KR20120000679A - System for contact testing wheel and rail using input condition control and method therefor - Google Patents

Abstract

PURPOSE: A contact test system of a wheel and rail through external input condition control and a method thereof are provided to match state information which is varied on a real time basis with data inputted from a remote place, thereby maintaining an optimized state of the wheel and rail in a railway operation state. CONSTITUTION: A laser scan measuring device(100) is separated from the upper part of a wheel specimen(20) or rail specimen(10) with a predetermined distance. The laser scan measuring device comprises a laser scan part, an eddy current detection part, and a camera photographing part. A local cooling device(200) comprises a specimen state information receiving part, a temperature sensing part, a local cooling part, a specimen state information analysis part, and an external condition input part. A train management server(300) comprises a train information receiving part, a train state management DB, and a train state display part.

Description

Contact test system of wheel and rail through external input condition control and its method {SYSTEM FOR CONTACT TESTING WHEEL AND RAIL USING INPUT CONDITION CONTROL AND METHOD THEREFOR}

The present invention relates to a wheel and rail contact test system and method through external input condition control, and more particularly, by setting the input condition changed according to the change of the external environment, the effective contact test result between the wheel and the rail. It relates to the technology to provide.

Railways are composed of large structures such as vehicles, tunnels and bridges, and their safety is directly related to casualties. Therefore, the importance of this has been widely recognized, and in recent years, it has been increasingly emphasized to secure the safety of the railroad in accordance with the trend of high speed and high performance of the train.

To achieve this, the design, fabrication and test evaluation of each element must be comprehensive. In particular, it is essential to evaluate the safety of the structure through the static and dynamic tests of each element designed and manufactured and the integrated tests of these elements.

The field of test and evaluation of railway systems, where safety and reliability are important, is an important task to confirm basic performance of unit products and systems manufactured according to specifications, and final confirmation in terms of commercialization by checking reliability and safety.

Therefore, as an element of system technology, data-based construction based on the know-how of technology accumulated up to now rather than a high technical concept is needed, and a test evaluation system of railway system that can utilize the constructed data is required. There is a situation.

An object of the present invention, based on the state information (speed, acceleration, travel distance, load, pressure, temperature value) obtained from the wheel and rail control the state information that changes in real time during railway operation to match the data input from the remote site Thus, the purpose of the wheel and rail to maintain the optimal state during railway operation.

Wheel and rail contact test system through the external input condition control of the present invention for achieving the technical problem is provided to be spaced apart from the rail specimen or the upper portion of the wheel specimen by a predetermined distance, respectively the rail specimen and the wheel specimen through laser scanning A laser scan meter for generating specimen state information including the velocity, acceleration, travel distance, load and pressure values of the laser beam; A plurality of rail specimens and wheel specimens are provided so as to be spaced apart from each other by a predetermined distance, and according to the specimen state information received from the laser scan meter and the temperature value measured by the temperature sensor, heat by water, sand or heater to the rail specimen or wheel specimen. A local cooler for applying; And a train management server that receives the specimen state information from the laser scan measuring instrument, stores and manages the specimen state information in the train state management DB, and generates and displays the state of the specimen as a state graph including a time series trend curve.

In addition, the contact test method of the wheel and the rail through the external input condition control of the present invention based on the above-described system, the laser scan measuring device for the speed, acceleration, moving distance, load of each of the rail specimen and the wheel specimen through laser scanning (A) generating specimen state information including a pressure value; (B) supplying the cool air stored in the refrigerant tank through the cooling nozzle so that the local cooler corresponds to a preset weight to the rail specimen or the wheel specimen according to the temperature value measured by the temperature sensor; (C) providing a local cooler with heat by water, sand, or heater to match a predetermined weight to the rail or wheel specimen according to the specimen state information and the temperature value measured by the temperature sensor; And (d) generating, by the train management server, the specimen state information received and stored in the train state management DB, and generating the specimen state information including a time series trend curve. (E) before the step or (c), the local cooler receives a weight for each of the temperature value and the pressure value according to the manager's key operation signal.

According to the present invention as described above, based on the state information (speed, acceleration, travel distance, load, pressure, temperature value) obtained from the wheel and the rail, the state information that is changed in real time during railway operation, matches the data input from the remote site By controlling so as to have the effect of maintaining the optimum state of the wheel and the rail during railway operation.

1 is a block diagram showing a contact test system of the wheel and the rail through the external input condition control according to the present invention.
Figure 2 is a block diagram showing a laser scan meter of the wheel and rail contact test system through the external input condition control according to the present invention.
Figure 3 is a block diagram showing a local cooler of the contact test system of the wheel and the rail through the external input condition control according to the present invention.
Figure 4 is a block diagram showing a train management server of the wheel and rail contact test system through the external input condition control according to the present invention.
Figure 5 is a block diagram showing a permanent magnet of the wheel and rail contact test system through the external input condition control according to the present invention.
Figure 6 is a flow chart illustrating a contact test method of the wheel and the rail through the external input condition control according to the present invention.
Figure 7 is a flow chart illustrating in detail the step S10 of the wheel and rail contact test method through the external input condition control according to the present invention.
Figure 8 is a flow chart showing in detail the step S30 of the wheel and rail contact test method through the external input condition control according to the present invention.
Figure 9 is a flow chart showing in detail the step S40 of the wheel and rail contact test method through the external input condition control according to the present invention.
10 is a flow chart showing in detail the process after step S40 of the wheel and rail contact test method through the external input condition control according to the present invention.

Specific features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, terms and words used in the present specification and claims are to be interpreted in accordance with the technical idea of the present invention based on the principle that the inventor can properly define the concept of the term in order to explain his invention in the best way. It should be interpreted in terms of meaning and concept. It is to be noted that the detailed description of known functions and constructions related to the present invention is omitted when it is determined that the gist of the present invention may be unnecessarily blurred.

As shown in FIG. 1, the contact test system S of the wheel and the rail through the external input condition control according to the present invention includes a laser scan meter 100, a local cooler 200, and a train management server 300. It is composed.

First, referring to FIGS. 1 and 2, the laser scan measuring apparatus 100 of the wheel and rail contact test system S through external input condition control according to the present invention will be described below.

The laser scan measuring apparatus 100 is provided to be spaced apart from the upper portion of the rail specimen 10 or the wheel specimen 20 by a predetermined distance, and the speed, acceleration, and movement of each of the rail specimen 10 and the wheel specimen 20 through laser scanning. It performs a function of generating the specimen state information including the distance, the load and the pressure value, it comprises a laser scanning unit 110, the eddy current detection unit 120 and the camera photographing unit 130.

Specifically, the laser scan unit 110 moves to the X-axis, Y-axis, and Z-axis through laser scanning to apply a predetermined current to the rail specimen 10 or the wheel specimen 20.

In addition, the eddy current detector 120 extracts the eddy current that varies depending on the current applied through the laser scan unit 110 to generate wear information on the crack state of the rail specimen 10 or the wheel specimen 20, The specimen state information including the speed, acceleration, movement distance, load and pressure value of each of the rail specimen 10 or the wheel specimen 20 is generated.

At this time, the eddy current detector 120 moves and tracks the rail specimen 10 or the wheel specimen 20 from the X-axis to the Y-axis, and extracts the eddy current that varies on the surface of the rail specimen 10 or the wheel specimen 20. The wear information is generated according to the deviation of the volume and the cross-sectional area of the rail specimen 10 or the wheel specimen 20 obtained through the changing eddy current.

The camera photographing unit 130 is moved according to laser scanning of the laser scanning unit 110 provided at one side thereof to photograph the rail specimen 10 or the wheel specimen 20 to generate specimen photographing information.

On the other hand, with reference to Figures 1 and 3 to look for the local cooler 200 of the contact test system (S) of the wheel and the rail through the external input condition control according to the present invention.

The local cooler 200 is provided in plural so as to be spaced apart from each of the rail specimen 10 and the wheel specimen 20 by a predetermined distance. Accordingly, the rail specimen 10 or the wheel specimen 20 is started to apply heat by water, sand or a heater, the specimen state information receiving unit 210, the temperature sensing unit 220, and the local cooling unit 230. , The specimen state information analysis unit 240 and the external condition input unit 250 is configured.

Specifically, the specimen state information receiving unit 210 receives the specimen state information from the laser scan measuring device 100 connected to the information communication network, and the temperature sensing unit 220 is a predetermined distance from the rail specimen 10 and the wheel specimen 20. It is provided to be spaced apart to measure the temperature value in real time.

In addition, the local cooling unit 230 is provided so as to be spaced apart from the rail specimen 10 and the wheel specimen 20 by a predetermined distance to determine whether the temperature value applied from the temperature sensing unit 220 exceeds a predetermined weight. When the value exceeds a predetermined weight, the rail specimen 10 and the wheel specimen 20 are opened until the temperature of the cold air stored in the cooling tank 231 is matched with the preset weight by opening the refrigerant tank 231. ).

In addition, the specimen state information analysis unit 240 determines whether the temperature value received from the temperature sensing unit 220 exceeds a predetermined weight, and when the temperature value exceeds the predetermined weight, the water tank 241 Open and supply water to the rail specimen 10 or the wheel specimen 20 until the temperature value matches a predetermined weight.

In addition, the specimen state information analysis unit 240 determines whether the temperature value applied from the temperature sensing unit 220 is less than the predetermined weight, and when the temperature value is less than the predetermined weight, the heater 242 is operated to operate the rail specimen. (10) or the wheel specimen 20 is supplied with heat until the temperature value matches the preset weight.

In addition, the specimen state information analysis unit 240 determines whether the pressure value according to the speed, acceleration, moving distance and load included in the specimen state information received from the specimen state information receiving unit 210 is less than the weight to determine the pressure value. If less than the weight, the sand tank 243 is opened to supply the sand to the rail specimen 10 or the wheel specimen 20 until the pressure value matches the preset weight.

Then, the external condition input unit 250 receives the weight value according to the temperature value and the pressure value according to the key operation signal of the manager and applies it to the specimen state information analysis unit 240, the temperature set in the specimen state information analysis unit 240 The weight of each value and pressure value is updated.

On the other hand, with reference to Figure 1 and Figure 4 when looking at the train management server 300 of the contact test system (S) of the wheel and the rail through the external input condition control according to the present invention.

The train management server 300 receives the wear level information, the specimen state information and the specimen photographing information from the laser scan measuring device 100 connected through the information communication network, and stores and manages the train state management DB 320, and wears the information and the specimen. The state information is generated as a specimen state graph including a time series trend curve, and the specimen photographing information is reproduced in real time, but the train information receiving unit 310, the train state management DB 320 and the train state display unit 330 It is configured to include.

Specifically, the train information receiving unit 310 receives wear information, specimen state information, and specimen photographing information from the laser scan measuring device 100 connected through the information communication network, and the train state management DB 320 wear information, specimen state information. And store specimen management information.

In addition, the train status display unit 330 generates and displays a wear state information and a specimen state information received from the train information receiver 310 as a specimen state graph including a time series trend curve, and reproduces the specimen photographing information in real time. do.

1 and 5, the permanent magnet 400 of the wheel and rail contact test system S through the external input condition control according to the present invention is provided between both the rail specimen 10 and the wheel specimen 20. It is provided on the lower surface of the rail to perform the function of collecting particles (particles) struck from the rail specimen 10 and the wheel specimen 20 in accordance with the wear generated during the operation of the train.

On the other hand, with reference to Figures 6 to 10 will be described below for the contact test method of the wheel and the rail through the external input condition control according to the present invention.

Referring to FIG. 6, a laser scan meter 100 is provided to be spaced apart from each of the rail specimen 10 and the wheel specimen 20 by a predetermined distance, and each of the rail specimen 10 and the wheel specimen 20 through laser scanning is provided. Generate specimen state information including speed, acceleration, travel distance, load and pressure values (S10).

Subsequently, a plurality of local coolers 200 are provided so as to be spaced apart from each of the rail specimen 10 and the wheel specimen 20 by a predetermined distance, and the rail specimen 10 or the wheel specimen according to the temperature value measured by the temperature sensor. The refrigerant tank 231 is opened to match the preset weight to 20 to supply the stored cold air through the cooling nozzle 232 (S20).

Subsequently, the water cooler 200 matches the preset weight with the rail specimen 10 or the wheel specimen 20 according to the specimen state information received from the laser scan meter 100 and the temperature value measured by the temperature sensor. , Provides heat by sand or heater (S30).

Then, the train management server 300 receives the specimen state information from the laser scan measuring apparatus 100 connected through the information communication network, stores and manages the specimen state information in the train state management DB 320, and plots the specimen state information in time series. Create a graph containing the specimen state (S40).

In addition, before the step S20 or the step S30, the local cooler 200 further includes receiving a weight for each of the temperature value and the pressure value according to the key operation signal of the manager (not shown).

Hereinafter, the step S10 of the method for testing the contact between the wheel and the rail through the external input condition control according to the present invention will be described in detail with reference to FIG. 7.

First, the laser scan unit 110 of the laser scan meter 100 moves to the X-axis, Y-axis, and Z-axis through laser scanning to apply a preset current to the rail specimen 10 or the wheel specimen 20. (S11).

Subsequently, the eddy current detection unit 120 of the laser scan measuring apparatus 100 extracts the eddy current that varies in the rail specimen 10 or the wheel specimen 20 to determine the crack state of the rail specimen 10 or the wheel specimen 20. Abrasion degree information is generated and specimen state information including speed, acceleration, movement distance, load, and pressure values of each of the rail specimen 10 or the wheel specimen 20 is generated (S12).

Then, the camera photographing unit 130 of the laser scan measuring apparatus 100 is moved according to the laser scanning of the laser scanning unit 110 provided at one side thereof, and photographs the specimen by photographing the rail specimen 10 or the wheel specimen 20. Generate the information (S13).

Hereinafter, referring to FIG. 8, a detailed description will be given of step S30 of the wheel and rail contact test method through the external input condition control according to the present invention.

First, the specimen state information receiving unit 210 of the local cooler 200 receives the specimen state information from the laser scan meter 100 connected through the information communication network (S31).

Subsequently, a temperature value of the rail specimen 10 or the wheel specimen 20 provided such that the temperature sensing unit 220 of the local cooler 200 is spaced a predetermined distance is measured in real time (S32).

Subsequently, the specimen state information analysis unit 240 of the local cooler 200 determines whether the temperature value exceeds a predetermined weight (S33).

As a result of the determination in step S33, when the temperature value exceeds a preset weight, the specimen state information analyzing unit 240 of the local cooler 200 opens the water tank 241 to open the rail specimen 10 or the wheel specimen ( 20) water is supplied until the temperature value matches the preset weight (S34). On the other hand, when the determination result of step S33, if the temperature value does not exceed the predetermined weight, the procedure is carried out to step S35.

Subsequently, the specimen state information analyzing unit 240 of the local cooler 200 determines whether the temperature value is less than a predetermined weight (S35).

As a result of the determination in step S35, when the temperature value is less than the predetermined weight, the specimen state information analyzing unit 240 of the local cooler 200 operates the heater 242 to the rail specimen 10 or the wheel specimen 20. Heat is supplied until the temperature value matches the preset weight (S36). On the other hand, when the determination result of step S35, if the temperature value is not less than the predetermined weight, the procedure is carried out to step S37.

Subsequently, the specimen state information analysis unit 240 of the local cooler 200 determines whether the pressure value according to the speed, acceleration, moving distance, and load included in the specimen state information is less than the weight (S37).

As a result of the determination in step S37, when the pressure value is less than the weight, the specimen state information analyzing unit 240 of the local cooler 200 opens the sand tank 243 to press the rail specimen 10 or the wheel specimen 20. Sand is supplied until the value matches the preset weight (S38). On the other hand, when the determination result of step S37, the pressure value is consistent with the weight, the procedure is carried out to step S40.

Hereinafter, referring to FIG. 9, a detailed description will be given of step S40 of the wheel and rail contact test method through the external input condition control according to the present invention.

First, the train information receiver 310 of the train management server 300 receives wear information, specimen state information, and specimen photographing information from the laser scan meter 100 connected through the information communication network (S41).

Subsequently, the train state management DB 320 of the train management server 300 stores and manages the wear level information, the specimen state information, and the specimen photographing information (S42).

In addition, the train status display unit 330 of the train management server 300 generates and displays a wear state information and a specimen state information received from the train information receiver 310 as a specimen state graph including a time series trend curve, and The specimen photographing information is reproduced in real time (S43).

On the other hand, referring to Figure 10 in detail after the step S40 of the wheel and rail contact test method through the external input condition control according to the present invention in detail.

The permanent magnet 400 is provided on the lower surface between both the rail specimen 10 and the wheel specimen 20 so that the particles that are struck from the rail specimen 10 and the wheel specimen 20 according to abrasion generated during the train operation ( Particles are collected (S50).

As described above and described with reference to a preferred embodiment for illustrating the technical idea of the present invention, the present invention is not limited to the configuration and operation as shown and described as described above, it is a deviation from the scope of the technical idea It will be understood by those skilled in the art that many modifications and variations can be made to the invention without departing from the scope of the invention. And all such modifications and changes as fall within the scope of the present invention are therefore to be regarded as being within the scope of the present invention.

S: Wheel and rail contact test system by controlling external input condition
10: rail specimen 20: wheel specimen
100: laser scan meter 110: laser scan unit
120: eddy current detection unit 130: camera photographing unit
200: local cooler 210: specimen state information receiving unit
220: temperature sensing unit 230: local cooling unit
231: refrigerant tank 232: cooling nozzle
240: specimen state information analysis unit 241: water tank
242: heater 243: sand tank
250: external condition input unit 300: train management server
310: train information receiver 320: train status management DB
330: train status display unit 400: permanent magnet

Claims (14)

In the contact test system of the wheel and the rail by controlling the external input condition,
It is provided so as to be spaced apart from the upper portion of the rail specimen or the wheel specimen by a predetermined distance, and through the laser scanning to generate the specimen state information including one or more of the speed, acceleration, movement distance, load or pressure value of each of the rail specimen and the wheel specimen Laser scan meter;
A plurality of rail specimens and wheel specimens are provided to be spaced apart from each other by a predetermined distance, and the rail specimens or wheel specimens are used in water, sand, or heater according to the specimen state information received from the laser scan meter and the temperature value measured by the temperature sensor. A local cooler that applies heat by one or more; And
The train management server receives the test piece state information from the laser scan measuring unit, stores and manages the train state management DB, and generates and displays the test piece state information as a test piece state graph including a time series trend curve. Wheel and rail contact test system by controlling external input condition. The method of claim 1,
The laser scan meter,
A laser scanning unit for applying a predetermined current to the rail specimen or specimen image side wheel to move to the X-axis, Y-axis or Z-axis direction of the one or more through the laser scanning; And
By extracting the eddy current fluctuating according to the current applied through the laser scan unit to generate wear information on the crack state of the rail specimen or wheel specimen, and the speed, acceleration, movement distance, load or An eddy current detection unit for generating specimen state information including at least one of the pressure value; contact test system of the wheel and the rail through the external input condition control, comprising a. The method of claim 2,
The laser scan meter,
A camera photographing unit which is moved according to laser scanning of the laser scanning unit to generate the specimen photographing information by photographing the rail specimen or the wheel specimen; further comprising a contact test system between the wheel and the rail through external input condition control. . The method of claim 2,
The eddy current detection unit,
The rail specimen or wheel specimen is moved and tracked from the X-axis to the Y-axis to extract the eddy currents that fluctuate from the surface of the rail specimens or wheel specimens, and the volume and cross-sectional area of the rail or wheel specimens Wheel and rail contact test system through external input condition control, characterized by generating wear information according to the deviation. The method of claim 1,
The local cooler,
A specimen state information receiver for receiving specimen state information from the laser scan meter;
A temperature sensing unit provided to be spaced apart from the rail specimen and the wheel specimen by a predetermined distance to measure a temperature value in real time;
The rail specimen and the wheel specimen are provided to be spaced apart from the predetermined distance to determine whether the temperature value exceeds a predetermined weight, and when the temperature value exceeds a predetermined weight, the cold air stored in the refrigerant tank through the cooling nozzle is A local cooling unit supplying the rail specimen and the wheel specimen until a temperature value matches a predetermined weight;
If the temperature value exceeds the predetermined weight by determining whether the temperature value exceeds a predetermined weight, open the water tank and apply water until the temperature value matches the predetermined weight with the rail or wheel specimen. When the temperature value is less than the predetermined weight, the heater is operated to supply heat to the rail specimen or wheel specimen until the temperature value matches the predetermined weight, the speed included in the specimen state information, When the pressure value according to any one of acceleration, moving distance, or load is less than the weight, analysis of specimen state information by opening sand tank and supplying sand to the rail specimen or wheel specimen until the pressure value matches the predetermined weight part; And
And an external condition input unit configured to receive the weight value according to the temperature value or the pressure value and update the weight value of each of the temperature value or the pressure value set in the specimen state information analyzer. Rail contact test system. The method of claim 1,
The train management server,
A train information receiver configured to receive at least one of wear information, specimen state information, and specimen photographing information from the laser scan meter;
A train state management DB for storing and managing at least one of the wear level information, specimen state information, and specimen photographing information; And
And a train state display unit for generating and displaying the wear state information or the specimen state information as a specimen state graph including a time series trend curve, and reproducing the specimen photographing information in real time. Contact test system of wheel and rail through The method of claim 1,
A permanent magnet provided on the lower surface between both the rail specimen and the wheel specimen to collect particles swept out of the rail specimen and the wheel specimen according to abrasion generated during the train operation; Wheel and rail contact test system by controlling external input condition. In the contact test method of the wheel and the rail through the external input condition control,
(a) the laser scan measuring unit generating specimen state information including at least one of speed, acceleration, movement distance, load or pressure value of each of the rail specimen or the wheel specimen through laser scanning;
(b) supplying cool air stored in the refrigerant tank through a cooling nozzle so that a local cooler corresponds to a preset weight to the rail specimen or the wheel specimen according to the temperature value measured by the temperature sensor;
(c) heating or cooling by one or more of water, sand, or heater so that the local cooler corresponds to a predetermined weight for the rail or wheel specimen in accordance with the specimen state information and the temperature value measured by the temperature sensor. Performing; And
(d) the train management server receiving the specimen state information and storing and managing it in a train state management DB, and generating the specimen state graph including a time series trend curve;
(e) before the step (b) or (c), the local cooler receives a weight for each of the temperature value or the pressure value according to the key operation signal of the manager; Method of contact test of wheel and rail by condition control. The method of claim 8,
In step (a),
(a-1) applying a preset current to the rail specimen or the wheel specimen by moving the laser scan unit of the laser scan meter in one or more directions of X, Y, or Z axes through laser scanning;
(a-2) The eddy current detection unit of the laser scan meter extracts the eddy current fluctuating in the rail specimen or the wheel specimen to generate wear information on the crack state of the rail specimen or the wheel specimen, and each of the rail specimen or the wheel specimen. Generating specimen state information including at least one of a velocity, an acceleration, a movement distance, a load, and a pressure value of the specimen; And
(a-3) a camera photographing unit of the laser scan meter is moved according to laser scanning of the laser scan unit to generate the specimen photographing information by photographing the rail specimen or the wheel specimen; Method of contact test of wheel and rail through control. The method of claim 8,
In step (c),
(c-1) receiving, by the specimen state information receiver of the local cooler, specimen state information from the laser scan meter;
(c-2) measuring the temperature value of the rail specimen or the wheel specimen in real time by the temperature sensing unit of the local cooler;
(c-3) determining whether or not the temperature value exceeds a predetermined weight by a specimen state information analyzer of the local cooler; And
(c-4) As a result of the determination in the step (c-3), when the temperature value exceeds a preset weight, the specimen state information analysis unit of the local cooler opens the water tank to the rail specimen or the wheel specimen. And supplying water until the temperature value coincides with a preset weight value. The method of claim 10,
In step (c),
(c-5) determining whether the temperature value is less than a predetermined weight by a specimen state information analyzer of the local cooler; And
(c-6) When the temperature value is less than the predetermined weight, as a result of the determination in the step (c-5), the specimen state information analysis unit of the local cooler operates a heater to change the temperature value to the rail specimen or the wheel specimen. And supplying heat until it matches a predetermined weight. The contact test method of a wheel and a rail by controlling external input conditions. The method of claim 8,
In step (c),
(c-7) determining whether the pressure value according to one or more of the speed, acceleration, movement distance, or load included in the specimen state information is less than the weight of the specimen state information analysis unit of the local cooler; And
(c-8) If the pressure value is less than the weight as a result of the determination in the step (c-7), the specimen state information analysis unit of the local cooler opens a sand tank to allow the rail or wheel specimen to receive the pressure value. Supplying sand until it matches the set weight; Method of contact test between the wheel and the rail through the external input condition control comprising a. The method of claim 8,
In step (d),
(d-1) receiving, by the train information receiving unit of the train management server, at least one of wear information, specimen state information, and specimen photographing information from the laser scan meter;
(d-2) storing and managing at least one of wear information, specimen state information, and specimen photographing information by the train state management DB of the train management server; And
(d-3) generating and displaying the wear state information or the specimen state information of the train management server as a specimen state graph including a time series trend curve, and reproducing the specimen photographing information in real time; Contact test method of the wheel and the rail through the external input condition control, characterized in that it comprises a. The method of claim 8,
After the step (d)
(e) a permanent magnet is provided on the lower surface between both the rail specimen and the wheel specimen to collect particles struck from the rail specimen and the wheel specimen according to abrasion occurring during train operation; Contact test method of the wheel and the rail through the external input condition control, characterized in that.

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