Train radio transmission control system

FIELD: transport.

SUBSTANCE: invention relates to train radio communication systems and may be used for centralised dispatcher control at railway transport. Proposed system comprises automated workstation of train dispatcher arranged at central dispatcher station with its PC connected via digital interface with stationary control post radio station which, via wire dispatcher communication channel, is connected with stationary radio stations of intermediate stations. Every stationary radio station is connected via digital radio channel with locomotive onboard radio stations in zone of stable radio communication. Locomotive onboard radio station is connected via onboard digital interface with onboard control device. Locomotive is equipped with unit determining train location boundaries and message generator connected via onboard digital interface with onboard control device. Central dispatcher control center is equipped with message serves connected via communication digital interface with personal computer of automated train dispatcher workstation.

EFFECT: higher reliability and safety.

1 dwg

 

The invention relates to systems of the train radio and can be used for centralized Supervisory control of railway transport.

Known system train radio communication containing administrative stationary station, Central station dispatcher, connected through a wired channel control communication with the stationary radio stations, intermediate stations of a section, and each of these stationary radio stations through the analog radio frequency range of 2 MHz is connected to the onboard radio stations locomotives, being with them in the area of reliable radio communications Devices of railway automatics, telemechanics and communication" edited Dvesha, s). A disadvantage of the known systems is the limited functionality with respect to the management message transfer, due to the analog modulation methods and the fact that between the master and the Manager provided voice communication only in simplex mode.

The closest known control systems data transmission over the train radio is adopted as a prototype system control messages over the car radio from the Transport Devices of railway automatics, telemechanics and communication" edited DVS Lagina, s)containing Central station Supervisory control workstation train dispatcher, a personal computer through which local digital communication interface is connected with a stationary administrative station through a wired channel intercom connected with the stationary radio stations, intermediate stations, each of the stationary radio stations via digital radio channels (in this case, the frequency range 330 MHz) connected to the onboard radio stations locomotives that are in the area of sustainable radio and on-Board radio to the locomotive via the onboard digital communication interface connected to the onboard control unit of a locomotive.

The known system has enhanced functionality due to the duplex mode of communication between drivers and the dispatcher and the possibility of transmission of coded digital information messages. A disadvantage is that a responsible voice messages from drivers train dispatcher (for example, messages about the place of the emergency train stop) are arbitrary, and group messages communicated to the excess number of participants due to the excessive or Vice versa insufficient for recognition of messages number of iterations. About the has also the possibility of parallel time of transmission (in case of emergency: emergency stop drop shipping etc) voice messages addressed to the operators of neighboring trains, and simultaneously conducting the necessary negotiations with the train dispatcher. It slows down the dissemination of urgent information, generates the dissemination of inaccurate and unnecessary information, and ultimately creates the preconditions for violations of the technological discipline Supervisory control train traffic.

The technical result of the invention is to improve the technological discipline by improving the efficiency and reliability of generation and transmission of critical messages over the car radio.

The technical result of the invention is achieved in that in the system control messages over the car radio that contains the Central station Supervisory control workstation train dispatcher, a personal computer which is connected via a digital interface for communication with the stationary administrative station through a wired channel intercom connected with the stationary radio stations, intermediate stations, each of the stationary radio stations via the digital radio channel connected to the onboard radio stations locomotives that are in the area of sustainable radio and on-Board radio station locomotive through b is revoy digital communication interface connected to the onboard control device, according to the invention installed on the locomotive unit determining the boundaries of the location of the train and the set of messages using the on-Board digital communication interface connected to the onboard control device and the Central station Supervisory control server is installed message via the digital communication interface is connected with a personal computer workstation train dispatcher.

The drawing shows a structural diagram of the proposed system control messages over the car radio.

System control messages over the car radio contains the Central post 1 Supervisory control workstation 2 train dispatcher, the personal computer 3 which is connected via a digital interface 4 connection with stationary administrative station through a wired channel 6 intercom connected with the stationary radio stations 7 intermediate stations, each of the stationary radio 7 via the digital channel 8 is connected to the onboard radio stations 9 10 locomotives that are in the area of sustainable radio and on-Board radio 9 locomotive 10 via the onboard digital interface 11 connection connected to the onboard device control 12, on Lok is the motive 10 installed unit 13 define the boundaries of the location of the trains and the block 14 forming messages through the on-Board digital interface 11 connection connected to the onboard device control 12, and the Central post 1 Supervisory control server is installed 15 message via the digital interface 4 connection connected to the personal computer 3 workstation 2 train dispatcher.

System control messages over the car radio works as follows.

As you move the locomotive 10 airborne radio 9 of each locomotive 10 listens for broadcast on different frequencies (for TV connection) to select fixed stations, which can be organized better communication. To call a train a train dispatcher using the keyboard (not shown) on the automated workplace 2 dials the number. Code message contains the number of the locomotive 10, to which it is addressed. The system also provides group call drivers of locomotives 10. Address codogram alternately passed all fixed stations 5 and 7 at all frequencies digital radio channels 8. She is taken onboard radio 9 of each locomotive 10 and compared with the number that is dialed by the operator before you travel to the remote control of the on-Board radio 9 locomotive 10. When matching on a particular h is the frequency of transmission of the transmitted rooms with room onboard radio 9 it transmits the confirmation signal, making codogram for the respective fixed stations 5 or 7. Next, the confirmation signal through the wired channel 6 control communication is transmitted in fixed administrative radio 5, and it provides a further link only between the respective pair of stationary and locomotive radios connected. In the negotiation process engineer to call a train dispatcher clicks on the remote side device 12 controls the call soft key, and then (if necessary) can press a function key to automatically generate the desired message from the standard set of messages. The display workstation 2 train dispatcher appears the number of the called trains and the text of the message transmitted. Train dispatcher depending on the type and content of the message sends in response to his command to the locomotive 10 or enter into negotiations with the operator. If the period of employment channel, an urgent need arises for the transmission of information to the train dispatcher, the driver can use the function key emergency call. In this case, regardless of the location of the locomotive organized channel of communication with the train dispatcher and the driver voice informs about the reason for the emergency call. In case of emergency, simultaneously with a call to a train dispatcher, is about a group for all locomotives channel emergency communication operator can send emergency voice message to a predefined type from a predefined set of messages. Messages are automatically synthesized by block 14 forming messages depending on pressing the corresponding function key on the remote control of the onboard device control 12. Each such message is a standard phrase seated as necessary variable data obtained from the on-Board unit 12 of the control.

For example, after an emergency stop of the locomotive on-Board device control 12 through block 13 define the boundaries of the location of the train determines the location coordinates of the head and tail of the train. For this purpose all subsystems on-Board unit 12 controls together to calculate accurate and reliable information. For example, if the onboard device control 12 includes a known subsystem CLUB-(see EN 2248899), to determine the coordinates of the block 13 define the boundaries of the location of the trains used information from the onboard GPS receiver, wheel sensor distance traveled, as well as information about the length of the train and plan the path from the electronic route card.

The calculated coordinate values are used by the block 14 forming messages to determine on an electronic map of the route in the on-Board device 12 controls the names of the closest point and distance from him in kilometers and pickets poleskaloro identification system for head and tail of the train.

For example, a message may appear on the display of the onboard device control 12 as follows: "Train No. 111, following in the direction from the station "Forest" to the station "lake", stopped by the emergency braking system for the 21st kilometer near the 4th picket in 16 hours and 12 minutes. The end of the composition is 20 kilometres near 8th picket station "Lesnaya". If the train driver confirms the information provided in the generated standardized message, the message is supplied symptom confirmation and immediately sent to the onboard device control 12 via on Board radio 9 group channel to all nearby locomotives (usually the radius of the direct connection between stations 9 is not less than 10 km) and separately through fixed stations 7 intermediate stations, wireless dispatch communication channel 6, the stationary administrative radio 5 and through the local digital interface 4 connection to the server 15 messages. Sending messages is stored using a registration device onboard device control 12. If the train driver does not presses a function key or does not confirm the information, then after a short period of time emergency messages generated by the system and automatically sent to and registered with the characteristic lack of participation Masha the East. Depending on the type of train, the content of the emergency message may be different. For example, during an emergency stop freight trains must warn trains on adjacent tracks, about the possibility of falling on these paths cargo, possibly stripped trains during emergency braking.

If necessary, the server 15 of the messages based on the primary text message can synthesize the corresponding voice message. Text and voice messages are transmitted to the personal computer 3 workstation 2 train dispatcher for later playback. To play the voice message in the composition of the workstation 2 has a device for sound playback. In accordance with the priority on the importance of the personal computer 3 displays messages from the message queue and displays for train dispatcher of all text messages. Train dispatcher sends the locomotive 10 signal recognition of the next message and then decides to relay it to other members of the technological process with additions and changes that he can enter via keyboard workstation 2. Messages can be sent to drivers neighboring train # 111 trains, the list of which can the be automatically generated in the personal computer 3, for example a request to the subsystem performance monitoring schedule (GUIDE URALS), or the maintenance crews. Response text and voice message from the train dispatcher before dialogue with the operator of the calling trains can be generated automatically in the automated workplace 2 by pressing the corresponding function keys. Then it can automatically be sent on train No. 111. This may be the answer as follows: "the Engineer of train No. 111, train dispatcher understood You, wait your turn for voice communication session within 2 minutes." This message is reproduced on the locomotive in the form of text and/or voice messages using the on-Board unit 12 of the management, having in its composition voice informer. The fact that the message was received from the train dispatcher the locomotive 10 and its subsequent recognition can be confirmed for a train dispatcher by sending a standard response message from the locomotive, each time after pressing the operator function key confirmation in the on-Board device control 12. For example, this may be the answer: "the Engineer of train No. 111 message from train dispatcher understood.

Next, simultaneously with automatic distribution of standardized messages machinist, Poezd the th Manager can conduct the necessary negotiations on a separate communication channel.

Thus, in the proposed system provided with: a parallel transmission of emergency messages from the locomotive to the other locomotives and train dispatcher, the exact wording of the seats and causes of events. An important part of the dialogue between members of the movement occurs automatically and logged in clear standard form. All together this will help accelerate action to control the movement and increase the technological discipline.

System control messages over the car radio that contains the Central station Supervisory control workstation train dispatcher, a personal computer which is connected via a digital interface for communication with the stationary administrative station through a wired channel intercom connected with the stationary radio stations, intermediate stations, each of the stationary radio stations via the digital radio channel connected to the onboard radio stations locomotives that are in the area of sustainable radio and on-Board radio station locomotive via the onboard digital communication interface connected to the onboard control device, characterized in that the locomotive is set to block boundary determining the location of the train and the set of messages that cerebrovas digital communication interface connected to the onboard control device, and Central station Supervisory control server is installed message via the digital communication interface is connected with a personal computer workstation train dispatcher.



 

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9 cl, 4 dwg

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2 cl, 2 dwg

FIELD: radio communication.

SUBSTANCE: system of technological radio communication through digital channels comprises managing-radio station with digital interface and panels of operational radio communication in single dispatcher control centre. Each intermediate station is equipped with stationary radio station with digital interface and control panels. Stationary radio stations are combined in ring serially with managing-radio stations with the help of dedicated primary digital channel of technological digital circuit and main digital circuit. Each train locomotive is equipped with portable radio station. In single dispatcher centre there are managing-radio stations connected serially with the help of dedicated primary digital channel, at the same time channel comprises D-channel and B-channels for each section of technological radio communication. In single dispatcher control centre, additional outlet of each managing-radio station is connected to system of monitoring and administration data transfer, to which two servers are connected, being joined to computer devices of automated workplaces for control of technological radio communication system and single system of monitoring and administration.

EFFECT: improved reliability of technological radio communication system.

2 cl, 2 dwg

FIELD: transport.

SUBSTANCE: system contains central control room and distributed controlled points accommodating devices of EC (electric centralisation) posts and devices of remote control and remote signalling of centralised dispatching control. Central control room accommodates stationary computer of automated working place connected via the first interface module with remote control and signalling devices of centralised dispatching control, and via the second interface module - with transport management system. In locomotives automatic train driving system is installed which includes computer connected with visualisation device, locomotive power unit and automatic locomotive signalisation device. Locomotive also has radio modems installed on it which are connected to on-board computer and antenna units. In central control room and controlled points stationary radio modems connected with stationary antenna units and communication controllers are located. The controllers are connected by their first ports via modems to communication backbone and by their second ports - to stationary radio modems. In central control room the communication controller is connected with working place stationary computer the dedicated port of which is connected with train traffic organisation parameters optimisation modes control unit.

EFFECT: improvement of dispatching control efficiency, traffic-carrying capacity of railway hauls and stations, lowering electric energy consumption for traction and lowering psychophysiologic stress for drivers and dispatchers.

2 dwg

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