KR20190109650A - Apparatus and method for supporting search on disaster site - Google Patents

Abstract

Disclosed are an apparatus for supporting search and a method thereof. The apparatus for supporting search may provide a safe search work environment by including a position measurement unit, a calculation unit, a determination unit, an alarm unit, and a communication unit and preventing a situation where a specific rescuer leaves a region or isolates in the region when rescuers search a life outside. In addition, the apparatus may provide an efficient search work environment by preventing duplicate search in the same region when the plurality of rescuers search the life.

Description

Apparatus and method for search at disaster site {APPARATUS AND METHOD FOR SUPPORTING SEARCH ON DISASTER SITE}

The present invention relates to a search support apparatus and method at a disaster site, and more particularly, to a search support apparatus and method using three-dimensional position information.

In recent years, the frequency of disaster accidents occurring outdoors has increased significantly. Disaster accidents occurring in a wide range of outdoor areas, such as mountainous areas, can have a variety of risk factors depending on where the accident occurred. In addition, it is difficult for not only the rescue target but also the rescue workers to recognize the real-time location and movement route. Accordingly, there is a demand for research and development of a search assistance apparatus for disaster relief activities outside of the country.

In the related art, a device for obtaining location information by calculating a distance based on a fixed point or a search support device for recognizing a separation distance between rescuers using a Receive Signal Strength Indicator (RSSI) is provided. It is becoming.

However, the conventional search aid is provided in a two-dimensional form, there is a disadvantage that it is difficult to analyze the spatial information and the change over time for the individual positions of the rescuers.

An object of the present invention for solving the above problems is to provide a high reliability and high efficiency search support apparatus.

An object of the present invention for solving the above problems is to provide a high reliability and high efficiency search support method.

In accordance with an embodiment of the present invention for achieving the above object, a search assistance apparatus individually possessed by a plurality of rescuers performing a rescue activity includes: a position measuring unit measuring a position coordinate of each rescuer by a unit of time; At least one of a plurality of rescuers from a communication unit for sharing the time-based position coordinates with a search support device possessed by at least one other rescuer, a calculation unit for calculating analysis data from the shared time-dependent position coordinates; It includes a judging unit for determining whether one operation area has left.

Here, the calculator may calculate time-based relative distance data between the rescuers from the shared positional time coordinates as the analysis data.

In addition, the determination unit may compare the relative distance data measured at the same time, to determine the signs of departure of the operation area of at least one of the plurality of rescuers.

In this case, the calculation unit may calculate, as the analysis data, distributed data indicating a degree of dispersion between the plurality of rescuers from the shared positional coordinates for each time.

The determination unit may check the distributed data after a point in time at which at least one rescuer has left the operation zone departure indication is captured, and determine that the operation zone has been left when the distributed data exceeds a preset threshold.

In addition, the search assistance apparatus alerts when the determination unit detects that the at least one rescuer has left the operation area or the at least one rescuer who has detected the at least one rescue area has left the operation area. It may further include an alarm unit for generating a.

In this case, the search support apparatus may be provided as a smart helmet.

In accordance with an embodiment of the present invention for achieving the above object, a search assistance apparatus individually possessed by a plurality of rescuers performing rescue activities includes: A communication unit for sharing the time-based position coordinates with a search support apparatus possessed by at least one other rescuer, a calculation unit for calculating a search area for each time by reflecting viewing angle information inputted in each of the shared time-based position coordinates, and the calculated And a determination unit that analyzes search areas by time to determine whether to search for duplicates of the same area among a plurality of rescuers.

Here, the calculator calculates a visible distance ratio by reflecting environmental factors for each location in the shared time coordinates of each time, and calculates the hourly search area of each rescuer by reflecting the visible distance ratio in the viewing angle information. Can be.

The determination unit may coordinate the search areas for each time according to the location information of each rescuer, and determine whether to search for the same area with at least one other rescuer according to whether the overlapping area is generated.

The search support apparatus may further include an alarm unit that generates an alarm when a duplicate search occurs between a plurality of rescue workers by the determination unit.

In this case, the search support apparatus may be provided as a smart helmet.

According to an embodiment of the present invention, a search assistance method using a search assistance apparatus individually owned by a plurality of rescuers performing rescue activities includes: setting a condition value in the search assistance apparatus; Obtaining position coordinates of the rescuer using the support device, sharing the position coordinates with the plurality of rescuers, generating analysis data from the plurality of shared position coordinates, and generating the Determining from the analysis data whether at least one of the plurality of rescuers has left the operational area.

In this case, before the setting of the condition value, the method may further include synchronizing the times of the search assistance apparatuses individually carried by a plurality of rescue workers.

The generating of the analysis data may include calculating relative distance data between the plurality of rescuers from the shared position coordinates and calculating distribution data of the rescue team from the shared position coordinates. .

The search support method may further include determining whether to search for duplicates among the plurality of rescue workers from the analysis data.

The generating of the analysis data may further include calculating a search area between the plurality of rescuers from the shared position coordinates.

In this case, the search area may calculate the visible distance ratio by reflecting the environmental factors for each location in the shared positional time coordinates, and calculate the visible distance ratio by reflecting the visible distance ratio in the viewing angle information.

The condition value may include at least one of calculation time information of the analysis data, the viewing angle information, a threshold of the scattered data, or a threshold of the search area.

The method may further include generating an alarm when the operation area deviates and the duplicate search occurs.

The search support apparatus and method according to the embodiment of the present invention may include a position measuring unit, thereby providing a highly reliable search support apparatus and method in which three-dimensional position information of a rescuer is reflected.

In addition, the search support apparatus and method includes a position measuring unit, it is possible to provide a high-efficiency search support apparatus and method for preventing the isolation of rescue workers.

In addition, the search support apparatus and method is determined by the calculation unit and the determination unit to determine whether at least one of the rescue area of the rescue team within the rescue area, high-efficiency search support to prevent the rescuer from leaving the operation area in advance An apparatus and method can be provided.

In addition, the search support apparatus and method may provide a high-efficiency search support apparatus and method for determining a duplicate search of a plurality of rescue workers in the rescue team by the calculation unit and the determination unit.

In addition, the search support apparatus and method can provide a high-efficiency search support apparatus and method by enabling the communication unit to share information in real time between a plurality of rescue workers in the rescue team.

1 is a block diagram of a search support apparatus according to an embodiment of the present invention.
2 is a view showing the time-based three-dimensional position coordinates of a plurality of rescuers in the rescue team according to an embodiment of the present invention.
Figure 3 is a graph showing the time-based relative distance between the rescuers and the distribution team time-dependent distribution data according to an embodiment of the present invention.
Figure 4 is a graph showing the search area per hour of individual rescuers according to an embodiment of the present invention.
5 is a flowchart of a search support method according to an embodiment of the present invention.
6 is a flowchart of a step of generating analysis data in a search support method according to an embodiment of the present invention.
7 is a flowchart illustrating a step of determining whether the operation area leaves the search support method according to an embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, similar reference numerals are used for similar elements.

Terms such as first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. The term “and / or” includes any combination of a plurality of related items or any of a plurality of related items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, with reference to the accompanying drawings, it will be described in detail a preferred embodiment of the present invention. In the following description of the present invention, the same reference numerals are used for the same elements in the drawings and redundant descriptions of the same elements will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a search support apparatus according to an embodiment of the present invention.

Referring to FIG. 1, the search support apparatus may be a device supporting a rescue activity of a rescue team including a plurality of rescue workers. The search assistance device may be individually provided to a plurality of rescuers.

The plurality of search assistance devices provided to the plurality of rescuers may be synchronized. In addition, the plurality of search support apparatuses may set the same condition value. Accordingly, the plurality of search support apparatuses may share at least one data measured at the same time.

According to an embodiment, the search assistance device may be provided as a smart helmet. However, the search support apparatus is not limited to the above-mentioned embodiment, but may be provided in various terminal forms.

In more detail, the search support apparatus may include a position measuring unit 1000, a calculating unit 3000, a determining unit 5000, an alarm unit 7000, and a communication unit 9000.

The position measuring unit 1000 may measure three-dimensional individual position coordinates of the corresponding rescuer at predetermined time intervals t _i , t _{i + 1} ,..., T _{i + n} . According to an embodiment, the position measuring unit 1000 may be a global positioning system (GPS) module.

2 is a view showing the time-based three-dimensional position coordinates of a plurality of rescuers in the rescue team according to an embodiment of the present invention.

Referring to FIG. 2, the position measuring unit 1000 may share three-dimensional individual position coordinates measured by time by the communication unit 9000 to be described later with the plurality of rescuers f ₁ to f _n .

In addition, the position measuring unit 1000 may transmit the measured three-dimensional position coordinates of the rescuer to the calculation unit 3000 to be described later.

The conventional search support apparatus calculates relative distance data using two-dimensional position data when tracking positions among a plurality of rescue workers. However, since the two-dimensional position data does not reflect the altitude information of the terrain, the reliability in the relative distance data as the result data is deteriorated.

On the other hand, the search support apparatus according to an embodiment of the present invention can calculate the relative distance data reflecting the precise three-dimensional position information by obtaining and sharing the three-dimensional position coordinates of the rescuers individually. Thus, a highly reliable search support apparatus can be provided.

Referring back to FIG. 1, the calculator 3000 may analyze at least one three-dimensional position coordinate transmitted from the position measuring unit 1000.

In more detail, the calculator 3000 may include a first calculator 3100, a second calculator 3300, and a third calculator 3500.

The first calculator 3100 may receive three-dimensional position coordinates of the rescuers f ₁ to f _{n for a} predetermined time from the position measuring unit 1000.

The first calculator 3100 may calculate relative distance data between the members of the rescue team from the three-dimensional position coordinates received in predetermined time units. According to an embodiment, a first calculation unit 3100, the first nine trillion won (f ₁₎ and second structure daewon (f _2), the first relative distance data (l ₁₎ between the first nine trillion won (f ₁₎ and third structure daewon second relative distance data of (f ₃₎ (l ₂₎ and the second construction daewon (f ₂₎ and the third structure daewon (f ₃₎ 3 to calculate the relative distance data (l ₃₎ respectively between the Can be.

In this case, the calculated relative distance data l ₁ to l ₃ may have an absolute value.

Like the first calculator 3100 described above, the second calculator 3300 may receive three-dimensional position coordinates of the rescuers f ₁ to f _{n for a} predetermined time from the position measuring unit 1000.

The second calculator 3300 may calculate distributed data for each predetermined time of the rescue team from three-dimensional position coordinates received in predetermined time units. According to an embodiment, the distributed data may be data for calculating a minimum boundary area (MBA) covering the positions of all rescuers in the rescue team.

The third calculation unit 3500, like the first and second calculation units 3100 and 3300 described above, calculates three-dimensional position coordinates of the rescuers f ₁ to f _{n for a} predetermined time from the position measuring unit 1000. Can be received. In addition, the third calculator 3500 may receive the viewing angle information from the outside. According to the embodiment, the viewing angle information may be data averaged on the basis of age and gender, or may be measurement data specified for each rescuer.

The third calculator 3500 may calculate a search area for each rescuer. Here, the search area may be a searchable area for a predetermined time interval based on a point where at least one rescuer is located. According to an embodiment, the search area may be set by a rescuer using the search support apparatus.

More specifically, the search area may be calculated from the received three-dimensional position coordinates and the viewing angle information.

According to an embodiment, when calculating the search area, the third calculator 3500 may calculate a visible distance ratio in consideration of three-dimensional environmental factors at three-dimensional location coordinates of each rescuer. For example, the 3D environment factor may include weather, terrain information, and the like.

Thereafter, the third calculator 3500 may calculate the search area by reflecting the visible distance ratio and the viewing angle information.

The third calculator 3500 may calculate the search area at set time intervals.

 The determination unit 5000 may receive the relative distance and the dispersion data calculated from the calculator 3000.

The determination unit 5000 may determine whether at least one of the rescuers has left the operation area and whether the duplicate search is performed based on the received relative distance and distributed data.

According to an embodiment, the determination unit 5000 may be provided as a database management system (DBMS). Accordingly, the determination unit 5000 may perform temporal and spatial data processing on the position coordinates.

In more detail, the determination unit 5000 may include a first determination unit 5100, a second determination unit 5300, and a third determination unit 5500.

The first determination unit 5100 to the third determination unit 5500 will be described in more detail below with reference to FIGS. 3 and 4.

Figure 3 is a graph showing the time-based relative distance between the rescuers and the distribution team time-dependent distribution data according to an embodiment of the present invention.

Referring to FIG. 3, the first determination unit 5100 may determine an indication of an operation area departure of at least one of the corresponding rescuers or rescue team members.

Referring to FIG. 2 above, the first determination unit 5100 may detect an operation zone departure indication of at least one of the rescuers f ₁ to f ₃ based on the hourly relative distance data calculated by the first calculation unit 3100. You can judge.

According to an embodiment, when the first to third relative distances are analyzed at the second time point t _{i + 1} , the positions of the _first rescuers f ₁ are determined by the second and third rescuers f _2. And f ₃ ) can be seen away from the position. Accordingly, the first determination unit 5100 may determine an indication of departure of the first rescuer f ₁ .

The first determination unit 5100 may transmit a first signal to the alarm unit 7000, which will be described later, when an indication of departure of an operation area of at least one of the rescue workers f ₁ to f ₃ is detected.

The second determination unit 5300 may determine whether at least one of the rescuers f ₁ to f ₃ leaves the operation area based on the time-distributed data calculated by the second calculator 3300. More specifically, the second judging unit 5300 may determine whether at least one of the rescuers in the rescue team or rescue team members within the rescue team who has detected the departure zone of the operation zone from the first judging unit 5100 has left. Can be.

According to an embodiment, the second determination unit 500 is the second point in time (t _{i + 1)} the first nine trillion won if the exit sign of (f ₁₎ acquisition, the third time (t _{i + 2)} in the You can check the distributed data of the rescue team. In this case, when the distributed data exceeds a predetermined criterion, the second determination unit 500 may determine the departure of the operation area of the first rescuer f ₁ .

The second determination unit 5300 may transmit the first signal to the alarm unit 7000 to be described later when the departure of the operation area of at least one of the rescue workers f ₁ to f ₃ is determined.

Figure 4 is a graph showing the search area per hour of individual rescuers according to an embodiment of the present invention.

Referring to FIG. 4, the third determiner 5500 may coordinate the time-based search area of the rescuer calculated by the third calculator 3500. Thereafter, the third determination unit 5500 may determine whether to search for duplicates for the plurality of rescue workers.

In more detail, according to an embodiment, the third determination unit 5500 includes the second search area P ₂ and the third rescuer of the second rescuer f ₂ at the third time point t _{i + 2} . A coordinate screen and a duplicate area S _A of the third search area P ₃ of (f ₃ ) may be generated.

When the overlapping area S _A occurs, the third determination unit 5500 may transmit a third signal to the alarm unit 7000 to be described later. In this case, the third signal may transmit the third signal to the alarm unit 7000 to be described later to a plurality of rescuers having a search area.

Referring back to FIG. 1, the alarm unit 7000 may be an audiovisual module. Accordingly, when the alarm unit 7000 receives the first to third signals received from the determination unit 5000, the alarm unit 7000 may provide a warning signal.

The transmitting unit 9000 may provide a communication environment to the position measuring unit 1000, the calculating unit 3000, the determining unit 5000, and the alarm unit 7000. Accordingly, the components 1000, 3000, 5000, and 7000 may transmit and receive at least one data in both directions.

The configuration of the search support apparatus according to the embodiment of the present invention has been described above. Hereinafter, a search support method using the search support apparatus according to an embodiment of the present invention will be described.

5 is a flowchart of a search support method according to an embodiment of the present invention.

Referring to FIG. 5, the search support apparatus according to the embodiment of the present invention may synchronize time (S1000). According to an embodiment, as described above, the search support apparatus may be synchronized with the same time as the individual search support apparatuses of the plurality of rescue workers in the rescue team.

Thereafter, the search support apparatus may set a condition value (S2000). In this case, the condition value may include at least one of calculation time information of the analysis data, the viewing angle information, a threshold of the scattered data, or a threshold of the search area.

According to an embodiment, the condition value may be set by a corresponding rescuer or a rescue control team.

The search support apparatus may acquire three-dimensional position coordinates of the rescuer (S3000). According to an embodiment, the three-dimensional position coordinates may be received by the GPS module.

The search support apparatus may share the three-dimensional position coordinates with the plurality of rescue workers by the communication unit 9000 (S4000).

Thereafter, the search support apparatus may generate analysis data from the plurality of shared position coordinates (S5000). Generating the analysis data will be described in more detail with reference to FIG. 6.

6 is a flowchart of a step of generating analysis data in a search support method according to an embodiment of the present invention.

Referring to FIG. 6, the search support apparatus may analyze 3D location information shared from a plurality of rescue workers.

More specifically, the search support apparatus may calculate relative distance data for each rescuer (S5100). The relative distance data may be executed for each condition set by the user.

In addition, the search support apparatus may calculate time-distributed data (S5300). The distributed data may be data for calculating a minimum boundary area (MBA) covering the positions of all rescuers in the rescue team.

The search support apparatus may calculate an hourly search range (S5500). The search area may be a searchable area for a set time interval based on a point where at least one rescuer is located.

In more detail, the search area may calculate the visible distance ratio in consideration of the three-dimensional environmental factor at the received three-dimensional position coordinate point. For example, the 3D environment factor may include weather, terrain information, and the like.

Thereafter, the search support apparatus may calculate the search area by reflecting the visible distance ratio to the viewing angle information received from the outside.

Referring back to FIG. 5, it may be determined whether at least one of the plurality of rescuers leaves the operation area from the generated analysis data (S6000).

Determining whether the operation area has deviated will be described in more detail with reference to FIG. 7.

7 is a flowchart illustrating a step of determining whether the operation area leaves the search support method according to an embodiment of the present invention.

Referring to FIG. 7, the search support apparatus may receive the relative distance and variance data analyzed from the 3D location coordinates (S6100). Subsequently, based on the received data, it may be determined whether at least one of the rescuers has left the operation area.

In more detail, the search assistance apparatus may analyze the relative distance data individually received from the plurality of rescuers. Thereafter, at least one of the rescuers or rescue team members in the rescue team may determine the departure of the operation area (S6300).

Thereafter, the search support apparatus may check distributed data of the rescuers after at least one of the rescuers or the rescue team members in the rescue team has detected the departure of the operation area. In this case, when the distributed data exceeds the threshold set by the rescuers, departure from the operation area of at least one of the rescuers or the rescue teams in the rescue team may be determined (S6500).

If at least one of the rescuers is confirmed to be out of the operation area, the search assistance device may sound an alarm.

Referring back to FIG. 5, the search support apparatus may determine whether to search for overlap among the plurality of rescue workers (S7000). In more detail, the search support apparatus may receive search area data analyzed from three-dimensional position coordinates. Thereafter, the search support apparatus may coordinate the received plurality of search areas.

When at least one overlapping area S _A is generated among the plurality of coordinated search areas, the search assistance apparatus may determine the overlapping search among the plurality of rescuers. Thereafter, the search support device may sound an alarm.

In the above, the search support apparatus and method according to an embodiment of the present invention have been described. The search support apparatus and method includes a position measuring unit, a calculating unit, a determining unit, an alarm unit, and a communication unit, thereby preventing a situation in which a rescue team leaves and isolated a rescue team during an outdoor rescue activity of a rescue team. Can be provided.

In addition, the search support apparatus and method may provide an efficient search work environment by preventing duplicate search of the same area during a search activity among a plurality of rescue workers.

The operation of the method according to an embodiment of the present invention can be embodied as a computer readable program or code on a computer readable recording medium. Computer-readable recording media include all kinds of recording devices that store data that can be read by a computer system. The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable program or code is stored and executed in a distributed fashion.

In addition, the computer-readable recording medium may include a hardware device specifically configured to store and execute program instructions, such as a ROM, a RAM, a flash memory, and the like. Program instructions may include high-level language code that can be executed by a computer using an interpreter, as well as machine code such as produced by a compiler.

While some aspects of the invention have been described in the context of a device, it may also represent a description according to a corresponding method, wherein the block or device corresponds to a method step or a feature of the method step. Similarly, aspects described in the context of a method may also be indicated by the features of the corresponding block or item or corresponding device. Some or all of the method steps may be performed by (or using) a hardware device such as, for example, a microprocessor, a programmable computer, or an electronic circuit. In some embodiments, one or more of the most important method steps may be performed by such an apparatus.

In embodiments, a programmable logic device (eg, a field programmable gate array) may be used to perform some or all of the functionality of the methods described herein. In embodiments, the field programmable gate array may operate in conjunction with a microprocessor to perform one of the methods described herein. In general, the methods are preferably performed by any hardware apparatus.

Although it has been described above with reference to the preferred embodiment of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the invention described in the claims below. It will be appreciated.

1000: position measuring unit 3000: calculating unit
3100: first calculator 3300: second calculator
3500: third calculating unit 5000: determining unit
5100: first determination unit 5300: second determination unit
5500: third determination unit 7000: alarm unit
9000: Communications Department

Claims (20)

In a search assistance apparatus individually possessed by a plurality of rescuers performing rescue operations,
Position measuring unit for measuring the position coordinates of each rescuer by a predetermined time unit;
A communication unit for sharing the measured hourly position coordinates with a search support apparatus possessed by at least one other rescuer;
A calculator configured to calculate analytical data from the shared hourly position coordinates; And
And a determination unit for determining whether at least one of the plurality of rescuers is out of the operation area from the calculated analysis data. The method of claim 1,
The calculation unit
And a time-based relative distance data between the rescuers from the shared time-based position coordinates as the analysis data. The method of claim 2,
The determination unit
Searching apparatus for comparing the relative distance data measured at the same time, to determine the signs of departure of at least one of the plurality of rescuers. The method of claim 3, wherein
The calculation unit
A search support apparatus for calculating, as the analysis data, variance data representing a degree of variance between a plurality of rescue workers from the shared positional time coordinates. The method of claim 4, wherein
The determination unit
A search support apparatus for checking the distributed data after a point in time at which at least one rescuer has left the operation area deviation sign is captured, and determining that the operation area has been left when the distributed data exceeds a preset threshold. The method of claim 5,
And an alarm unit for generating an alarm when it is determined by the determination unit that at least one rescuer of the rescue area has been captured or determined that at least one rescuer who has detected an operation zone of departure has left the operation area. Search support device made. The method of claim 1,
Search support device provided by smart helmet. In a search assistance apparatus individually possessed by a plurality of rescuers performing rescue operations,
Position measuring unit for measuring the position coordinates of each rescuer by a predetermined time unit;
A communication unit for sharing the measured positional coordinates of the time with a search support apparatus possessed by at least one other rescue worker;
A calculator configured to calculate a search area for each hour by reflecting viewing angle information input in advance to each of the shared hourly position coordinates; And
And a determination unit which analyzes the calculated searched search areas by time and determines whether to search for duplicates of the same area among a plurality of rescue workers. The method of claim 8,
The calculation unit
A search support apparatus for calculating a visible distance ratio by reflecting environmental factors for each location in the shared time coordinates of each time, and calculating the hourly search area of each rescuer by reflecting the visible distance ratio in the viewing angle information. The method of claim 8,
The determination unit
Searching apparatus for coordinate the time-based search areas according to the location information of each rescuer, and determines whether or not to search for overlapping with the at least one other rescuer in the same area according to whether or not the overlapping area is generated. The method of claim 8,
And an alarm unit that generates an alarm when a duplicate search occurs between the plurality of rescue workers by the determination unit. The method of claim 8,
Search support device provided by smart helmet. In a search assistance method using a search support device individually carried by a plurality of rescuers performing rescue activities,
Setting a condition value on the search support apparatus;
Acquiring position coordinates of a corresponding rescuer using the search assistance apparatus;
Sharing the location coordinates with the plurality of rescuers;
Generating analysis data from the plurality of shared location coordinates; And
And determining from the generated analysis data whether at least one of the plurality of rescuers is out of the operational area. The method of claim 13,
And before the setting of the condition value, synchronizing the times of the search assistance apparatuses individually carried by a plurality of rescue workers. The method of claim 13,
Generating the analysis data
Calculating relative distance data between the plurality of rescuers from the shared position coordinates; And
Calculating distributed data of the rescue team from the shared position coordinates. The method of claim 13,
And determining whether to search for duplicates among the plurality of rescue workers from the analysis data. The method of claim 16,
Generating the analysis data
And calculating a search area between the plurality of rescue workers from the shared position coordinates. The method of claim 17,
The search area
A search assist method for calculating a visible distance ratio by reflecting environmental factors for each location in the shared time coordinates of each time and reflecting the visible distance ratio in the viewing angle information. The method of claim 17,
The condition value is
And at least one of calculation time information of the analysis data, the viewing angle information, a threshold of the distributed data, and a threshold of the search area. The method of claim 16,
And generating an alarm when the operation area deviates and the duplicate search occurs.

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