465results about "Automatic systems" patented technology

The invention provides an arbitrary point turn-back method under a train control system route architecture based on communication, which comprises the following steps of: when an arbitrary point turn-back command for a train is received and the train is determined to be in a stable stop state, generating a reverse route containing turnout opening information. And according to the reverse direction head code, generating a starting end signal machine list of which the route needs to be manually solved and sending the starting end signal machine list to an automatic train protection system. And an unlocking request command of the first signal machine in the starting end signal machine list is sent to the area controller, and the access in the starting end signal machine list is unlocked through interactive verification with a train automatic protection system. After it is confirmed that the route corresponding to the first signal machine is successfully unlocked, a turn-back instruction is sent to the automatic train protection system, and meanwhile the automatic train protection system is controlled to execute end changing operation. After the end changing operation is completed, new movement authorization is established to control the train to run, route unlocking in the original direction and passenger prompting are triggered when preset conditions are met, meanwhile, a turn-back mark of any point is updated and displayed on a human-computer interface, and turn-back of any point is achieved.

The invention relates to the field of train informatization, in particular to a train running state evaluation system based on data analysis. The train braking stress diffusion abnormal tendency value is determined by setting the braking information responding to the train, calling the train body image of the corresponding braking time period, extracting the train shaking characteristics and combining the discrete difference of the loads of all the carriages in the braking time period, and then the data time period type is marked. And the data in the time period is classified, uploaded and stored according to different marks, so that the real-time bandwidth requirement is reduced. According to the invention, the inter-wheel temperature difference characteristic and the in-wheel temperature difference characteristic of each wheel are considered and extracted, the wheel end abnormal risk characterization value is calculated and compared with the early warning threshold value, and the wheel end data is analyzed in a targeted manner, so that the data processing efficiency of a large amount of train data is improved, the real-time communication bandwidth demand is reduced, and the identification accuracy is improved.

The invention relates to a self-adaptive control method for a rain and snow mode of rail transit, electronic equipment and a medium, and the method comprises the steps: comprehensively studying and judging a rain condition based on multi-sensor data and numerical weather forecast data, and calculating a weather grade in the rain and snow mode, the multi-sensor data including video detection data, laser radar data and rainfall data; whether a rain and snow mode is set or not is judged according to the weather level, if yes, the current track slip degree is evaluated according to the multi-sensor data, and the GEBR value is adaptively updated based on the slip degree; the CC calculates the running safety braking envelope of the train by using the updated GEBR value, and feeds back a slip detection result and a dynamic parameter adjustment result in real time; and the ATS dynamically adjusts the operation plan of the train according to the slip detection result reported by the CC, and optimizes the operation scheduling of the whole train. Compared with the prior art, the method has the advantages that self-adaptive management of the rain and snow mode is achieved based on the dynamically-adjusted GEBR, and the running safety and reliability of the train in the rain and snow weather are effectively improved.

The invention discloses an automatic train operation adjustment method and system based on a knowledge graph, and the method comprises the steps: S101, building a knowledge graph of historical emergency instances and a historical feature set of each historical emergency instance based on the feature entities and entity relationships of the historical emergency instances; s102, constructing a current feature set of a current emergency instance, and searching a target feature set from the historical feature set; in combination with the knowledge graph, distributing a weight for each feature entity; calculating the overall similarity between the current feature set and the target feature set according to the weight of each feature entity; s103, comparing the total similarity with a preset threshold value, and if a preset condition is met, taking the adjustment strategy of the historical emergency instance as the adjustment strategy of the current emergency instance; and if the preset condition is not met, an adjustment strategy is made manually. According to the technical scheme, auxiliary decision making can be provided in time when emergency situations are dealt with.

The invention relates to the technical field of rail transit automatic driving, and particularly discloses a rail transit train automatic driving control method, which is characterized in that a vehicle-mounted control center cooperates with a signal system, a traction unit and a braking system, and centimeter-level real-time positioning is realized by adopting extended Kalman filtering and fusing satellite positioning, an odometer and trackside beacon data; the parking precision of the platform is controlled based on a graded braking strategy (coasting-common-precise braking) and pulse type terminal point fine adjustment; the method dynamically adapts to line condition changes in combination with feedforward-feedback composite speed control, and establishes a multi-level safety monitoring network (obstacle detection / overspeed protection / vehicle door linkage) to realize full-process closed-loop control, and finally, high-precision, high-safety and high-coordination operation under unmanned driving is achieved.

The invention discloses a train control method and device under the wet rail condition, and the method comprises the steps: obtaining the train slipping and idling information in a whole line when it is detected that at least one train in the whole line slips and idles; according to the train slipping and idling information, the train subjected to slipping and idling, the whole line and all operation areas in the whole line are analyzed, and wet rail operation reasons causing slipping and idling of the train are determined; and the train slipping and idling information and the wet rail operation reason are sent to an automatic train protection system, so that the automatic train protection system determines a control strategy used for solving the slipping and idling situation of the train according to the train slipping and idling information and the wet rail operation reason. According to the method and the system, the wet rail operation reasons of slipping and idling of the train in the whole line can be comprehensively analyzed and identified, so that the automatic train protection system comprehensively determines the control strategy for quickly solving the slipping and idling conditions of the train.

The invention discloses a bullet train section / bullet train station remote shunting system and method, and belongs to the technical field of high-speed railway train operation control. By additionally arranging a ground remote control server, a remote console, a vehicle-mounted remote control unit, a dormancy awakening unit, an environment sensing unit and other devices and combining an ATP / ATO system and a 5G communication technology, the functions of automatic dormancy awakening, remote driving and unmanned shunting of the motor train unit in a motor train section / a motor train station are achieved. The problems that traditional manual shunting is high in labor intensity, low in efficiency and multiple in potential safety hazards are solved.

The present invention belongs to the field of train control. Provided are an automatic speed-limited operation method, system and device. The method comprises: a ground device respectively determining detection areas for an electric multiple unit and a freight train which are about to meet; and on the basis of an overlapping range between the detection area for the electric multiple unit and the detection area for the freight train, the ground device controlling the electric multiple unit to perform temporary speed limiting / normal driving / revocation of speed limiting. In the automatic speed-limited operation method, system and device of the present invention, the system can automatically identify the position where a passenger train and a freight train are about to meet and the related trains, and automatically trigger, in a timely manner, speed-reduced operation of the high-speed passenger train, thereby effectively guaranteeing safe operation of the high-speed passenger train; a safety control technical method is used for implementation, and the existing manual management method is replaced, thus achieving the characteristics of being safer, more reliable and more automatic; and the implementation method in the present invention is realized on the basis of the existing train-ground wireless communication system architecture and is realized only by means of software optimization and adaptation instead of hardware modification, thereby having broad implementability.

The invention relates to a line adjustment and electronic adjustment combined security card control system, method, device and equipment, a storage medium and a program product. The system comprises a state information acquisition module which is used for acquiring train number window information from a dispatching centralized control system under the condition of receiving a power failure and transmission operation application initiated by a power supply dispatching management system, acquiring planned power supply operation information from a power supply dispatching management system and acquiring power supply arm coverage information from a data acquisition and monitoring control system; the intelligent association analysis module is used for inputting the train number window information, the planned power supply operation information and the power supply arm coverage information into a pre-trained risk assessment model, analyzing the risk association degree of the train operation trend and the power supply operation through the risk assessment model, and outputting a risk assessment result according to the risk association degree; and the safety card control execution module is used for executing safety card control measures corresponding to the risk assessment result. By adopting the system, the running safety of the train can be improved.

A shuttle operation control method for urban rail transit, a device, and a medium. In the method, a shuttle area is provided on an ATS workstation, and after a trackside system protects the shuttle area, an authorized train operates by turning back at any point in an active state shuttle area, and safety protection is performed for train operation and tracking in the shuttle area. Compared with the existing technology, by means of authorizing a train to turn back at any point in a specific area and calculating a safe movement authorization for the train to return to the previous platform, the present invention has advantages such as improving the means by which urban rail transit can respond to faults and reducing fault recovery time.

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 discloses a train automatic turn-back route processing system and method based on an interlocking system. The system comprises an automatic turn-back setting module and an automatic route selecting and arranging module which are arranged in the interlocking system. The automatic turn-back setting module is connected with the interlocking system; the automatic turn-back setting module is used for setting according to a received automatic turn-back command in combination with an automatic turn-back check condition and judging whether an automatic turn-back attribute is set successfully or not in a station control / emergency station control mode; the automatic selection and arrangement route module is connected with the automatic turn-back setting module; the automatic route selection and arrangement module is used for arranging route combinations required by train turn-back according to train positions and route arrangement conditions after the automatic turn-back attributes are set successfully; the interlocking system executes the route arranged by the automatic route selecting and arranging module, the interlocking function among the turnout, the route and the signal machine is achieved, and safe operation of the railway signal system is ensured. The whole train turn-back efficiency is improved.

The invention discloses a dispatching command management system for a heavy haul railway train, and the system comprises a first terminal, a second terminal, a server, and a vehicle-mounted terminal: the first terminal is used for responding to a first selection operation for a target dispatching command in a to-be-sent box and a second selection operation for a group sending binding control; sending indication information to the second terminal, wherein the indication information is used for indicating the second terminal to display the group sending setting interface; the second terminal is used for displaying a group sending setting interface in response to the indication information; in response to a third selection operation for multiple pieces of command triggering information displayed in the group sending setting interface, generating binding information, and sending the binding information to the server; and the server is used for acquiring the running state information of the multiple trains and sending a target dispatching command to the vehicle-mounted terminal in the train under the condition that the running state information of each train is matched with the binding information. By adopting the system, the dispatching command for the heavy haul railway train can be managed.

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.

A method for ensuring the standstill of a rail vehicle, in particular ensuring the standstill of the rail vehicle for safety reasons, uses a vehicle controller of the rail vehicle having an electronic control system in order to implement driving commands and standstill commands in the rail vehicle. In addition, a monitoring instance is used, which is independent of the control system and which detects a movement of the rail vehicle, compares the detected movement with a valid driving command of the vehicle controller and, in the case of a deviation, initiates braking of the rail vehicle independently of the control system in order to bring the rail vehicle to a standstill.

According to the system and method for achieving alignment and isolation of the train door and the platform door, when a train or the platform door breaks down, fault information is transmitted between a train control and management system and a platform door station system through a central server and a train-ground wireless communication system. When the train enters the station, the system can automatically control the faulted train door (platform door) and the corresponding platform door (train door) to be closed according to the fault information and the preset logic mapping relation, meanwhile, other train doors and platform doors are normally opened, accurate alignment isolation of the train doors and the platform doors is achieved, and operation safety and efficiency are guaranteed. Accurate alignment isolation control of the vehicle door and the platform door is efficiently and safely achieved, the work amount and cost for upgrading and reconstruction of an existing system are greatly reduced, the transmission path is short, the number of related devices is small, the system complexity and the fault occurrence probability are reduced, and the processing efficiency is improved.

The invention discloses a city CTC-based running plan morning and evening point real-time adjustment method and device. The device comprises a running chart terminal arranged in a city railway dispatching command system and a city running chart background service. The running chart terminal is used for displaying and operating the running plan and sending running plan operation update to the city running chart background service in real time; and when receiving the train report point reported by the station, the city area working diagram background service performs morning and evening point adjustment processing on the operation plan after the train report point and / or the turn-back plan associated with the operation plan according to the morning and evening point relationship between the train report point and the corresponding operation plan, and updates the operation plan and / or the associated turn-back plan. According to the invention, on the basis of a dispatching command system framework, interconnection and public transportation operation requirements of urban railways are met, and the efficiency of dispatching operation plan morning and evening is improved.

A system that includes a controller that may receive one or more input characteristics related to upcoming movement of a group of vehicles, the one or more input characteristics indicative of an amount of energy needed to move the group of the vehicles along a segment of a route. The controller may also calculate a threshold range of tractive effort needed to move the group of the vehicles along the segment of the route based on the one or more characteristics and to monitor the tractive effort expended by a propulsion-generating vehicle of the vehicles in the group to move one or more of the vehicles in the group, and determine whether the vehicles in the group are coupled with each other or whether two or more of the vehicles are not coupled with each other based on the tractive effort that is monitored and the threshold range.

The invention discloses an alignment isolation method and device compatible with non-coupling and coupling trains and a medium, and the method comprises the steps: when a vehicle-mounted controller receives train door fault information of a train control management system, obtaining shielding door information and mechanical hook state information of a platform where the train is located; the vehicle-mounted controller judges whether the train is a coupled train or a non-coupled train according to the state information of the mechanical hook of the train, and if the train is the coupled train, the mapping relation between a coupled train door and a shielding door is established; if the train is a non-coupled train, establishing a mapping relation between a non-coupled train door and a shielding door; and the vehicle-mounted controller marks the shielding door corresponding to the fault train door as an isolation state according to the established mapping relation between the train door of the coupled train and the shielding door or the mapping relation between the train door of the non-coupled train and the shielding door, and sends an isolation instruction to an automatic train monitoring system (ATS). Compared with the prior art, accurate isolation of the non-coupling train and the coupling train is achieved, and system compatibility is improved.

The embodiment of the invention provides a train rain and snow mode control method and device.The train rain and snow mode control method comprises the steps that at least one kind of road section risk information of a road section where a target train is located currently is determined, and a target road section risk factor of the road section where the target train is located currently is determined based on the at least one kind of road section risk information; the target train is any train in operation; based on the target road section risk factors, the current target rain and snow mode level of the target train is determined, the target road section risk factors are used for indicating the influence degree of rain and snow weather on the current road section, and different road section risk factors correspond to different rain and snow mode levels; and controlling train operation parameters of the target train based on the target rain and snow mode level. The current target rain and snow mode level of the target train is accurately determined by integrating at least one kind of road section risk information, the train operation parameters of the target train can be accurately controlled according to different levels, safe operation in rainy and snowy weather is ensured, and the operation efficiency is improved.

The invention provides a safety protection method for mode switching of a multi-mode train control system. The method comprises the following steps: determining a switching principle of a TBTC system and a CBTC system in the multi-mode train control system; determining the safety principle of the train driving mode; defining an effective receiving source of the mobile authorization information; and determining an interval protection method between the current train and the front train. According to the safety protection method, potential risks caused by mode switching are reduced to the maximum extent, and safe operation of the train is ensured.

The invention provides a train handover control method based on prediction enhancement. The method comprises the following steps: training a wireless communication quality parameter prediction model by using a time sequence data set to obtain a trained multivariable time sequence prediction model, predicting time sequence data of a time point of a future time step length, and generating state data of a future time window; the method comprises the following steps: constructing an actor-commentator framework comprising a strategy network and a value network, iteratively training a deep reinforcement learning decision model by utilizing the actor-commentator framework based on historically collected experience training data, updating parameters of the strategy network and the value network by adopting a near-end strategy optimization algorithm through minimizing a composite loss function, and obtaining the value of the strategy network and the value network. The training is converged, and a trained deep reinforcement learning decision model is obtained; and the trained deep reinforcement learning decision model is utilized to control the train to execute a handover action in actual operation. The stability of the train system is improved, and the communication service quality under high-speed movement of the train is guaranteed.

The invention discloses an automatic turn-off method and device for a CTC system and a medium, and the method comprises the steps: S1, compiling a train plan in a running diagram of the CTC system, and setting the attributes of a train needing to be turned off for the train needing to be turned off for the train needing to be turned off for the train needing to be turned off in the train plan; s2, receiving and analyzing the train plan by an autonomous machine in the CTC system, generating a corresponding route sequence, continuously polling the route sequence, checking whether train numbers meeting the triggering opportunity exist or not, and entering S3 if the train numbers meeting the triggering opportunity exist; s3, the train number meeting the triggering time is the current train number, and whether the current train number needs to be turned off or not is judged; s4, if the current train number does not need to be turned off, directly and automatically triggering a route; and if the current train needs to be turned off, the automatic light-off operation is executed under the condition that the signal machine is not turned off, and the route is automatically triggered after the light is turned off. According to the invention, the automatic light-off of the running train needing light-off in the normal light-off line is realized, the manual workload can be reduced, and the transportation efficiency is improved.

The present invention relates to a safety check method and device for coupling of multiple train units in rail transit, and medium, the method including: determining train formation information to obtain the length, weight and traction braking characteristics of the whole train, so as to automatically protect the running of the train on a route and realize automatic driving. Compared with the prior art, the present invention can detect the coupling states of more than 2 marshalled trains.

The invention discloses an automatic turn-back function testing method and device, relates to the technical field of train control system testing, and mainly aims to improve the efficiency of automatic turn-back function testing. According to the main technical scheme, a simulator corresponding to a tested vehicle-mounted end is created based on preset communication behavior logic, communication connection between the simulator and the tested vehicle-mounted end is established, the tested vehicle-mounted end is a turn-back receiving end, and the simulator is used for simulating a turn-back initiating end corresponding to the turn-back receiving end; the communication behavior logic represents a single-end behavior rule of a turn-back initiating end in a turn-back process; configuring a test case according to a turn-back operation test point in the automatic turn-back function, wherein the test case has a corresponding expected result; according to the test case, driving the simulator and the tested vehicle-mounted terminal to simulate and execute an automatic turn-back interaction process to obtain a test result; and comparing a test result with an expected result so as to verify whether the automatic turn-back function is normal based on the tested vehicle-mounted terminal and the simulator.

The system can include a motion planner and a vehicle controller. The system can optionally include or operate in conjunction with a remote operator platform, a remote data system (130), and / or any other suitable components. However, the system can additionally or alternatively include any other suitable set of components. The system can function to facilitate causal command of a vehicle based on the vehicle state. Additionally, the system can function to maintain positive train control (PTC) with the distributed command architecture.

To provide a transport vehicle capable of suppressing the slip of wheels in the case of accelerating or decelerating a vehicle body.SOLUTION: A transport vehicle includes a vehicle body including first wheels and second wheels arranged at mutually different positions in a travel direction, a first driving device for driving the first wheels, a second driving device for driving the second wheels, and a control device for controlling the first driving device and the second driving device. The control device controls the first driving device and the second driving device so as to make a load increasing wheel torque ratio R being a ratio of torque to be transmitted to a load increasing wheel to the sum of first wheel torque and second wheel torque higher than during constant speed traveling of the wheel body with torque transmitted from the first driving device to the first wheels as the first wheel torque, with torque transmitted from the second driving device to the second wheels as the second wheel torque, and with wheels in which a vertically downward load increases by vehicle body acceleration or deceleration between the first wheels and the second wheels as load increasing wheels.SELECTED DRAWING: Figure 6

This invention relates to a train route identification method, apparatus, device, and medium, belonging to the field of rail transit technology. The method includes: acquiring train operation data and train network vector GIS data; inputting the train operation data and train network vector GIS data into a pre-trained graph neural network model, outputting feature data; associating and matching the feature data with a preset train network, and determining the train's corresponding route based on the latitude and longitude trajectory with the highest matching probability and a confidence level meeting a preset threshold. By using an improved graph neural network model to achieve deep fusion of train operation data and network GIS data, the association features between train operation and network topology are accurately captured, effectively solving the technical problem of mismatched train routes in complex network conditions.

The invention relates to the field of state monitoring, in particular to a method for monitoring the health state of a subway train, and the method comprises the steps: determining the smoothness of a track and a track stress distribution characteristic value; calculating an opposite-side rail bearing characterization coefficient of the subway train, determining a change coefficient in combination with the historical rail bearing characterization coefficient, judging whether the rail has an abnormal tendency or not, and determining a processing method; if the track does not have the abnormal tendency, the continuous monitoring state of the track on the opposite side of the subway train is kept; if the track has an abnormal tendency, determining the moving load of the subway train, calculating a derailment risk coefficient in combination with the smoothness of the track, and determining a derailment early warning state of the subway train; responding to the result of the subway train derailment early warning state, positioning a risk point, determining the running distance between the risk point and the subway train, and adjusting the running speed of the subway train; or judging that the subway train needs to be stopped. The processing method is determined by monitoring the running state of the subway train track, so that the running efficiency and the safety coefficient are improved.