122 results about "Automatic train protection" patented technology

The invention discloses a train stopping control method and system. The method comprises the following steps: adjusting the speed of a train to arrive at a station to a station entrance speed which is obtained by an automatic train protection curve and an in-station limit speed; when the train arrives at the station, determining the current distance between the train and an operation parking spot according to a received pulse signal sent by positioning synchronization points preset on a track; calculating a recommending speed corresponding to the current distance through a train control algorithm according to the current distance between the train and the operation parking spot, and adjusting the current speed of the train; and exerting a recommended brake gear on the train to reduce the speed and stop the train when the train passes through the last positioning locating synchronization point. According to the technical scheme provided by the invention, the influence caused by low speed measurement resolution is reduced; and the train can accurately stop in the station under various speed measurement resolutions.

A universal Automatic Train Protection ATP vehicle mounted system and mode control method. The invention mainly uses digital signal processing and safe redundant control technology, designs a safe Protection Automatic control system which can receive many varieties of ground vehicles information transmission modus, realize the combination of the train speed steps control and the first-order speed-distance model curve and realize the generalization of vehicle automatic protection system vehicle mounted equipments. And the ground vehicles information transmission modus consists of analog and digital track circuit, responder, GSM-R transmission, 2.4GHz wireless transmission, etc. the safe protect control is the safe braking model control using the combination of speed steps and first-order speed-distance model curve. The system mainly consists of power module, ground vehicles information transmission reception module, central processing module, recording module and man-machine interface MMI module, etc. The beneficial result is getting a solving program for users on the base of reducing construction costs and intercommunicating transport operation.

The invention discloses an intelligent transport system for an urban railway based on safety communication. The intelligent transport system for the urban railway comprises a DCS (data communication system), an ATS (automatic train supervision), an ATP (automatic train protection), an ATO (automatic train operation), a DTO (driverless train operation) and a MMS (maintenance management system), wherein the ATS, the ATP, the ATO, the DTO and the MMS realize the network connection through the DCS. The intelligent transport system for the urban railway has the advantages that the proper Internet storm influence of a CBTC (communication based train control) is favorably overcome, the safety problem of the train-ground wireless communication is favorably solved, the man-machine interface of the CBTC is favorably unified, the linkage efficiency among the systems under the emergency condition is improved, the ease maintenance of the system is enhanced, and the complete network operation scheme is provided.

The invention relates to an automatic train protection system and method based on image identification and multi-perception fusion. The automatic train protection system comprises an image collection unit (1), an image processing unit (2), a multi-perception fusion processing unit (3), an auxiliary perception unit (4) and an early warning result output unit (5), wherein the image collection unit (1), the image processing unit (2), the multi-perception fusion processing unit (3) and the early warning result output unit (5) are connected in sequence; the auxiliary perception unit (4) is connected with the multi-perception fusion processing unit (3). Compared with the prior art, the automatic train protection system and method based on image identification and multi-perception fusion can be adapted to complex conditions appearing in urban mass transit operation lines, the safe protection of a train is automatically realized according to the practical condition of a line, and the operation safety of urban mass transit is greatly improved.

The invention discloses a train tracking interval real-time early warning system based on CTC (central traffic control) and an early warning method, which belong to the field of high-speed train safety control technology. A dispatching center subsystem early warning server of the system consists of an early warning server and a dispatching command output unit, an application server of the dispatching center subsystem consists of a train number tracking unit and a wireless checking unit, vehicular equipment comprises a wireless train number vehicular encoder, and the system comprises a wireless train number decoder. The method includes acquiring a train number from decoded train comprehensive information by the aid of the wireless checking unit, comparing the acquired train number with a train number obtained by the train number tracking unit, and acquiring an accurate and reliable train number; and computing tracking intervals of a train by the aid of the early warning server, and controlling the dispatching command output unit to output control instruction according to a computation result. The train tracking interval real-time early warning system based on CTC and the early warning method form double channels with an ATP (automatic train protection) computation tracking interval method, a monitoring effect for a train tracking interval ATP control effect is realized, and integral safety of a train control system is improved.

The invention discloses a train control system adapting to existing line reconstruction. The train control system adapting to existing line reconstruction comprises ground equipment and on-board equipment. The ground equipment comprises an interlocking system, a parallel-port LEU and an active balise which are mounted in a station and connected sequentially, wherein the parallel-port LEU combines contact states of the interlocking system into access selection conditions and sends station messages to the corresponding active balise, and when a train passes through an acting range of the active balise, the active balise sends the corresponding station message to the on-board equipment of the train. The on-board equipment comprises a BTM (balise transmission module), a BTM antenna and an automatic train protection system, wherein when the train passes through the acting range of the active balise, the BTM receives the station messages sent by the active balise and sends the station messages to the automatic train protection system for subsequent processing. The train control system adapting to existing line reconstruction has the advantage that access information is sent to the on-board BTM through the station messages to enable a driver to acquire correct access information directly, so that the train pull-in risk that the driver selects wrong access information due to misoperation is avoided.

The invention discloses a full-automatic operation control system of a rail transit car depot or parking lot. The full-automatic operation control system comprises a train-ground communication subsystem, a train locating subsystem, an automatic train protection subsystem and a train automatic operation subsystem, wherein the train-ground communication subsystem is used for sending speed codes or movement authority information to the automatic train protection subsystem; the train locating subsystem is used for providing train position information and rectifying the distance measuring result of the automatic train protection subsystem; the automatic train protection subsystem is used for monitoring the running speed of a train; and the train automatic operation subsystem is used for realizing automatic operation of the train. The system can be used for improving the safety of traveling operation in the car deport and the parking lot, reducing the labor intensity of a driver and avoiding the influence of slow operation of a train inlet/outlet section on main track operation sequence; and meanwhile, the system is compatible with a main track and an existing system, can adapt to new construction and renovation projects, can be easily realized and does not need more investment.

The invention discloses an automatic train turn-back control method and system. The automatic train turn-back control method includes that the safe connection is established between and the registration is performed on an ATP (Automatic Train Protection) system which is arranged at the tail end of a train and a ZC (Zone Controller) under the condition that the connection between an ATP system which is arranged at the head end of the train and the ZC is kept after the train enters a turn-back rail from a first platform rail to accurately and stably stop, wherein the mark number of the ATP system which is arranged at the head end of the train is different from the mark number of the ATP system which is arranged at the tail end of the train; the ATP system which is arranged at the head end of the train and the ATP system which is arranged at the tail end of the train are simultaneously communicated with the ZC until the train prepares to pull out of the turn-back rail; the train is controlled by an ATO (Automatic Train Operation) system which is arranged at the tail end of the train to pull out of the turn-back rail to enter a second platform rail. According to the automatic train turn-back control method and system, the success rate of the turn-back of the train can be improved.

The present invention provides a CTCS-3 onboard device for automatic train operation and a rail transit vehicle, wherein the CTCS-3 onboard device for automatic train operation comprises: an interface module (10) and a train control command generating module (11), wherein the interface module (10) is connected to the train control command generating module (11), an automatic train protection device (20), and a train control interface (21), respectively; the train control command generating module (11) exchanges information with the automatic train protection device (20) and the train control interface (21) via the interface module (10); and the train control command generating module (11) is used to generate train control commands according to information received via the interface module (10), and transmit the train control commands to the train control interface (21) via the interface module (10), so that devices connected to the train control interface (21) can obtain and execute the commands. The CTCS-3 onboard device for automatic train operation and the rail transit car according to the present invention can efficiently and automatically control a high-speed train, which in turn enables the smooth operation and stopping precision, thereby improving passenger comfort and satisfaction.

The invention discloses a method for quickly positioning a dormant train based on storage memory. The method comprises the following steps of firstly, enabling a train to enter a dormancy waking area, memorizing the train position before dormancy by train-mounted ATP (automatic train protection) or trackside ATP, and enabling the train to enter the dormant state; then, after the train is waked up from the dormant state, enabling a position detection device arranged in the train dormancy waking area to obtain the effective positioning information of the train, and combining the effective positioning information of the train and the memorized position information of the train before dormancy to check the train position, and judging whether the train is allowed to enter a positioning state or not; finally, after the train enters the positioning state, enabling the train-mounted ATP to report the position information to the trackside ATP, and converting the tracking mode of the train from a previous NTQB (dormant rain tracking mode) into TVB (communication train tracking mode) after the trackside ATP receives the position information. The method has the advantage that when a skipping interface is not provided between the train and a signal system, the train can also be quickly positioned.

An apparatus and method for controlling train speed are disclosed, the method including receiving an operation data, estimating a future train speed subsequent to a predetermined time of the train, using the operation data and dynamics model of a train, calculating a TTSLC {Time-To-Speed-Limit Crossing, a time when the train exceeds an ATP (Automatic Train Protection) speed limit}, and outputting a deceleration command by determining an additional braking force, in a case the TTSLC is smaller than a predetermined threshold.

The invention discloses a train operation control method, an automatic train protection (ATP) system and a China train control system 3 (CTCS-3) control unit. The train operation control method comprises: when a train is in the CTCS-3 state, receiving a running licence transmitted by a track circuit and a running licence transmitted by a radio signal; and controlling the train operation according to the running licence transmitted by the track circuit and the running licence transmitted by the radio signal. The ATP system comprisesa track circuit receiver (TCR) and the CTCS-3 control unit, wherein the TCR is used for receiving the running licence transmitted by the track circuit; and the CTCS-3 control unit is used for receiving the running licence transmitted by the track circuit through the TCR, receiving the running licence transmitted by the radio signal provided by a radio blockade center (RBC), and controlling the train operation according to the running licence transmitted by the track circuit and the running licence transmitted by the radio signal. The invention can be used for obviously the train operation safety.

The invention provides an automatic train protection method in a distance-to-go mode. The method comprises analyzing carrier frequencies and code frequencies from received speed step track codes; determining the current position of the train according to the carrier frequencies and a plurality of corresponding code sequences of track segments of the position; determining a code sequence corresponding to the code frequencies according to the code frequencies received by the train at the current position in the plurality of code sequences, and determining corresponding track codes according to the code sequences; analyzing the track codes, and determining the corresponding unoccupied track segment number; obtaining train running permission authorization, that is, the protection distance to go, according to the current position, the unoccupied track segment number and the front path, and calculating a protection curve according to the line condition, wherein the protection train travels at the speed of the protection curve. Compared with traveling according to the speed of speed step track codes, the method has the advantages of being in flexibility and the reliability.

The present invention relates to an automatic train protection stop (ATPS) device. The ATPS of the present invention is provided with both the functions of an automatic train protection (ATP) and an automatic train stop (ATS) by adding a K-Balise, on the ground, which is capable of transmitting ground information using a small air-gap data communication, and a ground information memory pack on a train. The present invention includes an on-board equipment including a main device, an on-board antenna, a speed detector connected to a shaft of wheel, an operation switch, a train controller, and a communication module; and a ground equipment including an ATS beacon connected to a track occupancy detection device, a K-Balise using data communication, and a program part for inputting ground information data to the K-Balise. According to the present invention, it is possible to implement the high-speed data communication and to secure the security and reliability by operating in an available distance in electric source free scheme. Also, it has advantages of self-testing and operation recoding and maintaining functions and the improvement of the stability by protecting the no reaction and malfunctioning.

The invention provides a method for temporary speed limitation in urban rail transit. The method comprises the following steps: after an ATS (Automatic Train Supervision) workstation sets up the temporary speed limitation, a DSU (Data Service Unit) carries out legality check on the temporary speed limitation as well as carries out correctness check on the temporary speed limitation together with the ATS workstation; after the correctness check is passed, the DSU sends out the temporary speed limitation to a ground ATP (Automatic Train Protection) system; the ground ATP system respectively sends the temporary speed limitation to a vehicle-mounted ATP system and a computer interlocking system, so that the vehicle-mounted ATP system executes CBTC (Communications Based Train Control) temporary speed limitation, and the computer interlocking system executes point type temporary speed limitation. The invention also provides a system for the temporary speed limitation in the urban rail transit. The system comprises the ATS workstation, the DSU, the ground ATP system, the vehicle-mounted ATP system and the computer interlocking system. According to the method and the system, the setup, the management, the issuing and the execution of the temporary speed limitation are realized by using typical signal equipment, and the CBTC temporary speed limitation and the point type temporary speed limitation are integrated.

An unmanned suspension maglev train and a control method and system thereof are provided. A passenger recognition system recognizes a passenger through a face recognition technology, and a speech recognition system recognizes a passenger instruction and updates a passenger database. The unmanned system of the train includes: an automatic train protection module, an automatic train monitoring module and an automatic train operation module, wherein the unmanned system operates, organizes, manages and serves the suspended maglev train in an artificial intelligence manner through interaction withthe passenger recognition system and the speech recognition system, thereby realizing intelligent unmanned fdriving and friendly human-vehicle interaction.

The invention relates to a deceleration control system for realizing automatic arrival parking of trains. The deceleration control system comprises an acceleration sensing device arranged on a train, wherein the acceleration sensing device is used for monitoring the real-time acceleration of the train, the braking level command is combined with the real-time acceleration as well as a speed signal and a displacement signal obtained by an ATP (automatic train protection) system for monitoring the train operation to be output to a braking control unit. The signal outputted by the braking control unit is connected to an electrically controlled switching solenoid valve; the inflation and the exhaust of a braking cylinder are automatically controlled; therefore, the deceleration of the train is controlled; and the accurate arrival parking is realized.

The invention relates to an automatic train supervision system and a train tracking method and belongs to an automatic train supervision technique. The train tracking method disclosed by the invention comprises the following steps: receiving data sent from an automatic train protector (ATP) and an interlock system by an automatic train supervision (ATS) system in real time, and performing stepping calculation according to the received data when the data is received each time, thereby realizing train tracking. By adopting the technical scheme of the invention, the train can be continuously tracked during a switching process in a tracking mode and under the conditions of a train communication fault and a non-communication train driving into a monitored scope.

The present invention relates to a fault diagnosis apparatus for a brake of a train, an automatic train operation system operated due to degradation of braking performance using the same, and a fault diagnosis method for the brake of the train. In particular, the present invention is directed to determining that a fault has occurred in the brake when the difference between the current acceleration of the train and the required acceleration is greater than or equal to a reference value and safely moving the train to a stopping point through a powering operation or coasting operation such that emergency braking is not applied by an automatic train protection (ATP) system if the fault has occurred in the brake. When a fault occurs in the brake of the train, the train is automatically operated such that emergency braking is not triggered by an ATP system.

The invention discloses an ATO (automatic train operation) velocity-measuring ranging system. In the system, an ATO system velocity-measuring ranging function is realized by calculating on the basis of ATP data and SRP velocity-measuring ranging unit data. The ATO system is only communicated with an ATP (automatic train protection) unit and an SRP velocity-measuring ranging unit, and connection with a speed sensor, a radar and a BTM processing unit is not needed. Under the condition of meeting the train control precision demand, the purpose of simple and clear structure is achieved. Besides, on the basis of the ATP velocity-measuring ranging data, the information of the SRP velocity-measuring ranging unit is combined by the ATO system, and the velocity-measuring ranging data is corrected, so that the accuracy of the velocity-measuring ranging data meets the train control requirement.

The invention discloses an automatic train protection system for a monorail, and relates to the technical field of train protection systems. A vehicular controller is respectively connected with a wireless communication terminal, a GPS (global positioning system), a human-computer interaction interface, a transponder transmission module, a speed sensor and a train connector unit, the vehicular controller comprises two sets of secure computer cases and one set of train connector case, the secure computers include an I-series secure computer and an II-series secure computer, and the secure computer cases form a 'square' structure capable of improving system availability. According to characteristics of a monorail train, the train is positioned by the ground in a non-contact manner, three-dimensional space positioning of the train is achieved, and safer and richer signal input and output interfaces greatly improve safety and expandability of the automatic train protection system and adapt to a monorail train system.

The invention discloses a method for implementing an automatic generation tool of a track line database. The method comprises a data preparation period and a data operation period. The method is characterized in that: in the data preparation period, data are analyzed on a server, a data analysis program is operated, and according to a prescribed relational table format of the line database, the analyzed data are organized and then stored in a hard disk of the server; and in the data operation period of an automatic train protection (ATP) system, the data in the hard disk of the server is imported into a FLASH of an industrial control computer, the ATP system is started to read the data of the FLASH into the line database of an internal memory, and the line database can normally work. By adoption of the method, the development efficiency of the ATP system is improved, and the working load of a data entry operator is reduced. Moreover, the automatic generation tool adopts an object-oriented programming language and modular design method, so that the system has high expandability and transportability.

The invention discloses train control system on-board equipment, which comprises a track circuit signal reading unit, a line information reading unit and a calculation unit, wherein the track circuit signal reading unit is used for reading a track circuit signal and demodulating the track circuit signal based on two-out-of-two demodulation in a time frequency domain combined mode to acquire train running license information; the line information reading unit is used for reading line information from a ground point type responder; and the calculation unit is used for calculating a speed protection curve of a train by using the training running license information and the line information. The invention also discloses a method for demodulating a track circuit signal. The invention provides ATP (Automatic Train Protection) on-board equipment which meets CTCS-2 level train control system technical specification and can control the train operation in real time.