CN117657250A - Train network-based flexible marshalling train vehicle-mounted ATC main control detection method and system - Google Patents
Train network-based flexible marshalling train vehicle-mounted ATC main control detection method and system Download PDFInfo
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Abstract
The invention provides a train network-based flexible marshalling train vehicle-mounted ATC main control detection method and system, comprising the following steps: step S1: selecting a master control ATC based on the on-board ATCs of the marshalling trains; step S2: the main control ATC completes initialization based on the current train position and the running direction, and the main control ATC is used for controlling the running of the train after the initialization; step S3: in the running process of the train, the vehicle-mounted main control ATC is detected in real time based on the track side system, and when the main control ATC needs to be switched, the main control ATC is switched. The invention aims to solve the problems that the vehicle-mounted ATC system cannot provide a protection function due to the main control change of the train after the flexible marshalling train is re-marshalled, so that the operation efficiency is reduced, and the invention has high reliability, is simple and easy to realize, and reduces the dependence on a vehicle-mounted circuit.
Description
Technical Field
The invention relates to the technical field of rail transit signal systems, in particular to a vehicle-mounted ATC main control detection method and system for a flexible marshalling train based on a train network.
Background
In the field of rail transit, in order to flexibly configure the carrying capacity of the vehicle according to the passenger flow, the number of the train groups is generally adjusted in a flexible grouping train coupling/uncoupling mode, and when the flexible grouping train is used for re-grouping the coupling/uncoupling mode, a plurality of sets of vehicle-mounted VATC systems exist in the whole grouping train, if the main control right of the vehicle-mounted VATC systems cannot achieve uniqueness and continuity, the signal system cannot protect the re-grouped train, and the train can only be degraded to operate in a manual mode, so that the operation efficiency of the whole line is greatly reduced. In order to solve the problem, the invention provides a vehicle-mounted VATC master control detection method for a fully-automatic operation flexible marshalling train based on a train network, which has high reliability, simplicity and easy realization.
Patent document CN114872758A (application number 202210568616.3) discloses a main control selection system of a vehicle-mounted ATC of a fully automatic operation flexible grouping train, which comprises a train main control circuit and a vehicle-mounted ATC main control logic; the train main control circuit includes: a master enabling relay, a master train relay, a master cut relay and a master train line; the master control enabling relay and the master control train relay are both interconnected with the vehicle-mounted ATC, and the master control cutting relay is interconnected with the master control train line; the vehicle-mounted ATC main control logic comprises an output command and an input state; the output commands comprise a master enabling command and a master train command; the input states include master train relay feedback, master cut relay feedback, master trainline state, train length state and train mode state.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a train network-based flexible marshalling train on-board ATC main control detection method and system.
The invention provides a flexible marshalling train on-board ATC main control detection method based on a train network, which comprises the following steps:
step S1: selecting a master control ATC based on the on-board ATCs of the marshalling trains;
step S2: the main control ATC completes initialization based on the current train position and the running direction, and the main control ATC is used for controlling the running of the train after the initialization;
step S3: in the running process of the train, the vehicle-mounted main control ATC is detected in real time based on the track side system, and when the main control ATC needs to be switched, the main control ATC is switched.
Preferably, the step S1 employs: after the vehicle-mounted system is electrified, the vehicle-mounted ATC reads the vehicle number of the vehicle-mounted system; the ATC detects the number of train groups according to the train length detection circuit, each group vehicle-mounted ATC system establishes communication with a vehicle management system TMS through a vehicle network to send the vehicle number where the vehicle-mounted ATC is located and the vehicle-mounted ATC system state, the vehicle management system TMS receives the vehicle number summary sent by each group ATC and returns each group ATC, the vehicle-mounted ATC searches the vehicle-mounted system state of each group to meet the preset condition, and the vehicle-mounted ATC with the minimum vehicle number is the main control system.
Preferably, the step S2 employs: the position and the running direction of the train are identified through the positioning equipment on the ground, the main control ATC completes initialization based on the currently identified position and the running direction of the train, and the trackside system completes registration of the standby ATC.
Preferably, the step S3 employs: the current master control ATC receives the master control car number sent by the track side system and judges whether the master control car number is valid or not; if not, continuing to keep the current master control car; if the information is effective, the current master control ATC sets the train number selected by the track side system as the master control ATC, the original master control ATC gives up the master control, and the ATC system taking over the master control controls the train to continue running.
Preferably, the step S3 employs: the non-master control vehicle-mounted ATC is in a standby state, a control command is not sent, and the non-master control vehicle-mounted ATC takes over train control right at any time when the master control ATC fails.
Preferably, the step S3 employs: if the current master control ATC and the track side system lose communication, but are in normal communication with the vehicle management system, the track side system selects other marshalling vehicle-mounted ATCs to take over the master control; the current master control ATC judges that other ATCs send master control requests by receiving TMS information of the vehicle management system, the master control is continuously kept until the switching countdown is finished, the selected master control ATC system synchronously takes over the master control to finish the master control ATC switching, and if the current master control ATC does not detect other vehicle-mounted ATCs to request the master control, the master control is continuously kept to control the train to operate.
The invention provides a flexible marshalling train on-board ATC main control detection system based on a train network, which comprises the following components:
module M1: selecting a master control ATC based on the on-board ATCs of the marshalling trains;
module M2: the main control ATC completes initialization based on the current train position and the running direction, and the main control ATC is used for controlling the running of the train after the initialization;
module M3: in the running process of the train, the vehicle-mounted main control ATC is detected in real time based on the track side system, and when the main control ATC needs to be switched, the main control ATC is switched.
Preferably, the module M1 employs: after the vehicle-mounted system is electrified, the vehicle-mounted ATC reads the vehicle number of the vehicle-mounted system; the ATC detects the number of train groups according to the train length detection circuit, each group vehicle-mounted ATC system establishes communication with a vehicle management system TMS through a vehicle network to send the vehicle number where the vehicle-mounted ATC is located and the vehicle-mounted ATC system state, the vehicle management system TMS receives the vehicle number summary sent by each group ATC and returns each group ATC, the vehicle-mounted ATC searches the vehicle-mounted system state of each group to meet the preset condition, and the vehicle-mounted ATC with the minimum vehicle number is the main control system.
Preferably, the module M2 employs: the position and the running direction of the train are identified through the positioning equipment on the ground, the main control ATC completes initialization based on the currently identified position and the running direction of the train, and the trackside system completes registration of the standby ATC.
Preferably, the module M3 employs: the current master control ATC receives the master control car number sent by the track side system and judges whether the master control car number is valid or not; if not, continuing to keep the current master control car; if the information is effective, the current master control ATC sets the train number selected by the track side system as the master control ATC, the original master control ATC gives up the master control, and the ATC system taking over the master control controls the train to continue to run;
the module M3 employs: the non-master control vehicle-mounted ATC is in a standby state, a control command is not sent, and the non-master control vehicle-mounted ATC takes over train control rights at any time when the master control ATC fails;
the module M3 employs: if the current master control ATC and the track side system lose communication, but are in normal communication with the vehicle management system, the track side system selects other marshalling vehicle-mounted ATCs to take over the master control; the current master control ATC judges that other ATCs send master control requests by receiving TMS information of the vehicle management system, the master control is continuously kept until the switching countdown is finished, the selected master control ATC system synchronously takes over the master control to finish the master control ATC switching, and if the current master control ATC does not detect other vehicle-mounted ATCs to request the master control, the master control is continuously kept to control the train to operate.
Compared with the prior art, the invention has the following beneficial effects:
1. the vehicle-mounted ATC main control detection design is based on a software algorithm and a vehicle network, does not depend on a vehicle-mounted circuit, is simple in design, high in availability and easy to expand.
2. The invention can support the track side system to manually or automatically select the vehicle-mounted main control ATC system, provides various inverted master control ATC detection mechanisms and has high operation flexibility.
3. The invention has reasonable structure, ingenious design, low cost and easy maintenance.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a flexible consist train hitch.
Fig. 2 is a flow chart of a method for detecting the on-board ATC master control of a flexible marshalling train based on a train network.
Fig. 3 is a flow chart for detecting, identifying positioning and running direction of the on-board ATC of the power-on master control of the flexible marshalling train and completing initialization.
Fig. 4 is a flow chart of master control on-board ATC detection after initialization of the flexible consist train.
Fig. 5 is a flow chart of master control on-board ATC switching after initialization of the flexible consist train.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
Example 1
According to the method for detecting the vehicle-mounted ATC master control of the flexible marshalling train based on the train network, which is provided by the invention, as shown in fig. 2, the method comprises the following steps: train-mounted ATC master control logic, a vehicle management system, a vehicle network and train length detection;
step S1: when the vehicle-mounted ATC system is electrified, the ATC detects the number of train groups according to the train length detection circuit, the vehicle-mounted ATC systems of the groups are electrified and then communicate with a vehicle management system (TMS), the vehicle number of the vehicle-mounted ATC is sent, the vehicle management system receives all vehicle-mounted ATC information through a vehicle network and then sends each group ATC, and the vehicle-mounted ATC identifies the vehicle-mounted ATC with good equipment state and the minimum vehicle number as a main control system. The method for detecting the vehicle-mounted ATC master control of the flexible marshalling train based on the train network can be executed. Wherein, the vehicle management system (TMS) is used for realizing the control (such as doors, air conditioners, illumination, traction braking and the like) of train equipment by disposing a set of vehicle management systems in each marshalling train. The vehicle-mounted ATC communicates with the vehicle-mounted ATC through a network interface, and realizes the detection of the main control ATC and the control of train operation.
Step S2: the vehicle-mounted driver uses the detected master control ATC to control the running of the train, and the vehicle-mounted ATC system sends an initialization request and completes initialization through positioning equipment (beacons) installed on the ground and identifying the position and running direction of the train.
Step S3: and all the vehicle-mounted ATCs receive the master control car numbers sent by the track side system and judge whether the master control car numbers are valid. If the current master control car is invalid, the current master control car is kept continuously, if the current master control car is valid, the train number selected by the on-board ATC set track side system is the master control ATC, the master control ATC gives up the master control, and the master control ATC system controls the train to continue to run. The non-master control vehicle-mounted ATC is in a standby state, a control command is not sent, and train control right can be taken over at any time when the master control ATC fails.
Step S4: when the master control switching occurs, the current master control ATC judges whether communication with the track side is lost, at the moment, the track side system selects other marshalling vehicle-mounted ATCs as the master control, the current master control ATCs judge whether other ATCs send master control requests by receiving TMS information of the vehicle management system, the master control is kept until the switching countdown is finished, the selected master control ATC system takes over the master control to finish the master control switching, and if the current master control ATC does not detect other vehicle-mounted ATCs to request the master control, the master control is kept continuously to control the train to operate.
More specifically, as shown in fig. 1 and 3, after the vehicle-mounted system is powered on, the vehicle-mounted device ATC reads the system configuration (such as the vehicle number) and parses the database, and enters a ready state after completion. The ATC detects the number of train groups according to the train length detection circuit, and each group of vehicle-mounted equipment ATC respectively establishes communication with a vehicle management system (TMS) to send the current vehicle number of the vehicle-mounted equipment. The vehicle management system gathers the information sent by each group of vehicle-mounted devices and replies to the vehicle-mounted ATC devices. The vehicle-mounted ATC searches the vehicle numbers of the vehicle-mounted equipment in each group and judges the communication state, and the minimum available vehicle-mounted equipment vehicle number is identified. Firstly, the vehicle-mounted equipment ATC judges the number of train marshalling, and if the train is a single marshalling train, the current vehicle-mounted ATC is set as a master control vehicle. If the train is a multi-group train, the vehicle-mounted ATC of the minimum train number is set as the master control train. Then, the vehicle-mounted driver can control the train to run in a manual mode, the vehicle-mounted ATC sends an initialization request and completes initialization through positioning equipment installed on the ground and identifying the position and running direction of the train.
As shown in fig. 4, the ATC receives the master car number sent by the track side system, and determines whether the master car number is valid. If the current master control car is invalid, the current master control car is kept continuously, and if the current master control car is valid, the vehicle-mounted master control car is received, and the vehicle-mounted ATC selected by the track side is set as the master control unit. Each marshalling vehicle-mounted ATC transmits a main control state to the vehicle management system, and receives each marshalling vehicle-mounted ATC number and the main control state transmitted by the vehicle management system. The ATC judges that the main control state request is valid and the ATC equipment number is different from the current vehicle-mounted ATC equipment number, other vehicle-mounted ATCs request main control, otherwise, the current vehicle-mounted ATCs are kept to continue main control.
As shown in fig. 5, the vehicle-mounted ATC executes the following switching logic according to the identified master ATC, the original master ATC gives up the master, and the newly identified master ATC takes over the master.
Each marshalling vehicle-mounted ATC judges whether the current main control unit is:
if the current vehicle-mounted ATC is not the main control unit, the main control state is cleared;
if the current vehicle-mounted ATC is a main control unit, further judging whether the communication between the current vehicle-mounted ATC and the track side system is normal; if the information of the track bypass is judged to be normal, the current vehicle-mounted ATC master control state is maintained;
if the communication with the track side system is lost, further judging whether the communication with the vehicle management system is normal or not;
if the judgment is normal in communication with the vehicle management system and the other vehicle-mounted ATCs of the judgment request the master control, the current vehicle-mounted master control ATCs start to count down until the master control is finished, the master control is abandoned and the master control request state is cleared, and the other vehicle-mounted ATCs become new master control ATCs; if the judged vehicle-mounted ATC of the other vehicles does not request the main control, the current vehicle-mounted ATC main control state is maintained.
If the communication with the vehicle management system is lost, double faults occur, and the current vehicle-mounted ATC gives up the master control. Other consist train on-board ATCs may be selected as master.
The invention also provides a train network-based flexible train consist vehicular ATC master control detection system, which can be realized by executing the flow steps of the train network-based flexible train consist vehicular ATC master control detection method, namely, the skilled person can understand the train network-based flexible train consist vehicular ATC master control detection method as the preferred implementation mode of the train network-based flexible train consist vehicular ATC master control detection system.
Those skilled in the art will appreciate that the invention provides a system and its individual devices, modules, units, etc. that can be implemented entirely by logic programming of method steps, in addition to being implemented as pure computer readable program code, in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers, etc. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units for realizing various functions included in the system can also be regarded as structures in the hardware component; means, modules, and units for implementing the various functions may also be considered as either software modules for implementing the methods or structures within hardware components.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. A flexible marshalling train on-board ATC main control detection method based on a train network is characterized by comprising the following steps:
step S1: selecting a master control ATC based on the on-board ATCs of the marshalling trains;
step S2: the main control ATC completes initialization based on the current train position and the running direction, and the main control ATC is used for controlling the running of the train after the initialization;
step S3: in the running process of the train, the vehicle-mounted main control ATC is detected in real time based on the track side system, and when the main control ATC needs to be switched, the main control ATC is switched.
2. The method for detecting the on-board ATC master control of a flexible marshalling train based on a train network according to claim 1, wherein the step S1 employs: after the vehicle-mounted system is electrified, the vehicle-mounted ATC reads the vehicle number of the vehicle-mounted system; the ATC detects the number of train groups according to the train length detection circuit, each group vehicle-mounted ATC system establishes communication with a vehicle management system TMS through a vehicle network to send the vehicle number where the vehicle-mounted ATC is located and the vehicle-mounted ATC system state, the vehicle management system TMS receives the vehicle number summary sent by each group ATC and returns each group ATC, the vehicle-mounted ATC searches the vehicle-mounted system state of each group to meet the preset condition, and the vehicle-mounted ATC with the minimum vehicle number is the main control system.
3. The method for detecting the on-board ATC master control of a flexible marshalling train based on a train network according to claim 1, wherein the step S2 employs: the position and the running direction of the train are identified through the positioning equipment on the ground, the main control ATC completes initialization based on the currently identified position and the running direction of the train, and the trackside system completes registration of the standby ATC.
4. The method for detecting the on-board ATC master control of a flexible marshalling train based on a train network according to claim 1, wherein the step S3 employs: the current master control ATC receives the master control car number sent by the track side system and judges whether the master control car number is valid or not; if not, continuing to keep the current master control car; if the information is effective, the current master control ATC sets the train number selected by the track side system as the master control ATC, the original master control ATC gives up the master control, and the ATC system taking over the master control controls the train to continue running.
5. The method for detecting the on-board ATC master control of a flexible marshalling train based on a train network according to claim 1, wherein the step S3 employs: the non-master control vehicle-mounted ATC is in a standby state, a control command is not sent, and the non-master control vehicle-mounted ATC takes over train control right at any time when the master control ATC fails.
6. The method for detecting the on-board ATC master control of a flexible marshalling train based on a train network according to claim 1, wherein the step S3 employs: if the current master control ATC and the track side system lose communication, but are in normal communication with the vehicle management system, the track side system selects other marshalling vehicle-mounted ATCs to take over the master control; the current master control ATC judges that other ATCs send master control requests by receiving TMS information of the vehicle management system, the master control is continuously kept until the switching countdown is finished, the selected master control ATC system synchronously takes over the master control to finish the master control ATC switching, and if the current master control ATC does not detect other vehicle-mounted ATCs to request the master control, the master control is continuously kept to control the train to operate.
7. The utility model provides a train network-based on-vehicle ATC master control detecting system of nimble marshalling train which characterized in that includes:
module M1: selecting a master control ATC based on the on-board ATCs of the marshalling trains;
module M2: the main control ATC completes initialization based on the current train position and the running direction, and the main control ATC is used for controlling the running of the train after the initialization;
module M3: in the running process of the train, the vehicle-mounted main control ATC is detected in real time based on the track side system, and when the main control ATC needs to be switched, the main control ATC is switched.
8. The train network-based flexible consist train on-board ATC master control detection system of claim 7 wherein the module M1 employs: after the vehicle-mounted system is electrified, the vehicle-mounted ATC reads the vehicle number of the vehicle-mounted system; the ATC detects the number of train groups according to the train length detection circuit, each group vehicle-mounted ATC system establishes communication with a vehicle management system TMS through a vehicle network to send the vehicle number where the vehicle-mounted ATC is located and the vehicle-mounted ATC system state, the vehicle management system TMS receives the vehicle number summary sent by each group ATC and returns each group ATC, the vehicle-mounted ATC searches the vehicle-mounted system state of each group to meet the preset condition, and the vehicle-mounted ATC with the minimum vehicle number is the main control system.
9. The train network-based flexible consist train on-board ATC master control detection system of claim 7 wherein the module M2 employs: the position and the running direction of the train are identified through the positioning equipment on the ground, the main control ATC completes initialization based on the currently identified position and the running direction of the train, and the trackside system completes registration of the standby ATC.
10. The train network-based flexible consist train on-board ATC master control detection system of claim 7 wherein the module M3 employs: the current master control ATC receives the master control car number sent by the track side system and judges whether the master control car number is valid or not; if not, continuing to keep the current master control car; if the information is effective, the current master control ATC sets the train number selected by the track side system as the master control ATC, the original master control ATC gives up the master control, and the ATC system taking over the master control controls the train to continue to run;
the module M3 employs: the non-master control vehicle-mounted ATC is in a standby state, a control command is not sent, and the non-master control vehicle-mounted ATC takes over train control rights at any time when the master control ATC fails;
the module M3 employs: if the current master control ATC and the track side system lose communication, but are in normal communication with the vehicle management system, the track side system selects other marshalling vehicle-mounted ATCs to take over the master control; the current master control ATC judges that other ATCs send master control requests by receiving TMS information of the vehicle management system, the master control is continuously kept until the switching countdown is finished, the selected master control ATC system synchronously takes over the master control to finish the master control ATC switching, and if the current master control ATC does not detect other vehicle-mounted ATCs to request the master control, the master control is continuously kept to control the train to operate.
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| CN202311695513.4A CN117657250A (en) | 2023-12-08 | 2023-12-08 | Train network-based flexible marshalling train vehicle-mounted ATC main control detection method and system |
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| CN202311695513.4A CN117657250A (en) | 2023-12-08 | 2023-12-08 | Train network-based flexible marshalling train vehicle-mounted ATC main control detection method and system |
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