CN112208580B - Train turning back state judgment method and system - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/021—Measuring and recording of train speed
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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
- B61L27/04—Automatic systems, e.g. controlled by train; Change-over to manual control
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Abstract
The embodiment of the invention provides a method and a system for judging a train turning-back state, wherein the method comprises the following steps: and for the target train executing the current driving plan, if the actual initial position is matched with the preset initial position in the current driving plan and the actual end position is matched with the preset end position in the previous driving plan, judging whether the target train turns back or not according to whether the target train reaches the preset turn-back position or the preset equivalent turn-back position. The embodiment of the invention utilizes the characteristic that the train can only keep one plan execution state when the time continuously changes, takes whether the train is matched with the preset initial position of the current driving plan or the preset end position of the previous driving plan as the judgment condition, and cannot influence the judgment condition even if the next driving plan of the train is changed, so that the method can accurately judge the state of the train and has stronger robustness and robustness.
Description
Technical Field
The invention relates to the technical field of intelligent transportation, in particular to a method and a system for judging a turning-back state of a train.
Background
The automatic train monitoring system for urban rail transit is a command system with high automation degree, and as a command system for trains, the automatic train monitoring system for urban rail transit is an important component for rapid and effective command by predicting the turning-back state of the trains in time.
The train turning back prediction comprises two processes, wherein one process is train position positioning and train moving direction, the other process is train operation plan, the collection of the train position and the train operation direction can be realized by adopting a train continuous position report or adopting continuous tracking of on-line occupation information, and the train operation plan determines the expected running target of the train. The system needs to perform continuous prediction prompt according to the continuous position and running direction data obtained by the train, so that the calculation of the train turn-back prediction prompt at any position is ensured.
The system needs to consider that when the position and the running direction of the train change, the calculation has stability, and abnormal prediction prompts cannot be generated due to the change of the position and the running direction of the train.
The existing positioning method of the system considers the running direction of the train, if the train does not reach the expected running target, the train is considered not to be turned back, and when the train reaches the expected running target, the train is considered to be turned back.
The method is simple and intuitive, but has the defects that when an organization is operated in practice, the retracing position can be recombined with a train plan, when a certain train reaches the retracing position, the subsequent plan changes, the train performs retracing operation, and a user needs to be given retracing prompt information, but according to the traditional method, the train does not perform retracing and cannot generate correct prompt. Meanwhile, if the train reaches the traveling target, the next operation plan is executed immediately, but the actual turning-back operation duration of the train is long, and at the moment, the train does not have enough duration to send a continuous train turning-back prompt to a user according to the existing positioning method, so that prediction is invalid.
Disclosure of Invention
The embodiment of the invention provides a method and a system for judging a train turn-back state, which are used for solving the defect of inaccurate judgment of the train turn-back state in the prior art and realizing the accurate judgment of the train turn-back state.
The embodiment of the invention provides a method for judging a train turning-back state, which comprises the following steps:
for a target train executing a current driving plan, acquiring an actual initial position of the target train when the current driving plan is executed and an actual end position of the target train when a previous driving plan of the current driving plan is executed;
and if the actual initial position is matched with a preset initial position in the current driving plan and the actual end position is matched with a preset end position in the previous driving plan, judging whether the target train turns back or not according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position.
According to the train turning-back state judgment method provided by one embodiment of the invention, judging whether the target train turns back or not according to whether the target train reaches the preset turning-back position or the preset equivalent turning-back position specifically comprises the following steps:
and if the target train is executing the current driving plan, does not reach the preset turn-back position, and does not reach the preset equivalent turn-back position, judging that the target train is not turned back.
According to the train turning-back state judgment method provided by one embodiment of the invention, judging whether the target train turns back or not according to whether the target train reaches the preset turning-back position or the preset equivalent turning-back position specifically comprises the following steps:
and if the target train is executing the current driving plan, reaches the preset turning-back position and does not change the preset next driving plan, judging that the target train is turning back.
According to the train turning-back state judgment method provided by one embodiment of the invention, judging whether the target train turns back or not according to whether the target train reaches the preset turning-back position or the preset equivalent turning-back position specifically comprises the following steps:
and if the target train does not reach the preset turn-back position, but reaches the preset equivalent turn-back position and the preset next driving plan is not changed, judging that the target train is turning back.
According to an embodiment of the present invention, a method for determining a train turning back state, wherein the determining whether the target train turns back according to whether the target train reaches a preset turning back position or a preset equivalent turning back position specifically includes:
and if the target train executes the current driving plan, reaches the preset turning-back position or the preset equivalent turning-back position, and is changed into other plans for turning back at the preset turning-back position or the preset equivalent turning-back position after the preset next driving plan is changed, judging that the target train is turning back.
The method for judging the train turning-back state according to one embodiment of the invention further comprises the following steps: and performing corresponding turning-back prompt according to the judgment result.
An embodiment of the present invention further provides a system for determining a train turning-back state, including:
the acquisition module is used for acquiring an actual initial position of a target train when the current running plan is executed and an actual end position of the target train when the last running plan of the current running plan is executed for the target train executing the current running plan;
and the judging module is used for judging whether the target train turns back or not according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position or not if the actual initial position is matched with the preset initial position in the current driving plan and the actual end position is matched with the preset end position in the previous driving plan.
The embodiment of the invention also provides an electronic device, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the processor executes the program, the steps of the train turning back state judgment method are realized.
An embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the train turning back state judgment method according to any one of the above.
According to the method and the system for judging the train turning-back state, provided by the embodiment of the invention, the characteristic that the train can only keep one plan execution state when the time continuously changes is utilized, whether the train is matched with the preset initial position of the current running plan or the preset ending position of the previous running plan is taken as the judging condition, and even if the next running plan of the train is changed, the judging condition is not influenced, so that the method can accurately judge the train state, and has strong robustness and robustness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for determining a train turning-back state according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a train turning back state determination system according to an embodiment of the present invention;
fig. 3 is a schematic physical structure diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make up for the situation that the existing turning back state judgment method in the background technology cannot adapt to the plan change, the train position, the train running direction and the train plan need to be analyzed and processed more, so that the processing result is complex, the number of potential fault points is more, the dependence on the train running condition is larger, the technical reliability is low, and the technical adaptability is poorer.
Along with the development trend of urban rail transit intellectualization, a train turning-back state judgment method with stronger stability and robustness is more needed, so that the embodiment of the invention provides the train turning-back state judgment method.
Fig. 1 is a flowchart of a method for determining a train turning-back state according to an embodiment of the present invention, and as shown in fig. 1, the method includes:
the working principle of the embodiment of the invention is as follows: the train is a carrier with a certain length, vehicle-mounted equipment for measuring the speed and collecting the transponder is respectively arranged at two ends of the train, the vehicle-mounted equipment in the running direction of the train calculates the position information of the train by means of fusion of the speed measurement information and the information collected by the transponder, the position information of the train is matched with the end station or the turn-back position of the current driving plan or the end station or the turn-back position of the previous driving plan, if the matching is successful, corresponding state judgment is carried out, and related prompt contents are sent.
S1, for a target train executing a current driving plan, acquiring an actual initial position of the target train when the current driving plan is executed and an actual end position of the target train when a previous driving plan of the current driving plan is executed;
a plan being executed by the target train is referred to as a current driving plan, the current driving plan includes information on all stations, departure points, destinations, turning positions, parking positions, and the like that the target train passes through, and the previous driving plan similarly includes the same information.
And acquiring an actual initial position of the target train when executing the current driving plan and an actual end position of the target train when executing the previous driving plan.
And S2, if the actual initial position is matched with the preset initial position in the current driving plan and the actual end position is matched with the preset end position in the previous driving plan, judging whether the train turns back or not according to whether the target train reaches the preset turn-back position or the preset equivalent turn-back position.
And if the obtained actual initial position is the same as the preset initial position in the current driving plan and the actual end position is the same as the preset end position of the previous driving plan, judging whether the target train turns back or not according to whether the target train reaches the preset turn-back position or the preset equivalent turn-back position.
The preset turning-back position is set in advance, the preset equivalent turning-back position can be regarded as a standby turning-back position, and when the preset turning-back position is accidentally turned back or is occupied, the turning-back can be carried out through the preset equivalent turning-back position.
The traditional method is used for judging the turn-back state according to parameters such as the position, the running direction and the speed of a train, but when the train actually turns back, the running direction is easy to be misjudged, so that the error occurs in the turn-back state judgment of the train. The embodiment of the invention adopts the position matching condition, and is insensitive to the process of whether the train finishes the turn-back, so that the misjudgment caused by the change time delay of the turn-back state can be effectively avoided, the rapid change of the train operation plan during the rapid turn-back can be met, and the plan adjustment of the train execution change plan can be met.
Meanwhile, the influence of the retracing rail on the plan is automatically selected in consideration of the actual operation state, when the train is retraced, the train is not located in the preset retracing rail made by the plan but located in the equivalent retracing rail corresponding to the preset retracing rail, and the train can arrive at the corresponding equivalent retracing rail from a certain retracing rail only after being retraced, so that the equivalent retracing position is only effective for the same train. When the train actually carries out equivalent retracing rail return operation, whether the function of automatically selecting the retracing rail is used is not needed to be judged during retracing prompting, and when the train is planned to go to the equivalent retracing rail, the prompt is consistent with the prompt of the original retracing position.
According to the method for judging the train turning-back state, provided by the embodiment of the invention, the characteristic that the train can only keep one plan execution state when the time continuously changes is utilized, whether the train is matched with the preset initial position of the current running plan or the preset end position of the previous running plan is taken as the judgment condition, and even if the next running plan of the train is changed, the judgment condition is not influenced, so that the method can accurately judge the train state, and has strong robustness and robustness.
On the basis of the foregoing embodiment, preferably, the determining whether the target train turns back according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position specifically includes:
and if the target train is executing the current driving plan, does not reach the preset turn-back position, and does not reach the preset equivalent turn-back position, judging that the target train is not turned back.
Specifically, if the target train does not enter the preset turn-back position or does not reach the preset equivalent turn-back position in the process of executing the current driving plan, it is determined that the target train does not turn back. In this case, the current driving plan executed by the target train does not reach the preset turning-back position, and the previous driving plan executed by the target train does not reach the preset turning-back position.
On the basis of the foregoing embodiment, preferably, the determining whether the target train turns back according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position specifically includes:
and if the target train is executing the current driving plan, reaches the preset turning-back position and does not change the preset next driving plan, judging that the target train is turning back.
Specifically, if the target train is executing the current running plan and reaches the preset turning-back position and no change occurs according to the planned preset next running plan, it is determined that the target train is turning back. In this case, the target train does not execute the next driving plan, and executes the current driving plan, and when the target train reaches the turn-back position, the target train judges that the train is turning back; if the target train completes the turnaround and the next train schedule is executed, the original schedule arrives at the turnaround location.
On the basis of the above embodiment, the determining whether the target train turns back according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position specifically includes:
and if the target train does not reach the preset turn-back position, but reaches the preset equivalent turn-back position, and the preset next driving plan is not changed, judging that the target train is turning back.
And if the train does not reach the preset turn-back position according to the current driving plan but reaches the corresponding preset equivalent turn-back position, judging that the target train is turning back. In this case, if the train does not execute the next driving plan but executes the current driving plan, the train reaches the preset equivalent turning position corresponding to the preset turning position. And if the target train executes the next train plan, the equivalent retracing position corresponding to the preset retracing position is reached according to the original plan.
On the basis of the foregoing embodiment, preferably, the determining whether the target train turns back according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position specifically includes:
and if the target train executes the current driving plan, reaches the preset turning-back position or the preset equivalent turning-back position, and is changed into other plans for turning back at the preset turning-back position or the preset equivalent turning-back position after the preset next driving plan is changed, judging that the target train is turning back.
If the target train is located at the preset turn-back position or the preset equivalent turn-back position, the next train plan to be executed later is changed into other plans for turning back at the preset turn-back position or the preset equivalent turn-back position, and the target train is prompted to turn back. And if the target train does not execute the next train plan, executing the current train plan, and then planning to reach the preset turn-back position or the preset equivalent turn-back position.
On the basis of the above embodiment, it is preferable to further include: and carrying out corresponding turning-back prompt according to the judgment result.
Specifically, after judging whether the target train turns back or not, the target train is correspondingly prompted according to the judged result.
Fig. 2 is a schematic structural diagram of a train turning back state determining system according to an embodiment of the present invention, and as shown in fig. 2, the system includes an obtaining module 201 and a determining module 202, where:
the obtaining module 201 is configured to, for a target train executing a current driving plan, obtain an actual initial position of the target train when the current driving plan is executed and an actual end position of the target train when a previous driving plan of the current driving plan is executed;
the determining module 202 is configured to determine whether the target train turns back according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position if the actual initial position matches the preset initial position in the current driving plan and the actual end position matches the preset end position in the previous driving plan.
The present embodiment is a system embodiment corresponding to the above method embodiment, and please refer to the above method embodiment for details, which is not described herein again.
Fig. 3 is a schematic entity structure diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 3, the electronic device may include: a processor (processor)310, a communication Interface (communication Interface)320, a memory (memory)330 and a communication bus 340, wherein the processor 310, the communication Interface 320 and the memory 330 communicate with each other via the communication bus 340. The processor 310 may invoke logic instructions in the memory 330 to perform a train turnaround state determination method comprising:
for a target train executing a current driving plan, acquiring an actual initial position of the target train when the current driving plan is executed and an actual end position of the target train when a previous driving plan of the current driving plan is executed;
and if the actual initial position is matched with a preset initial position in the current driving plan and the actual end position is matched with a preset end position in the previous driving plan, judging whether the target train turns back or not according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position.
In addition, the logic instructions in the memory 330 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
In another aspect, an embodiment of the present invention further provides a computer program product, where the computer program product includes a computer program stored on a non-transitory computer-readable storage medium, and the computer program includes program instructions, and when the program instructions are executed by a computer, the computer is capable of executing the train turning back state judgment method provided by the above-mentioned method embodiments, where the method includes:
for a target train executing a current driving plan, acquiring an actual initial position of the target train when the current driving plan is executed and an actual end position of the target train when a previous driving plan of the current driving plan is executed;
and if the actual initial position is matched with a preset initial position in the current driving plan and the actual end position is matched with a preset end position in the previous driving plan, judging whether the target train turns back or not according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position.
In still another aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is implemented by a processor to execute the train turning back state determining method provided in the foregoing embodiments, and the method includes:
for a target train executing a current driving plan, acquiring an actual initial position of the target train when the current driving plan is executed and an actual end position of the target train when a previous driving plan of the current driving plan is executed;
and if the actual initial position is matched with a preset initial position in the current driving plan and the actual end position is matched with a preset end position in the previous driving plan, judging whether the target train turns back or not according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. Based on the understanding, the above technical solutions substantially or otherwise contributing to the prior art may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A method for judging a train turning-back state is characterized by comprising the following steps:
for a target train executing a current driving plan, acquiring an actual initial position of the target train when the current driving plan is executed and an actual end position of the target train when a previous driving plan of the current driving plan is executed;
if the actual initial position is matched with a preset initial position in the current driving plan and the actual end position is matched with a preset end position in the previous driving plan, judging whether the target train turns back or not according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position or not;
the judging whether the target train turns back or not according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position specifically comprises the following steps:
if the target train is executing the current driving plan, does not reach the preset turn-back position, and does not reach the preset equivalent turn-back position, judging that the target train is not turned back;
if the target train is executing the current driving plan, reaches the preset turning-back position and does not change the preset next driving plan, judging that the target train is turning back;
if the target train does not reach the preset turn-back position, but reaches the preset equivalent turn-back position, and the preset next driving plan is not changed, judging that the target train is turning back;
and if the target train executes the current driving plan, reaches the preset turning-back position or the preset equivalent turning-back position, and is changed into other plans for turning back at the preset turning-back position or the preset equivalent turning-back position after the next driving plan is changed, judging that the target train is turning back.
2. The train folding state determination method according to claim 1, further comprising: and carrying out corresponding turning-back prompt according to the judgment result.
3. A train turning back state judgment system is characterized by comprising:
the acquisition module is used for acquiring an actual initial position of a target train when the current running plan is executed and an actual end position of the target train when a previous running plan of the current running plan is executed for the target train executing the current running plan;
a judging module, configured to, if the actual initial position matches a preset initial position in the current driving plan and the actual end position matches a preset end position in the previous driving plan, judge whether the target train turns back according to whether the target train reaches a preset turn-back position or a preset equivalent turn-back position;
if the target train is executing the current driving plan, does not reach the preset turn-back position, and does not reach the preset equivalent turn-back position, judging that the target train is not turned back;
if the target train is executing the current driving plan, reaches the preset turn-back position and does not change the preset next driving plan, judging that the target train is turning back;
if the target train does not reach the preset turn-back position, but reaches the preset equivalent turn-back position, and the preset next driving plan is not changed, judging that the target train is turning back;
and if the target train executes the current driving plan, reaches the preset turning-back position or the preset equivalent turning-back position, and is changed into other plans for turning back at the preset turning-back position or the preset equivalent turning-back position after the preset next driving plan is changed, judging that the target train is turning back.
4. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the train turning back state judgment method according to claim 1 or 2 when executing the program.
5. A non-transitory computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the train folding status determination method according to claim 1 or 2.
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| CN110758468A (en) * | 2019-10-29 | 2020-02-07 | 交控科技股份有限公司 | Method, device, equipment and medium for train turning back |
| CN110861681A (en) * | 2019-11-11 | 2020-03-06 | 通号城市轨道交通技术有限公司 | Automatic configuration method and device for return rails of rail train |
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