KR20230090388A - Test apparatus and method of Automatic Train Operation for train - Google Patents

Abstract

The present invention relates to a test apparatus and method for an automatic driving system for trains, and it is convenient to generate data for testing an automatic driving system by automatically generating a test scenario for testing an automatic driving system for trains, and the automatic driving system test procedure is also It can be simplified, and since the data collection for obtaining test scenario information is utilized with static and dynamic data collected from trains and/or ground systems in actual operation, the test of the automatic driving system for trains can be simulated in a realistic environment. To provide a test apparatus and method for an automatic driving system for trains, which can increase the reliability of functional verification of the automatic driving system.

Description

Test apparatus and method of automatic train operation device {Test apparatus and method of Automatic Train Operation for train}

The present invention relates to a test apparatus and method for an automatic driving device for a train, and more particularly, to a train running to a predetermined destination based on static and dynamic information such as route information, train speed, location, etc. It relates to a test device and method for verifying the function of an automatic driving device that controls a.

In general, an automatic driving device for a train is a device that controls a train within a safe speed by receiving a train location, speed, and operation profile for driving.

In order to test such an automatic train operation (ATO) for trains, information on train operation routes is required.

In the ground system, static information such as speed limit, route, schedule, etc. is generated according to the train operation route, and the corresponding information is transmitted to the automatic driving device according to the location of the train.

Accordingly, the automatic driving device receiving the static information controls the corresponding train to drive the route and stops when it arrives at the destination. To this end, an internal communication interface of the automatic driving device for trains and an external communication interface for communication with the ground system are defined.

A tester is used to verify the function of an automatic driving device in charge of controlling the running of such a train, and Registration Patent No. 10-0443066 (Reference 1) has been proposed as a prior art related to the tester.

However, the existing tester proposed through Reference 1 had the inconvenience of generating operation information about trains running on the route.

For this operation information, the route for the train driving test must be determined, and all detailed information (section length, slope, speed limit, etc.) of the corresponding route must be entered to enable an accurate driving test.

Therefore, there is a problem in that the input of detailed information for the driving test must be performed every time a new route is tested and a verification procedure for the generated route is required.

Reference 1: Registered Patent No. 10-0443066

The present invention is to solve these problems, and the present invention provides driving information such as the position and speed of the vehicle received through an interface with other devices installed in the train and driving information such as driving route received through wireless communication from the ground system. The purpose of this study is to provide a test device and its test method that automatically process the process of creating a route when testing an automatic driving system for trains that controls a vehicle by synthesizing and verifying the function of an automatic driving system using the same.

The present invention to solve such a technical problem;

A database storing test scenario information extracted from static and dynamic data collected from a data collection device connected to a train or ground system, an interface module connected to an automatic driving device for a train for testing, and test scenario information of the database According to the present invention, a test apparatus for an automatic driving apparatus for trains is provided, comprising a tester for testing the automatic driving apparatus.

At this time, the tester is characterized in that it receives the test scenario data of the database selected by the tester management console.

And, the test scenario information stored in the database includes train location, speed, and operation information, and the test machine receives the test scenario information of the database through an interface module and transmits it to the automatic driving device. It is characterized in that the test result data generated by the test progress of the test is registered in the database.

At this time, the database includes a test scenario DB in which test scenario information including train location, train speed, and operation information extracted from static and dynamic data collected by the data collection device is registered, and test scenario information of the test scenario DB. It is characterized in that it includes a test result DB in which test result data generated by testing the automatic driving device according to is registered.

In addition, the present invention;

A first step of receiving test scenario information collected from a data collection device connected to a train or ground system from a test scenario DB; and a second step of determining train location, train speed, and operation information from the test scenario information, transmitting the determined test scenario data to an automatic driving device, and storing the determined test scenario data in a test result DB. A test method for the operating system is also provided.

At this time, a third step of displaying the train location, train speed, and operation information stored in the test result DB after the second step is displayed on the test machine management console; characterized in that it further includes.

And, a fourth step of changing the train position and train speed according to the vehicle model when a train propulsion and braking control command performed based on the train location, train speed, and operation information is received from the automatic driving device after the second step. ; and a fifth step of transmitting the changed train location, train speed, and operation information to the automatic driving device after the third step, and storing the changed train location, train speed, and operation information in a test result DB. It is characterized by doing.

In addition, a sixth step of updating the test scenario data by reflecting the train location, train speed, and operation information stored in the test result DB to the test scenario DB after the fifth step is further included.

According to the present invention, it is advantageous in that test scenarios for testing the automatic driving system for trains are automatically generated so that it is convenient to generate data for the automatic driving system test and the automatic driving system test procedure can be simplified.

In particular, according to the present invention, since static and dynamic data collected from trains and/or ground systems are used for data collection to obtain test scenario information, tests of automatic driving systems for trains can be simulated in a realistic environment. As a result, the reliability of functional verification of the automatic driving device can be increased.

1 is a configuration diagram of a test apparatus for an automatic driving device for trains according to the present invention.
2 is a connection configuration diagram of a data collection device for testing an automatic driving device for trains according to the present invention.
3 is a test flow chart of the automatic driving device for trains according to the present invention.

Hereinafter, the characteristics of the test apparatus and method of the automatic driving device for trains according to the present invention will be understood by referring to the accompanying drawings by way of detailed embodiments.

Prior to this, the terms or words used in this specification and claims should not be construed as being limited to the usual or dictionary meaning, and the inventor appropriately uses the concept of the term in order to explain his/her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention, and do not represent all the technical ideas of the present invention, so at the time of this application, they can be replaced. It should be understood that there may be many equivalents and variations.

Referring to FIGS. 1 to 3 , a test device 100 for an automatic driving device for trains according to the present invention is a device for testing to verify the function of the automatic driving device 10 for trains.

The automatic train operation (ATO) 10 (hereinafter, referred to as 'automatic operation system') is based on the given route information so that the train 1 can reach its destination safely, and the speed of the train. It is a device that controls propulsion and braking to control.

More specifically, the automatic driving device 10 drives to a predetermined destination based on static information such as route information and schedule on which the train 1 travels, and dynamic information such as the speed and location of the train 1. It is a device responsible for controlling the

The automatic driving device 10 synthesizes the vehicle driving information received through an interface with other devices installed in the train (vehicle) 1 and the driving information received through wireless communication from the ground system 2 to form a train 1 ) to control the operation of

That is, the automatic driving device 10 transmits and receives train location, speed, and operation information related to the running of the train 1 through internal and external devices of the train (vehicle), and utilizes the train 1 control.

The test device 100 of the present invention is a device for testing the automatic driving device 10, and provides a physical interface connection of the automatic driving device 10, which is a device to be tested or measured (DUT, Device Under Test). An interface module 110 for the automatic driving device 10, a tester 120 for testing the automatic driving device 10, and test scenario information for testing the automatic driving device 10 are provided to the tester 120, and the tester ( A database (DB) 130 for storing test result data of the automatic driving device 10 generated in 120) is included.

Hereinafter, the configuration of each part of the present invention will be described in detail.

The testing machine 120 is configured to perform scenarios, test cases, result analysis, etc. for testing the automatic driving device 10 as a test subject connected to the interface module 110, and the testing machine 120 is a test machine management console ( 140) to set the test environment and display its status.

The tester management console 140 preferably includes a control unit for driving the tester 120 and a display unit for displaying test scenarios and test results.

Therefore, when selection of test scenarios, scenarios for performing each test, selection of test cases, etc. are performed by the test machine management console 140, the test scenario information of the database (DB) 130 is stored in the test machine according to the conditions. 120, and the tester 120 transmits the test scenario information to the automatic driving device 10 through the interface module 110 to perform the test.

In addition, the test machine 120 receives test result data generated by the test progress of the automatic driving device 10 and registers it in the database (DB) 130.

On the other hand, the test scenario information stored in the database (DB) 130 includes operation information such as route information and schedule information as well as the location and speed of the train 1, and the test scenario information includes the data collection device 150 ) is extracted from the collected data such as the location, speed, and operation information of the actual route of the train (1) collected in ).

Collected data of the data collection device 150 is classified into static data and dynamic data.

At this time, the static data is information about the route on which the train 1 travels, that is, route information, and the dynamic data is information that changes according to the location and speed of the train.

In addition, the data collection device 150a collects static and dynamic data generated on the vehicle and on the ground of a normally running train control system in order to generate test scenario information usable by the test machine 120 .

As shown in FIG. 2 , the data collection device 150 collects data from a train (vehicle) 1 or a ground system 2 .

At this time, the train (vehicle) 1 is equipped with an onboard device 11 of a train control system that controls the operation of the train, and a position detection device 13 interlocked with the internal network device 12, a speed measuring device ( 14) and other devices 15 monitor the position, speed and other various information of the train.

In addition, the onboard device 11 of the train control system is interlocked with the ground system 2 through the external network device 16 to receive information such as routes and schedules from the ground system 2 and train (1) It is possible to transmit the position, speed and other information of the ground system (2).

Here, the on-board device 11 of the train control system may be an automatic driving device 10 for a train that requires a later test.

By connecting the data collection device 150a to the internal network device 12 and the external network device 16 of the train (vehicle) 1, the positions of various trains transmitted and received while the train 1 actually runs. Collects static and dynamic data such as , speed, etc.

In addition, the ground system 2 is equipped with a ground device 21 of a train control system that controls the ground system for train operation, and various ground devices 23, 24, 25 interlocked with the internal network device 22. ), etc. to monitor the route information of the train.

In addition, the ground device 21 of the train control system is interlocked with the train 1 through the external network device 26 to receive the location, speed and other information of the train from the train 1, and the train 1 Information such as the route and schedule of can be transmitted to the train 1.

The ground system 2 also connects the data collection device 150b to the internal network device 22 and the external network device 26 to transmit and receive routes within the ground system 2 or to and from the train 1, It collects various static and dynamic data such as schedules.

The data collection devices 150a and 150b connected to the above train 1 and the ground system 2 collect static and dynamic data in the form of packets transmitted and received during actual train travel.

In this way, the static and dynamic data collected by the data collection devices 150a and 150b are stored in the database (DB) 130 .

At this time, the database (DB) 130 is in charge of generating dynamic data according to changes in train location and speed based on static data, and trains extracted from static and dynamic data collected by the data collection devices 150a and 150b. A test scenario DB 130a generates and registers test scenario information including location, train speed, and operation information data, and is generated by testing the automatic driving device 10 according to the test scenario information of the test scenario DB 130a. and a test result DB (130b) in which test result data to be registered.

In addition, the test device 100 includes a test machine management console 140 for managing the test machine 120, and the automatic driving device 10 is mounted through an external system or an emulator 160. Information related to the driving of the train 1 may be transmitted and received.

Hereinafter, with reference to FIG. 3, a test procedure of the automatic driving device for trains according to the present invention will be described.

First of all, the data collected from the train (vehicle) 1 and the ground system 2 is stored in the data collection devices 150a and 150b, and the data collected by these data collection devices 150a and 150b is stored in the test scenario DB 130a. Register as test scenario information including train location, train speed and operation information data.

After configuring the test scenario DB 130a in this way, the automatic driving device 10 is tested through the following processes (① to ⑥).

First, in order to test the automatic driving device 10, the test machine 120 receives test scenario information including train initial position, speed, route, schedule, etc. from the test scenario DB 130a, and receives the train location ( A), train speed (B) and operation information (C) are determined. (①)

Thereafter, the test machine 120 transmits the determined test scenario information, such as train location (A), train speed (B), and operation information (C) to the automatic driving device 10. (②)

And, the tester 120 stores the determined test scenario information in the test result DB 130b. (③)

Meanwhile, the automatic driving device 10 executes train propulsion and braking control commands based on the train position (A), train speed (B), and operation information (C) received from the testing machine 120. (④)

Thereafter, the test machine 120 receives train propulsion and braking control commands from the automatic driving device 10 and determines the train position (A) and train speed (B) according to the vehicle model (M) such as an electric train, a diesel locomotive, and a freight car. ) is changed. (⑤)

In addition, the tester 120 performs a decision (⑤) to change the train position (A), train speed (B), and operation information (C) according to the vehicle model (M), and automatically drives the corresponding data. The process of transmitting (②) to the device 10 is performed, and the process of storing the changed train position (A), train speed (B), and operation information (C) in the test result DB 130b (③) is repeated. .

In this case, test result data according to train propulsion and braking control commands of the automatic driving device 10 are also stored in the test result DB 130b.

Meanwhile, the tester 120 tests the automatic driving device 10 as well as the train location (A), train speed (B), and operation information (C) stored in the test result DB (130b) through the process (③). A series of test statuses, such as test result data, are displayed on the test machine management console 140, and the train location (A), train speed (B), and operation information (C) are reflected in the test scenario DB (130a). Update test scenario data. (⑥)

The above series of processes ② to ⑥ are continuously repeated during the test of the automatic driving device 10.

As described above, the test device 100 connects to the automatic driving device 10 of the train 1 running on the actual route to collect test scenarios, collects driving data, and collects actual route driving data while driving the entire route. Static and dynamic data are classified based on and stored in the test scenario DB 130a.

Meanwhile, the test device 100 may test the automatic driving device 10 by configuring various driving environments by replacing vehicle models M such as electric cars, diesel locomotives, and trucks.

In addition, when the test device 100 creates a test scenario for a route to be tested, it creates a test scenario DB 130a using data collected through the data collection devices 150a and 150b for actual driving on the route. It is possible to build a test scenario for the route.

Summarizing the test method of the automatic driving system for trains described above, the test scenario information collected from the data collection devices 150a and 150b connected to the train 1 or the ground system 2 is input from the test scenario DB 130a. In the first step and the test scenario information received, train position (A), train speed (B), and operation information (C) are determined and transmitted to the automatic driving device 10, and the determined test scenario data is stored in the test result DB ( 130b) is configured to include a second step of storing.

At this time, a third step of displaying the train location (A), train speed (B), and operation information (C) stored in the test result DB (130b) after the second step is displayed on the test machine management console 140. will do

In addition, when a train propulsion and braking control command performed based on the train position (A), train speed (B), and operation information (C) is received from the automatic driving device 10 after the second step, the vehicle model ( After the 4th step of changing the train position (A) and train speed (B) according to M) and the 3rd step, the changed train position (A), train speed (B) and operation information (C) are described above. A fifth step of transmitting to the automatic driving device 10 and storing the changed train position (A), train speed (B), and operation information (C) in the test result DB (130b) is further included.

In addition, the test scenario data is updated by reflecting the train location (A), train speed (B), and operation information (C) stored in the test result DB (130b) after the fifth step in the test scenario DB (130a). It is configured to further include a sixth step.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art can make various modifications and variations without departing from the essential characteristics of the present invention. The protection scope of should be interpreted by the claims below, and all technical ideas within the equivalent range should be construed as being included in the scope of the present invention.

1: train 2: ground system
10: automatic driving device 100: test device
110: interface module 120: tester
130: database 130a: test scenario DB
130b: test result DB 140: tester management console
150, 150a, 150b: data collection device 160: external system or emulator

Claims (8)

A database storing test scenario information extracted from static and dynamic data collected from a data collection device connected to a train or ground system, an interface module connected to an automatic driving device for a train for testing, and test scenario information of the database A test apparatus for an automatic driving system for trains, characterized in that it comprises a tester for testing the automatic driving system according to the above.
According to claim 1,
The test device of the automatic driving device for trains, characterized in that for receiving the test scenario data of the database selected by the test machine management console.
According to claim 1,
The test scenario information stored in the database includes train location, speed and operation information,
The tester receives test scenario information from the database through an interface module, transmits it to the automatic driving device, and registers test result data generated by the test of the automatic driving device in the database. Device test device.
According to claim 3,
The database includes a test scenario DB in which test scenario information including train location, train speed, and operation information data extracted from static and dynamic data collected by the data collection device is registered, and test scenario information of the test scenario DB A test apparatus for an automatic driving system for trains, characterized in that it includes a test result DB in which test result data generated by testing the automatic driving system is registered.
A first step of receiving test scenario information collected from a data collection device connected to a train or ground system from a test scenario DB; and
and a second step of determining train location, train speed, and operation information from the test scenario information, transmitting the determined test scenario data to an automatic driving device, and storing the determined test scenario data in a test result DB. device test method.
According to claim 5,
and a third step of displaying the train location, train speed, and operation information stored in the test result DB on the test machine management console after the second step.
According to claim 5,
a fourth step of changing a train position and train speed according to a vehicle model when a train propulsion and braking control command performed based on train position, train speed, and operation information is received from the automatic driving device after the second step; and
A fifth step of transmitting the changed train position, train speed, and operation information to the automatic driving device after the third step, and storing the changed train position, train speed, and operation information in a test result DB. Test method of an automatic driving device for trains, characterized in that.
According to claim 7,
and a sixth step of updating the test scenario data by reflecting the train location, train speed, and operation information stored in the test result DB to the test scenario DB after the fifth step. test method.

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