EP1727602A1 - Positionsgeber und bewegungsanalyseverfahren - Google Patents
Positionsgeber und bewegungsanalyseverfahrenInfo
- Publication number
- EP1727602A1 EP1727602A1 EP04723558A EP04723558A EP1727602A1 EP 1727602 A1 EP1727602 A1 EP 1727602A1 EP 04723558 A EP04723558 A EP 04723558A EP 04723558 A EP04723558 A EP 04723558A EP 1727602 A1 EP1727602 A1 EP 1727602A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- analysis method
- position sensor
- transmitter
- movement
- impact
- 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.)
- Granted
Links
- 230000033001 locomotion Effects 0.000 title claims abstract description 102
- 238000004458 analytical method Methods 0.000 title claims abstract description 51
- 230000001133 acceleration Effects 0.000 claims description 18
- 208000011580 syndromic disease Diseases 0.000 claims description 5
- 230000036461 convulsion Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000010009 beating Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000012549 training Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 238000002604 ultrasonography Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 8
- 230000009466 transformation Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 210000000707 wrist Anatomy 0.000 description 3
- 208000016285 Movement disease Diseases 0.000 description 2
- 201000006623 congenital myasthenic syndrome 10 Diseases 0.000 description 2
- 241000288673 Chiroptera Species 0.000 description 1
- 208000004117 Congenital Myasthenic Syndromes Diseases 0.000 description 1
- 241001108995 Messa Species 0.000 description 1
- 206010028347 Muscle twitching Diseases 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/36—Training appliances or apparatus for special sports for golf
- A63B69/3623—Training appliances or apparatus for special sports for golf for driving
- A63B69/3632—Clubs or attachments on clubs, e.g. for measuring, aligning
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/36—Training appliances or apparatus for special sports for golf
- A63B69/3676—Training appliances or apparatus for special sports for golf for putting
- A63B69/3685—Putters or attachments on putters, e.g. for measuring, aligning
-
- 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
- A63B2220/05—Image processing for measuring physical parameters
-
- 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
- A63B2220/802—Ultra-sound 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
- A63B2220/805—Optical or opto-electronic 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
- A63B2220/89—Field sensors, e.g. radar systems
Definitions
- the invention relates to a position transmitter and a motion analysis method.
- the invention is therefore based on the object to measure the movement during playing golf and especially when putting and improve.
- the invention is based on the recognition that when learning slowed movements such as putting often systematic movement errors are also unnoticed. Fast ballistic movements are always carried out purely by motor and are therefore self-organizing. In contrast, slowed down movements always carried out strongly strategy-bound. Strategic movement errors in slow movements such as putting are often not noticed by the golfer himself, and even the trainer can hardly recognize them with the naked eye. For example, the so-called Yips syndrome in golf leads to an unconscious •• twitching of the hand and the wrist during short play, making precise execution of the striking motion impossible. With conventional training methods, the Yips syndrome can not be treated, on the contrary, the symptoms worsen with increased practice on and on.
- the invention therefore encompasses the general technical teaching of detecting and analyzing the movement of a golf club in a device-supported manner by means of a corresponding motion analysis method.
- strengths and weaknesses of the individual movement sequence are reproduced in detail and allow a targeted and thus extremely efficient training.
- movement problems such as Yips syndrome can be measured early and objectively.
- the derived information can be the first specific treatment of these movement problems.
- a position sensor is provided in the context of the invention, which is detachably mounted on a golf club to determine the spatial position and / or orientation of the golf club.
- the position transmitter preferably receives or transmits at least one position signal which serves to determine the position and / or orientation of the golf club.
- the invention is not limited to detecting the position or orientation of a golf club, but Basically applicable to other ball sports equipment, such as billiards, cricket bats or the like. For ease of understanding, however, the invention will be explained below with reference to a golf club.
- the position transmitter is preferably an active position transmitter which transmits at least one position signal which is detected by a stationarily arranged receiver, the position and / or orientation of the golf club being determined on the receiver side as a function of the received position signal.
- the position transmitter mounted on the golf club is passive and has a receiver for receiving a position signal from a stationary transmitter, the position and / or orientation of the golf club being in turn receiver side depending on the position signal is determined.
- the position signal is preferably an ultrasound signal which can be transmitted, for example, at a measurement rate between 100 Hz and 400 Hz, the measurement rate in the preferred exemplary embodiment of the invention being 300 Hz.
- the use of an ultrasonic signal as a position signal allows a spatial resolution of about 0.1 mm, which can reveal the smallest details of the movement in a motion analysis and also allows the identification of movement disorders, such as the YlPS syndrome, which are not visible to the naked eye.
- the invention is not limited to an acoustic signal in terms of the position signal.
- the position signal can also be an optical or act a magnetic signal.
- the movement measuring components may for example be based on the principle of optical position determination with cameras or scanning with laser light, and the measuring sensors consist of reflective and / or actively illuminated marking points or optically sensitive measuring surfaces.
- the motion measurement components can operate according to the principle of position determination by means of magnetic fields.
- the position sensor may also have one or more acceleration sensors that detect a movement of the golf club.
- the position transmitter mounted on the golf club has at least three transmitters or receivers so that the position of the individual transmitters or receivers can be exactly determined by triangulation and subsequent coordinate transformation.
- the individual transmitters or receivers are preferably arranged in a common plane, and form the shape of a triangle.
- the individual transmitters preferably radiate essentially in the same direction, wherein the individual transmitters can have a radiation angle of up to 180 °, so that the position transmitter or an associated control unit only has to be roughly aligned with the associated receivers.
- one of the transmitters is preferably arranged in one plane with the shaft of the golf club, while the other two transmitters are arranged on opposite sides of this plane. This arrangement of each transmitter allows advantageously a simplified and exact coordinate transformation and thus an accurate position determination.
- the attachment of the position sensor according to the invention is preferably carried out on the shaft of the golf club, wherein the attachment is preferably detachable and can be done for example by a compression fitting.
- the position transmitter is preferably rotatable about the shaft of the golf club, wherein a gauge can be used to align the position sensor in the direction of rotation relative to the golf club.
- the releasable attachment of the position sensor according to the invention on the golf club is advantageous because it is also a training device in the position sensor and different golf clubs to be compared.
- a trial of various golf clubs with the position sensor according to the invention allows the direct selection of the individually optimal golf club, which is otherwise only possible by prolonged use of various golf clubs.
- the actual determination of the position or orientation of the golf club is preferably carried out by a stationarily arranged control unit, whereby .the control unit is connected to the transmitters and the receivers to perform a transit time measurement and thereby the position and orientation of the position sensor and connected to the position sensor Golf club to determine.
- a conventional control unit can be used, as it is marketed, for example, by zebris Medical GmbH, Max-Eyth-Weg 42, 88316 Isny (Germany) under the brand names CMS-20 or CMS10.
- the raw data determined by the known control units described above are subjected to a kinematic analysis in order to obtain golf-specific information about the course of the movement for golf training and, in particular, training for putting.
- the following impact parameters can be determined from the position and / or the orientation of the golf club: Duration of the backswing - duration of the throughswear meeting time Symmetry of the meeting point Symmetry of the velocity profile
- the variabilities of all 28 parameters are preferably calculated with multiple beat repetitions (typically 5 beats).
- the individual impact parameters are preferably normalized in order to be able to easily recognize and quantitatively evaluate deviations in the norm of the individual impact parameters.
- beat parameters are preferably represented graphically within the scope of the movement analysis method according to the invention, wherein the representation can be carried out together with stored comparison values in order to be able to recognize deviations and movement disorders.
- FIG. 1 shows a movement analysis system according to the invention for training putting in playing golf
- FIG. 2 shows a position transmitter according to the invention which can be mounted on a golf club
- FIG. 3 shows an enlarged view of FIG. 1 with the position transmitter of FIG. 2 mounted on the golf club
- FIGS. 5 and 6 show various screen representations which are generated in the context of the motion analysis method according to the invention
- FIG. 7 shows an alternative embodiment of a motion analysis system according to the invention.
- FIG. 1 shows a golfer 1 with a golf club 2 when putting, wherein on the shaft of the golf club 2, an active position sensor 3 is detachably attached, which is shown in detail in Figure 2 and described below.
- the position sensor 3 has two clamping screws 4, 5 on r with which the position sensor 3 can be releasably secured to the shaft of the golf club 2.
- the orientation of the position sensor 3 in the direction of rotation about the shaft of the golf club 2 is effected by a gauge which is not shown for the sake of simplicity.
- the position sensor 3 consists essentially of a middle part 6, at the free end of an ultrasonic transmitter 7 is mounted, the middle part 7 branches at the opposite end in two side arms 8.1, 8.2, at the free end of each further ultrasonic transmitter 9 and 10 is arranged.
- the ultrasound transmitters 7, 9, 10 are arranged in one plane and radiate in the same direction, wherein the individual ultrasound transmitters 7, 9, 10 have an emission angle of 180 ° each and a maximum measurement distance of about 2 m and a total measurement rate 300 Hz.
- a connection to which a fourth sensor can be connected for the separate measurement of wrist movements.
- the Wrist movements are mainly used in the measurement of
- the movement analysis system can also process other measurement signals, if the position transmitter 3 on the golf club -2 uses a position transmitter attached to the body of the golfer 1. With such a position sensor, additional body movements such as movements of the head, shoulders, back and back can be made the hips are measured.
- these body-related signals can be registered with a second measuring sensor at the time, which is connected to the same arithmetic unit via a second control unit. The signals from the movement of the golf club 2 and the movement signals of the body can then be analyzed and evaluated synchronized in time. With such a measuring unit for the first time, the relationship between a good performance in short golf game and the associated body-related movements can be measured.
- the motion analysis system can be operated synchronized with other measuring systems, for example for the time-synchronous determination of the ground reaction forces by means of a force distribution measuring plate.
- the position transmitter 3 is connected via the cable 11 to a control unit 12, which can be designed conventionally.
- the control unit 12 may be, for example, the CMS10 or CMS20S measuring system marketed by zebri_s Medical GmbH, already mentioned in the introduction.
- the communication between the position transmitter 3 and the control unit 12 can alternatively also be wireless, for example by an optical signal.
- a signal transmitter eg infrared
- a shortened cable which, for example, is attached to the belt of the golfer 1. is strengthened and controls an additional receiver.
- Control unit 12 connected to the arithmetic unit 19.
- Control unit 12 may in this case also be integrated in measuring sensor 14 or combined with computing unit 19.
- control unit 12 is connected via a further cable 13 with an ultrasonic transducer 14, which may be carried out conventionally per se and, for example, together with the above-mentioned measuring systems from the company zebris Medical GmbH available.
- the sensor 14 is in this case arranged on a stand and has three ultrasonic receivers 16, 17, 18, which are arranged in a plane in the form of a triangle and aligned coaxially and co-ordinarily on the position sensor 3 in order to transmit ultrasonic signals from the ultrasonic transmitters 7, 9 and 10 to receive.
- the control unit 12 controls the ultrasonic transmitters 7, 9 and 10 via the cable 11 for the delivery of ultrasonic pulses, which are detected by the ultrasonic receivers 16-18 and transmitted via the cable 13 to the control unit 12.
- the transit times of the ultrasonic pulses of the ultrasonic transmitters 7, 9, 10 to the reception by the ultrasonic receivers 16-18 are transmitted from the sensor 14 via the cable 13 to the control unit 12 and from there via a data interface to the arithmetic unit 19.
- the arithmetic unit 19 calculates the positions of the individual ultrasound transmitters 7, 9, 10 in three-dimensional space by means of triangulation from the transit time of the ultrasound pulses. From this raw data, the position data of the golf club 2 are then calculated by the arithmetic unit 19 by coordinate transformation in real time. The position data of the golf club 2 are displayed in real time. nalyzed, the results optionally displayed on a screen 20 and stored for further analysis in a measured value file. An operator input is possible via an input device 21.
- the position transmitter 3 is fastened to the shaft of the golf club 2 such that the ultrasonic transmitter 7 is located centrally in front of the shaft of the golf club 2, while the side arms 8.1, 8 protrude the shaft of the golf club 2.
- This arrangement of the position sensor 3 enables an exact position determination by a triangulation of the ultrasound pulses emitted by the three ultrasound transmitters 7, 9, 10.
- FIGS. 4a to 4e show the motion analysis method according to the invention in the form of a flow chart.
- the entire system in this procedure section is calibrated to allow accurate position detection.
- the club head of the golf club 2 is calibrated in the horizontal direction precisely to the intended target ("alignment"), in vertical direction the club head is calibrated for inclination with respect to the vertical (“loft ⁇ " ).
- the ultrasound transmitters 7, 9, 10 of the position transmitter 3 continuously emit ultrasonic signals which are received by the U-Ltra- sound receivers 16 to 18 of the sensor 14.
- the control unit 12 then measures the transit time of the ultrasound signals between the emission by the ultrasound transmitters 7, 9, 10 of the position transmitter 3 and the reception through the ultrasound receivers 16 to 18 of the sensor 14.
- the arithmetic unit 19 calculates the positions of the ultrasound transmitters 7, 9, 10 from these measured transit times and the position and orientation of the clubhead from these positions by coordinate transformation, whereby a defined orientation of the position sensor 3 relative to the golf club 2 is taken as a basis.
- the impact movements within the continuous data stream are automatically identi fied according to precisely defined criteria, which takes place in the process section in Figure 4c.
- Different criteria are combined with each other in a combination of time sequences, direction of movement and dynamics of movement.
- the golf club 2 must be kept quiet for a certain time (for example, 1 second). Then the bat must hit a certain minimum speed in a negative direction away from the target. Within a certain time, the backward movement must then be stopped and transition into a forward movement without transition. Within a certain time then a certain forward speed must be exceeded. Within a certain time then the club speed must fall below a certain threshold to indicate the batting end. If one of the given conditions is not met, the measurement cycle will be aborted and the movement will be rejected as invalid.
- the z associated position data and the golf club head alignment 2 are stored together with the respective measuring points for subsequent flapping motion analysis.
- the hit moment is calculated from the data flow.
- a combination of the position of the beginning of the impact, the club head height, and the measured impact impulse of the ball on the golf club 2 in the acceleration signal is used.
- Determining the impact time can also be used in addition to the golf club 2 mounted accelerometer.
- the data of the individual stored movements are automatically subdivided into 7 different movement sections. These sections are: 1) Beginning of the backswing,
- the 28 different movement parameters are then calculated, some of which are shown by way of example in the screen printouts from FIGS. 5 and 6.
- the maximum speed and the maximum acceleration of the club head of the golf club 2 are precalculated. All calculated data curves can be graphically displayed and, together with the associated motion parameters, combined with each other on the screen or printed out.
- the motion parameters determined in this way are normalized by a transformation into corresponding Z values, the Z values together forming a competence profile, which is graphically represented in FIG.
- a so-called overall performance index is calculated from the Z values, which represents the performance of the respective golf player 1.
- a competence profile of a known golfer can be read out as a reference and graphically displayed on the screen.
- this competence profile serving as a reference is shown in the center as a gray shaded field, whereas the actually determined Z values of the golfer 1 appear as black bars, which partly lie outside the bandwidth of the competency profile serving as a reference.
- FIG. 7 The exemplary embodiment of a motion analysis system according to the invention shown in FIG. 7 largely corresponds to the motion analysis system described above and shown in FIG. 1, so that reference is largely made to the above description to avoid repetition and the same reference numerals are used below for corresponding components.
- the position sensor 3 in this case has a plurality of acceleration sensors which detect the acceleration of the position sensor 3, from which the control unit 12 in conjunction with the arithmetic unit 19 can calculate the position and orientation of the golf club 2.
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2004/003237 WO2005094949A1 (de) | 2004-03-26 | 2004-03-26 | Positionsgeber und bewegungsanalyseverfahren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1727602A1 true EP1727602A1 (de) | 2006-12-06 |
EP1727602B1 EP1727602B1 (de) | 2011-06-22 |
Family
ID=34957112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04723558A Expired - Lifetime EP1727602B1 (de) | 2004-03-26 | 2004-03-26 | Positionsgeber und bewegungsanalyseverfahren |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050215335A1 (de) |
EP (1) | EP1727602B1 (de) |
AT (1) | ATE513598T1 (de) |
WO (1) | WO2005094949A1 (de) |
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US11308821B2 (en) | 2015-12-17 | 2022-04-19 | Viewlicity Gmbh | Method and device for analysis of movement of a piece of sports equipment |
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JP2006524798A (ja) * | 2003-02-13 | 2006-11-02 | ネクセンス リミテッド | 様々なパラメータの高感度測定を行なうための装置、およびそのような装置で特に有用なセンサ |
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US20060141433A1 (en) * | 2004-12-28 | 2006-06-29 | Hing Cheung C | Method of detecting position of rectangular object and object detector |
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DE102006005558B4 (de) * | 2005-02-21 | 2015-12-10 | Zebris Medical Gmbh | Ballsport-Trainingssystem |
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DE102005046085B4 (de) * | 2005-09-26 | 2007-08-16 | Hgm Gmbh - Haag Golf Messtechnik | Verfahren zur Messung von Treffmomentfaktoren eines Golfschlägers |
WO2007064726A2 (en) | 2005-11-29 | 2007-06-07 | Pure Motion Inc. | Position determining apparatus and related method |
US7815516B1 (en) * | 2005-12-02 | 2010-10-19 | Mortimer Bruce J P | Method and apparatus for golf club swing training |
DE102006008333B4 (de) * | 2006-02-20 | 2008-10-02 | Frontier Semiconductor, San Jose | Vorrichtung und Verfahren zum Training der Bewegung eines Schlägers zum Schlagen eines Balles, insbesondere für das Golfspiel, für Baseball, für Tennis und für Eishockey |
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US9604118B2 (en) | 2008-10-09 | 2017-03-28 | Golf Impact, Llc | Golf club distributed impact sensor system for detecting impact of a golf ball with a club face |
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2004
- 2004-03-26 EP EP04723558A patent/EP1727602B1/de not_active Expired - Lifetime
- 2004-03-26 AT AT04723558T patent/ATE513598T1/de active
- 2004-03-26 WO PCT/EP2004/003237 patent/WO2005094949A1/de not_active Application Discontinuation
- 2004-09-30 US US10/954,711 patent/US20050215335A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
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See references of WO2005094949A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11308821B2 (en) | 2015-12-17 | 2022-04-19 | Viewlicity Gmbh | Method and device for analysis of movement of a piece of sports equipment |
Also Published As
Publication number | Publication date |
---|---|
EP1727602B1 (de) | 2011-06-22 |
WO2005094949A1 (de) | 2005-10-13 |
US20050215335A1 (en) | 2005-09-29 |
ATE513598T1 (de) | 2011-07-15 |
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