JPH10338138A - Train travel simulator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent excessive load input to a test object application program so as to automatically shorten time for train travel simulation. SOLUTION: A train operation control system for integrally supporting passenger transportation service on the basis of the state of site equipment such as a train diagram has a train travel simulator program 6, an initialization value storage table 9, a processing table 10 for a simulator and a processing table for a train operation control system. In this train operation control system, the train diagram in read on the basis of the initialization value to compute the number of trains to be formed, the acceleration time width of an event generating periodic timer that determines the acceleration of the simulator is computer from the number of trains and the initialization value, and the timer is periodically updated according to the acceleration time width. The maximum on-track number of trains is previously registered, maximum load corresponding to a simulation object is set, and an event over the maximum value is not generated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a train running simulator which simulates running of a train on the basis of a train schedule stored in a computer.

[0002]

2. Description of the Related Art Conventionally, based on the status of on-site facilities such as train schedules and traffic signals, train users of a train operation management system for comprehensively supporting passenger transportation operations, and test the system. Is being done. However, this user training and system testing
Because it is difficult to connect actual on-site equipment,
Usually, a simulator that simulates the running of trains and the state of equipment is used. As a simulation of train running,
As described in Japanese Patent Application Laid-Open No. Hei 5-238391, the traveling distance of a vehicle is compared with the length of each track circuit set for each signal section to find on-rail position information, and this information is used for train operation. There is a method to simulate various necessary controls. Further, as a method for predicting the operation status of the train after the current time, as described in JP-A-8-48250, the difference between the operation data of the train and the preceding train on the day and the environment of the train is considered. There is known a train operation prediction device that obtains a predicted stop time of the station and predicts a stop time of the train according to a constantly changing train operation state.

[0003]

SUMMARY OF THE INVENTION In training and testing for train operation management system users, if the simulation time is to be reduced, the time width of the event monitoring cycle timer can only be changed to a constant value with a conventional simulator. During times when the number of trains is large,
There is a case where a train generation event occurs frequently, an unnecessary load is applied for the processing, and the operation of the application software cannot follow. Therefore, the number of trains scheduled on the line based on the schedule is surveyed by time zone in advance,
The simulator operator had to reset the time width of the event monitoring cycle timer each time. Further, in a distributed train operation management system in which computers are arranged for each station and connected by a network, it is necessary to generate an event for the station based on a simulation result of a computer installed in an adjacent station. It is necessary to simulate a wide range of train driving by linking multiple simulators. In this case, if the time width of the event monitoring cycle timer is set only based on the timetable at the own station, the application software may not be able to complete the processing at the adjacent station, making it difficult to determine the time width of the cycle timer. was there.

[0004] It is an object of the present invention to prevent the application of a load to an application program to be tested more than necessary and to automatically shorten the time required for a train running simulation.

[0005]

The above-mentioned problem is solved by adding a function of predicting the number of trains scheduled to be placed on a train to a simulator on the basis of a schedule at a specified time after the current time, and according to the result of predicting the number of trains scheduled to be placed on a train. By automatically setting the time width of the event monitoring period timer inside the simulator, the time for the train running simulation is automatically shortened and solved. Also, register the maximum number of train lines in advance,
Set the maximum load according to the simulation target, even if the simulator satisfies the train generation conditions or if the simulator on the adjacent station starts the train generation,
When the number of trains exceeds the maximum number of trains, no more trains are generated, so that an unnecessary load is prevented from being applied to the application program under test, and the problem is solved.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described using a nest surface. FIG. 1 shows an overall configuration of a train traveling simulator according to an embodiment of the present invention. In this embodiment,
It comprises a process processing device 1 for executing a program, a main storage device 2, an auxiliary storage device 3 for storing data, an input device 4 having data input means, and an output device 5 for outputting a program execution result. Here, a method is adopted in which a train running simulator is incorporated in the train operation management system, and a train running simulator program 6 including a plurality of tasks, an application program 7 of the train operation management system, and a processing table are stored in the main storage device 2. 8. Initial setting value storage table 9 used by the simulator
And a processing table 10. The processing table 8 for the train operation management system has data used in the train operation management system, such as the train operation schedule of the train and the train status for managing the generation status and position of the train. The simulator initial setting value storage table 9 includes a diagram reading width for determining the number of trains to be generated, a train generation interval in an acceleration state specified by a user, and a train generation request from another simulator. The maximum number of trains on the simulation target station, which is used for the final determination of whether or not to generate a train, is stored in order to prevent unnecessary load on the train. The simulator processing table 10 has an acceleration period width of an event generation period timer calculated for the simulation acceleration based on the determined result, and an event generation period timer updated with the accelerated time period.

FIG. 2 shows a processing flow of the present embodiment.
First, the user inputs the diagram range T, the average train generation time interval t in the accelerating state, and the maximum train number Mz read from the input device 4 and initializes them (S201), and sets the initialized values to the simulator initial setting values. The data is stored in the storage table 9 (S205). Next, the current time and S20
At 1, the schedule is read based on the read schedule range T set in the initial setting value storage table 9 (S205), and the number M of trains scheduled to arrive at the station within the time range is calculated (S202). The number M of planned trains is the number of planned trains generated by the train traveling simulator. Next, the average train generation time interval t in the acceleration state set in S201 and S
An acceleration time width for accelerating the simulation time is calculated based on the number M of scheduled trains calculated in 202, and stored in the simulator processing table 10 (S206) (S206).
203). Next, the simulator processing table 10 (S
206), an event generation process for generating an event of train generation and train movement is performed based on the event generation cycle timer in the processing table 8 for the train operation management system.
The train information such as the number of trains and the train position existing at the station in (S207) is updated (S204). The event generation cycle timer referred to in the event generation processing (S204) is the event generation cycle timer update processing (S2
08) is the simulator processing table 10 (S206).
Is periodically updated based on the acceleration time width stored in the.
The train operation management system application program 7 also refers to the event occurrence cycle timer, and the time start program (S209) is started by the event occurrence cycle timer. Similarly, the program (S210) for detecting a change in the train state refers to the train state in the train operation management system processing table 8 (S207) at regular intervals.

FIG. 3 shows an initialization process for the simulator (S
The detailed flow of 201) is shown. First, the diagram reading range T input by the user is stored in the initial setting value storage table (S2).
05) (S301). Next, the train generation interval t for determining the acceleration state of the simulation requested by the user is input and stored in the initial setting value storage table (S205) (S302). Next, in order to prevent the application program from being unnecessarily loaded even when the simulator is started by another simulator, the maximum train number Mz of the simulation target station used for the final determination of the presence or absence of the train is input. Then, it is stored in the initial setting value storage table (S205) (S303).

FIG. 4 shows a detailed flow of the diagram reading process (S202). First, a diagram reading range is calculated based on the diagram reading range T in the initial setting value storage table (S205) set in S201 (S401). next,
The schedule is read from the processing table for the train operation management system (S207) based on the result of S401 (S40).
2). Next, the number M of trains that need to be newly generated from the train schedule read in S402 is calculated (S40).
3).

FIG. 5 shows a diagram read range calculation (S401).
Shows a method of determining the read range in the above. Usually, the diagram reading range is determined as the diagram reading range T in S205 from the current time, and all trains can be read as generation targets (1). However, the number of trains existing in the station is the maximum train location in S205. In the case where the number of trains matches the number Mz and the train generation is refrained, the generation of the train in the read timetable is performed (current time +
It may not end within the diagram reading range T). In this case, if the generation target train is only within the range of (current time + diagram reading range T), the train within the processing delay time (D) cannot be read as the generation target, and there is a possibility that a non-generation target train may be generated. There is (2). Therefore, when a processing delay occurs,
The diamond reading width is read back from the current time by the processing delay time (D), and the time width of the diamond reading range is set to (D
+ T) (3). By doing so, it is possible to prevent the occurrence of trains not to be generated at the time of processing delay, and to maintain the continuity of the trains to be generated. Here, the current time means the value of the event occurrence cycle timer in the processing table for the simulator (S206).

FIG. 6 shows a detailed flow of the acceleration width setting process (S203). First, the diamond reading process (S20
It is determined whether or not there is a train to be generated within the diagram read range calculated in 2) (S601). If the number M of scheduled trains to be generated is not 0, the acceleration time width A of the event generation cycle timer is determined based on the number M of scheduled trains to be generated, the diamond reading range T in the initial setting value storage table (S205), and the train generation interval t.
Is calculated based on the formula A = T / (M * t) (S60).
2). Next, it is determined whether the calculated acceleration time width A is smaller than 1 (S604). If the result in S604 is smaller than 1, the train is decelerated as compared with the simulation at the real time, so that A is set to 1 so that the train is generated at the real time.
Is set (S605). If the number of trains to be generated is 0 in S601, it is not necessary to generate a train in that time zone, so the diamond reading width T is set to the acceleration time width A (S60).
603), the process proceeds to the next diagram reading process. Finally, the acceleration time width A calculated by the above-described processing of S601 to S605 is stored in the simulator processing table (S20).
6) (S606).

FIG. 7 shows the relationship between the acceleration time width A of the event generation cycle timer, the number M of trains to be generated, the time width T of the diagram reading range, and the train generation interval t. The acceleration time width A of the event cycle timer is a time width in which the event occurrence cycle timer update processing (S208) updates the cycle in one second.
It means the elapsed time (seconds) per second of the actual time at the time of simulation. Therefore, when the acceleration time width A is A> 1, the simulation is performed in the acceleration state, when A = 1, the same state as the real time is performed, and when A <1, the simulation is performed after the real time. It also indicates that a train for T seconds is simulated by T / A (seconds). The acceleration time width A is determined so that the average train generation interval at real time calculated by T / M (Equation 701) matches the average train generation interval t input in the initial setting process (S201). In this case, t = T /
(M * A) (Equation 702). That is, the acceleration time width A of the event occurrence period timer is A = T / (M * t)
It is calculated by (Equation 703). In FIG. 7, when the time width T of the diagram reading range is set, the number of generated trains M in the read diagram at the current time is M = 9, and the number of trains to be generated in the read diagram after the current time is M = 0, M = 5, The simulation at the real time can be represented as shown in FIG. On the other hand, FIG. 7B shows a simulation according to the present embodiment in the acceleration state in the same timetable as that of (1). When the number of trains to be generated is M = 0, as described with reference to FIG. 6, there is no need to generate a train in that time zone, so the diamond reading width T is set to the acceleration time width A (S6).
03). In this case, when the diagram reading width T in FIG. 7A is 1, and when the number of trains to be generated is M = 5, FIG.
The diagram reading width T in (1) is T / A. This allows
As shown in FIG. 7 (2), the train for T seconds is simulated at T / A seconds, and the acceleration reduces the time for the train running simulation.

FIG. 8 shows a detailed flow of the event generation process (S204). The event generation process is started by an event generation cycle timer, and generates two types of events, train generation and train movement. First, the event period timer in the simulator processing table (S206) is referred to (S801). It is determined whether it is the event time based on the result referred to in S801 (S802). If the time is the event time, the train that is already on the line is moved to the next traveling position (S803). Further, when the train generation time has passed, the train operation management system processing table (S
207) is referred to (S804), and if the number of trains on the train is less than the maximum number of trains on the train (S805) in the initial setting value storage table (S205), a train is generated (S806). Finally, it is determined whether or not M trains in the reading diagram have been generated (S807), and the processes from S801 to S806 are repeated until all trains are generated.

FIG. 9 shows a detailed flow of the event occurrence period timer update process (S208). First, the actual time of the train operation management system is referred to (S901), and the event generation cycle timer in the simulator processing table (S206) is set as an initial value (S902).
Next, the CPU refers to the acceleration time width A in the simulator processing table (S206) (S903), and updates the event generation cycle timer by the value of the acceleration time width A (S904).
The processing from S903 to S904 is repeated every second (S9
05).

[0015]

As described above, according to the present invention,
Since the number of trains scheduled to be on the train is predicted inside the train running simulator and the time width of the event monitoring cycle timer is automatically changed according to the prediction result, even when simulating the time zone where events frequently occur, It is possible to automatically shorten the time required for the train running simulation without considering that the load of the application program becomes unnecessarily high due to an excessive load.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a train running simulator according to an embodiment of the present invention.

FIG. 2 is a processing flow of the present invention.

FIG. 3 is a detailed flow of an initial setting process of the present invention.

FIG. 4 is a detailed flowchart of a diagram reading process according to the present invention.

FIG. 5 is an explanatory diagram of a diagram reading range determination method according to the present invention.

FIG. 6 is a detailed flowchart of an acceleration width setting process according to the present invention.

FIG. 7 is an explanatory diagram of an acceleration time width calculation method according to the present invention.

FIG. 8 is a detailed flow of an event generation process according to the present invention.

FIG. 9 is a detailed flow of an event occurrence period timer update process of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Process processing device, 2 ... Main storage device, 3 ... Auxiliary storage device, 4 ... Input device 5 ... Output device, 6 ... Train running simulator program 7 ... Train operation management system application program 8 ... Train operation management system processing table 9: Simulator initial setting storage table 10: Simulator processing table

Continued on the front page (72) Inventor Toshiaki Higashihara 5-2-1 Omika-cho, Hitachi City, Ibaraki Pref. Hitachi, Ltd. Omika Plant

Claims (4)

[Claims] 1. A train operation management system for comprehensively supporting passenger transportation operations based on the status of on-site facilities such as a train schedule and a traffic signal. A processing table for the simulator and a processing table for the train operation management system, and predicts the number of trains on the track based on the train schedule for each specified time after the current time. A train running simulator characterized by automatically setting the time width of an event monitoring period timer. 2. In a train operation management system for comprehensively supporting passenger transportation operations based on the status of on-site facilities such as a train schedule and a traffic light, a train driving simulator program and initial setting values for the train driving simulator are stored. Table, a processing table for the simulator and a processing table for the train operation management system.The train schedule is read based on the initial setting value, the number of trains to be generated is calculated, and the simulator number is calculated from the number of trains and the initial setting value. A train running simulator comprising: calculating an acceleration time width of an event occurrence period timer for determining an acceleration level; and periodically updating the timer in accordance with the acceleration time width. 3. The train running simulator according to claim 1, wherein a maximum train number is registered in advance, a maximum load is set according to a simulation target, and no more events are generated. . 4. The method according to claim 1, wherein when the specified train generation frequency is lower than the simulation based on the real time, the train generation is automatically performed so that the simulation time is not decelerated from the real time. A train running simulator characterized by switching to time-based simulation.