WO2000077604A2 - Appareil de reeducation - Google Patents

Appareil de reeducation Download PDF

Info

Publication number
WO2000077604A2
WO2000077604A2 PCT/EP2000/005380 EP0005380W WO0077604A2 WO 2000077604 A2 WO2000077604 A2 WO 2000077604A2 EP 0005380 W EP0005380 W EP 0005380W WO 0077604 A2 WO0077604 A2 WO 0077604A2
Authority
WO
WIPO (PCT)
Prior art keywords
user
virtual space
image
space according
virtual
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/EP2000/005380
Other languages
German (de)
English (en)
Other versions
WO2000077604A3 (fr
Inventor
Rainer Beuthner
Philipp Beuthner
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU54044/00A priority Critical patent/AU5404400A/en
Priority to DE10081642T priority patent/DE10081642D2/de
Publication of WO2000077604A2 publication Critical patent/WO2000077604A2/fr
Publication of WO2000077604A3 publication Critical patent/WO2000077604A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B39/00—Increasing wheel adhesion
    • B60B39/02—Vehicle fittings for scattering or dispensing material in front of its wheels
    • B60B39/026—Vehicle fittings for scattering or dispensing material in front of its wheels the material being in gas form

Definitions

  • the invention relates to a virtual space for viewing by a user, comprising a display unit for displaying a calculated image, a data processing unit for calculating the image and an input device for the data processing unit for entering parameters for calculating the image.
  • the invention also relates to a method for generating a virtual environment represented by image contents, in which the image contents are recalculated for a user standing on a footprint in a dynamically changing parameter.
  • Such virtual spaces and methods for creating a virtual environment are known, for example, as cages.
  • the surface on which the user stands is encased in a cube shape by projection areas onto which an image recalculated by a very powerful data processing unit is projected approximately 50 times per second.
  • the environment to be considered is stored as a model in the data processing unit. Using a joystick, the user can move in this model, the view of which is constantly updated for the viewer depending on the input parameters changed using the joystick.
  • virtual spaces are known as a section in the form of monitor representations of well-known video games.
  • the viewer can use various input devices to move around the room and take action in the environment shown.
  • Vehicle simulation applications for training ship operators, aircraft operators or drivers in which accelerating forces occur e.g. can be simulated by the inclinations of a closed capsule for the vehicle driver to be trained.
  • the object of the invention is to provide a virtual space and a method for representing a virtual environment that enable a natural movement experience and therefore in particular can also be used therapeutically in rehabilitation measures.
  • this object is achieved in that an area which is continuously movable at least in one direction for the
  • the movement of the surface is designed to be dynamically changeable by means of motors and / or delay devices, in particular sensors for influencing the motors and / or
  • Delay devices are provided. If, for example, the user is supported by handles, the sensors can detect them and send them to the
  • the load on the user, in particular on the joints, can be more realistic if the movable surface is designed as a plane whose angle of inclination to a horizontal plane is designed to be dynamically changeable about at least one horizontal axis by means of a motor. In this way, cross-trips in inclined terrain can also be simulated.
  • a servomotor adjusts the inclination to that of the model stored in the computer.
  • the movable surface can be shaped concavely as an inner surface, preferably a ball.
  • the movable surface can also be used here inner membrane be formed, which is under internal pressure.
  • a particularly realistic experience of a virtual space results when the display unit is designed as a projection unit of a digitally generated image on an image generator and preferably a 3D module is provided for calculating the image contents for a left and a right eye of the user.
  • a 3D module is provided for calculating the image contents for a left and a right eye of the user.
  • the display unit is assigned shutter glasses.
  • the movable surface is designed as a projection surface.
  • a largely bumpless picture is created since there are no corners.
  • the projection onto the spherical surface can take place from outside or inside. If several, at least three, projectors are provided on the outside, their rays will hit the sphere with increasing distance from the projection axis, which in such a case must be transparent. The brightness of a pixel therefore drops outwards. To this To compensate for the effect, the image can be digitally filtered, changing the image so that it is brighter on the outside. Therefore, the measure is provided that a module for filtering pixels of the image generator is provided in such a way that a uniform brightness distribution is produced on the projection surface.
  • the projector can also be placed inside.
  • the projection surface is then at a much more constant distance from the projector, so that filtering can often be dispensed with.
  • the projector can also be operated within the sphere.
  • the ball can advantageously be built robustly and heavily without adversely affecting the realistic spatial and movement experience, if one
  • the user can be quickly recovered from the ball, since a module is provided for automatically starting from a starting position.
  • FIG. 3 it can be seen that the user 12 is standing on an endless belt 16. As soon as the user executes 12 walking movements, he moves the belt 16. Because of the friction in the deflection rollers 17 which the user 12 has to overcome, reaction forces develop in the handles 14, 15. A distance measuring sensor 18 measures the distance apparently traveled by the user 12. The signal of the displacement sensor 18 is as
  • Input signal for changing the calculation parameters for the image calculation by the computer 11 fed back to its input.
  • the computer 11 calculates constantly updated image contents, which are then transmitted to the imaging unit in the projector 10.
  • a suitable drive 20 for example a piston-cylinder unit, inclines the surface 13 about a horizontal axis 21.
  • Another drive 22 also inclines the surface 13 about a horizontal axis, which is arranged at right angles to the axis 21 and parallel to the running direction of the belt 16.
  • the drive 23 can also be dispensed with and only the image impression of the room generated by the projectors 10 can be shifted by a corresponding solid angle.
  • FIG. 1 Another embodiment is shown as a vertical section in FIG.
  • the space 2 is delimited by a ball 25 which is designed to be stationary.
  • the ball 25, like the projection surfaces 9, is made of transparent material onto which the image contents calculated, in a manner known per se, are projected by projectors 10.
  • the projectors 10 can either be arranged outside the ball 25 or, as shown, centrally at the upper vertex of the ball inside.
  • a spatial impression can also be created acoustically if, as here, a corresponding number of loudspeakers 26 are actuated with an acoustic signal calculated in an analog manner.
  • sensors 27 are mounted in the ball, which detect the location of the user. As soon as the user moves out of the center of the ball 2, this is recognized by the sensors 27, for example ultrasound sensors, and passed on to the computer 11. This changes suitable drives the surface 13 so that the
  • an envelope membrane 28 is provided around a circular plate 29.
  • the friction drive 30 can move the envelope membrane 28 about the vertical axis of the space 2.
  • Friction drive 31 moves the membrane perpendicular to the plane of the drawing, while friction drive 32 can move the membrane parallel to the plane of the drawing. All servo drives of the at least two necessary friction rollers are controlled by the computer.
  • the support foundation on which the plate 29 is supported can be inclined horizontally as desired, so that different terrain inclinations can also be simulated.
  • a ball 33 indicated in broken lines can also be provided, on the surface of which the 12
  • Suitable drives can be used
  • Ball 33 can also be rotated about each spatial axis. For this purpose, it is mounted so that it can move freely by means of the supply of spherical cap 34.
  • the gap between the ball and cap 34 is pressed.
  • the ball 35 can have a large number of small openings. The remaining area between the openings is sufficient to be sufficiently high
  • Two friction wheels 38 and 50 which are provided with a plurality of rollers 39 on their circumference, can rotate the ball in the direction of their imaginary longitude.
  • a similarly designed wheel 49 moves the ball in the direction of its imaginary equator.
  • the energy supply for the projector 10, which is arranged inside the ball 35, is fed inductively from the mains supply 42 via the primary part 40 and secondary part 41 of an inductive transmission system.
  • the secondary part 41 is held magnetically within the sphere of the position shown.
  • the gap present between the primary part 40 and the secondary part 41 is measured by a suitable sensor 48, for example an ultrasonic distance sensor, and its signal is sent to a controller 43 which controls the gap so that it remains constant.
  • Supports 44 can also be attached to the secondary part 41, which support the secondary part 41 with the projector 10 attached to it within the ball 35 if necessary.
  • sensors that detect the user location can also be dispensed with.
  • the user 12 can thus move freely in any virtual space. For example, patients who need circulatory training can do 35 hikes in one area in this sphere perform that can be adapted to the performance of the patient. Controlled by the computer according to the model, the drives can accelerate or decelerate the ball. The distance traveled by the user is either tapped from the shafts of the drives by rotary encoders 48 or by separately arranged displacement encoders.
  • the patient can be given a transmitter that has an emergency button 45. After pressing this button, the ball 35 is returned to its original starting position by an automatically running program, so that the door can then be opened and the user 12 can be saved.
  • the actual position of the ball is e.g. detected by the rotary encoders 48 or the sensor coordinate system 3, which are also evaluated in operation as input signals for the parameters for calculating the current image content.
  • the rehabilitation device according to the invention enables the user to move freely. As a result, it can be used for a variety of therapeutic purposes. In addition, there are countless ways to use it for entertainment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rehabilitation Tools (AREA)
  • Road Repair (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

L'invention concerne un espace virtuel destiné à l'observation par un utilisateur, constitué d'une unité d'affichage servant à l'affichage d'une image calculée et d'une unité de traitement de données servant au calcul de l'image, cette unité de traitement de données comportant un appareil d'entrée utilisé pour l'entrée de paramètres pris en compte dans le calcul de l'image. L'invention concerne également un procédé permettant de produire un environnement virtuel formé par des contenus d'image, environnement dans lequel les contenus d'image sont recalculés de façon dynamique pour un utilisateur se trouvant sur une surface d'appui, en fonction de paramètres variant de façon dynamique. Pour la représentation d'un environnement virtuel permettant d'effectuer des mouvements particulièrement naturels et qui donc puissent être utilisés en particulier en thérapie pour la rééducation, ledit appareil comporte une surface se déplaçant en continu au moins dans un sens, destiné à l'utilisateur et comprenant des capteurs pour l'acquisition de données de déplacement de la surface et/ou des capteurs pour l'acquisition d'une force appliquée et/ou des capteurs pour l'acquisition de la position de l'utilisateur et/ou d'accélérations.
PCT/EP2000/005380 1999-06-10 2000-06-13 Appareil de reeducation Ceased WO2000077604A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU54044/00A AU5404400A (en) 1999-06-10 2000-06-13 Rehabilitation device
DE10081642T DE10081642D2 (de) 2000-06-13 2000-06-13 Rehabilitationsgerät

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19927220.0 1999-06-10
DE1999127220 DE19927220A1 (de) 1999-06-10 1999-06-10 Anti-Aquaplaning-System für Kraftfahrzeuge

Publications (2)

Publication Number Publication Date
WO2000077604A2 true WO2000077604A2 (fr) 2000-12-21
WO2000077604A3 WO2000077604A3 (fr) 2001-08-02

Family

ID=7911280

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/005380 Ceased WO2000077604A2 (fr) 1999-06-10 2000-06-13 Appareil de reeducation

Country Status (3)

Country Link
AU (1) AU5404400A (fr)
DE (1) DE19927220A1 (fr)
WO (1) WO2000077604A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD3886B2 (ro) * 2005-09-22 2009-04-30 Николае Павел КОВАЛЕНКО Simulator
MD3871C2 (ro) * 2005-04-25 2009-10-31 Николае Павел КОВАЛЕНКО Procedeu şi dispozitive de înregistrare şi reproducere a imaginilor dinamice tridimensionale
US8328691B2 (en) 2007-02-14 2012-12-11 Koninklijke Philips Electronics N.V. Feedback device for guiding and supervising physical excercises
AT522019A1 (de) * 2019-01-11 2020-07-15 Cyberith Gmbh Vorrichtung für die simulierte Fortbewegung eines Benutzers

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2811614B1 (fr) * 2000-07-17 2004-01-30 Sylvain Marie Brunie Dispositif evitant les risques d'aquaplanage et de projectio n d'eau lies a la conduite des vehicules a moteur par temps de pluie
DE102005024996B4 (de) 2005-06-01 2025-10-02 Rubin Geier Griffigkeitsmaximierungssystem durch ansaugaktive Bereifung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5562572A (en) * 1995-03-10 1996-10-08 Carmein; David E. E. Omni-directional treadmill
DE4445861C2 (de) * 1994-12-22 1997-04-30 Johannes Lemburg Vorrichtung zur Steuerung eines Elektronikrechners
RU2109336C1 (ru) * 1995-07-14 1998-04-20 Нурахмед Нурисламович Латыпов Способ погружения пользователя в виртуальную реальность и устройство для его реализации
JP3170638B2 (ja) * 1996-08-08 2001-05-28 谷 白糸 仮想現実体験装置
WO1999030271A1 (fr) * 1997-12-05 1999-06-17 LEGUÉ, Raymond, Pierre Appareil de commande d'ordinateur

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD3871C2 (ro) * 2005-04-25 2009-10-31 Николае Павел КОВАЛЕНКО Procedeu şi dispozitive de înregistrare şi reproducere a imaginilor dinamice tridimensionale
MD3886B2 (ro) * 2005-09-22 2009-04-30 Николае Павел КОВАЛЕНКО Simulator
US8328691B2 (en) 2007-02-14 2012-12-11 Koninklijke Philips Electronics N.V. Feedback device for guiding and supervising physical excercises
AT522019A1 (de) * 2019-01-11 2020-07-15 Cyberith Gmbh Vorrichtung für die simulierte Fortbewegung eines Benutzers
WO2020144631A1 (fr) * 2019-01-11 2020-07-16 Cyberith Gmbh Dispositif de simulation du mouvement d'un utilisateur
AT522019B1 (de) * 2019-01-11 2021-01-15 Cyberith Gmbh Vorrichtung für die simulierte Fortbewegung eines Benutzers

Also Published As

Publication number Publication date
WO2000077604A3 (fr) 2001-08-02
DE19927220A1 (de) 2000-12-14
AU5404400A (en) 2001-01-02

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