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WO2018199377A1 - Système de guidage automatique pour corriger une posture assise - Google Patents

Système de guidage automatique pour corriger une posture assise Download PDF

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Publication number
WO2018199377A1
WO2018199377A1 PCT/KR2017/005975 KR2017005975W WO2018199377A1 WO 2018199377 A1 WO2018199377 A1 WO 2018199377A1 KR 2017005975 W KR2017005975 W KR 2017005975W WO 2018199377 A1 WO2018199377 A1 WO 2018199377A1
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WO
WIPO (PCT)
Prior art keywords
transverse
posture
center
shift vector
correct
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2017/005975
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English (en)
Korean (ko)
Inventor
최세진
김종성
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marveldex Inc
Original Assignee
Marveldex Inc
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 Marveldex Inc filed Critical Marveldex Inc
Publication of WO2018199377A1 publication Critical patent/WO2018199377A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A61B5/103—Measuring 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 or 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
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
    • A61B5/0024—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system for multiple sensor units attached to the patient, e.g. using a body or personal area network
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/742—Details of notification to user or communication with user or patient; User input means using visual displays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • 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
    • A61B2562/0247—Pressure sensors

Definitions

  • the present invention relates to a correct sitting posture automatic guidance system for automatically analyzing a sitting posture of a seated person using a chair or a cushion to derive the correct sitting posture.
  • Patent Application No. 2014-0045020 'Sitting position analysis system and method' Patent Application No. 2014-0148418 'Seat position measuring device
  • Seating posture analysis system and method' patent Patent Application No. 10-2015-0051169 discloses a number of inventions, including a seat-based data analysis system for improving self-regulation ability.
  • the present invention provides a correct sitting posture automatic induction system, a pressure sensor array (array) that is embedded in a chair or a cushion, a plurality of pressure sensors are arranged in a row in the horizontal direction, and the plurality of A seat package having a package side control unit for calculating a pressure value measured from the pressure sensor; And receiving the pressure value from the package side controller in a wired or wireless manner, and a transverse seating range and a transverse seating contour center made by the seater through the outermost point where the pressure value is measured among the plurality of pressure sensors.
  • COC center of mass
  • COM center of mass
  • the terminal-side control unit may be configured to execute a warning or a program for deriving the correct posture when the lateral posture variation vector lasts for a predetermined time within a predetermined error range.
  • the correct sitting posture automatic guidance system may further include a server configured to store a warning or program for correct posture guidance and wirelessly transmit the program to the portable electronic device.
  • the pressure sensor array and a plurality of pressure sensors are arranged in a chair or a cushion, arranged in a row in the left and right directions, the plurality of pressures
  • a seat package including a package side control unit for calculating a pressure value measured from a sensor, and an alarm unit for correct posture induction operated by an external input; And receiving the pressure value from the package side controller in a wired or wireless manner, and extracting a transverse seating range and a transverse seating contour center made by the seater through the outermost point where the pressure value is measured among the plurality of pressure sensors.
  • a terminal side controller configured to extract a lateral posture shift vector having a directional weight center as an end point, and to operate the alarm unit by wire or wireless when an absolute magnitude of the lateral posture shift vector is larger than a predetermined value. It provides a correct sitting posture automatic guidance system comprising a portable electronic device.
  • the storage unit may further include a display unit configured to periodically store the lateral posture variation vector by the terminal side controller, and to display the stored posture variation vector in time series by the terminal side controller. It may be.
  • the correct sitting posture induction system the lateral posture shift vector is periodically received and stored wirelessly by the terminal side control, and transmits the stored lateral posture shift vector to the portable electronic device or the
  • the server may further include a server for wirelessly inquiring according to a request of the portable electronic device.
  • the portable electronic device may further include a display unit configured to display at least information on the transverse posture shift vector among information on the transverse contour center, the transverse weight center, and the transverse posture shift vector extracted by the terminal side controller. It may also include.
  • the sitting posture of the seated person can be analyzed more accurately and efficiently by a pressure sensor array built into the chair or the cushion. Therefore, it is possible to make accurate posture diagnosis in accordance with the seated position of the seated person, and to suggest a proper customized correction method for the seated position.
  • FIG. 1 is a perspective view of a pressure sensor array that is one component of a correct sitting posture automatic guidance system according to an embodiment of the present invention
  • Figure 2 is a plan view showing a state in which the pressure sensor array of Figure 1 is built into the chair
  • 3A to 3C are plan views illustrating an example of sitting on the pressure sensor array of FIG. 2;
  • Figure 4 is a block diagram of a correct sitting posture automatic guidance system according to an embodiment of the present invention.
  • FIG. 5 is a flowchart illustrating a method of driving the correct sitting posture automatic guidance system of FIG.
  • FIG. 6 and 7 are front views exemplarily showing display screens of a portable electronic device which is one component of the correct sitting posture automatic guidance system shown in FIG. 4;
  • FIG. 8 is a rear view showing an example of seating to be measured
  • FIG. 9 is a schematic view for explaining the arrangement of the pressure sensor and the posture analysis according to the comparative example with the present invention.
  • FIG. 10 is a schematic diagram illustrating a case where the arrangement of the pressure sensor and the embodiment of the present invention are the same, but the posture analysis is different;
  • FIG. 11 is a schematic view for explaining the arrangement of the pressure sensor and the posture analysis according to the embodiment of the present invention.
  • FIG. 12A and 12B are front views illustrating examples in which a seating range is displayed on a display screen of a portable electronic device that is one component of the correct sitting posture automatic guidance system illustrated in FIG. 4;
  • FIG. 13A to 13D illustrate examples in which a transverse sitting contour center, a transverse center of gravity, and a transverse posture shift vector are displayed on a display screen of a portable electronic device that is one component of the correct sitting posture automatic guidance system illustrated in FIG. 4.
  • a transverse sitting contour center a transverse center of gravity
  • a transverse posture shift vector are displayed on a display screen of a portable electronic device that is one component of the correct sitting posture automatic guidance system illustrated in FIG. 4.
  • the correct sitting posture automatic guidance system includes a pressure sensor array 10 as shown in FIG.
  • the pressure sensor array 10 is embedded in the chair 1 or cushion as shown in FIG. 2 and used to measure the pressure distribution of the seated person's sitting position.
  • the pressure sensor array 10 has a structure necessary to efficiently and accurately measure the pressure distribution according to the seated position of the seated occupant, and in particular, as a result of the repeated and in-depth test performed by the inventor of the present invention, as shown in FIGS. 1 and 2.
  • the main band 12 is used for analyzing a structure consisting of a front band 11, a main band 12, and a rear band 13, in particular, a sitting posture based on a transverse direction of a seated person. It was found that taking the structure of a plurality of pressure sensors 12a closely arranged in the left and right directions in the
  • the main band 12 is a decisive factor in determining the center of contour (Center Of Contour, COC) and transverse center of mass (COM) of the seated to be described later and the other bands (11, 13)
  • the pressure sensor 12a is placed longer and denser than). In the present embodiment, it can be seen that a total of 15 pressure sensors constituting the main band 12.
  • the pressure sensors 11a and 13a constituting the front front band 11 and the rear rear band 13 place more weight on the presence or absence of the sensing itself than the strength of the sensing signal.
  • the front band 11, the main band 12 and the rear band 13 all extend in the horizontal direction and are arranged next to each other.
  • the main band 12 is disposed between the front band 11 and the rear band 13. Slightly behind the center, ie closer to the rear band 13.
  • the pressure sensor array 10 having the above-described configuration may take a seating position as shown in FIGS. 3A to 3C when the seated person is seated on the chair 1 in a state of being embedded in the chair 1 of FIG. 2. have.
  • FIG. 3A shows the seating shape S1 when the seated person is seated in the correct posture, and the remaining sensors 12a-except for the left and right end sensors 12a-1 and 12a-15 of the main band 12. 2 to 12a-14) the sensing signal is generated.
  • a terminal-side control unit (20 of FIG. 4) to be described later calculates a transverse seating range and a transverse seating contour center (COC) made by the seater based on the presence or absence of the sensing signals.
  • the horizontal seating contour center (COC) at this time Becomes the center (COC1) of the transverse seating range defined by the sensor 12a-2 and the sensor 12a-14 which are the left and right outermost sensors in which the sensing signal exists.
  • the method of calculating the transverse contour center (COC) is as follows.
  • COC (coordinate of the sensor on the far left of the pressure detected sensor + coordinate of the sensor on the far right of the pressure detected sensor) / 2
  • the terminal-side control unit 20 can obtain the strength of the signal sensed by each of the sensors 12a-2 to 12a-14, that is, the magnitude of the pressure, the strength of these pressures and each corresponding sensor. Based on the positions of (12a-2 to 12a-14) it is possible to calculate the center of mass of the seated person (Center Of Mass, COM, COM1 in Figure 3a).
  • X is the center of gravity (COM)
  • x is the horizontal coordinate of each pressure sensor cell
  • m is the pressure value.
  • the controller 20 may be implemented to send a guide message leading to the correct posture.
  • a sensing signal is generated from a total of 12 sensors from the left end sensor 12a-1 to the sensor 12a-12 of the main band 12, and the remaining three ends No signal is generated in the sensors 12a-13 to 12a-15. Therefore, in this case, the transverse seating contour center COC2 becomes the center of the sensor 12a-1 and the sensor 12a-12 at the left end, and the sensors 12a-1 to 12a-12 in which the sensing signal is present.
  • the horizontal center of gravity (COM2) is determined by the position of) and the pressure distribution being sensed.
  • the lateral sitting contour center COC2 and the lateral center of gravity COM2 coincide with each other, and the control unit 20 determines that the seated person is sitting in a correct posture. However, if necessary, the control unit 20 may be implemented to send a guide message to move to the center of the chair to sit.
  • a sensing signal is generated at the intermediate sensors 12a-4 to 12a-12 of the main band 12, and has a contour center COC3 at the intermediate point thereof, and has a center of gravity ( COM3) also corresponds to the contour center COC3, so that the controller 20 may make a determination with the correct posture.
  • COM3 center of gravity
  • the control unit 20 determines that the seated person does not maintain a correct seating posture in the front and rear directions, and thus sits in the front and rear directions. It may also be implemented to send a message to sit in the correct posture with respect to position, ie in the case of FIG. 3C.
  • a sensing signal is generated in the three sensors on the left side, for example, when a seated person crosses one leg. If the sensing signal does not occur, it may be determined that the correct seating posture has not been maintained, and the message may be sent to sit in the correct posture.
  • signals received from the plurality of pressure sensors 12a constituting the seating shapes S1 to S3 as illustrated in FIGS. 3A to 3C for a predetermined time, for example, the main band 12, are within a predetermined error range.
  • the terminal side control unit 20 may be implemented to send a message recommending a break or a message introducing a stretching program.
  • the pressure sensor array 10 as described above, as shown in Figure 4, the microcomputer 30 for generating a sensing signal, the seat package (2) together with the communication unit 40 for wireless transmission (Fig. 2) 1) can be embedded on the side.
  • the terminal-side control unit 20 is a portable electronic device such as a smart phone together with a wireless transmitter / receiver unit 50 for wirelessly receiving a sensing signal and a storage unit 60 storing various messages and stretching programs as described above. It can be built in (3).
  • FIG. 5 illustrates a procedure executed by the terminal-side control unit 20 as described above.
  • the main band 12 is first. From the sensing signal received from the transverse sitting contour center (COC) of the sitting shape is calculated (S10), and then the transverse direction in the sitting shape based on the strength of the signal detected by each sensor, that is, the strength and position of the pressure. Calculate the center of gravity (COM) (S20).
  • COC transverse sitting contour center
  • COM center of gravity
  • the lateral posture shift vector V having the calculated lateral sitting contour center COC as the starting point and the lateral center of gravity COM as the end point is extracted, and the absolute of the lateral posture shift vector V is extracted. If the size is larger than the predetermined set value C, it is determined as an incorrect posture, and a guide for inducing the correct posture is notified in the form of a message (S40).
  • the display unit 71 is a kind of output unit (80 of FIG. 4). Output a message via.
  • an alarm may be output through a speaker (not shown) which is a type of the output unit 70.
  • the alarm may be output through the alarm unit 80, which may be additionally provided at the seat package 2 side. That is, the control signal generated by the terminal side control unit 20 is such that the alarm unit 80 is operated through the seat package 2 side control unit 30 wirelessly through the wireless transmission / reception unit 50. This allows the seated person to take a correct posture by sensing vibration and / or warning sounds.
  • the stretching program stored in the storage unit 60 is executed by clicking the corresponding 'button' and coaching the seated person's stretching.
  • the storage unit 60 has been described as already stored in the seated portable electronic device 3.
  • the present invention is not limited to this case, and if necessary, the storage unit 60 may be stored in a separate server 4.
  • a warning message and a program for deriving a posture may be stored and wirelessly transmitted according to a request from the portable electronic device 3.
  • the terminal-side control unit 20 periodically stores, for example, the lateral posture shift vector V calculated as described above, in the storage unit 60 every hour, and according to the user's selection. 20 may be displayed in time series on the display unit 71 of FIG. 6.
  • the lateral posture shift vector V may be received and stored by the terminal side controller 20 to the server 4 through the wireless transceiver 50.
  • the server 4 may wirelessly transmit the stored transverse posture disparity vector V according to a request of the portable electronic device 3 or inquire wirelessly at the request of the portable electronic device 3. You can also
  • the seated person does not sit exactly on the cushion Even sitting around 1cm ⁇ 2cm may cause errors in the perception of the posture. For example, if the seated person is sitting in a chair but is sitting on the left side and is inclined to the right (see FIG. 8), the seated person may be incorrectly determined to be tilted to the left.
  • the transverse disparity vector (V) based on the transverse seating contour center (COC) as in the present invention, even if the user is slightly biased to one side on the sensor, the seated person can be correctly recognized to the left or to the right. have.
  • the transverse posture disparity vector V of -6.0 is only extracted. It is the result of considering only the center line (C) of the seat without considering the seating position of the seated person.
  • the senor may also calculate incorrect information. That is, even though the seated person is actually tilted to the right side, the controller may incorrectly calculate that it is tilted to the left side, or even recognize that the seated person is tilted to the right side, and thus may not recognize the degree and give a warning.
  • the transverse posture shift vector V should be calculated by recognizing not only the dense sensor 12a but also the left and right contours of the seating site. That is, in FIG. 11, since the three rightmost sensors do not recognize the pressure, the seated position may recognize the bias toward the left. Based on this, the contour can be extracted, and it can be seen that the reference point, which is the horizontal contour center (COC), moves to the left (specifically, the left end sensor 12a-1 and the 12th sensor 12a-12). Middle half of the point).
  • COC horizontal contour center
  • the terminal-side control unit 20 is also displayed on the display unit 71 based on the coordinates of the sensor located on the leftmost side of the sensor that the pressure of the main band 12 is recognized and the sensor located on the rightmost side where the pressure is recognized.
  • the seating range as shown in 12a can be indicated.
  • the seating range may be displayed by switching to a method of displaying the left and right free space of the seated chair as shown in Figure 12b.
  • transverse seating contour center (COC), the transverse center of gravity (COM) and the transverse posture shift vector extracted by the terminal-side control unit 20 are as shown in FIGS. 13A to 13D. It can also be displayed in).
  • the transverse sitting contour center is represented by the center line 101
  • the transverse weight center is represented by the sitting image 102
  • the transverse posture shift vector 103 is represented by numbers and arrows.
  • the transverse sitting contour center is represented by a letter (coc) and a center line 104
  • the transverse center of gravity is represented by a letter (com) and an arrow 105
  • the transverse posture shift vector 106 is represented by numbers and symbols. It can be seen.
  • the transverse sitting contour center is the letter coc and the center line 107
  • the transverse center of gravity is the letter com and the coordinate point display 108
  • the transverse posture shift vector 109 is the number and the sign. It can be seen that.
  • the transverse sitting contour center is the letter coc and the center line 110 together with the seating range 110a
  • the transverse center of gravity is the letter com and the line and arrow 111
  • the transverse posture shift vector is the letter com and the line and arrow 111
  • 112 is represented by a number and a sign.
  • the transverse seating contour center, the transverse center of gravity, and the transverse posture shift vector are displayed as they are in the present invention, but the present invention is not limited thereto.
  • Displaying information about the transverse posture shift vector by adjusting and displaying the inclined direction and the inclined angle of the character sitting on the chair in proportion to the direction and magnitude of the transverse posture shift vector. It can also depend on how.
  • FIG. It is also possible to display information about the transverse posture disparity vector via the direction and distance from the transverse sitting contour center (coc) of the indication.
  • the screen color of the display 71 stepwise in yellow, orange, and red according to the magnitude of the transverse posture shift vector, information about the transverse posture shift vector may be displayed.

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  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

La présente invention concerne un système de guidage automatique pour corriger une posture assise, le système guidant une posture assise correcte par analyse automatique de la posture assise d'une personne assise utilisant une chaise ou un coussin, et comprenant : un ensemble siège intégré dans une chaise ou un coussin et ayant un réseau de capteurs de pression dans lequel une pluralité de capteurs de pression sont agencés dans une ligne dans les directions droite et gauche ; et un dispositif électronique portable, qui extrait un centre transversal de contour (COC) à travers le point le plus extérieur auquel une valeur de pression est mesurée à partir de la pluralité de capteurs de pression, calcule, sur la base de valeurs de pression mesurées par la pluralité de capteurs de pression, un centre transversal de masse (COM) de manière à extraire un vecteur de variation de posture transversale ayant le centre transversal de contour en tant que point de départ et ayant le centre transversal de masse en tant que point de fin, et exécute un avertissement ou un programme pour corriger un guidage de posture si la dimension absolue du vecteur de variation de posture transversale est supérieure à une valeur de consigne prédéterminée. Par conséquent, un diagnostic de posture précis peut être effectué de façon à être approprié pour la posture assise d'une personne assise.
PCT/KR2017/005975 2017-04-28 2017-06-08 Système de guidage automatique pour corriger une posture assise Ceased WO2018199377A1 (fr)

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KR1020170054771A KR101766220B1 (ko) 2017-04-28 2017-04-28 올바른 앉은 자세 자동 유도 시스템
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CN120056818A (zh) * 2025-04-14 2025-05-30 东风汽车有限公司东风日产乘用车公司 车辆侧翼调节方法及电子设备

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TWI682306B (zh) * 2018-05-22 2020-01-11 仁寶電腦工業股份有限公司 定向裝置、定向方法以及定向系統
KR102158334B1 (ko) * 2018-11-29 2020-09-21 (주)모어씽즈 사용자의 무게 중심점의 변화를 추적하여 사용자의 자세를 검출하는 장치 및 방법
KR102240241B1 (ko) 2019-02-07 2021-04-13 동서대학교 산학협력단 Fsr 어레이 기반의 자세분류기법을 이용한 자세정보 모니터링 시스템
KR102294958B1 (ko) * 2020-05-20 2021-08-27 주식회사 에이치씨랩 자세 교정을 안내하는 전자 장치 및 그 전자 시스템
CN115046683B (zh) * 2022-06-16 2025-03-25 东南大学 轮椅乘员体姿重心的精密快速检测装置及方法

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