KR20170037104A - Wearable device and disaster preventation method and server using the same - Google Patents

Abstract

A wearable device, a disaster prevention method using the wearable device, and a service server are provided. A wearable device according to an embodiment of the present invention includes a sensor unit for acquiring biofeedback data of an operator, a biofeedback data transmitting unit for transmitting the biofeedback data and position related information to a service server, And an output unit for outputting the received analysis result, wherein the output unit includes an operator who has an abnormality in a physical condition or a psychological state among workers of a monitoring group to which nearby workers existing within a specific range based on the operator are included, And outputting information on the information.

Description

TECHNICAL FIELD [0001] The present invention relates to a wearable device, a disaster prevention method and service server using the wearable device,

The present invention relates to a wearable device, a disaster prevention method using the wearable device, and a service server.

As unexpected disasters, accidents, and the like have become more frequent in recent years, there is a growing demand for safety against danger such as disasters and accidents.

In particular, a man-made disaster is a major area of responsibility for public disasters and industrial accidents, and in many cases, the aftermath of the disaster can lead to major disasters.

According to statistics from the Ministry of Employment and Labor, Korea has the highest number of industrial accident deaths among 34 OECD countries, with an estimated number of work-related casualties of 253 persons per day, with 92,000 cases per year, Level.

According to the statistics of the Korea Occupational Safety and Health Agency, the causes of death accidents among the causes of industrial accidents are as follows: 1) Inadequate use of clothing and protective equipment, neglect of work and procedures, negligence of structures or other risks, Respectively.

Therefore, there is a need to develop a system for preventing and coping with human disaster in public disasters and industrial disasters, and in particular, there is a desperate need to find out and manage the condition of the workers.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a method of preventing a human disaster by efficiently grasping the state of an operator and managing it.

In order to achieve the above object, a wearable device according to an embodiment of the present invention includes a sensor unit for obtaining biofeedback data of an operator, a biofeedback data transmitting unit for transmitting the biofeedback data and position related information to a service server, And an output unit for outputting the analysis result, wherein the output unit comprises: a body of a worker of a monitoring group to which surrounding workers existing within a specific range on the basis of the worker belong, And when the worker who has reached the criterion set in the dangerous state exists, the information about the worker and the risk alert message are outputted.

In order to achieve the above object, a service server for preventing a disaster by using a wearable device worn by an operator according to an embodiment of the present invention is characterized in that the bio feedback data of the operator and position related information are received from the wearable device A monitoring group generating unit for recognizing the position of the operator based on the position related information and extracting a neighboring worker existing within a predetermined range based on the detected position of the worker to generate a monitoring group; A biofeedback data analyzing unit for analyzing data to determine whether the physical condition and the psychological state of the operator are abnormal; and an analysis result providing unit for providing analysis results of the biofeedback data to the monitoring terminal of the wearable device and the manager, The analysis result And the providing unit transmits information about the worker to the wearable device of the surrounding worker belonging to the monitoring group and the information about the worker to the wearable device of the monitoring group when the physical state or the psychological state of the worker reaches a criterion set as a dangerous state as a result of the analysis of the bio- And a message indicating the dangerous state of the user.

In order to achieve the above object, a method for preventing a disaster using a wearable device worn by a service server according to an embodiment of the present invention includes the steps of: (a) Related information; (b) generating a monitoring group by extracting nearby workers existing within a predetermined range based on the detected position of the operator; and (B) analyzing the biofeedback data to determine whether the physical condition and the psychological state of the operator are abnormal; and (d) providing analysis results of the biofeedback data to the monitoring terminal of the wearable device and the manager Wherein the step (d) comprises the steps of: As a result of the analysis, when a physical condition or a psychological state of the worker reaches a criterion set as a dangerous state, a message informing the wearer device of the surrounding worker belonging to the monitoring group of the information on the worker and the risk status of the worker .

According to an embodiment of the present invention, human condition can be prevented in advance by detecting the condition of the operator and detecting the danger in advance.

It should be understood that the effects of the present invention are not limited to the above effects and include all effects that can be deduced from the detailed description of the present invention or the configuration of the invention described in the claims.

1 is a diagram illustrating a configuration of a disaster prevention system using a wearable device according to an embodiment of the present invention.
2 is a block diagram showing the configuration of a wearable device according to an embodiment of the present invention.
3 is a block diagram illustrating a configuration of a service server according to an embodiment of the present invention.
4 is a flowchart illustrating a disaster prevention process using a wearable device according to an embodiment of the present invention.

As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.

In this specification, the terms "comprising ", or" comprising "and the like should not be construed as necessarily including the various elements or steps described in the specification, Or may be further comprised of additional components or steps.

In addition, '... Wealth, '... Module " or the like means a unit for processing at least one function or operation, which may be implemented by hardware or software, or a combination of hardware and software.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a configuration of a disaster prevention system using a wearable device according to an embodiment of the present invention.

A disaster prevention system 100 using a wearable device according to an embodiment of the present invention includes a wearable device 110, a service server 120, and a monitoring terminal 130 .

The wearable device 110 may be worn on the wearer's body and may include bio-feedback data of a wearer wearing the wearable device 110 (hereinafter, referred to as an 'operator') from a sensor, feedback data can be obtained periodically.

In addition, the wearable device 110 may transmit the biofeedback data periodically obtained from the sensor to the service server 120, and may receive and output the analysis result of the biofeedback data from the service server 120.

The wearable device 110 may be connected to the service server 120 through a network relay (e.g., a base station, an access point, etc.) (not shown), and the wearable device 110 may communicate with the service server 120 May mean the intervention of a network repeater (not shown).

When the wearable device 110 transmits the biofeedback data to the service server 120, the wearable device 110 may transmit at least one of the identifier, the worker's identifier, and the position related information together.

The 'sensor' may include various sensors capable of measuring biofeedback data such as an operator's brain activity, eye flicker, respiration, oxygen saturation, pulse, skin temperature, blood glucose, and the like.

Such a sensor may be disposed within the wearable device 110 and may be attached to the wearer's body separately from the wearable device 110. [

In addition, the same sensor may be attached to all of the workers, or another sensor may be additionally attached to each worker depending on the physical condition or the psychological state of the worker.

For example, in the case of a worker without a specific disease, a heart rate measuring sensor, a temperature measuring sensor, and an EEG sensor, which are generally attached to all workers, may be attached. However, an operator having diabetes may additionally include a blood glucose measuring sensor .

In addition, the wearable device 110 may be provided in a helmet-mounted type, a headgear type, or a band type mounted on the body of an operator.

For reference, the wearable device 110 can form one set with a display device that can be easily worn on the wrist so that the analysis result of the biofeedback data can be easily checked. Also, the display device (not shown) And a sensor capable of performing the measurement.

A display device (not shown) that forms one set with the wearable device 110 may be connected to the wearable device 110 through short-range wireless communication such as Bluetooth.

In addition, the wearable device 110 may include a camera (not shown) capable of photographing a work site, and a microphone (not shown) capable of recording various sounds generated at a work site.

Also, the wearable device 110 transmits at least one of the bio feedback data obtained from the sensor, the image of the worksite obtained from the image capturing unit (not shown) and the microphone (not shown) and the sound to the service server 120 (Not shown).

In addition, the wearable device 110 may include an output unit (not shown) capable of outputting an analysis result of an operator's biofeedback data.

Here, the output unit (not shown) may include a display unit, a vibrating unit, a speaker, a lamp, and the like. According to the analysis result of the biofeedback data, And the psychological state of the abnormality can be informed to the outside.

In addition, the wearable device 110 may receive a risk alert message for the physical condition and the psychological condition of another worker from the service server 120.

In this case, one or more of the name of the worker (the worker who has more than the analysis result of the biofeedback data), the kind of the risk occurrence, and the coping manual can be output through the output unit (not shown).

If the wearable device 110 forms a set with the display device (not shown), the analysis result of the biofeedback data and the risk alert message for the surrounding worker are displayed on a display device (not shown) worn on the wrist Can be output.

On the other hand, the service server 120 can store and manage information on the wearable device 110 of the worker and the worker, periodically grasp the position of each worker, and based on the position information of each worker, It is possible to identify the peripheral workers existing within a specific range and manage them as one monitoring group.

The monitoring group can be updated periodically. At this time, the change of the monitoring group members due to the movement of the worker belonging to the monitoring group can be reflected.

For reference, the service server 120 can use the GPS information received from the wearable device 110 when the operator is located outdoors.

In the case of the room, the service server 120 searches the area corresponding to the identifier of the access point to which the wearable device 110 is connected, and the fingerprinting area indicating the position according to the signal strength between the wearable device 110 and the access point. The position of the wearer's device 110 based on one or more of the fingerprinting databases.

In addition, the service server 120 may analyze the bio feedback data periodically received from the wearable device 110 to determine whether the physical condition and the psychological state of the worker are abnormal.

Here, the abnormality determination can be made based on the reference value of each biofeedback data, and the reference value is' normal? caution ? Risk 'and so on.

When the result of the analysis of the biofeedback data indicates that it is a caution or a risk, the service server 120 searches the wearable device 110 of the worker and other workers located near the worker, that is, 110), one or more of the operator's name, the type of abnormal symptom, and the coping manual can be transmitted.

Also, the service server 120 transmits the analysis result of the biofeedback data periodically received from the wearable device 110 to the monitoring terminal 130 of the manager so that the manager always monitors the physical condition and psychological state of each worker can do.

Meanwhile, the monitoring terminal 130 analyzes the results of the analysis of the biofeedback data for each worker from the service server 120 (the analysis result of the biofeedback data of the worker according to the analysis of the biofeedback data) so that the manager can monitor the physical condition and the psychological state of each worker A physical state, a psychological state, and an abnormality, etc.) can be received and displayed on the screen.

In addition, the monitoring terminal 130 may inquire a worker by job site (place, area), a team, or may inquire a specific worker by using an identifier of the worker.

When the manager selects a specific worker, the monitoring terminal 130 can display the analysis result of the bio feedback data of the worker on the screen.

The manager can use the monitoring terminal 130 to send a character or voice to a wearable device 110 of a specific worker, a plurality of workers, or all workers belonging to the monitoring group so as to grasp the status of the worker or suggest a rest or the like , And other notices.

For example, the monitoring terminal 130 may be connected to the service server 120 through a network repeater (e.g., a base station, an access point, etc.) (not shown) May mean the intervention of a network repeater (not shown).

The monitoring terminal 130 may be a mobile terminal including a smart phone, a mobile phone, a PDA (Personal Digital Assistant), a PMP (Portable Multimedia Player), a tablet computer, 120, which may be connected to each other.

2 is a block diagram showing the configuration of a wearable device according to an embodiment of the present invention.

The wearable device 110 according to one embodiment of the present invention includes a processor and a memory coupled to the processor and includes a memory that stores the operation of the wearable device 110 as described above with reference to Figure 1 or by a processor Program instructions that execute can be stored.

The wearable device 110 may include a sensor unit 111, a communication unit 112, an output unit 113, an emergency notification input unit 114, and a power supply unit 115.

The sensor unit 111 may be disposed in the wearable device 110 or may be detached from the wearable device 110 to obtain the biofeedback data of the operator.

In one embodiment, when the wearable device 110 is of the head gear type, a plurality of sensors for measuring an operator's brain wave may be disposed within the wearable device 110, in contact with the wearer's forehead, When wearing the wearable device 110, the wearer can contact the wearer's forehead and sense an EEG.

In another embodiment, a sensor for sensing a heartbeat separated from the wearable device 110 may be attached to the wearer's wrist or chest, and the wearable device 110 may sense the heartbeat of the wearer from the corresponding sensor.

The communication unit 112 can receive the biofeedback data of the operator from the sensor unit 111 and transmit the received biofeedback data and the identifier of the wearable device 110 and the position related information to the service server 120 have.

Here, the location-related information includes at least one of GPS coordinates acquired through a GPS (not shown) included in the wearable device 110, an identifier of the network relay device to which the wearable device 110 is connected, and a network relay period signal strength .

Also, the communication unit 112 can receive the analysis result of the bio feedback data of the worker from the service server 120, and when an abnormality occurs in the physical condition or the psychological state of the surrounding worker belonging to the monitoring group, Lt; / RTI >

Meanwhile, the output unit 113 may include a display unit 113a including a screen, a speaker 113b outputting sound, and a lamp 113c.

The output unit 113 outputs the results of analysis of the biofeedback data of the sensor unit 111 and the wearable device 110, the physical and psychological states of the workers according to the analysis results of the biofeedback data, A message of an administrator, a residual power supply amount of the power supply unit 115 and a connection state of the communication unit 112 are displayed using one or more of the display unit 113a, the speaker 113b, and the lamp 113c can do.

Specifically, the display unit 113a can display numerical values or the like according to the analysis result of the biofeedback data when the physical condition and the psychological condition of the operator and the abnormality according to the result are outputted. If the physical condition or the psychological condition of the operator is abnormal (Such as high fever lasting or difficulty breathing), a risk alert message can be displayed along with the type of dangerous condition (high fever, dyspnea, heart failure, etc.) and a manual to deal with the situation.

In addition, the display unit 113a can output a risk notification message to the surrounding worker, which indicates that there is a co-worker who has a dangerous situation among surrounding workers, and can display the name of the surrounding worker and the type of the dangerous state have.

On the other hand, the speaker 113b can output a sound corresponding to each information so that the information displayed on the display unit 113a is audibly transmitted.

For example, in the risk status notification for the surrounding worker, the name of the surrounding worker, the type of the dangerous state, a simple manual for coping with the situation, and the like can be output through the speaker 114.

In addition, the message of the administrator monitoring the dangerous state may be outputted.

On the other hand, the lamp 113c can display the physical condition and the psychological state of the operator according to the result of analysis of the biofeedback data, and the abnormality of the operator according to the analysis result of the biofeedback data.

In one embodiment, if the current physical and psychological state of the worker is normal, the lamp 113c may blink blue and flash red if the current physical or psychological state of the worker is at risk.

For reference, the lamp 113c may be implemented in a form of outputting light of a specific color simply on the surface of the wearable device 110, or may be implemented in the form of a push button.

Here, in the case of being implemented in the form of a push button, the lamp 113c may be used as the emergency notification input unit 116 described later.

Meanwhile, the emergency notification input unit 114 is for manually notifying the operator of the dangerous situation of the user himself / herself or a neighboring companion, and may be implemented as a separate push button.

The emergency notification input unit 116 may include two push buttons, and an emergency notification request may be input only when both of the two push buttons are selected (pressed) to prevent malfunction.

For reference, when the lamp 113c is used as the emergency notification input unit 114, when the emergency notification request is input, the lamp 113c flashes red and can inform the outside that it is in an emergency state.

Meanwhile, the power supply unit 115 may supply power to the sensor unit 111, the communication unit 112, and the output unit 113, and a disposable battery or a rechargeable battery may be used.

3 is a block diagram illustrating a configuration of a service server according to an embodiment of the present invention.

The service server 120 according to an embodiment of the present invention includes an operator information storage unit 121, a position information storage unit 122, a monitoring group generation unit 123, a biofeedback data analysis unit 124, Study 125 of the present invention.

The worker information storage unit 121 stores the worker's name, gender, age, affiliated team, tasks, physical and psychological states to be observed, physical and psychological states to be observed according to the analysis of biofeedback data, You can save one or more of the warning numbers and the coping manual for each physical and psychological state.

Herein, the 'physical condition and the psychological state to be observed' may include one or more of past, currently treated or suspected diseases.

For reference, the worker information storage unit 121 may include a disease that can be commonly applied to all workers other than the physical condition and the psychological state to be observed by the worker, and alert values for the disease according to the analysis of the biofeedback data.

For example, if the body temperature is 38 degrees, the warning can be set. If the temperature is 39 degrees, the warning can be set. If the temperature is 40 degrees or more, the risk can be set.

The worker information storage unit 121 may store an identifier of the wearable device 110 of each worker and information on the sensor unit 111 that is disposed in the wearable device 110 or connected separately.

This is because the same sensor may be attached to all of the workers, but it is to manage the case where additional sensors are attached to each worker according to the physical condition or psychological state of the worker.

On the other hand, the location information storage unit 122 may store location information for confirming the location of the current worker based on the location-related information received from the wearable device 110. [

To this end, the location information storage unit 122 stores the detailed location of the work place corresponding to the GPS position coordinates, the detailed location of the work place corresponding to the identifier of the network repeater installed at the work place, and the signal strength of the network repeater installed at the work place And the detailed position of the work place depending on the position of the worker.

On the other hand, the monitoring group generation unit 123 can identify one or more peripheral workers existing within a specific range based on the current worker, based on the current position information of the worker, and generate and manage them as one monitoring group.

Here, the 'monitoring group' may refer to a peripheral worker who is able to quickly monitor and cope with a dangerous situation for a certain worker in case of a dangerous situation.

The monitoring group generation unit 123 may periodically update the monitoring group based on the position-related information received from the wearable device 110 of each worker.

At this time, the monitoring group generating unit 123 may update the monitoring group by reflecting the movement of the worker belonging to the monitoring group.

For example, if a particular operator moves, the monitor group based on the operator may be updated and the monitoring group of other operators whose worker is the surrounding worker may also be updated.

If a specific worker among the workers belonging to the monitoring group is in a dangerous state, a risk notification message is transmitted to the wearable device 110 of all the workers belonging to the monitoring group as well as the wearable device 110 of the worker in a dangerous state , And the surrounding workers can quickly respond to the dangerous situation that occurs to a specific worker.

On the other hand, the biofeedback data analysis unit 124 may analyze the physical condition and the psychological state of the worker based on the biofeedback data of the worker periodically received from the wearable device 110, and determine whether or not the abnormality exists.

For example, the biofeedback data analysis unit 124 can determine the concentration state and the drowsiness state of the operator using biofeedback data measuring blinking of brain waves and eyes, and can determine biofeedback data such as respiration, oxygen saturation, The data can be used to determine the operator's difficulty breathing.

In addition, the athlete's condition, high-temperature symptoms, etc. of the operator can be determined using the biofeedback data measuring the skin temperature, and the blood glucose status of the worker having diabetes can be determined using the biofeedback data measuring the blood glucose.

The biofeedback data analysis unit 124 may analyze the biofeedback data to determine whether the physical condition and the psychological state of the worker are abnormal. The biofeedback data analysis unit 124 may determine based on a reference value of each biofeedback data, Can be managed step by step such as 'normal-care-risk'.

Meanwhile, the analysis unit 125 can transmit the body and psychological states of the worker analyzed by the bio-feedback data analysis unit 124 to the wearable device 110 of the worker and the monitoring terminal 130 of the manager.

If the physical condition or the psychological state of the worker is determined to be in a dangerous state, the analysis result providing unit 125 notifies the wearable device 110 of the dangerous state to all the surrounding workers in the monitoring group of the worker, You can send at least one of the worker's name, the type of risk status, and the coping manual.

4 is a flowchart illustrating a disaster prevention process using a wearable device according to an embodiment of the present invention.

4, the wearer wears the wearable device 110 on the wearer's body, and the wearable device 110 and the service server 120 are connected to each other.

The wearable device 110 transmits the biofeedback data of the worker and the position related information of the worker obtained through the sensor unit 111 to the service server 120 (S401).

After S401, the service server 120 analyzes the physical condition and the psychological state of the worker using the biofeedback data received from the wearable device 110. [

The service server 120 grasps the current location of the worker using the location-related information received from the wearable device 110, and creates a monitoring group including other workers in the vicinity based on the current location of the worker S402).

After S402, the service server 120 analyzes the biofeedback data to determine whether the physical condition of the worker and the psychological state are in a dangerous state (S403).

If not, the service server 120 transmits the analysis result of the biofeedback data to the monitoring terminal 130 of the manager and the wearable device 110 of the worker (S404).

If it is determined in step S403 that the corresponding worker is in a dangerous state, the service server 120 transmits the manager information to the monitoring terminal 130 of the manager, the wearable device 110 of the worker, and the wearable device 110 of the peripheral worker (Step S405).

On the other hand, the components of the above-described embodiment can be easily grasped from a process viewpoint.

That is, each component can be identified as a respective process. Further, the process of the above-described embodiment can be easily grasped from the viewpoint of the components of the apparatus.

In addition, the above-described technical features may be implemented in the form of program instructions that can be executed through various computer means and recorded in a computer-readable medium.

The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination.

The program instructions recorded on the medium may be those specially designed and constructed for the embodiments or may be available to those skilled in the art of computer software.

Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like.

Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like.

The hardware device may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

It will be apparent to those skilled in the art that various modifications, additions and substitutions are possible, without departing from the spirit and scope of the invention as defined by the appended claims. Should be regarded as belonging to the following claims.

100: Disaster Prevention System
110: a wearable device
111:
112: Communication
113: Output section
113a:
113b: Speaker
113c: Lamp
114: emergency notification input unit
115: Power supply
120: service server
121: Worker information storage unit
122: Position information storage unit
123: Monitoring group generating unit
124: biofeedback data analysis unit
125: Results of analysis
130: Monitoring terminal

Claims (10)

In a wearable device,
A sensor unit for acquiring biofeedback data of an operator;
A communication unit for transmitting the biofeedback data and the position related information to a service server and receiving an analysis result of the biofeedback data from the service server; And
An output unit for outputting the received analysis result,
, ≪ / RTI &
The output
If there is a worker in the monitoring group to which surrounding workers existing within a certain range based on the worker belongs, the worker who has reached the criterion set as the dangerous state, such as the physical condition or the psychological condition, To the wearable device.
The method according to claim 1,
The sensor unit
A wearable device disposed in the wearable device and contacting the body of the worker,
Wherein the wearable device is separated from the wearable device and brought into contact with the body of the worker.
The method according to claim 1,
An emergency situation notification input unit for manually outputting an emergency situation notification by the operator or the worker in the vicinity,
≪ / RTI >
The method of claim 3,
The emergency situation notification input unit
Wherein the emergency situation notification is requested when there are two input units and both of the two input units are selected.
A service server for preventing a disaster by using a wearable device worn by an operator,
When the wearer's biofeedback data and the position-related information are received from the wearable device, the wearer can grasp the position of the wearer on the basis of the position-related information, A monitoring group generation unit for generating a monitoring group;
A biofeedback data analyzer for analyzing the biofeedback data and determining whether the physical condition and the psychological state of the operator are abnormal; And
Providing analysis results of the biofeedback data to the monitoring terminal of the wearable device and the manager;
, ≪ / RTI &
The analysis result providing unit
Wherein when the physical condition or the psychological state of the worker reaches a criterion set as a dangerous state as a result of the analysis of the biofeedback data, information about the worker and the risk status of the worker To the service server.
6. The method of claim 5,
The biofeedback data analysis unit
Wherein the type of the abnormality occurrence is determined when an abnormality occurs in the physical condition and the psychological condition of the operator,
The analysis result providing unit
And providing at least one of a type of the anomaly occurrence and a manual to cope with the type of the anomaly in a message informing the dangerous situation.
6. The method of claim 5,
The location-
The GPS coordinates of the wearable device, the identifier of the network relay device to which the wearable device is connected, and the signal strength of the wearable device and the network relay period,
The monitoring group generating unit
Wherein the current location of the operator is identified based on at least one of GPS coordinates of the wearable device, a cover area corresponding to the identifier of the network repeater, and position information according to the signal strength.
6. The method of claim 5,
The monitoring group generating unit
Periodically updating the monitoring group,
Wherein at least one of a change of the position of the operator and a change of a position of the worker in the vicinity is reflected.
A method of preventing a disaster by using a wearable device worn by a service server by a service server,
(a) when the wearer's bio feedback data and position related information are received from the wearable device, grasping the position of the worker based on the position related information;
(b) generating a monitoring group by extracting surrounding workers existing within a predetermined range based on the detected position of the operator;
(c) analyzing the biofeedback data to determine whether the physical condition and the psychological state of the operator are abnormal; And
(d) providing analysis results of the biofeedback data to the monitoring terminal of the wearable device and the manager
, ≪ / RTI &
The step (d)
Wherein when the physical condition or the psychological state of the worker reaches a criterion set as a dangerous state as a result of the analysis of the biofeedback data, information about the worker and the risk status of the worker And a message for notifying the user of the wearer's disability.
10. The method of claim 9,
The step (b)
Periodically updating the monitoring group,
Wherein the updating is performed by reflecting at least one of a position change of the worker and a change of a position of the worker around the worker.

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