CN104149821A - Method and device of active interval protection between trains for train operation control system - Google Patents
Method and device of active interval protection between trains for train operation control system Download PDFInfo
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- CN104149821A CN104149821A CN201410325270.XA CN201410325270A CN104149821A CN 104149821 A CN104149821 A CN 104149821A CN 201410325270 A CN201410325270 A CN 201410325270A CN 104149821 A CN104149821 A CN 104149821A
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Abstract
The invention relates to a method and device of active interval protection between trains for a train operation control system, wherein the device comprises a vehicle-mounted controller, an operation management system, an operation topology graph manager and a rail side executing unit. The method comprises the following steps: (1) initializing the system; (2) judging whether a train requests enters a signal control area; (3) entering a train insertion management sub-system in charge of identifying and distributing the train entering the signal control area from a non-signal control and updating an operation topology graph; (4) judging whether a train needs to exit the signal control area; (5) entering a train exiting management sub-system in charge of managing operation of the train exiting the signal control area; (6) judging whether a train is in a main track operation mode; (7) entering a train main track operation management sub-system in charge of operation of the main track train. Compared with the prior art, the method and device of active interval protection between trains for the train operation control system have the advantages of improving reliability, reducing construction, operation and maintenance cost and the like. In addition, the reaction speed of the system is high.
Description
Technical field
The present invention relates to a kind of train operation control system, especially relate to a kind of train for train operation control system initiatively interval means of defence and device.
Background technology
City rail traffic signal system all adopts the train control system (CBTC based on communication at present, Communication Based Train Control) as its solution, this system is to be based upon on the control of trackside equipment and the basis of detection to the control of train, as shown in Figure 1 in CBTC system, train allows trackside control convenience obtain the location information of train by active position report, trackside control convenience provides mobile authorization information by vehicle-ground wireless communication for every train after obtaining the location information of all trains, the mobile authorization information operation that train provides according to trackside control convenience.The system of this CBTC model with reference to IEEE1474 definition, the interval protection between train largely needs to depend on a large amount of computings of trackside control convenience, and operation result is sent to vehicle-mounted on train, to realize the interval protection between train.From information control flow, this mode has increased the reaction time of whole system, has reduced the efficiency of transportation; Because the degree of participation of trackside control convenience is too high, when trackside control convenience is lost partial function, signal system cannot be controlled train, badly influence operation on the other hand.
Summary of the invention
Object of the present invention is exactly to provide a kind of train for train operation control system initiatively interval means of defence and device in order to overcome the defect of above-mentioned prior art existence.
Object of the present invention can be achieved through the following technical solutions:
A train active interval means of defence for train operation control system, is characterized in that, comprises the following steps:
1) system initialization;
2) judged whether train request entering signal control area, if yes, execution step 3); Otherwise, execution step 4);
3) enter train and insert ADMINISTRATION SUBSYSTEM, for being responsible for train from the renewal of identification, distribution and the operation topo graph of non-signal control area entering signal control area, and perform step 4);
4) judged whether that train need to exit signal control region, if yes, execution step 5), otherwise execution step 6);
5) enter train and exit ADMINISTRATION SUBSYSTEM, for being responsible for train, exit the management of signal control area operation, and perform step 6);
6) judged whether that train is main track operational mode, if yes, execution step 7), otherwise execution step 8);
7) enter train main track operation management subsystem, for being responsible for the operation of main track train, carrying out effective use management of train and personnel's safety precaution, execution circuit and train resources, and perform step 8);
8) judge whether shutdown system, if yes, finish, otherwise, return to step 2).
It is as follows that described train inserts ADMINISTRATION SUBSYSTEM specific works process:
The backward operation management system in border, train entering signal control area sends the request of insertion, and whether operation management system enters and judge train according to pre-conditioned, does not unsuccessfully provide corresponding information, by manually intervening if condition does not meet can insert; If condition meets system, can distribute corresponding identifier and operation topo graph is upgraded for this train, and send the operation topo graph after upgrading to train, train transfers pattern to main track operational mode after receiving operation topo graph, by main track operation management subsystem, is managed.
It is as follows that described train exits ADMINISTRATION SUBSYSTEM specific works process:
When train changes into after the mode of secession, if system detects behind the border that train exited signal control area, system should reclaim the identifier of this train, and the operation topo graph of system is upgraded.
Described train main track operation management subsystem specific works process is as follows:
For entering the train of main track running state, mobile unit calculates the identifier of its relevant upstream and downstream train according to cross-channel information and operation topo graph, and according to this identifier train request downstream the other side's location information;
Receive after location information by based on this this train of positional information calculation to all non dominated points in the Ji Gai path, path of downstream train, if there is track switch in non dominated point, need to confirm whether this track switch needs to change position, track switch needs first this track switch to be checked and guaranteed without other train occupation before changing position, after confirmation, block and prevent that other train from taking over this track switch for use, after blockade, track switch is changed to position;
Train is system update operation topo graph when through turnout passing, and train needs to confirm that all non dominated points in this path have changed into slave mode before calculating mobile authorization according to downstream column truck position, and track switch has been set to requisition state;
After all conditions meets, train carries out the calculating of mobile authorization and according to this mobile authorization, the operation of train is controlled;
After controlled point before train has passed through in path, system should revert to uncontrolled state by these controlled points in time, and track switch is set to non-requisition state.
Described system initialization comprises system hardware and software is carried out to self check, the memory field of the safe related software in relevant device is carried out to verification and refresh.After system initialization success, can accept the request that train enters this signal control area, and start successively corresponding main subsystem.Due to real-time control system, system is all the time in the implementation in these three main subsystems, when system occurs unexpectedly can automatically going to closing flow path after abnormal.
A kind of train for train operation control system is the device of interval means of defence initiatively, it is characterized in that, comprise Vehicle Controller, operation management system, operation topo graph manager and trackside performance element, between equipment, by data communication network, connected, because data communication network is the universal product, at this, can think transparent transmission, do not rely on concrete model and the standard of data communication network equipment, described Vehicle Controller, trackside performance element with operation management system between any two for being connected all the time, the information of transmitting between them is train pattern and position, the state of trackside equipment, functional information such as control information to trackside performance element under particular case, described Vehicle Controller, operation topology manager and trackside performance element are between any two for connecting as required, between Vehicle Controller and Vehicle Controller, can transmit request/response message and the operation topo graph of train position, between Vehicle Controller and trackside performance element, can transmit control command and the feedback of status of trackside equipment, Vehicle Controller provides the relative position of oneself request to upgrade operation topo graph to operation topo graph manager when needed.
Described Vehicle Controller will receive the cross-channel order of operation management system and oneself state be fed back to operation management system for monitoring, described trackside performance element by the state transfer of self to operation management system for monitoring, at the situation operation management system of manual intervention, the trackside performance element of appointment is sent to control command.
Between described Vehicle Controller by request-reply to obtain location information and to calculate mobile authorization, described Vehicle Controller is directly controlled trackside performance element and is carried out and obtain corresponding state information from trackside performance element; Described operation topology manager is responsible for the management of running train order, for each trackside controller provides running train order information.
Compared with prior art, the present invention has the following advantages:
1, system response speed is fast, owing to adopting the vehicle-mounted mode of directly directly calculating mobile authorization based on downstream column truck position, the mode that need to collect, calculate and transmit via trackside control convenience with respect to existing system, the speed of response of system is greatly improved;
2, improved reliability, owing to no longer not having mobile authorization to have a strong impact on the situation of operation because trackside control convenience fault causes the train in whole region, and in native system, both made to occur that mobile unit fault also only can have influence on limited train, failure recovery also can be rapider with respect to existing system, so the reliability of system has increased significantly;
3, reduced construction and O&M cost, owing to reducing trackside control convenience type and quantity, construction and O&M cost can significantly reduce;
4, be more suitable for transformation and extension line engineering, because the most of function of whole system is all by vehicle-mounted control, for both wired transformation and extension, can the in the situation that of reservation both wired signaling mode, carry out, transformation or extension line project are more easily implemented.
Accompanying drawing explanation
Fig. 1 is CBTC signal system block diagram;
Fig. 2 is main flow chart of the present invention;
Fig. 3 is the workflow diagram that the train in the present invention inserts ADMINISTRATION SUBSYSTEM;
Fig. 4 is the workflow diagram of the train main track operation management subsystem in the present invention;
Fig. 5 is the workflow diagram that the train in the present invention exits ADMINISTRATION SUBSYSTEM;
Fig. 6 is apparatus structure schematic diagram of the present invention;
Fig. 7 is the operation scene schematic diagram that the present invention gives an example.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
Figure 2 shows that main flow of the present invention, Fig. 3, Fig. 4 and Fig. 5 are respectively each subsystem flow process in main flow.System adopts executions that circulate of Event triggered mode, completes to train the operation control in signal area, comprises that train entering signal region, train operation and the train in signal area exits signal area.This sentences wrong 1 and does not find Reference source.For example is described in detail each step in conjunction with diagram of circuit:
Assumed initial state is that the successful initialization of step M1 system completes, train A and train C normally move in signal area, train B is just preparing to insert signal area operation, train C is just preparing to exit signal area operation, the initial launch topo graph of train is " S-P3T-P3N-101-P4N-P4T, P3R-P1R, P4R-P2R, P2N-P2T-P1T-P1N-102-E ", wherein S and E distinguish the border of representation signal control area, P1, P2, P3, P4 represents the track switch in circuit, T, N and R represent respectively the switch blade of track switch, after the trouble of location and after antiposition trouble, as P3T represents the switch blade of P3 track switch, "-" represents annexation, ", " represent that equipment room does not connect and need to separate.Then go to step M2.
In main flow, in step M2, system discovery train B request entering signal control area, proceeds to train and inserts ADMINISTRATION SUBSYSTEM step M3 processing.
In train insertion ADMINISTRATION SUBSYSTEM, in step C1, train B sends to system the request of insertion when checking own processed signal Zone control border.Then go to step C2.
In step C2, system checks according to default condition (as train quantity limitation etc.), and the defined open ended train quantity of supposing the system is 100 row, now in system, has 2 trains in operation, meets the demands, and allows its entering signal control area.Then go to step C3.
In step C3, system is that train B distributes identifier 103, and system is moved to topo graph in step C4 and be updated to " S-103-P3T-P3N-101-P4N-P4T; P3R-P1R; P4R-P2R; P2N-P2T-P1T-P1N-102-E ", this topo graph and cross-channel information are together issued train B in step C5, and in step C7, train B transfers the pattern of oneself to main track operational mode after receiving these information.Then go to step M4.
In step M4, because train C need to exit signal area, proceed to train and exit ADMINISTRATION SUBSYSTEM step M5 processing.Then go to step T1.
In step T1, train sends the request of exiting, in step T2, train C transfers the state of oneself to pattern out of service, system checks at step T3 whether train C has exited signal control region, if train C has exited signal control region, after the time delay of 5 seconds, it is " S-103-P3T-P3N-101-P4N-P4T, P3R-P1R; P4R-P2R, P2N-P2T-P1T-P1N-E " that system will be upgraded operation topo graph in step T4.Then go to step M6.
In step M6, because train B has changed into main track operational mode, proceed to train main track running subsystem step M7 and process.
In step R1, train B knows that according to the cross-channel that obtains and operation topo graph the downstream train of oneself is 101 is train A.Then go to step R2.
In step R2, train B asks the location information of train A immediately to train A, and in step R3, calculate this car to the corresponding path of train A for " S-103-P3T-P3N-101 " and non dominated point thereof are track switch P3, but this switch location is correctly without change, otherwise need to perform step R5, step R6 and step mule R7.In step R8, system update operation topo graph is " S-103-P3T-P3N-101-P4N-P4T, P3R-P1R, P4R-P2R, P2N-P2T-P1T-P1N-E ".In step R9, track switch P3 is set to requisition state, step R10 is set to slave mode by all P3, is checked through P3 and in the slave mode of expectation, will goes to step R12 and process, if condition does not meet and will forward step R13 to and provide and point out and finish in step R11.In step R12, vehicle-mounted B calculates this car to the distance of A car as the mobile authorization of train B and by this mobile authorization operation.In step R14, system is set to track switch uncontrolled state after turnout passing P3 at train B, and cancels requisition sign.Then go to step M2.
If occur abnormal in system operational process or need artificial shutdown system will go to step M8, whole system will be closed.
As shown in Figure 6, Vehicle Controller in native system will receive the cross-channel order of operation management system and oneself state be fed back to operation management system for monitoring, described trackside performance element by the state transfer of self to operation management system for monitoring, at the situation operation management system of manual intervention, the trackside performance element of appointment is sent to control command.Between described Vehicle Controller by request-reply to obtain location information and to calculate mobile authorization, described Vehicle Controller is directly controlled trackside performance element and is carried out and obtain corresponding state information from trackside performance element; Described operation topology manager is responsible for the management of running train order, for each trackside controller provides running train order information.For Fig. 7 example, system need to configure 3 cover Vehicle Controllers, 4 cover trackside performance elements, 1 cover operation management system and 1 cover operation topo graph manager.
Claims (8)
1. for a train active interval means of defence for train operation control system, it is characterized in that, comprise the following steps:
1) system initialization;
2) judged whether train request entering signal control area, if yes, execution step 3); Otherwise, execution step 4);
3) enter train and insert ADMINISTRATION SUBSYSTEM, for being responsible for train from the renewal of identification, distribution and the operation topo graph of non-signal control area entering signal control area, and perform step 4);
4) judged whether that train need to exit signal control region, if yes, execution step 5), otherwise execution step 6);
5) enter train and exit ADMINISTRATION SUBSYSTEM, for being responsible for train, exit the management of signal control area operation, and perform step 6);
6) judged whether that train is main track operational mode, if yes, execution step 7), otherwise execution step 8);
7) enter train main track operation management subsystem, for being responsible for the operation of main track train, carrying out effective use management of train and personnel's safety precaution, execution circuit and train resources, and perform step 8);
8) judge whether shutdown system, if yes, finish, otherwise, return to step 2).
2. a kind of active of the train for train operation control system according to claim 1 interval means of defence, is characterized in that, it is as follows that described train inserts ADMINISTRATION SUBSYSTEM specific works process:
The backward operation management system in border, train entering signal control area sends the request of insertion, and whether operation management system enters and judge train according to pre-conditioned, does not unsuccessfully provide corresponding information, by manually intervening if condition does not meet can insert; If condition meets system, can distribute corresponding identifier and operation topo graph is upgraded for this train, and send the operation topo graph after upgrading to train, train transfers pattern to main track operational mode after receiving operation topo graph, by main track operation management subsystem, is managed.
3. a kind of active of the train for train operation control system according to claim 1 interval means of defence, is characterized in that, it is as follows that described train exits ADMINISTRATION SUBSYSTEM specific works process:
When train changes into after the mode of secession, if system detects behind the border that train exited signal control area, system should reclaim the identifier of this train, and the operation topo graph of system is upgraded.
4. a kind of active of the train for train operation control system according to claim 1 interval means of defence, is characterized in that, described train main track operation management subsystem specific works process is as follows:
For entering the train of main track running state, mobile unit calculates the identifier of its relevant upstream and downstream train according to cross-channel information and operation topo graph, and according to this identifier train request downstream the other side's location information;
Receive after location information by based on this this train of positional information calculation to all non dominated points in the Ji Gai path, path of downstream train, if there is track switch in non dominated point, need to confirm whether this track switch needs to change position, track switch needs first this track switch to be checked and guaranteed without other train occupation before changing position, after confirmation, block and prevent that other train from taking over this track switch for use, after blockade, track switch is changed to position;
Train is system update operation topo graph when through turnout passing, and train needs to confirm that all non dominated points in this path have changed into slave mode before calculating mobile authorization according to downstream column truck position, and track switch has been set to requisition state;
After all conditions meets, train carries out the calculating of mobile authorization and according to this mobile authorization, the operation of train is controlled;
After controlled point before train has passed through in path, system should revert to uncontrolled state by these controlled points in time, and track switch is set to non-requisition state.
5. a kind of train for train operation control system according to claim 1 interval means of defence initiatively, it is characterized in that, described system initialization comprises system hardware and software is carried out to self check, the memory field of the safe related software in relevant device is carried out to verification and refresh.
6. one kind implements the claims the initiatively device of interval means of defence of the train for train operation control system arbitrary in 1-5, it is characterized in that, comprise Vehicle Controller, operation management system, operation topo graph manager and trackside performance element, described Vehicle Controller, trackside performance element and operation management system are between any two for being connected all the time, and described Vehicle Controller, operation topology manager and trackside performance element are between any two for connecting as required.
7. a kind of train for the train operation control system according to claim 6 device of interval means of defence initiatively, it is characterized in that, described Vehicle Controller will receive the cross-channel order of operation management system and oneself state be fed back to operation management system for monitoring, described trackside performance element by the state transfer of self to operation management system for monitoring, at the situation operation management system of manual intervention, the trackside performance element of appointment is sent to control command.
8. a kind of train for the train operation control system according to claim 6 device of interval means of defence initiatively, it is characterized in that, between described Vehicle Controller by request-reply to obtain location information and to calculate mobile authorization, described Vehicle Controller is directly controlled trackside performance element and is carried out and obtain corresponding state information from trackside performance element; Described operation topology manager is responsible for the management of running train order, for each trackside controller provides running train order information.
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| CN110364032A (en) * | 2019-07-19 | 2019-10-22 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Aircraft enters protection zone method and system, management aircraft methods and system |
| CN111469891A (en) * | 2020-04-03 | 2020-07-31 | 雷冰 | Driving route planning processing method and device, computer device and storage medium |
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