KR20160032735A - Method for manageing block using drone - Google Patents

Method for manageing block using drone Download PDF

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Publication number
KR20160032735A
KR20160032735A KR1020140122447A KR20140122447A KR20160032735A KR 20160032735 A KR20160032735 A KR 20160032735A KR 1020140122447 A KR1020140122447 A KR 1020140122447A KR 20140122447 A KR20140122447 A KR 20140122447A KR 20160032735 A KR20160032735 A KR 20160032735A
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image
block
management information
block management
information image
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KR1020140122447A
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Korean (ko)
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이길종
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현대중공업 주식회사
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/04—Manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30—Computing systems specially adapted for manufacturing

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Abstract

A block managing method using an unmanned airplane is disclosed. The block managing method using an unmanned airplane according to the present invention comprises: a step (S10) in which blocks which are placed in a yard are photographed in the air by using an unmanned airplane to obtain an image of the blocks; a step and (S20) in which the shapes of the blocks are extracted from the obtained image to generate block images, and the positions are extracted from the obtained image to calculate display positions of the block images; a step (S30) in which the block images are displayed based on the display positions on a map image, which is inputted in advance, such that a block management information image is generated; and a step (S80) in which the generated block management information image is displayed on a screen. According to the present invention, the positions and movement of blocks can be effectively managed without requiring a worker to measure a working area in person and note down the measured result with hands.

Description

METHOD FOR MANAGING BLOCK USING DRONE [0002]

The present invention relates to a block management method using an unmanned airplane, and more particularly, to a location display apparatus and a method for displaying a location thereof using an unmanned aerial vehicle for managing a block mounted on a yard in a ship drying process.

One ship usually consists of several to dozens of blocks, and since shipyards usually dry multiple ships at the same time, the number of blocks placed in the entire shipyard is several tens to several hundreds. Particularly, in case of blocks in the assembly process, since the operation is performed from the time when the abacus is disposed to the time when the assembling process is completed to the next process, the block is placed in a restricted workplace called a hinged factory. Is very important.

To accomplish this, the manager of the assembly process refers to the block removal plan and the goods receipt plan before the actual work is performed, arranges the blocks in advance, and establishes the production plan to distribute the worker personnel accordingly. Determine whether the actual work has been performed, and then re-plan it according to the changed situation in an unexpected situation and distribute the production resources to the right place.

The placement of the block is done by placing the block in a virtual workplace where the current status information of the workplace is expressed, and is performed once a day, depending on the situation. In order to perform the above tasks, the manager periodically grasps the status of the blocks being produced. The identification of the current status of the block is performed by the administrator manually observing the workplace, recording it with a handwriting, and then manually computerizing it

The background art of the present invention is disclosed in Korean Registered Patent No. 10-1021521 (Registered Mar. 4, 2011, entitled "Block Arrangement on the Front of Ship Drying Workshop").

An object of the present invention is to provide a block management method using an unmanned aerial vehicle that enables an operator to efficiently manage a block position and a moving situation without having to observe a workplace with the naked eye and record it manually.

According to the present invention, there is provided a method for managing a block using an unmanned aerial vehicle, comprising the steps of: (a) capturing an image of a block mounted on a yard in an up- (b) extracting a shape of a block from the acquired image to generate a block image, extracting a position of the block from the obtained image, and calculating a display position of the block image; (c) generating a block management information image by displaying the block image according to the display position on a previously inputted map image; And (d) displaying the generated block management information image on a screen.

The step (a) further includes the steps of: setting a photographing area; Moving the unmanned aerial vehicle to the shooting area; Capturing an image of a block placed in a yard in the photographing area, and recording a position of the obtained image; And collecting the acquired image.

The step (b) may further include the steps of: generating a captured image of the shooting region by combining the collected plurality of images according to positions of the recorded images; Extracting a shape of a block from the photographed image to generate the block image; And extracting a position of the block from the captured image and calculating the display position.

The step (c) may further comprise: inputting the map image; Designating a position at which the block image is to be displayed on the map image according to the display position; And generating the block management information image by displaying the block image at a designated position of the map image.

The present invention also relates to a method of storing a block management information image, the method comprising: storing a generated block management information image; Comparing the newly generated block management information image with a previously stored block management information image; Detecting a block different from a previously stored block management information image in a newly generated block management information image; And displaying information of the detected block on the newly generated block management information image.

According to the block management method using the UAV of the present invention, it is possible to efficiently manage the blocks by easily grasping the block position and the moving situation without the operator having to observe the work site with the naked eye and record it manually.

In addition, the present invention can reduce the number of workers to manage the yard where the block is placed, as well as reduce the equipment holding cost compared to a method in which an operator visually observes a workplace using expensive measuring equipment, The cost can be reduced.

1 is a block diagram schematically illustrating a configuration of an apparatus used in a block management method using an unmanned aerial vehicle according to an embodiment of the present invention.
2 is a flowchart illustrating a block management method using an unmanned aerial vehicle according to an embodiment of the present invention.
3 is a flowchart showing the process of step (a).
4 is a flowchart showing the process of step (b).
5 is a flow chart showing the process of step (c).

Hereinafter, an embodiment of a block management method using an unmanned aerial vehicle according to the present invention will be described with reference to the accompanying drawings. For convenience of explanation, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a block diagram schematically showing a configuration of a device used in a block management method using an unmanned aerial vehicle according to an embodiment of the present invention. FIG. 2 is a block management method using an unmanned aerial vehicle Fig. 3 is a flowchart showing the process of step (a), FIG. 4 is a flowchart showing a process of step (b), and FIG. 5 is a flowchart showing a process of step (c).

Referring to FIGS. 1 and 2, in order to track and manage the position and movement of a block according to the block management method using an unmanned aerial vehicle according to an embodiment of the present invention, first, And images are acquired for the blocks in the yard and yard (S10).

Referring to FIGS. 1 and 3, in order to photograph a block mounted on a yard using the UAV 10, a shooting area is set on a map image prepared in advance (S11). The unmanned aircraft 10 may be an unmanned helicopter, an unmanned airship, or an unmanned multi-copter.

Then, the information about the shooting area set in this manner is transmitted to the aviation control unit 20 which controls the operation of the UAV 10. The aviation control unit 20 sets the flying area of the unmanned airplane 10 based on the received information about the shooting area and controls the flying operation of the unmanned airplane 10 based on the set flying area, (S13).

Accordingly, the unmanned airplane 10 moves to the photographing area to fly over the photographing area. At this time, the camera 11 installed on the unmanned airplane 10 photographs the photographing area.

That is, the camera 11 is flying over the shooting area by the unmanned airplane 10, capturing an image of a block placed on the yard in the shooting area and acquiring an image, The installed position sensing sensor 13 senses the position of the image obtained by the camera 11, and information about the position of the sensed image is recorded together with the sensed image (S15).

The above process is repeated until an image of the entire shooting region is obtained, and the information about the positions of a plurality of images and images recorded by repeated shooting is read from a storage medium (not shown) installed on the unmanned air vehicle 10 15) (S17).

The information about the position of the image and the image thus collected can be transmitted to the image processing device 30 on the ground via the wireless data transmission device 17 (S19).

1 and 2, the image processing apparatus 30 extracts the shape of the block from the acquired image, and outputs the shape of the block to the block An image is generated, and the position of the block is extracted from the obtained image to calculate the display position of the block image (S20). More specifically,

When the information about the position of the captured image and the image is transmitted to the image processing apparatus 30 on the ground through the short-range wireless communication network or the like, the image processing apparatus 30 performs the following operations.

First, as shown in FIG. 1 and FIG. 4, a plurality of images are combined according to positions of recorded images to generate a captured image of the shooting region (S21). The generation of the photographed image may be performed by arranging the collected plurality of images according to the positions of the recorded images, and resizing each size of the arranged images according to the reference accumulation.

When the photographed image is generated as described above, the shape of the block is extracted from the generated photographed image to generate a block image (S23). The generation of the block image can be performed by tracking the boundary of the region having a constant brightness value in the captured image to obtain the ordered information of the boundary pixels.

By generating the block image in this manner, the shape of the block can be accurately extracted and generated as a block image regardless of the skill of the operator, and the shape of the large block having a size difficult to be visually recognized by the operator can be accurately extracted, Can be generated.

At the same time, the position of the block is extracted from the shot image and the display position is calculated (S25). The display position is calculated by extracting the position of the block image generated from the photographed image in the form of coordinates, and based on the position information of the block image from which the position is extracted, the position at which the block image is displayed on the map image In a coordinate form in the map image.

When the block image generation and display position calculation are completed as described above, a block management information image is generated by displaying a block image according to the display position on the pre-input map image, as shown in FIGS. 1 and 2 (S30) .

First, as shown in FIGS. 1 and 5, a map image is input to the image processing apparatus 30 (S31). Then, a position where each block image is to be displayed is designated in the map image according to the display position of the block image calculated in the previous step (S33). This position specification can be performed by searching for and specifying the coordinates on the map image corresponding to the display position calculated in the coordinate form.

If a block image is to be displayed on the map image, the block image is displayed at a designated position of the map image to generate a block management information image (S35). In the present embodiment, the block management image is a block management image in which a plurality of block images are displayed at corresponding positions on a map image showing a yard on which a block is placed and its surrounding features, It is illustrated as an image that is generated to provide information.

The generated block management information image is stored in the image processing apparatus 30 (S40), as shown in FIGS. 1 and 2. Screen so that the operator can visually recognize it (S80).

The generation of the block management information image as described above may be repeated in a predetermined cycle or may be performed at any time as needed, for example, when a large number of blocks are moved at a time. The block management information images generated in this manner are sequentially stored and recorded in the image processing apparatus 30, and information on generation, movement, and the like of each cycle or block can be provided to the worker.

At this time, the following process may be added to display information on the creation, movement, and the like of the block in the newly generated block management information image.

To do this, first, the newly generated block management information image is compared with the previously stored block management information image (S50). Here, the object to be compared with the newly generated block management information image is preferably the block management information image generated in the immediately preceding rotation, but the present invention is not limited thereto.

Then, a block marked differently from the previously stored block management information image in the newly generated block management image is detected (S60). This process may be performed by detecting a block image displayed differently from the block image displayed in the block management information image to be compared among the block images displayed in the newly generated block management image.

When the detection of the block is completed as described above, the information of the detected block is displayed on the newly generated block management information image (S70). The information display of the detected block may be such that the color of the detected block image is made different from the color of the surrounding block image or the moving path of the detected block image is displayed on the block management information image.

The block management information image generated as described above is sequentially updated in the image processing apparatus 30 to update updated information about generation, movement status, and the like of each cycle or block, and previous information that can be browsed for reference And can be effectively provided to the operator.

According to the block management method using the UAV of this embodiment, the operator can easily manage the block by easily grasping the block position and the moving situation without having to observe the workplace with the naked eye and record it manually. .

In addition, according to the block management method using the UAV of the present embodiment, in addition to a method in which an operator visually observes a workplace using expensive measuring equipment, the cost for holding the equipment is small, It is possible to reduce the number of workers and reduce the cost of block management.

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. I will understand. Accordingly, the true scope of protection of the present invention should be defined by the following claims.

10: unmanned aircraft 11: camera
13: Position sensor 15: Storage medium
20: air control unit 30: image processing device

Claims (5)

(a) acquiring an image by photographing a block in a yard using an unmanned airplane in a sky above;
(b) extracting a shape of a block from the obtained image to generate a block image, extracting a position of the block from the obtained image, and calculating a display position of the block image;
(c) generating a block management information image by displaying the block image according to the display position on a previously inputted map image; And
(d) displaying the created block management information image on a screen.
The method of claim 1, wherein (a)
Setting an imaging area;
Moving the unmanned aerial vehicle to the shooting area;
Capturing an image of a block placed in a yard in the photographing area, and recording a position of the obtained image; And
And collecting the acquired image. The method of claim 1,
The method of claim 1, wherein the step (b)
Generating a photographed image of the photographed region by combining the collected plurality of photographed images according to positions of the recorded images;
Extracting a shape of a block from the photographed image to generate the block image; And
And extracting a position of a block from the captured image and calculating the display position.
The method of claim 1, wherein the step (c)
Inputting the map image;
Designating a position at which the block image is to be displayed on the map image according to the display position; And
And generating the block management information image by displaying the block image at a designated position of the map image.
5. The method according to any one of claims 1 to 4,
Storing the generated block management information image;
Comparing the newly generated block management information image with a previously stored block management information image;
Detecting a block different from a previously stored block management information image in a newly generated block management information image; And
And displaying information of the detected block on a newly generated block management information image.
KR1020140122447A 2014-09-16 2014-09-16 Method for manageing block using drone KR20160032735A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108510585A (en) * 2018-04-04 2018-09-07 南京天地环境污染防治研究院 A kind of flyash backlog control method for establishing threedimensional model by unmanned plane shooting
CN114442646A (en) * 2020-11-06 2022-05-06 财团法人工业技术研究院 Unmanned aerial vehicle device and deployment method of unmanned aerial vehicle working area
KR20220075779A (en) * 2020-11-30 2022-06-08 주식회사 스카이시스 Block status management system and method of the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108510585A (en) * 2018-04-04 2018-09-07 南京天地环境污染防治研究院 A kind of flyash backlog control method for establishing threedimensional model by unmanned plane shooting
CN114442646A (en) * 2020-11-06 2022-05-06 财团法人工业技术研究院 Unmanned aerial vehicle device and deployment method of unmanned aerial vehicle working area
CN114442646B (en) * 2020-11-06 2024-01-26 财团法人工业技术研究院 Unmanned aerial vehicle device and deployment method of unmanned aerial vehicle working area
KR20220075779A (en) * 2020-11-30 2022-06-08 주식회사 스카이시스 Block status management system and method of the same

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