428 results about "Train" patented technology

The invention relates to the technical field of data processing, and provides a train dynamic scheduling method and a resource allocation system, through real-time acquisition and processing of heterogeneous data, generation of train priorities, and generation and verification execution of a scheduling scheme, fine management of a whole train scheduling process is realized, all steps cooperate with one another and are progressive layer by layer, and the scheduling efficiency is improved. Various complex factors in the train running process can be comprehensively considered, the limitation that a traditional dispatching mode depends on experience or a single index is changed, the scientificity, accuracy and timeliness of train dispatching decisions are remarkably improved, resources can be dynamically and efficiently allocated, train running arrangement can be optimized, and the train dispatching efficiency is improved. The transportation efficiency and the service quality are improved, and the ever-increasing diversified requirements of modern railway transportation are effectively met.

The invention discloses a train positioning method and system. The method comprises the steps that when a train drives into an inactive area, first positioning information of the train is determined according to an ultra-wideband signal of the train; mapping the first positioning information of the train to a station map, and determining track section occupation information of the train; when the train drives into an activation area, acquiring point cloud data detected by the train in real time; according to the point cloud data and the station yard map, determining second positioning information of identification equipment of the activation area; and according to the second positioning information, carrying out intrusion detection on the train to obtain a train intrusion result. According to the embodiment of the invention, the accuracy of train positioning can be improved.

An electronic train device suitable of use on a railway vehicle includes a radio module configured, through operation of at least one processor, to support and monitor a plurality of communication channels for messages transmitted between multiple electronic train devices on multiple railway vehicles, and to repeat and / or route a transmitted message using a channel of the plurality of communication channels to provide reliable communication between the multiple electronic train devices.

The invention relates to the technical field of railway communication, and provides a train message information transmission method and system, and the method comprises the steps: constructing an electronic map, and storing the ID, type and position information of each transponder on a railway; when the train is powered on for the first time, the initial position of the train is obtained, transponder IDs on the two sides of the train are determined in the electronic map according to the initial position, the ID of the next transponder is selected according to the running direction of the train, and the type of the transponder is obtained; when the train runs, the ID of the passing transponder is recorded in real time, and the type of the next transponder is predicted according to the ID of the recently passing transponder; and adjusting a receiving mode of a train transponder receiving module according to the predicted transponder type, and adaptively receiving message information sent by the next transponder. According to the invention, the train control system does not need to add sidelobe management and transponder suppression functions, and can meet the communication requirements of two transponders.

The invention relates to the field of heavy-load train safety, and discloses a heavy-load train control safety evaluation method and system and electronic equipment. The method comprises the following steps: collecting monitoring data of the heavy-load train, wherein the monitoring data comprises slow change data and time sequence data; performing flexible section division on the operation line based on line features, and performing feature extraction on data acquired by each flexible section unit to obtain a total feature set corresponding to each unit; constructing a feature relationship multi-graph for representing the relationship between the features based on the correlation analysis result of the total feature set; analyzing the feature relationship multi-graph to obtain an optimal feature set of each flexible section unit; and on the basis of the optimal feature set of each flexible section unit, abnormal monitoring is performed on the operation state through a preset context sensing model, and operation safety is evaluated according to a monitoring result. The system construction and maintenance cost is reduced, analysts can be supported to carry out deeper insight, and the intelligent degree of multi-dimensional monitoring data analysis is improved.

The invention discloses a railway train operation scheduling method based on autonomous coordination. The method comprises the following steps: inputting a train operation plan and emergency information; establishing a scheduling sub-group, and determining key information related to the group; establishing a scheduling agent group distributed optimization model; designing an intelligent agent distributed collaboration method; and a train operation plan in the jurisdiction range of the whole dispatching center is formed. According to the method, scheduling sub-groups corresponding to different stations are established according to emergency interference conditions, a scheduling agent group optimization model is established, cooperative solution of train receiving and departure operations of different stations in the groups is realized through an agent distributed cooperation method, and a whole operation adjustment scheme is obtained through combination. According to the method, a large-scale optimization problem is decomposed into a plurality of small-scale sub-problems to be dispersedly solved, so that the solving efficiency can be effectively improved.

The invention relates to the technical field of rail transit, in particular to a heavy haul railway group simulation system, method and device and a medium. The method comprises the following steps: deploying a plurality of sensors on site to collect train, track or signal data in real time, and cleaning and fusing the collected data to obtain preprocessed data; based on the preprocessed data, constructing digital twin models of the heavy haul railway system by adopting a three-dimensional modeling technology, and establishing an association relationship and an interaction mechanism between the digital twin models; performing real-time calculation and simulation on the digital twin model through numerical calculation and dynamic simulation; displaying the digital twin model by adopting an interactive interface of a virtual reality (VR), augmented reality (AR) technology or a naked eye 3D technology, and performing interactive operation with the digital twin model through the interactive interface; and comparing and analyzing a simulation result with actual operation data, verifying the accuracy and reliability of the digital twinborn model by calculating errors, and adjusting and optimizing the model according to a verification result.

Provided in the present application are a train section occupancy detection method and a related apparatus, which are applied to a ground control server. The method comprises: receiving an identifier set from target wireless access points; on the basis of determination that first identification information and second identification information pass consistency voting, adopting a target logical section corresponding to the first identification information and the second identification information, thus determining the section, which is occupied by a train indicated by third identification information, as the target logical section. Therefore, the accuracy of train occupancy detection is improved, safe driving requirements during train operation is guaranteed, and the stability of train occupancy detection is also improved.

The invention provides a train forward operation risk assessment method based on an operation risk domain, and the method proposes the concept of the operation risk domain based on a field theory, constructs a train forward operation risk assessment model based on the risk domain, and constructs operation risk domain models in two scenes of train tracking and foreign matter invasion. And the forward operation risk of the train is evaluated in real time, and management and control measures are given, so that the real-time and quantitative evaluation of the forward operation of the train is realized, and the construction of an autonomous safety guarantee system of rail transit is promoted.

The invention relates to the technical field of railway transportation safety, in particular to a multi-source data fusion train area sensing and active protection system and method.The method comprises the steps that a data acquisition module obtains obstacle sensing data in front of a train and receives state and position data reported by a personnel terminal; the space-time reference and electronic fence management module provides unified positioning and map services and generates an electronic fence according to a plan; the multi-source situation fusion module carries out fusion processing on the information to generate a global dynamic situation; the real-time risk quantification module calculates a collision time TTC based on the situation, and outputs an evaluation result according to a dynamic risk model; the intelligent early warning decision-making module generates a graded early warning instruction containing specific action guidance; and finally, the early warning cooperative execution module synchronously distributes the instruction to the train and personnel terminal. According to the invention, the conversion from passive monitoring to active early warning is realized, and the safety protection capability of driving and operation in a complex environment is improved.

The invention relates to the technical field of railway safety, and provides a train safety protection method, device and system, and the method comprises the steps: obtaining train head wind pressure through an ATP system, obtaining train tail wind pressure through an IEOT device, and building the communication between the ATP and the IEOT through a train head radio station. When the train is departed, if the wind pressure at the head and the tail is consistent and communication and satellite positioning are normal, judging that the train is complete; if communication, wind pressure or positioning is abnormal during train operation, judging that the integrity is lost; and if the ATP and IEOT connection is not established, fails or cancelled, judging that the integrity is unknown, and taking corresponding protection measures according to the integrity state. The problem that an existing test system and an existing test method are not suitable for a heavy-load train group operation control system, and the safety protection requirement of the train cannot be guaranteed can be solved.

The invention discloses a marshalling train end screening method, device and equipment and a storage medium, and relates to the technical field of rail transit, and the method comprises the steps: obtaining marshalling plan information of a marshalling train when the marshalling train does not meet an end screening condition; when a head idle instruction is received, the head ends of the marshalling trains are screened based on the marshalling plan information, and marshalling train head end screening is completed; and when a tail idle instruction is received, the tail ends of the marshalling trains are screened based on the marshalling plan information, and marshalling train tail end screening is completed. Through the train end screening method and device, the technical problem that the train marshalling function cannot be completed due to the fact that the group control equipment cannot complete the end screening function for the marshaled train once the marshaled train cannot meet the set end screening condition due to some scenes in the related technology is solved.

The embodiment of the invention provides a data processing method and electronic device.The data processing method comprises the steps that operation data in a railway information system are obtained, and the railway information system is used for indicating a system for dispatching and controlling a train; under the condition that an abnormal event is determined based on the operation data, abnormal mapping information is obtained, a to-be-confirmed abnormal root cause corresponding to the abnormal event is determined according to the abnormal mapping information, and the abnormal mapping information is used for indicating a mapping relation between each abnormal event and at least one abnormal root cause; abnormal data features of the abnormal event are obtained, a target root cause in the abnormal root causes to be confirmed is predicted based on the abnormal data features, and the target root cause is used for indicating the root cause triggering the abnormal event in the operation of the railway information system. According to the method, the dependence on manpower in the fault analysis process can be reduced, the fault analysis efficiency is improved, fault attribution is carried out on the abnormal event based on the abnormal mapping information, and then the attribution accuracy is improved.

The embodiment of the invention provides an end changing operation method and device of a train, and the method comprises the steps: determining an end changing direction of a target train in response to an end changing command for the target train, and determining a train operation section corresponding to the target train according to the end changing direction; first movement authorization corresponding to the target train is calculated according to the train operation section, and train route information is inquired according to the end changing direction; the route permission of the target train for the train route information is determined, the first movement authorization is updated according to the route permission, second movement authorization is obtained, and the target train runs in the end changing direction according to the second movement authorization. According to the method, the limitation condition that a turn-back area is formulated in an electronic map in advance is removed, and the movement authorization can be automatically calculated only by using the train operation section, so that the in-situ end changing use is more flexible, and the abnormal degradation mode and the influence on the subsequent normal operation of the train caused by coping with disaster emergency situations of the train are avoided.

The invention provides a train material volume detection method, device and equipment based on millimeter wave radar, and relates to the technical field of railway transportation intelligent detection and three-dimensional point cloud data processing. The method comprises the following steps: acquiring point cloud data obtained by scanning a train through a millimeter wave radar, and preprocessing the point cloud data to obtain a train main body point cloud; wherein the point cloud data comprises position coordinates of points; on the basis of density change characteristics of the train main body point cloud in the train advancing direction, carriage connection gaps are recognized; based on the compartment connection gap and the preset compartment length, compartment section point clouds are divided from the train main body point clouds; and based on the coordinates of the points in the compartment section point clouds in the train height direction, material surface point clouds are extracted, and material volume calculation is carried out based on the material surface point clouds. The system can stably run in a loading building environment with large dust, strong shielding and complex illumination, and provides a reliable technical means for real-time loading monitoring of bulk materials of a train.

The invention discloses a centralized scheduling system supporting large-interval resource security card control, which ensures that conflicts can be found and plans can be adjusted in the first time under various scenes of background introduction by optimizing plan level check prompt logic and execution level security card control logic, and ensures that the security card control of large-interval resources can be realized at the second time. Conflict occupation of resources in the same large interval by two trains is effectively avoided, safe application of a single driving resource is ensured, driving conflicts are eliminated, and the safety of railway transportation is improved. Moreover, technical prevention and object prevention are used for replacing civil defense, and automatic safety card control is used for replacing manual safety card control, so that potential safety hazards caused by manual communication errors are eliminated, the running safety of the train is ensured, and the railway transportation efficiency is improved.

The invention discloses a method for generating a post-earthquake seismic oscillation parameter field in a peripheral area of a railway by considering a topographic site, which can consider the influence of topographic features on seismic oscillation, improve the estimation precision of the post-earthquake seismic oscillation parameter field and provide technical support for post-earthquake inspection and driving order recovery. Meanwhile, railway workers can carry out targeted field inspection according to the mileage range, the inspection range is reduced, the emergency disposal time is shortened, the road network post-earthquake emergency disposal capacity is improved, the post-earthquake loss is reduced, and the railway transportation safety is guaranteed; moreover, the calculation work can be completed before the earthquake occurs, the calculation amount is relatively small after the earthquake occurs, and the actual demand of quick response after the earthquake of the railway can be met; besides, earthquake rapid report and station observation data from an earthquake station network center are comprehensively applied, information of a railway self-built station is fused, information utilization is comprehensive, and meanwhile, earthquake oscillation around the railway is better reflected.

The invention discloses a railway turnout fault diagnosis method based on power data, and relates to the technical field of rail transit. The method comprises the steps that power data when a train passes through a railway turnout and displacement of a switch rail and a stock rail are obtained and preprocessed, and standardized feature vector data are obtained; acquiring temperature data of a time node corresponding to the standardized feature vector data; correcting the standardized feature vector data according to the temperature data; and inputting the corrected standardized feature vector data into the trained deep cavity convolution long-short-term memory network attention model, and outputting the railway turnout fault type, thereby effectively improving the diagnosis accuracy of the railway turnout fault type, building a scientific foundation for operation and maintenance decisions through the accurate diagnosis result and prediction result, and improving the reliability of the railway turnout fault type diagnosis. And operation and maintenance personnel can plan a maintenance strategy in advance, so that sudden faults of equipment are effectively avoided, and safe and stable operation of railway transportation is stabilized.

The invention discloses a train working diagram station track adjustment method and system fused with multi-dimensional inspection. The method comprises the steps that train operation adjustment result data containing station track change information are received; generating an adjustment result dialog box which can be switched between a simplified version and a detailed version according to the adjustment result data; in the adjustment result dialog box, in response to a screening condition input by a user, screening the adjustment result data, and carrying out statistics on the screened data; displaying station track change entries in the adjustment result dialog box, and highlighting the unconfirmed station track change entries with a first visual identifier; in response to an interaction operation of a user on the station track change item, providing a station track adjustment option; and based on the station track adjustment option selected by the user, executing a corresponding station track adjustment operation or multi-dimensional feasibility check, and updating a station track adjustment result. The railway transportation quality can be improved, and the working intensity of dispatchers is relieved.

The invention discloses a protection method and device for a train split-phase region and a storage medium, and the method comprises the steps: obtaining a split-phase region protection starting point and a split-phase region protection end point, and building a split-phase region protection region according to the split-phase region protection starting point and the split-phase region protection end point; a first movement authorization terminal point of the train is obtained, and when the first movement authorization terminal point intrudes into the split-phase zone protection area, the starting point of the split-phase zone protection area is determined as a second movement authorization terminal point; and performing split-phase zone protection parking operation according to the second movement authorization terminal point. Therefore, by establishing the split-phase zone protection area in advance and combining the moving authorization terminal point of the train, the split-phase zone protection parking operation is accurately executed, and therefore the situation that the train is accidentally parked in the split-phase zone is effectively avoided, safer, more efficient and more reliable train operation management is achieved, and the train operation efficiency is improved.

Methods for generating train test scenarios and corresponding systems and computer-readable mediums. A method includes identifying train logs corresponding to a conflict between trains. The method includes identifying, from the train logs, trains that are involved in the conflict and identifying messages of specific types in the train logs. The method includes ordering the identified messages to produce a test scenario corresponding to the conflict and validating the test scenario in a simulation to determine whether the conflict has occurred. The method includes, when the computer system determines that the conflict has not occurred in the test scenario, then adding and / or removing messages from the test scenario and repeating the ordering and validating steps. The method includes, when the computer system determines that the conflict has occurred in the validated test scenario, storing the test scenario for use in testing a train planning system.

The invention discloses a heavy-load train automatic driving safety protection planning control method, device and system, and the method comprises the steps: S1, obtaining the state information of a train at the current moment in real time when the heavy-load train is abnormal; s2, verifying the state information of the train at the current moment according to the historical correct state information before the abnormal condition so as to obtain the actual running state information of the train; s3, determining the position of a target parking point according to the actual running state information of the train, the pre-stored line environment information and the historical signal information; s4, taking the train state information at the abnormal moment as an initial state, performing iterative calculation prediction on the target parking point position, and generating a target parking planning curve; and S5, controlling the train to follow the planned target parking planning curve and safely stop at the target parking point position. According to the invention, through real-time monitoring of automatic driving operation, dynamic train operation safety is ensured.

The invention discloses a railway heavy haul train stable operation optimization method based on deep learning. The method comprises the following steps that S1, real-time original data in train operation are collected in real time; s2, performing standardization processing and de-noising processing on the real-time original data according to a second level, a minute level and an hour level; s3, performing real-time continuous prediction by adopting a multi-scale Fourier neural operator model trained by historical data to obtain train longitudinal dynamic state prediction output; s4, constructing a local dynamic game decision model, and determining an optimal combination scheme of traction force and braking force in real time through reinforcement learning; s5, constructing a global dynamic game decision model, and calculating an optimal speed curve and an energy management strategy in real time through a multi-agent coevolution algorithm; and S6, the longitudinal control scheme and the overall operation scheme are fused in real time, and a final control instruction is determined. Longitudinal impact and energy consumption are effectively reduced, and the control precision and stability are improved.

According to the automatic train monitoring system and the method for automatically recovering the normal operation of the trains, the automatic train monitoring system calculates an updated matching reference between the trains and a planned operation line, and when the operation is recovered, the automatic train monitoring system enables all the trains to be matched with a new planned operation line according to the updated matching reference for operation. According to the invention, efficient operation of the whole system can be effectively ensured, the influence of sudden faults on the operation order is reduced to the greatest extent, the travel experience of passengers is ensured, the efficiency of scheduling work is improved, the availability of the whole system is enhanced, and more powerful support is provided for stable operation of urban rail transit.

The invention discloses a multi-sensor combined train detection method and system, a medium and a program product, and the method comprises the steps: collecting optical feature data and acoustic feature data; calculating the running speed of the train; determining corrected optical feature data and corrected acoustic feature data; optical feature sequences and acoustic feature sequences of the train head, the train middle and the train tail are determined; extracting vehicle head contour structure features, compartment connection structure features and vehicle tail contour structure features; extracting train starting acoustic features, a wheel and steel rail impact sound spectrogram and train braking acoustic features; determining an optical feature recognition result; determining an acoustic feature recognition result; and according to the weights corresponding to the optical feature recognition result and the acoustic feature recognition result, calculating to obtain a train type recognition result. According to the method and the device, the accuracy of train type identification in severe weather is improved, and the accuracy and the real-time performance of railway transportation scheduling are further improved.

The invention discloses a train operation and maintenance management method and system, a medium and a product. According to the method, a vehicle-mounted sensor is adopted to comprehensively collect system operation data of train power, suspension and the like, and a fault risk prediction model is input to obtain high, medium and low fault risk levels; generating a maintenance train priority list in combination with a next-day train scheduling plan, and determining a maintenance sequence; according to the priority and the maintenance resources, making a maintenance plan covering task allocation, team arrangement, a bill of materials and estimated time; and if the actual maintenance is overtime, dynamically adjusting the plan. According to the method, accurate prediction and evaluation of the train fault risk are realized, the train maintenance plan is constructed and dynamically adjusted in combination with scientific distribution of maintenance resources, the accuracy and efficiency of train operation and maintenance are effectively improved, and a powerful guarantee is provided for safe and efficient operation of the train.

The invention relates to a method for operating a system for the automated uncoupling of two rail vehicles (10, 20), wherein each rail vehicle (10, 20) has at least one controllable coupling (11, 21) at each end of the vehicle and a control computer (12, 22) that controls this at least one coupling (11, 21) and is equipped for data communication by means of an address that uniquely identifies the respective rail vehicle (10, 20), and wherein in a first method step, a released position of each coupling (11, 21) that causes the uncoupling of both rail vehicles (10, 20) is determined by means of digital command transmission to at least one of the two control computers (12, 22).21) is realized. This is intended to achieve, in a cost-effective manner, the resetting of an automated rail vehicle coupling from a released buffer position to a coupled position and at the same time achieve a high process reliability of train formation processes in shunting yards. According to the invention, this is achieved by determining, in subsequent further process steps, first and second geoposition data indicating the geographical positions of both rail vehicles (10, 20) and exchanging them between the control computers (12, 22) of both rail vehicles (10, 20) by means of a data relay (30). In the control computer (12) of the first of the two rail vehicles (10, 20), the distance (D) between the two rail vehicles (10, 20) is determined from the determined first geoposition data of the first rail vehicle (10) and the second geoposition data of the second rail vehicle (20) received from the data relay (30).and in this control computer (12, 22) a control signal is generated to move the at least one coupling (11, 21) of the first of the two rail vehicles (10, 20) into a coupling-ready position as soon as the determined distance (D) between the two rail vehicles (10, 20) exceeds a predefinable limit value.

The invention relates to the field of rail transit, in particular to a train state fault analysis system based on data analysis. Comprising a receiving module, a determining module, a judging module and an output module, according to the invention, the state parameters of the monitored equipment are received in real time through the receiving module, so that the confirmation module confirms the direct associated equipment and the secondary associated equipment of any equipment according to the electrical connection relationship, and the associated equipment is distinguished; the judgment module sequentially traverses the direct associated equipment and the secondary associated equipment according to the abnormal parameters and judges the running states of the equipment, the abnormal equipment is found in time, the diagnosis result is output through the output module, faults are found in time, multi-dimensional data collection and analysis processing are combined, and the fault diagnosis accuracy is improved. And efficient processing and analysis of train fault data are realized.

The embodiment of the invention provides a train movement authorization method, device and system. The train movement authorization method comprises the steps that a target obstacle corresponding to a moving target train is determined; target obstacle types of the target obstacles are determined, target safety protection parameters corresponding to the target obstacle types are adopted, movement authorization information of the target train is determined, and different obstacle types adopt different safety protection parameters when the movement authorization information is calculated; and the movement authorization information is sent to a train control system of the target train, so that the train control system controls the movement speed of the target train based on the movement authorization information. The system identifies the target obstacle and the type thereof, adopts corresponding safety protection parameters and calculation modes, dynamically determines mobile authorization information, realizes flexible and accurate control of the train, ensures safe driving of the train at the optimal speed, and improves driving safety and operation efficiency.

The invention relates to a visual inertial positioning method and device for a railway train fused with scene information, and the method comprises the steps: building four geometric constraint models through combining a visual inertial odometer with the geometric features of a railway environment; the constraint models are respectively a sleeper advancing distance constraint model, a camera-rail surface absolute height constraint model, a rail vanishing point constraint model and a non-integrity constraint model. And the scene prior information is deeply fused with the visual inertial odometer. In a sliding window optimization framework, an IMU pre-integration residual error, a visual reprojection residual error and a geometric constraint residual error are jointly optimized through a dynamic marginalization strategy, multi-source information collaborative pose estimation is realized, high-precision visual inertial positioning of a train is realized, and particularly, excellent robustness is shown in an environment in which GNSS signals are shielded.