CN114162172B - White list establishing method, device and storage medium - Google Patents
White list establishing method, device and storage medium Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
The application provides a white list establishing method, equipment and storage medium, which are applied to virtually grouped trains, wherein the method comprises the steps that a group of trains positioned at the end part of the virtually grouped trains generate a sub-list, and the sub-list comprises identifications of a group of trains positioned at the end part of the virtually grouped trains; the sub-list is supplemented by a group of trains positioned at the end part of the virtual grouping, and the respective identifications are transmitted to another group of trains positioned at the end part of the virtual grouping after the trains not positioned at the end part of the virtual grouping are supplemented into the sub-list; the other group of trains at the end of the virtual consist supplements its identification to the received sub-list and establishes a white list. According to the method for establishing the white list, the sub-lists are maintained together through the virtually grouped trains, so that the white list is formed, and the accurate establishment of the white list is realized.
Description
Technical Field
The present disclosure relates to the field of rail transit technologies, and in particular, to a method, an apparatus, and a storage medium for establishing a white list.
Background
With the rapid development of the intelligent rail transit industry, the virtual train consist technology becomes the main consist technology of the target train operation. According to the technology, the operation state of the front vehicle is acquired by the rear vehicle through the direct wireless communication between vehicles, so that the operation of the rear vehicle is controlled, and the train cooperative operation mode of multiple trains at the same speed and with very small intervals is realized through the wireless communication. In this way, a train that remains synchronized at a distance can be considered to be coupled, changing a traditional physical coupler coupling into a wireless communication coupling as compared to a traditional approach.
When the train backbone network is initially operated, train backbone network communication needs to be established, a white list is established for improving the establishment efficiency, and only trains in the white list enter the train backbone network communication establishment process. Therefore, a reasonable whitelist establishment method is important.
Disclosure of Invention
In order to solve the above problems, the present application provides a method, an apparatus and a storage medium for establishing a white list.
In a first aspect of the present application, a method for establishing a whitelist is provided, which is applied to a virtually grouped train;
the method comprises the following steps:
generating a sub-list of a group of trains at the end of the virtual consist, wherein the sub-list comprises the identification of the group of trains at the end of the virtual consist;
the sub-list is supplemented by a group of trains positioned at the end part of the virtual grouping, and the respective identifications are transmitted to another group of trains positioned at the end part of the virtual grouping after the sub-list is supplemented by the trains not positioned at the end part of the virtual grouping;
and the other group of trains positioned at the end part of the virtual marshalling supplements the identification of the other group of trains to the received sub-list, and then establishes a white list.
In a second aspect of the present application, there is provided an electronic device, including:
A memory;
a processor; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to implement the method as described in the first aspect above.
In a third aspect of the present application, there is provided a computer-readable storage medium having a computer program stored thereon; the computer program is executed by a processor to implement the method as described in the first aspect above.
The application provides a white list establishing method, equipment and storage medium, which are applied to virtually grouped trains, wherein the method comprises the steps that a group of trains positioned at the end part of the virtually grouped trains generate a sub-list, and the sub-list comprises identifications of a group of trains positioned at the end part of the virtually grouped trains; the sub-list is supplemented by a group of trains positioned at the end part of the virtual grouping, and the respective identifications are transmitted to another group of trains positioned at the end part of the virtual grouping after the trains not positioned at the end part of the virtual grouping are supplemented into the sub-list; the other group of trains at the end of the virtual consist supplements its identification to the received sub-list and establishes a white list. According to the method for establishing the white list, the sub-lists are maintained together through the virtually grouped trains, so that the white list is formed, and the accurate establishment of the white list is realized.
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 embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a flow chart of a method for establishing a white list according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a train according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is given with reference to the accompanying drawings, and it is apparent that the described embodiments are only some of the embodiments of the present application and not exhaustive of all the embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
In the process of implementing the application, the inventor finds that when the train backbone network is initially operated, train backbone network communication needs to be established, a white list is established for improving the establishment efficiency, and only trains in the white list enter the train backbone network communication establishment process. Therefore, a reasonable whitelist establishment method is important.
Based on this, the embodiment of the application provides a method, equipment and storage medium for establishing a white list, which are applied to virtually grouped trains, wherein the method comprises the steps that a group of trains positioned at the end part of the virtually grouped trains generate a sub list, and the sub list comprises identifications of a group of trains positioned at the end part of the virtually grouped trains; the sub-list is supplemented by a group of trains positioned at the end part of the virtual grouping, and the respective identifications are transmitted to another group of trains positioned at the end part of the virtual grouping after the trains not positioned at the end part of the virtual grouping are supplemented into the sub-list; the other group of trains at the end of the virtual consist supplements its identification to the received sub-list and establishes a white list. According to the method for establishing the white list, the sub-lists are maintained together through the virtually grouped trains, so that the white list is formed, and the accurate establishment of the white list is realized.
Referring to fig. 1, the method for establishing a white list is applied to a virtually grouped train.
Two ends of the train are respectively provided with an RFID transponder (Radio Frequency Identification).
In-vehicle devices of a train-ground communication system, an RFID reader (i.e., ED, end Device), a WLTBN (wireless train backbone node Device), and a UE (User Equipment) are provided in the train.
For example, the train shown in fig. 2, wherein 1 and 2 are respectively RFID transponders arranged at two ends of the train, WLTBN is wireless train backbone network node equipment, UE is backbone network user access equipment, and ED is an RFID reader.
In establishing train backbone network communication, only the WLTBN of a unique group of trains is in an active state in the trains completing virtual grouping.
The implementation flow of the method for establishing the white list provided by the embodiment is as follows:
101, a set of trains at the end of the virtual consist generates a sub-list.
Wherein the sub-list includes an identification of a group of trains located at the end of the virtual consist.
Before step 101 is performed, each group of trains has completed the establishment of train backbone communication for virtual consist, so that each train can determine its location in the virtual consist by an RFID reader, for example:
the UE of any train confirms through its RFID reader whether there is an RFID transponder of the virtually grouped train interacting with it.
If two trains interact with the virtual group, the front end and the rear end of the virtual group are connected with one group of trains, and the UE of any train determines that any train is not positioned at the end of the virtual group, namely positioned in the middle of the virtual group.
If only one train interacts with the virtual group, the front end or the rear end of the virtual group is connected with one train, and the connected trains are not stored at both ends, and the UE of any train determines that any train is positioned at the end of the virtual group.
In this step, a group of trains (e.g., train 1) at the end generates a sub-list of their identifications.
102, a group of trains at the end of the virtual consist supplements the sub-list with their respective identifications by trains not at the end of the virtual consist and transmits them to another group of trains at the end of the virtual consist.
In particular, the method comprises the steps of,
1. the UE of a group of trains at the end of the virtual consist sends a sub-list to the UE of the group of trains directly connected thereto.
2. The UE receiving the train of the sub-list supplements its identity to the last row of the received sub-list.
3. The UE receiving the sub-list of trains sends the supplementary sub-list to the next group of trains.
4. And if the next train is not positioned at the other train at the end of the virtual marshalling, repeating the step that the UE of the next train supplements the identification of the next train to the last row of the received sub-list, and sends the sub-list supplemented by the UE of the next train to the next train. If the latter train is another train at the end of the virtual consist, the process exits and step 103 is executed.
Taking the virtual consist of train 1, train 2, train 3 and train 4 as examples.
1. The UE of train 1 sends a sub-list (including the identity of train 1) to the UE of the group of trains (i.e., train 2) to which it is directly connected.
2. The UE of train 2 supplements its identity to the last row of the received sub-list. At this time, the sub-list is the identifier of the train 1 and the identifier of the train 2.
3. Train 2 sends the supplementary sub-list (i.e., the sub-list is the identity of train 1, the identity of train 2) to the next group of trains (i.e., train 3).
4. And if the train 3 is not positioned at the end of the virtual marshaling, the UE of the train 3 supplements the identification of the train 3 to the last row of the received sub-list (namely, the sub-list is the identification of the train 1, the identification of the train 2 and the identification of the train 3), and the sub-list supplemented by the UE of the train 3 (namely, the sub-list is the identification of the train 1, the identification of the train 2 and the identification of the train 3) is sent to the next train (namely, the train 4).
Since train 4 is another group of trains at the end of the virtual consist, this step is exited and step 103 is performed.
By this step, all trains located in the middle of the virtual consist will have their respective identifications supplemented into the sub-list in their order in the virtual consist.
In addition, in order to ensure that the trains in the report list are all matched trains, the trains in the report list are also verified, such as braking, maximum speed matching and the like.
Specifically, before the UE receiving the train of the sub-list supplements the identifier of the UE to the last row of the received sub-list, the UE receiving the train of the sub-list also checks the received sub-list, and determines that the check is successful. If the verification is unsuccessful, the train is not matched, the method provided by the embodiment is exited, and the establishment of the white list is stopped.
Before the UE of the next train supplements the identification of the next train to the last row of the received sub-list, the UE of the next train also checks the received sub-list and determines that the check is successful. If the verification is unsuccessful, the train is not matched, the method provided by the embodiment is exited, and the establishment of the white list is stopped.
103, another group of trains at the end of the virtual consist supplements the identification thereof to the received sub-list and establishes a white list.
In particular, the method comprises the steps of,
1. the UE of another group of trains at the end of the virtual consist supplements its identity to the received sub-list.
2. The UE of another group of trains at the end of the virtual consist synchronizes its complementary sub-list to the other trains of the virtual consist.
3. After the UE of the train with the WLTBN in the active state receives the synchronous sub-list, the synchronous sub-list is checked.
4. If the verification is passed, the UE of the train with the WLTBN in an active state determines the synchronous sub-list as a white list.
Still taking the example in step 102 as an example,
1. the UE of another group of trains (i.e., train 4) at the end of the virtual consist supplements its identity to the received sub-list (i.e., the sub-list is the identity of train 1, the identity of train 2, the identity of train 3, the identity of train 4).
2. The UE of train 4 synchronizes its supplemented sub-list (i.e., the sub-list is the identity of train 1, the identity of train 2, the identity of train 3, the identity of train 4) to the other trains (i.e., trains 1, 2, and 3) of the virtual consist.
3. After the UE of the train with the WLTBN in the active state receives the synchronous sub-list, the synchronous sub-list is checked.
4. If the verification is passed, the UE of the train with the WLTBN in an active state determines the synchronous sub-list as a white list.
Similarly, in order to ensure that the trains in the report list are all matched trains, before the UE of the other group of trains positioned at the end of the virtual grouping supplements the received sub-list with the identification of the other group of trains positioned at the end of the virtual grouping, the UE of the other group of trains positioned at the end of the virtual grouping also checks the received sub-list, and the success of the check is determined. If the verification is unsuccessful, the train is not matched, the method provided by the embodiment is exited, and the establishment of the white list is stopped.
After step 103 is performed, the whitelist is also synchronized to all trains of the virtual consist.
For example: the UE of the train with WLTBN in active state synchronizes whitelists to other trains of the virtual consist.
After synchronizing the whitelist, the UE of the train with WLTBN in active state sends whitelist establishment completion information to the other trains of the virtual consist.
It should be noted that, the information interaction is realized through the communication of the train backbone network established by the trains in the virtual marshalling.
In addition, the method for establishing the white list is realized based on the virtual grouping of the trains, and the virtual grouping process of the trains is as follows: the train establishes train backbone network communications, based on which virtual consist is completed.
The establishment process of train backbone network communication is realized based on a control center and a plurality of groups of trains for grouping, and the specific realization process is as follows:
301, the control center determines each train to be grouped.
When a train needs to be grouped, the control center determines each train to be grouped.
Among the situations in which a train needs to be grouped include various, for example:
1. two trains of different lines meet at a switch
For this case, the control center will determine the two trains to be each train that makes a consist.
When in specific implementation, 1) a group of trains which firstly acquire turnout control right are front trains and pass through turnouts preferentially; 2) Before the front truck passes through the fork, the rear truck catches up with the front truck, train backbone network communication is established between the two trains through the establishment process of train backbone network communication, and virtual grouping is established; 3) The front vehicle passes through the turnout according to a single-vehicle aisle turnout mode; 4) The rear car runs through the turnout according to the front car command.
2. Two trains in the same line meet at the turnout
For this case, the control center will determine the two trains to be each train that makes a consist.
When the method is specifically implemented, 1) a rear vehicle catches up with a front vehicle, train backbone network communication is established between the two trains through the establishment process of the train backbone network communication, and virtual grouping is established; 2) The two train groups pass the turnout according to the single train turnout mode.
In addition to the 2 cases described above, the train backbone communication needs to be established through the establishment process of the train backbone communication at different stages, and further the grouping is performed. For example:
1. rear vehicle and front vehicle
For this case, the control center will determine the front and rear trains as each train to be grouped.
When the method is specifically implemented, the rear train tracks the front train, the train backbone communication is established between the two trains through the establishment process of the train backbone communication, virtual grouping is established, and then the train is grouped to achieve the driving process of a stable target interval.
In the process of following the rear vehicle and tracking the front vehicle, the aim of interval control can be achieved by controlling the train to be at a certain interval in the running process and adopting a corresponding running speed mode.
The marshalling cooperative control adjusts the target interval according to different working conditions of the two vehicles. Acceleration a in the process of speed change of train up And maximum deceleration a down While operating, the rate of change of acceleration (jerk) should not affect the comfort of the passengers, these values are determined according to the operating characteristics of the train.
According to the state when the front and rear vehicles establish the marshalling, the working conditions are divided into the following 9 types:
1) Front vehicle running at constant speed
The front vehicle runs at a constant speed of V1, the rear vehicle runs at a constant speed of V2, and V2 is greater than V1. And establishing train backbone network communication between the two groups of trains through the establishment process of the train backbone network communication, and when establishing virtual grouping, acquiring a rear vehicle position by the front vehicles through workshop communication and calculating the front and rear vehicle intervals according to the vehicle position.
The front car uniform running scene decomposition is shown in table 1:
TABLE 1
Sequence number | Vehicle state after marshalling moment | Rear-vehicle behavior control of front-vehicle after marshalling |
1 | At a uniform speed | At uniform speed->Speed reducing operation |
2 | Acceleration of | Acceleration->Speed reducing operation |
3 | Deceleration of | Decelerating to V1->At constant speed |
2) Front vehicle uniform acceleration running
The front vehicle runs at speed V1 with uniform acceleration, and the rear vehicle runs at speed V2, V2> V1. And establishing train backbone network communication between the two groups of trains through the establishment process of the train backbone network communication, and when establishing virtual grouping, acquiring a rear vehicle position by the front vehicles through workshop communication and calculating the front and rear vehicle intervals according to the vehicle position.
The decomposition of the front vehicle uniform acceleration operation scene is shown in table 2:
TABLE 2
3) Front vehicle uniform deceleration operation
The front vehicle starts to run at a speed V1 at a uniform speed, and the rear vehicle runs at a speed V2, V2> V1. And establishing train backbone network communication between the two groups of trains through the establishment process of the train backbone network communication, and when establishing virtual grouping, acquiring a rear vehicle position by the front vehicles through workshop communication and calculating the front and rear vehicle intervals according to the vehicle position.
The decomposition of the front vehicle uniform deceleration running scene is shown in table 3:
TABLE 3 Table 3
Wherein,,
LB1 is a deceleration distance, and after the front and rear vehicles run to reach the deceleration distance, the rear vehicles must run at a reduced speed;
2. interval control process
For this case, the control center will determine the front and rear trains as each train to be grouped.
And establishing train backbone network communication between the two trains through the establishment process of the train backbone network communication, and transmitting traction braking force information of the rear handle bars to the front train at the first moment after virtual grouping is established, and performing force calculation at the next moment by using the traction braking force exerted by the front train and the rear train as a basis.
U is the output traction force, U last The traction is calculated for the previous time.
Calculating the next calculated value, calculating a speed-interval distance curve of the rear vehicle under nine working conditions according to the front vehicle, obtaining positioning information of the rear vehicle through train-to-train communication, and calculating the relative interval distance between the two trains; after the front train stably receives signals sent by the rear train by adopting an accurate positioning means, the front train obtains the interval between two trains by preferentially using the accurate positioning means and redundantly using the train positioning to calculate the interval between the two trains; the head car collects train speed information in real time, and calculates speed deviation according to the workshop spacing distance; according to the speed deviation, considering the speed limit, the acceleration limit and the jerk limit of the train, calculating the traction force/braking force F to be applied; the front vehicle sends the traction force/braking force to be applied to the rear vehicle wireless marshalling control unit through the wireless marshalling control unit, and the rear vehicle wireless marshalling control unit forwards the traction force/braking force to the CCU; the rear CCU issues a request value to the traction system or braking system of the train to apply traction to accelerate the train to a control speed or to apply braking force to decelerate the train to a prescribed value.
The preceding vehicle calculates a speed-interval distance curve at intervals (5 s) to correct the running deviation.
302, the control center forms information of each train into grouping information.
The group information includes an ID (identification), a direction, and the number of cars of each train.
303, the control center transmits grouping information to each train.
Specifically, the consist information is transmitted to each train through the train-ground communication system. Alternatively, consist information is transmitted to each train by means of RFID transponders located at fixed locations on the track.
For example, for each train of which the control center determines to operate in a marshalling mode, forming one piece of information of train ID, direction, carriage number and the like which need to be marshalled, namely, transmitting marshalling input information to the marshalling through LTE wireless communication; and the control center writes information to the RFID transponder at the fixed position of the track.
304, any group of trains acquires the grouping information sent by the control center.
For convenience of description, this embodiment will be described taking any one train group as a train a as an example.
For example, the UE of the train a acquires the group information transmitted from the control center through the in-vehicle device of the train ground communication system of the train. Alternatively, the UE of train a obtains the consist information transmitted by the control center from the RFID transponders located at the fixed locations of the track via the RFID reader of the train.
In addition, after the train a acquires the grouping information sent by the control center, the UE of the train a stores the grouping information in the WLTBN of the train.
Note that train a is a single group of trains for which no train backbone communication is established.
And 305, any group of trains performs train discovery according to the grouping information.
In particular, the method comprises the steps of,
1. the UE of train a interacts with RFID transponders of other trains through the RFID reader of the train to obtain the identities of the other trains (e.g., the identity of train B).
Wherein the other trains are a group of trains which do not establish train backbone network communication or a group of trains which are positioned at the end in the grouped trains which have established train backbone network communication.
I.e. the other trains (like train B) may be a group of separate trains or a group of marshalling trains that have established backbone communication.
2. The UE of train a determines whether there is an identification of other trains (e.g., train B) in the consist information.
3. If so, the UE of train a determines to find the train in the consist. If not, the UE of train a determines that no train in the consist is found, and re-executes step 305 to continue train discovery.
306, when any group of trains discovers a train in the consist, then train backbone communication is established with the discovered trains.
Specifically, the UE of the train a performs communication signal interaction with UEs of other trains (such as the train B), and establishes train backbone network communication.
In addition, after step 306 is performed, an initial activation of the WLTBN is also performed.
The initial activation process is as follows:
1. and the UE of the train A acquires the minimum identifier corresponding to other trains (such as the train B).
If the other trains (e.g., train B) are a group of trains for which no train backbone communication is established, the minimum identifier corresponding to the other trains is the identifier of train B. If the other trains (such as the train B) are a group of trains positioned at the end part in the grouped trains with the established train backbone network communication, the minimum identifier corresponding to the other trains is the minimum identifier of the trains in the grouped trains.
2. If the identification of the train A is smaller than the minimum identification, the UE of the train A controls the WLTBN of the train A to be in an activated state.
That is, if the other train being discovered (e.g., train B) is a separate group of trains, then train B is active with the WLTBN identified as the small group in train a. If the other trains found (e.g., train B) are the group of trains located at the end of the consist trains for which the train backbone communication has been established, then all consist trains for which the train backbone communication has been established and the WLTBN for the group of train a with the small identity are in an active state.
That is, during the initial activation process, no matter how many groups of trains are after the train backbone communication is established at this time, the WLTBN that is the group of trains with the smallest identification is always in an active state.
But only the WLTBN of a group of trains will be active for the train backbone communication established by the train backbone communication establishment procedure. And for the case that the found other trains are a group of trains located at the end in the grouped trains of the established train backbone network communication, since the grouped trains of the established train backbone network communication have determined the activated WLTBN (i.e. the WLTBN whose minimum identity corresponds to the train) in the initial activation process when the train backbone network communication is established through the establishment process of the train backbone network communication, if the identity of the train a is smaller after joining the train a, the activated WLTBN needs to be changed to the backup state. Namely, the UE of the train A sends a request to the UE of the train corresponding to the minimum identifier, and the request is used for indicating the UE of the train corresponding to the minimum identifier to control the WLTBN to be in a backup state.
In addition, after the UE of train a controls the WLTBN of train a to be in an active state, the identity of the WLTBN that is active is recorded.
After initial activation of the WLTBN, the WLTBN is also identified for simultaneous activation of all trains establishing train backbone communications.
Such as:
1) The UE of the train A sends the WLTBN identification of the train A to the control center through the vehicle-mounted device of the train ground communication system of the train so as to instruct the control center to synchronize the WLTBN identification of the train A.
2) The control center acquires the WLTBN identification (namely the WLTBN identification of the train A) of the grouped trains which are communicated with the established train backbone network, and synchronizes the WLTBN identification to each train through the RFID transponder positioned at the fixed position of the track.
3) The UEs of all trains (including train a) that establish train backbone communication receive the control center synchronized WLTBN identification (i.e., the WLTBN identification of train a) from the RFID transponders located at the track-fixed locations via the RFID readers of the trains.
If the train other than the train A receives the WLTBN identification, the identification is a new WLTBN identification, and the new WLTBN identification is recorded. I.e., the new WLTBN identification is not received to the WLTBN identification of the train itself.
If the train A receives the WLTBN identifier, the received WLTBN identifier is the WLTBN identifier of the train A, at the moment, the identifier is not the new WLTBN identifier, after the UE of the train A controls the WLTBN of the train A to be in an activated state, the identifier of the activated WLTBN is recorded, and at the moment, the record is not carried out.
After recording the WLTBN of the active state, the UE of each train can connect with the active WLTBN.
In addition, after step 306 is performed, the establishment of train backbone communication is exited after all trains in the consist information are recorded.
That is, when a train in a consist is found, after establishing train backbone communication with the found train, the UE of train a will also tag the identity of the other trains (e.g., train B).
At the same time, the other trains (train B) will also synchronize the identification of train a to all trains that establish communication to the train backbone.
For example, the number of the cells to be processed,
1) The train B transmits a labeling identifier (i.e., the identifier of the train a) to the control center to the in-vehicle device that passes through the train-ground communication system of the train B.
2) The control center obtains the marking identification (namely the identification of the train A) sent by the grouped trains with the established train backbone network communication.
Wherein the marking identifier is sent to the control center by the grouped trains with established train backbone network communication.
3) The control center sends the labeling identification to the RFID transponders at the fixed positions of the tracks so as to synchronize each train through the RFID transponders.
4) The UE of all trains (including train a) that establish train backbone communication receives the control center synchronized tag identification (i.e., the identification of train a) from the RFID transponders located at the track-fixed locations through the RFID readers of the trains.
5) The UE of all trains (including train a) that establish the train backbone communication annotates the annotation identification (i.e., the identification of train a).
It should be noted that, in the above process, the train a is a single group of trains for which no train backbone communication is established, and after the train a establishes the train backbone communication through the above process, if it is located at the end of the grouped trains in the train backbone communication, it may be found by other trains, for example, by the train C, which is then the other train (i.e., the train B) of the above process.
That is, if the train a is found by a new train (e.g., the train C) when the above steps are performed after the above steps are performed, when the train C performs the step 305 to perform the train discovery according to the grouping information, if the RFID transponder of the train a is found by the new train (e.g., the train C), the UE of the train a performs the communication signal interaction with the UE of the train C, and the train backbone communication is established.
Wherein the new train (e.g., train C) does not establish train backbone communication.
The process of the RFID transponder of the train A confirming the discovery by the new train (such as the train C) is as follows:
and the UE of the train A interacts with the RFID transponder of the train C through the RFID reader of the train to acquire the identification of the train C.
The UE of train a determines whether an identification of train C exists in the consist information.
If so, the UE of train a confirms discovery by the new train. If the RFID transponder of the train A does not exist, ending the discovered process, and restarting the process of confirming the discovered new train by the RFID transponder of the train A.
Additionally, after train a is discovered by train C, train C performs step 306 to establish train backbone network communications with train a. If train a has activated its WLTBN during the execution of the above steps and the identity of train C is less than the identity of train a during the discovery of this round by train C, then train C will activate its WLTBN, which train a needs to change to a backup state to ensure that only the WLTBN of a group of trains is in an active state in the established train backbone network communication.
Specifically, the UE of train C may send a request to the UE of train a, which receives the request sent by train C. The UE of train a controls the WLTBN of train a to be in a backup state.
In addition, train A will also mark train C's identity after establishing train backbone network communication with train A, step 306, i.e
1) The UE of train a marks the identity of the new train (e.g., train C).
2) The UE of the train A takes the identification of the train C as the labeling identification.
3) The UE of train a sends a labeling identifier (i.e., the identifier of train C) to the control center through the vehicle-mounted device of the train-ground communication system of the train, so as to instruct the control center to synchronously label the identifier.
4) The control center sends the tag identification (i.e., the identification of train C) to the RFID transponders located at the fixed locations of the track to synchronize to each train via the RFID transponders.
5) The UE of all trains (including train a and train C) that establish train backbone communication receives the control center synchronized tag identification (i.e., the identification of train C) from the RFID transponders located at the track-fixed locations via the RFID readers of the trains.
6) The UE of all trains establishing the train backbone communication marks the marked identity (i.e. the identity of train C).
If all the identifications in the grouping information are marked by the UE of the train, the establishment of the communication of the table name train backbone network is completed, and the UE of the train controls the establishment method of the communication of the train backbone network.
And executing the building method of the train backbone network communication.
When the method is specifically executed, the following situations occur in the process of establishing train backbone network communication through the process of establishing train backbone network communication: after a preset time delay, all the groups in the group information can not be found out, and after the preset time is passed, the building method flow of backbone network communication can be exited, and an alarm prompt is given.
In addition, only initial activation of WLTBN is carried out in the process of the establishment method of train backbone network communication, all the groups in the group information are found out completely, thus completing establishment of all train backbone network communication, and final activation of WLTBN is carried out after virtual group is realized. The final activation flow is as follows:
501, the trains with wltbn in active state determine the number of virtually grouped train groups.
Because the initial activation of the WLTBN is performed when the communication of the train backbone network is established and the marshalling is performed, the WLTBN of a group of trains is already in an activated state before the step is performed, that is, the WLTBN of the train with the smallest identification in the virtual marshalling is in an activated state.
The step is that the train with the WLTBN in an active state determines the total number of the trains in the virtual group.
The trains with wltbn in active state determine the main character trains among the virtually grouped trains according to the group number 502.
If the number of the groups is not more than 2, the UE of the train with the WLTBN in the active state determines that the train with the master role is the train with the WLTBN in the active state.
If the number of groups is greater than 2, then
When the number of groups is odd, the UE of the train with WLTBN in active state determines the master character train as a group of trains located in the middle of the virtual consist.
When the number of groups is even, the UE of the train with the WLTBN in an active state determines that the master role train is a group train with small identification in two groups of trains positioned in the middle of the virtual group.
That is, the train located in the middle of the virtual consist is the main character train, and if there are two trains located in the middle, the one identified as the smallest of the two is selected as the main character train.
In order to ensure the validity of the master role, after the train in the WLTBN in the active state determines the master role train, the confirmation of the master role train is also acquired, the final master role train is obtained only if the confirmation is received, then step 503 is executed, if the confirmation is not received, the next set of trains of the master role train is determined as the master role train, the confirmation of the new master role train is obtained again, if the confirmation is not confirmed, the next set of trains of the current master role train is taken as the master role train, and the cycle is performed until the confirmation of one set of trains is obtained, and finally the master role train is obtained.
For example, the UE of the train with WLTBN in active state obtains the acknowledgement message fed back by the UE of the master role train. If the confirmation message is not acquired, the UE of the train with the WLTBN in the active state updates the main role train to a group of trains following the main role train. And repeatedly executing, wherein the UE of the train with the WLTBN in the active state acquires the confirmation message fed back by the UE of the train with the main role, and if the confirmation message is not acquired, updating the train with the main role by the UE of the train with the WLTBN in the active state until the confirmation message is acquired.
503, synchronizing the WLTBN identification of the master role train to the other trains of the virtual consist.
For example, the UE of the master role train synchronizes the WLTBN identification of the master role train to the other trains of the virtual consist.
In addition, the unique activated WLTBN of the virtual consist is changed to the WLTBN of the master role train prior to synchronizing the WLTBN identifications of the master role train. For example: before the master role train synchronizes the WLTBN identification of the master role train to other trains of the virtual consist, the UE of the train with the WLTBN in an active state controls the WLTBN to be in a backup state. The UE of the master role train controls its WLTBN to be in an active state.
For example, the UE of the train with WLTBN in active state sends an activation request to the UE of the master role train. The UE of the master role train controls its WLTBN to be in an active state based on the activation request.
In the method for white list provided in this embodiment,
1. each consist vehicle detects its own consist relative position, i.e. by means of RFID whether the own consist vehicle is at the end of the consist.
2. If the vehicle is an end marshalling vehicle, generating a sub-list of marshalling information such as a vehicle identification of the marshalling vehicle and sending the sub-list to adjacent marshalling vehicles; if not, waiting for a sub-list sent by an adjacent consist vehicle.
3. The UE of the non-end marshalling vehicle adds the marshalling information of the marshalling to the obtained sub-list (namely marshalling information packet) in sequence, and sends the marshalling information to the next marshalling train according to the reverse direction of the received sub-list.
4. And after the grouping information packet is checked and checked to be correct, the grouping information such as the vehicle identification is added into the sub list.
5. After receiving the sub-list sent by the previous train, the marshalling vehicle at the WLTBN activating end performs secondary verification, and after the verification is correct, the communication white list establishment is completed, and white list establishment completion information is sent to each marshalling, and the white list establishment flow is exited. The whitelist contains information of all trains in the consist, the information table defining a whitelist of communication connections.
In the method provided by the embodiment, a group of trains positioned at the end part of the virtual marshalling generate a sub-list, wherein the sub-list comprises the identifications of a group of trains positioned at the end part of the virtual marshalling; the sub-list is supplemented by a group of trains positioned at the end part of the virtual grouping, and the respective identifications are transmitted to another group of trains positioned at the end part of the virtual grouping after the trains not positioned at the end part of the virtual grouping are supplemented into the sub-list; and the other group of trains positioned at the end part of the virtual marshalling supplements the identification of the other group of trains to the received sub-list and establishes the white list, so that the accurate establishment of the white list is realized.
Based on the same inventive concept of the above method and system, the present embodiment further provides an electronic device, where the electronic device is located in a virtually grouped train, and the electronic device includes: memory, processor, and computer program.
Wherein the computer program is stored in a memory and configured to be executed by a processor to implement the method of establishing a white list as in the embodiment shown in fig. 1.
In particular, the method comprises the steps of,
a set of trains at the end of the virtual consist generates a sub-list that includes an identification of the set of trains at the end of the virtual consist.
The sub-list is supplemented by a group of trains at the end of the virtual consist, and the respective identifications are transmitted to another group of trains at the end of the virtual consist after the trains at the end of the virtual consist are supplemented into the sub-list.
The other group of trains at the end of the virtual consist supplements its identification to the received sub-list and establishes a white list.
Optionally, two ends of each train in the virtual consist are respectively provided with a radio frequency identification RFID transponder.
Each train is internally provided with a vehicle-mounted device of a train-ground communication system, an RFID reader, a wireless train backbone network node device WLTBN and a backbone network user access device UE.
Optionally, before the group of trains at the end of the virtual consist generates the sub-list, the method further includes:
the UE of any train confirms through its RFID reader whether there is an RFID transponder of the virtually grouped train interacting with it.
If two trains interact with the virtual consist, the UE of any train determines that any train is not located at the end of the virtual consist.
If only one set of trains interacts with it, then the UE of any train determines that any train is at the end of the virtual consist.
Optionally, after the group of trains at the end of the virtual consist supplements the sub-list with the respective identifications by the trains not at the end of the virtual consist, the sub-list is transmitted to another group of trains at the end of the virtual consist, including:
the UE of a group of trains at the end of the virtual consist sends a sub-list to the UE of the group of trains directly connected thereto.
The UE receiving the train of the sub-list supplements its identity to the last row of the received sub-list.
The UE receiving the sub-list of trains sends the supplementary sub-list to the next group of trains.
And if the next train is not positioned at the other train at the end of the virtual marshalling, repeating the step that the UE of the next train supplements the identification of the next train to the last row of the received sub-list, and sends the sub-list supplemented by the UE of the next train to the next train.
Optionally, the WLTBN for only one group of trains in the virtual consist is active.
Another group of trains at the end of the virtual consist supplements its identification to the received sub-list and establishes a white list, comprising:
the UE of another group of trains at the end of the virtual consist supplements its identity to the received sub-list.
The UE of another group of trains at the end of the virtual consist synchronizes its complementary sub-list to the other trains of the virtual consist.
After the UE of the train with the WLTBN in the active state receives the synchronous sub-list, the synchronous sub-list is checked.
If the verification is passed, the UE of the train with the WLTBN in an active state determines the synchronous sub-list as a white list.
Optionally, before the UE that receives the train of the sub-list supplements its identification to the last row of the received sub-list, the method further includes:
and the UE of the train receiving the sub-list checks the received sub-list and determines that the check is successful.
The UE of the next train supplements the identity of the next train to the last row of the received sub-list, further comprising:
and the UE of the next train checks the received sub-list and determines that the check is successful.
Optionally, before the UE of another group of trains at the end of the virtual consist supplements its identity to the received sub-list, the method further comprises:
And the UE of the other group of trains positioned at the end of the virtual marshalling checks the received sub-list and determines that the check is successful.
Optionally, after the UE of the train in which the WLTBN is in the active state determines the synchronized sub-list as the white list, the method further includes:
the UE of the train with WLTBN in active state synchronizes whitelists to other trains of the virtual consist.
Optionally, after the UE of the train in which the WLTBN is in the active state determines the synchronized sub-list as the white list, the method further includes:
and the UE of the train with the WLTBN in the active state sends the white list establishment completion information to other trains in the virtual group.
The electronic device provided by the embodiment generates a sub-list of a group of trains positioned at the end part of the virtual marshalling, wherein the sub-list comprises the identifications of a group of trains positioned at the end part of the virtual marshalling; the sub-list is supplemented by a group of trains positioned at the end part of the virtual grouping, and the respective identifications are transmitted to another group of trains positioned at the end part of the virtual grouping after the trains not positioned at the end part of the virtual grouping are supplemented into the sub-list; and the other group of trains positioned at the end part of the virtual marshalling supplements the identification of the other group of trains to the received sub-list and establishes the white list, so that the accurate establishment of the white list is realized.
Based on the same inventive concept of the above method and system, the present embodiment also provides a computer readable storage medium located in a virtually grouped train. The computer-readable storage medium has a computer program stored thereon. The computer program is executed by the processor to implement the method of establishing a white list as in the embodiment shown in fig. 1.
In particular, the method comprises the steps of,
a set of trains at the end of the virtual consist generates a sub-list that includes an identification of the set of trains at the end of the virtual consist.
The sub-list is supplemented by a group of trains at the end of the virtual consist, and the respective identifications are transmitted to another group of trains at the end of the virtual consist after the trains at the end of the virtual consist are supplemented into the sub-list.
The other group of trains at the end of the virtual consist supplements its identification to the received sub-list and establishes a white list.
Optionally, two ends of each train in the virtual consist are respectively provided with a radio frequency identification RFID transponder.
Each train is internally provided with a vehicle-mounted device of a train-ground communication system, an RFID reader, a wireless train backbone network node device WLTBN and a backbone network user access device UE.
Optionally, before the group of trains at the end of the virtual consist generates the sub-list, the method further includes:
the UE of any train confirms through its RFID reader whether there is an RFID transponder of the virtually grouped train interacting with it.
If two trains interact with the virtual consist, the UE of any train determines that any train is not located at the end of the virtual consist.
If only one set of trains interacts with it, then the UE of any train determines that any train is at the end of the virtual consist.
Optionally, after the group of trains at the end of the virtual consist supplements the sub-list with the respective identifications by the trains not at the end of the virtual consist, the sub-list is transmitted to another group of trains at the end of the virtual consist, including:
the UE of a group of trains at the end of the virtual consist sends a sub-list to the UE of the group of trains directly connected thereto.
The UE receiving the train of the sub-list supplements its identity to the last row of the received sub-list.
The UE receiving the sub-list of trains sends the supplementary sub-list to the next group of trains.
And if the next train is not positioned at the other train at the end of the virtual marshalling, repeating the step that the UE of the next train supplements the identification of the next train to the last row of the received sub-list, and sends the sub-list supplemented by the UE of the next train to the next train.
Optionally, the WLTBN for only one group of trains in the virtual consist is active.
Another group of trains at the end of the virtual consist supplements its identification to the received sub-list and establishes a white list, comprising:
the UE of another group of trains at the end of the virtual consist supplements its identity to the received sub-list.
The UE of another group of trains at the end of the virtual consist synchronizes its complementary sub-list to the other trains of the virtual consist.
After the UE of the train with the WLTBN in the active state receives the synchronous sub-list, the synchronous sub-list is checked.
If the verification is passed, the UE of the train with the WLTBN in an active state determines the synchronous sub-list as a white list.
Optionally, before the UE that receives the train of the sub-list supplements its identification to the last row of the received sub-list, the method further includes:
and the UE of the train receiving the sub-list checks the received sub-list and determines that the check is successful.
The UE of the next train supplements the identity of the next train to the last row of the received sub-list, further comprising:
and the UE of the next train checks the received sub-list and determines that the check is successful.
Optionally, before the UE of another group of trains at the end of the virtual consist supplements its identity to the received sub-list, the method further comprises:
and the UE of the other group of trains positioned at the end of the virtual marshalling checks the received sub-list and determines that the check is successful.
Optionally, after the UE of the train in which the WLTBN is in the active state determines the synchronized sub-list as the white list, the method further includes:
the UE of the train with WLTBN in active state synchronizes whitelists to other trains of the virtual consist.
Optionally, after the UE of the train in which the WLTBN is in the active state determines the synchronized sub-list as the white list, the method further includes:
and the UE of the train with the WLTBN in the active state sends the white list establishment completion information to other trains in the virtual group.
The computer readable storage medium provided in this embodiment generates a sub-list of a group of trains located at an end of the virtual consist, the sub-list including identifications of the group of trains located at the end of the virtual consist; the sub-list is supplemented by a group of trains positioned at the end part of the virtual grouping, and the respective identifications are transmitted to another group of trains positioned at the end part of the virtual grouping after the trains not positioned at the end part of the virtual grouping are supplemented into the sub-list; and the other group of trains positioned at the end part of the virtual marshalling supplements the identification of the other group of trains to the received sub-list and establishes the white list, so that the accurate establishment of the white list is realized.
It will be appreciated by those skilled in the art that 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 solutions in the embodiments of the present application may be implemented in various computer languages, for example, object-oriented programming language Java, and an transliterated scripting language JavaScript, etc.
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 flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations 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 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. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (9)
1. The method for establishing the white list is characterized by being applied to virtually grouped trains;
The method comprises the following steps:
generating a sub-list of a group of trains at the end of the virtual consist, wherein the sub-list comprises the identification of the group of trains at the end of the virtual consist;
the sub-list is supplemented by a group of trains positioned at the end part of the virtual grouping, and the respective identifications are transmitted to another group of trains positioned at the end part of the virtual grouping after the sub-list is supplemented by the trains not positioned at the end part of the virtual grouping;
the other group of trains positioned at the end part of the virtual marshalling supplements the identification of the trains to the received sub-list and then establishes a white list;
two ends of each train in the virtual marshalling are respectively provided with a radio frequency identification RFID transponder;
each train is internally provided with a vehicle-mounted device of a train-ground communication system, an RFID reader, a wireless train backbone network node device WLTBN and a backbone network user access device UE;
the sub-list is supplemented by the group of trains at the end of the virtual group through the trains not at the end of the virtual group, and then the respective identifications are transmitted to another group of trains at the end of the virtual group, comprising:
the UE of a group of trains positioned at the end of the virtual marshalling sends the sub-list to the UE of a group of trains directly connected with the sub-list;
The UE of the train receiving the sub-list supplements the identification of the train to the last row of the received sub-list;
the UE of the train receiving the sub-list sends the supplemented sub-list to the next group of trains;
and if the next train is not positioned at the other train at the end of the virtual grouping, repeating the step that the UE of the next train supplements the identification of the next train to the last row of the received sub-list, and sends the sub-list supplemented by the UE of the next train to the next train.
2. The method of claim 1, wherein the group of trains at the end of the virtual consist further comprises, prior to generating a sub-list:
the UE of any train confirms whether RFID transponders of the virtually grouped trains interact with the virtually grouped trains through the RFID readers of the trains;
if two trains interact with the virtual grouping system, the UE of any train determines that any train is not positioned at the end part of the virtual grouping;
if only one group of trains interacts with it, the UE of any train determines that any train is at the end of the virtual consist.
3. A method as recited in claim 1, wherein WLTBN for only one group of trains in the virtual consist is active;
The other group of trains positioned at the end part of the virtual marshalling supplements the identification of the other group of trains to the received sub-list and establishes a white list, and the method comprises the following steps:
the UE of another group of trains positioned at the end of the virtual marshalling supplements the received sub-list with the identification thereof;
the UE of the other group of trains positioned at the end part of the virtual group synchronizes the supplementary sub-list of the other trains of the virtual group;
after receiving the synchronous sub-list, the UE of the train with the WLTBN in an activated state checks the synchronous sub-list;
if the verification is passed, the UE of the train with the WLTBN in an active state determines the synchronous sub-list as a white list.
4. The method of claim 1, wherein the UE of the received sub-list train supplements its identity to before the last row of the received sub-list, further comprising:
the UE of the train receiving the sub-list checks the received sub-list and determines that the check is successful;
the UE of the subsequent group of trains supplements the identification of the subsequent group of trains to the last row of the received sub-list, and further comprises:
and the UE of the next train checks the received sub-list and determines that the check is successful.
5. The method of claim 3, wherein the UE of the other group of trains at the end of the virtual consist supplements its identity to the received sub-list, further comprising:
And the UE of the other group of trains positioned at the end part of the virtual grouping checks the received sub-list, and determines that the check is successful.
6. A method as recited in claim 5, wherein after the UE of the train with the WLTBN in an active state determines the synchronized sub-list as a white list, further comprising:
the UE of the train with WLTBN in active state synchronizes the whitelist to the other trains of the virtual consist.
7. A method as recited in claim 5 or 6, wherein after the UE of the train with the WLTBN in an active state determines the synchronized sub-list as a white list, further comprising:
and the UE of the train with the WLTBN in the active state sends white list establishment completion information to other trains in the virtual group.
8. An electronic device, comprising:
a memory;
a processor; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to implement the method of any of claims 1-7.
9. A computer-readable storage medium, characterized in that a computer program is stored thereon; the computer program being executed by a processor to implement the method of any of claims 1-7.
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