144 results about "Railway system" patented technology

The invention discloses a train fault state detection method and system based on artificial intelligence, and relates to the technical field of train fault state detection. The method comprises the steps that multiple types of sensors are arranged at key parts of a train, state data such as temperature, vibration, electricity, energy consumption and noise are collected in real time, local receiving, preprocessing and wireless uploading of the data are achieved by means of a mobile terminal, and a cloud platform conducts multi-dimensional analysis and fault recognition through an artificial intelligence algorithm on the basis of a health assessment model. According to the train fault diagnosis system and method, health indexes and early warning information are generated and pushed to operation and maintenance personnel in real time, the system supports overhaul process recording and multimedia information uploading, information archiving and analysis tracing are achieved, the accuracy and response efficiency of train fault diagnosis are remarkably improved, the operation and maintenance cost is reduced, and the safety and intelligent level of a railway system are enhanced.

It is described a container transport vehicle (501′; 501″; 501′″; 501″″,501′″) for operation on a rail system (108) of an automated storage and retrieval system (1), the container transport Y vehicle (501′,501″,501′″; 501″″; 501′″) comprising:—a vehicle body (501a′; 501a″; 501a′″; 501a″″; 501a′″″) defining a vehicle base (501d), four sides (501e), and an upper face (501f′; 501f″) opposite the vehicle base (501d);—a first drive means (501b) for movement of the container transport vehicle (501′,501″; 501′″,501″″; 501′″″) in a first direction (X);—a second drive means (501c) for movement of the container transport vehicle (501′; 501″,501′″; 501″″;501′″″) in a second direction (Y), wherein the second direction (Y) is perpendicular to the first direction (X);—an internal receiving space (20) within the vehicle body (501a′; 501a″;501a′″;501a″″; 501a′″″);—an elevator assembly (10) comprising a first support surface (11) being vertically movable and configured to support a storage container (106);—wherein the vehicle base (501d ) comprises a base opening (502), and at least one of the sides 501b (501e) comprises a side opening (503), the side opening (503) allowing passage of a storage container (106) into the internal receiving space (20) and the base opening (502) allowing the elevator assembly (10) to lower a storage container (106) at least partly therethrough. It is further described an associated system comprising the container transport vehicle and methods of using the container transport vehicle to transfer storage containers between different locations on a rail system.

The invention discloses a train multi-mode wireless access terminal and a multi-path data transmission scheduling method. The train multi-mode wireless access terminal integrates multi-system communication modules such as LTE-M, Wi-Fi, 5G, GSM-R and the like, configures various priorities for data through the main control unit, allocates default and standby bearer networks, and dynamically monitors network connection quality parameters to judge transmissibility, trigger switching logic and regulate and control QoS (Quality of Service) levels. The multi-path data transmission scheduling method comprises the steps of configuring a data priority and a network, monitoring a network state, executing transmission control based on the priority, and switching back to transmission after a default network is recovered. According to the invention, the problems of complex deployment, low flexibility and low reliability of a wireless communication module of an existing rail transit vehicle are effectively solved, and high-reliability and flexible data transmission and interconnection and intercommunication with a railway system in a multi-network environment are realized.

The invention provides a railway emergency power supply cooperative control method and system based on signal linkage, and relates to the field of railway electric braking systems.The method comprises the steps that 1, electrical parameters and power supply state data of station connection cables between adjacent stations are obtained on the basis of optoelectronic isolation signal acquisition units distributed in station machine rooms along a railway, the data are transmitted to the monitoring host in real time through the main-standby dual-path transmission architecture; and step 2, the monitoring host performs dynamic topological relation analysis based on the transmitted data in combination with a preset fault feature library, generates a space structure framework representing a fault influence range, and judges a fault category in combination with a station connection circuit control rule to generate a fault judgment result. Signal linkage and cooperative operation between railway emergency power supplies are achieved, power supply reliability and emergency response speed are improved, and stable operation of a railway system is guaranteed.

A locomotive has DC or AC traction motors, powered by a hydrogen fuel cell, and optionally other sources such as regenerative braking. The traction motors of the locomotive may be connected to a set of independent DC choppers or AC inverters, linked via a common DC bus, configured to regulate power from the one or more power sources. A manager module, among other functions, may receive inputs and signals to coordinate delivery of electricity from the sources to the motor. A method for retrofitting a legacy locomotive may include removing a generator and a control apparatus configured for diesel fuel, and installing a kit of apparatus configured to be powered by a hydrogen fuel cell. A railway system for use by locomotives powered by hydrogen has one or more hydrogen-generation stations deployed near a track of the railway system.

The present invention discloses a method and system for testing the quality of data transmission service of a railway DRTD system, which are corresponding solutions. In the solution, the validity and timeliness of data transmission of main network element nodes EMBC in the railway DRTD system can be tested, and at the same time, a method is provided for testing and verifying dispatching communication data services that are mainly carried by packet data of the railway DRTD system. The method and system can be widely used in railway DRTD system performance evaluation, daily debugging, system joint debugging and testing, and maintenance inspection, which are in line with the actual application requirements and scenarios of the railway DRTD system, do not affect the normal business processes of the railway DRTD system, are highly targeted, and can provide new methods and technical means for railway DRTD system operation and maintenance testing to ensure driving safety.

A method for monitoring the integrity of a railway system (2) comprises the steps of: acquiring measurement signals from multiple strain sensors (21) on a track rail (6) of the railway system (2); determining the integrity of at least one component (5, 6, 7, 9) of the railway system (2) based on the measurement signals, wherein the multiple strain sensors (21) are components of a linear detection device (19) attached to the track rail (6) and extend over a measuring section (31) along the track rail (6) with a length (L) of at least 100 m; and wherein the integrity is determined by means of an electronic evaluation unit (20) which is in signal communication with the multiple strain sensors (21), in particular at least 100 of the strain sensors (21), for receiving the measurement signals. A monitoring device (1) for monitoring the integrity of the railway system (2).

The invention relates to the technical field of catenary state detection, in particular to a power transmission line abrasion detection method and system.The power transmission line abrasion detection system comprises a transferring mechanism used for bearing a detection mechanism to move along a catenary, and the detection angle of the detection mechanism is adjusted through a multi-degree-of-freedom mechanical arm; the detection mechanism comprises a camera module and a point cloud scanning part; the detection mechanism is in communication connection with the data processing device; the data processing device comprises an edge computing platform, a communication module and an alarm module; and a contact network detection model in the edge computing platform processes the data information and outputs a detection report of the contact network in real time. Through stable positioning, multi-degree-of-freedom adjustment, time sequence modeling of machine vision and efficient fusion of point cloud data of the transfer mechanism and the mechanical arm on the detection mechanism, high-precision and low-delay abrasion detection is automatically achieved in the whole process, the precision reaches the micron level, an accurate and real-time monitoring means is provided for railway maintenance, and the working efficiency is improved. And the safety and the reliability of a railway system can be improved.

The invention relates to the technical field of electrified railway catenaries, and provides an intelligent monitoring system and method for a catenary section insulator, and the method comprises the steps: collecting a visible light video, converting the visible light video into an HSV color space, and extracting the contour of a pantograph slide plate through combining the material and shape features; an optical flow method is adopted to track the contact track, the number of effective contact times is counted, and voltage and temperature data are synchronized to analyze performance changes before and after contact; and finally, a relation graph model is constructed, trend prediction and abnormal early warning of the state of the section insulator are realized, so that the operation state of the section insulator in the overhead line system can be continuously monitored in real time, advance perception and trend pre-judgment of faults are realized, and the safety and reliability of a railway system are effectively improved.

The invention discloses a graphical fault distance measurement method and system, relates to the field of traction substation tripping fault mark distance measurement in the railway industry, and can read a fault report of a fault distance measurement device and constant value parameter configuration of the fault distance measurement device off line, and calculate and analyze a fault type, whether line current is balanced or not and a fault distance according to the data and parameters. And a result is graphically displayed, so that the distance measurement error range can be narrowed by modifying and verifying the constant value parameters, and the corrected constant value parameters are exported and stored, thereby achieving the purposes of facilitating fault analysis, improving the working efficiency and shortening the maintenance time. Maintenance personnel are helped to quickly find out fault points, timely process faults and recover normal operation of lines, and the method is very important for safe, reliable and efficient transportation of a railway system.

A method and system for railway edge computing service caching and task offloading. The method constructs an ACSCTO network model based on a pre-built railway system optimization model. In the ACSCTO network model, the service caching and task offloading network generates service caching decisions, and based on the service caching decisions, generates task offloading decisions. The bandwidth resource allocation network generates bandwidth resource allocation decisions based on the service caching and task offloading decisions. The computing resource allocation network generates computing resource allocation decisions based on the service caching, task offloading, and bandwidth resource allocation decisions. The ACSCTO network model is trained, and the trained ACSCTO network model is used to perform railway system service caching, task offloading, and resource allocation in real time. The ACSCTO network model proposed by the present invention can adaptively and dynamically adjust service caching and task offloading according to different task requirements, allocate computing resources and network bandwidth, thereby improving resource utilization rate, maximizing task processing efficiency, and reducing processing latency.

The utility model relates to the technical field of railway maintenance tools, and in the daily maintenance and inspection of a railway system, an inspector usually needs to carry various tools, such as using a common hammer to smash and knock, using a wrench to inspect and fasten a loose bolt, and using tools such as a feeler gauge to measure a gap or a gap between a rail and a sleeper. In order to solve the technical problems that the carrying burden of inspection personnel is increased, and the working efficiency is possibly influenced by incomplete tools in emergency, the utility model discloses a multifunctional inspection hammer which comprises a hammer rod, a hammer head, a connecting pipe and a wedge-shaped filler gauge, the hammer head is connected to the right end of the hammer rod, a clamping groove is formed in the hammer head, and the wedge-shaped filler gauge is arranged in the clamping groove. A hammering part is arranged on the hammer head; the hammer rod is a structural body with an opening in the left end and an inner cavity, internal threads are arranged on the wall of the inner cavity of the hammer rod, the left end of the hammer rod is in threaded connection with one end of the connecting pipe, a wedge-shaped filler gauge is arranged at the other end of the connecting pipe, and scale marks are arranged on the wedge-shaped filler gauge.

The invention relates to an actuating device (4) comprising an actuating mechanism (11) configured to allow and / or prevent fluid energy communication in order to activate and / or deactivate a determined function of a railway system (3), depending on a configuration of the device, a drive handle (12) mechanically secured to the actuating mechanism and configured to be rotated between a first position in which the device allows a first configuration for activating the function, and a second position in which the device allows a second configuration for deactivating the function, with the actuating mechanism which is rotated when the handle is rotated, an electric drive motor (13) configured to rotate the actuating mechanism and the handle, and an engagement and disengagement mechanism (14) mechanically secured to the motor and to the handle, the engagement and disengagement mechanism allowing an engaged stable configuration in which, when the motor is in operation, the actuating mechanism is actuated and the handle is rotated, and a disengaged configuration when the handle is rotated to actuate the actuating mechanism and when the motor is at rest.

In order to improve the accuracy of ascertaining the restriction of regenerative braking in consideration of the relationship between the travel position of a railway vehicle and the regenerative energy that can be provided to an overhead power line, the present invention provides a railway system comprising an on-board system mounted in the railway vehicle and a ground-side system that can communicate with the on-board system. The on-board system transmits vehicle regenerative data, which is data relating to regeneration by the railway vehicle, to the ground-side system. The ground-side system has a regenerative braking restriction database that is constructed by accumulating, on the basis of the vehicle regenerative data received from the on-board system, at least data on a travel section of the railway vehicle and data on the regenerative braking restriction of the railway vehicle.

A rechargeable electrical system to provide electrical energy to operate a locomotive is disclosed. The system can include a tender car unit (TRC) configured to receive and transfer electrical energy. The TRC can include one or more power blocks having power supplies, capacitor modules, and a tether connected the locomotive. The TRC can also have an energy transfer unit to receive or distribute a pulse power energy transfer. The system can further include an energy transfer station (ETS) electrically connected to a local utility grid and configured to store and transfer to and / or receive from energy the TRC. The ETS can include power supplies, capacitor modules, and an energy transfer beam for transferring energy. The system can also include an energy management software to monitor and control a distribution of energy via a central command station having a wireless transmitting device and a processing unit.

The utility model discloses an intelligent switch cabinet assembly for railways, which comprises a switch cabinet side plate, an access hole and an isolation mechanism, and the access hole is arranged on the switch cabinet side plate in a penetrating manner. The beneficial effects of the utility model are that the utility model provides an innovative structural design for solving the problem of insufficient sealing performance of the isolation plate of the access hole in the railway intelligent switch cabinet, and through the synergistic effect of gear rack driving, the self-locking mechanism and the fine tuning assembly, the opening and closing efficiency and sealing performance of the access hole are significantly improved, and the service life of the switch cabinet is prolonged. The gear and rack driving assembly replaces a traditional threaded rod structure, rapid transverse sliding of the isolation plate is achieved through efficient conversion of linear motion and rotary motion, the opening and closing time of the access hole is shortened, and the device is particularly suitable for the high-requirement scene of a railway system for equipment maintenance efficiency. The problem of clamping stagnation caused by mechanical delay in traditional air cylinder or motor driving is avoided, it is ensured that the motion trail of the isolation plate is accurate and controllable, and meanwhile the isolation plate is driven by the fine adjustment assembly to transversely move slightly so that the isolation plate can be tightly attached to the access opening.

A method for generating a map (L) with sensor parameter values ​​(SDP) is described. In this method, a location-dependent, highly relevant field of view (HRSP) of a railway vehicle sensor unit (1) is determined based on map data (LKD). This involves track segmentation and defining a monitoring area (MU) to be monitored by the railway vehicle sensor unit (1) based on the map data (LKD). The location-dependent, highly relevant field of view (HRSP) is then marked on the map data (LKD) based on the defined monitoring area (MU). Location-dependent sensor parameter values ​​(SDP) of the railway vehicle sensor unit (1) are determined based on the calculated location-dependent, highly relevant field of view (HRSP). Finally, the location-dependent sensor parameter values ​​(SDP) are entered into the map (L). Furthermore, a method for tracking a railway vehicle sensor unit (1) is described.A data generation device (40) for generating a map (LK) with sensor parameter values ​​(SPW) is also described. Furthermore, a tracking device (50a) is described. Finally, a rail vehicle (60) is described.

To provide a railway system that can obtain greater regenerative energy while improving the stability of a control system.SOLUTION: In a railway system, an operation management device 20 receives vehicle information about the operation status of a railway vehicle 3 sent from a vehicle control device 11, performs prescribed determination processing based on the vehicle information, and sends the determination result to the vehicle control device 11. The power conversion device 10 has a control pattern that emphasizes the control stability during regenerative operation and a control pattern that emphasizes the regenerative energy obtained during regenerative operation. The vehicle control device 11 selects a control pattern based on the determination result sent from the operation management device 20. The power conversion device 10 controls an electric motor 5 using one of the control patterns selected by the vehicle control device 11.SELECTED DRAWING: Figure 1

Title: Actuation device for a railway system and railway vehicle equipped with such a system and such an actuation device. The invention relates to an actuation device comprising an actuation mechanism configured to allow and / or prevent fluidic energy communication to activate and / or deactivate a specific function of a railway system, depending on a configuration of the device, a drive handle mechanically attached to the actuation mechanism and configured to be driven in rotation between a first position in which the device admits a first configuration for activating the function, and a second position in which the device admits a second configuration for deactivating the function, with the actuation mechanism being driven in rotation when the handle is driven in rotation.an electric drive motor configured to rotate the actuating mechanism and the handle, and a clutch and disengagement mechanism mechanically attached to the motor and the handle, the clutch and disengagement mechanism admitting a stable engaged configuration in which, when the motor is running, the actuating mechanism is actuated and the handle is rotated, and a disengaged configuration in which the handle is rotated to actuate the actuating mechanism and the motor is at rest.

The application relates to a heavy-load railway train operation scheduling method and device, computer equipment and a medium. The method comprises the following steps: based on line information, station information and historical traffic OD information in a heavy-load railway system, a train operation scheme target function is constructed; based on historical operation frequencies of each train flow obtained from the historical traffic OD information and a preset traffic fluctuation threshold, traffic fluctuation constraints of each train flow are determined; based on the traffic fluctuation constraints of each train flow and operation capacity constraints of each train flow in the heavy-load railway system, a genetic algorithm is adopted to minimize the function value of the train operation scheme target function as the target, the train operation scheme target function is solved, and a train operation scheme of the heavy-load railway system is obtained; and based on the train operation scheme, the trains of the heavy-load railway system are operated and scheduled. The method can improve the balance between the overall carrying capacity and demand of the heavy-load railway.

1. Name of the designed product: monitoring device (railway plummet displacement). 2. Use of the designed product: for railway system, monitoring the displacement condition of railway plummet through internal RTK antenna positioning. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention relates to an equivalent uplink and downlink current ratio fault distance measurement method combined with a segmented reactance table, and the method employs an uplink and downlink current ratio method combined with the segmented reactance table to replace a common reactance ratio method and a common uplink and downlink current ratio method in a current complex line direct supply operation mode for fault distance measurement. The multi-line direct supply traction network is divided into a plurality of sections according to different unit impedance, then the reactance value of each section is calculated according to the impedance and mutual impedance of each section, the method not only can consider the influence of an anti-thunder coil and a power supply line on the distance measurement result, but also can ensure the distance measurement precision when the number of stations is large, and the method is suitable for large-scale popularization and application. The distance measurement error is controlled within the range of 250 meters; maintenance personnel are ensured to quickly find out fault points, timely process faults and recover normal operation of lines, and the method is very important for safe, reliable and efficient transportation of a railway system.

The invention provides a high-speed railway joint debugging and joint test evaluation method and device, and the method comprises the steps: determining a high-speed railway joint debugging and joint test detection index according to the operation data of a high-speed railway system; cloud processing is carried out on the detection indexes to obtain cloud feature parameters of the detection indexes; calculating the information entropy of each detection index based on an entropy weight method; determining the weight of each detection index according to the information entropy of each detection index; according to the cloud feature parameters of the detection indexes and the weight of each detection index, a high-speed railway joint debugging and joint test comprehensive evaluation cloud model is obtained through a weighted average method; according to the high-speed railway joint debugging and joint test comprehensive evaluation cloud model, determining a high-speed railway joint debugging and joint test evaluation result; according to the method, the transformation of the high-speed railway joint debugging and test from local evaluation to system overall comprehensive evaluation is realized, the fuzziness and randomness in the evaluation are effectively quantified through the combination of the cloud feature parameters and the weights, the reliability of the evaluation result is improved, and a data reference is provided for railway engineering acceptance.

The application provides an integrated optimization method and device of a railway system, and relates to the technical field of railways.The method comprises the following steps: obtaining an integrated optimization target and a plurality of operation key parameters of a railway system; the railway system comprises a plurality of railway subsystems; determining a first correlation relationship between all operation key parameters and key technical parameters corresponding to all railway subsystems; constructing an integrated optimization model based on the integrated optimization target and the first correlation relationship, and solving the integrated optimization model to obtain a railway system integrated optimization scheme corresponding to the railway system; and the railway system integrated optimization scheme comprises a respective subsystem optimization scheme corresponding to each railway subsystem.The technical scheme of the application determines the first correlation relationship between all operation key parameters and key technical parameters corresponding to all railway subsystems, constructs and solves the integrated optimization model, realizes comprehensive optimization between each railway subsystem in the railway system, reduces the workload of modifying and designing the technical scheme of the railway system, and improves the design efficiency.

1. The name of the design product: digital column operation platform. 2. The use of the design product: data collection and information transmission of various equipment of railway system. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The application provides a railway system operation behavior modeling method and system based on behavior primitives and hierarchical state machines, and belongs to the technical field of railway system modeling and simulation operation. The application abstracts the railway system operation process into behavior primitive units, classifies and expresses them according to event perception, cognitive decision and intervention execution, realizes the structural decomposition and unified modeling of complex operation behaviors, upgrades the behavior expression from 'process description' to 'computable behavior unit', enhances the resolvability and modeling consistency of operation behaviors, constructs a hierarchical state machine system, realizes the cross-level state collaborative expression, establishes system-level, equipment-level and component-level hierarchical state machine models, introduces state mapping relationships, realizes the collaborative evolution expression of different granularity operation states, takes the behavior primitives as a unified triggering mechanism, realizes the cross-level state synchronous update and consistency mapping, and improves the multi-scale operation behavior modeling capability.

The present application relates to a kind of compact railway energy regulation complex and its control method, including the converter unit with the core of medium-frequency transformer, the magnetic field of medium-frequency transformer is to the decoupling inductance of collision and filter capacitor and is constituted the second harmonic filter branch of converter unit DC side, filter each converter unit DC side in single-phase conversion system The second harmonic component is removed.Compact railway energy regulation complex uses double-phase shift control and passive control etc.Control method, can accurately control the power flow distribution of two power supply arms and realize traction transformer primary side three-phase current balance control, and using the linear quadratic regulator LQRI control method based on band integration is carried out energy comprehensive regulation, can effectively suppress the voltage fluctuation of feeder side, improve the comprehensive energy utilization rate and new energy consumption rate of electric railway system.Because of the existence of medium-frequency transformer, compared with the electric energy regulation device with the basic topology of traditional railway power regulator, compact railway energy regulation complex has higher integration.

The invention relates, among other things, to a test device.According to the invention, the test device (TE1, TE2, TE101-TE104, TE201-TE202) comprises: a first feed-in device (E1v, E1f) for applying a first coded test signal (T1v, T1f) between a first terminal (A1v, A1f) and a reference terminal, a first measuring device (M1v, M1f) suitable for measuring a first measurement signal (MS1v, MS1f) that is at least partially caused by the first coded test signal and influenced by any ground fault in a connecting line connected to the first terminal, and a first evaluation device (AUS1v, AUS1f) that subjects the first measurement signal and the test signal to a first correlation check, generating a first correlation signal, and, in the event of a change in the amplitude of the first correlation signal beyond a predetermined correlation-related measure, concludes that there is a ground fault and a first Error signal (F1v, F1f) generated.

The invention relates to an intelligent drawing management method and device for railway signal operation and maintenance and a storage medium, which are applied to the technical field of railway operation and maintenance drawing management, and the method comprises the following steps: receiving a management request and drawing data of a railway signal operation and maintenance drawing, and obtaining a railway system mechanism through the management request; the method comprises the following steps of: establishing three-level electronic drawing permissions of a hierarchy establishment section, a line and a station, configuring differentiated drawing operation permissions for different role personnel, dynamically associating permission allocation based on an organizational structure tree, and realizing permission inheritance and a minimum authorization principle by adopting an RBAC (Role Based Access Control) model; meanwhile, establishing a spatial relationship between a primitive in the drawing and a physical position of a corresponding equipment entity through an electronic drawing business management model so as to realize dynamic association and bidirectional indexing of the drawing and the equipment entity; through a three-level RBAC mechanism of a dynamic authority inheriting model, the problem of railway system authority management rigidity is solved, segment-level user global management and control and station-level user operation isolation are realized, and authority abuse behavior second-level tracking is realized.

The invention relates to an interference control method and device for a mobile communication base station, computer equipment, a medium and a product. The method comprises the following steps: receiving adjacent-frequency railway system signals through antenna array planes arranged in different directions of a mobile communication base station, obtaining interference signals according to the adjacent-frequency railway system signals, obtaining an estimated isolation distance between the mobile communication base station and a railway system in a current time period according to the interference signals in the current time period, and sending the estimated isolation distance to the mobile communication base station according to the estimated isolation distance. And when the interference condition is met, closing a signal emission sector of the mobile communication base station towards the railway system, and when the interference condition is not met, executing a corresponding emission performance adjustment operation according to the size relationship between the signal strength of the interference signal and the strength threshold. By adopting the method, the working stability of the mobile communication base station can be ensured.