CN115743250A - Turnout resource management method, logic module and system for CBTC (communication based train control) system - Google Patents
Turnout resource management method, logic module and system for CBTC (communication based train control) system Download PDFInfo
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Abstract
The utility model relates to a CBTC system switch resource management method, logic module and system, through in rail transit train control system, with the management split of switch resource become switch control management and switch through managing two parts, the resource management of switch has been refined from two dimensions of space and time, when different admission trains cross the switch, move the switch time in advance, the switch number of times of operation has been reduced, the tracking interval of train in the switch region has been shortened, the ability of passing through at the station of turning back of urban rail train control system has been shortened by a wide margin, can break through the fortune ability bottleneck of existing circuit, also can provide more sufficient fortune ability reservation for new line construction. The fine management method of the turnout resources is provided based on the accurate positioning of the train, the passing capacity of the train at the turn-back station is improved, and therefore the transport capacity of the line is improved.
Description
Technical Field
The disclosure relates to the technical field of rail transit, in particular to a switch resource management method, a logic module and a system of a CBTC (communication based train control) system.
Background
The urban rail transit signal system realizes real-time control of the train by means of continuous train-ground two-way communication and communication-based train control (CBTC) system, and effectively reduces train running intervals.
In the current CBTC system, the management of turnout resources is that the turnout can be pulled only if a track section where the turnout is located is not occupied by a train; the train on the same route can continuously track and pass through the turnout in a moving blocking mode; the trains of different routes are tracked in a fixed blocking mode, and the next train can be pulled and pass through the turnout only after the previous train leaves the track section where the turnout is located. And when the train passes through the straight track on one side of the up-down single crossover and the up-down double crossover, the turnout on the other side must be locked in the straight direction to perform side protection on the turnout on the side. The mode causes the increase of the train turn-back interval, which becomes a bottleneck restricting the improvement of the operation energy compared with the turn-back interval of two minutes or less required by the current urban rail.
The management of switch resources actually comprises two parts of switch control management and switch passing management. The switch can be pulled as long as the train passes through the movable part of the switch. For trains with different routes, side collision can not occur as long as the trains with different routes do not simultaneously enter the range of the police mark of the turnout and the cross crossover.
In the CBTC system, a CBTC train has accurate positioning, the CBTC system can realize refined turnout resource management based on the accurate positioning of the train, the turnout resources are further subjected to refined management, the operation capacity of train lines is improved, and the technology is to be broken through.
Disclosure of Invention
In order to solve the above problems, the present application provides a switch resource management method, a logic module and a system for a CBTC system.
On one hand, the application provides a switch resource management method of a CBTC system, which comprises the following steps:
defining a turnout movable area and a side defense area, defining the movable area according to the range of a movable part of the turnout, and controlling and managing the turnout; defining a side defense area for each turnout and cross transition line according to the guard range of the police mark of the turnout and the cross transition line, and managing the turnout and the cross transition line;
and (3) switch logic configuration: configuring control management logic for the turnout movable zone, and configuring pass management logic for the side defense zone;
the logic execution of the turnout: acquiring a train type, and executing the control management logic and the passing management logic according to the train type;
wherein the train types include CBTC trains and non-CBTC trains.
As an alternative embodiment of the present application, optionally, the switch control management state of the switch moving area includes:
the state of S1: the turnout mobile zone does not receive a reservation request of a train or the train leaves the turnout mobile zone;
and S2 state: the reservation is not locked, and a reservation request of the train is received;
and S3 state: reserving and locking to a position, and pulling the turnout to the position reserved by the train;
and S4 state: reserving and locking the turnout to a reversed position, and pulling the turnout to the reversed position reserved by the train.
As an alternative embodiment of the present application, optionally, the switch execution logic of the switch moving zone comprises:
e1: s1 (unreserved) to S2 (unreserved)
E1_1: firstly, the turnout is in a reverse position, a movable area is not reserved by any train, then a turnout resource processing module applies for a train to pass through to reserve the turnout to be positioned, and if the turnout movable area is not subjected to cross pressure by the train, the state of the turnout movable area is changed into a reserved unlocked state;
e1_2: firstly, a turnout is positioned, a movable area is not reserved by any train, then a turnout resource processing module applies for a train to pass and reserves the turnout to a reverse position, and if the turnout movable area is not subjected to cross pressure by the train, the state of the turnout movable area is changed into a reserved unlocked state;
e2: s2 (reserved not locked) to S1 (unreserved)
E2_1: firstly, a turnout resource processing module applies for a train to pass through to reserve the turnout to a position, but the turnout is not pulled to a position required by reservation, then a dispatcher cancels the route of the train, and the movable area state of the turnout is changed into an unreserved state;
e2_2: firstly, a turnout resource processing module applies for a train to pass through to reserve the turnout to a reverse position, but the turnout is not pulled to a position required by reservation, then a dispatcher cancels the route of the train, and the movable area state of the turnout is changed into an unreserved state;
e3: s2 (reservation unlocked) to S3 (reservation and locking to position)
E3_1: firstly, the turnout is in a reverse position, the turnout resource processing module applies for a train to pass through to reserve the turnout for positioning, then the object control unit receives the command of the turnout resource processing module to pull the turnout to the positioning and lock, and the movable area state of the turnout is converted into the reserved state and locked to the positioning;
e4: s3 (reserved and locked to position) to S2 (reserved unlocked)
E4_1: firstly, a turnout resource processing module and an object control unit reserve a turnout for a train to be passed and pull and lock the turnout to be positioned, then the turnout loses a table, and the movable area state of the turnout is converted into the reserved unlocked state;
e5: s2 (reservation unlocked) to S4 (reservation and locking to the inverted position)
E5_1: firstly, a turnout is positioned, a turnout resource processing module applies for a train to be passed to reserve the turnout to a reverse position, then an object control unit receives a command of the turnout resource processing module to pull the turnout to the reverse position and lock the turnout, and the movable area state of the turnout is converted into reservation and locked to the reverse position;
e6: s3 (reserved and locked to the inverted position) to S2 (reserved and unlocked)
E6_1: firstly, a turnout resource processing module and an object control unit reserve a turnout for a train, pull and lock the turnout to a reverse position, then the turnout loses a meter, and the movable area state of the turnout is converted into a reserved unlocked state;
e7: s3 (reserved and locked to position) to S1 (unreserved)
E7_1: the turnout movable area is reserved for a train and locked to be positioned, then the train passes through the turnout movable area, and the state of the turnout movable area is changed into an unreserved state;
e7_2: the turnout movable area is reserved for the train and locked to be positioned, then the train is not used, the dispatcher cancels the route of the train, and the turnout movable area is changed into the state of being not reserved;
e8: s1 (unreserved) to S3 (reserved and locked to position)
E8_1: firstly, a turnout is positioned, a movable area is not reserved by any train, then a turnout resource processing module is used for applying for a train to reserve the turnout to the positioning, and if the movable area of the turnout is not pressed by the train, the movable area of the turnout is reserved and locked to the positioning;
e9: s4 (reserved and locked to the inverted position) to S1 (unreserved)
E9_1: the turnout movable area is reserved for the train and is locked to the reverse position, then the train passes through the turnout movable area, and the state of the turnout movable area is changed into the state of not being reserved;
e9_2: the turnout movable area is reserved for the train and locked to the reverse position, the train is not used, then the dispatcher cancels the route of the train, and the turnout movable area is changed into the state of not reserved;
e10: s1 (unreserved) to S4 (reserved and locked in the inverted position)
E10_1: firstly, the turnout is in the reverse position, the movable area is not reserved by any train, then the turnout resource processing module applies for the train to reserve the turnout to the reverse position, and if the turnout movable area is not subjected to cross pressure by the train, the turnout movable area is reserved and locked to the reverse position.
In another aspect of the present application, a logic module is provided, wherein the switch execution logic is stored in the logic module, and when being executed, the switch execution logic displays the switch control management status of the switch moving area.
As an optional embodiment of the present application, optionally, the turnout passing management status of the side defence area includes:
and S5 state: the turnout side defense area and the cross-over line side defense area are not reserved or are reserved and locked successfully but are not authorized for trains to use, and no train is occupied in the side defense area;
and S6 state: the train is authorized to be used by the turnout side defense area and the cross-over line side defense area, but the train does not drive into the turnout side defense area and the cross-over line side defense area;
and S7 state: the train is not authorized to be occupied, the train in the unauthorized use side defence area is positioned in the turnout side defence area and the cross transfer line side defence area, and the turnout side defence area and the cross transfer line side defence area are not authorized but are occupied;
and S8 state: and authorizing occupation, namely authorizing the train to use a side defense area, and authorizing the train to drive into the turnout side defense area and the cross-over line side defense area, wherein the turnout side defense area and the cross-over line side defense area are authorized and occupied.
As an optional embodiment of the present application, optionally, the switch execution logic of the switch side defence areas and the cross-over side defence areas includes:
e11: s5 (unauthorized unoccupied) to S6 (authorized unoccupied)
E11_1: firstly, the turnout is successfully reserved and locked, but is not authorized to be used by a train, and no train is occupied in a side defense area; then the turnout resource processing module authorizes a train, if the side defense area is not pressed by the train, the side defense area authorizes the train to use, but the train does not drive into the side defense area;
e12: s6 (authorization not occupied) to S5 (authorization not occupied)
E12_1: firstly, the turnout resource processing module authorizes a side defense area to be used by a train, but the train stays outside the side defense area, then a dispatcher cancels the access of the train, and the side defense area becomes unauthorized and unoccupied;
e13: s6 (authorization not occupied) to S7 (unauthorized occupied)
E13_1: firstly, the turnout resource processing module authorizes a side defense area to be used by a train, but the train stays outside the side defense area, the train with other side defense areas which are not authorized to be used rushes into the side defense area, the state of the side defense area is changed into unauthorized occupation, and the train cannot use the side defense area;
e14: s7 (unauthorized occupation) to S6 (authorized unoccupied)
E14_1: firstly, a train in another side defense area which is not authorized to use stays in the side defense area, the turnout resource processing module judges that the side defense area cannot authorize the application train, then the unauthorized train opens the side defense area which can authorize the application train, and the application train is outside the side defense area, and the state of the side defense area is changed into authorization unoccupied;
e15: s6 (authorization not occupied) to S8 (authorization occupied)
E15_1: firstly, the turnout resource processing module authorizes a side defence area to a train for use, but the train stays outside the side defence area, and then the train enters the side defence area and the state is changed into authorized occupation;
e16: s8 (authorized occupied) to S6 (authorized unoccupied)
E16_1: there is no such state transition;
e17: s7 (unauthorized occupation) to S5 (unauthorized occupation)
E17_1: firstly, a train with another side defense area which is not authorized to use stays in the side defense area, and other trains do not apply for authorization of the side defense area, then the unauthorized train leaves the side defense area, and the state of the side defense area is changed into unauthorized unoccupied state;
e18: s5 (unauthorized unoccupied) to S7 (unauthorized occupied)
E18_1: firstly, a train with another side defense area which is not authorized to use stays outside the side defense area, and other trains do not apply authorization of the side defense area, then the unauthorized train rushes into the side defense area, and the state of the side defense area is changed into unauthorized occupation;
e19: s8 (authorized occupied) to S5 (unauthorized unoccupied)
E19_1: firstly, the turnout resource processing module authorizes a side defence area to be used by a train, the train enters the side defence area, then the train leaves the side defence area, and the state is changed into unauthorized unoccupied state;
e20: s5 (unauthorized and unoccupied) to S8 (authorized and occupied)
E20_1: there is no such state transition;
on the other hand, the application further provides a logic module, the turnout execution logic is stored in the logic module, and when the turnout execution logic is executed, the turnout passing management state of the side defense area is displayed.
In another aspect of the present application, a switch resource management system of a CBTC system is further provided, including:
the logic module;
the logic module is deployed in the trackside area controller of the CBTC system.
In another aspect of the present application, a switch resource management system of a CBTC system is further provided, including:
the logic module described above;
the logic module is deployed in the vehicle-mounted controller of the CBTC system.
The invention has the technical effects that:
this application is through in track traffic train control system, with the management split of switch resource become switch control management and switch through managing two parts, from the space and two dimension of time resource management of switch that have become more meticulous, when different admission trains cross the switch, move the switch time in advance, the number of times is controld to the switch has been reduced, the interval of pursuing of train in the switch region has been shortened, the ability of passing through at the station of turning back of city rail train control system has been shortened by a wide margin, can break through the fortune ability bottleneck of existing circuit, also can provide more sufficient fortune ability for new line construction and reserve. The fine management method for the turnout resources is provided based on the accurate train positioning, the passing capacity of the train at the turn-back station is improved, and therefore the transport capacity of the line is improved.
Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic view of a turnout mobile zone and a side defence zone of the present invention;
FIG. 2 is a schematic diagram of a state machine for the movable area of the turnout of the present invention;
FIG. 3 is a state machine diagram illustrating a defense area of the present invention;
figure 4 shows a schematic diagram of the post-switchback at the crossover station of the present invention.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.
The invention divides the management of turnout resources into turnout control management and turnout passing management.
As shown in figure 1, the turnout control is carried out by taking a single turnout as a unit, the CBTC train does not pull the side to prevent the turnout when passing through the turnout, the pulling times of the turnout at the turn-back station is reduced, the service life of the turnout at the turn-back station can be greatly prolonged, and the operation accidents caused by turnout faults are reduced.
Example 1
As shown in fig. 1, in one aspect of the present application, a switch resource management method for a CBTC system is provided, which includes the following steps:
1. defining a turnout movable area and a side defense area, defining the movable area according to the range of a movable part of the turnout, and controlling and managing the turnout; defining a side defense area for each turnout and cross transition line according to the guard range of the police mark of the turnout and the cross transition line, and managing the turnout and the cross transition line;
the management of the turnout resources is divided into two parts of turnout control management and turnout passing management.
As shown in fig. 1, the switch control management is performed by defining a moving area for each switch in units of individual switches. And defining a side defense area for each turnout and each cross transition line to carry out turnout passing management. And for the same train, performing turnout control management firstly and then performing turnout passing management to perform time sequence control. The switch control management of one train can be simultaneously carried out with the switch passing management of another train, and the utilization rate of the switch is improved.
2. And (3) switch logic configuration: configuring control management logic for the turnout movable zone, and configuring pass management logic for the side defense zone;
turnout control management
The train route defines the start point, end point and path of the range in which the train can travel. And the turnout resource processing module reserves track equipment resources in a train access for the train, including an immovable track range and a turnout movable area. One switch resource can only be allocated to one train at a time. The reserved states of the movable area of the turnout are as follows: unreserved, reserved unlocked and reserved and locked to position and reserved and locked to flip bit.
The switch can be pulled only after the train leaves the switch moving area. When the train is pressed across the area, the turnout can not be pulled, otherwise the train has the risk of derailment. The movable area of the turnout can be reserved by only one train at the same time, and if the movable area is reserved for two trains at the same time, the movable area has the risk of side collision. When the movable area of the turnout is reserved by a train, the turnout can be pulled to the position required by the train reservation. When the turnout movable area is pulled to a required position and locked, the turnout movable area can be used in subsequent passing management by the train which is applied for reservation.
Turnout pass management
The turnout side defence area and the cross crossover side defence area are provided with two cross branches, and it is required to ensure that when a train enters the area from one branch of the side defence area or is about to enter the area, no other train can enter the area from the other branch, so that the train side collision is caused. Trains using the same leg can be continuously tracked through the side defence areas.
3. The logic execution of the turnout: acquiring a train type, and executing the control management logic and the passing management logic according to the train type;
wherein the train types include CBTC trains and non-CBTC trains.
The invention uses single switch as unit to control switch.
non-CBTC trains include communication trains with precise positioning and faulty or non-equipped trains that cannot obtain precise positioning, and all non-CBTC trains use the track section occupation status of auxiliary positioning systems such as track circuits or axle counting equipment to manage their positions in switch control management and switch passing management. When a non-CBTC train passes through a switch, the train location is considered to cover the entire switch area if the corresponding switch segment is occupied. Only when the switch section becomes free, the train is considered to be out of the corresponding moving area and the side defence area.
By adopting the method for carrying out train positioning management according to the train types, the method can be compatible with non-CBTC trains, and can play the maximum efficiency of the CBTC trains under the mixed running condition of the CBTC trains and the non-CBTC trains.
The switch management of the train needs to be implemented according to different sections, and the switch management logic of the moving area and the side defence area of the application will be described in detail with specific reference to logic drawings.
As shown in fig. 2, the internal logic of the switch move zone is executed, the state machine timing diagram of the switch move zone.
As an alternative embodiment of the present application, optionally, the switch control management state of the switch moving area includes:
the state of S1: the turnout mobile zone does not receive a reservation request of a train or the train leaves the turnout mobile zone;
and 2, state S: the reservation is not locked, and a reservation request of the train is received;
and S3 state: reserving and locking to a position, and pulling the turnout to the reserved position of the train and locking;
and S4 state: reserving and locking the turnout to the reversed position, and pulling the turnout to the reserved reversed position of the train and locking.
The states of the turnout movable zone state machine are as follows:
s1: not reserving;
s2: reserving and not locking;
s3: reserving and locking to positioning;
s4: reserving and locking to a reversed position;
each switch active zone is state switched according to the state machine shown in fig. 2, according to the following state switching logic.
As an alternative embodiment of the present application, optionally, the switch execution logic of the switch moving zone comprises:
e1: s1 (unreserved) to S2 (unreserved)
E1_1: firstly, the turnout is in a reverse position, a movable area is not reserved by any train, then a turnout resource processing module applies for a train to pass to reserve the turnout for positioning, and if the turnout movable area has no train cross pressure, the turnout movable area is in a reserved unlocked state;
e1_2: firstly, a turnout is positioned, a movable area is not reserved by any train, then a turnout resource processing module applies for a train to pass and reserves the turnout to a reverse position, and if the turnout movable area has no train cross pressure, the turnout movable area is in a reserved unlocked state;
e2: s2 (reserved not locked) to S1 (unreserved)
E2_1: firstly, a turnout resource processing module reserves a turnout for a train application to be positioned, but the turnout does not move to a position required to be reserved, then a dispatcher cancels the route of the train, and the movable area state of the turnout is changed into an unreserved state;
e2_2: firstly, a turnout resource processing module reserves a turnout to a reverse position for a train application, but the turnout does not move to a position required by reservation, then a dispatcher cancels the route of the train, and the movable area state of the turnout is changed into an unreserved state;
e3: s2 (reservation unlocked) to S3 (reservation and locking to position)
E3_1: firstly, the turnout is in a reverse position, the turnout resource processing module applies for a train to pass to reserve the turnout for positioning, then the object control unit receives the command of the turnout resource processing module to pull the turnout to the positioning and lock, and the movable area state of the turnout is converted into the reserved state and locked to the positioning;
e4: s3 (reserved and locked to position) to S2 (reserved unlocked)
E4_1: firstly, a turnout resource processing module and an object control unit reserve a turnout for a train and pull and lock the turnout to be positioned, then the turnout loses a meter, and the movable area state of the turnout is converted into the reserved unlocked state;
e5: s2 (reservation unlocked) to S4 (reservation and locking to the inverted position)
E5_1: firstly, a turnout is positioned, a turnout resource processing module applies for a train to reserve the turnout to a reverse position, then an object control unit receives a command of the turnout resource processing module to pull the turnout to the reverse position and lock the turnout, and the movable area state of the turnout is converted into a reserved state and locked to be positioned;
e6: s3 (reserved and locked to the inverted position) to S2 (reserved and unlocked)
E6_1: firstly, a turnout resource processing module and an object control unit reserve a turnout for a train and pull and lock the turnout to a reverse position, then the turnout loses a meter, and the movable area state of the turnout is converted into the reserved unlocked state;
e7: s3 (reserved and locked to position) to S1 (unreserved)
E7_1: the turnout movable area is reserved for the train and locked to be positioned, then the train passes through the turnout movable area, and the state of the turnout movable area is changed into an unreserved state;
e7_2: the turnout movable area is reserved for the train and is locked to be positioned, then the train is not used, the dispatcher cancels the route of the train, and the turnout movable area is changed into the state of not being reserved;
e8: s1 (unreserved) to S3 (reserved and locked to position)
E8_1: firstly, a turnout is positioned, a movable area is not reserved by any train, then a turnout resource processing module is used for applying for a train to reserve the turnout to the positioning, and if the movable area of the turnout has no train cross pressure, the movable area of the turnout is reserved and locked to the positioning;
e9: s4 (reserved and locked to the inverted position) to S1 (unreserved)
E9_1: the turnout movable area is reserved for the train and is locked to a reversed position, then the train passes through the turnout movable area, and the state of the turnout movable area is changed into an unreserved state;
e9_2: the turnout movable area is reserved for the train and is locked to a reversed position, the train is not used, then a dispatcher cancels the route of the train, and the turnout movable area is changed into an unreserved state;
e10: s1 (unreserved) to S4 (reserved and locked to the inverted position)
E10_1: firstly, the turnout is already in the reverse position, the movable area is not reserved by any train, then the turnout resource processing module reserves the turnout to the reverse position for a train application, and if the turnout movable area has no train cross pressure, the turnout movable area becomes reserved and is locked to the reverse position.
In another aspect of the present application, a logic module is provided, wherein the switch execution logic is stored in the logic module, and when being executed, the switch execution logic displays the switch control management status of the switch moving area.
The logic module aiming at the turnout movable zone can be deployed in a CBTC system taking a trackside zone controller as a mobile authorization calculation unit, and can also be deployed in a CBTC system taking a vehicle-mounted controller as a mobile authorization calculation unit.
As shown in FIG. 3, the internal logic of the side defense zone executes, the state machine diagram of the side defense zone.
As an optional embodiment of the present application, optionally, the turnout passing management state of the side defence area includes:
and S5 state: the turnout side defense area and the cross crossover side defense area are reserved or reserved and locked successfully but are not authorized for the train, and no train is occupied in the side defense area;
and S6 state: the train is authorized to be used by the turnout side defense area and the cross-over line side defense area, but the train does not drive into the turnout side defense area and the cross-over line side defense area;
and S7 state: unauthorized occupation, wherein the turnout side defense area and the cross crossover side defense area are unauthorized for trains, unauthorized trains rush into the turnout side defense area and the cross crossover side defense area, and the turnout side defense area and the cross crossover side defense area are occupied;
and S8 state: and authorizing occupation, wherein the turnout side defense area and the cross crossover side defense area are authorized for the train, the train is authorized to enter the turnout side defense area and the cross crossover side defense area, and the turnout side defense area and the cross crossover side defense area are occupied.
The states of the turnout side defense area and the cross transition line side defense area are as follows:
s5: unauthorized unoccupied;
s6: authorization is not engaged;
s7: unauthorized occupation;
s8: authorization occupation;
after the turnout is reserved and locked, the turnout resource processing module judges whether the side defence area can be authorized for the train to use. Each side defence area performs state transition according to the state machine shown in fig. 3, according to the following state transition logic:
as an optional embodiment of the present application, optionally, the switch execution logic of the switch side defence areas and the cross-over side defence areas includes:
e11: s5 (unauthorized unoccupied) to S6 (authorized unoccupied)
E11_1: firstly, the turnout is reserved for a train and is successfully locked, but an unauthorized side defence area is used for the train, and no train is occupied in the side defence area; then the turnout resource processing module authorizes the train, if the side defense area is not transpressured by the train, the side defense area authorizes the train to use, but the train does not drive into the side defense area;
e12: s6 (authorization not occupied) to S5 (authorization not occupied)
E12_1: firstly, the turnout resource processing module authorizes a side defense area to be used by a train, but the train stays outside the side defense area, then a dispatcher cancels the access of the train, and the side defense area becomes unauthorized and unoccupied;
e13: s6 (authorization not occupied) to S7 (unauthorized occupied)
E13_1: firstly, the turnout resource processing module authorizes a side defense area to be used by a train, but the train stays outside the side defense area, other unauthorized trains forcedly enter the side defense area, the state of the side defense area is changed into unauthorized occupation, and the train cannot be authorized to use the side defense area;
e14: s7 (unauthorized occupation) to S6 (authorized unoccupied)
E14_1: firstly, another unauthorized train rushes into a side defense area, a turnout resource processing module judges that the side defense area cannot authorize the train with reserved turnout, then the train in the side defense area leaves the side defense area, the side defense area can authorize the train with reserved turnout, and the state of the side defense area is changed into authorization unoccupied;
e15: s6 (authorization not occupied) to S8 (authorization occupied)
E15_1: firstly, the turnout resource processing module authorizes a side defence area to a train for use, but the train stays outside the side defence area, and then the train enters the side defence area and the state is changed into authorized occupation;
e16: s8 (authorized occupied) to S6 (authorized unoccupied)
E16_1: firstly, the turnout resource processing module authorizes a side defence area to be used by a train, the train drives into the side defence area, then the train rolls out of the side defence area, and the state of the side defence area is changed into authorization unoccupied; (ii) a
E17: s7 (unauthorized occupancy) to S5 (unauthorized unoccupied)
E17_1: firstly, an unauthorized train stays in a side defense area, and other trains do not apply for authorization of the side defense area, then the unauthorized train leaves the side defense area, and the state of the side defense area is changed into unauthorized unoccupied state;
e18: s5 (unauthorized unoccupied) to S7 (unauthorized occupied)
E18_1: firstly, an unauthorized train stays outside a side defense area, and no other train applies for authorization of the side defense area, then the unauthorized train enters the side defense area, and the state of the side defense area is changed into unauthorized occupation;
e19: s8 (authorized occupation) to S5 (unauthorized unoccupied)
E19_1: firstly, the turnout resource processing module authorizes a side defence area to be used by a train, the train also enters the side defence area, then the train leaves the side defence area clearly, and the state is changed into unauthorized unoccupied state;
e20: s5 (unauthorized and unoccupied) to S8 (authorized and occupied)
E20_1: there is no such state transition;
on the other hand, the application also provides a logic module, the logic module stores the turnout execution logic, and when the turnout execution logic is executed, the turnout passing management state of the side defence area is displayed.
The logic module aiming at the side defense area can be deployed in a CBTC system taking the trackside area controller as a mobile authorization calculation unit, and can also be deployed in a CBTC system taking the vehicle-mounted controller as a mobile authorization calculation unit.
With the switch management logic described above, as shown in fig. 4, a move zone and a side defence zone are defined for each switch and a separate side defence zone is defined for the crossover. Train a and train B track returns. Switch SW01 can be held in reverse without pulling, and two trains track continuously through SW01. When the train A starts from the return rail and passes through the movable area of the SW02, the train B can pull the SW02 to the reverse position in advance. When the train A leaves the side defense area of SW02, the train B can pass through SW02.
By adopting the method, the invention carries out turnout control by taking a single turnout as a unit, and the CBTC train does not need to pull the side turnout when passing through the turnout, thereby reducing the pulling times of the turnout of the turn-back station, greatly prolonging the service life of the turnout of the turn-back station and reducing the operation accidents caused by turnout faults.
The logic module of the invention can be deployed in a CBTC system which takes the trackside area controller as the mobile authorization calculation unit, and can also be deployed in a CBTC system which takes the vehicle-mounted controller as the mobile authorization calculation unit, thereby improving the efficiency of the CBTC systems with various architectures.
In the automatic control system of the rail transit train, the management of turnout resources is completed by a mobile authorization unit and an object controller together, the object controller is deployed beside a rail, and a mobile authorization calculation unit can be deployed in a trackside area controller or a vehicle-mounted controller. The present embodiment is not limited.
Therefore, the management of the turnout resources is divided into the turnout control management part and the turnout passing management part. The resource management of the turnout is refined from two dimensions of space and time, when different route trains pass the turnout, the turnout moving time is advanced, the turnout operation times are reduced, the tracking interval of the trains in the turnout area is shortened, the passing capacity of the urban rail train control system in the turn-back station is greatly shortened, the operation capacity bottleneck of the existing line can be broken through, and more sufficient operation capacity reservation can be provided for the construction of a new line.
In this embodiment, the structure and the system composition of the CBTC system are not described in detail in this embodiment.
It should be apparent to those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by hardware related to instructions of a computer program, and the program may be stored in a computer readable storage medium, and when executed, may include the processes of the embodiments of the control methods as described above. The modules or steps of the present invention described above can be implemented by a general purpose computing device, they can be centralized in a single computing device or distributed over a network of multiple computing devices, and they can alternatively be implemented by program code executable by a computing device, so that they can be stored in a storage device and executed by a computing device, or they can be separately fabricated into various integrated circuit modules, or multiple modules or steps in them can be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
It will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by hardware related to instructions of a computer program, and the program may be stored in a computer readable storage medium, and when executed, may include the processes of the embodiments of the control methods as described above. The storage medium may be a magnetic disk, an optical disk, a Read-only memory (ROM), a Random Access Memory (RAM), a flash memory (FlashMemory), a hard disk (hard disk drive, abbreviated as HDD) or a Solid State Drive (SSD), etc.; the storage medium may also comprise a combination of memories of the kind described above.
Example 2
In another aspect of the present application, a logic module is further provided, where the switch execution logic is stored in the logic module, and when the switch execution logic is executed, the switch passing management status of the movable area and the side defense area is displayed.
In the present embodiment, a switch execution logic of a switch moving area and a switch execution logic of a switch-side defense area are configured on one logic module.
Specific execution logic of each logic can be referred to the description of embodiment 1.
Example 3
In another aspect of the present application, a switch resource management system of a CBTC system is further provided, including:
the logic module described above;
the logic module is deployed in the trackside controller of the CBTC system.
Example 4
In another aspect of the present application, a switch resource management system of a CBTC system is further provided, including:
the logic module described above;
the logic module is deployed in a vehicle station controller of the CBTC system.
The logic module can be deployed in a CBTC system taking the trackside area controller as a mobile authorization computing unit, can also be deployed in a CBTC system taking the vehicle-mounted controller as a mobile authorization computing unit, and can improve the efficiency of the CBTC systems with various architectures.
Example 5
Still further, an electronic device is provided, which includes a processor and a memory for storing processor-executable instructions, where the processor is configured to implement a CBTC system switch resource management method as described in any of the above paragraphs when executing the processor-executable instructions.
Embodiments of the present disclosure provide a control system including a processor and a memory for storing processor-executable instructions. Wherein the processor is configured to execute the executable instructions to implement a CBTC system switch resource management method as described in any one of the preceding paragraphs.
Here, it should be noted that the number of processors may be one or more. Meanwhile, in the control system of the embodiment of the present disclosure, an input device and an output device may be further included. The processor, the memory, the input device, and the output device may be connected by a bus, or may be connected by other means, and are not limited specifically herein.
The memory, which is a computer-readable storage medium, may be used to store software programs, computer-executable programs, and various modules, such as: the utility model discloses a program or module that CBTC system switch resource management method corresponds of embodiment. The processor executes various functional applications of the control system and data processing by executing software programs or modules stored in the memory.
The input device may be used to receive an input number or signal. Wherein the signal may be a key signal generated in connection with user settings and function control of the device/terminal/server. The output means may comprise a display device such as a display screen.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (9)
1. A CBTC system turnout resource management method is characterized by comprising the following steps:
defining a turnout movable area and a side defense area, defining the movable area according to the range of a movable part of the turnout, and controlling and managing the turnout; defining a side defense area for each turnout and cross transition line according to the guard range of the police mark of the turnout and the cross transition line, and managing the turnout and the cross transition line;
logic configuration of turnout: configuring control management logic for the turnout movable area, and configuring pass management logic for the side defense area;
the logic execution of the turnout: acquiring a train type, and executing the control management logic and the passing management logic according to the train type;
wherein the train types include CBTC trains and non-CBTC trains.
2. The switch resource management method of a CBTC system according to claim 1, wherein said switch control management state of said switch moving area includes:
the state of S1: the turnout movable area does not receive a reservation request of a train or the train is cleared;
and 2, state S: the reservation is not locked, and a reservation request of the train is received;
and S3 state: reserving and locking to a positioning position, and pulling the turnout to a positioning position required by the train;
and S4 state: reserving and locking the turnout to a reverse position, and pulling the turnout to the reverse position required by the train.
3. The switch resource management method of a CBTC system according to claim 2, wherein said switch execution logic of said switch moving area includes:
e1: s1 (unreserved) to S2 (unreserved)
E1_1: firstly, the turnout is in a reverse position, a movable area is not reserved by any train, then a turnout resource processing module applies for a train to pass through to reserve the turnout to be positioned, and if the turnout movable area is not subjected to cross pressure by the train, the state of the turnout movable area is changed into a reserved unlocked state;
e1_2: firstly, a turnout is positioned, a movable area is not reserved by any train, then a turnout resource processing module applies for a train to pass and reserves the turnout to a reverse position, and if the turnout movable area is not subjected to cross pressure by the train, the turnout movable area is in a reserved unlocked state;
e2: s2 (reserved not locked) to S1 (unreserved)
E2_1: firstly, a turnout resource processing module applies for a train to reserve the turnout to a location, but the turnout does not move to a position required by reservation, then a dispatcher cancels the route of the train, and the movable area state of the turnout is changed into an unreserved state;
e2_2: firstly, a turnout resource processing module applies for a train to reserve the turnout to a reverse position, but the turnout does not move to a position required by reservation, then a dispatcher cancels the route of the train, and the movable area state of the turnout is changed into an unreserved state;
e3: s2 (reservation unlocked) to S3 (reservation and locking to position)
E3_1: firstly, the turnout is in a reverse position, the turnout resource processing module applies for a train to reserve the turnout to be positioned, then the object control unit receives a command of the turnout resource processing module to pull the turnout to be positioned and locked, and the movable area state of the turnout is converted into a reserved state and locked to be positioned;
e4: s3 (reserved and locked to position) to S2 (reserved unlocked)
E4_1: firstly, a turnout resource processing module and an object control unit reserve a turnout for a train, pull and lock the turnout to be positioned, then the turnout loses a list, and the movable area state of the turnout is converted into the reserved unlocked turnout;
e5: s2 (reservation unlocked) to S4 (reservation and locking to reverse)
E5_1: firstly, a turnout is positioned, a turnout resource processing module applies for a train to reserve the turnout to a reverse position, then an object control unit receives a command of the turnout resource processing module to pull the turnout to the reverse position and lock the turnout, and the movable area state of the turnout is converted into reservation and locked to the reverse position;
e6: s3 (reserved and locked to the inverted position) to S2 (reserved and unlocked)
E6_1: firstly, a turnout resource processing module and an object control unit reserve a turnout for a train, pull and lock the turnout to a reversed position, then the turnout loses a table, and the movable area state of the turnout is converted into a reserved unlocked state;
e7: s3 (reserved and locked to position) to S1 (unreserved)
E7_1: the turnout movable area is reserved for the train and locked to be positioned, then the train passes through the turnout movable area, and the state of the turnout movable area is changed into an unreserved state;
e7_2: the turnout movable area is reserved for the train and locked to be positioned, then the train is not used, the dispatcher cancels the route of the train, and the turnout movable area is changed into the state of being not reserved;
e8: s1 (unreserved) to S3 (reserved and locked into place)
E8_1: firstly, a turnout is positioned, a movable area is not reserved by any train, then a turnout resource processing module is used for applying for a train to reserve the turnout to the positioning, and if the movable area of the turnout is not pressed by the train, the movable area of the turnout is reserved and locked to the positioning;
e9: s4 (reserved and locked to the inverted position) to S1 (unreserved)
E9_1: the turnout movable area is reserved for the train and is locked to a reversed position, then the train passes through the turnout movable area, and the state of the turnout movable area is changed into an unreserved state;
e9_2: the turnout movable area is reserved for the train and locked to the reverse position, the train is not used, then the dispatcher cancels the route of the train, and the turnout movable area is changed into the state of not reserved;
e10: s1 (unreserved) to S4 (reserved and locked to the inverted position)
E10_1: firstly, the turnout is in the reverse position, the movable area is not reserved by any train, then the turnout resource processing module applies for the train to reserve the turnout to the reverse position, and if the turnout movable area is not subjected to cross pressure by the train, the turnout movable area is reserved and locked to the reverse position.
4. A logic module, characterized in that said logic module stores the switch execution logic of claim 3, and when executed, displays the switch control management status of said switch active area of claim 2.
5. The switch resource management method of a CBTC system according to claim 1, wherein the switch passing management state of the side defense area comprises:
and S5 state: the turnout side defense area and the cross crossover side defense area are not reserved or reserved and locked successfully but are not authorized for the train, and no train is occupied in the side defense area;
and S6 state: the train is authorized to be used by the turnout side defense area and the cross-over line side defense area, but the train does not drive into the turnout side defense area and the cross-over line side defense area;
and S7 state: the train is not authorized to be occupied, the train in the side defence area of the unauthorized use side is positioned in the side defence area of the turnout and the side defence area of the cross crossover, and the side defence area of the turnout and the side defence area of the cross crossover are not authorized but occupied;
and S8 state: and authorizing occupation, namely authorizing a train to use a side defense area, and authorizing the train to run into the turnout side defense area and the cross crossover side defense area, wherein the turnout side defense area and the cross crossover side defense area are authorized and occupied.
6. The method for managing switch resources of a CBTC system according to claim 5, wherein said switch execution logic of switch side defense areas and cross-over side defense areas includes:
e11: s5 (unauthorized not occupied) to S6 (authorized not occupied)
E11_1: firstly, the turnout is successfully reserved and locked, but is not authorized to be used by a train, and no train is occupied in a side defense area; then the turnout resource processing module authorizes a train to use a side defense area, if the side defense area is not transpressured by the train, the side defense area authorizes the train to use, but the train does not drive into the side defense area;
e12: s6 (authorization not occupied) to S5 (authorization not occupied)
E12_1: firstly, the turnout resource processing module authorizes a side defense area to be used by a train, but the train stays outside the side defense area, then a dispatcher cancels the access of the train, and the side defense area becomes unauthorized and unoccupied;
e13: s6 (authorization not occupied) to S7 (unauthorized occupied)
E13_1: firstly, the turnout resource processing module authorizes a side defense area to be used by a train, but the train stays outside the side defense area, the train with other side defense areas which are not authorized to be used rushes into the side defense area, the state of the side defense area is changed into unauthorized occupation, and the train cannot use the side defense area;
e14: s7 (unauthorized occupation) to S6 (authorized unoccupied)
E14_1: firstly, another train which is not authorized and uses a side defense area stays in the side defense area, the turnout resource processing module judges that the side defense area cannot be authorized to the application train, then the unauthorized train opens the side defense area, the side defense area can be authorized to the application train, and the application train is outside the side defense area, and the state of the side defense area is changed into an authorized unoccupied state;
e15: s6 (authorization not occupied) to S8 (authorization occupied)
E15_1: firstly, the turnout resource processing module authorizes a side defense area to a train for use, but the train stays outside the side defense area, then the train enters the side defense area, and the state of the side defense area is changed into authorized occupation;
e16: s8 (authorization occupied) to S6 (authorization unoccupied)
E16_1: there is no such state transition;
e17: s7 (unauthorized occupancy) to S5 (unauthorized unoccupied)
E17_1: firstly, a train with another side defense area which is not authorized to use stays in the side defense area, and other trains do not apply for authorization of the side defense area, then the unauthorized train leaves the side defense area, and the state of the side defense area is changed into unauthorized unoccupied state;
e18: s5 (unauthorized unoccupied) to S7 (unauthorized unoccupied)
E18_1: firstly, a train with another side defense area which is not authorized to use stays outside the side defense area, and other trains do not apply authorization of the side defense area, then the unauthorized train rushes into the side defense area, and the state of the side defense area is changed into unauthorized occupation;
e19: s8 (authorized occupied) to S5 (unauthorized unoccupied)
E19_1: firstly, the turnout resource processing module authorizes a side defence area to be used by a train, the train enters the side defence area, and then the train leaves the side defence area and is in an unauthorized unoccupied state;
e20: s5 (unauthorized unoccupied) to S8 (authorized occupied)
E20_1: there is no such state transition;
7. a logic module, wherein the logic module stores the switch execution logic of claim 6, and when executed, displays the switch passing management status of the side defence area of claim 5.
8. A CBTC switch resource management system is characterized by comprising:
the logic module of claim 4, and/or claim 7;
the logic module is deployed in the trackside zone controller of the CBTC system.
9. A switch resource management system of a CBTC (communication based train control) system is characterized by comprising:
the logic module of claim 4, and/or of claim 7;
the logic module is deployed in the vehicle-mounted controller of the CBTC system.
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