430 results about "Train" patented technology

A method and a device of implementing the train operation control by train-mounted monitoring system, which utilizes present monitor device on the train, increases point type equipments by ground line, disposes the point type receiving set on present monitor device, realizes the strict data checking directly by way of the point type receiving set by present monitor device, reduces the operation of manual intervention device, realizes calculating mode circuit data being saved by the mobile unit, transfers the circuit data by the ground point type transponder information of point type receiving set basis in the train running, carries out the automatic control mode of train running. Said device for implementing the train operation control by monitoring system includes three major parts of train running monitor device, point type receiving apparatus and ground point type equipment.

The invention discloses a train speed measurement and location method and a train speed measurement and location system based on a network distributed redundancy framework, wherein the method comprises the step of concurrently operating a first speed measurement and location control unit and a second speed measurement and location control unit having the same physical structure at the head end and the tail end of a train to acquire and display a final result; the information of train speed and location is measured through a combination manner, so that the measurement accuracy is effectively improved; and on the other hand, the information of sensors at the head end and the tail end of the train can be shared by means of redundancy network without increasing the speed measurement and location sensor, and the reliability of the system is improved.

The invention discloses a method and a system for the safety caution of railway operation, which is used for guaranteeing the safety of railway running. The method for the safety caution of the railway operation comprises the following steps of: measuring the distance between a train and an operational site periodically; and when the distance between the train and the operational site reaches a warning value or the time which is calculated according to the speed of the train and is required by reaching the operational site by the train reaches a warning value, sending a warning signal to the operational site. The safety caution system for realizing the method comprises a distance measurement system for measuring the distance between the train and the operational site and a warning device for sending the warning signal according to a measuring result of the distance measurement system. By utilizing the method and the system, staffs working on railways can get train approaching information in time to make corresponding preparations in time and leave railways.

The invention provides a system and method for remote diagnosis of faults of a train on passage, belonging to the field of train transportation. The system mainly comprises a portable detection device connected by virtue of a network, a special railway management system and a fault diagnosis module, wherein the portable detection device comprises an intelligent processing unit, an infrared temperature measuring unit, an image capturing unit, an audio recording and playing unit, a network transmission unit, a locating unit, an interface and a power supply unit; and the special railway management system comprises a data server, a management platform and an emergency commanding and repeating terminal. The method in the invention comprises the steps of sending pictures and data of a fault which are acquired by the portable detection device to a remoter database, diagnosing by a professional, then sending a diagnosis result back to the portable detection device and repairing timely by a train field operation worker according to the diagnosis result, thus a safety hidden trouble caused by faulty operation of the filed operation worker lack of professional knowledge can be eliminated, a circuit can be ensured to be in operation timely and the transportation efficiency is improved.

A train detection mechanism for detecting the presence of a train on a section of track, the track section including first and second rails 1, 2 and delimited by first and second ends thereof, includes current injector for injecting current into the first rail at the first end of the section and current receiver for receiving current from the second rail at the first end of the section, and a shunt 3 connected between the first and second rails at the second end of the section, characterized in that the shunt includes a switch 4 for controlling current flow through the shunt, the switch being operable by the passage of a train.

The invention belongs to the field of railway train operation dispatching and commanding, and relates to a novel train operation intelligent adjusting method. According to the method, fault information in a disaster prevention alarm monitoring system, temporary speed limiting information sent by a driving dispatching desk and running diagram information of a train under a fault are fully utilized;a minimum operation time division calculation module is added in the RBC database and is responsible for calculating the minimum operation time division of the remaining intervals and the train operation curve with the minimum energy consumption under the time division requirement; the result is fed back to the driving dispatching desk; a running situation prediction module predicts the time foreach train to arrive at a subsequent station, and the time, the speed and the position during running in the intervals; by taking the minimum total delay time of the trains on the line as an optimization target, the departure sequence and time of each train based on a first-in first-out or reinforcement learning method are determined, offline training is carried out continuously, and after the training is completed, the training parameters are stored in the model for intelligent adjustment of the train running diagram under the influence of the delay and inhibition of delay propagation on theline.

The invention discloses an improvement method of performance of a train operation control system in the technical field of train operation control. The method comprises the steps that a zone controller receives current status information of all trains at the beginning of the kth period; when the set maximum allowable waiting time is not exceeded, the zone controller computes the total time delay for generating and sending a moving authority command during the kth period; the zone controller forecasts the status information of all the trains, and generates the moving authority command according to the status information of each train and the status information of all the trains in front of the train; a timestamp is inserted into the moving authority command and sent to all the trains; after each train receives the moving authority command, the timestamp is extracted, and the execution time of the moving authority command is computed according to the specified waiting time; after each train reaches the execution time of the moving authority command, the moving authority command is executed; the next period is entered; and the steps are continued. The method eliminates an influence of train uplink and downlink transmission time delay on the train operation control performance.

The embodiment of the invention provides a train working diagram real-time adjustment method and system. The method comprises the following steps that firstly, time reporting information of a target train is acquired, and a train working diagram is updated, wherein the time reporting information comprises a time reporting moment and a time reporting position; then a current train number plan of the target train is adjusted when the time reporting position is not the destination of the current train number plan; and finally, when the time reporting position of the target train is the destination of the operation plan of the target train, collision detection and repair between the target train and an adjacent train are carried out, and a novel train working diagram is generated. According tothe method, automatic adjustment of the train working diagram can be realized, and it is ensured that the obtained novel train working diagram is feasible; and moreover, adjusting is carried out within a certain time range through the method, and only the current time reporting train is adjusted at a time, so that the automatic adjustment of the train working diagram has real-time performance.

A method for determining an integrity of a train is provided. The method includes coupling at least one head-of-train device to the train. The head-of-train device includes at least one first radio. The method also includes coupling at least one end-of-train device to the train. The end-of-train device includes at least one second radio. The method also includes communicating between the first and second radios using radio-ranging to determine a length of the train, and determining the integrity of the train based on the length of the train.

The invention relates to a train running chart adjusting method. The method is characterized by comprising the steps of: determining the number of trains to be increased according to passenger flow information; corresponding to each added train, selecting a plurality of adjustment object groups consisting of a plurality of adjacent trains in the current running chart, and ensuring that the interval between the trains is greater than or equal to the minimum departure interval after the corresponding trains to be added are added into the adjustment object groups; based on each adjustment objectgroup, calculating the running time of each train after the train to be added is added, and generating an updated train running chart; and sending the updated train running chart to the ATS. Accordingto the train running chart adjusting method, compared with the original train running chart of the adjusted train in the updated train running chart after adjustment, the time adjusting amount is assmall as possible, and the stability of a running system in the train running chart adjusting process is ensured.

The invention discloses a train operation plan adjustment risk control method for emergency uncertainty, and the method comprises the steps: building an uncertainty train operation plan adjustment model by minimization of risk value of train arrival and departure late cost as an optimization target, and adjusting the arrival and departure time and sequence of a train, thereby achieving the adjustment of the train operation plan; when the minimum station operation time constraint, the minimum interval operation time division constraint, the minimum tracking interval constraint, the graph-baseddriving constraint before emergency, the interval blocking constraint are met, indicating that a station does not allow advanced dispatching constraint; when a train sequence in a locked range is adjusted, according to different risk preference conditions of a scheduling decision maker, selecting the corresponding train operation plan adjusting scheme, effectively handling uncertainty of emergencies, and controlling risks for trains being late so that safety of the high-speed rail dispatching command system is improved, and train dispatching intellectualization is achieved.

The invention discloses a foreign invasion limiting monitoring system orienting to railway disaster prevention, which comprises a power supply module, a switch module and a power grid module, wherein the power supply module is used for supplying power supply to the power grid module; the power supply module is connected with the power grid module through the switch module; the switch module is connected with a train control system; the power grid module is used for monitoring the information about the foreign invasion limiting and controlling the on / off state of the switch module; the switch module is used for transmitting an indicating signal to the train control system according to the on / off state; and the train control system receives the indicating signal and controls the running / stopping of a train. The foreign invasion limiting monitoring system can realize the real-time monitoring and unmanned monitoring on the information about the foreign invasion limiting of the railway. Meanwhile, the foreign invasion limiting monitoring system has a simple structure and is lower in cost; the combination of double set of power grid modules and multiple sets of dropping object relays is adopted; the usability, safety and reliability of the system are increased; and the happening of accidents such as train derails are effectively prevented.

The invention relates to a train interval evacuation method, a storage medium and a control device. The method comprises the steps of determining that evacuation is needed since a train needs to be parked in an interval between stations; in the pre-evacuation stage, controlling the train to run to an evacuation parking point beside an evacuation exit of the interval so as to park, and prohibitingother trains which do not need to be evacuated from entering an evacuation protection area of the interval, wherein the evacuation protection area comprises a track area and the evacuation parking point beside the evacuation exit; and in the evacuation stage, opening a train door of the train, guiding personnel on the train to evacuate from the evacuation exit, and prohibiting the other trains which do not need to be evacuated from entering the evacuation protection area of the interval. According to the train interval evacuation method, the storage medium and the control device provided by the invention, the train can be automatically subjected to interval evacuation, and the safety of the personnel on the train is ensured.

The invention relates to a method and reloading system for reloading or loading a loading unit (1), from one railway carriage to another or to another vehicle. The position of the loading unit (1) and the free surfaces are recorded at the latest on the train and vehicle coming to a halt in the loading positions thereof by means of a detection system. A loading auxiliary device (14) is positioned in the vicinity of the loading unit (1) to be loaded by means of the detection system. The loading surface of the loading unit (1) for loading is recorded by means of a detector body. An interlocking connection between a hoisting device and a loading surface of the loading unit (1) is generated. The hoisting device lifts the loading unit (1). A boom (20) is extended from an idle position under the loading unit (1) by a displacement unit (19). The hoist device lowers the loading unit (1) onto the boom. The loading unit (1) is moved to the new position by means of the displacement unit (19). The boom (20) is withdrawn to the idle position thereof.

The invention discloses a high-speed railway train arrival time prediction method based on a scheduling command system. The high-speed railway train arrival time prediction method comprises the following steps that historical data of the scheduling command system is subjected to standardized treatment, a space-time state data processing model is constructed based on a block section and a train discretization trajectory, the space-time data of train operation is extracted and then the data is subjected to standardizing treatment; the historical driving data after standardized treatment is analyzed, and operation time parameters of the block sections of various types of trains in the actual operation environment are estimated; and using the estimated operation time parameters of the block sections and combining with the real-time operation environment state and train state, the signal state in the future period of time can be predicted, and finally, the prediction of the arrival time ofthe train is realized through the mutual constraint and interaction relationship between the train and the signal state. According to the method, the accuracy of the prediction result can be improved,and the reliability of the prediction result is ensured.

The invention discloses a railway train operation safety situation judgment method and device with multi-information integrated. The train operation method comprises the following steps that first, wind characteristic parameters and road condition information are collected; second, a train aerodynamic force and road situation model and a train aerodynamic force, wind characteristic parameter and train speed model are built; third, a train turnover stabilizing model is built; fourth, the speed limit for a train to keep safe operation is determined according to the train turnover stabilizing model. According to railway train operation safety situation judgment method and device with multi-information integrated, by comprehensively taking comprehensive information such as the wind speed, the wind direction and the train model into consideration, the relational expression between multiple types of information is built. On the basis of the relational expression, the speed limit of the train in safe operation is obtained, and therefore operation of the train can be guided.

The embodiment of the invention provides a train operation control method and device. The method is applied to a zone controller and includes the steps that after an obstacle signal sent by a first train and used for indicating that the first train monitors an obstacle is received, operation parameters of the first train are obtained, wherein the operation parameters at least include position information and the operation direction; the protection area of the first train is determined according to the operation parameters, wherein the protection area is the area determined according the position information and the operation direction and formed according to the possible operation route of the first train after the current moment; and emergency braking instructions are sent to trains located in the protection area, and / or movement authorization instructions for avoiding the protection area are sent to trains located outside the protection area. The embodiment solves the problems that in the prior art, the obstacle processing mechanism in urban rail transport has limitation.

An embodiment of the invention provides a method and system for monitoring trains in metro depots based on UWB. By means of the method, train head distance information and train tail distance information which are determined based on a UWB technology are obtained; train head position information is determined based on the train head distance information; train tail position information is determined based on the train tail distance information; and finally, based on the train head position information and the train tail position information, the occupation range of a target train on a train running track is determined, and the target train is positioned. Third-party equipment data are introduced in the entire positioning process, a train head and a train tail of the target train are accurately positioned through the two-dimensional precise ranging capability of the UWB and the triangular positioning principle, the occupation scope of the target train on the train running track can be determined, the accurate train parking position can be ensured by the metro depots, whether the target train is complete or not can be further determined, and the complete marshalling of the target train is ensured.

The invention discloses a method and device for measuring air resistance of a train. According to the characteristic that the air resistance of the train is substantially unrelated to the train mass and other resistances are in direct proportion to the train mass in the total resistance of the train, the air resistance of the train and other resistances of the train are decoupled from each other through train inertia measurement and total resistance conjoint analysis under different load conditions; therefore, the measurement problem of the air resistance of the train is solved; effective means are provided for completion of operation resistance formulas of middle and high speed passenger trains, evaluation of energy conservation design of the train, high speed train power configuration, train aerodynamics researches and the like; and important engineering significances are obtained.

The invention discloses a train arrival tracking interval time compression method based on arrival and departure line application, and the method comprises the steps: obtaining a calculation method ofarrival tracking interval time under a segmented unlocking condition through the analysis of a train tracking process under the segmented unlocking condition, and compressing the train arrival tracking interval time based on an arrival and departure line application scheme optimization method. The method has the advantages that the method is simple; on the basis of an existing train receiving route segmented unlocking technology, through a reasonable arrival and departure line application optimization method, the time from the clearing of associated turnouts to the clearing of throats of a preceding train in the train arrival tracking interval time is shortened, the compression effect on the train arrival tracking interval time of domestic large railway passenger stations is good, and theapplication range is wide.

The invention discloses a heavy-load train speed tracking control method and system, and the method comprises the steps: building a multi-particle unit shift model of a train, enabling an error between the actual operation speed of the train and a target speed to be minimized by adopting an auto-disturbance rejection control method based on robust self-adaption, and therefore, the anti-interference capability of the heavy-load train is improved, and the high-precision tracking control of the train on the target speed is realized.

The invention provides a dynamic safety analysis method for a train virtual formation. The method comprises the following steps: S1, obtaining train parameter information and line operation parameter information in a line; s2, establishing a single-vehicle motion model of the train, and obtaining a state updating equation of the train; s3, establishing a virtual formation train operation model under the relative coordinate system according to the state updating equation; s4, calculating the minimum safety distance between trains; s5, establishing a space-time set C, and calculating the distances between different trains in real time through the space-time set C so as to judge whether the trains are in a dangerous state or not. According to the method, the distance between the two trains is circularly calculated in real time through the space-time set C, so that risks are reduced to the maximum extent, and the train operation safety is improved.

The invention relates to a dual-system hook of railway train, wherein it comprises: a joint hook and hook with connecting pin hole, and two U-shaped chain hooks, while the connections between them are in U-shaped connected via connecting pins, to form the movable joint whose joint hook and chain hook can rotate; based on the hook type, it can rotate to the drawing direction, to connect two systems; the chain hook has simple structure, long service life and high reliability; and the joint hook and chain hook can meet the demands that the track heights at each track are same, and meet the demands of total load as 3000t; and the invention can use the general hook frame and national buffer of 13-th hook, to transmit the drawing force and impact force between vehicles.

The embodiment of the invention provides a method and a system for testing an interval occupation logic checking function of a train control center, relates to the technical field of railway signal system test, and is used for ensuring the test accuracy of the interval occupation logic checking function of the train control center and improving the test efficiency and reducing the test cost. The method comprises the steps: obtaining line data; determining a test item and an expected test result of the test item according to the line data and a test item generation instruction; detecting whether the test item include restart or not, and if yes, restarting the train control center by remotely controlling the power supply equipment; processing the test item according to the execution operation instruction corresponding to the test item to obtain an actual test result of the test item; and judging whether the actual test result is consistent with the expected test result, and recording a judgment result. The method and the system are used for testing the interval occupation logic checking function of the train control center.

The invention discloses a train operation safety protection system without secondary train occupation detection equipment, and the system comprises an initial train position marking module which enables a dispatcher to mark the section occupation information corresponding to the initial train positions of all trains manually through ATS before the system is powered on, a train tracking initialization list module which is used for initializing a train tracking list by the ATS according to the marked section occupation information and sending the train tracking initialization list to the trackside ZC; and a running train position tracking module which is used for tracking the positions of all trains by the trackside ZC in the running process of the trains. According to the invention, the train operation safety protection can be realized when no secondary train occupies the detection equipment, and the safety protection problem of the signal system when no secondary train occupies the detection equipment for auxiliary protection is effectively solved.

The invention relates to a train rout control method and system applicable to low-density railways. According to the method, the capacity of vehicle-mounted equipment is improved by taking satellite positioning as basis and adopting 'vehicle-mounted centralization' and by improving the function of the vehicle-mounted equipment, ground rout control and interlocking functions are transferred to thevehicle-mounted equipment, and a vehicle-vehicle communication and vehicle-mounted computation movement authority technology are adopted to realize vehicle-mounted centralization, so as to complete vehicle-mounted rout control. Compared with the prior art, the method and the system have the advantages of being optimized system structure and increasing the working efficiency of the system.

The invention provides a control method and device for a train based on moving block. The method comprises the steps that an upgrading requirement of a train to be upgraded is received, wherein the upgrading requirement includes a real-time position of the train to be upgraded; a train entering sequence of a train section where the train to be upgraded is located is obtained, and a train in frontof the train to be upgraded is determined; traveling permission information of the train to be upgraded is calculated according to the communication condition and position of the front train; and thetraveling permission information is sent to a train-mounted device of the train to be upgraded for the train-mounted device to restore upgrading according to the traveling permission information. According to the technical scheme, the traveling permission information of the train to be upgraded is calculated according to the communication condition and position of the train in front of the train to be upgraded to make the train restore the upgrading state, the upgrading efficiency is greatly improved, and thus the running efficiency of the train is improved.

The invention provides a positioning method, device and system of a train, and a storage medium. The positioning method of the train comprises the steps that the initial position and the train speed of the train are obtained, and the real-time position of the train is determined according to the initial position of the train and the result of time integration operation of the train speed; identification information of a base station in communication connection with the train at the first moment is obtained, and signal strength of the base station is determined; and according to the pre-storedcorresponding relationship between the signal strength and the position of the base station, the position corresponding to the signal strength of the base station is determined; and the real-time position of the train is corrected through the position corresponding to the signal strength of the base station, and thus the real-time position of the train at the first moment is obtained. The train ispositioned through the base station beside a track, the positioning result of time integration of the speed is corrected, the positioning efficiency and positioning accuracy of the train during breakdown of a signal system can be improved, and the traveling safety of the train is guaranteed.

The invention discloses a method for determining a hinge angle of linear stable reversing of a semitrailer train. The hinge angle is divided into a stable domain and a feasible domain according to thechange characteristics of the hinge angle of the semitrailer train during backing-up driving, so an induction prompt can be given to prevent a driver from reversing the semitrailer train to a dangerous or unreasonable working condition, then the safety and the linear reversing efficiency of the semitrailer train during reversing can be improved, and double guarantees are provided for the safety and the logistics efficiency of the driver.