WO2011071197A1 - 광신호를 이용한 인체상태 및 동작 판단 시스템 및 인체 상태 판단 방법 - Google Patents

광신호를 이용한 인체상태 및 동작 판단 시스템 및 인체 상태 판단 방법 Download PDF

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Publication number
WO2011071197A1
WO2011071197A1 PCT/KR2009/007367 KR2009007367W WO2011071197A1 WO 2011071197 A1 WO2011071197 A1 WO 2011071197A1 KR 2009007367 W KR2009007367 W KR 2009007367W WO 2011071197 A1 WO2011071197 A1 WO 2011071197A1
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WO
WIPO (PCT)
Prior art keywords
optical signal
human body
state
transmission path
optical
Prior art date
Application number
PCT/KR2009/007367
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English (en)
French (fr)
Korean (ko)
Inventor
박만규
Original Assignee
에프엔티 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 에프엔티 주식회사 filed Critical 에프엔티 주식회사
Priority to CN2009801581165A priority Critical patent/CN102355851A/zh
Priority to KR1020117012489A priority patent/KR101158521B1/ko
Priority to JP2011549053A priority patent/JP5415564B2/ja
Priority to PCT/KR2009/007367 priority patent/WO2011071197A1/ko
Priority to US13/146,861 priority patent/US20110288782A1/en
Publication of WO2011071197A1 publication Critical patent/WO2011071197A1/ko

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1116—Determining posture transitions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1123—Discriminating type of movement, e.g. walking or running
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0261—Strain gauges
    • A61B2562/0266—Optical strain gauges
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/6804—Garments; Clothes
    • A61B5/6805—Vests
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6831—Straps, bands or harnesses

Definitions

  • the present invention relates to a human state determination technology, and more particularly, the human state and operation determination system and the human body using an optical signal that can determine the state change of the at least one part of the human body, the posture of the human body, the motion state of the human body It relates to a state determination method.
  • a technique for determining the state of the human body based on a human body signal sensed using a plurality of marks and a plurality of cameras are used to capture the movement of the human body.
  • the technology using the mark is inconvenient to attach the mark directly on the skin, and can only judge the movement of the human body, but cannot determine the degree of force applied to the human body, and the three-dimensional change of the human body. It can not have the disadvantage.
  • the technique using a camera is expensive in that it uses an expensive camera first, and similarly to the technique using a mark, a three-dimensional change of a human body cannot be determined.
  • the two technologies described above are difficult to apply to industrial sites in general, and furthermore, it is difficult to apply to urgent and dangerous environments such as fire scenes and emergency situations.
  • the technical problem to be achieved by the present invention is to be worn on at least one part of the human body to determine the state change of the at least one part of the human body, the posture of the human body, and the movement state of the human body simply and quickly, and furthermore, It is to provide a human state determination system and human state determination method that can be applied in industrial sites or dangerous environments.
  • Human body state and motion determination system using the optical signal for solving the technical problem may include an optical signal transmission module, optical signal transmission module, and human body state analysis module.
  • the optical signal transmission module may generate and output an optical signal.
  • the optical signal transmission module may be worn on a part of the human body and may include at least one optical signal transmission path having at least one cut end.
  • the human state analysis module may determine a state change of the human body by calculating a light transmission rate of the at least one optical signal transmission path that is variable based on the interval of the at least one cut end of the at least one optical signal transmission path. Can be. In this case, the interval of the one cut end of the at least one optical signal transmission path may be varied based on the change in the circumferential length of any part of the human body.
  • the human state determination system may be implemented as a sensing device for determining a human state and a human state determination device separated from each other.
  • the sensing device for determining a human state may include an optical signal transmission module for generating and outputting an optical signal, an optical signal transmission module that may be worn on a portion of the human body and has at least one optical signal transmission path having at least one cut end; And a data transmission module configured to transmit data generated based on the optical signal output from the optical signal transmission module to the outside.
  • the interval of the one cut end of the at least one optical signal transmission path may be varied based on the change in the circumferential length of any part of the human body.
  • the human state determination device may determine the state of the human body based on the processed data received from the human state determination sensing device.
  • the apparatus for determining a human condition calculates an optical transmission rate of the at least one optical signal transmission path based on a receiving module that receives the processed data from the sensing apparatus for determining a human condition, and the received processed data. It may include a calculation module for determining a change in the state of the human body based on the calculated light transmission rate.
  • a method of determining a human condition may include generating and outputting an optical signal, which may be worn on a part of the human body and uses at least one optical signal transmission path having at least one cut end. Determining a state change of the human body based on a light transmission ratio of the at least one optical signal transmission path that is varied based on the interval of the at least one cut end of the at least one optical signal transmission path. It may include. In this case, the interval of the one cut end of the at least one optical signal transmission path may be varied based on the change in the circumferential length of any part of the human body.
  • the human state determination method may be implemented by executing a computer program for executing the human state determination method stored in a computer-readable recording medium.
  • the human body state and operation determination system and the human state determination method using the optical signal according to the present invention can be easily and quickly determine the state of a part of the human body, the posture of the human body, the movement state of the human body compared to the prior art. It can be effective.
  • the human body state determination system and the human state determination method according to the present invention have the effect of easily and quickly determining the state of a part of the human body, the posture of the human body, and the movement state of the human body even at a long distance. .
  • FIG. 1 is a block diagram of a human body state and motion determination system using an optical signal according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of an optical signal transmission module illustrated in FIG. 1.
  • FIG. 3 is a conceptual diagram illustrating an optical signal transmission characteristic of an optical signal transmission module.
  • Figure 5 shows a human state analysis module provided integrally to the garment.
  • FIG. 6 is a block diagram of the human state analysis module shown in FIG. 1.
  • FIG. 7 is a flowchart illustrating a method of determining a human state according to an embodiment of the present invention.
  • FIG. 8 is a flowchart illustrating a process of determining a change in state of the human body shown in FIG. 7.
  • the human state determination method according to an embodiment of the present invention may also be embodied as computer readable code on a computer readable recording medium.
  • the human state determination method according to an embodiment of the present invention may be implemented by executing a computer program for executing the human state determination method stored in a computer-readable recording medium.
  • the component when one component 'transmits' data or a signal to another component, the component may directly transmit the data or signal to the other component, and at least one other component. Through this means that the data or signal can be transmitted to the other component.
  • the human state determination system 10 includes an optical signal transmission module 100, an optical signal transmission module 200, a human state analysis module 300, and a user interface 400.
  • the optical signal transmission module 100 may generate and output an optical signal. Although not shown in FIG. 1, the optical signal transmission module 100 may include an optical signal generator and an optical signal transmitter. The optical signal transmission module 100 may be implemented as an LED for generating an optical signal of a specific wavelength. However, the scope of the present invention is not limited thereto.
  • the optical signal transmission module 200 may be worn on a portion of the human body and may include at least one optical signal transmission path having at least one cut end.
  • FIG. 2 is a schematic structural diagram of an optical signal transmission module 200 including one optical signal transmission path shown in FIG. 1. As shown schematically in FIG. 2, the optical signal transmission path includes an optical signal transmission path body 210, at least one connector 220a and 220b for supporting the optical fiber, and an elastic member 230.
  • the interval of the one cut end of the at least one optical signal transmission path may be varied based on the change in the circumferential length of any part of the human body on which the optical signal transmission module 200 is worn.
  • the optical signal transmission path may be implemented as an optical fiber having at least one cut end.
  • the scope of the present invention is not limited thereto.
  • the optical signal transmission path main body 210 serves to support the optical fiber support connectors 220a and 220b and the elastic member 230 and forms an outer surface of the optical signal transmission path.
  • the optical signal transmission path body 210 may be provided to be worn on at least one portion of the human body.
  • the optical signal transmission path body 210 may be worn on each part of an arm, a waist, a thigh, a calf or the like of the human body. Therefore, the optical signal transmission condensation main body 210 is preferably provided with a rubber band. If the optical signal transmission path is manufactured in the form shown in FIG. 5, the optical signal transmission path main body 210 as a rubber band may be worn on each part of the human body as required. However, if the optical signal generation module 200 is provided integrally with the garment, the optical signal transmission path body 210 as a rubber band can be sewn on the garment.
  • the pair of optical fiber support connectors 220a and 220b are provided in the optical signal transmission path main body 210 so that the spacing of the at least one cut end is varied based on a change in the circumferential length of any part of the human body.
  • the optical fiber 201 is supported. In the case of FIG. 2, since the cut region of the optical fiber 201 is one place, a pair of optical fiber support connectors 220a and 220b may be provided only in this place. However, the scope of the present invention is not limited thereto.
  • the optical fiber 201 may have two or more cut ends.
  • the elastic member 230 is coupled to the at least one pair of optical fiber support connectors 220a and 220b to be elastically biased in a direction in which the optical fiber support connectors 220a and 220b approach each other. Therefore, when the optical signal transmission module 200, 200 is worn on any part of the human body, for example, the leg, both free ends of the optical fiber 201 cut as shown in FIG. However, when walking or running, both free ends of the optical fiber 201 cut as shown in FIG. 2 (b) are opened due to the change in the circumferential length of the human body part, and when the operation is stopped again, the elastic member 230 of FIG. Both free ends of the cut optical fiber 201 as in a) are adjacent or in contact. This repetitive mechanism varies the amount of optical signal transmitted at both free ends of the optical fiber 201.
  • connection unit 240 of the optical signal transmission module 100 and the human body state analysis module 300 of the optical signal transmission path may be formed of an optical fiber (or optical fiber) for stable connection with the optical signal transmission module 100 and the human body state analysis module 300. 201) is preferably implemented with a hard material that can protect from the outside.
  • the connection part 240 may be used as a part for tightening and connecting the ends of the optical fiber 201 and may be a place to which a sensor for transmitting an optical signal is attached.
  • the shape of the connection 240 need not be limited to that shown.
  • the human body state determination system 10 is based on the variable amount of the optical signal transmitted by the optical signal transmission module 200 according to the above-described mechanism, that is, based on the light transmission rate.
  • the optical signal transmission module 200 may determine the state change of the human body worn.
  • FIG. 3 is a conceptual diagram illustrating an optical signal transmission characteristic of the optical signal transmission module 200
  • FIG. 4 is a graph showing the light transmission ratio of the optical signal transmission module 200.
  • a light transmission rate (LTR) which is a ratio of an optical signal received from an optical signal receiver to an optical signal output from an optical signal transmitter
  • LTR light transmission rate
  • the light transmission ratio LTR of the optical signal transmission module 200 is based on the change in the circumferential length of the human body on which the optical signal transmission module 200 is worn, that is, the state change of the human body portion. It can be seen that this is variable.
  • FIG. 5 shows a human state analysis system 10 provided integrally with the garment.
  • the white line represents an optical signal transmission path to be worn on each part of the human body.
  • the belt portion of the garment may include an optical signal transmission module 100, the human body analysis module 300.
  • the optical signal transmission path UAR of the upper right arm the optical signal transmission path LAr of the lower right arm, the optical signal transmission path ULr of the upper right leg, and the optical signal transmission path LLr of the lower right leg.
  • the human body state determination system 10 determines the human state by using the light transmission ratio of the optical signal transmission path is divided into fixed postures and periodic exercise states.
  • the light transmission ratio of each optical signal transmission path in a comfortable lying state is set as an initial reference value, and then a process of determining a fixed posture of the human body will be described.
  • the sitting posture can be seen from the light transmission rate of the optical signal transmission path worn on the waist of the human body, and the standing posture is based on the light transmission ratio of the optical signal transmission paths of the upper and lower legs and the waist of the human body. You can find out.
  • the walking state or the running state of the periodic exercise state may be determined by comprehensively considering the light transmission ratios of all the optical signal transmission paths of the nine parts shown in FIG. 5. However, the walking and running states have different magnitudes and periods of change in the light transmission rates.
  • FIG. 6 is a block diagram of the human body analysis module 300 shown in FIG. 1.
  • the human body condition analysis module 300 transmits light of the at least one optical signal transmission path that is varied based on a distance between the at least one cut end of the at least one optical signal transmission path of the optical signal transmission module 200. By calculating the ratio, it is possible to determine the state change of the human body.
  • the human state analysis module 300 includes an optical signal receiver 310, an amplifier 320, an analog-digital converter 330, a data processing module 340, a transmission module 360, and a reception module. 360, a calculation module 370 may be included.
  • the optical signal receiver 310 may receive an optical signal output from the optical signal transmission path of the optical signal transmission module 200, convert the optical signal into an electrical signal, and output the converted optical signal.
  • the optical signal receiver 310 may be implemented as a photodiode driven in response to the received optical signal.
  • the scope of the present invention is not limited thereto.
  • the amplifier 320 may amplify and output the signal output from the optical signal receiver.
  • the analog-digital converter 330 may convert the output signal of the amplifier 320 into a digital signal and output the digital signal.
  • the data processing module 340 may process and output a digital signal output from the analog-digital converter 330.
  • Data processing performed by the data processing module 340 may include processing for sampling the digital signal at a predetermined sampling rate in order to reduce data throughput.
  • data processing performed by the data processing module 340 may include processing for converting a digital signal output from the analog-digital converter 330 into a signal of a predetermined communication standard type. This is only one example, and the scope of the present invention is not limited thereto.
  • the transmission module 360 may transmit the processed data to the outside.
  • the transmission module 360 may transmit the processed data to the outside using a wireless communication network.
  • the wireless communication network may be a Zigbee communication network, a Bluetooth communication network, a WiBro communication network, a wireless Internet network, and the like, but the scope of the present invention is not limited thereto.
  • the receiving module 360 may receive and output data received from the transmitting module 360.
  • the calculation module 370 calculates an optical transmission rate of the optical signal transmission path based on the received data, and determines a state change of a human body wearing the optical signal transmission path based on the calculated optical transmission ratio. can do. As described above, when a plurality of optical signal transmission paths are worn on various parts of the human body, the calculation module 370 may change the state of each part of the human body on which the optical signal transmission paths are worn, the posture of the human body, and the motion state of the human body. Can be determined.
  • the human state analysis module 300 may be implemented as one device and worn on the belt portion of the human body shown in FIG. 5. Then, the transmission module 360 and the reception module 360 connecting between the data processing module 340 and the calculation module 370 may be unnecessary elements in the human body analysis module 300.
  • the optical signal receiver 310, the amplifier 320, the analog-to-digital converter 330, the data processing module 340, and the transmission module 360 described above are implemented as separate human state sensing devices attached to the human body.
  • the reception module 360 and the calculation module 370 may be implemented as separate human body state determination devices separated from the human body.
  • the human state sensing apparatus and the human state determination apparatus may be connected to each other by a transmitting module 360 and a receiving module 360 using a wireless communication network. Then, using the human body state determination system 10 according to an embodiment of the present invention, the observer can monitor the state of the human body remotely from the human body.
  • the human body state determination system 10 may be applied to an industrial site unlike a conventional human state state determination technology. Furthermore, the human state determination system 10 according to the embodiment of the present invention has an advantage that it can be utilized in dangerous and urgent environments such as fire scenes, accident scenes, underwater, and outer spaces.
  • the user interface 400 connected to the human body state analysis module 300 may include various operation means for operating the human body state determination system 10, a calculated light transmission rate, and a state of the human body. It may include at least one of a display device that can display a variety of data according to the operating state of the human body state determination system 10, including various display means for indicating the operating state of the human body state determination system 10.
  • FIG. 7 is a flowchart illustrating a method of determining a human state according to an embodiment of the present invention. With reference to the drawings described above looks at the human state determination method according to an embodiment of the present invention.
  • the optical signal transmission module 200 uses the at least one optical signal transmission path to output the optical signal from the optical signal transmission module 100.
  • the human body analysis module 300 may calculate a light transmission rate of at least one optical signal transmission path, and determine a change in the state of the human body based on the calculated light transmission ratio (S90).
  • FIG. 8 is a flowchart illustrating a process of determining a change in state of the human body shown in FIG. 7. With reference to the drawings described above looks at the process of determining changes in the human state.
  • the amplifier 320 When the optical signal received from the optical signal transmission path by the optical signal receiver 310 is converted into an electrical signal and output (S91), the amplifier 320 amplifies and outputs the output signal of the optical signal receiver 310 (S92). ), The analog-digital converter 330 converts the output signal of the amplifier 320 into a digital signal and outputs it (S93).
  • the data processing module 340 processes and outputs the digital signal, and the transmission module 360 transmits the processed data (S94).
  • the receiving module 360 then receives and outputs the processed data, and the calculating module 370 calculates an optical transmission rate of the at least one optical signal transmission path based on the received processed data, and calculates the calculated data.
  • the state change of the human body is determined based on the light transmission rate (S95).
  • the human state determination method according to an embodiment of the present invention may also be embodied as computer readable code on a computer readable recording medium.
  • the human state determination method according to an embodiment of the present invention may be implemented by executing a computer program for executing the human state determination method stored in a computer-readable recording medium.
  • the computer-readable recording medium includes all kinds of recording devices in which data that can be read by a computer system is stored.
  • computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • the computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.
  • functional programs, codes, and code segments for implementing a method for determining a human state according to an embodiment of the present invention can be easily inferred by programmers in the art to which the present invention belongs.

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PCT/KR2009/007367 2009-12-09 2009-12-09 광신호를 이용한 인체상태 및 동작 판단 시스템 및 인체 상태 판단 방법 WO2011071197A1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2009801581165A CN102355851A (zh) 2009-12-09 2009-12-09 使用光学信号判断人体状态与动作的系统以及判断人体状态的方法
KR1020117012489A KR101158521B1 (ko) 2009-12-09 2009-12-09 광신호를 이용한 인체상태 및 동작 판단 시스템 및 인체 상태 판단 방법
JP2011549053A JP5415564B2 (ja) 2009-12-09 2009-12-09 光信号を用いた人体の姿勢および動作判定システムおよび人体の姿勢および動作判定方法
PCT/KR2009/007367 WO2011071197A1 (ko) 2009-12-09 2009-12-09 광신호를 이용한 인체상태 및 동작 판단 시스템 및 인체 상태 판단 방법
US13/146,861 US20110288782A1 (en) 2009-12-09 2009-12-09 System for determining state and action of human body and method of determining state of human body, using an optical signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2009/007367 WO2011071197A1 (ko) 2009-12-09 2009-12-09 광신호를 이용한 인체상태 및 동작 판단 시스템 및 인체 상태 판단 방법

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2013005980A2 (ko) * 2011-07-06 2013-01-10 에프엔티주식회사 광신호를 이용한 인체상태 및 동작 판단 시스템

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Publication number Priority date Publication date Assignee Title
CN105094326A (zh) * 2015-07-20 2015-11-25 联想(北京)有限公司 信息处理方法及电子设备
WO2017173434A1 (en) * 2016-04-02 2017-10-05 Peabody Steven R Medical diagnostic device, system, and method of use

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