WO2016052803A1 - Appareil magnétique destiné à fournir une sensation tactile - Google Patents

Appareil magnétique destiné à fournir une sensation tactile Download PDF

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Publication number
WO2016052803A1
WO2016052803A1 PCT/KR2014/010978 KR2014010978W WO2016052803A1 WO 2016052803 A1 WO2016052803 A1 WO 2016052803A1 KR 2014010978 W KR2014010978 W KR 2014010978W WO 2016052803 A1 WO2016052803 A1 WO 2016052803A1
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WO
WIPO (PCT)
Prior art keywords
tactile
magnetic
magnetic field
transmission unit
tactile transmission
Prior art date
Application number
PCT/KR2014/010978
Other languages
English (en)
Korean (ko)
Inventor
도승훈
김형준
Original Assignee
주식회사 씨케이머티리얼즈랩
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
Priority claimed from KR1020140158038A external-priority patent/KR101886711B1/ko
Application filed by 주식회사 씨케이머티리얼즈랩 filed Critical 주식회사 씨케이머티리얼즈랩
Priority to EP14903233.6A priority Critical patent/EP3203353B1/fr
Priority to US15/516,141 priority patent/US10467868B2/en
Priority to EP19177139.3A priority patent/EP3550407B1/fr
Priority to CN201480082285.6A priority patent/CN107077194B/zh
Publication of WO2016052803A1 publication Critical patent/WO2016052803A1/fr
Priority to US16/564,352 priority patent/US10559175B2/en

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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 a magnetic tactile providing device, and more particularly, to a magnetic tactile providing device that provides a tactile feeling to a user by a change in viscosity, stiffness, elastic force, etc. by a magnetic field using a magnetorheological fluid or a magnetorheological fluid. will be.
  • Haptics is a technology relating to the touch, and specifically refers to a technology that allows the user of the electronic device to feel the sense of touch, power, movement through the keyboard, mouse, joystick, and touch screen.
  • visual transmission mainly took place when electronic devices and humans exchange information, but in recent years, haptic technology has attracted attention for more specific and realistic information delivery.
  • an inertial actuator In general, as an actuator for haptic technology, an inertial actuator, a piezoelectric actuator, an electroactive polymer (EAP) actuator, an electrostatic force actuator, and the like are used.
  • An inertial actuator includes an eccentric motor that vibrates with eccentric force generated when the motor rotates, and a linear resonant actuator (LRA) that maximizes the intensity of vibration by using a resonance frequency.
  • Piezoelectric actuators have a beam shape or a disk shape and are instantaneously driven by an electric field.
  • the electroactive polymer actuator attaches a mass onto the electroactive polymer film to generate vibrations by repeated movement of the mass.
  • Electrostatic force actuators are driven by the attraction force between two sheets of glass filled with different charges and the repulsive force generated when the same kind of charge is charged.
  • FIG. 1 shows a perspective view of a conventional haptic device. Schematic diagram.
  • FIG. 1 shows a cross section of a composite piezoelectric actuator / sensor cell 10 with its associated electrodes 11.
  • Synthetic piezoelectric cell 10 comprises an array of piezoceramic fibers 12 in a structural adhesive 13, such as an epoxy material.
  • Each of the electrodes 11 is actuated by a patch of each of the fibers 12 inserted in the structural adhesive 13 shown between the two successive electrodes 11 to be localized at the corresponding position. It can be used to transmit individual control signals so as to generate a normalized haptic effect.
  • Arrow 14 shows how the polarized piezoelectric ceramic material expands or contracts with an applied electric field
  • arrow 15 shows the piezoelectric ceramic polarization generated by the electrodes 11.
  • the conventional haptic technology as described above is merely to transmit a vibration, there is a limit to the transfer of a variety of tactile emotional or complex character information. Therefore, there is a need for research on a tactile transmission structure capable of effectively transmitting more sensitive information and more complex information in addition to simple vibration transmission.
  • an object of the present invention is to provide a magnetic tactile sensation providing apparatus capable of transmitting various tactile senses more emotionally.
  • an object of the present invention is to provide a magnetic tactile providing device capable of feeding back a variety of tactile sensations to a user using the physical properties of the magnetorheological fluid or magnetorheological elastic body.
  • an object of the present invention is to provide a magnetic tactile providing device in which the tactile transmission unit is in the form of one cell and is composed of a plurality of cells, and effectively transmits various tactile information to the user of the device by the strength of the magnetic field. do.
  • a magnetic tactile providing device comprising a tactile transmission comprising magnetic particles, wherein the tactile transmission provides a tactile feeling to the user through deformation by an applied external magnetic field.
  • the tactile transmission unit is in the form of a single cell, and is composed of a plurality of cells, thereby effectively transmitting various tactile information to the user of the device in whole or locally by the strength of the magnetic field.
  • FIG. 1 is a schematic view showing a perspective view of a prior art haptic device.
  • FIG. 2 is a diagram illustrating a configuration of an apparatus for providing magnetic tactile sensations according to an embodiment of the present invention.
  • FIG 3 is a view showing a structure in which the tactile transmission unit is composed of a magnetorheological fluid according to an embodiment of the present invention.
  • FIG. 4 is a view showing a structure in which the tactile transmission part is composed of a magnetorheological elastic body according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating a magnetic tactile providing device in which a tactile transmission part is formed of a plurality of cells according to an embodiment of the present invention.
  • FIG. 6 is a diagram illustrating an example in which the magnetic tactile providing device according to an embodiment of the present invention is applied to a game device.
  • FIG. 2 is a view showing the configuration of a magnetic tactile providing device according to an embodiment of the present invention
  • Figure 3 is a view showing a structure in which the tactile transmission unit is composed of a magnetorheological fluid, according to an embodiment of the present invention
  • 4 is a diagram illustrating a structure in which the tactile transmission part is made of a magnetorheological elastomer according to an embodiment of the present invention.
  • the magnetic tactile providing device is provided in the housing 400 (see FIG. 5) and the housing 400, and interacts with the magnetic field generating unit 200 and the magnetic field change generating the magnetic field.
  • a tactile transmission unit 100 including magnetic particles 101 see FIG. 4).
  • the housing 400 forms an external shape of the magnetic tactile providing device, and the magnetic field generating unit 200 and the tactile transmission unit 100 are provided therein.
  • the magnetic field generating unit 200 may be a flat coil or a solenoid coil, a DC power source or an AC power source may be applied, and may generate a magnetic field having different characteristics according to the type of power source applied. For example, a DC magnetic field is generated when DC power is applied to the magnetic field generating unit 200, and an AC magnetic field is generated when AC power is applied.
  • the magnetic field generating unit 200 is located on one side of the tactile transmission unit 100, for example, the lower part of the tactile transmission unit 100, and the tactile transmission unit (eg, by the magnetic field generated by the magnetic field generating unit 200). 100 may vary in various forms. In particular, when the alternating magnetic field is generated in the magnetic field generating unit 200, the tactile transmission unit 100 vibrates, and when the direct current magnetic field is applied, the stiffness of the tactile transmission unit 100 is changed.
  • the magnetic field generating unit 200 may control the strength, direction, or frequency of the magnetic field, and the intensity (size), direction, frequency, etc., at which the tactile transmission unit 100 is deformed according to the strength, direction, or frequency of the magnetic field. This can change in various forms.
  • the tactile transmission unit 100 uses a magnetorheological fluid or a magnetorheological elastic body, and may be applied in various forms such as hemispherical, rectangular, and polyhedral according to the device or location to be applied.
  • the tactile transmission unit 100 is affected by the magnetic field generated by the magnetic field generating unit 200 provided below, and may provide various kinds of vibration or stiffness by the type, intensity, position or frequency of the magnetic field. Can be. Therefore, the tactile transmission unit 100 may be used as a vibration source for giving a vibration feeling to a user or applied to a device for transmitting a tactile feeling to a user.
  • the tactile transmission unit 100 is an elastic body such as rubber, polymer, magnetorheological elastomer, etc. (Magneto-Rheological Elastomer, MRE), or may be of a structure that seals the magnetorheological fluid in the outer shell 120 is mixed with the elastic body and the magnetorheological elastic body.
  • a magnetorheological fluid is a suspension of magnetic particles 101 whose viscosity changes depending on the strength of an external magnetic field, and generally magnetically polar particles such as ferromagnetic and ferrimagnetic having a diameter of about 0.01 to 100 ⁇ m. Polarizable Particles).
  • the magnetorheological fluid when the magnetic field generated in the magnetic field generating unit 200 is applied, the magnetized magnetic particles 101 form a chain-like microstructure by the interaction, fast response characteristics and high yield under the magnetic field Control fluid with stress.
  • the outer shell 120 is positioned above the insulator 300, and is divided into a flat part 121 and a bent part 122, and the bent part 122 is provided at both sides of the flat part 121 to form a space 110 therein. And a magnetorheological fluid is sealed in the space 110.
  • the flat part 121 and the bent part 122 may be formed of an elastic body or a magnetorheological body.
  • the insulator 300 is inserted between the tactile transmission unit 100 and the magnetic field generating unit 200, and prevents electricity from directly flowing to the tactile transmission unit 100.
  • the tactile transmission unit 100 of the magnetorheological fluid material may provide a sense of vibration when the internal magnetic particles 101 react with an applied alternating magnetic field and a stiffness change when reacting with an applied direct current magnetic field. Furthermore, various kinds of vibration feelings may be provided by changing the strength and frequency of the magnetic field generated by the magnetic field generator 200.
  • the magnetic particles 101 such as iron or ferrite particles of nano or micron size may be formed of a matrix of rubber or other polymer material ( Matrix) material may be distributed within the material 102.
  • the magnetorheological elastomer is an elastic body including the magnetic particles 101 as well as the magnetorheological fluid.
  • the magnetic particles 101 in the magnetorheological body respond to the magnetic field, It is a controllable elastomer that physically changes tensile strength and elongation of the elastic body.
  • the magnetic particles 101 may be magnetically polarizable particles such as ferromagnetic and ferrimagnetic having a diameter of about 0.01 ⁇ m to 100 ⁇ m.
  • the tactile transmission unit 100 made of a magnetorheological elastomer has a vibrational sense when the internal magnetic particles 101 react to an applied alternating magnetic field, and a response to the applied DC magnetic field. It can provide a change in stiffness. Furthermore, various kinds of vibration feelings may be provided by changing the strength and frequency of the magnetic field.
  • FIG. 5 is a diagram illustrating a magnetic tactile providing device in which a tactile transmission part is formed of a plurality of cells according to an embodiment of the present invention.
  • the tactile transmission unit 100 occupies at least one cell 130, the cell 130 may be provided in the housing 400, and a plurality of housings 400 may be formed. In addition, a plurality of tactile transmission units 100 may be formed to correspond thereto.
  • the magnetic field generator 200 may be a planar or solenoid coil of a size or shape corresponding to the cell 130. The magnetic field generator 200 may be formed in plural numbers corresponding to the cells 130. Here, the magnetic field generator 200 may be connected in series or in parallel with the power supply 500 for supplying DC power or AC power, and the power supply 500 may be independently connected to the plurality of magnetic field generators 200. have.
  • a plurality of cells 130 are arranged in the housing 400, and the housing 400 and the cells 130 may form a single layer or a plurality of layers.
  • the magnetic field generator 200 may generate a magnetic field in the entirety of the plurality of cells 130 to vibrate the entirety of the plurality of cells 130 or cause a change in stiffness.
  • the magnetic field may be generated only in the local part of the plurality of cells 130 to cause local vibration or stiffness change.
  • the tactile transmission unit 100 may occupy the plurality of cells 130 to provide not only signals such as alarms such as alarms but also more complicated information such as letters and figures corresponding to each cell as tactile information. In addition to providing text information and the like in contact with the user's skin, it is possible to effectively deliver secret information that requires security.
  • FIG. 6 is a diagram illustrating an example in which the magnetic tactile providing device according to an embodiment of the present invention is applied to a game device.
  • the magnetic tactile providing device may be applied to the game device 600 or the like, and may realize various functions of the game device 600.
  • stiffness variations and local vibrations can be provided to correspond to various game situations.
  • the FPS (First Person Shooting) game can provide the strength of the muzzle aiming and the actual muzzle pull, and whether the target is hit by changing the stiffness and the local vibration, respectively. Since it can be transmitted to the touch through the strength and weakness of vibration or the like in the left and right, the user's immersion and feeling can be increased.
  • the magnetic tactile provision device may be applied to real-time tactile transmission in mobile devices, touch screens, and online games in the IT field, and driving assistance information feedback systems such as a lane departure warning system, a front collision prevention system, and a speeding prevention system in the automotive industry. It can be applied, and also in the medical field can be applied to the pulsator, pressure distribution measurement of human teeth, surgical robots and the like.
  • the tactile transmission unit has a cell shape and is composed of a plurality of cells, thereby effectively transmitting various tactile information globally or locally to the user of the device by the strength of the magnetic field.

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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)
  • User Interface Of Digital Computer (AREA)

Abstract

La présente invention concerne un appareil magnétique destiné à fournir une sensation tactile et, plus particulièrement, un appareil magnétique destiné à fournir des informations tactiles à un utilisateur, au moyen de changements de viscosité, de rigidité et d'élasticité, en raison d'un champ magnétique, à l'aide d'un fluide magnéto-rhéologique ou d'un corps élastique magnéto-rhéologique. Un appareil magnétique destiné à fournir une sensation tactile comprend une unité de transmission de sensation tactile (110) comportant des particules magnétiques (101), l'unité de transmission de sensation tactile (110) fournissant des informations tactiles à un utilisateur au moyen d'un changement dû à un champ magnétique externe qui a été appliqué.
PCT/KR2014/010978 2014-10-02 2014-11-14 Appareil magnétique destiné à fournir une sensation tactile WO2016052803A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP14903233.6A EP3203353B1 (fr) 2014-10-02 2014-11-14 Appareil magnétique destiné à fournir une sensation tactile
US15/516,141 US10467868B2 (en) 2014-10-02 2014-11-14 Magnetic apparatus for providing tactile sensation
EP19177139.3A EP3550407B1 (fr) 2014-10-02 2014-11-14 Appareil magnétique pour fournir une sensation tactile
CN201480082285.6A CN107077194B (zh) 2014-10-02 2014-11-14 磁性触觉提供装置
US16/564,352 US10559175B2 (en) 2014-10-02 2019-09-09 Magnetic apparatus for providing tactile sensation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2014-0133508 2014-10-02
KR20140133508 2014-10-02
KR10-2014-0158038 2014-11-13
KR1020140158038A KR101886711B1 (ko) 2014-10-02 2014-11-13 자성 촉각 제공 장치

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US15/516,141 A-371-Of-International US10467868B2 (en) 2014-10-02 2014-11-14 Magnetic apparatus for providing tactile sensation
US16/564,352 Division US10559175B2 (en) 2014-10-02 2019-09-09 Magnetic apparatus for providing tactile sensation

Publications (1)

Publication Number Publication Date
WO2016052803A1 true WO2016052803A1 (fr) 2016-04-07

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PCT/KR2014/010978 WO2016052803A1 (fr) 2014-10-02 2014-11-14 Appareil magnétique destiné à fournir une sensation tactile

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109314177A (zh) * 2016-11-08 2019-02-05 Ck高新材料有限公司 柔性触觉驱动器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070073125A (ko) * 2006-01-03 2007-07-10 삼성전자주식회사 햅틱 버튼 및 이를 이용한 햅틱 기기
KR20110130005A (ko) * 2010-05-27 2011-12-05 한국과학기술원 자기유변유체를 이용한 외력 반응형 강성발생장치 및 그를 이용한 햅틱제공장치
KR20130068521A (ko) * 2011-12-15 2013-06-26 삼성전자주식회사 전자기기
KR20140000800A (ko) * 2012-06-25 2014-01-06 한국표준과학연구원 촉각 생성장치, 고분자 유전체 기반 구동기, 이를 이용한 촉각 액추에이터, 촉감 액추에이터, 인터페이스 장치, 촉각 피드백 제공장치
WO2014123296A1 (fr) * 2013-02-08 2014-08-14 건국대학교 산학협력단 Dispositif haptique permettant d'induire une somesthésie au moyen d'une stimulation magnétique, et procédé l'utilisant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070073125A (ko) * 2006-01-03 2007-07-10 삼성전자주식회사 햅틱 버튼 및 이를 이용한 햅틱 기기
KR20110130005A (ko) * 2010-05-27 2011-12-05 한국과학기술원 자기유변유체를 이용한 외력 반응형 강성발생장치 및 그를 이용한 햅틱제공장치
KR20130068521A (ko) * 2011-12-15 2013-06-26 삼성전자주식회사 전자기기
KR20140000800A (ko) * 2012-06-25 2014-01-06 한국표준과학연구원 촉각 생성장치, 고분자 유전체 기반 구동기, 이를 이용한 촉각 액추에이터, 촉감 액추에이터, 인터페이스 장치, 촉각 피드백 제공장치
WO2014123296A1 (fr) * 2013-02-08 2014-08-14 건국대학교 산학협력단 Dispositif haptique permettant d'induire une somesthésie au moyen d'une stimulation magnétique, et procédé l'utilisant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109314177A (zh) * 2016-11-08 2019-02-05 Ck高新材料有限公司 柔性触觉驱动器
EP3540799A4 (fr) * 2016-11-08 2020-05-20 CK Materials Lab Co., Ltd. Actionneur tactile flexible
CN109314177B (zh) * 2016-11-08 2022-08-19 Ck高新材料有限公司 柔性触觉驱动器
US11504743B2 (en) 2016-11-08 2022-11-22 Ck Materials Lab Co., Ltd. Flexible tactile actuator

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