KR102461983B1 - Server for providing navigation information of underground space and method thereof - Google Patents

Abstract

The server is started. The server is a communication device communicating with an external device, map information for an indoor space, information about a plurality of BLE devices disposed in an indoor space, a memory for storing a plurality of people prediction models for each space constituting the indoor space, and a user and a processor for controlling the communication device to provide evacuation route information including movement route information to the user terminal device based on the received location information and the person prediction model upon receiving the location information from the terminal device.

Description

SERVER FOR PROVIDING NAVIGATION INFORMATION OF UNDERGROUND SPACE AND METHOD THEREOF

The present disclosure relates to a server and method for providing navigation information for an underground space, and provides navigation information for an underground space that can guide a user to a safe location by acquiring location information from a plurality of BLEs disposed in the underground space It relates to a server and method for

Recently, with the development of communication technology, a navigation service using a smart phone has been provided. However, since such a navigation service uses a GPS signal, it is difficult to utilize it in an indoor space, particularly an underground space.

When an emergency evacuation is required due to a fire or the like in such a space, conventionally, emergency exit display devices operated by a built-in battery have been arranged in various places even during a power outage to help prepare users in case of an emergency.

However, it was difficult to check the display of the emergency exit display device in a situation where visibility was not secured due to fire, etc., and it was difficult to adaptively guide the escape route according to the number of people in the space.

Accordingly, an object of the present disclosure is to provide a navigation device and method capable of guiding a user to a safe location by acquiring location information from a plurality of BLEs disposed in an underground space.

A server according to the present disclosure for achieving the above object is a communication device communicating with an external device, map information for an indoor space, information about a plurality of BLE devices disposed in the indoor space, and a plurality of components constituting the indoor space Upon receiving the location information from the memory and the user terminal device for storing the person prediction model for each space of and a processor for controlling the communication device to provide

In this case, the evacuation route information may include map information for the indoor space, information on a movement route from a current location to an external space, and BLE device information located on the movement route.

Meanwhile, the number of people prediction model may predict the number of people by space in the current time zone by using information on the number of people by day, time, and space.

In this case, the processor generates a movement route for each space based on the estimated number of people for each space and the state information about the exit, and determines a movement route corresponding to the space corresponding to the location information received from the user terminal device. It is possible to generate evacuation route information including

Meanwhile, the memory stores state information on a plurality of exits located in the indoor space, and the processor further considers the state information to generate evacuation route information for the user terminal device, and the generation The communication device may be controlled to provide the evacuation route information to the user terminal device.

On the other hand, the control method of the server according to an embodiment of the present disclosure includes map information for an indoor space, information on a plurality of BLE devices disposed in the indoor space, and a plurality of people prediction models for each space constituting the indoor space. Storing, receiving location information from a user terminal device, generating evacuation route information including movement route information based on the received location information and the person prediction model, and using the generated evacuation route information and transmitting to the user terminal device.

In this case, the evacuation route information may include map information for the indoor space, information on a movement route from a current location to an external space, and BLE device information located on the movement route.

Meanwhile, the prediction model may predict the number of people per space in the current time zone by using information on the number of people per day, time, and space.

In this case, the generating of the evacuation route information includes generating a movement route for each space based on the estimated number of people for each space and the state information on the exit, and a space corresponding to the location information received from the user terminal device. It is possible to generate evacuation route information including a movement route corresponding to .

On the other hand, the storing step further stores the state information about the plurality of exits located in the indoor space, and the generating the evacuation route information includes additionally considering the state information for the user terminal device. Evacuation route information can be created.

On the other hand, in a computer-readable recording medium including a program for executing a method for controlling a server according to an embodiment of the present disclosure, the control method includes map information for an indoor space, a plurality of pieces arranged in the indoor space Storing information on the BLE device, a plurality of person prediction models for each space constituting the indoor space, receiving location information from a user terminal device, a movement path based on the received location information and the person prediction model generating evacuation route information including information, and transmitting the generated evacuation route information to the user terminal device.

As described above, according to various embodiments of the present disclosure, it is possible to provide an accurate evacuation route to each user when an emergency evacuation is required such as a fire in an indoor space. In addition, it is possible to prevent difficulties in evacuation due to crowding of people at a specific exit in consideration of the number of people for each space and the exit situation.

1 is a view for explaining a navigation system according to an embodiment of the present disclosure;
2 is a view showing a specific configuration of the user terminal device of FIG. 1;
Figure 3 is a view showing a specific configuration of the server of Figure 1;
4 and 5 are diagrams illustrating examples of a user interface window that can be displayed on the user terminal device of FIG. 1;
6 is a view showing an example of a BLE device according to an embodiment of the present disclosure;
7 is a flowchart for explaining a navigation method in a user terminal device according to an embodiment of the present disclosure;
8 is a flowchart illustrating a navigation method in a server according to an embodiment of the present disclosure.

Prior to describing the present disclosure in detail, a description will be given of the description of the present specification and drawings.

Terms used in the present disclosure have been selected in consideration of functions in various embodiments of the present disclosure. However, these terms may vary depending on the intention or legal or technical interpretation of a person skilled in the art, and the emergence of new technology. Also, some terms are arbitrarily selected by the applicant. These terms may be interpreted in the meaning defined in the present specification, and if there is no specific term definition, it may be interpreted based on the general content of the present specification and common technical knowledge in the art.

Hereinafter, various embodiments of the present disclosure will be described with reference to the accompanying drawings. However, this is not intended to limit the technology described in the present disclosure to specific embodiments, and it should be understood to include various modifications, equivalents, and/or alternatives of the embodiments of the present disclosure.

Also, the same reference numbers or reference numerals in each drawing appended to the present disclosure indicate parts or components that perform substantially the same functions. For convenience of description and understanding, the same reference numerals or reference numerals are used in different embodiments. That is, even though all components having the same reference number are illustrated in a plurality of drawings, the plurality of drawings do not mean one embodiment.

In this disclosure, the singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as "comprises" or "consisting of" are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, and are intended to indicate that one or more other It is to be understood that this does not preclude the possibility of addition or presence of features or numbers, steps, operations, components, parts, or combinations thereof.

In the present disclosure, expressions such as “have,” “may have,” “include,” or “may include” indicate the presence of a corresponding characteristic (eg, a numerical value, function, operation, or component such as a part). and does not exclude the presence of additional features.

In this disclosure, expressions such as “A or B,” “at least one of A and/and B,” or “one or more of A or/and B” may include all possible combinations of the items listed together. . For example, "A or B," "at least one of A and B," or "at least one of A or B" means (1) includes at least one A, (2) includes at least one B; Or (3) it may refer to all cases including both at least one A and at least one B.

As used in the present disclosure, expressions such as “first,” “second,” “first,” or “second,” may modify various elements, regardless of order and/or importance, and refer to one element. It is used only to distinguish it from other components, and does not limit the components. For example, the components combined with such an ordinal number should not be limited in the order of use or arrangement by the number. If necessary, each ordinal number may be used interchangeably.

Hereinafter, the present disclosure will be described in detail with reference to the drawings.

1 is a view for explaining a navigation system according to an embodiment of the present disclosure.

Referring to FIG. 1 , a navigation system 1000 may include a user terminal device 100 , a plurality of BLE devices (user terminal devices), and a server 300 .

The user terminal device 100 is an electronic device carried by a user, and may receive location information from the adjacent BLE device 200 and evacuation route information from the server 300 corresponding to the received location information.

In addition, the user terminal device 100 may display information necessary for the movement of the user by using the received evacuation route information. Such a user terminal device 100 may be various electronic devices that a user can carry, such as a smart phone, a wearable device, a laptop computer, and the like. A detailed configuration and operation of the user terminal device 100 will be described later with reference to FIG. 2 .

The plurality of BLE devices 200 may be located in different spaces within the indoor space, and may provide location information to the user terminal device 100 . Specifically, the plurality of BLE devices 200 may be located at a distance spaced apart from each other in consideration of the communication distance (eg, 20 m), and may be arranged for each partitioned space with respect to the indoor space. For example, if there are four spaces and a plurality of movement passages in the indoor space as shown, a plurality of BLE devices 200-1, 200-2, 200-3, and 200-4 for each space and movement passage , 200-5, 200-6, 200-7, 200-8, 200-9) may be located.

Such a BLE device may be implemented in a form combined with an emergency exit display device. A BLE device of this type will be described later with reference to FIG. 6 .

The server 300 may predict the number of people for each space by using the person prediction model for each space, and may generate an exit for each space and a path for moving to the corresponding exit. In this case, the server 300 may perform mapping and route generation for each space person based on the exit status information.

In addition, when the server 300 receives location information from each of the plurality of user terminal devices 100 , the server 300 checks a space corresponding to the received location information, and provides a plurality of evacuation route information including route information for the identified space. It may be provided to each of the user terminal devices 100 . A detailed configuration and operation of the server 300 will be described later with reference to FIG. 3 .

In the above, the devices constituting the navigation system 1000 have been described. Hereinafter, an operation of providing an evacuation route in the environment as shown in FIG. 1 will be described.

Each of the plurality of user terminal devices (100-1, 100-2, 100-3, 100-4) is a BLE device (200-1, 200-3, 200-6, 200-) located in the space where it is currently located. 7) You can receive location information from each. For example, the first user terminal device 100-1 may receive location information from the third BLE device 200-3.

In addition, each of the plurality of user terminal devices 100-1, 100-2, 100-3, and 100-4 may provide the received location information to the server 300, and the server 300 responds to the received location information. Evacuation route information including a movement route corresponding to a corresponding location may be provided to each of the plurality of user terminal devices 100 - 1 , 100 - 2 , 100 - 3 and 100 - 4 based on the evacuation route information.

For example, for the first user terminal device 100-1, the server 300 generates evacuation route information including a path for moving to an exit adjacent to the corresponding space to generate the evacuation route information for the first user terminal device 100-1. can be provided to In this case, as shown in the figure, in order to prevent users from being driven to one evacuation route, the server 300 may generate a movement route for moving to another evacuation route for each space and provide it to each user terminal device 100 . .

Each of the plurality of user terminal devices 100-1, 100-2, 100-3, and 100-4 may display a movement route based on the received evacuation route information. For example, the first user terminal device 100-1 may display a path for moving to the first evacuation exit as shown.

In this case, the evacuation route information may include information 200-3, 200-4, and 200-5 of the BLE device located on the movement route. Through this, when the first user terminal device 100-1 is connected to the fourth BLE device 200-4 and the fifth BLE device 200-5 while moving, the user is moving appropriately according to the evacuation route information. can confirm.

As described above, the navigation system 1000 according to the present disclosure can provide an appropriate movement route to a user in an underground space or an indoor space where GPS, etc. are not received, and the navigation system 1000 also provides the number of people and exit status for each space. A movement route is provided in consideration of such factors, and it is possible to prevent a situation in which people flock to a specific exit.

On the other hand, in the illustration and description of FIG. 1 , it is shown that the server 300 provides information on only one indoor space, but in implementation, the server 300 may provide information on a plurality of indoor spaces. do. In addition, in the illustrated example, one server predicts the number of people and provides a route according to it, but in implementation, the server is composed of a plurality of servers, so that one server predicts the number of people and the other server predicts the number of people Routes may also be provided based on the number of people assigned to them.

In addition, in FIG. 1, it was illustrated and described as obtaining location information from the BLE device and obtaining movement path information from the server, but in implementation, the BLE device and the server can communicate with each other, and in an emergency. The BLE device may also be implemented in a form in which the BLE device receives movement path information for a corresponding location from the server and provides the movement path information immediately when the user terminal device is connected to the BLE device.

In addition, in the illustration and description of FIG. 1 , although it has been described that the movement route is provided to the user terminal device only in the case of an evacuation situation, in implementation, it may be used to guide the route for movement of the indoor space even in the case of not an evacuation situation. .

FIG. 2 is a diagram illustrating a detailed configuration of the user terminal device of FIG. 1 .

Referring to FIG. 2 , the user terminal device 100 may include a communication device 110 , a memory 120 , a display 130 , a manipulation input device 140 , and a processor 150 .

The communication device 110 is connectable to the BLE device 200 and/or the server 300 . Specifically, the communication device 110 is formed to connect the user terminal device 100 to an external device, and may communicate with other devices through a wireless communication method such as Wi-Fi, Bluetooth, or cellular communication.

In addition, the communication device 110 may receive location information from the BLE device 200 . Specifically, the communication device 110 may include a Bluetooth Low Energy (BLE) module for performing BLE communication, and may receive location information from the connectable BLE device 200 . Here, the location information may be information about the location of the BLE device directly (eg, information about the space in which the BLE device is located), and the above-described BLE device that can indirectly specify the location of the BLE device in the server. device information (eg, BLE device name, identification number, ID, SSID, etc.).

Meanwhile, in the present disclosure, it has been described that the BLE technology is used to communicate with the BLE device, but in implementation, various short-range wireless communication technologies such as WiFi, ZigBee, and Zwave may be used in addition to the BLE technology.

In addition, the communication device 110 may receive evacuation route information from the server. Here, the evacuation route information may include map information on an indoor space, information on a movement route from the current location to an external space, and BLE device information located on the movement route.

The memory 120 is a component for storing O/S for driving the user terminal device 100 or software and data for providing evacuation route information. The memory 120 may be implemented in various forms such as RAM, ROM, flash memory, HDD, external memory, memory card, etc., but is not limited thereto.

In addition, the memory 120 may store the received location information and/or evacuation route information.

The display 130 may display the received evacuation route information. In this case, the display 130 may display map information and a movement route according to the received evacuation route information, and in implementation, may also display a movement route for the current section among the movement routes divided into a plurality of sections. An example of a user interface window that can be displayed on the display 130 will be described later with reference to FIGS. 4 and 5 .

The display 130 may be a monitor such as an LCD, CRT, or OLED, and may be implemented as a touch screen capable of simultaneously performing the functions of the manipulation input device 140 to be described later.

The manipulation input device 140 may receive a function selection of the user terminal device 100 and a control command for the corresponding function from the user. Specifically, the manipulation input device 140 may include a button. The user may generate a preset event by pressing the corresponding button a predetermined number of times or by pressing and holding the corresponding button for a predetermined time or longer.

The processor 150 controls each component in the user terminal device 100 . Specifically, when a booting command is input by the user, the processor 150 may perform booting using the operating system stored in the memory 120 .

The processor 150 may check whether a preset event has occurred. For example, the processor 150 may determine that the display of the evacuation route information is necessary when a preset button provided in the user terminal device is operated or an emergency evacuation notification is received from an external device.

In addition, the processor 150 may control the communication device 110 to receive location information from at least one of a plurality of BLE devices disposed in an indoor space when a preset event occurs.

In addition, when the location information is received, the processor 150 may control the communication device 110 to receive evacuation route information based on the location information received from the BLE device 200 . Specifically, the processor 150 may control the communication device 110 to transmit location information and information on the user terminal device 100 to the server 300 .

When the evacuation route information is received by the above-described operation, the processor 150 may control the display 130 to display the received evacuation route information. In this case, the processor 150 may divide a movement section into a plurality of sections based on the received movement path information, and display a movement route for a section corresponding to the current location among the plurality of sections.

In addition, the processor 150 may continuously track the location of the user. Specifically, the processor 150 may check whether the user's moving direction corresponds to the received moving path through an acceleration sensor provided in the user terminal device 100 . Alternatively, the processor 150 may check whether the user's movement direction corresponds to the received movement path based on location information received from another BLE device during the user's movement process. Specifically, when receiving the second location information from another BLE device, it is checked whether the received second location information is BLE information included in the received evacuation route information, and whether the current user's movement direction corresponds to the received movement route. can be checked.

If the user's movement is different from the received movement route information, the processor 150 controls the communication device 110 to receive second evacuation route information based on the second location information received from another BLE device, The display 130 may be controlled to display the received second evacuation route information.

As described above, the user terminal device 200 according to the present embodiment can provide an accurate evacuation route to the user when an emergency evacuation is required such as a fire in an indoor space.

On the other hand, in the illustration and description of FIG. 2, although it has been described that the movement route is displayed only on the display screen, in implementation, voice guidance is provided through a speaker included in the user terminal device 100 or an earphone connected through Bluetooth, etc. You can do it together.

FIG. 3 is a diagram illustrating a specific configuration of the server of FIG. 1 .

Referring to FIG. 3 , the server 300 may include a communication device 310 , a memory 320 , and a processor 330 . Such a server 300 may be a server device, a cloud server, a PC, or the like.

The communication device 310 is connectable to the BLE device 200 and/or the user terminal device 100 . Specifically, the communication device 310 is formed to connect the server 300 with other devices, and may communicate with other devices through a wireless communication method such as Wi-Fi, Bluetooth, and cellular communication as well as a wired communication method. .

In addition, the communication device 310 may receive location information from the user terminal device 100 . In addition, the communication device 310 may provide evacuation route information to the user terminal device 100 in response to the reception of the location information.

The memory 320 is a component for storing O/S for driving the server 300 or software for performing a learning model, data, and the like. The memory 320 may be implemented in various forms such as RAM, ROM, flash memory, HDD, external memory, memory card, and the like, but is not limited thereto.

The memory 320 stores map information for an indoor space, information on a plurality of BLE devices disposed in the indoor space, and a model for predicting people for each space constituting the indoor space. Here, the number of people prediction model is a deep learning learning model that predicts the number of people by day/time and space, and can be learned from data collected by person information, day of the week, and time zone.

In addition, the memory 320 may store state information about a plurality of exits located in the indoor space. Such state information may be continuously updated according to a change in the state of the exit.

The processor 330 controls each configuration in the server 300 . Specifically, when a booting command is input by the user, the processor 330 may perform booting using the operating system stored in the memory 320 .

The processor 330 may train the people prediction model. Specifically, the processor 330 may learn the number of people prediction model by using information on the number of people by day/time/space.

In addition, the processor 330 may predict the number of people for each space at the current time based on the learned people prediction model. Through such prediction, the processor 330 may store in the memory 320 an exit to be used by a person for each space and a movement path therefor in advance.

In this case, the processor 330 may also store information on the BLE device on the movement path in the memory 320 . In an emergency such as a fire, continuous communication with the server 300 may be difficult. In order to prevent this, evacuation route information may be generated including information about the BLE device on the movement route that can be used to determine whether the user's movement is appropriate.

Alternatively, the processor 330 may generate a movement path for each space in advance and store it in the memory 320 based on the predicted state information on the number of people and the exit for each space. In this case, the processor 330 may generate evacuation route information for the user terminal device by additionally considering the state information.

In addition, the processor 330 may continuously monitor the status information for each exit. For example, the processor 330 may collect whether the exit is available (ie, whether there is a failure) and the like through an external device.

And, when the location information is received from the user terminal device 100, the processor 330 checks a space in which the user is located based on the received location information, and provides movement path information corresponding to the identified space and an indoor space. The communication device 310 may be controlled so that the map information is transmitted to the corresponding user terminal device. In this case, the processor 330 may also transmit information on the BLE device disposed on the above-described movement path to the user terminal device 100 .

Meanwhile, in implementation, the processor 330 may transmit evacuation route information including a movement path corresponding to the space in which the corresponding BLE device 200 is located to the BLE device 200 to the corresponding BLE device 200 . For example, in order to prevent traffic from converging on the server 300 in case of danger, the BLE device 200 may provide evacuation route information.

As described above, the server 300 according to the present embodiment can provide an accurate evacuation route to each user when an emergency evacuation is required such as a fire in an indoor space. In addition, the control method can prevent difficulties in evacuation due to crowding of people at a specific exit in consideration of the number of people for each space and the exit situation.

4 and 5 are diagrams illustrating examples of a user interface window that can be displayed on the user terminal device of FIG. 1 .

Referring to FIG. 4 , the user interface window 500 includes a map display area 410 .

The map display area 410 is an area in which map information displayed on the received evacuation route information and a movement route on the map are combined and displayed.

The user may check the moving route through the displayed map display area 410 .

Meanwhile, although illustrated and described as displaying the entire moving path on one screen in FIG. 4 , in implementation, the moving path may be divided into a plurality of sections and only the moving path corresponding to the current section may be displayed. Such an example will be described below with reference to FIG. 5 .

Referring to FIG. 5 , the user interface window 600 may include a route display area 610 for a current section and a route display area 620 for a next section.

The route display area 610 for the current section is an area that displays the moving direction of the user based on the current location, and may display information on the moving direction and the distance to the next section.

The path display area 620 for the next section is an area for displaying the moving direction of the next section based on the current location.

6 is a diagram illustrating an example of a BLE device according to an embodiment of the present disclosure.

Referring to FIG. 6 , the BLE device 200 includes the display device 210 and the communication device 220 . Such a BLE device 200 has a structure in which an evacuation indicator and a BLE device are combined.

The display device 210 includes a light emitting element, and an image for notifying the location of the exit or the direction of the exit to the user may be displayed. In addition, the display device 210 may include a battery and the like to provide power to the above-described light emitting device even in a situation such as a power outage so that the above-described image can be displayed.

If the communication device 200 includes a BLE communication module, it may transmit location information to the user terminal device in a BLE method. In addition, the communication device 200 may be connected to the server in a WIFI, cellular, or wired manner in addition to the BLE module, may receive evacuation route information provided from the server, and provide evacuation route information to the user terminal device in a BLE manner. can do.

In addition, the communication device 200 may operate using a power source (specifically, a secondary battery) provided for the display function of the BLE device 200 . Through this, even if a situation such as a power outage occurs, it is possible to guide the user to an evacuation site, and it is also possible to provide location information as described above.

7 is a flowchart illustrating a navigation method in a user terminal device according to an embodiment of the present disclosure.

Referring to FIG. 7 , first, when a preset event occurs, location information is received from at least one of a plurality of BLE devices disposed in an indoor space (S710). Here, the preset event may be an event in which a preset button provided in the user terminal device is operated or an event in which an emergency evacuation notification is received from an external device.

And when the location information is received, evacuation route information based on the location information received from the external device is received (S720). Here, the evacuation route information may include map information on an indoor space, information on a movement route from the current location to an external space, and BLE device information located on the movement route.

Then, the received evacuation route information is displayed (S730). Specifically, map information included in the evacuation route information and information on a movement route may be displayed. In this case, the moving section may be divided into a plurality of sections based on the received moving route information, and information on the moving route for the section for the current location among the plurality of sections may be displayed.

On the other hand, when the second location information is received from another BLE device as the user moves after the above-described operation, based on the received second location information, it is determined whether the user's moving path is moving according to the received moving path information. can judge

As a result of the determination, if the movement is according to the movement route, the display operation using the previously received evacuation route information may be continued. Conversely, if it is determined that the user's movement is different from the received movement route information, the second evacuation route information based on the second location information received from the external device may be received and the received second evacuation route information may be displayed.

Therefore, the navigation method according to the present embodiment can provide an accurate evacuation route to the user when an emergency evacuation is required such as a fire in an indoor space. The navigation method shown in FIG. 7 may be executed on the user terminal device having the configuration of FIG. 2 and may also be executed on the user terminal device having other configurations.

In addition, the navigation method as described above may be implemented as a program including an executable algorithm that can be executed on a computer, and the above-described program may be provided by being stored in a non-transitory computer readable medium. have.

The non-transitory readable medium refers to a medium that stores data semi-permanently, rather than a medium that stores data for a short moment, such as a register, cache, memory, etc., and can be read by a device. Specifically, the programs for performing the above-described various methods may be provided by being stored in a non-transitory readable medium such as a CD, DVD, hard disk, Blu-ray disk, USB, memory card, ROM, and the like.

8 is a flowchart illustrating a method of controlling a server according to an embodiment of the present disclosure.

Referring to FIG. 8 , the server may preferentially store map information for an indoor space, information on a plurality of BLE devices disposed in the indoor space, and a learned people prediction model. Here, the number of people prediction model is a learning model that predicts the number of people by space in the current time zone using information on the number of people by day, time, and space, and may be previously learned using information on the number of people by space according to the day of the week and time (S810) . In addition, status information about a plurality of exits located in an indoor space may be stored in addition to the above-described information, and this status information may be updated in real time.

Then, location information is received from the user terminal device (S820). Here, the location information may be information of a BLE device to which the user terminal device can connect.

Then, based on the received location information and the person prediction model, evacuation route information including movement route information is generated (S830). For example, it is possible to generate evacuation route information including map information on an indoor space, information on a movement path from a current location to an external space, and BLE device information located on the movement route.

For this operation, the server may generate and place a movement route for each space based on the state information on the number of people and the exit predicted in advance for each space, and a movement route corresponding to the space corresponding to the location information received from the user terminal device. It is possible to generate evacuation route information including

Then, the generated evacuation route information is transmitted to the user terminal device (S840). Specifically, the evacuation route information may be transmitted to the user terminal device that has transmitted the location information. Meanwhile, in implementation, in order to reduce traffic in the server, the server transmits evacuation route information for each BLE device to each of the BLE devices, and when the BLE device is first connected to the user terminal device, the evacuation route information as described above is provided. can also be transmitted.

Therefore, the control method according to the present embodiment can provide an accurate evacuation route to each user when an emergency evacuation is required such as a fire in an indoor space. In addition, the control method can prevent difficulties in evacuation due to crowding of people at a specific exit in consideration of the number of people for each space and the exit situation. The control method shown in FIG. 8 may be executed on the server having the configuration of FIG. 3 and may also be executed on the server having other configurations.

In addition, the control method as described above may be implemented as a program including an executable algorithm that can be executed on a computer, and the above-described program may be provided by being stored in a non-transitory computer readable medium. have.

In addition, although preferred embodiments of the present disclosure have been illustrated and described above, the present disclosure is not limited to the specific embodiments described above, and the technical field to which the disclosure belongs without departing from the gist of the present disclosure as claimed in the claims Various modifications are possible by those of ordinary skill in the art, and these modifications should not be individually understood from the technical spirit or prospect of the present disclosure.

1000: navigation system 100: user terminal device
200: BLE device 300: server

Claims (11)

in the server,
a communication device that communicates with an external device;
a memory for storing map information on an indoor space, information on a plurality of BLE devices disposed in the indoor space, and a model for predicting people for each space constituting the indoor space; and
The predicted number of people for each of the plurality of spaces is calculated based on the prediction model of the number of people for each of the plurality of spaces, and the movement of each of the plurality of spaces is based on the calculated predicted number of people for each space and information on an exit located in the indoor space. When the route information is generated and the location information is received from the user terminal device, the indoor space corresponding to the received location information is checked, and evacuation route information including the movement route information corresponding to the checked indoor space is obtained. It includes; a processor for controlling the communication device to provide to the user terminal device,
The people prediction model is,
A server that is a learning model that predicts the number of people by time and space by using information on the number of people by day, time, and space. According to claim 1,
The evacuation route information is
A server including map information for the indoor space, information on a moving path from the current location to an external space, and BLE device information located on the moving path. delete delete According to claim 1,
The memory is
stores state information about a plurality of outlets located in the indoor space;
The processor is
A server for generating movement path information for each of the plurality of spaces by additionally considering the state information. In the server control method,
Storing map information for an indoor space, information on a plurality of BLE devices disposed in the indoor space, and a plurality of people prediction models for each space constituting the indoor space;
calculating the predicted number of people in each of the plurality of spaces based on the prediction model of the number of people in each of the plurality of spaces;
generating movement path information for each of the plurality of spaces based on the calculated information on the estimated number of people for each space and information on an exit located in the indoor space;
receiving location information from a user terminal device;
checking the indoor space corresponding to the received location information;
generating evacuation route information including the movement route information corresponding to the identified indoor space; and
transmitting the generated evacuation route information to the user terminal device;
The people prediction model is,
A control method that is a learning model that predicts the number of people by time and space by using information on the number of people by day, time, and space. 7. The method of claim 6,
The evacuation route information is
A control method comprising map information for the indoor space, information on a movement path from a current location to an external space, and BLE device information located on the movement path. delete delete 7. The method of claim 6,
The saving step is
Further storing state information about a plurality of outlets located in the indoor space,
The step of generating the movement path information includes:
A control method for generating movement path information for each of the plurality of spaces by additionally considering the state information. In a computer-readable recording medium comprising a program for executing a control method of a server,
The control method is
Storing map information for an indoor space, information on a plurality of BLE devices disposed in the indoor space, and a plurality of people prediction models for each space constituting the indoor space;
calculating the predicted number of people in each of the plurality of spaces based on the prediction model of the number of people in each of the plurality of spaces;
generating movement path information for each of the plurality of spaces based on the calculated information on the estimated number of people for each space and information on an exit located in the indoor space;
receiving location information from a user terminal device;
checking the indoor space corresponding to the received location information;
generating evacuation route information including the movement route information corresponding to the identified indoor space; and
transmitting the generated evacuation route information to the user terminal device;
The people prediction model is,
A computer-readable recording medium that is a learning model for predicting the number of people by time and space by using information on the number of people by day, time, and space.

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