WO2016124586A1 - Procédé et dispositif pour détecter, évaluer, réaliser et optimiser des mouvements individuels de sportifs avec une application associée - Google Patents

Procédé et dispositif pour détecter, évaluer, réaliser et optimiser des mouvements individuels de sportifs avec une application associée Download PDF

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Publication number
WO2016124586A1
WO2016124586A1 PCT/EP2016/052166 EP2016052166W WO2016124586A1 WO 2016124586 A1 WO2016124586 A1 WO 2016124586A1 EP 2016052166 W EP2016052166 W EP 2016052166W WO 2016124586 A1 WO2016124586 A1 WO 2016124586A1
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WO
WIPO (PCT)
Prior art keywords
ski
specific
driving style
data
sensors
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PCT/EP2016/052166
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German (de)
English (en)
Inventor
Sämy AUFDENBLATTEN
Fränzi AUFDENBLATTEN
Sandro Claudio BALZ
Original Assignee
Aufdenblatten Sämy
Aufdenblatten Fränzi
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
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Application filed by Aufdenblatten Sämy, Aufdenblatten Fränzi filed Critical Aufdenblatten Sämy
Priority to EP16706805.5A priority Critical patent/EP3254231A1/fr
Publication of WO2016124586A1 publication Critical patent/WO2016124586A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/20—Movements or behaviour, e.g. gesture recognition
    • G06V40/23—Recognition of whole body movements, e.g. for sport training

Definitions

  • This invention relates to a method for detecting, evaluating and making available individual motion profiles of athletes for use and optimization.
  • the method can be used for any sports in which the body of the athlete performs a certain movement and optionally also describes a sports equipment used by him according to a sequence of movements.
  • the golfing where it is mainly about optimizing the tee and thus the movement of the golfer as well as his club with thousands of training strokes. But also in many other sports it is about such movements, such as tennis, athletics, artistic gymnastics and many other sports. Skiing in particular is about the race-specific profiles of skiers, carvers and snowboarders. These should be recorded, evaluated, created and optimized.
  • the procedure is equally applicable to all other sports in general, in which movements are crucial for the sporting results.
  • the method is suitable for all types of winter sports activities that are similar to skiing, which therefore require gliding over the ground, such as when snowblading, cross-country skiing, BigFoot, Telemark, etc. and for all purposes of these winter sports activities, ie for the leisure as well as the professional sports field.
  • the invention relates to an arrangement to capture the necessary data and evaluate targeted, ultimately for the creation of individual movements of athletes individuals, and for the determination of driving style-specific profiles of athletes suitable sports as mentioned in the examples.
  • the data can be managed and compared with an associated app.
  • a professional advice of the athlete in relation to the sports equipment to be used by him is essential for his satisfaction as a customer of a sports shop.
  • This advice is one of the main arguments in favor of buying or renting a sports equipment or, in particular, skiing equipment from the specialist, rather than purchasing it through an online platform.
  • consulting is very much dependent on the salesman, especially due to increasing product diversification.
  • the ski equipment that a customer ultimately chooses is all too often the result of a customer's assessment of the customer's personal information about their driving style and ability, rather than resulting from a technical analysis.
  • self-assessments always present subjective clues and do not qualify as a basis for reliable advice.
  • online retailers With increasing number of online retailers, it is an ever greater challenge for the sports retailer to assert themselves against the latter. Since online retailers have hardly any rents or personnel costs to contest, they deny the sports retailer with lowest prices the cost leadership.
  • a key advantage of the online retail business is the use of data, such as social marketing and keyword marketing. The required information is entered by the customer via a user interface provided by the online retailer, mostly by answering multiple-choice questions. Subsequently, the keywords coupled herewith are evaluated and the customer is given corresponding product recommendations.
  • online Retailers recognize the importance of data analysis in sports, but can hardly implement it individually, because well-founded and objective data is missing. So far, the data collection is done only through a self-assessment and is compared to the conventional consultant-customer relationship is no significant progress. The data of the customer are not collected to create added value, but to replace the consultant / seller.
  • a system-optimized, data-based relationship between consultant and customer is indispensable.
  • the criterion for such a relationship is to be able to offer each interested in buying a sports equipment, for example for a ski, a ski boot or other equipment or accessories associated with the ski equipment optimally tailored to him product or products for one for him perfect ski equipment. It should identify the most convenient products and products most suited to their needs and abilities, with customization more efficient than having the objective, objective data available, which has not been the case so far.
  • a style-specific advice in skiing then allows individualized marketing in winter sports retail.
  • the necessary data for adaptation can only be determined by accurate measurements. But they should be determined with little effort, sound and modern. Instead of relying on customers' self-assessment, their driving skills and preferences should be presented solely in terms of numbers, all measured under real-world conditions. Such data can be collected to a comprehensive, that is, the driving style and driving technique of the customer holistic reproducing profile, which should serve as the basis of sales advice.
  • the evaluation should be made available as needed anywhere and immediately after the end of the measurement by transferring to appropriate hardware, such as smartphones, tablets, Phablets or notebooks and then can be displayed.
  • Another problem for sports retailers is the logistics costs. On the one hand, rents for local shops, especially in well-frequented winter tourism villages, are steadily increasing. At the same time, the assortment in sports retailers is steadily increasing. For the sports retailer, it is simply impossible to store all items in the assortment on site, because the space available is limited and, moreover, the costs for such a large warehouse on site would not pay off. As a result, many a customer is underperforming because they sell him a product that is currently available at the store instead of selling him a better one, but that would first have to be transported from the central warehouse to the store.
  • the object of the present invention is therefore to provide a method and an arrangement for detecting, evaluating, creating and optimizing movements of bodies and sports equipment in the exercise of various sports. These movements should be easy and secure to detect and be generated inexpensively and quickly due to measured in the field in effective sports practice measured data. In addition, the data collection should create greater efficiency in logistics, especially for the product selection of retailers from an assortment.
  • Another object of the invention is the measured data and the results of their evaluations easily and immediately after completion of the measurement location-independent on suitable hardware, such as smartphones, tablets or Phablets to make them available for farming and comparison.
  • This object is achieved by a method for detecting, evaluating, creating and optimizing movements of bodies and sports equipment when practicing various sports, in which at least one of the following measured values is effectively measured during the movement:
  • this object is achieved by an arrangement for detecting, evaluating, creating and optimizing movements of bodies and sports equipment when practicing various sports to support the selection of suitable sports equipment based on the detected movements, which one or more sensors on the sports equipment and / or at one or more items of clothing of the athlete-individual includes, for detecting at least one measured variable during the course of movement by means of this at least one sensor as a technical measuring means.
  • Figure 1 shows a skier in a curve, equipped with the measuring system units of the inventive arrangement
  • FIG. 2 A snapshot of the ski-lock line measured in the terrain when driving effectively
  • FIG. 3 A trajectory measured in the terrain when driving effectively with GPS
  • Figure 4 A speed profile created in the field with effective driving using GPS
  • Figure 5 is an acceleration diagram in the field in effective driving with
  • Figure 6 equipped a ski boot of the arrangement with pressure sensors in its interior and associated pressure diagrams at the designated locations, measured in the field in effective driving;
  • Figure 7 A single sock of the arrangement seen from obliquely behind, with
  • Figure 8 A few socks of the arrangement seen from diagonally forward, with
  • Figure 9 A schematic representation of the application of the method for
  • a skier is recognizable in Figure 1, which is equipped according to the inventive arrangement with a measuring system, namely a device for determining all data of interest. All measuring units can be used separately or in any combination with each other. For holistic data acquisition, however, it is advisable to couple the units together and, as shown in the illustration according to the illustration, to integrate them as input components to form an integrated measuring system.
  • Figure 1 shows a schematic representation of the sensor-equipped skis, on the upper side bending strips 1 are distributed along their length arranged longitudinally. Accordingly, transversely arranged bending strips 2 are mounted along the skis. These bending strips 1, 2 are metallic foils for the present embodiment. In principle, all materials are suitable for the strain sensors, with which tension, pressure and / or bending can be measured. Depending on their elastic deformation, the sensors generate different electrical signals which are transmitted, for example via cables, to an entrained electronic, battery-operated interface 13, which can be plugged into the ski jacket according to FIG. It is also possible to lay the interface 13 in the interior of the ski or in any other garment. The bend thus measured makes it possible to measure the exact shape of the ski at any point in time, sometimes as much as it is convex or concave and how hard it is twisted just where.
  • FIG. shows here the bend of the ski in a snapshot.
  • This line changes continuously over time.
  • the graphically represented curvature thus constantly decreases and decreases.
  • the angle of curvature can be determined for each position so that maximum, minimum and average values for the bending line can then be evaluated.
  • the most important criterion for quantifying the quality of driving skills is the measurement of ski bending. If a ski is due to lack of technology or insufficient force transfer If too little rider weight can not be bent, all the other features of the ski, such as the sidecut or the built-in material, become irrelevant. All such features only come into play when the ski can be adequately flexed by its driver. Therefore, the direct detection of the ski bending line is optimal for creating a driving profile with the inventive arrangement. Instead of directly measuring this bending line, it can therefore be determined indirectly by mathematical conclusions based on the measured forces and the knowledge of the rigidity of the ski.
  • a GPS device 12 is carried as an example in a jacket pocket.
  • the skier has installed the app associated with the arrangement on his smartphone, tablet or phablet, which then represents a GPS track of departure.
  • a stand-alone GPS device 12 could also be arranged on the skis, on the ski boot, on a ski pole or on the ski helmet or on the sock of the driver. It must be said that the best commercially available GPS devices currently achieve a precision of less than one meter. Seen in this way, the exact place of attachment of the skier or his ski equipment still plays a subordinate role. With increasing accuracy, however, the direct contact of the GPS device 12 with the ski or shoe, a sock or other garment of concern, so that the trajectories can be detected with the greatest possible precision and subsequently evaluated.
  • FIG. 1 The diagram illustrates a GPS trajectory plotted on a three-dimensional coordinate system with the X, Y, and Z axes drawn.
  • the temporal component is not shown here and implicitly contained in the plot, by the skier shown as a circle, which travels the trajectory over the time recorded until its end.
  • the star symbols on the trajectory each mark the change of curvature, ie the change between a right and a left turn, which is accompanied by a change in sign of the rotation speed.
  • this trajectory thanks to the constant position measurement while driving all the data about the Trajectory included or derived from it, including the slope of the slope, which is driven here.
  • the GPS device 12 is used inter alia for measuring the instantaneous speed, whereby the speed of the skier can be plotted against the time, corresponding to the graph in Figure 4, to provide a driver-specific speed profile.
  • the vertical line represents the skier, who in an animation takes off this speed curve in real time for the purpose of illustration in the direction of the arrow.
  • Such a determination of the typical driving speed also has a decisive effect on the driving style profile and the required condition of the skis.
  • the skis can either be easier to control and forgiving, or more direct and in return less forgiving. The faster the driver is on the road, the longer and harder his skis should be.
  • the transverse and vertical accelerations are determined with the specific acceleration sensors while driving from the turns and waves, with a preferred minimum measurement frequency of 50Hz.
  • a sensor 3 is positioned on the ski tip, as shown in Figure 1. With this sensor 3, the vibrations of the ski tip are mainly measured, which provides information about the stability of the ski, especially during a shooting trip.
  • Another sensor 4 is arranged approximately halfway down the front skis, another sensor 5 on the ski boot and another sensor 6 as close as possible to the center of gravity, ideally in the cross of the skier.
  • the accelerations occurring during driving are measured and then displayed as an acceleration curve as in the diagram of FIG.
  • the kinematic measuring system quantitatively records the individual driving behavior, allowing it to be evaluated directly in relation to the requirements of the ski properties on the basis of the building materials, the geometry, etc.
  • Also relevant in this context is the information of how a skier drives the turns, that is, whether he slides or carves them, a question that is essential for determining the ideal ski. While the skier drifts or slides through the bend in the first case, he carves the turns completely on the steel edges of the ski, as if on a track. For average skiers, a mixture of carving and slides is usually expected. The strength of these tendencies can be clearly deduced from the measurement data, which allows a very sound investigation of the flywheel technology. With the attached acceleration sensors 3-6 and strain sensors 1-2, this cornering technology can be precisely determined and reproduced, which allows perfect conclusions as to how the ski is driven through the curve. This results in the ideal bias of a ski.
  • the latter determines which areas of the ski in the Snow rests and how it behaves in certain actions of the driver.
  • a torsion-resistant ski model is required. This ensures a small twist around the longitudinal axis of the ski, which reinforces the edge grip.
  • the flexural rigidity of a ski allows a more or less strong deflection, which in turn determines the radius of travel.
  • the technically mobile curve radius is determined by the sidecut. This radius can be further reduced with additional deflection of the ski by increasing the Aufkantwinkels, which requires appropriate carving technique.
  • a skier who drives the large majority of his turns tightly but slipped would, according to the method, be assigned a relatively short, slightly waisted ski with a soft core.
  • the choice of a more or less revving ski depends primarily on such an analysis of the flywheel technology.
  • a pronounced carving ski will turn out to be very uncomfortable because it drives uneasily when it drifts or slips through the curve rather than on the edge.
  • the slip tendency of a driver has more of an effect on the requirements of a ski than its typical curve radius.
  • a ski boot can be equipped with the inventive arrangement with several pressure sensors 7-1 1 in its interior, as shown in Figure 6.
  • the sensor can also be incorporated in a sock or in another piece of clothing.
  • a pressure sensor 10 is seated on the heel support (sole of the foot at the back), a 1 1 on the footpad support (Foot in front), one at the Achilles tendon, and one each 7 in the front (tongue) and one 8 in the back of the shaft (spoiler), near the mouth.
  • other such sensors can be attached, such as above theticianristes.
  • the data determined with these pressure sensors 7-1 1 provide information about how it relates to the pressure distribution in the ski boot and, accordingly, statements can be made, among other things, about the quality of the ski boot model for this specific driver. Based on the sensor-technical data, it is possible to draw conclusions about the distribution of the center of gravity during the journey. This implicitly also indicates the driver's psychological well-being, for example because he is more or more likely to be in the reserve if he is overstrained. In conjunction with the arrangement according to the arrangement equipped with various measuring sensors ski can be recognized at any point of a cornered corner, where the center of gravity of the driver is. If, for example, the skier drives a lot in the reserve, which means he has less control, a ski with a slightly harder end area is ideal.
  • the data of each sensor 7-1 1 can be plotted in parallel, thereby creating a holistic picture of the force distribution of the foot within the shoe, as shown below the ski boot in FIG.
  • the graph is the plot of the measured pressure distribution of the left side of a right ski boot.
  • the vertical line again represents the skier, which synchronously departs the pressure curves along the time axis in the direction of the arrow.
  • an analysis based on the relationship of the individual prints to each other can be performed. These plots are considered in relation to the measured trajectory according to FIG.
  • the data can also be examined and evaluated with regard to the driving area.
  • the central characteristics are derived quantitatively by means of physical and empirical contexts.
  • the individual basic characteristics of the skier or the data ascertained by him or her are stored and utilized on a computer 15 via a wired interface 13 or a wireless, electronic interface 14 in a database.
  • the algorithms required for the data evaluation are determined empirically.
  • the compatibility of different products from an assortment is then checked with the evaluated driving style profile, whereby these products are evaluated according to the agreement according to a ranking list.
  • the display is not limited to a specific product such as skis or ski boots, but it can be virtually created a whole ski equipment, each with the best matching items from an assortment. Digitized catalogs can thus be projected onto any customer profile.
  • the degree of agreement can be expressed in percentages or another suitable scale.
  • Figure 9 shows a skier who is equipped with the inventive arrangement, wherein he also has a gadget 17.
  • the gadget 17 With the gadget 17, the playful area of the inventive method is covered. It is a very light and handy device, about the size of a five-franc piece.
  • the gadget 17 can be carried in a practical way while driving, such as in a jacket or trouser pocket of the skier. It measures accelerations in curves, vibrations, torques in jumps, the residence time in the air during a jump, etc.
  • the determined measurement data can be made available with related apps.
  • a single skier can retrieve his profile at any time on a suitable hardware 16, such as a smartphone, tablet, Phablet or on a notebook, as shown in Figure 9 symbolically.
  • the app provider constantly receives such information about the individual skier, which one of these can use to create even more accurate profiles.
  • the app can work with filtering features that allow the customer to restrict the choices, such as categories, brands, price ranges, etc.
  • the data which are managed on the app, can also be used by the provider to give its suppliers product-specific feedback.
  • the communication between manufacturer and end customer can be made in a very direct, but anonymous way, and the development department of a manufacturing company can henceforth base its developments on a broad database and refine the latter specifically to the needs of the clientele.
  • an anti-theft device can be realized by the ski is locked for driving, for example by means of his ski stopper until the owner's ski boot comes close to the binding. By the electronic connection of the ski stopper is released or released, while he remains in a "foreign" ski boot in the locked position.
  • leaderboards can be created in different disciplines, allowing app users to compete with friends or anonymous attendees. Examples of such categories would be: The narrowest curve at a certain speed, the maximum speed reached, the highest lateral acceleration, the highest vibration amplitude, the quietest center of gravity in a wave ride, the shortest braking distance at a speed determined speed, the maximum turn in degrees, height and / or width of a jump in the park, longest rail interval, etc. Parks could be set up to allow different riders to ride the same route, with their specific data being determined and systematically compared be used to create ranking lists. Such an app could thus significantly enhance the interaction among the users of the measurement system.
  • a virtual ski instructor can be operated via app. Via this virtual advisor tool technical and stylistic recommendations tailored to the individual driving style can be made. Since this advisory function can rely on an individualized data pool, it is able to provide more reliable corrections and tips than a physical ski instructor can do, who has to judge the driving skills of his student by eye.
  • the personal inadequacies as well as the individualized recommendations can be visualized on a screen. As a result, the corrections, tips and suggestions can be displayed in any design and across different modes. Thus, hints and suggestions for improvement, for example in slow motion and / or with a synchronous or overlapping presentation of the current driving style and the desired driving style can be illustrated.
  • the virtual ski instructor is a companion to the respective user, who either documents his progress or step backwards holistically or comments on specific adjustable features.
  • the virtual ski instructor can further assist the skier in making the features of his current skis more powerful and / or learning new swing techniques with them.
  • the virtual ski instructor may be used to tailor the personal riding style to a particular ski, possibly until that ski is 'grown' by the skier and new, more challenging skis are purchased. By optimizing the customer so much, the ski no longer becomes a means to an end, but becomes part of an experience. Another use of the concept involves the synchronization of the motion sequences recorded with this measuring arrangement with video material of these movements.
  • the data can be graphically and / or numerically accompanied by a video sequences of the movements, so that a sound video analysis and video analysis the Information base greatly expanded and forms a novel method of motion analysis.
  • a video sequence with the help of synchronously inferior data, the currently acting forces and accelerations are displayed.
  • the evaluation thus enabled also serves to provide individualized recommendations for optimizing motion sequences or driving style-specific profiles with reference to the characteristics of a specific sports equipment or ski sports equipment, for the optimized use of its properties.

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Health & Medical Sciences (AREA)
  • Psychiatry (AREA)
  • Social Psychology (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour détecter, évaluer, réaliser et optimiser des mouvements de sportifs et de leurs appareils de sport, pouvant être appliqués à divers types de sport. En particulier, l'invention permet de réaliser des profils spécifiques au style pour des skieurs durant une épreuve. Ces profils contiennent, par exemple, des mesures des accélérations transversales et verticales ainsi que des vibrations des skis, les trajectoires des impulsions effectuées, la vitesse momentanée et le profil de vitesse associé, des effets de force à différents points du pied sur la chaussure de ski ainsi que la courbure et la torsion des skis au moyen de capteurs (1-6). Le procédé est exécuté au moyen d'une application. Cette dernière est reliée par l'intermédiaire d'une interface électronique (13,14) au dispositif associé et indique les résultats de l'évaluation des données. Les résultats de l'évaluation peuvent être présentés sur un dispositif d'affichage. Des optimisations du style peuvent être également affichées, ou bien il est possible de réaliser et d'indiquer une comparaison entre les données de mesure de différents utilisateurs de l'application sous forme d'une liste de classement. L'offre de produit, déterminée de manière empirique, spécifique au style permet une commercialisation individualisée.
PCT/EP2016/052166 2015-02-03 2016-02-02 Procédé et dispositif pour détecter, évaluer, réaliser et optimiser des mouvements individuels de sportifs avec une application associée WO2016124586A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16706805.5A EP3254231A1 (fr) 2015-02-03 2016-02-02 Procédé et dispositif pour détecter, évaluer, réaliser et optimiser des mouvements individuels de sportifs avec une application associée

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00132/15 2015-02-03
CH00132/15A CH710689A2 (de) 2015-02-03 2015-02-03 Verfahren und Anordnung zum Erfassen, Auswerten und Erstellen von fahrstil-spezifischen Profilen von Skifahrern und Snowboardern mit zugehöriger App.

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WO2016124586A1 true WO2016124586A1 (fr) 2016-08-11

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CN111260983A (zh) * 2020-01-20 2020-06-09 北京驭胜晏然体育文化有限公司 一种智能仿真室内滑雪教学***及方法
CN114964587A (zh) * 2022-04-28 2022-08-30 承德石油高等专科学校 一种滑雪者足底压力采集方法及装置
WO2024125982A1 (fr) * 2022-12-16 2024-06-20 Ost - Ostschweizer Fachhochschule Système de réglage et/ou système de mesure pour fixation de ski

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Publication number Priority date Publication date Assignee Title
CN111260983A (zh) * 2020-01-20 2020-06-09 北京驭胜晏然体育文化有限公司 一种智能仿真室内滑雪教学***及方法
CN114964587A (zh) * 2022-04-28 2022-08-30 承德石油高等专科学校 一种滑雪者足底压力采集方法及装置
WO2024125982A1 (fr) * 2022-12-16 2024-06-20 Ost - Ostschweizer Fachhochschule Système de réglage et/ou système de mesure pour fixation de ski

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EP3254231A1 (fr) 2017-12-13

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