WO2022234673A1 - Dispositif de présentation de vibrations, procédé de présentation de vibrations et programme - Google Patents

Dispositif de présentation de vibrations, procédé de présentation de vibrations et programme Download PDF

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Publication number
WO2022234673A1
WO2022234673A1 PCT/JP2021/017567 JP2021017567W WO2022234673A1 WO 2022234673 A1 WO2022234673 A1 WO 2022234673A1 JP 2021017567 W JP2021017567 W JP 2021017567W WO 2022234673 A1 WO2022234673 A1 WO 2022234673A1
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WO
WIPO (PCT)
Prior art keywords
muscle
vibration
asymmetric signal
agonist
antagonist
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PCT/JP2021/017567
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English (en)
Japanese (ja)
Inventor
有信 新島
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日本電信電話株式会社
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Priority to PCT/JP2021/017567 priority Critical patent/WO2022234673A1/fr
Publication of WO2022234673A1 publication Critical patent/WO2022234673A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer

Definitions

  • the present invention relates to technology for presenting vibrations to people.
  • Non-Patent Document 1 a navigation system using asymmetric vibration has been proposed.
  • a prime mover measuring unit that measures a biosignal of a prime mover muscle
  • an antagonistic muscle measurement unit that measures the biological signal of the antagonistic muscle
  • an asymmetric signal generation unit that generates an asymmetric signal by synthesizing the biosignal of the agonist muscle and the biosignal of the antagonist muscle
  • a vibration presenting unit that presents vibration using the asymmetric signal as an input signal
  • a technique in the technique for generating asymmetric vibration, a technique is provided that enables generation of various input signals without preparing input signals in advance.
  • FIG. 4 is a flow chart showing an operation procedure of the vibration presentation device 100.
  • FIG. FIG. 3 is a diagram showing an example of implementation of the vibration presentation device 100.
  • FIG. FIG. 4 is a diagram showing waveforms when the wrist is extended;
  • FIG. 4 is a diagram showing waveforms when the wrist is flexed;
  • FIG. 4 is a diagram showing an example of time windows; It is a figure which shows the hardware configuration example of an apparatus.
  • the muscle sounds of two muscles in a specific region that have a relationship of agonist and antagonist muscles are simultaneously measured, and the two muscle sounds are processed and mixed. This creates an asymmetric signal.
  • Asymmetric vibration can be presented by using the generated asymmetric signal as the input signal of the vibration speaker.
  • agonist muscles and antagonist muscles are muscles that exist in pairs on one side and the other side of the joint.
  • FIG. 1 shows a configuration example of a vibration presentation device 100 according to this embodiment.
  • the vibration presentation device 100 includes an agonist muscle sound measuring unit 110 that measures the muscle sound of the agonist muscle and an antagonist muscle sound measuring unit 120 that measures the muscle sound of the antagonist muscle. , an asymmetric signal generation unit 130 that synthesizes two muscle sounds to generate an asymmetric signal, and a vibration presentation unit 140 that presents vibration using the generated asymmetric signal as an input signal.
  • the agonist muscle sound measurement unit 110 and the antagonist muscle sound measurement unit 120 may be called the agonist muscle sound measurement unit 110 and the antagonist muscle sound measurement unit 120, respectively.
  • FIG. 2 is a flowchart showing the operation procedure of the vibration presentation device 100.
  • S101 the agonist muscle sound measurement unit 110 measures the muscle sound of the agonist muscle
  • the antagonist muscle sound measurement unit 120 measures the muscle sound of the antagonist muscle.
  • the asymmetric signal generation unit 130 converts the respective waveforms of the muscle sound of the agonist muscle and the muscle sound of the antagonist muscle into absolute values, and then calculates the difference.
  • the vibration presenting unit 140 presents the vibration to the person holding the vibration presenting unit 140, for example.
  • FIG. 3 shows a configuration according to an implementation example of the vibration presentation device 100 shown in FIG.
  • the vibration presentation device 100 has microphones 210 and 220 , a PC (personal computer) 230 , an amplifier (amplifier) 240 and a vibration speaker 250 .
  • the microphones 210 and 220 are examples of the agonist muscle sound measuring unit 110 and the antagonist muscle sound measuring unit 120 in FIG. PC 230 is an example of asymmetric signal generator 130 .
  • the amplifier 230 and the vibration speaker 250 are examples of the vibration presentation unit 140 . Note that the amplifier 230 may be configured to be included in the vibration speaker 250 .
  • each part of the vibration presentation device 100 may be placed at a remote location.
  • microphones 210 and 220 are provided at a place A where a person to be measured for muscle sounds of agonist muscles and antagonist muscles is present, and a computer functioning as a PC 230 is provided as a virtual machine on the cloud to present vibrations.
  • An amplifier 240 and a vibration speaker 250 may be provided at a location B (a remote location with respect to the location A) where a person to be a target person is present.
  • ⁇ Measurement example> An example of measurement in this embodiment will be described below.
  • a human wrist will be described below as an example of the specific part. It should be noted that ⁇ extending the wrist'' described below means moving the wrist so that the back of the hand faces the back of the forearm, and ⁇ flexing the wrist'' means moving the palm toward the front of the forearm. It is to move the wrist.
  • the extensor digitorum flexor and flexor digitorum superficialis of the wrist correspond to the relationship between the agonist and antagonist muscles. Therefore, when the wrist is extended, the amplitude of the muscle sound of the extensor digitorum communis increases, and the amplitude of the muscle sound of the flexor digitorum superficialis decreases.
  • Non-Patent Document 1 when a person holding the vibration speaker 250 with a finger by the method shown in Non-Patent Document 1 is presented with vibration by the vibration speaker 250 using the above-described asymmetric signal as an input signal, as shown in Non-Patent Document 1, Or an illusion of traction to the right is generated.
  • the navigation instructions can be intuitively understood. There is an advantage that it can be done systematically.
  • the direction in which the asymmetric signal generation unit 130 moves the part to be measured by the agonist muscle sound measurement unit 110 and the antagonist muscle sound measurement unit 120 coincides with the direction in which the vibration presentation target person is caused to experience the illusion of traction. to generate an asymmetric signal.
  • the person to be subjected to the vibration presentation can be presented with vibration that creates the illusion of traction in the right direction. It is possible to present a vibration that creates the illusion of pulling to the left of the person to whom the vibration is to be presented. Therefore, for example, in a use case of instructing a route from a remote location using the vibration presentation device 100 according to the present invention, the instructor, who is the person to be measured for muscle sound, can vibrate only by bending the wrist in the desired direction. It is possible to tell the remote partner, who is the target of the presentation, which way to go with the illusion of traction.
  • muscle sounds are used as biosignals for generating asymmetric signals, but muscle sounds may be replaced with myoelectric potentials.
  • an asymmetric signal can be generated by synthesizing the myoelectric potential of the agonist muscle and the myoelectric potential of the antagonist muscle in the same manner as in the case of the myoelectric potential.
  • an asymmetric signal may be generated using a biological signal other than muscle sounds and myopotentials.
  • the asymmetric signal is generated by taking the difference between the absolute value of the agonist muscle sound and the absolute value of the antagonist muscle sound. good.
  • the time (time window) of the constant window width is asymmetrically divided into two according to the magnitude of the integral value
  • a waveform of the absolute value of the muscle sound on one side or a waveform obtained by folding the absolute value in the negative direction may be inserted into each divided section.
  • FIG. 6 shows an example of one time window in the above method.
  • the muscle sound A is used as the active muscle sound
  • the muscle sound B is used as the antagonist muscle sound.
  • the time window is asymmetrically divided as shown in FIG. contains the waveform of the absolute value of muscle sound A, and time window B contains the waveform obtained by folding the absolute value of muscle sound B in the negative direction.
  • a means of processing a prepared sine wave (eg, a sine wave of 150 Hz) according to the activities of the agonist muscle and the antagonist muscle may be used.
  • the asymmetric signal may be generated by weighting the positive and negative amplitudes of the sine wave by the values of the integral myotones of the agonist and antagonist muscles, respectively.
  • the asymmetric signal generator 130 can be realized by causing a computer such as a PC to execute a program.
  • the program can be recorded in a computer-readable recording medium (portable memory, etc.) and saved or distributed. It is also possible to provide the above program through a network such as the Internet or e-mail.
  • FIG. 7 is a diagram showing a hardware configuration example of the computer.
  • the computer of FIG. 7 has a drive device 1000, an auxiliary storage device 1002, a memory device 1003, a CPU 1004, an interface device 1005, a display device 1006, an input device 1007, an output device 1008, etc., which are connected to each other via a bus B, respectively.
  • a program that implements the processing in the computer is provided by a recording medium 1001 such as a CD-ROM or memory card, for example.
  • a recording medium 1001 such as a CD-ROM or memory card
  • the program is installed from the recording medium 1001 to the auxiliary storage device 1002 via the drive device 1000 .
  • the program does not necessarily need to be installed from the recording medium 1001, and may be downloaded from another computer via the network.
  • the auxiliary storage device 1002 stores installed programs, as well as necessary files and data.
  • the memory device 1003 reads and stores the program from the auxiliary storage device 1002 when a program activation instruction is received.
  • the CPU 1004 realizes the functions related to the asymmetric signal generator 130 according to the programs stored in the memory device 1003 .
  • the interface device 1005 is used as an interface for connecting external devices. For example, a microphone, amplifier, vibration speaker, etc. may be connected via the interface device 1005 .
  • a display device 1006 displays a GUI (Graphical User Interface) or the like by a program.
  • An input device 1007 is composed of a keyboard, a mouse, buttons, a touch panel, or the like, and is used to input various operational instructions.
  • the output device 1008 outputs the calculation result.
  • the vibration presentation device 100 According to the vibration presentation device 100 according to the present embodiment, it is possible to generate various waveform patterns as asymmetric signals by changing the usage of two muscles without preparing input signals in advance. In addition, even if input signals are not assigned to the keyboard in advance, various input signals can be output by changing the way the muscles are moved.
  • This specification discloses at least the following vibration presentation device, vibration presentation method, and program.
  • (Section 1) a prime mover measuring unit that measures biosignals of prime movers; an antagonistic muscle measurement unit that measures the biological signal of the antagonistic muscle; an asymmetric signal generation unit that generates an asymmetric signal by synthesizing the biosignal of the agonist muscle and the biosignal of the antagonist muscle; a vibration presenting unit that presents vibration using the asymmetric signal as an input signal; A vibrating presentation device.
  • the biological signal is muscle sound, and the asymmetric signal generation unit generates the asymmetric signal by calculating the difference between the absolute value of the muscle sound of the agonist muscle and the absolute value of the muscle sound of the antagonist muscle.
  • the vibration presentation device according to item 1. (Section 3) 2.
  • the vibration presentation device according to claim 1, wherein the biological signal is muscle sound, and the asymmetric signal generation unit generates the asymmetric signal using the integral muscle sound of the agonist muscle and the integral muscle sound of the antagonist muscle.
  • the asymmetric signal generation unit generates the asymmetric signal so that the direction in which the part to be measured by the agonist muscle measurement unit and the antagonist muscle measurement unit is moved coincides with the direction in which the vibration presentation target person is caused to experience the illusion of traction.
  • the vibration presentation device according to any one of items 1 to 3.
  • (Section 5) A vibration presentation method executed by a vibration presentation device, a measuring step of measuring the biosignals of the agonist muscle and the biosignal of the antagonist muscle; a generation step of generating an asymmetric signal by synthesizing the biosignal of the agonist muscle and the biosignal of the antagonist muscle; and a presentation step of inputting the asymmetric signal to a vibration presenting unit and presenting the vibration.
  • (Section 6) A program for causing a computer to function as the asymmetric signal generator in the vibration presentation device according to any one of items 1 to 4.
  • vibration presentation device 110 agonist muscle sound measurement unit 120 antagonist muscle sound measurement unit 130 asymmetric signal generation unit 140 vibration presentation units 210 and 220 microphone 230 PC 240 amplifier 250 vibration speaker 1000 drive device 1001 recording medium 1002 auxiliary storage device 1003 memory device 1004 CPU 1005 interface device 1006 display device 1007 input device 1008 output device

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

Un dispositif de présentation de vibrations selon la présente invention comprend : une unité de mesure d'agoniste qui mesure le signal biologique d'un agoniste ; une unité de mesure d'antagoniste qui mesure le signal biologique d'un antagoniste ; une unité de génération de signal asymétrique qui génère un signal asymétrique par combinaison du signal biologique de l'agoniste avec le signal biologique de l'antagoniste ; et une unité de présentation de vibrations qui reçoit le signal asymétrique en tant que signal d'entrée et présente une vibration.
PCT/JP2021/017567 2021-05-07 2021-05-07 Dispositif de présentation de vibrations, procédé de présentation de vibrations et programme WO2022234673A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010540088A (ja) * 2007-09-27 2010-12-24 イマージョン コーポレーション 触覚フィードバックによる生物学的感知
JP6379075B2 (ja) * 2015-08-03 2018-08-22 日本電信電話株式会社 牽引力発生装置
WO2020250361A1 (fr) * 2019-06-12 2020-12-17 日本電信電話株式会社 Dispositif de guidage de corps vivant, procédé de guidage de corps vivant et programme de guidage de corps vivant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010540088A (ja) * 2007-09-27 2010-12-24 イマージョン コーポレーション 触覚フィードバックによる生物学的感知
JP6379075B2 (ja) * 2015-08-03 2018-08-22 日本電信電話株式会社 牽引力発生装置
WO2020250361A1 (fr) * 2019-06-12 2020-12-17 日本電信電話株式会社 Dispositif de guidage de corps vivant, procédé de guidage de corps vivant et programme de guidage de corps vivant

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