EP3821953A1 - Virtual-reality-trainingssystem - Google Patents

Virtual-reality-trainingssystem Download PDF

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Publication number
EP3821953A1
EP3821953A1 EP20207442.3A EP20207442A EP3821953A1 EP 3821953 A1 EP3821953 A1 EP 3821953A1 EP 20207442 A EP20207442 A EP 20207442A EP 3821953 A1 EP3821953 A1 EP 3821953A1
Authority
EP
European Patent Office
Prior art keywords
frame
person
detector
extension
virtual reality
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.)
Withdrawn
Application number
EP20207442.3A
Other languages
English (en)
French (fr)
Inventor
Jean-Charles TRAN VAN HO
Jean-Baptiste Martin
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.)
Ezygain
Original Assignee
Ezygain
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 Ezygain filed Critical Ezygain
Publication of EP3821953A1 publication Critical patent/EP3821953A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/02—Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for large-room or outdoor sporting games
    • A63B71/023—Supports, e.g. poles
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
    • A63B2024/009—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load the load of the exercise apparatus being controlled in synchronism with visualising systems, e.g. hill slope
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
    • A63B2024/0096—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load using performance related parameters for controlling electronic or video games or avatars
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
    • A63B2071/0638—Displaying moving images of recorded environment, e.g. virtual environment
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
    • A63B2071/0638—Displaying moving images of recorded environment, e.g. virtual environment
    • A63B2071/0644—Displaying moving images of recorded environment, e.g. virtual environment with display speed of moving landscape controlled by the user's performance
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
    • A63B22/0235—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills driven by a motor
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/80—Special sensors, transducers or devices therefor
    • A63B2220/803—Motion sensors
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/80—Special sensors, transducers or devices therefor
    • A63B2220/806—Video cameras
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/80—Special sensors, transducers or devices therefor
    • A63B2220/83—Special sensors, transducers or devices therefor characterised by the position of the sensor
    • A63B2220/833—Sensors arranged on the exercise apparatus or sports implement
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/50—Wireless data transmission, e.g. by radio transmitters or telemetry

Definitions

  • the present invention relates to the practice of a physical exercise, such as those practiced for the rehabilitation of a patient, in a virtual reality environment.
  • Machines Physical exercise using machines is known from the state of the art. Such machines are, for example, used for sports training.
  • Some rehabilitations can be carried out using suitable machines, the structure and properties of which are similar to those used for sports training. It is for example known to use a treadmill fitted with a standing device in order to re-educate a patient's motor functions.
  • the reconstruction of a virtual reality environment requires the presence of a detector of the patient's movements during physical exercise.
  • the processing unit which reconstructs the virtual reality environment then transcribes the movements detected in the virtual reality environment which is projected into the patient's field of vision.
  • the detectors are fixed to the walls of the room where the system is placed or fixedly mounted on tripods arranged around the system. .
  • tripods are susceptible to being moved accidentally. This makes it necessary to recalibrate the system in order to be able to continue the exercise. Otherwise, the movements of the patient are not reproduced faithfully in the virtual reality environment, resulting in significant discomfort for the patient. These regular recalibrations make the use of such systems long and tedious.
  • An object of the invention is to provide a system for the practice by a person of a physical exercise in a virtual reality environment, which is compact and easy to handle, while offering the person a stable and continuous recovery within of the virtual reality environment throughout his physical exercise.
  • the system footprint is reduced, since it is no longer necessary to have additional tripods.
  • the risk of interference is reduced or even eliminated.
  • a system 1 for the practice by a person 10 of a physical exercise comprises a frame 2.
  • the system 1 is particularly suited to the practice by the person 10 of a physical exercise in a virtual reality environment.
  • the system 1 comprises a detector 3 of a movement of the person 10 relative to the chassis 2, the detector 3 being fixedly mounted on the chassis 2, a processing unit 4 configured to reconstitute the virtual reality environment as a function of the detected movement of the person 10 relative to the frame 2, and means 5 for projecting said virtual reality environment into a field of vision of the person 10.
  • fixed mounted is understood to mean the fact that an element is integral with another element during the operation of the system 1, that is to say during a physical exercise performed by a person 10. This does not in any way prejudge the modular and / or removable nature of the elements of the system 1, with respect to each other, outside of the operating phases, for example during the transport or the installation of the system 1.
  • all of the elements which are described as fixedly mounted on the frame 2 are indeed stationary in the terrestrial frame of reference in operation, the person 10 being in motion relative to the frame 2.
  • movement we understand any type of movement of the person 10 relative to the frame of reference of the frame 2, stationary, in operation, in the frame of reference. earthly. Such movements can for example be the walking of the person 10, or a movement of the head or of an upper limb of the person 10.
  • the system 1 can also be used for the practice by a person 10 of a physical exercise without immersion in a virtual reality environment.
  • the person 10 can get rid of the projection means 5.
  • the presence of the processing unit 4 and of the detector 3 does not hinder the physical exercise, since the detector 3 and the control unit. Treatment 4 are not located within Person 10's exercise area.
  • the physical exercise practiced by the person 10 can be of different natures. Indeed, this physical exercise can be part of a sports training or rehabilitation framework.
  • the frame 2 comprises a frame 20 having a first frame end 201 and a second frame end 202, the second frame end 202 preferably being opposite the first frame end 201.
  • the frame 20 extends substantially along a frame plane C, the two frame ends 201, 202 belonging to the plane C. This is not, however, limiting, since the frame 20 can also be in a circular or circular shape. circular part surrounding the person 10 during the practice of physical exercise. In this case, the frame ends 201, 202 form any two points of the circle or of the portion of a circle formed by the frame 20.
  • the frame 20 comprises two longitudinal cross members 21, 22 extending between the first frame end 201 and the second frame end 202.
  • Two transverse beams 23, 24 can advantageously be mounted fixed at the level of the first end of the frame 201, and extend transversely to the main direction of the longitudinal cross members 21, 22.
  • each of the two longitudinal cross members 21, 22 can advantageously rest by its base on a support cross member 25, 26 adapted to be placed on the ground.
  • the frame 2 can however be moved, for example to be stored and / or transported.
  • the frame 2 can advantageously be provided with at least one wheel 250, 260, preferably two or four wheels 250, 260 allowing the frame 2 to roll on the ground in order to simplify handling.
  • Each wheel 250, 260 of the frame 2 can then advantageously be housed at one end of each of the support crossbars 25, 26, as visible on the figure 2 .
  • the system 1 can advantageously comprise two extensions 61, 62.
  • the first extension 61 and / or the second extension 62 is then fixedly mounted at the first end of frame 201 or at the second end of frame 202.
  • each of the extensions 61, 62 is fixedly mounted at the first frame end 201.
  • This configuration can for example be presented in the embodiment where the frame 20 is in a circular or partly circular form, the extensions 61, 62 then being able to be fixedly mounted on the frame 20 at different places of the frame 20 surrounding the person 10.
  • each of the first extension 61 and of the second extension 62 preferably extends in the extension of the frame 20, as for example visible on the figures 1 to 3 .
  • each extension 61, 62 has a first extension end 611, 621 and a second extension end 612, 622, the second extension end 612, 622 preferably being opposite the first extension end 611. , 621, the extension 61, 62 being fixedly mounted on the frame 2 at the level of the second extension end 612, 622.
  • the first extension end 611, 621 is remote from the end of the frame 201, 202 on which said extension 611, 621 is fixedly mounted (in this case the first end of the frame 201 in the embodiment illustrated in figure 3 ) with a length I of between 20 and 70 cm, preferably between 30 and 50 cm.
  • the extensions 61, 62 are advantageously in the form of rods 61, 62 which have the advantage of being compact and of which the fixed mounting on the frame 2 can be implemented easily.
  • the system 1 further comprises four support elements 71, 72, 73, 74, for example plates.
  • Two support elements 73, 74 among these four support elements 71, 72, 73, 74 are fixedly mounted on each of the two extensions 61, 62, preferably at the level of the respective first end 611, 621 of these extensions 61, 62.
  • the two other support elements 71, 72 are, for their part, fixedly mounted on the frame 20, preferably between the first end of the frame 201 and the second end of the frame 202 as visible on the figure. figure 1 .
  • each support element 71, 72, 73, 74 extends substantially along a support plane S.
  • the support plane S is inclined relative to the frame plane C, with an angle a of between 90 ° and 180 °, preferably between 100 ° and 130 °.
  • the line which forms the intersection between the support plane S and the frame plane C is parallel to the ground during the operation of the system 1.
  • the frame 2 also has a coating capable of absorbing a signal emitted by the detector 3 in the direction of the frame 2. This makes it possible to avoid multiple reflections of the signals emitted by the detector 3 which would be. likely to disrupt the reconstruction of the virtual reality environment.
  • the system 1 comprises a treadmill 8.
  • the treadmill 8 is suitable for the practice of walking, for example for the rehabilitation of the lower limbs of a person 10.
  • the system 1 could also include any type of device suitable for the practice of a physical exercise, such as a force platform, a multi-axis motorized platform equipped with force sensors, a support provided with balance monitoring sensors, one or more soles equipped with gait monitoring sensors, the support and the soles then being able to be used with a frame 2 and / or a frame 20 on which the person 10 is likely to lean during the exercise, or a training bike.
  • the conveyor belt 8 is driven by a motor, preferably an electric motor, which can be housed in a housing of the frame 2 provided for this purpose.
  • the speed of the electric motor can be controlled, for example by servo-control, by virtue of measurements taken by speed sensors of the treadmill 8, preferably placed within the treadmill 8.
  • the system 1 comprises sensors of the weight and of the center of pressure of the person 10. At rest, the center of pressure of the person 10 corresponds to the projection of the center of gravity of the person 10 on the ground. During walking, on the other hand, the center of pressure and the projection of the center of gravity are no longer confused. These sensors can then be placed under the surface of the treadmill 8 which comes into contact with the person 10. The measurements taken by these sensors can advantageously be used to analyze the properties of gait and posture of the person during physical exercise.
  • the treadmill 8 is advantageously mounted to pivot on the frame 2. More specifically, the treadmill 8 is capable of pivoting between a low position where the treadmill 8 rests flat on the ground, as illustrated in figure 1 , and a high position where the conveyor belt 8 is brought closer to the frame 20 of the chassis 2, as illustrated in figure 2 .
  • This swiveling character of the conveyor belt 8 makes the system 1 more compact and easier to transport.
  • the treadmill 8 can also be mounted in translation relative to the frame 2.
  • the treadmill 8 is mounted fixed relative to the frame 2, for example in its low position. , and, thus, immobile in the terrestrial frame of reference, during the operation of the system 1. In this way, the movements of the person 10 relative to the treadmill 8 are also detected by the detector 3.
  • the system 1 also comprises a ramp 80.
  • This ramp advantageously facilitates access to the conveyor belt 8 for a person 10 with reduced mobility using a wheelchair.
  • the ramp 80 is attached to one end of the treadmill 8 opposite the end of the treadmill 8 by which the treadmill is pivotally mounted on the frame 2.
  • the system also comprises a verticalization system 9 adapted to verticalize the person 10 from a seated position to a standing position, and to maintain the person 10 in said standing position, optionally by relieving all or part of his weight.
  • the verticalization system 9 is fixedly mounted on the frame 2.
  • the verticalization system 9 comprises two straps 91, 92, each strap having a hooked end 911, 921 and a drive end 912, 922.
  • each strap 91, 92 comprises a loop 910, 920 at its hooking end 911, 921.
  • Each loop 910, 920 is able to cooperate with a complementary loop of a harness arranged at the level of the pelvis of the person 10 practicing physical exercise.
  • the drive end 912, 922 of each strap 91, 92 is also connected to a drive member, for example a motor, preferably electric.
  • Each strap 91, 92 is also passed through an eyelet 230, 240 provided in each of the transverse beams 23, 24 of the frame 2.
  • a person 10 is verticalized, then kept upright, to finally be rested in a seated position, by driving the drive ends 912, 922 and scrolling the straps 91, 92 through the eyelets 230, 240 of the transverse beams 23, 24 of the frame 2.
  • This verticalization can also be controlled by means of a control means connected to the drive member.
  • the detector 3 is fixedly mounted on the frame 2, so as to be able to detect a movement of the person 10 relative to the frame 2. Furthermore, the system 1 advantageously comprises at least one beacon 30 to be worn by the person 10.
  • the detector 3 is configured to emit a signal, for example an electromagnetic signal, in the direction of the person 10 ,.
  • the detector 3 emits a signal in its entire field of view in order to scan all the available space.
  • the detector 3 comprises, for example, at least one laser mounted on motors which make it possible to scan the space in two privileged directions.
  • the detector 3 is configured to encode the angle of emission within the transmitted signal, in a manner known to those skilled in the art.
  • the detector 3 comprises a laser
  • the detector 3 is capable of flashing the laser.
  • the beacon 30 is configured to receive a signal emitted by the detector 3 in the direction of the person 10.
  • the beacon 30 is able to determine its own position and its own rotation.
  • the beacon 30 is able to communicate said position and said rotation to a processing unit 4 of the system 1.
  • the processing unit is then configured to determine a movement of the person 10 relative to the frame 2 from the information. communicated by the beacon 30.
  • the exchanges between the beacon 30 and the processing unit 4 can be carried out by wired communication, or by wireless communication of the “Wifi”, “Bluetooth” or infrared type.
  • the beacon 30 is configured to emit a signal, for example an electromagnetic signal, typically an infrared signal, in the direction of the detector 3.
  • a signal for example an electromagnetic signal, typically an infrared signal
  • the detector 3 is, moreover, configured to communicate with the processing unit 4 in order to communicate to the latter all or part of the movements of the person 10 relative to the frame 2 that said detector 3 has detected.
  • These exchanges can be carried out by wired communication, or by wireless communication of the “Wifi”, “Bluetooth” or infrared type.
  • each detector 3 has a privileged orientation V in a plane parallel to the ground when the system 1 is in operation, which can be represented by a straight line corresponding to the mean sighting direction according to which said detector 3 is suitable for transmitting and / or receiving a signal.
  • the person 10 with a plurality of tags 30, for example at the level of the joints of the person 10, preferably by providing him with a tag 30 per ankle, per knee, per wrist and per wrist. shoulder, but also by equipping the person 10 with a tag at the level of each of his torso and his head.
  • One or more beacons 30 can also be placed on the frame 2 and / or the treadmill 8 in order to facilitate their reconstitution in the virtual reality environment projected in the field of vision of the person 10.
  • the system 1 comprises at least two detectors 3, preferably four detectors 3. At least one, preferably two, detector (s) 3 is (are) placed at an altitude higher than the altitude of the other, preferably the other two, detector (s) 3.
  • the detector (s) 3 positioned at the altitude the highest (ie the furthest from the treadmill 8) allows the detection of the movements of the upper body of the person 10 (eg head, arms, trunk), while the detector (s) 3 positioned at the lowest altitude (ie those closest to the treadmill 8) make it possible to detect the movements of the lower body of the person 10 (ie pelvis, legs).
  • two first detectors 3 are respectively mounted fixed on each of the two extensions 61, 62, the other two detectors 3 being mounted fixed on the frame 20, between the first end of the frame 201 and the second end of frame 202.
  • the term “altitude” denotes the elevation relative to the ground on which the frame rests during the operation of the system 1.
  • the system 1 can comprise a single detector 3 mounted fixedly relative to the frame 2, at an altitude greater than the first end 201 of the frame 2, for example by being mounted fixed on a central extension, mounted fixedly. on the frame 2 between the two longitudinal cross members 21, 22, for example at an equal distance therefrom.
  • the detector 3 is capable of mainly detecting the movements of the upper part of the person 10, typically his head provided with the projection means 5.
  • each pair of detectors 3 being disposed at an altitude different from the altitude of the other pair, is preferred.
  • pairs of detectors 3 improves the detection field of the different limbs of the person 10.
  • the back and forth movement of the legs when walking can be advantageously detected by a pair of detectors. 3, while a single detector 3 would be unable to provide the precise position of a leg when the opposite leg comes to pass through the detection field.
  • each detector 3 is respectively mounted fixed, preferably by its underside, as shown on the figures 1 to 4 , on a support element 71, 72, 73, 74 previously described of the frame 2.
  • the preferred orientation V of each detector 3 is inclined with respect to a plane P orthogonal to the frame plane C, with an angle between 5 ° and 30 °, preferably between 10 ° and 20 °.
  • the projection means 5 are advantageously in the form of a helmet 50 attached to the head of the person 10 practicing physical exercise.
  • a helmet 50 also comprises a projection interface, such as two screens placed side by side and arranged vis-à-vis the eyes of the person 10. This is not, however, limiting, since the projection means 5 may also be present under the lens. glasses shape.
  • the helmet 50 is also capable of forming a beacon 30 operating according to one or the other of the two embodiments described above.
  • the helmet 50 comprises a sensor for the movements of the head of the person 10 during the practice of physical exercise, typically an inertial unit.
  • a sensor for the movements of the head of the person 10 during the practice of physical exercise typically an inertial unit.
  • the movements of the person are transcribed by combining the information extracted from a signal received by at least one beacon 30 integrated into the helmet 50, coming from a detector 3, and the data from the inertial unit.
  • the inertial unit generally behaves in a very reactive manner and provides measurements at a very high frequency, but exhibits a relatively rapid drift.
  • the exchanges between detector 3 and beacon 30 provide the position and the rotation of the helmet 50 very precisely, but with a relatively low frequency.
  • the combination of the inertial unit and of a detector 3 according to the first embodiment described above therefore makes it possible to capture the movements of the person 10 relative to the chassis almost instantaneously.
  • the projection means 5 are capable of exchanging signals with the processing unit 4 in order to restore the field of vision of the person 10 in the virtual reality environment reconstructed by the processing unit. treatment 4 according to the movements detected by the detector 3.
  • the processing unit 4 comprises, for its part, computer processing means capable of acquiring signals coming from the detectors 3 and / or the beacons 30, of carrying out the reconstruction of a virtual reality environment from these signals. , and to emit signals in the direction of the projection means 5 so that the latter can project the virtual reality environment into the field of vision of the person 10.
  • the system 1 is first transported from a storage location to a physical exercise location, for example by rolling the chassis 2 on the ground.
  • the frame 2 is then placed so as to be mounted fixed in a terrestrial frame of reference throughout the physical exercise.
  • the person 10 places himself, or is placed, on the treadmill 8, possibly using the ramp 80 and / or the verticalization device 9.
  • the virtual reality environment is calibrated using the beacons 30 placed on the frame 2 and / or the conveyor belt 8. This makes it possible to transcribe and position the frame 2 and / or the treadmill. treadmill 8 of the virtual reality environment which will be projected into the field of vision of the person 10. In this way, the real evolution of the person 10 is achieved with respect to the same benchmarks in the environment of the person. virtual reality. This makes it possible to secure the practice of physical exercise by preventing the person 10 from hitting the frame 2 and / or leaving the treadmill 8 during the physical exercise.
  • the projection means 5 are then actuated so as to project the virtual reality environment into the field of vision of the person 10. Thanks to the beacons 30 arranged on the different members, it is possible to transcribe a representation of said members in the image. virtual reality environment, and take into account their exact movements, thanks to the cooperation of the detectors 3 and the beacons 30. In this way, the risk of the person 10 falling during the exercise is reduced. Furthermore, it has been observed that the fact of reconstructing certain joints of the person 10 in the virtual reality environment, typically the knees, made it possible to promote the practice of certain physical exercises, such as passing an obstacle on the ground. .

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Rehabilitation Tools (AREA)
EP20207442.3A 2019-11-15 2020-11-13 Virtual-reality-trainingssystem Withdrawn EP3821953A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1912813A FR3103112A1 (fr) 2019-11-15 2019-11-15 Système d’exercice physique en réalité virtuelle

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EP3821953A1 true EP3821953A1 (de) 2021-05-19

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EP (1) EP3821953A1 (de)
FR (1) FR3103112A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220143463A1 (en) * 2020-11-11 2022-05-12 Total Gym Global Corp. Exercise device system and method of using same

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