KR20190040958A - Black box system for unmanned aerial vehicle - Google Patents

Abstract

An objective of the present invention is to provide a black box system for an unmanned aerial vehicle which encodes flight data of an unmanned aerial vehicle to store and transceive the flight data with a ground control system, and backs up the flight data in a server in real time to allow safety management and accident investigation management of the unmanned aerial vehicle. To this end, the black box system for an unmanned aerial vehicle comprises: an unmanned aerial vehicle to store flight data extracted by a sensor unit and image data photographed by a camera, and transmit the flight data and the image data to a management server; and the management server to receive the flight data and the image data transmitted from the unmanned aerial vehicle to back up the flight data and the image data. Therefore, the present invention encodes the flight data of the unmanned aerial vehicle to store and transceive the flight data with a ground control system, backs up the flight data in a server in real time to allow safety management and accident investigation management of the unmanned aerial vehicle, encodes the flight data to provide integrity and confidentiality for corresponding information, and acquires the flight data and locations even if a black box is damaged by a crash of the unmanned aerial vehicle.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a black box system,

The present invention relates to an unmanned airplane black box system, and more particularly, to an unmanned airplane black box system capable of encrypting flight data of an unmanned airplane and transmitting / receiving the same to / from a ground control system, To an unmanned aircraft black box system.

Unmanned Aerial Vehicle (UAV) is an airplane that maneuvers itself by recognizing and judging the surrounding environment according to the remote control or pre-input program on the ground without pilot.

Although these unmanned aerial vehicles were developed for military use, they have recently been reborn as high-end shooting, delivery, and kiddy products, and demand is increasing in various fields such as civilian use and industrial use.

FIG. 1 is a perspective view of a conventional unmanned airplane, in which a plurality of propellers 11 are installed to fly up / down / left / right, and a camera 12 for photographing Can be installed.

In recent years, laws have been enacted to allow users who have a license issued by a government agency to operate an unmanned aerial vehicle of 12 kg or more.

However, as unmanned aircraft are used, the number of unmanned aircraft is increasing due to various variables.

The need for a data storage device such as a black box is required in order to ascertain the exact cause of the fall when the collision occurs together with the safety of the unmanned aerial vehicle.

A data storage device such as a black box is generally integrated with a Flight Data Recorder (FDR) and a Cockpit Voice Recorder (CVR), and is provided for data storage and flight accident investigation.

However, the current unmanned aerial vehicle has a problem that it is difficult to accurately analyze the cause of an accident in case of an accident such as a crash, because many aircraft have no black box.

Korean Registered Patent Publication No. 10-1716653 (entitled " Drones Loss Tracking Method "

In order to solve such problems, the present invention provides a unmanned airplane black box system capable of encrypting flight data of an unmanned airplane, transmitting / receiving it with the ground control system, real-time backup to the server, .

In order to accomplish the above object, an embodiment of the present invention provides a method of controlling an air-conditioner, including: determining a position of a gas, an acceleration of a gas, a height of a gas, a pressure altitude, A camera for outputting image data by photographing the periphery of the unmanned airplane, a control unit for controlling to fly according to the control signal of the operator, The image data of the surroundings captured by the camera is stored in a black box, and the flight data and the image data stored in the black box are converted into an encrypted signal of a predetermined format A control unit for controlling the sensor unit to transmit the real-time telemetry data to the management server, A black box for storing log data of the operator's control signal in accordance with a preset storage format together with time information; and a control unit for controlling the unmanned aircraft according to the operation control signal of the controller, And a control unit for transmitting the flight data and the image data stored in the black box in a Secure Socket Layer (SSL) according to an operation control signal of the control unit, And a data communication unit for transmitting data independently to the management server, wherein the data communication unit is divided into a communication module for transmitting the flight data and a communication module for transmitting image data. And a management server for receiving and backing up the encrypted flight data and the image data transmitted from the unmanned airplane, wherein the management server searches for information necessary for flight data analysis to analyze the flight situation occurring on the unmanned airplane during the flight And analyzes flight data by reflecting the searched information.

Also, the UAV and the management server according to the embodiment of the present invention can transmit and receive the encrypted flight data and image data using at least one of RF (Radio Frequency) data communication and LTE (Long Term Evolution) data communication .

In addition, the management server according to an embodiment of the present invention is a flight data analysis system (FDAS) that receives telemetry data transmitted during flight of the unmanned airplane in real time, In accordance with the compliance requirements for the data, in order to block the security threat of the user.

The present invention is advantageous in that flight data of an unmanned airplane is encrypted and transmitted to and received from a storage and ground control system, and real-time backup is performed to a server to efficiently provide safety management and accident investigation management of an unmanned airplane.

In addition, the present invention has an advantage of providing integrity and confidentiality of the information by encrypting the flight data.

Further, the present invention is advantageous in that flight data can be acquired and analyzed even if the black box of the UAV is broken.

In addition, the present invention is advantageous in that the position of the crash point can be confirmed by using the flight data transmitted from the UAV.

1 is a perspective view showing a general unmanned aerial vehicle.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]
3 is a block diagram illustrating the configuration of an unmanned aerial vehicle of the unmanned airplane black box system according to the present invention.
FIG. 4 is a block diagram showing a configuration of a sensor unit of the unmanned aerial vehicle black box system according to FIG. 3;
FIG. 5 is a block diagram illustrating a management server configuration of an unmanned aerial vehicle black box system according to the present invention; FIG.
FIG. 6 is a flowchart illustrating a control process of the unmanned airplane black box system according to the present invention. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of an unmanned aerial vehicle black box system according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 is a block diagram showing the configuration of an unmanned aerial vehicle of the unmanned airplane black box system according to the present invention, and FIG. 4 is a block diagram of the unmanned airplane black box system according to the present invention, FIG. 5 is a block diagram illustrating a configuration of a management server of the unmanned airplane black box system according to the present invention, and FIG. 6 is a block diagram of the unmanned airplane black box system according to the present invention. FIG.

As shown in FIGS. 2 to 6, the unmanned airplane black box system according to the present invention encrypts and stores the flight data of the UAV 100, and real-time backs up the data to the management server 200, An unmanned airplane 100 and a management server 200 so as to efficiently provide survey management.

The UAV 100 stores the flight data extracted by the sensor unit 110 and the image data captured by the camera 120 during the flight and transmits the flight and image data to the management server 200, A camera 120, a controller 130, a black box 140, a motor driver 150, and a data communication unit 160. The camera 110 includes a camera 110, a camera 120, a controller 130, a black box 140,

The sensor unit 1110 detects operation information that is operated during flight of the UAV 100 and environmental information around the UAV 100. The sensor unit 1110 includes a gyro sensor capable of detecting the attitude of the gas, An acceleration sensor capable of detecting an acceleration value of the object, an altitude sensor capable of detecting the height of the object, a GPS sensor capable of detecting the position and flight direction of the object, And a wind sensor capable of detecting wind direction (wind direction) and the like.

That is, the sensor unit 110 receives the pressure altitude 111, the gas attitude 112, the indicated waiting speed 113, the normal And extracts the flight data such as the acceleration 114, the longitudinal acceleration 115, the lateral acceleration 116, the GPS data 117, the wind speed 118, and the wind direction 119 and transmits them to the controller 130 .

The camera 120 outputs image data photographed around the UAV 100 and is made up of a camera using a CCD sensor or a CMOS sensor. However, the present invention is not limited to this, and an optical signal may be converted into an electric signal and output The photoelectric conversion device may be acceptable.

The controller 130 controls the overall operation of the UAV 100. The controller 130 controls the operation of the motor driver 150 according to the control signal of the operator received through the data communication unit 160, So that it can fly in an arbitrary direction.

Also, the controller 130 records a log of signal values controlled by the operator in an internal memory (not shown) or a black box 140 and stores the log.

The control unit 130 may control the pressure level 111, the gas attitude 112, the indication waiting speed 113, the normal acceleration 114, the longitudinal acceleration 115, Directional acceleration 116, GPS data 117 such as GPS coordinates, wind speed 118, wind direction 119 and the like in the memory or black box 140 and stores the data.

In addition, the control unit 130 stores the image data captured by the camera 120 in the black box 140 in real time, preferably, the image data is compressed and stored in a predetermined format.

The control unit 130 converts the flight data and the image data stored in the memory or the black box 140 into an encryption signal of a predetermined format and controls the transmission data to be transmitted to the management server 200 on the ground in real time as telemetry data, So that the security can be improved during data transmission and reception.

Also, the controller 130 may request to transmit the flight data and the image data without encrypting the flight data and the image data.

The black box 140 stores the flight data extracted from the sensor unit 110, the image data photographed by the camera 120, and the log data of the operator's control signal according to a preset storage format together with time information .

The motor driving unit 150 is driven according to an operation control signal of the controller 130 to provide a driving force so that the UAV 100 can fly in an arbitrary direction.

The data communication unit 160 converts the flight data and the image data stored in the memory or the black box 140 into an encryption signal of a predetermined format according to an operation control signal of the control unit 130 and transmits the encryption signal to the management server 200 of the ground control system And transmits the encrypted flight data and image data using RF (Radio Frequency) data communication and LTE (Long Term Evolution) data communication, and preferably uses LTE data communication.

The encryption signal is composed of a communication signal encrypted with a certificate authenticated beforehand between the unmanned airplane 100 and the management server 200 by SSL (Secure Socket Layer).

In addition, the data communication unit 160 can be configured to independently transmit data by being divided into a communication module for transmitting flight data and a communication module for transmitting image data.

The management server 200 is a ground management system for receiving and backing up encrypted flight data and image data or non-encrypted flight data and image data transmitted from the UAV 100, and the management server 200 ) Receives and stores telemetry data transmitted during the flight of the UAV 100 in real time and includes a data communication unit 210, a flight data management unit 220, and a database 230 do.

The data communication unit 210 receives the flight data and image data transmitted from the UAV 100 and demodulates the encrypted signal.

The flight data management unit 220 stores the flight data and the image data transmitted from the UAV 100 in real time in the database 230. The flight data management unit 220 preferably includes a flight data analysis system Data Analysis System (FDAS).

The flight data analysis system encrypts and stores the data in a secure proxy manner according to the compliance requirements for the data in order to block internal or external security threats.

In addition, the flight data management unit 220 interlocks with the real-time data processing apparatus and stores the received data in the database 230 in real time.

In addition, the flight data management unit 220 may be connected to any predetermined web site (portal site, embedded site, etc.) through a network so as to facilitate data analysis, Information on the unmanned airplane 100, and performs various data analysis in which the further searched information is reflected. Thus, it is possible to easily analyze various flight situations occurring in the UAV 100 during the flight.

The database 230 stores flight data and image data transmitted from the UAV 100.

The operation of the unmanned aerial vehicle black box system according to the present invention will now be described.

When the unmanned airplane 100 starts flying according to the management server 200 or the preset flight information, it extracts the flight data detected through the sensor unit 110 (S100), and the extracted flight data is transmitted to the unmanned airplane 100 in the memory (S110).

Also, the image data photographed through the camera 120 is extracted (S120), compressed according to a compression format preset in the memory, and stored (S130).

The flight data and the image data stored in steps S110 and S130 are modulated into an encryption signal preset in the UAV 100 and then transmitted to the management server 200 in real time (S140).

The flight data and image data transmitted to the management server 200 are demodulated and then encrypted by a secure proxy method in accordance with the compliance requirements for the data in order to prevent internal or external security threats And stored in the database 230 (S150) so as to be backed up.

Therefore, the flight data of the UAV can be encrypted, sent and received with the storage and ground control system, and backed up to the server in real time, thereby efficiently providing safety management and accident investigation management of the UAV and encrypting the flight data It is possible to provide the integrity and confidentiality of the information and to acquire and analyze the flight data backed up to the server even if the black box of the unmanned airplane is broken. In case of an accident such as a fall, GPS data received from the unmanned airplane The position of the crash point can be confirmed using the last flight data.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It can be understood that

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. May be exaggerated for clarity and convenience of explanation, and the above-mentioned terms are terms defined in consideration of functions in the present invention, and this may vary depending on the intention or custom of the user, the operator, and the interpretation Should be based on the contents of the present specification.

100: Unmanned aerial vehicle 110: Sensor unit
111: Pressure altitude 112: Gas attitude
113: indicated waiting speed 114: normal acceleration
115: longitudinal acceleration 116: lateral acceleration
117: GPS data 118: Wind speed
119: wind direction 120: camera
130: control unit 140: black box
150: motor driving unit 160: data communication unit
200: management server 210: data communication unit
220: flight data management unit 230: database

Claims (3)

During flight, flight data including the position of the gas, the acceleration of the gas, the height of the gas, the pressure altitude, the indicated airspeed, the normal acceleration, the longitudinal acceleration, the lateral acceleration, the GPS data, A sensor 120, a camera 120 for photographing the periphery of the UAV 100 and outputting the captured image data as image data, a control unit 130 for controlling to fly according to the control signal of the operator, The control unit 140 causes the black box 140 to store the flight data detected by the sensor unit 110 and the surrounding image data captured by the camera 120, A control unit 130 for converting the encrypted data into a cipher signal in a predetermined format and transmitting the cipher signal to the management server 200 as real time telemetry data, A black box 140 for storing the peripheral image data photographed by the control unit 130 and the log data of the operator's control signal according to a predetermined storage format together with time information; A motor driver 150 for providing a driving force for allowing the driver 100 to fly in an arbitrary direction, and a control unit 130 for controlling the control unit 130 to transmit the flight data and the image data stored in the black box 140 to the SSL A communication module for transmitting the flight data, and a communication module for transmitting image data. The management server 200 is connected to the management server 200, An unmanned air vehicle 100 having a data communication unit 160 for transmitting data independently; And
And a management server (200) for receiving and backing up encrypted flight data and image data transmitted from the UAV (100)
Wherein the management server (200) performs an information search for analyzing flight data for analysis of a flight situation occurring in an unmanned airplane during flight, and analyzes the flight data by reflecting the searched information. Box system. The method according to claim 1,
The UAV 100 and the management server 200 transmit and receive the encrypted flight data and the image data using at least one of RF (Radio Frequency) data communication and LTE (Long Term Evolution) data communication Unmanned aircraft black box system. The method according to claim 1,
The management server 200 is a flight data analysis system (FDAS), which receives telemetry data transmitted during the flight of the UAV 100 in real time and detects internal or external security threats Wherein the data is encrypted and stored in a secure proxy manner in accordance with the compliance requirements of the data to block the unauthorized aircraft black box system.

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