CN113212495A - Turnout resource control method and turnout management equipment of virtual marshalling train - Google Patents
Turnout resource control method and turnout management equipment of virtual marshalling train Download PDFInfo
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- CN113212495A CN113212495A CN202110531790.6A CN202110531790A CN113212495A CN 113212495 A CN113212495 A CN 113212495A CN 202110531790 A CN202110531790 A CN 202110531790A CN 113212495 A CN113212495 A CN 113212495A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L11/00—Operation of points from the vehicle or by the passage of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
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Abstract
The application provides a turnout resource control method and turnout management equipment for a virtual marshalling train, wherein the method comprises the following steps: receiving an exclusive request for applying for a target turnout exclusive lock initiated by a virtual marshalling inner head car; the target turnout exclusive lock is allowed to the head train based on the exclusive request, and the target turnout is controlled to be positioned at the correct position required by the forward movement of the train according to the permission of the exclusive lock; receiving a sharing request for applying a target turnout sharing lock initiated by each vehicle in the virtual marshalling, deleting an exclusive lock of a head vehicle based on the sharing request, and allowing the target turnout sharing lock to each vehicle; and receiving a memory request for applying a target turnout memory lock initiated by each vehicle in the virtual marshalling, and granting the target turnout memory lock to each vehicle based on the memory request. By applying for the memory lock for the virtual marshalling train, the target turnout resource is ensured to be exclusive relative to the whole marshalling, and the driving safety of the marshalling train during turning back is ensured.
Description
Technical Field
The application relates to the technical field of rail transit, in particular to a turnout resource control method and turnout management equipment for a virtual marshalling train.
Background
With the rapid development of rail transit, the operation capacity of rail transit lines is continuously increased, and the use frequency of signal system equipment is increased. On the premise of ensuring the driving safety and the high reliability of equipment, the method for simplifying trackside equipment and station equipment and shortening the train running interval to the maximum extent are the directions of the development of a future signal system, and the virtual marshalling train has an intelligent and flexible marshalling mode, can greatly shorten the train interval and optimize the transportation organization of the rail transit, and is one of the most potential development directions of the rail transit.
At present, when a virtual marshalling consisting of a plurality of trains drives through turnouts, the turnout resources are difficult to be managed in order, and the problem of train safety is easily caused. In particular, when a virtual train set performs a switch-back operation at a switch-back switch, resources applied to the switch-back switch by another train set tend to occur, and the virtual train set performing the switch-back operation is blocked in the switch-back area by another user of the switch-back switch.
Disclosure of Invention
The embodiment of the application provides a turnout resource control method and turnout management equipment for a virtual marshalling train, which aim to solve the problems that in the prior art, the turnout resources are difficult to be orderly managed, and the virtual marshalling for turning back operation is easy to be blocked in a turning back area by other users of the turning back turnout.
In a first aspect, an embodiment of the present application provides a method for controlling switch resources of a virtual train set, including: receiving an exclusive request for applying for a target turnout exclusive lock initiated by a virtual marshalling inner head car; the head car is allowed to have an exclusive lock for the target turnout based on the exclusive request, and the target turnout is controlled to be located at the correct position required by the forward movement of the train according to the permission of the exclusive lock; receiving a sharing request for applying for a target turnout sharing lock initiated by each vehicle in the virtual marshalling, deleting an exclusive lock of the head vehicle based on the sharing request, and allowing the target turnout sharing lock to each vehicle; and receiving a memory request for applying a target turnout memory lock initiated by each vehicle in the virtual marshalling, and granting the target turnout memory lock to each vehicle based on the memory request, wherein the memory lock is used for enabling the virtual marshalling to exclusively use the target turnout.
In a second aspect, an embodiment of the present application provides a switch management apparatus, including: the exclusive lock processing module is used for receiving an exclusive request for applying for a target turnout exclusive lock initiated by a head car in a virtual marshalling, granting the target turnout exclusive lock to the head car based on the exclusive request, and controlling the target turnout to be positioned at a correct position required by the advancing of a train according to the grant of the exclusive lock; the shared lock processing module is used for receiving a sharing request for applying a target turnout shared lock initiated by each vehicle in the virtual marshalling, deleting the exclusive lock of the head vehicle based on the sharing request, and allowing the target turnout shared lock to each vehicle; and the memory lock processing module is used for receiving a memory request for applying a target turnout memory lock initiated by each vehicle in the virtual marshalling and granting the target turnout memory lock to each vehicle based on the memory request, wherein the memory lock is used for enabling the virtual marshalling to exclusively use the target turnout.
By adopting the technical scheme provided by the application, the head cars in the virtual marshalling monopolize the lock through applying for the target turnout so as to request to monopolize and use the target turnout resource, and after applying for the monopolize lock, the target turnout can be pulled to the required correct position. After the target turnout is pulled to the correct position, the head car applies for the target turnout sharing lock, so that the original exclusive lock is converted into the sharing lock. After all trains in the virtual marshalling are applied to the shared lock and the memory lock of the target turnout, all trains in the virtual marshalling can share and use the target turnout resource through the shared lock, the turnout resource is ensured to be exclusive to the whole marshalling through the memory lock, and the orderly management of the turnout resource of the virtual marshalling train is realized. When the virtual marshalling is used for performing the turn-back operation at the turn-back turnout, the memory lock can be obtained, so that trains in other marshalling cannot use the turn-back turnout, therefore, the virtual marshalling can be turned back smoothly, and the situation that the train in other marshalling is blocked in a turn-back area can not occur.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 shows a process for applying for a switch resource lock to a switch management device according to the present application;
FIG. 2 shows a process for applying for a switch exclusive lock to a switch management device according to the present application;
FIG. 3 illustrates a process flow provided by the present application for a switch share lock to a switch management device;
FIG. 4 shows a flow of applying for a switch memory lock to a switch management device according to the present application;
fig. 5 shows a specific process of applying for a switch resource lock from a switch management device when a virtual marshalling train passes through a general switch on a track line;
fig. 6 illustrates a switch resource control method for a virtual consist train provided by the present application;
FIG. 7 illustrates a detailed process of the fork resource control method of FIG. 6 in an implementation;
figure 8 shows the switch management device provided by the present application.
Detailed Description
The following detailed description of exemplary embodiments of the present application, taken in conjunction with the accompanying drawings, makes it apparent that the described embodiments are only some embodiments of the application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example 1
The embodiment of the application provides a turnout resource control method, which is a general process for applying turnout resource locks to turnout management equipment when a train passes through a turnout. Fig. 1 shows a flow chart of the method, and referring to fig. 1, the method includes:
s101, a train initiates an application request of a target turnout resource lock to turnout management equipment;
s102, receiving a train application request by turnout management equipment;
s103, the turnout management equipment acquires the state information of the target turnout according to the application request;
and S104, allowing the train to lock the resources of the target turnout when the turnout management equipment determines that the state information of the target turnout meets the preset condition corresponding to the application request.
In step S101, the train that has initiated the application request is a train that normally operates on the track line, and may be any one train in a train configuration that operates in a virtual configuration, or may be an independently operating train. The application request sent by the applicant comprises the switch identification of the target switch and the type of the resource lock to be applied.
In step S102, the switch management device receives the application request of the target switch resource lock sent by the applicant.
In step S103, the switch management device determines the target switch requested by the requester according to the switch identifier in the request, and obtains the state information of the target switch. The state information of the target turnout comprises the following steps: the rotation state of the target turnout, the position state of the target turnout, the state of the target turnout resource lock and other information.
In step S104, the switch management device determines a corresponding preset condition according to the type of the resource lock in the application request, determines whether the acquired state information of the target switch satisfies the preset condition, and when it is determined that the state information of the target switch satisfies the preset condition corresponding to the application request, permits the applicant to use the resource lock of the target switch, that is, returns permission information of the consent request to the train, and records the user of the resource lock of the target switch. Wherein, through the user of record resource lock, can prevent to cause the confusion when the multi-car is applied for, do benefit to and further ensure train safety. In addition, resource lock information can be recorded simultaneously, and the resource lock information can comprise information such as the type of resource locks, the positions of turnouts and the number of current locks, so that turnout resources can be managed conveniently by turnout management equipment.
In the embodiment of the present application, the target switch resource lock types include: exclusive locks, shared locks, and memory locks.
When the resource lock type in the application request is an exclusive lock, and when the state information of the target turnout is determined to meet any preset exclusive condition, the turnout management equipment returns permission information for allowing an applicant to use the target turnout, and records the applicant as a user for the target turnout to monopolize the lock. Otherwise, the turnout management device returns the disablement information which is not agreed.
When the resource lock type in the application request is the sharing lock and the state information of the target turnout is determined to meet the preset sharing condition, the turnout management equipment returns permission information for agreeing the applicant to use the target turnout, and records the applicant as a user of the target turnout sharing lock. Otherwise, the turnout management device returns the disablement information which is not agreed.
When the resource lock type in the application request is a memory lock and the state information of the target turnout is determined to meet the preset memory condition, the turnout management equipment returns permission information for allowing an applicant to use the target turnout, and records the applicant as a user of the target turnout memory lock. Otherwise, the turnout management device returns the disablement information which is not agreed.
Of course, the type of resource lock is not limited thereto, and the embodiment is only illustrated here. During specific implementation, corresponding constraint conditions can be set for various resource locks according to the operation requirements of the train, so that the operation safety of the train is ensured.
Further, after returning the license information of the approval request to the train, the method further comprises: after receiving an unlocking request aiming at a target turnout, the turnout management equipment releases a resource lock of a user when determining that a sender of the unlocking request is the user of the target turnout resource lock.
During specific implementation, when receiving an unlocking request of a target turnout, turnout management equipment verifies a sender of the unlocking request, and when verifying that the sender of the unlocking request is a user of a target turnout resource lock, the resource lock of the user is released, namely, the permission of the resource lock of the user is deleted, so that the condition that only the user of the target turnout resource lock has the permission to release the resource lock of the user is ensured, and the reliability of the permission of the resource lock is favorably ensured.
Illustratively, when the turnout management equipment permits an applicant to use a shared lock, an exclusive lock or a memory lock, the turnout management equipment records the information of a user and generates a user list; the user information may include user identifiers, which are different from one user to another, and the identifiers may be user codes or character strings generated according to a preset rule. When receiving the unlocking request, the turnout management equipment judges whether a user corresponding to the identification is in the user list or not according to the identification in the unlocking request, and if the user is in the user list, the sender of the unlocking request is the user of the target turnout resource lock, so that the resource lock of the user can be released, and the user can be deleted from the current user list.
Further, the method further comprises: and when the communication between the user of the target turnout resource lock and the turnout management equipment is abnormal, the turnout management equipment clears the resource lock of the target turnout according to the received lock clearing command.
For example, when the user of the target switch resource lock has a fault and an unlocking request cannot be sent to the switch management device, the staff of the control center can find the abnormal state through the device of the control center, and the staff can send a lock clearing instruction through the device of the control center. And after receiving the lock clearing instruction, the turnout management equipment can clear the resource locks of the target turnout. When the target turnout has the exclusive lock at present, the turnout management equipment can clear the exclusive lock of the target turnout after receiving the lock clearing instruction. When the target turnout currently has the shared lock, the turnout management equipment can completely clear the shared lock of the target turnout after receiving the lock clearing command. When the target turnout has the memory lock currently, the turnout management equipment can completely clear the memory lock of the target turnout after receiving the lock clearing command.
In order to further ensure the safety, after the resource lock of the target turnout is cleared, the turnout management equipment can be set to not receive any application request for the resource lock of the target turnout within the preset time.
Example 2
The embodiment of the application provides a turnout resource control method, which is a process of applying for turnout exclusive lock to turnout management equipment when a train passes through a turnout. Fig. 2 shows a flow chart of the method, please refer to fig. 2, which includes:
s201, the train sends an exclusive request for applying for exclusive lock of a target turnout to turnout management equipment;
s202, receiving an exclusive request of a train by turnout management equipment;
s203, the turnout management equipment acquires the state information of the target turnout according to the exclusive request;
s204, when the turnout management equipment determines that the state information of the target turnout meets any preset exclusive condition, the train permits exclusive locking of the target turnout.
Specifically, the turnout management device returns permission information for granting the exclusive request to the train, and records the user of the target turnout exclusive lock.
Wherein the exclusive condition includes:
the target turnout is in a non-locking state;
the target turnout is already provided with the exclusive lock of the current applicant;
the target turnout only has a sharing lock of the current applicant;
the target turnout only has an exclusive lock and a memory lock of the current applicant;
the target turnout only has a sharing lock and a memory lock of the current applicant;
the target switch has the memory lock of the current applicant and has no exclusive lock, shared lock and memory lock of other applicant not in the same group as the current applicant.
That is, when the target switch is in a lock-free state, or the target switch has an exclusive lock of the applicant, or the target switch has only a shared lock of the applicant, or the target switch has only an exclusive lock and a memory lock of the applicant, or the target switch has only a shared lock and a memory lock of the applicant, or the target switch has only a memory lock of the applicant and no exclusive locks, shared locks, and memory locks of other applicants other than the applicant, the switch management device determines that the train applying for using the target switch does not conflict with other trains, and the switch management device permits the train to use the exclusive lock of the target switch, that is, the train returns permission information for granting the exclusive request, and records user information of the target switch lock.
The target turnout is in an idle state, namely, the target turnout is not provided with any exclusive lock, shared lock or memory lock. The target turnout has the exclusive lock of the current applicant, namely, the current applicant has applied for the exclusive lock of the target turnout to the turnout management device before the application, and the exclusive lock is allowed. The target turnout only has the sharing lock of the current applicant, namely, the current applicant has applied for the sharing lock of the target turnout to the turnout management equipment before the application, and the target turnout only has the sharing lock of the applicant. The target turnout only has the exclusive lock and the memory lock of the current applicant, namely, the current applicant has applied for the exclusive lock and the memory lock of the target turnout from the turnout management equipment before the application, and is allowed. The target turnout only has the sharing lock and the memory lock of the current applicant, namely, the current applicant has applied for the sharing lock and the memory lock of the target turnout from the turnout management equipment before the application, and the sharing lock and the memory lock of the applicant are allowed, and the target turnout only has the sharing lock and the memory lock of the applicant. The target turnout has the memory lock of the current applicant, and has no memory lock of an exclusive lock, a shared lock and other applicants which are not in the same group with the current applicant, namely, the current applicant has applied for the memory lock to the turnout management device and is permitted, and only the memory lock of the train in the same group with the applicant exists on the target turnout.
Alternatively, the switch management device or the train may control the position of the target switch after returning permission information for granting the exclusive request.
For example, after the turnout management device returns the permission information for granting the exclusive request, when the turnout management device determines that the current position of the target turnout is different from the target position in the exclusive request, the turnout management device can automatically control the turnout position to enable the target turnout to be pulled to the target position. The target position is the correct position required for the train to advance.
Or after the train receives the permission information which is returned by the turnout management equipment and agrees to the exclusive request, after the current position of the target turnout is determined to be different from the target position required by the forward movement of the train, the turnout management equipment initiates a turnout pulling command to the turnout management equipment, and after the turnout management equipment receives the turnout pulling command, the turnout position is controlled, so that the target turnout is pulled to the target position indicated in the turnout pulling command.
Optionally, the method may further comprise: when the target turnout is in a rotating state, the risk of safety accidents such as collision of the train is determined, and the turnout management equipment returns the forbidding information which does not agree with the exclusive request to the applicant.
In this embodiment, through monopolizing the lock for the train application, when confirming that the train can not take place the incident such as collision with other trains, permit this train and obtain monopolizing the authority, can prevent that a user from passing through during the switch, other applicant apply for this switch resource to do benefit to and ensure train safety.
Example 3
The embodiment of the application provides a turnout resource control method, which is a process of applying for turnout sharing locks to turnout management equipment when a train passes through a turnout. Fig. 3 shows a flow chart of the method, please refer to fig. 3, which includes:
s301, the train initiates a sharing request for applying a target turnout sharing lock to turnout management equipment;
s302, receiving a sharing request of the train by the turnout management equipment;
s303, the turnout management equipment acquires the state information of the target turnout according to the sharing request;
s304, when the turnout management equipment determines that the state information of the target turnout meets the preset sharing condition, the train permits the sharing lock of the target turnout.
Specifically, the switch management device returns permission information for granting the sharing request to the train, and records the user of the target switch sharing lock.
Wherein the sharing condition comprises:
the current position of the target turnout is the same as the application position in the sharing request; and
the target turnout does not have an exclusive lock of a non-current applicant; and
the target turnout does not have a memory lock which is not currently grouped; and
the applied sharing lock does not conflict with the existing sharing lock of the target turnout, which is not the current applicant; and
the target turnout is not in a rotating state.
The applied sharing lock does not conflict with the existing sharing lock of a non-current applicant of the target turnout, and comprises the following steps: the application position in the sharing request of the current applicant does not conflict with the application position in the sharing request of the existing applicant of the target turnout.
In a specific implementation, the switch management device returns permission information for agreeing to the sharing request only when the target switch meets the sharing conditions. The turnout management equipment can permit the shared lock of the same target turnout to a plurality of users, is beneficial to shortening the tracking interval between trains, and improves the running efficiency of the trains on the line. When the target turnout does not meet at least one sharing condition, the risk of safety accidents such as collision and the like of the train is determined, and the turnout management equipment returns forbidden information which does not agree with the sharing request to an applicant.
It will be appreciated that the shared lock has multiple users at the same time and the switch locations used by the multiple users are the same, and that multiple trains, for example, may be based on train-to-train communications to ensure safe separation between trains.
In this embodiment, by applying for the sharing lock for the train, when it is determined that the train does not collide with other trains or other safety accidents, the train is permitted to obtain the sharing authority, which is beneficial to shortening the tracking interval between trains, improving the operation efficiency of the train on the line, and ensuring the driving safety.
Example 4
The embodiment of the application provides a turnout resource control method, which is a process of applying for turnout memory lock to turnout management equipment when a train passes through a turnout. Fig. 4 shows a flow chart of the method, and referring to fig. 4, the method includes:
s401, the train initiates a memory request for applying a target turnout memory lock to turnout management equipment;
s402, receiving a memory request of the train by the turnout management equipment;
s403, the turnout management equipment acquires the state information of the target turnout according to the memory request;
s404, when the turnout management equipment determines that the state information of the target turnout meets the preset memory condition, the memory lock of the target turnout is permitted for the train.
Specifically, the switch management device returns permission information for agreeing to the memory request to the train, and records the user of the target switch memory lock.
Wherein the memory condition comprises:
the target turnout does not have an exclusive lock of a non-current applicant; and
the target turnout does not have a shared lock which is not currently grouped; and
the target turnout does not have a memory lock which is not currently grouped; and
the target turnout is not in a rotating state.
In the concrete implementation, the target turnout needs to meet the memory conditions, and the turnout management equipment returns permission information for agreeing to the memory request. The turnout management equipment can permit the memory lock to a plurality of users in the same marshalling, so that the target turnout resource can only be held by the same marshalling, the current marshalling exclusively uses the target turnout resource, the driving safety among a plurality of marshalling is ensured, and the interval between internal vehicles of the marshalling and the vehicles is ensured according to vehicle-to-vehicle communication in the marshalling, so that the driving safety is ensured. When the target turnout does not meet at least one memory condition, the risk of safety accidents such as collision and the like of the train is determined, and the turnout management equipment returns forbidden information which does not agree with the memory request to an applicant.
In this embodiment, by applying for the memory lock for the train, the application of the exclusive lock, the shared lock and the memory lock for the switch by the train in other marshalling except the current marshalling is not allowed, so that the switch resource is ensured to be exclusive relative to the whole marshalling, and the running safety of the marshalling train is ensured.
It will be appreciated that after a train in the same virtual consist applies for a shared lock and a memory lock, the target switch resource is shared for all trains in the virtual consist and is exclusive to the entire consist.
Example 5
The embodiment of the application provides a specific process of applying for a turnout resource lock from turnout management equipment when a virtual marshalling train passes through a common turnout on a track line. Referring to fig. 5, a switch resource control method in the present application will be described by taking an example in which a virtual formation includes two trains (a front train and a rear train, respectively).
As shown in fig. 5, the virtual grouping includes the following steps when passing through the target switch on the track line:
1. before the virtual marshalling passes through the target turnout, a front vehicle in the virtual marshalling judges whether the target turnout is in the correct position required by the virtual marshalling advancing, if not, the front vehicle applies for an exclusive lock of the target turnout to turnout management equipment;
2. after applying for exclusive lock, the front vehicle initiates a turnout pulling command to turnout management equipment;
3. after receiving the turnout pulling command, the turnout management equipment pulls the target turnout to the target position indicated in the turnout pulling command;
4. after the front vehicle determines that the target turnout is in the correct position required by virtual marshalling and advancing, the front vehicle and the rear vehicle respectively apply for a shared lock of the target turnout to turnout management equipment;
when the turnout management equipment permits the shared lock of the front vehicle, the original exclusive lock of the front vehicle is deleted.
5. After the front vehicle and the rear vehicle sequentially pass through the target turnout, an unlocking request is sent to turnout management equipment in sequence to delete the shared lock of the front vehicle and the rear vehicle.
Example 6
When a virtual formation consisting of a plurality of trains performs a switch-back operation, a resource lock applied to a switch-back switch by another formation is likely to occur, and the virtual formation performing the switch-back operation is blocked in a switch-back area by another user of the switch-back switch. In order to solve the above problem, an embodiment of the present application provides a switch resource control method for a virtual marshalling train. Referring to fig. 6, the method includes:
s501, receiving an exclusive request for applying for a target turnout exclusive lock initiated by a head car in a virtual grouping by turnout management equipment.
S502, the turnout management device permits the target turnout to have exclusive lock to the first train based on the exclusive request, and controls the target turnout to be located at the correct position required by the forward movement of the train according to the permission of the exclusive lock.
Specifically, the turnout management device permits the target turnout to monopolize the lock when determining that the current state information of the target turnout meets any preset monopolizing condition based on the monopolizing request of the head car. Wherein the exclusive condition includes:
the target turnout is in a non-locking state;
the target turnout is already provided with the exclusive lock of the current applicant;
the target turnout only has a sharing lock of the current applicant;
the target turnout only has an exclusive lock and a memory lock of the current applicant;
the target turnout only has a sharing lock and a memory lock of the current applicant;
the target switch has the memory lock of the current applicant and has no exclusive lock, shared lock and memory lock of other applicant not in the same group as the current applicant.
S503, the turnout management equipment receives a sharing request for applying for a target turnout sharing lock initiated by each vehicle in the virtual marshalling, deletes the exclusive lock of the head vehicle based on the sharing request, and permits the target turnout sharing lock to each vehicle.
Specifically, the turnout management device deletes the exclusive lock of the primary turnout and permits the primary turnout to share the lock when determining that the current state information of the target turnout meets the preset sharing condition based on the sharing request of the primary turnout, so that the exclusive lock of the primary turnout is converted into the shared lock; and the turnout management equipment permits the target turnout to share the lock to each non-head vehicle when determining that the current state information of the target turnout meets the preset sharing condition based on the sharing request of each non-head vehicle in the marshalling.
In this embodiment, the sharing conditions include:
the current position of the target turnout is the same as the application position in the sharing request; and
the target turnout does not have an exclusive lock of a non-current applicant; and
the target turnout does not have a memory lock which is not currently grouped; and
the applied sharing lock does not conflict with the existing sharing lock of the target turnout, which is not the current applicant; and
the target turnout is not in a rotating state.
S504, the turnout management equipment receives memory requests for applying target turnout memory locks initiated by vehicles in the virtual marshalling, and permits the target turnout memory locks to the vehicles based on the memory requests.
Specifically, the switch management device permits a memory lock of the target switch to each vehicle when determining that the current state information of the target switch meets a preset memory condition based on the memory request of each vehicle.
In the present embodiment, the memory condition includes:
the target turnout does not have an exclusive lock of a non-current applicant; and
the target turnout does not have a shared lock which is not currently grouped; and
the target turnout does not have a memory lock which is not currently grouped; and
the target turnout is not in a rotating state.
It can be understood that the target turnout is a turn-back turnout, the virtual marshalling needs to pass through the target turnout twice when the target turnout is turned back, the virtual marshalling drives into a turn-back area from the target turnout when the target turnout is passed through for the first time, the end is changed in the turn-back area, and after the end is changed, the virtual marshalling drives out from the turn-back area when the target turnout is passed through for the second time.
Specifically, when the virtual marshalling is used for the turning-back operation, the vehicles in the marshalling respectively apply for a shared lock and a memory lock of a target turnout to turnout management equipment, a plurality of trains in the current marshalling can share the resource of the target turnout by applying for the shared lock, and the trains in other marshalling except the current marshalling can not apply for an exclusive lock, a shared lock and a memory lock of the turnout by applying for the memory lock, so that the turnout resource is ensured to be exclusive relative to the whole turnout.
In one embodiment, the step S502 of controlling the target switch to be located at the correct position required for the train to advance according to the permission of the exclusive lock includes: the first switch pulling command is initiated to the switch management equipment after the first vehicle obtains the permission of the exclusive lock; and the turnout management equipment pulls the target turnout to a correct position required by the forward movement of the train according to the first turnout pulling command.
In another embodiment, the step S502 of controlling the target switch to be located at the correct position required for the train to advance according to the permission of the exclusive lock includes: and after the turnout management equipment permits the target turnout to monopolize the lock to the head car, the target turnout is pulled to the target position indicated in the monopolizing request of the head car. Wherein the target position is a correct position required by the train to advance.
It can be understood that when the target turnout is not located at the correct position required by the forward movement of the train, the head train can apply for the exclusive lock of the target turnout to the turnout management equipment, and after the exclusive right of the target turnout is obtained, the target turnout is required to be pulled to the correct position required; after the target turnout is pulled to the correct position, the head car initiates a sharing request to turnout management equipment, and the original exclusive lock is converted into a sharing lock. When the exclusive lock is used by the head car, the current state information of the target turnout does not meet the sharing condition and the memory condition, so that other trains in the virtual marshalling cannot apply for the sharing lock and the memory lock of the target turnout.
Optionally, if the head car determines that the target switch is located at the correct position required by the forward movement of the train before the target switch is performed, the head car may directly apply for the shared lock and the memory lock to the switch management device without applying for the exclusive lock.
When the virtual marshalling passes through the target turnout for the first time, namely the virtual marshalling drives into the turn-back area from the target turnout, the tail cars in the virtual marshalling initiate a second turnout turning command to turnout management equipment. And the turnout management equipment pulls the target turnout to the correct position required by the virtual marshalling exit turn-back area according to the second turnout pulling command, and prepares for the virtual marshalling turn-back switch end and the exit turn-back area.
When the virtual marshalling passes through the target turnout for the second time, namely after turning back is completed, each vehicle in the virtual marshalling initiates a sharing unlocking request of a target turnout sharing lock and a memory unlocking request of a target turnout memory lock to turnout management equipment; and the turnout management equipment deletes the permission of the shared lock and the memory lock of each vehicle in the virtual marshalling according to the received shared unlocking request and the memory unlocking request, thereby releasing turnout resources.
In order to facilitate understanding of detailed processes of the present embodiment in specific implementation, the following describes the present embodiment with an example in which a virtual formation includes two trains (i.e., a front train and a rear train).
Fig. 7 shows a detailed process of the present technical solution in specific implementation, please refer to fig. 7, which includes:
1. and before the front vehicle in the virtual marshalling enters the turn-back turnout, judging whether the turn-back turnout is in the correct position required by the virtual marshalling entering the turn-back area, if not, applying for an exclusive lock of the turn-back turnout to turnout management equipment by the front vehicle, and if so, applying for a shared lock of the turn-back turnout to turnout management equipment by the front vehicle.
2. And if the turnout management equipment agrees to the exclusive request of the front vehicle, increasing the exclusive lock of the front vehicle, initiating a first turnout pulling command to the turnout management equipment by the front vehicle, and pulling the turn-back turnout to the correct position required by the virtual marshalling to enter the turn-back area by the turnout management equipment according to the first turnout pulling command.
3. And after the front vehicle determines that the turn-back turnout is pulled to the correct position required by the virtual marshalling to enter the turn-back area, applying for a sharing lock of the turn-back turnout from turnout management equipment.
4. And if the turnout management equipment agrees with the sharing request of the front vehicle, adding the sharing lock of the front vehicle and deleting the exclusive lock of the front vehicle.
5. The front vehicle applies for the memory lock of the turning turnout to the turnout management equipment, and if the turnout management equipment agrees with the memory request of the front vehicle, the memory lock of the front vehicle is added.
6. And the rear vehicle applies for the shared lock and the memory lock of the turning-back turnout to the turnout management equipment, and if the turnout management equipment agrees with the shared request and the memory request of the rear vehicle, the shared lock and the memory lock of the rear vehicle are added.
After the turnout management equipment returns permission information of approving the application to the shared lock and the memory lock applied by the front vehicle and the rear vehicle, the two vehicles are allowed to turn back the turnout.
7. After two vehicles sequentially pass through the turn-back turnout and enter the turn-back area, a sharing unlocking request of a turn-back turnout sharing lock is sent to turnout management equipment in sequence, and the turnout management equipment deletes the sharing lock of the two vehicles according to the received sharing unlocking request.
At this time, the two cars still keep the memory lock for the folding switch, so the folding switch resource is still held by the two cars in the consist, i.e. the folding switch resource is not applied by the trains in other consists, and the virtual consist is ensured not to meet the trains in other consists during folding.
In practical application, certainly, after two vehicles enter the turning-back area, the shared lock may not be released, that is, each vehicle in the grouping simultaneously retains the shared lock and the memory lock for the turning-back turnout.
8. And the rear vehicle initiates a second turnout turning command to the turnout management equipment, and the turnout management equipment turns the turn-back turnout to the correct position required by the virtual marshalling turn-back area according to the second turnout turning command to prepare for the virtual marshalling turn-back switch end and the virtual marshalling turn-back area.
9. And the two vehicles move to the specified position and are stopped stably, and then the end changing operation is sequentially carried out.
10. The two cars receive a new driving plan issued by an ITS (Intelligent Train supervision) system.
11. The two vehicles apply for the shared lock of the turning turnout to the turnout management equipment in sequence.
If the two vehicles do not apply for releasing the shared lock after driving into the turn-back area, the shared lock of the turn-back turnout does not need to be applied.
12. After two vehicles sequentially pass through the turn-back turnout and exit the turn-back area, respectively initiating a sharing unlocking request of a turn-back turnout sharing lock and a memory unlocking request of a memory lock to turnout management equipment, deleting the sharing lock of the two vehicles by the turnout management equipment according to the received sharing unlocking request, and deleting the memory lock of the two vehicles according to the received memory unlocking request.
At this time, the switch back is restored to the lock-free state, and other marshalling trains are allowed to apply for switch resources.
Example 7
Based on the same inventive concept, the embodiment of the application provides the turnout management equipment which can be arranged beside a rail. Referring to fig. 8, the switch management apparatus includes: exclusive lock processing module 610, shared lock processing module 620, and memory lock processing module 630. The exclusive lock processing module 610 is configured to receive an exclusive request for applying for a target turnout exclusive lock initiated by a head car in a virtual marshalling, grant the target turnout exclusive lock to the head car based on the exclusive request, and control the target turnout to be located at a correct position required by train advancing according to the grant of the exclusive lock; the shared lock processing module 620 is configured to receive a sharing request for applying for a target turnout shared lock initiated by each vehicle in the virtual grouping, delete an exclusive lock of the head vehicle based on the sharing request, and grant the target turnout shared lock to each vehicle; the memory lock processing module 630 is configured to receive a memory request for applying a target switch memory lock initiated by each vehicle in the virtual grouping, and grant the target switch memory lock to each vehicle based on the memory request, where the memory lock is used to enable the virtual grouping to exclusively use the target switch.
Optionally, the memory lock processing module 630 is configured to: and based on the memory request of each vehicle, when the current state information of the target turnout meets the preset memory condition, allowing a memory lock of the target turnout to each vehicle.
Optionally, the switch management device further includes a resource releasing module, configured to: after the virtual marshalling is turned back, receiving a sharing unlocking request of a target turnout sharing lock and a memory unlocking request of a target turnout memory lock initiated by each vehicle in the virtual marshalling; and deleting the permission of the shared lock and the memory lock of each vehicle in the virtual marshalling according to the shared unlocking request and the memory unlocking request.
Optionally, the shared lock processing module 620 is configured to: based on the sharing request of the head car, when the current state information of the target turnout meets the preset sharing condition, deleting the exclusive lock of the head car, and allowing the target turnout to share the lock to the head car; and based on the sharing request of each non-head vehicle in the virtual marshalling, when the current state information of the target turnout meets the preset sharing condition, allowing the target turnout to share the lock for each non-head vehicle.
Optionally, the exclusive lock processing module 610 is configured to: receiving a first turnout wrenching command initiated by the head car after the head car obtains the permission of the exclusive lock; and pulling the target turnout to a correct position required by the forward movement of the train according to the first turnout pulling command.
Optionally, the exclusive lock processing module 610 is configured to: and after the target turnout is allowed to monopolize the lock, pulling the target turnout to a target position indicated in the monopolizing request of the head car, wherein the target position is a correct position required by the forward movement of the train.
Optionally, the switch management device further includes a switch control module, configured to: when the virtual marshalling passes through the target turnout and enters a turn-back area, receiving a second turnout pulling command initiated by a tail car in the virtual marshalling; and pulling the target turnout to a correct position required by the virtual marshalling exiting the turn-back area according to the second turnout pulling command.
Optionally, the memory condition includes:
the target turnout does not have an exclusive lock of a non-current applicant; and
the target turnout does not have a shared lock which is not currently grouped; and
the target turnout does not have a memory lock which is not currently grouped; and
the target turnout is not in a rotating state.
Optionally, the sharing condition includes:
the current position of the target turnout is the same as the application position in the sharing request; and
the target turnout does not have an exclusive lock of a non-current applicant; and
the target turnout does not have a memory lock which is not currently grouped; and
the applied sharing lock does not conflict with the existing sharing lock of the target turnout, which is not the current applicant; and
the target turnout is not in a rotating state.
Optionally, the exclusive lock processing module 610 is configured to: based on the exclusive request, when the current state information of the target turnout is determined to meet any preset exclusive condition, the target turnout is allowed to have exclusive lock to the head car;
wherein the exclusive condition includes:
the target turnout is in a non-locking state;
the target turnout is already provided with the exclusive lock of the current applicant;
the target turnout only has a sharing lock of the current applicant;
the target turnout only has an exclusive lock and a memory lock of the current applicant;
the target turnout only has a sharing lock and a memory lock of the current applicant;
the target switch has the memory lock of the current applicant and has no exclusive lock, shared lock and memory lock of other applicant not in the same group as the current applicant.
It is understood that the switch management device in the present embodiment, the implementation principle and the technical effects thereof have been introduced in the foregoing method embodiments, and for the sake of brief description, the switch management device may refer to the corresponding descriptions of the switch management device in the switch resource control methods provided in embodiments 1 to 6.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (16)
1. A turnout resource control method of a virtual marshalling train is characterized by comprising the following steps:
receiving an exclusive request for applying for a target turnout exclusive lock initiated by a virtual marshalling inner head car;
the head car is allowed to have an exclusive lock for the target turnout based on the exclusive request, and the target turnout is controlled to be located at the correct position required by the forward movement of the train according to the permission of the exclusive lock;
receiving a sharing request for applying for a target turnout sharing lock initiated by each vehicle in the virtual marshalling, deleting an exclusive lock of the head vehicle based on the sharing request, and allowing the target turnout sharing lock to each vehicle;
and receiving a memory request for applying a target turnout memory lock initiated by each vehicle in the virtual marshalling, and granting the target turnout memory lock to each vehicle based on the memory request, wherein the memory lock is used for enabling the virtual marshalling to exclusively use the target turnout.
2. The method of claim 1, wherein said granting target switch memory locks to vehicles based on said memory requests comprises:
and based on the memory request of each vehicle, when the current state information of the target turnout meets the preset memory condition, allowing a memory lock of the target turnout to each vehicle.
3. The method of claim 1, further comprising:
after the virtual marshalling is turned back, receiving a sharing unlocking request of a target turnout sharing lock and a memory unlocking request of a target turnout memory lock initiated by each vehicle in the virtual marshalling;
and deleting the permission of the shared lock and the memory lock of each vehicle in the virtual marshalling according to the shared unlocking request and the memory unlocking request.
4. The method of claim 1, wherein the deleting the exclusive lock of the head car based on the sharing request and granting a target switch shared lock to each car comprises:
based on the sharing request of the head car, when the current state information of the target turnout meets the preset sharing condition, deleting the exclusive lock of the head car, and allowing the target turnout to share the lock to the head car;
and based on the sharing request of each non-head vehicle in the virtual marshalling, when the current state information of the target turnout meets the preset sharing condition, allowing the target turnout to share the lock for each non-head vehicle.
5. The method according to claim 1, wherein said controlling said target switch to be in a correct position required for train progress based on permission of said exclusive lock comprises:
receiving a first turnout wrenching command initiated by the head car after the head car obtains the permission of the exclusive lock;
and pulling the target turnout to a correct position required by the forward movement of the train according to the first turnout pulling command.
6. The method according to claim 1, wherein said controlling said target switch to be in a correct position required for train progress based on permission of said exclusive lock comprises:
and after the target turnout is allowed to monopolize the lock, pulling the target turnout to a target position indicated in the monopolizing request of the head car, wherein the target position is a correct position required by the forward movement of the train.
7. The method of claim 1, further comprising:
when the virtual marshalling passes through the target turnout and enters a turn-back area, receiving a second turnout pulling command initiated by a tail car in the virtual marshalling;
and pulling the target turnout to a correct position required by the virtual marshalling exiting the turn-back area according to the second turnout pulling command.
8. The method of claim 2, wherein the memory condition comprises:
the target turnout does not have an exclusive lock of a non-current applicant; and
the target turnout does not have a shared lock which is not currently grouped; and
the target turnout does not have a memory lock which is not currently grouped; and
the target turnout is not in a rotating state.
9. The method of claim 4, wherein the sharing condition comprises:
the current position of the target turnout is the same as the application position in the sharing request; and
the target turnout does not have an exclusive lock of a non-current applicant; and
the target turnout does not have a memory lock which is not currently grouped; and
the applied sharing lock does not conflict with the existing sharing lock of the target turnout, which is not the current applicant; and
the target turnout is not in a rotating state.
10. The method of claim 1, wherein said granting the target switch exclusive lock to the lead car based on the exclusive request comprises:
based on the exclusive request, when the current state information of the target turnout is determined to meet any preset exclusive condition, the target turnout is allowed to have exclusive lock to the head car;
wherein the exclusive condition includes:
the target turnout is in a non-locking state;
the target turnout is already provided with the exclusive lock of the current applicant;
the target turnout only has a sharing lock of the current applicant;
the target turnout only has an exclusive lock and a memory lock of the current applicant;
the target turnout only has a sharing lock and a memory lock of the current applicant;
the target switch has the memory lock of the current applicant and has no exclusive lock, shared lock and memory lock of other applicant not in the same group as the current applicant.
11. A switch management apparatus, characterized by comprising:
the exclusive lock processing module is used for receiving an exclusive request for applying for a target turnout exclusive lock initiated by a head car in a virtual marshalling, granting the target turnout exclusive lock to the head car based on the exclusive request, and controlling the target turnout to be positioned at a correct position required by the advancing of a train according to the grant of the exclusive lock;
the shared lock processing module is used for receiving a sharing request for applying a target turnout shared lock initiated by each vehicle in the virtual marshalling, deleting the exclusive lock of the head vehicle based on the sharing request, and allowing the target turnout shared lock to each vehicle;
and the memory lock processing module is used for receiving a memory request for applying a target turnout memory lock initiated by each vehicle in the virtual marshalling and granting the target turnout memory lock to each vehicle based on the memory request, wherein the memory lock is used for enabling the virtual marshalling to exclusively use the target turnout.
12. The apparatus of claim 11, wherein the memory lock processing module is configured to:
and based on the memory request of each vehicle, when the current state information of the target turnout meets the preset memory condition, allowing a memory lock of the target turnout to each vehicle.
13. The apparatus of claim 11, further comprising a resource release module; the resource releasing module is used for:
after the virtual marshalling is turned back, receiving a sharing unlocking request of a target turnout sharing lock and a memory unlocking request of a target turnout memory lock initiated by each vehicle in the virtual marshalling;
and deleting the permission of the shared lock and the memory lock of each vehicle in the virtual marshalling according to the shared unlocking request and the memory unlocking request.
14. The device of claim 11, wherein the shared lock processing module is configured to:
based on the sharing request of the head car, when the current state information of the target turnout meets the preset sharing condition, deleting the exclusive lock of the head car, and allowing the target turnout to share the lock to the head car;
and based on the sharing request of each non-head vehicle in the virtual marshalling, when the current state information of the target turnout meets the preset sharing condition, allowing the target turnout to share the lock for each non-head vehicle.
15. The device of claim 11, wherein the exclusive lock processing module is to:
receiving a first turnout wrenching command initiated by the head car after the head car obtains the permission of the exclusive lock;
and pulling the target turnout to a correct position required by the forward movement of the train according to the first turnout pulling command.
16. The apparatus of claim 11, further comprising a switch control module; the turnout control module is used for:
when the virtual marshalling passes through the target turnout and enters a turn-back area, receiving a second turnout pulling command initiated by a tail car in the virtual marshalling;
and pulling the target turnout to a correct position required by the virtual marshalling exiting the turn-back area according to the second turnout pulling command.
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