KR101472391B1 - Device for Checking an Existence and Nonexistence of Strangeness of Communication Channel of GCS and GDT of UAV System and Checking Method for the same - Google Patents

Abstract

Provided are a device for measuring the defects of a communications channel of ground control equipment of a unmanned aerial vehicle system and a measuring method thereof comprising a test reference value setting module which stores an optimal test reference value for the ground control equipment in a memory and sets the optimal test reference value in a test; a test panel unit which is connected to the test reference value setting module, electrically connects each test device necessary for the ground control equipment, selectively or simultaneously connects each test device to the ground control equipment with a test circuit, and performs the predetermined test; and a display unit which is installed on the test panel unit and informs a current test situation by using digital data or voice signals. The present invention is provided to precisely perform the test by changing a feature value for the ground control equipment after installing a power meter, an attenuator, etc. in the ground control equipment; precisely measure the defects for the communications channel of the ground control equipment; and install the ground control equipment in the unmanned aerial vehicle system, thereby maximizing the operation stability of the unmanned aerial vehicle system.

Description

TECHNICAL FIELD [0001] The present invention relates to an apparatus and method for measuring the presence or absence of a communication channel between a ground control apparatus and a ground tracking apparatus in a UAV system,

The present invention relates to an apparatus and method for measuring the presence or absence of a communication channel of a ground control apparatus and a ground tracking apparatus in a unmanned aerial vehicle system and, more particularly, to a ground control apparatus and a ground tracking apparatus by connecting a power meter and an attenuator, The present invention relates to an apparatus and method for measuring the presence or absence of a communication channel in a ground control apparatus and a ground tracking apparatus of an unmanned aerial vehicle system that maximizes operational stability of a unmanned aerial vehicle system by precisely testing the characteristics of the equipment and the ground tracking apparatus .

In general, unmanned aerial vehicles (UAVs) are fixed-wing aircraft or helicopters that are controlled by remote remote pilots. In the past, the unmanned aerial vehicles were mainly used for reconnaissance and table applications. They perform all public activities such as airplay. Therefore, various electronic devices including a camera serving as a pilot's eye are mounted on the UAV. Due to the various advantages of the UAV, the military UAV market has been growing rapidly and the market has been expanded to the civilian market. Such a unmanned aerial vehicle (ROV) is a system that obtains and provides real-time image information through ROK operations and appropriate monitoring within the ROK ROK. ㅇ It is a system for night air reconnaissance, continuous battlefield monitoring of combat situation and moving targets, Obtain information about the target located in the square of the equipment, and fix the spot immediately. These unmanned aerial vehicles are usually composed of unmanned aerial vehicles, ground control equipment, ground tracking equipment, launch control equipment, ground control equipment, launch equipment, support equipment and test inspection equipment.

Referring to FIG. 1, the conventional unmanned aerial vehicle system as described above may be implemented as follows. First, an unmanned flight is performed according to a remote control signal for unmanned flight, which is transmitted through a communication channel generated via the satellite 70, An unmanned flight vehicle 71 for transmitting image information and the like;

A ground control device 72 for configuring a wireless data link via the unmanned air vehicle 71 and the satellite 70 and remotely controlling the flight of the unmanned air vehicle through the formed wireless data link and receiving the acquired image information, .

Here, the ground control device 72 includes a Launch Control (LCS), a Ground Data (GDT), a Ground Control (GCS) Station), and ground relay equipment (hereinafter referred to as GRS: Ground Relay Station).

The operation of the conventional unmanned aerial vehicle as described above is such that an operator of the unmanned aerial vehicle 71 first connects the ground control device 72 and the wireless data link to the ground control device 72 via the satellite 70 The unmanned air vehicle 71 is taken off. The ground control device 72 transmits the wireless remote control signal to the flight control computer 73 of the unmanned aerial vehicle 71 through the uplink among the wireless data links as described above to control the flight. At this time, the flight control computer 73 of the unmanned air vehicle 71 transmits the acquired image information and the like to the ground control device 72 of the ground control station. At this time, the unmanned aerial vehicle (71) is capable of landing using a launching pad and a parachute in addition to a landing and landing, and can operate the ground control equipment in a region where the radio wave from the launch control equipment or the ground tracking equipment can not be secured (CCC), ASIC, and OCC can receive real-time image information, so that it is possible to easily grasp the battlefield situation and analyze situation of the commander.

However, the above conventional unmanned aerial vehicle system is not equipped with the ground control equipment for controlling the operation of the expensive unmanned aerial vehicle and the means for checking the abnormality of the communication channel of the ground tracking equipment, The operation stability of the unmanned aeronautical flight system is significantly degraded and the operation test of the ground control equipment and the ground tracking equipment is performed even if the system test procedure But the test procedure is frequently performed due to the manual operation.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the problems of the related art as described above, and it is an object of the present invention to provide an unmanned aerial vehicle system which accurately measures an abnormality in a communication channel between a ground control device and a ground- The present invention has been made to solve the above problems, and it is an object of the present invention to provide an apparatus and method for measuring the presence or absence of a communication channel of a ground control device and a ground tracking device of an unmanned aerial vehicle system.

Another object of the present invention is to set the optimum test standard value verified by various studies or tests to check the transmission sensitivity and output of the ground control equipment and the ground tracking equipment so that the communication between the ground control equipment and the ground tracking equipment The present invention provides an apparatus and method for measuring the presence or absence of a communication channel of a ground control device and a ground tracking device of an unmanned aerial vehicle system capable of maximizing the efficiency of a verification test on a channel.

In order to achieve the above object, according to the present invention, there is provided an information processing apparatus, comprising: a test reference value setting module for setting an optimal test reference value for a ground control device and a ground trace device in a memory and setting the test reference value during test execution;

A test panel that is linked to the test reference value setting module and electrically connects the ground control equipment and the various test instruments required for the ground tracking equipment so that they are selectively or simultaneously connected to the ground control equipment and the ground tracking equipment as test circuits, Wealth;

The present invention provides an apparatus for measuring the presence or absence of a communication channel between a ground control device and a ground tracking device of an unmanned aerial vehicle system, which is provided on the test panel and informs the current test situation by digital data or a voice signal.

Another aspect of the present invention is a method for testing a ground-tracking apparatus, comprising: a first step of electrically coupling ground control equipment and various test instruments required for a ground-tracking apparatus on a test panel surface;

C-BAND UP (Basic communication link) transmission output measurement mode, UHF UP (auxiliary communication link) transmission output measurement mode and C-BAND DN (downlink) reception sensitivity for ground control equipment and ground tracking equipment after the first process A second step of setting one of the measurement modes;

A third step of loading the reference test value of the ground test equipment and the ground test equipment corresponding to the measurement mode set through the test reference value setting module to the test instrument of the test panel unit and setting the reference test value to the reference value, ;

After the third step, the diagnostic and discriminating unit compares the measured values currently measured by the test instrument with the optimal test standards for the ground control equipment and the ground tracking equipment, and then determines whether the ground control equipment and the ground tracking equipment are abnormal And a fourth step of discriminating and outputting the communication channel abnormality of the unmanned aerial vehicle system according to the present invention.

According to the present invention, the power meter and the attenuator are connected to the ground control equipment and the ground tracking equipment, and then the characteristic values of the ground control equipment and the ground tracking equipment are varied and precisely tested. Thus, Since the abnormality of the communication channel of the equipment is precisely measured and installed in the unmanned aerial vehicle system, the operation stability of the unmanned aerial vehicle system can be maximized.

In addition, since the present invention as described above sets the optimal test standard value verified through various studies or tests to check the sensitivity and output of the transmission and reception of the ground control equipment and the ground tracking equipment, The effectiveness of the verification test can also be maximized.

1 is an explanatory view for explaining an example of a conventional unmanned flight system.
FIG. 2 is an explanatory view for explaining an apparatus for measuring a presence or absence of a communication channel of a ground control device and a ground tracking device of an unmanned aerial vehicle system according to the present invention. FIG.
3 is a flowchart of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of an apparatus for measuring presence or absence of a communication channel of a ground control device and a ground tracking device of an unmanned aerial vehicle system according to the present invention will be described with reference to the accompanying drawings.

However, the present invention may be embodied in other forms without being limited to the embodiments of the terrestrial control equipment and terrestrial tracking equipment communication channel abnormality measurement apparatus of the unmanned aerial vehicle system according to the present invention described here. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like reference numerals designate like elements throughout the specification. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. The term " comprises " And / or "comprising" does not exclude the presence or addition of one or more other elements, steps, operations, and / or elements.

Example

FIG. 2 is an explanatory view schematically explaining an embodiment of the apparatus for measuring presence or absence of a communication channel of the ground control equipment and the ground tracking equipment of the unmanned aerial vehicle system according to the present invention, and FIG. 3 is a flowchart of the present invention.

Referring to FIG. 2, an apparatus for measuring presence or absence of a communication channel of a ground control device and a ground tracking device of an unmanned aerial vehicle system according to an embodiment of the present invention,

A test reference value setting module 2 for setting an optimum test reference value for the ground control equipment 23 and the ground tracking equipment 1 verified through various studies or tests in a memory and setting the same at the time of test execution;

A spectrum analyzer 4, a power meter 5 (including a power sensor), and the like, which are interlocked with the test reference value setting module 2 and are required for the ground control equipment 23 and the ground tracking equipment 1, (Not shown), such as a fixed attenuator 6, a variable attenuator 7, a digital multimeter (not shown), an attenuator adapter kit (not shown), and the like, A test panel section (8) connected to the equipment (1) and executing the set test;

And a display (9) provided on the test panel section (8) and informing the current test situation by digital data or voice signal.

The test panel unit 8 includes a wireless module 12 for converting a test procedure into digital data and transmitting the test data to the smartphone 11 designated by the mobile communication network 10, And an Ethernet converter 14 for transmitting the data to the outside via the Internet 13 are connected.

In addition, the test panel unit 8 is provided with a ground control device 23 and a ground control device 23, which compares the currently measured measurement value with the optimal test reference value for the ground control device 23 and the ground tracking device 1, And a diagnosis discriminating section (15) for discriminating and outputting the abnormality status of the ground tracking device (1).

Further, a graphical icon of a color is generated for each test line at one end of the test panel unit 8 and is displayed on the display 9 so that a graphical icon can be displayed to check the progress of the test process 24).

Here, the unmanned aerial vehicle system 16 associated with the ground control equipment 23 may include a launch control device (LCS) for controlling takeoff and landing of the unmanned air vehicle 17; A ground tracking device 18 (or GDT) for controlling the functions of the launch control equipment and controlling the operation of the mission of the unmanned air vehicle 17, for example, a reconnaissance mission; (19: GRS) for selectively receiving frequency signals from the LCS (1) or the GDT (18) and operating the mission of the unmanned air vehicle (17) to a remote area.

The unmanned air vehicle 17 takes off using the runway by the LCS interlocked with the GDT 18. At this time, in the area without the runway, takeoff takes place through separate launch equipment (not shown). The unmanned aerial vehicle 17 launched in this manner performs the maneuvering and reconnaissance mission to the operation area, for example, and transmits the obtained real-time video information. In addition, the unmanned aerial vehicle 17 that has completed the above-mentioned reconnaissance mission lands on the runway. At this time, the landing is made through the parachute in the area without the runway.

Next, the control method of the present invention having the above-described configuration will be described.

The method of the present invention comprises a first step S2 of electrically coupling ground control equipment and various test instruments required for ground tracking equipment on a test panel surface in an initial state S1 as shown in Fig.

After the first process (S2), the C-BAND UP (Basic Communication Link) transmission output measurement mode, the UHF UP (auxiliary communication link) transmission output measurement mode and the C-BAND DN A second step (S3) of setting a measurement mode of the reception sensitivity measurement mode;

After the second step (S3), the most appropriate test reference value for the ground control equipment and the ground tracking equipment, which conforms to the measurement mode set through the test reference value setting module, is loaded into the test instrument of the test panel unit and set to the reference value A third step S4;

After the third step (S4), the diagnostic and discriminating unit compares the measured values currently measured by the test instrument with the optimum test standards for the ground control equipment and the ground tracking equipment, and then calculates the difference between the ground control equipment and the ground tracking equipment And a fourth step (S5) of determining whether there is a presence or absence.

In the fourth step S5, the testing process is converted into digital data through the wireless module unit of the test panel unit, and then transmitted to the designated smart phone through the mobile communication network. On the other hand, And a control step.

In the fourth step S5, when a graphic icon mode is executed, a graphic icon of a color is generated for each test line through the graphic generator and is displayed on the display, so that the progress of the test can be confirmed by a graphic icon And a graphic icon execution step.

In other words, various test instruments such as a spectrum analyzer 4, a power meter 5, and a fixed attenuator 6 (not shown), which are necessary for the ground control equipment 23 and the ground tracking equipment 1, ), A variable attenuator 7, a digital multimeter, an attenuator adapter kit, and the like. For example, in the case of the C-BAND UP (basic communication link) transmission output measuring mode for the ground tracking device 1 with which the ground control device 23 is connected by cable, the ground tracking device The fixed attenuator 6 of the test instrument 3 is connected to the terminal J2 of the communication box 20 of the main body 1 and then the power meter 5 is connected to the output end of the fixed attenuator 6. [ In the case of the UHF UP (auxiliary communication link) transmission output measurement mode of the above-mentioned ground tracking device 1, it is fixed to the terminal J2 of the UHF transmitter 21 of the ground control equipment 23 via the test panel 8 After the attenuator 6 is connected, the power meter 5 is connected to the output end of the fixed attenuator 6. In the case of the C-BAND DN (downlink) reception sensitivity measurement mode, the test instrument 3 (3) is connected to the terminal J5 of the image data receiver 22 of the ground tracking device 1 via the test panel unit 8 And the spectrum analyzer 4 is connected to the output terminal of the variable attenuator 7. The spectrum analyzer 4 is connected to the variable attenuator 7,

The C-BAND UP (basic communication link) transmission output measurement mode, the UHF UP (auxiliary communication link) transmission output measurement mode for the ground control device 23 connected with the cable and the ground tracking device 1 connected to the ground after the above- And C-BAND DN (downlink) reception sensitivity measurement mode. When the measurement mode is determined as described above, an optimum corresponding test reference value for the verified ground tracking device 1 conforming to the measurement mode set through the test reference value setting module 2 is determined Load the test instrument and set it as a reference value. When the preliminary preparation for the measurement of the ground control equipment is completed as described above, the diagnostic judgment unit 15 compares the measured value currently measured by the test instrument with the optimal test reference value for the ground tracking equipment 1, And determines and outputs an abnormality of the ground tracking device 1 according to the comparison. That is, since the ground control equipment 23 is connected to the ground tracking equipment 1 through a cable, the same can be obtained through the measurement process.

 At this time, during the test process, the wireless module 12 of the test panel unit 8 converts the test procedure into digital data and transmits it to the designated smartphone 11 through the mobile communication network 10, 11 and transmits the control signal to the test panel unit 8 so that the test process can be remotely controlled.

Meanwhile, when the graphic icon mode is set on the test panel unit 8 during the test process, a graphic icon of a color is generated for each test line through the graphic generator 24 and displayed on the display 9, So that the user can confirm the progress of the entire process with a graphical icon.

In addition, the C-BAND UP (basic communication link) transmission output measuring mode of the ground control device 23 and the ground tracking device 1 can be controlled by a ground control Prepare communication channels for communication tests of equipment (23: GCS), ground tracking equipment (1: GDT) and unmanned aerial vehicle (17). At this time, in the preliminary preparation step, the mission file and the mission map are transmitted from the mission planning assembly (also known as NBY) to the flight steering assembly (also referred to as PBY: Pilot Bay), and the mission handling file and the initialization data are loaded And confirm that the GPS (Satellite Navigation Device) navigation message (satellite 4 or more) is released. At this time, the indication value of the reception intensity of the GDT 18 is selected as the maximum value (PIKE SEARCH), and then the DISH ANT 'FED (pedestal) is turned off (the directional antenna pedestal power is turned off). The power meta sensor connected to the test panel unit 8 is connected to the power meter 5 after the preparation process of the C-BAND UP (basic communication link) transmission output measurement mode of the ground tracking equipment 1, (6) Connect the out direction toward the power meter. At this time, if the outgoing direction of the fixed attenuator 6 is not directed to the power meter 5 during the test connection step, the output of the power amp will be bypassed to the power meter 5, resulting in a power sensor failure of the power meter It should be noted that After the test connection step, the C-BAND transmitter of the PBY is turned off, the cable of the connector J2 (SUM) terminal is disconnected from the communication box 20, and the 8m RF cable is connected PBY's C-BAND transmitter is turned on to select transmission output power and strength, and the output value of Power Amp (high power amplifier) is checked with power meter (5). For example, the output measurement is -12dB, 8m RF cable 8db, and -12- (30 + 8) when the fixed attenuator is 30db. At this time, the output value of the power meter 5 can also be confirmed through the display 9.

 On the other hand, the UHF UP (auxiliary communication link) transmission output measurement mode is a preliminary preparation for establishing a communication channel for the communication test of the ground control equipment 23 (GCS), the ground tracking equipment 1 (GDT) and the unmanned air vehicle 17 . At this time, the mission planning assembly (also known as NBY) sends mission files and mission maps to the flight control assembly (also known as PBY), loads mission files and initialization data from the flight control assembly (PBY) GPS (Satellite Navigation Device) Make sure that no navigation messages (four or more satellites) are released. At this time, after selecting the indication value of the reception intensity of the ground control device 23 and the GDT 1 as the maximum value (PIKE SEARCH), the DISH ANT-FED (pedestal) is turned off (directional antenna pedestal power OFF). After the preparation process of the C-BAND UP (basic communication link) / transmission output measurement mode of the ground control equipment, the power meter connected to the test panel unit 8 is connected to the power meter 5, and then the fixed attenuator 3 ) Connect the out direction toward the power meter. At this time, if the outgoing direction of the fixed attenuator 3 is not directed to the power meter 5 during the test connection step, the output of the power amp will be bypassed to the power meter 5, resulting in a power sensor failure of the power meter It should be noted that After the above procedure, the PBY UHF (auxiliary communication) transmitter 21 is turned off, the cable of the connector J2 terminal is disconnected from the UHF transmitter 21 of the GDT 18, and the 8m RF cable is connected PBY's UHF transmitter 21 is turned on to select transmission output strength and strength, and the output value of the Power Amp is confirmed by the power meter 5. For example, if the output measurement value is about 5 db, (8m RF cable + 8db fixed attenuator) = 32db (5 + 32), the result is obtained as 37db. At this time, the output value of the power meter 5 can also be confirmed through the display 9.

In addition, the C-BAND DN (downlink) reception sensitivity measurement mode is prepared in advance for establishing a communication channel for the communication test of the ground tracking device 1 (GCS) with the vehicle. At this time, the mission planning assembly (hereinafter referred to as NBY) transmits the mission file and the mission map to the flight control assembly (PBY), loads the mission file and the initialization data from the PBY, 4 or more) is released and the indicator value of the reception intensity of GDT (18) is set to the maximum value (PIKE SEARCH), then the DISH ANT 'FED (pedestal) (OFF) (Directional antenna pedestal power OFF). Then, RF Cable (1.8m) 2EA is connected to the variable attenuator 7 (IN: 10 step upper left, OUT: 1 step lower right) after the preparation process of the C-BAND DN ), Disconnect the DN Link by turning off the DN LINK (downlink) transmitter of the PBY, connect the RF cable in the direction of the output of the variable attenuator 7 to the spectrum analyzer 4 and connect the N-type connector to the variable attenuator 7 ) Connect the RF cable in the IN direction to the cable connected to the VTR DN IN J5 terminal (AV signal). Also, turn on the DN LINK (downlink) transmitter of the PBY to confirm the Ref signal measurement with the spectrum analyzer 4 (record the signal value of the Ref value in the AV (flight), ex) measure the Ref value value of -45 dB. Further, after measuring the Ref signal, the DN LINK (downlink) transmitter of the PBY is turned off to disconnect the N-type RF cable from the spectrum analyzer 4, and then connected to the DN IN J5 terminal of the image data receiver 22 (7) 10 steps and 1 step varying by turning ON the DN LINK (downlink) transmitter of the PBY and changing the variable attenuator to the time of occurrence of the message "no object response" on the AVTE (Air Vehicle Test Equipment) Is recorded and measured. For example, if the Ref value is -45db and the attenuation value is -41db, -45 + -41 is calculated and the result is obtained as -86db. In this case, the C-band DN (basic communication link) reception sensitivity standard value of the above-mentioned ground tracking device (1) is -78db or less in case of no flight response, the reference value is less than -78db in case of no flight response message, (Difference between TM Data and Image Data is 4dB), and there is no abnormality in the mission, and the measurement value of image cracking should be -78dB.

1: Ground tracking equipment 2: Test reference value setting module
3: Test instrument 4: Spectrum analyzer
5: Power meter 6: Fixed attenuator
7: Variable attenuator 8: Test panel section
9: Display unit 10: Mobile communication network
11: smartphone 12: wireless module part
13: Internet 14: Ethernet converter
15: diagnostic judgment unit 16: unmanned aerial vehicle system
17: Unmanned Vehicle 18: Ground Tracking Equipment
19: Ground relay equipment 20: Communication box
21: UHF transmitter 22: image data receiver
23: ground control equipment 24: graphic generator

Claims (7)

A test reference value setting module in which a test reference value for the ground control equipment and the ground trace equipment is built in the memory and set at the time of test execution;
A test panel that is linked to the test reference value setting module and electrically connects the ground control equipment and the various test instruments required for the ground tracking equipment so that they are selectively or simultaneously connected to the ground control equipment and the ground tracking equipment as test circuits, Wealth;
A display unit provided on the test panel and informing the current test situation by digital data or a voice signal,
The test panel unit includes a wireless module unit for converting a test procedure into digital data and transmitting the digital test data to a smartphone designated through a mobile communication network, an Ethernet conversion unit for converting a test procedure into digital data and transmitting the test data to the outside via the Internet,
The test panel unit compares a test reference value of the ground control equipment and the ground measurement equipment with the currently measured measurement, and then a diagnosis discrimination unit for discriminating and outputting the abnormality of the ground control equipment and the ground tracking equipment according to the comparison Wherein the communication control unit is provided with a control unit for controlling the launch of the unmanned aerial vehicle system. delete delete The method according to claim 1,
And a graphic generator for generating a graphical icon of a color for each test line and displaying the graphical icon on the display for checking the progress of the test process with a graphical icon. Measuring device for presence or absence of communication channel of launch control equipment. A first step of electrically coupling the ground control equipment and the various test instruments required for the ground tracking equipment to the test panel float;
After the first process, the C-BAND UP (Basic Communication Link) transmission output measurement mode, the UHF UP (auxiliary communication link) transmission output measurement mode, and the C-BAND DN A second step of setting a measurement mode of the reception sensitivity measurement mode;
A third step of loading the test reference values for the ground control equipment and the ground tracking equipment, which are in conformity with the measurement mode set through the test reference value setting module, to the corresponding test instrument of the test panel unit and setting them as reference values after the second step;
After the third step, the diagnostic and discriminating unit compares the measured values currently measured by the test instrument with the test standards for the ground control equipment and the ground tracking equipment, and then determines the abnormality of the ground control equipment according to the comparison, Process,
In the fourth step, the test process is converted into digital data through the wireless module of the test panel unit and transmitted to the designated smart phone through the mobile communication network. On the contrary, the remote control step is performed to remotely control the test process by receiving the control signal And measuring the communication channel abnormality measurement apparatus of the ground control equipment of the unmanned aerial vehicle system. delete 6. The method of claim 5,
In the fourth step, when a graphic icon mode is executed, a graphical icon of a color is generated for each test line through the graphic generator and is displayed on the display, so that a graphical icon execution step And measuring a communication channel abnormality measurement device of the ground control equipment of the unmanned aerial vehicle system.

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