OPERATION DIAGRAM-BASED METHOD FOR AUTOMATICALLY CHANGING ROUTE TO TURN BACK IN CASE OF INTERRUPTION

Abstract

The invention relates to an operation diagram-based method for automatically changing a route to turn back in case of interruption. The method obtains an alternative turn-back point according to the position of a fault point and the information of a line turn-back station, calculates a corresponding turn-back plan of the alternative turn-back point according to an operation diagram of the current day, and finally automatically changes an online train route according to the new turn-back plan, so as to realize automatic turn-back of a train after route adjustment in case of interruption. Compared with the prior art, the method has the advantage of being able to keep the compatibility with an existing operation diagram while quickly changing a route in case of partial line interruption, so as to facilitate quick recovery of planned operation after a fault is removed.

Claims

1. An operation diagram-based method for automatically changing a route to turn back in case of interruption, wherein the method comprises: obtaining an alternative turn-back point according to a position of a fault point and the information of a line turn-back station, calculating a corresponding turn-back plan of the alternative turn-back point according to an operation diagram of the current day, and finally automatically changing an online train route according to a new turn-back plan, so as to realize automatic turn-back of a train after route adjustment in case of interruption.

2. The operation diagram-based method for automatically changing a route to turn back in case of interruption according to claim 1, wherein the method comprises following steps: step S.sub.1) inputting fault position information, original operation diagram plan information and line station type diagram information; step S.sub.2) finding an affected original planned route, the alternative turn-back point and an alternative route according to information input in step S.sub.1; step S.sub.3) obtaining a departure interval of the alternative route obtained in step S.sub.2 according to a planned interval of the original planned route; step S.sub.4) calculating a turn-back time of the alternative route according to the departure interval of the alternative route obtained in step S.sub.3; step S.sub.5) making a matched new turn-back plan for an online train according to original operation diagram planned time and a position of the online train input in step S.sub.1; step S.sub.6) updating a running path of the online train according to the new turn-back plan obtained in step S.sub.5; step S.sub.7) conducting turn-back number changing according to the turn-back plan obtained in step S.sub.5 after the online train with route changed in step S.sub.6 reaches the alternative turn-back point; and step S.sub.8) after the online train arrives at another terminal of the alternative route, if the another terminal is a non-alternative turn-back point, turning back according to a planned train number obtained after number changing in step S.sub.7.

3. The operation diagram-based method for automatically changing a route to turn back in case of interruption according to claim 2, wherein step S.sub.2 specifically comprises: step S.sub.21, finding a platform affected by fault according to the fault position information input in step S.sub.1, and then obtaining the affected original planned route; step S.sub.22, searching for a nearest turn-back platform at both ends of a fault area according to the fault position information input in step S.sub.1 to obtain the alternative turn-back point; and step S.sub.23, searching for the alternative route according to the alternative turn-back point of step S.sub.22 and the original planned route of step S.sub.21.

4. The operation diagram-based method for automatically changing a route to turn back in case of interruption according to claim 2, wherein step S.sub.4 specifically comprises: step S.sub.41) determining whether there are multiple routes at the alternative turn-back point, and calculating constraint relationship between the routes if yes; and step S.sub.42) for a multi-route turn-back point, calculating a turn-back time according to the constraint relationship obtained in step S.sub.41, and for a single-route turn-back point, using a default turn-back time.

5. The operation diagram-based method for automatically changing a route to turn back in case of interruption according to claim 4, wherein step S.sub.41 specifically comprises: assuming that there are n routes at the alternative turn-back point A, a running cycle of the route n is T.sub.full cycle n =T.sub.turnback n +T.sub.operation n, where T.sub.operation n is to-and-fro time except turn-back, T.sub.tumback n is turn-back time of the turn-back point A, a departure interval is T.sub.interval n, and a number of trains required for the route n is N.sub.train n = T.sub.full cycle n/T.sub.interval n; and after route changing, the online train runs according to original planned time, that is, original planned to-and-fro running time except turn-back is T.sub.operation n = T.sub.plan n, and following constraint relationship is obtained: $\begin{array}{l}{\text{N}}_{\text{train}\text{n}}/{\text{N}}_{\text{train}\text{n-1}}\text{=}\\ \left({\text{T}}_{\text{turn-back}\text{n}}+{\text{T}}_{\text{plan}\text{n}}\right)\text{*}{\text{T}}_{\text{interval}\text{n-1}}/\left({\text{T}}_{\text{turn-back}\text{n-1}}+{\text{T}}_{\text{plan}\text{n-1}}\right){\text{*T}}_{\text{interval}\text{n}}\end{array}$ .

6. The operation diagram-based method for automatically changing a route to turn back in case of interruption according to claim 2, wherein step S.sub.5 specifically comprises: step S.sub.51, calculating an arrival plan of the alternative turn-back point; step S.sub.52, calculating time when the online train arrives at the alternative turn-back point after route changing; and step S.sub.53, according to the time obtained in step S.sub.52 and the arrival plan of the alternative turn-back point obtained in step S.sub.51, making a matched turn-back plan for the online train based on time.

7. The operation diagram-based method for automatically changing a route to turn back in case of interruption according to claim 6, wherein the step S.sub.51 is based on passenger on/off time of original operation diagram input in step S.sub.1 and the turn-back time of the alternative turn-back point obtained in step S.sub.4.

8. The operation diagram-based method for automatically changing a route to turn back in case of interruption according to claim 1, wherein the method comprises keeping compatibility with existing operation diagram.

9. The operation diagram-based method for automatically changing a route to turn back in case of interruption according to claim 1, wherein in case of interruption, the method comprises automatically changing a train route for a zone with turn-back conditions, so that the online train runs in a non-fault zone as planned.

10. The operation diagram-based method for automatically changing a route to turn back in case of interruption according to claim 1, wherein the method comprises automatically generating a turn-back plan of the alternative turn-back point according to a position of an online train.

Description

BRIEF DESCRIPTION OF DRAWINGS

[0043] FIG. 1 is a flowchart of the invention.

DESCRIPTION OF EMBODIMENTS

[0044] Hereinafter, the technical scheme in the embodiments of the invention will be described clearly and completely with reference to the drawings in the embodiments of the invention. Obviously, the described embodiments are only part of the embodiments of the invention, not all of the embodiments. Based on the embodiments of the invention, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of the invention.

[0045] The invention provides an operation diagram-based method for automatically changing a route to turn back in case of interruption. In case of interruption, the method automatically changes a train route for a zone with turn-back conditions, so that the train runs in a non-fault zone as planned.

[0046] The invention specifically comprises the following steps: [0047] step S.sub.1, inputting fault position information, original operation diagram plan information and line station type diagram information; [0048] step S.sub.2, finding an affected original planned route, the alternative turn-back point and an alternative route according to information such as the fault position input in step S.sub.1; [0049] step S.sub.3, obtaining a departure interval of the alternative route obtained in step S.sub.2 according to a planned interval of the original planned route; [0050] step S.sub.4, calculating a turn-back time of the alternative route according to the departure interval of the alternative route obtained in step S.sub.3; [0051] step S.sub.5, making a matched new turn-back plan for an online train according to the original operation diagram planned time and the position of the online train input in step S.sub.1; [0052] step S.sub.6, updating a running path of the online train according to the plan obtained in step S.sub.5; [0053] step S.sub.7, conducting turn-back number changing according to the turn-back plan obtained in S.sub.5 after the train with route changed in step S6 reaches the alternative turn-back point; and [0054] step S.sub.8, after the train arrives at a non-alternative turn-back point of the alternative route, turning back according to a planned train number obtained in step S.sub.7.

[0055] The step S.sub.2 specifically comprises: [0056] step S.sub.21, finding a platform affected by the fault according to the fault position information input in S.sub.1, and then obtaining the affected original planned route; [0057] step S.sub.22, searching for a nearest turn-back platform at both ends of a fault area according to the fault position information input in S.sub.1 to obtain the alternative turn-back point; and [0058] step S.sub.23, searching for the alternative route according to the alternative turn-back point of step S.sub.22 and the original planned route of step S.sub.21.

[0059] The step S.sub.4 specifically comprises: [0060] step S.sub.41, determining whether there are multiple routes at the alternative turn-back point, and calculating the constraint relationship between the routes if yes; and [0061] step S.sub.42, for a multi-route turn-back point, calculating a turn-back time according to the constraint relationship obtained in step S.sub.41, and for a single-route turn-back point, using a default turn-back time.

[0062] In step S.sub.41, specifically, [0063] assuming that there are n routes at the alternative turn-back point A, the running cycle of the route n is T.sub.full cycle n =T.sub.turnback n + T.sub.operation n, where T.sub.operation n is the to-and-fro time except turn-back, T.sub.turnback n is the turn-back time of the turn-back point A, the departure interval is T.sub.interval n, and the number of trains required for the route n is N.sub.train n = T.sub.full cycle n/T.sub.interval n, where T.sub.interval n is departure interval; and [0064] after route changing, the train runs according to the original planned time, that is, the original planned to-and-fro running time except turn-back is T.sub.operation n = T.sub.plan n, and the following constraint relationship is obtained:

[0065] The step S.sub.5 specifically comprises: [0066] step S.sub.51, calculating an arrival plan of the alternative turn-back point based on the passenger on/off time of the original operation diagram input in step S.sub.1 and the turn-back time of the alternative turn-back point obtained in step S.sub.4; [0067] step S.sub.52, calculating the time when the train arrives at the alternative turn-back point after route changing; and [0068] step S.sub.53, according to the time obtained in S.sub.52 and the arrival plan of the alternative turn-back point obtained in S.sub.51, making a matched turn-back plan for the online train based on time.

Specific Embodiments

[0069] The method of the invention will be described with reference to FIG. 1. The method comprises the following steps: [0070] step S.sub.1, a fault position G, original operation diagram plan information (including two routes A-B and A-C) and a line station type diagram are input; [0071] step S.sub.2, according to the information input in step S.sub.1, the fault point G is on an original planned route A-B, and the original planned route cannot directly run to B because of fault interruption of A; turn-back platforms C and D which have the shortest distance are searched for at both ends of the fault point G, C and D are alternative turn-back points, and A-B is decomposed into alternative routes A-C.sub.new and D-B; [0072] step S.sub.3, a departure interval of the original planned route A-B is T.sub.interval A-B, and after the turn-back point becomes C, a departure interval T.sub.interval A-C new of the alternative route A-C.sub.new is equal to T.sub.interval A-B; [0073] step S.sub.4, according to the step S.sub.3, it can be known that a 1:1 proportional relationship exists between the number of trains required for the route A-C.sub.new and the number of trains on A-C, and the constraint relationship is as follows: [0074] according to the original operation diagram plan, the proportional relationship between T.sub.interval A-C new and T.sub.interval A-C can be obtained; assuming T.sub.interval A-C new/ T.sub.interval A-C plan=1, the turn-back time of the route A-C.sub.new at the turn-back point C is T.sub.turn-back A-C new=T.sub.turn-back A-C+T.sub.operation A-C-T.sub.operation A-C new; assuming that the default turn-back time of the turn-back point D is T.sub.D default, only the route B-D.sub.new turns back at the turn-back point D, and it can be known from step S.sub.3 that the turn-back time of the route B-D.sub.new at the turn-back point C is T.sub.turn-back D-B=T.sub.D default; [0075] step S.sub.5, according to the planned time of the train at the passenger on/off platform closest to the alternative turn-back points C and D and the turn-back time obtained in step S.sub.4, the planned arrival time of the turn-back points C and D is calculated, then the estimated time when the online train arrives at the turn-back points C and D is calculated, and a planned number with the closest matching time is allocated to the online train; [0076] step S.sub.6, according to the planned number obtained in step S.sub.5, the online train running path is updated to A-C.sub.new or D-B; [0077] step S.sub.7, after the train 1 with the original running route A-B reaches the alternate turn-back points C and D, a departure planned turn-back number obtained in S.sub.6 is 003; and [0078] step S.sub.8, the train 1 turns back at the turn-back point A according to the planned number 003.

[0079] The above are only specific embodiments of the invention, but the protection scope of the invention is not limited thereto. Any person familiar with the technical field can easily think of various equivalent modifications or substitutions within the technical scope disclosed by the invention, and these modifications or substitutions should fall within the protection scope of the invention. Therefore, the protection scope of the invention shall be subject to the protection scope of the claims.