KR101828682B1 - 3 dimensional atmospheric environmental data processing system and visualization method using drone and ground based measurement network - Google Patents

Abstract

The present invention relates to a three-dimensional atmospheric environment data creation system and a visualization method. According to an aspect of the present invention, a mobile observation is performed using a dron at each point of a public space designated by a user in an arbitrary area of interest The user can collect fixed position and observation information at fixed observation points installed at arbitrary points of interest on the ground, and can collect the position information and observation information by time, and reanalyzes the observation data into a three-dimensional grid Can be provided on the display of the terminal in a visualized form, thereby providing environmental information in a stereoscopic manner.

Description

[0001] The present invention relates to a three-dimensional atmospheric environment data creation system and a visualization method using three-dimensional atmospheric environmental data processing system and visualization method using drone and ground based measurement network,

The present invention relates to a three-dimensional atmospheric environment data generation system and a visualization method, and more particularly, to a three-dimensional atmospheric environment data creation system and a visualization method using a dron and a ground observation network.

As a method for observing atmospheric environment information including atmospheric pollutants and meteorological elements, a point observation method using observation equipment and a remote observation method using a remote sensing technique are used at a plurality of ground observation points. Also, observations using aircraft or balloons may be used due to limitations of field observations.

However, according to the existing point observation method, there arises a problem that the operation and management cost of the observation equipment and observation method increases due to the restriction on the operation of the observation point and the limited application of the data processing method, There is a restriction to obtain only the results of the atmospheric environment information.

Atmospheric observations using only the sensors on the unmanned aerial vehicle including the drone provide observation information by the flight time path of the drones. However, if the observation target area is a complicated terrain with mixed artificial structures, or if the spatial resolution of observation data is required to be high The availability of data may be limited.

Disclosure of Invention Technical Problem [8] The present invention provides a three-dimensional atmospheric environment data creation system and a visualization method that can simultaneously use fixed observation and moving observation in an economical and efficient aspect.

In addition, the present invention provides a three-dimensional atmospheric environment data creation system and a visualization method capable of calculating more detailed atmospheric environment information using stereoscopic observation means and providing information focused on user convenience This is the task to be done.

According to an aspect of the present invention, there is provided an environment information collection sensor and a GPS sensor for observing environmental information of a region of interest in three-dimensional (x, y, z) An environmental information detection unit that is fixedly disposed on the horn drones and the area of interest and includes at least one ground observation network on which environmental information collection sensors are mounted; (X, y, z), time (t), observation data analysis unit for storing the digital data in the form of observation data per environmental element, and observation data analysis unit (X, y, z) of the digital data stored on the display, on the display.

According to still another aspect of the present invention, there is provided a drones equipped with an environmental information collection sensor and a GPS sensor, and environmental information of a region of interest through one or more ground observation networks fixedly disposed in an area of interest, (X, y, z), and the environmental information of each location in the area of interest transmitted from the environmental information collection sensor of the drones and the ground observation network, (X, y, z), time (t), observation data for storing as digital data in the form of observation data per environmental element, and digital data stored in the observation information analysis unit, y, z) of the three-dimensional atmospheric environment data.

As described above, the three-dimensional air environment data generation system and the visualization method according to the present invention have the following effects.

In order to provide stereoscopic environmental observation information in an arbitrary region to be observed, a drones for mobile observation and a ground observation network for fixed observation are used. Specifically, moving observations are performed using drones at each point of the user's designated air in an area of interest, and at the same time, fixed observations are simultaneously performed at a fixed observation point installed at an arbitrary point of interest on the ground The location information and the observation information can be collected by time, and the result of the reanalysis of the observation data into the three-dimensional mesh network can be visualized on the display of the terminal, thereby providing environment information in a three-dimensional manner.

Particularly, after acquiring the atmospheric environment information by using the three-dimensional observation method including the drone and the additional ground observation means in an arbitrary spatial region of interest of the user, the validity of the observation data is checked and standardized, It is possible to generate stereoscopic image data related to the atmospheric environment information in the space, and to provide the atmospheric environment information data at the local scale.

1 is a block diagram illustrating a three-dimensional atmospheric environment data generation system according to an embodiment of the present invention.
2 is a view showing the environment information detection unit shown in FIG.
FIG. 3 is a flowchart illustrating a method of visualizing a three-dimensional atmospheric environment data according to an embodiment of the present invention.
FIG. 4 is a diagram illustrating a method of obtaining data at a grid point.
5 is a view showing a drones and a terminal.
6 is a result of the detection result of the gas detection sensor on the terminal screen.
FIG. 7 shows the results of the analysis of the fine dust concentration obtained from the ground observation data and the drone observation data in an arbitrary area in a three-dimensional space.
FIG. 8 is a result of expressing the result of the grating process on Google Earth.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a three-dimensional atmospheric environment data generation system and a visualization method according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In addition, the same or corresponding reference numerals are given to the same or corresponding reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. For convenience of explanation, the size and shape of each constituent member shown in the drawings are exaggerated or reduced .

FIG. 1 is a diagram illustrating a three-dimensional atmospheric environment data generation system 100 according to an embodiment of the present invention, and FIG. 2 is a diagram illustrating an environment information detection unit 110 shown in FIG.

Referring to FIG. 1, a three-dimensional atmospheric environment data generation system 100 (hereinafter also referred to as a "system") according to an embodiment of the present invention includes an environment information detection unit 110, an observation information analysis unit 130, And an environment information visualization unit 140. The observation information analysis unit 130 and the environment information visualization unit 140 may be implemented through a single terminal 120 (e.g., a notebook computer, a smartphone, or a PDA) Or two or more terminals connected to each other. Also, the terminal 120 and the environment information detection unit 110 are wirelessly communicable.

Referring to FIG. 2, the environment information detection unit 110 includes a dron 111 and at least one ground observation network 112. Specifically, the environmental information detection unit 110 includes an environmental information collection sensor for observing environmental information of a region of interest in three-dimensional (x, y, z) positions along a movement route, and a dron 111 equipped with a GPS sensor. And one or more ground observation networks 112 fixedly disposed in the area of interest and equipped with environmental information collection sensors.

In this document, 'environmental information' refers to the concentration of fine dust, particle size distribution, optical characteristics, and various gas components (SO2, NO2, CO, O3, CH4, VOC, etc.) Concentration, and various weather elements (temperature, air pressure, humidity, etc.), and the environmental information collection sensor may include at least one of a position on a three-dimensional space, observation time, a density of fine dust, a particle size distribution, Concentration, temperature, air pressure, and humidity.

Also, the observation information analysis unit 130 extracts the position (x, y, y, z) of the spatial position in the same time zone from the environment observation information of each location of the interested region transmitted from the drone and the environmental information collection sensor of the one or more ground- z), time (t), and observation data for each environmental element.

Also, the observation information analysis unit 130 simultaneously uses the mobile observation result through the drones 111 and the fixed observation results through the at least one ground observation network 112. In addition, the observation information analyzing unit 130 can standardize and store the position (x, y, z), time, and the format of observation data per environmental element in the space of the same time zone in a 3D grid network format. The observation information analyzing unit 130 may check validity of the environmental information observation values (e.g., primitive data) measured in the drone 111 and the terrestrial observation network 112 Whether the data is in the database. For example, the observation information analysis unit 130 may be provided so that the user can check the data validity of each location sensor on the terminal 120.

In addition, the observation information analysis unit 130 may calculate the observation data at a grid point having a uniform spatial distribution through interpolation or extrapolation in a three-dimensional space, It may be provided to deform.

Also, the environment information visualization unit 130 is configured to display the digital data stored in the observation information analysis unit in three dimensions (x, y, z) on the display.

3 is a flowchart illustrating a method for visualizing a three-dimensional atmospheric environment data according to an embodiment of the present invention.

Referring to FIG. 3, a method for visualizing a three-dimensional atmospheric environment data (hereinafter also referred to as a 'visualization method') includes an environmental information detection step S101, an observation information analysis step S102, and an environmental information visualization step S103 do. Specifically, the visualization method is a drones equipped with an environmental information collection sensor and a GPS sensor, and is fixedly disposed in a region of interest. The environmental information of the region of interest is three-dimensionally (x, y, z), and the environmental information of each location in the interest area transmitted from the environmental information collecting sensor of the drone and the ground observation network, y, z), time (t), observational information analysis step for storing as digital data in the form of observation data per environment element, and digital data stored in the observation information analysis unit on the display in three dimensions (x, And an environmental information visualization step for displaying the environmental information.

In addition, the environment information detection unit 110 observes environment information desired by the user through the local information range sensor of the drone 111 and the ground observation network 112 at the ground observation point The location information of the drone 111 and the terrestrial observation network 112 may be stored in the internal memory or transmitted to the terminal 120 in real time. In addition, it is preferable that the observation point of the terrestrial observation network 112 performs observation at a point where it is easy to acquire the location information of the road fixture or the roof, corner, etc. of the building in the area of interest. In addition, the drone 111 determines a flight path in advance by determining a point on the three-dimensional space of the air of interest, and performs environmental information observation during flight.

The environment information observed in the drone 111 and the terrestrial observation network 112 is stored in the memory card of the detection unit 110 or transmitted to the observation information analysis unit 130 through the wireless communication method, Location information and environmental information according to the time taken by each sensor can be provided for each site. The observation information analysis unit 130 may perform validation of observation data of each point (existence of observation data and data within the observation range of the sensor). The observation information analyzing unit 130 analyzes an observation environment of the drone 111 and the ground observation network 112 using the observation environment information, (X, y, z) and time (t) in the form of observation data (f (x, y, z, t) Save it to media.

FIG. 4 is a diagram illustrating a method of obtaining data at a grid point.

)으로 변형되며, 변형된 자료는 3차원 배열 형태를 가질 수 있다.The observation information analyzer 130 performs a lattice process for allowing the standardized data to be stereoscopically displayed on the display of the terminal 120 of the visualization unit 140. [ Referring to FIG. 4, observation data (f (i, j, k, t)) of an environmental element at an arbitrary point are interpolated or extrapolated in a three-dimensional space as shown in the following general formula 1, The value at the lattice point having the distribution (

), And the modified data may have a three-dimensional array form.

[Formula 1]

In the general formula 1, the transformation process to the lattice can be performed by, for example, changing the observation value V (i, j) in the coordinate system on the adjacent three-dimensional coordinate system as shown in [Formula 2], [Formula 3] j, k)) can be used.

[Formula 2]

[Formula 3]

[Formula 4]

In particular, Fig. 4 shows a graph of the lattice mismatch (lattice mismatch) from the observation data S210 consisting of the ground observation network 112 (see Fig. 1) and the drones 111 (S220) at the point where it is located. The generated 3D array data is used as the input data of the software for visualization.

FIG. 5 is a view showing the drone 111 and the terminal 120, and FIG. 6 is a result of the detection result of the gas detection sensor on the terminal screen.

Referring to FIG. 5, a dron 111 is equipped with a gas sensor and a wireless communication unit for wireless communication between the terminal 120 and the terminal 120, respectively. In addition, the terminal 120 can receive real-time wireless transmission of sensor data of the drones 111 and the ground observation network. In the present embodiment, the terminal 120 may sequentially display the concentration values of the gas according to time.

FIG. 6 shows a terminal 120 for displaying and storing digital data detected by each sensor in real time as a result of the detection result of each gas detection sensor described in FIG. 5 on the screen of the terminal 120 through the wireless communication unit, And the screen is displayed on the display of FIG.

FIG. 7 shows the results of the analysis of the fine dust concentration obtained from the ground observation data and the drone observation data in an arbitrary area in a three-dimensional space. As described above, a lattice process is performed so that stereoscopic expression is possible. The data processing for the latticeization can be performed through a programming language such as FORTRAN, C, or an Interface Definition Language (IDL), which is an interface definition language. The result of visualization is a keyhole markup language (KML) used in Google Earth ) Format. For example, FIG. 8 shows the results of the gridding process on Google Earth. In particular, the visualization method can be implemented in a form of a computer-readable recording medium in which a program for executing the visualization method can be modified.

The foregoing description of the preferred embodiments of the present invention has been presented for purposes of illustration and various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention, And additions should be considered as falling within the scope of the following claims.

100: 3D Atmosphere Data Creation System
110: environmental information detection unit
120: terminal
130: observation information analysis section
140: Environment information visualization part

Claims (6)

The drones equipped with environmental information collection sensor and GPS sensor for observing the environmental information of the interested area along the movement route by three-dimensional (x, y, z) positions, and the environment information collection sensor An environmental information detection unit including at least one ground observation network installed;
(X, y, z), time (t), and environmental element observation data from the environment observation information of each location of the interest area transmitted from the environment information collecting sensor of the dron and the ground observation network An observation information analysis unit for storing digital data in the form of; And
And an environment information visualization unit for displaying the digital data stored in the observation information analysis unit in three dimensions (x, y, z) on the display,
The observation information analyzing unit uses the result of the mobile observation through the drone and the observation result fixed through the ground observation network at the same time,
The observation information analyzing unit standardizes and stores the spatial location (x, y, z), time (t), and the format of observation data per environmental element in the form of a grid network in the same time zone,
Wherein the observation information analyzing unit is configured to transform observation data for each position in an arbitrary space into a value at a lattice point having a uniform spatial distribution through interpolation or extrapolation in a three-
The environmental information collection sensor is configured to collect environmental information including at least one of a position on a three-dimensional space, an observation time, a concentration of fine dust, a particle size distribution, an optical property value, a concentration of various gas components, a temperature, , 3 - D ambient data generation system.

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