includes: vertical shafts symmetrically arranged on both sides of a subway tunnel and an overpass box-shaped structure connecting the two vertical shafts; the overpass box-shaped structure spans across the subway tunnel and has a filling layer between it and the top slab of the subway tunnel; the overpass box-shaped structure is an integral reinforced concrete structure, with its two ends respectively connected to the vertical shafts on both sides; the cross-section of the overpass box-shaped structure is rectangular, and its width is greater than its height. In this invention, the overpass box-shaped structure is supported by the vertical shafts at both ends, relying on its own structural rigidity to resist possible uneven settlement, eliminating the need for temporary supports and foundation reinforcement above the subway tunnel, and reducing active disturbance to the subway structure from the source.

The invention discloses an intelligent command console adaptive adjustment system based on multi-source information fusion, which belongs to the technical field of rail transit dispatching command and comprises a rail transit data acquisition module, an external flow data acquisition module, a fuzzy association matching module and a large and small intersection adjustment control module. The rail transit data acquisition module is used for acquiring current rail transit subway data, including subway line station information, station travel interval, station driving time and large and small intersection station information, acquiring real-time subway pedestrian flow data and subway entering people number through a rail transit gate, and establishing a subway flow database; and the external flow acquisition module. According to the intelligent command console adaptive adjustment system based on multi-source information fusion, the configuration of large and small traffic vehicles is dynamically optimized by mining flow relevance data, and collaborative optimization of operation efficiency, service quality and cost control is realized.

The application discloses a metro line foreign matter intrusion identification method, which comprises the following steps: setting a trackside monitoring, positioning, calculating and communicating device along a metro track line, and setting an image detection device and a radar detection device on a metro car head for data collection; then, real-time visual field image in the collected data is identified and detected to obtain a visual field image feature detection result; real-time radar data is identified and monitored to obtain a current radar detection object position; according to a data synchronization frequency, the current radar detection object position after coordinate conversion and the visual field image feature detection result are fused in target position to obtain a vehicle-mounted intrusion detection result; the vehicle-mounted intrusion detection result is uploaded by using a metro vehicle-mounted communication device, combined with a trackside monitoring foreign matter intrusion result, and mapping alarm is performed on a metro track line simulation map.

The application provides a kind of city subway water disaster anomaly positioning and display system of fusion multi-source data, with such characteristics, including data acquisition module;Data storage module;Factor analysis module is used to analyze the main factors of waterlogging;Water disaster prediction module is used to construct input data according to the data corresponding to each main factor of waterlogging in characteristic data, and input water disaster prediction model, obtain water disaster prediction place and corresponding prediction severity;Waterlogging prediction module is used to calculate each water disaster prediction place according to the corresponding characteristic data, obtain the waterlogging prediction range and the predicted water depth of each area of the water disaster prediction place as the waterlogging prediction result;Result positioning module is used to calculate each subway station affected by water disaster as disaster site according to waterlogging prediction result and subway line map data;Display module.In short, the method can accurately predict urban waterlogging and mark and display disaster-affected subway stations.

The application discloses a matching method and device of a multi-system access platform and electronic equipment, and relates to the technical field of subway communication, wherein the matching method comprises the following steps: determining at least one target scene where a target subway line is located, wherein each scene is configured with a multi-system access platform of one type, the multi-system access platform is used for outputting radio frequency signals of a passenger information private network and operator signals to a leaky cable distribution system after the radio frequency signals and the operator signals are combined, each type of multi-system access platform is integrated with signal access ports and combined transmission of multiple frequency bands, and the frequency bands at least include working frequency bands of the passenger information private network and operator communication frequency bands; and based on the target scene, a target multi-system access platform corresponding to the target scene is obtained by matching the multi-system access platforms of multiple types. The application solves the technical problem in the related art that a multi-system access platform cannot be flexibly adapted to and compatible with differentiated frequency bands of a subway passenger information private network and full frequency bands of an operator according to a scene.

The embodiment of the present application provides a kind of identification method, positioning method, device and equipment of network access equipment.Method includes: obtaining the positioning log and collection log of terminal equipment, network positioning data are included in positioning log;Satellite positioning data are included in collection log;Based on positioning log, obtain the subway line data of terminal equipment and the subway station corresponding to subway line data;According to subway line data, positioning log and collection log, determine the network access equipment deployed in subway station.The technical scheme provided in this embodiment, by obtaining positioning log and collection log, based on positioning log, obtain the subway line data of terminal equipment and the subway station corresponding to subway line data;According to subway line data, positioning log and collection log, determine the network access equipment deployed in the subway station, effectively realize the effective identification of network access equipment, so as to facilitate positioning operation based on network access equipment.

This invention provides a safety structure and construction method for a lightweight roadbed built above a subway line, comprising: an auxiliary component perpendicular to the ground, with its lower end extending below the bottom of the subway tunnel structure and equidistantly distributed on both sides of the subway tunnel; a protective component parallel to the ground, located above the lining structure of the subway tunnel; and a support component for connecting the protective component and the auxiliary component; the protective component is lower than the upper end of the auxiliary component. By employing the protective component, settlement of the subsequently built roadbed is avoided, and the load is transferred to the lower end and outer perimeter of the subway tunnel through the vertical and inclined concrete columns in the protective component, reducing the load above and ensuring the safety of the subway operation. Furthermore, the support and auxiliary components facilitate protection during roadbed construction, improving construction safety.

The invention discloses a construction method of a subway track irregularity spectrum, and aims to solve the technical problem that an existing classical track spectrum model is difficult to accurately and universally describe actual irregularity characteristics of subway lines in China. Comprising the following steps: a) acquiring actually measured track irregularity data of at least one subway line; b) based on the actually measured track irregularity data, calculating to obtain a power spectral density spectral line, the power spectral density spectral line representing a change relation of a power spectral density value along with a spatial frequency; c) preprocessing the power spectral density spectral line, wherein the preprocessing comprises identifying and eliminating periodic spectral peaks caused by track geometrical characteristics; d) the preprocessed power spectral density spectral line is converted to a logarithm-logarithm coordinate system, the abscissa is the logarithm value of the spatial frequency, and the ordinate is the logarithm value of the power spectral density value; and e) under the logarithm-logarithm coordinate system, establishing an analytical expression of the track irregularity power spectrum density through quintic polynomial fitting.

The application discloses a subway line environment risk monitoring method based on a distributed optical fiber sensing device, which comprises the following steps: installing the distributed optical fiber sensing device on the inner wall of a subway tunnel in the axial direction, constructing a data acquisition network covering a monitoring area, collecting sensing signals along the tunnel in real time, and forming an original data matrix; performing data cleaning on the original data matrix, and extracting signal data samples caused by external risk sources; constructing an intelligent case library based on network interaction and machine learning, wherein the intelligent case library stores feature data samples of multiple risk source signals; matching and comparing the signal data samples with the feature data samples, and identifying the types of the risk sources; and spatially positioning the identified risk sources to obtain the position information of the risk sources. The application has the advantages that the human intrusion and environmental mutation conditions around the operating subway can be monitored in real time, the categories, generation positions, disaster risk degrees and other information of the risk sources can be provided in real time, and the subway safety risks can be timely blocked and prevented.

The invention discloses a new full-automatic running subway train debugging method and system.The method comprises routine tests, type tests and full-automatic running function debugging, the routine tests comprise static boundary tests, electrolyte strength tests and air control system tests, and the type tests comprise static mechanical tests and weighing tests. A working condition and comfort test, a high-low voltage adjustment test and an operation test are carried out. By integrating thirty-four full-automatic function special tests and establishing a scientific quality control and safety management and control mechanism, the debugging period is shortened to seven days, the train reliability and the driving safety coefficient are improved, repeated debugging and component disassembly and assembly are avoided by optimizing the process, the material cost is reduced by 8%, the secondary debugging risk is reduced, and the working efficiency is improved. High-risk processes are managed and controlled by specially-assigned persons, safety accidents are avoided, the process is standardized, operation is simple and easy to understand, a reusable debugging template is provided for domestic follow-up full-automatic running subway lines, and industrial standardized development is promoted.

This invention relates to the field of tunnel boring machine (TBM) construction technology, specifically disclosing a construction method for a TBM tunnel crossing an existing railway line in complex geological conditions, comprising the following steps: S1: Comprehensive inspection and maintenance of the TBM equipment, including inspection and targeted replacement of the cutters; S2: Based on the geological conditions of the crossing section, the burial depth of the existing railway line, and the clearance between the TBM section and the existing railway line, setting parameters for cutterhead rotation speed, soil chamber pressure, total thrust, tunneling speed, and excavated soil volume for different crossing sections to ensure stable soil chamber pressure and reduce pressure fluctuations; S3: Employing a combination of deep-hole grouting, synchronous grouting, secondary grouting, radial grouting of the shield body, and advanced grouting to fill the gaps in the TBM tunneling, reinforce the surrounding strata, and prevent ground subsidence and groundwater leakage; S4: Establishing a monitoring system combining automated monitoring and manual inspection to monitor surface subsidence, deformation of the existing railway line structure, and displacement of the tunnel structure in real time, and promptly feeding back monitoring data; S5: Activating corresponding emergency measures to address potential problems during construction such as subway line subsidence, screw conveyor blowout, and TBM attitude exceeding limits, ensuring the safety of construction and the existing railway line. This invention effectively controls the disturbance to existing lines during construction, reduces the construction risks caused by water-rich and complex strata, and ensures construction safety and project quality. It can be widely applied to similar shield tunneling projects in water-rich, deep, and complex strata that cross existing lines.

The invention relates to a metro timetable optimization method based on dual archiving and multi-strategy adaptive differential evolution, which comprises the following steps: an input layer models metro lines, interval lengths, stations and passenger flow input into an ordered metro timetable optimization model, and sets constraint conditions and objective functions; the input layer converts the subway timetable optimization model into a QUBO form, and generates a structured QUBO file; the optimization layer optimizes a structured QUBO file through generation of a candidate timetable, a hierarchical archiving mechanism, crossover operation, selection and update and a population scale adaptive strategy; and the output layer generates a global optimal timetable, generates a performance report and graphically displays a running diagram, an interval diagram and an energy consumption curve. Based on an advanced differential evolution optimization framework, a hierarchical memory structure and a parameter adaptive strategy are combined, and a traditional timetable generation process is systematically improved, so that high-precision and fast-convergence running chart optimization meeting multiple constraint conditions is realized.

This invention belongs to the field of power and discloses a method and device for evaluating the DC bias current of transformers in subway trains. The method includes: constructing a coupled simulation model of the subway line and the regional power grid; establishing a functional relationship between the train's operating position, speed, traction current, and time between two stations, and simulating the dynamic operating characteristics of a single train based on this functional relationship; simulating the dynamic operating conditions of multiple trains on the subway line based on the simulated single-train operating characteristics through time shifting and data overlay to generate dynamic operating characteristic curves containing the number, position, operating status, and traction current of trains; converting the train's travel distance into geographical coordinates based on linear interpolation and mapping methods, and outputting the traction current and coordinate information of all trains operating on the line at a specified time as multi-train dynamic operating data; inputting the multi-train dynamic operating data into the coupled simulation model to calculate and evaluate the DC bias current of the transformer in the regional power grid.

The application discloses a subway line stray current monitoring method based on an internet of things and a data mining technology, relates to the field of rail transit, and comprises a monitoring system which is composed of station test terminals, section yard throat area test terminals, in-warehouse test terminals, surrounding soil surface potential test terminals and buried metal structure test terminals which are arranged in different areas respectively. The application can perform big data mining on stray current related parameters by using a special algorithm through an internet of things cloud, can evaluate the severity of stray current of the whole line, can find line operation safety hidden dangers, can improve the safety level of line operation, can provide auxiliary decision for operation personnel, does not operate on existing primary equipment, does not additionally increase power distribution cabinet bodies, and integrates power supply modules, transmission modules, acquisition modules and high-precision voltage sensors in airtight small box bodies in the terminal, so that the terminal can be directly placed in an OVPD cabinet or a single guide cabinet, space and cost are saved.

The invention provides a signal professional intelligent analysis system and line side data interface verification method and device, and the method comprises the steps: obtaining subway line signal professional equipment data through a line side signal system, and transmitting structured data corresponding to the subway line signal professional equipment data to an interface server, the structured data is constructed based on the data type of the subway line signal professional equipment data and a preset interface data format corresponding to the data type; performing deserialization processing on the structured data in the interface server through a professional intelligent signal analysis system to obtain a Java data object after deserialization processing; and according to a preset verification rule, data verification processing is carried out on the Java data object after deserialization processing, and the preset verification rule comprises data format verification, data integrity verification and business logic verification. According to the invention, data quality and system efficiency are improved, and data pollution and resource waste are reduced.

The application provides a foundation pit asymmetric excavation method close to an operating subway line, comprising the following steps: S1, dividing the foundation pit into multiple construction areas along the extension direction of the operating subway line, each of the construction areas being perpendicular to the operating subway line and reserving a construction access; S2, regarding the area with a distance of 2 times the foundation pit depth from the enclosure structure as a reserved part, and excavating the part outside the reserved area; S3, sequentially excavating the reserved area along the foundation pit enclosure structure, and forming support for the foundation pit by applying a crown beam and a support beam along with the excavation progress; and S4, sequentially excavating the earthwork corresponding to the construction access from inside to outside. By adopting the asymmetric excavation sequence from the subway side close to the subway side far away from the subway, the disturbance of the excavation to the soil around the subway line is reduced, and the deformation of the foundation pit is effectively controlled by combining the layered and segmented excavation and timely application of the support structure, so that the safety and stability of the operating subway line are ensured.

The invention relates to the technical field of intelligent transportation, in particular to an urban travel cooperative control method based on a graph neural network and multiple agents. According to the method, firstly, a cooperative control model corresponding to each passenger is constructed and trained, decision-making actions corresponding to the passengers are generated based on a rail transit road network model in a heterogeneous graph form, and the decision-making actions are pull-in or waiting; all the cooperative control models share parameters; during application, passengers obtain the cooperative control model, and the cooperative control model generates decision-making actions of the passengers based on the rail transit road network model updated in real time. According to the invention, microscopic behavior modeling, station entering opportunity optimization and cooperative control are carried out on large-scale subway passenger groups so as to solve the problems of subway platform congestion, unbalanced utilization of train transport capacity, too long invalid waiting time of passengers and the like in peak hours, and the method is suitable for a passenger flow refined management and intelligent scheduling system of a subway line network level.

The invention discloses a steel rail material for a subway small-radius curve line, and the rail head area of the cross section of a steel rail is divided into three areas according to different microsizes of pearlite structures, namely a surface regulation and control layer, a rail angle hardening area and a core base body area. Aiming at more small-radius curves of the subway line at present, the microstructure of different stressed parts of the steel rail head is reasonably designed and arranged on the basis of the wheel-rail contact relation and stress distribution characteristics of the small-radius curve line, so that the steel rail material rail head is ensured to have the wear and the surface contact fatigue crack cooperative control, and meanwhile, the steel rail material rail head is ensured to have a good anti-fatigue effect. And the generation and development of internal fatigue cracks can be reduced. Meanwhile, gradient distribution and stable control of pearlite structures of different parts of the rail head of the steel rail are achieved by controlling rolling and conducting accelerated cooling at different speeds on the rail head, and generation and development of steel rail abrasion and rolling contact fatigue damage on a small-radius curve line are effectively relieved; the comprehensive use performance and the service life of the steel rail are improved.

The invention discloses an abnormal behavior monitoring system and method based on a subway network, and relates to the technical field of abnormal behavior data analysis, and the method comprises the steps: collecting multi-source data related to personnel behaviors in the subway network, and constructing behavior sequence data taking personnel as a main body; establishing a rationality baseline model used by the authority, and calculating an authority deviation index according to the deviation condition of the real-time authority operation relative to the rationality baseline; predicting a reasonable behavior trajectory range of the person in a preset time window, and calculating a trajectory deviation index according to the difference between the real-time trajectory and the predicted trajectory range; modeling the operation behavior sequence of the personnel in the continuous time window, and calculating an operation time sequence anomaly index; generating an abnormal behavior risk score; and comparing a preset risk threshold, and triggering a corresponding early warning before the abnormal behavior occurs. According to the invention, the false alarm rate is effectively reduced, and the accuracy and timeliness of abnormal behavior identification are improved.

This disclosure relates to a method, apparatus, equipment, and storage medium for optimizing train scheduling in a subway network. The method includes: acquiring subway network data within a specified time period, the network data including line information, train information, and passenger flow information; constructing an optimization model based on the network data, with the train departure intervals of each subway line in each direction of operation as the independent variable, the optimization model representing the total passenger waiting time consumed during the specified time period; and determining the target departure intervals of each train on each subway line in each direction of operation, based on pre-set constraints on the departure intervals, with the objective of minimizing the optimization model, the target departure intervals being used to formulate the train scheduling timetable for each subway line in each direction of operation within the specified time period. This enables overall optimization of train departure intervals in the subway network, thereby shortening passenger waiting times and improving subway operating efficiency.