810results about "Automatic systems" patented technology

The invention belongs to the technical field of rail transit, and provides a method for automatic marshalling in a multi-train station, which comprises the following steps of: acquiring position information of a group planned following train and driving permission information of the group planned following train; acquiring the running distance of the group planning train based on the nearest relevant transponder group in the group planning following train position information; according to the driving permission information of the group plan following vehicle and the position information of the group plan following vehicle, consistency safety verification is carried out on the running distance; and if the consistency safety verification is successful, group auxiliary positioning information is set and sent to the group planning train for transponder link information updating and distance checking, and automatic marshalling is completed. According to the method, the departure efficiency is improved, and the method has good universality for stations with different complexities.

The invention relates to the field of rail transit control systems, and discloses a rail transit intelligent control system and method based on the Internet of Things, and the system comprises a sensing layer which is integrated with a visual sensor, a thermal imaging sensor, a sound sensor, a pressure sensor, a temperature and humidity sensor, a CO2 sensor and other sensors, the sensing layer collects various data of the rail transit system in real time, and the sensing layer performs joint optimization processing on sensor data by adopting deep learning and reinforcement learning algorithms through an adaptive data fusion method so as to realize high-precision real-time monitoring, data quality screening and anomaly detection; and the network layer comprises a wireless communication module and adopts an intelligent routing mechanism based on real-time network load prediction. A self-adaptive data fusion method is adopted by the sensing layer, and the sensing capability of the rail transit system is greatly improved through intelligent data processing, so that the system can realize real-time and accurate response to a complex traffic environment.

The present invention relates to an integrated train dispatching system and method for regional rail transit, and a medium. The system comprises: a network-wide operation diagram editing and display module, configured to construct and display a regional rail transit network-level operation diagram; a center / station functional module, configured to, on the basis of center / station mode configuration information, activate a corresponding functional module, and implement center dispatching or station dispatching; a line hybrid dispatching functional module, configured to, on the basis of line automation level configuration information, activate a functional module corresponding to the current automation level, and implement hybrid dispatching management of lines having different automation levels; and a full-function scenario dynamic dispatching module, configured to perform full-lifecycle dynamic dispatching of trains on the basis of different signal system conditions, the signal systems comprising CTCS2 + ATO + ATB, cross-line operation CBTC, and CBTC and CTCS2 + ATO + ATB cross-line operation. Compared with the prior art, the present invention has the characteristics of full-scenario coverage, high compatibility, a high degree of automation, and wide practicability.

An integrated railway movement dispatching and train operation control method, comprising: sensing in-transit information of a signal system; constructing an integrated railway movement dispatching and train operation control minimum system; optimizing a time-saving train driving strategy online; optimizing a multi-train driving strategy in a virtual formation mode; and generating an integrated railway movement dispatching and train operation control adjustment solution.

The invention discloses a traction energy-saving method and system based on dynamic load flow calculation for rail transit, electronic equipment and a readable storage medium, and the traction energy-saving method comprises the steps: planning a multi-vehicle collaborative energy-saving module through an ATO single-vehicle energy-saving + ATS working diagram, a dynamic diagram adjustment module according to passenger flow requirements, a regenerative braking energy feedback module and other modules; multi-dimensional coupling conditions of power supply, vehicles, signals, tracks and the like are dynamically analyzed, dynamic load flow calculation is performed from the perspective of energy flow through a dynamic load flow calculation and analysis module of the traction power supply system, technical means such as ATO energy saving, ATS energy saving and regenerative braking energy recovery device energy saving are dynamically coordinated, unified management and cooperative linkage are performed, and the dynamic load flow calculation and analysis module of the traction power supply system is realized. Energy consumption monitoring and statistical analysis are carried out for different traction energy-saving measures, and long-term energy-saving operation effect tracking and evaluation are carried out; and an energy-saving control strategy is continuously adjusted and optimized according to an analysis result through a prediction model between line energy consumption and operation data variables, so that a better energy-saving effect in a real sense is achieved.

The invention relates to a train interlocking control method and system based on distributed interlocking control, and belongs to the technical field of urban rail transit signal systems.The train interlocking control method comprises the steps that the real-time position and dispatching demand data of a train are received; determining the next target position of the train according to the scheduling demand data, and generating a corresponding scheduling command; the dispatching command is analyzed and verified according to the current track state data, the signal machine state data and the turnout position data, confirmation feedback information or correction feedback information is generated to confirm or correct the dispatching command, a final dispatching command is obtained, and a signal machine state adjusting command and a turnout position adjusting command are generated; according to the execution feedback result and the circuit state monitoring data, the execution condition of the final dispatching command is analyzed, and normal driving confirmation information or dispatching execution abnormal information is fed back to the train control center. According to the invention, distributed interlocking control can be realized, and the safety and efficiency of train operation are greatly improved.

The invention provides a train section protection method and system capable of autonomously sensing a backup operation level, and the method comprises the steps: receiving danger source information and signal machine state information transmitted by ground equipment under the condition that the operation level of a train is an ABL level; calculating a first perception MA of the train according to the signal machine state information and the ABL level generation factor; according to the type of the signal machine corresponding to the open near road of the train and the first sensing MA, sensing MA fusion of different train routes is carried out, and a second sensing MA is obtained; extending the second perception MA according to different accurate parking scenes to obtain a third perception MA; updating the third sensing MA according to the validity of the hazard source information to obtain a fourth sensing MA; and controlling the train to perform target obstacle protection in the operation interval according to the fourth sensing MA. According to the method, automation, intelligence and reliability of a train signal system are improved, and then the efficiency and safety of interval protection of the train are improved.

The invention provides a train ATO (automatic train operation) energy-saving method, device and equipment, a medium and a program product, and belongs to the technical field of rail transit. Constructing a constraint function in the train operation process; and under the condition of the constraint function, solving the optimal solution of the target function by adopting a dynamic programming algorithm to obtain the lowest traction energy consumption. According to the train ATO energy-saving method provided by the invention, the target function taking the lowest traction energy consumption as the target is constructed, the constraint function is formed by combining the specific constraint conditions in the train operation, and the dynamic programming algorithm is used for solving the target function, so that the optimal solution under the constraint conditions can be accurately found, and the lowest traction energy consumption can be obtained; the traction energy consumption is reduced by optimizing the operation curve in the ATO operation process, the energy efficiency of train operation is improved, and the operation cost of urban rail transit can be greatly reduced.

The system can include: a vehicle and a remote operator platform. The system can optionally include or be used with a motion planner and a set of remote data systems. However, the system can additionally or alternatively include any other suitable set of components. The system can function to facilitate remote monitoring of a vehicle system(s), such as an unmanned rail vehicle, and / or positive train control (PTC) when operating under speed-restriction rules. Additionally, the system can function to facilitate remote monitoring, tele-operation, and / or exception handling across multiple vehicles / trains by a single operator. Additionally, the system can function to adjust command of a remotely monitored vehicle based on the observability of the environment and / or response capability of a remote monitor / tele-operator (e.g., based on line-of-sight, video latency, etc.).

The invention discloses a shunting automatic driving and protection technology in a full operation scene. In order to improve the safety and efficiency of shunting operation, the shunting operation system is composed of a shunting protection and auxiliary driving platform, a vehicle-mounted intelligent sensing platform, an intelligent management and control data platform and a communication subsystem. The shunting protection and auxiliary driving subsystem comprises a vehicle-mounted subsystem and a ground subsystem, the vehicle-mounted subsystem is provided with a shunting auxiliary driving vehicle-mounted host and the like, and the ground subsystem comprises a host unit and the like. The vehicle-mounted intelligent sensing subsystem can detect obstacles and give an alarm. The intelligent management and control data platform is divided into four layers including a data layer and the like. And the communication subsystem realizes communication of each module. The shunting auxiliary driving vehicle-mounted host is provided with a host and an expansion unit which are consistent in structure, the host and the expansion unit comprise a main controller and the like, two links are established between the units through communication board cards, and the controller of one system can use adjacent communication board cards. The system is used for intelligent management of railway traffic, and has the advantages of safety, high efficiency, full-scene applicability and the like.

The invention discloses a train operation control method and system. The method comprises the steps of determining initial position information when a train is powered on through a train-mounted operation control subsystem, and obtaining a train operation plan from a ground regulation and control subsystem based on the initial position information and a train registration application; determining first movement authorization based on the train operation plan and the first real-time position information through a train-mounted operation control subsystem under the condition that the train operates normally, and controlling the train to operate based on the first movement authorization; the first real-time position information is determined by the vehicle-mounted operation control subsystem in combination with a trackside passive transponder; determining second movement authorization based on the first movement authorization and the second real-time position information during conversion through a train-mounted operation control subsystem under the condition that the train is converted from normal operation to degraded operation, and controlling the train to operate based on the second movement authorization; and the second real-time position information is determined by the vehicle-mounted operation control subsystem in combination with the trackside passive transponder. According to the scheme, the cost of train operation control is effectively reduced.

The invention provides a method and device for calculating the trafficability of a line under the operation of a heavy haul railway train group, and relates to the technical field of train group analysis, and the method comprises the steps: calculating an interval time parameter under the operation of the train group; drawing a train interval working diagram; constructing a single-line working diagram cycle model based on the train interval working diagram and the interval time parameters; constructing a train group tracking model of the double-track heavy haul railway under train group operation based on the interval time parameters; linearizing and then solving the single-line working diagram cycle model to obtain a minimum limit interval working diagram cycle, and calculating the trafficability of the single-line heavy haul railway line under the operation of the train group based on the minimum limit interval working diagram cycle; and according to the train group tracking model, calculating the trafficability of the double-track heavy haul railway at different stages under the train group operation. The method solves the problem that in an existing line trafficability calculation method, the particularity of a group operation organization method is not considered, and the method is not suitable for capacity calculation under group operation.

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 discloses a train operation control method, device and equipment and a storage medium, and relates to the technical field of rail transit. The method comprises the steps that whether the route directions of a first train and a second train are consistent or not is judged; the first train is located in front of the second train; if the route directions of the first train and the second train are consistent, determining train systems and train types of the first train and the second train; the train system comprises a train autonomous operation system and a train control system based on communication. Based on a trackside automatic train protection system and a vehicle-mounted automatic train protection system of the first train and the second train, respectively determining movement authorities of the first train and the second train according to the determined train system and the train type, and the first train and the second train are controlled to operate based on the respective movement authorizations. And the train of the train control system based on communication can perform line cross-line operation on the train autonomous operation system.

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 intelligent rail transit signal system and an automatic scheduling method, and relates to the technical field of rail transit, and the method comprises the steps of data acquisition, machine learning modeling, scheduling optimization algorithm based on machine learning, scheduling strategy generation, real-time signal control, automatic scheduling decision, and system monitoring and optimization. By adding the physical constraint to guide the generation process, the problem that the rail transit data generation sample does not conform to the actual physical law is solved; the problems of insufficient data generation diversity, generation mode collapse and the like are solved through methods of dynamic memory mechanism optimization generator training and the like. The problems of high-dimensional redundancy, nonlinear structural features, poor model generalization ability and the like of rail transit data are solved by using a negentropy excitation function.

The invention provides an auxiliary driving method and system for a high-speed motor train unit, a medium and equipment, and relates to the field of train operation control, and the method comprises the steps: determining an auxiliary driving working mode corresponding to an auxiliary driving request when the auxiliary driving request is detected; and calling corresponding auxiliary driving information in the auxiliary driving guidance information, the real-time auxiliary driving guidance information and the automatic driving control information according to the auxiliary driving working mode to carry out auxiliary driving. When the auxiliary driving request is detected, the corresponding auxiliary driving working mode is determined firstly, and different auxiliary driving working modes can be started in different application scenes so as to adapt to auxiliary driving of the high-speed motor train unit in different external scenes.

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 belongs to the technical field of rail transit automatic driving, and particularly relates to a shunting locomotive ATO high-precision alignment parking control system and method. The control system comprises a fusion positioning module, a laser ranging module, a speed control module and a distance compensation module. The fusion positioning module carries out high-precision fusion positioning according to the precise longitude and latitude, the line transponder position information, the real-time speed and the wheel cycle pulse number, and provides precise position information for the speed control module in combination with an electronic map; the laser ranging module receives a laser ranging distance on a coupled and propelled molten iron tank car or a railway wagon in real time through vehicle-to-vehicle communication; the speed control module calls a speed control algorithm to perform traction and brake control on the locomotive according to the accurate position information provided by the fusion positioning module and the distance information provided by the laser ranging module; and the distance compensation module realizes distance fine adjustment after accurate parking. The invention provides a shunting locomotive ATO high-precision alignment parking control system and method.

The invention provides a platform door system gap detection device control method, which specifically comprises the steps that a signal system sends a door closing command to a platform door system and then keeps a command output state, the platform door system controls a sliding door to be closed after receiving the signal door closing command, and the state is fed back to a gap detection device after the sliding door is closed and locked; the gap detection device starts gap detection when receiving that the sliding door is in a closed and locked state, and feeds back the closed and locked state of the platform door system to the signal system when the gap detection is not abnormal; after the vehicle door is normally closed and locked, the vehicle door is fully closed, and the locking state is fed back to the signal system; the signal judges that the train door and the platform door are closed and the door closing command is canceled when being locked, the gap detection device cancels detection after detecting that the signal door closing command disappears, and the signal system controls the train to leave the station after confirming that no obstacle is retained in the gap detection device. According to the method, gap detection is matched with train operation, and the safety of train operation is improved.

The invention provides a train operation adjusting method and device in a rain and snow mode. The method comprises the steps that a target running gear of a next whole-line train in the rain and snow mode is obtained; wherein the rain and snow mode comprises a plurality of driving gears, and different driving gears correspond to different train operation data; predicting an operation plan of the train according to the target driving gear based on a train operation adjustment model to obtain a target operation plan so as to guide the train to operate in a rain and snow mode; the train operation adjustment model is constructed by taking the arrival time of each train, the departure time of each train and the running gear of each train as state variables and taking the minimum passenger riding waiting time and the minimum train operation cost as objective functions; the train operation cost comprises train energy cost and train maintenance cost. According to the method, the driving efficiency and safety of the whole-line train in the rain and snow mode are improved.

According to the centralized dispatching system and the automatic generating and sending method for the train rapid report information, a control terminal of a station receives a train plan sent by a dispatching center and automatic point report information sent by a self-discipline machine, and the train rapid report information is automatically generated according to the train plan and the automatic point report information; and the control terminal of the station automatically sends the train fast report information to the corresponding dispatching desk. According to the invention, automation of work related to station train rapid reporting is realized, and workers have more time and energy to adjust train plans and command train operation, so that the efficiency and quality of station train operation command are improved, the repeated labor and workload of the workers are reduced, and the requirement of efficient train operation command of the station is better met.

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 provides a gap detection bypass control method for a platform door system. The gap detection bypass control method comprises the steps that sliding door safety circuit state information of the platform door system is read periodically; according to the state information of the sliding door safety circuit, judging whether the sliding door safety circuit is closed again after being disconnected, and if yes, obtaining the LCB state of the sliding door corresponding to the gap detection device; when the LCB state is a bypass state, the detection end of the gap detection device is bypassed; when the LCB state is not the bypass state, the gap detection device is controlled to normally execute a gap detection function; if the state of the detection end of the gap detection device detected within the detection duration is a normal detection state, the gap detection is ended; if it is detected that the detection end state of the gap detection device is a detection abnormal state within the detection duration, a gap detection device control panel is controlled to give an alarm, a gap detection safety loop is disconnected, and a door state indicator lamp corresponding to the sliding door is lightened.

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 TACS artificial vehicle resource reduction and protection method based on a beacon position, and relates to the technical field of rail transit, and the method comprises the steps: an ATS issues a task, a WTC calculates an artificial vehicle resource holding region range, and calculates a train safety positioning region according to the collected beacon position; comparing the train safety positioning area with the manual train resource holding area, judging whether the train ramps in and slides backwards, and if yes, sending alarm protection information to the ATS and the WRC; and if not, reducing the range of the manual vehicle resource holding region according to the train safety positioning region, and releasing the resources of the region through which the train passes. The resource holding area range is reduced according to the manual vehicle safety positioning area, the area resources of the passing area of the train are released in time, and the train passing efficiency is improved. According to comparison of the safety positioning area and the resource holding area of the manual train, unexpected movement such as rash-in and backward sliding of the train is warned and protected, and the safety performance of the WTC system is improved.

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 relates to a fully automated train monitoring system, a method, a device, and a storage medium, the system comprising: a central security interface server, which is used for protocol adaptation between different interfaces and unified data integration; a central external interface server, which is in communication with the central security interface server and is used for completing acquisition of rail transit data; a central real-time monitoring server, which is in communication with the central security interface server and is used for fully automated operation of monitoring an on-site train in real time; a central information processing server, which is in communication with the central external interface server and the central real-time monitoring server and is used for processing the rail transit data; and an operating terminal, which is in communication with the central information processing server and is used for displaying, on the basis of different user role definitions, human-computer interaction interfaces having different operating functions. Compared with the related technology, the present invention has advantages such as flexible architecture, numerous functional modules, a high degree of automation, powerful performance, security and dependability, and human-centered design.

A system for implementing interconnection and intercommunication of a TACS and a CBTC system, comprising an intelligent operation and maintenance (IOM) system (1), an automatic train supervision (ATS) system (2), a wayside resource controller (WRC) (3), an object controller (OC) (5) and a data communication system (DCS) (6), and further comprising a compatible wayside train controller MWTC (4) and a compatible on-board train controller MCTC (7). The compatible wayside train controller MWTC (4) assists in operation when a train in a CBTC system enters a line of a TACS intercommunication with the CBTC system, and the compatible on-board train controller MCTC (7) assists in operation when a train in the TACS enters a line in the CBTC system intercommunication with the TACS. The present invention achieves the functions of trains in the TACS entering lines in the CBTC system for operation and trains in the CBTC system entering lines in the TACS for operation, realizes unified processing for resource management, and improves the resource management efficiency. Also provided are an implementation method using a system for implementing interconnection and intercommunication of a TACS and a CBTC system, an electronic device and a computer readable storage medium.