WO2013121948A1 - Procédé et système d'obtention de longueur de pendule simple et de moment d'inertie équivalents pour canne de golf optimale pour golfeur, procédé de sélection de canne de golf, ainsi que procédé d'obtention de position et de poids d'un poids approprié pour chaque golfeur - Google Patents

Procédé et système d'obtention de longueur de pendule simple et de moment d'inertie équivalents pour canne de golf optimale pour golfeur, procédé de sélection de canne de golf, ainsi que procédé d'obtention de position et de poids d'un poids approprié pour chaque golfeur Download PDF

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WO2013121948A1
WO2013121948A1 PCT/JP2013/052707 JP2013052707W WO2013121948A1 WO 2013121948 A1 WO2013121948 A1 WO 2013121948A1 JP 2013052707 W JP2013052707 W JP 2013052707W WO 2013121948 A1 WO2013121948 A1 WO 2013121948A1
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Prior art keywords
golfer
data
golf club
moment
inertia
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PCT/JP2013/052707
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English (en)
Japanese (ja)
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WO2013121948A9 (fr
Inventor
鳴尾　丈司
木村　卓司
大田　泰之
金山　哲也
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美津濃株式会社
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Publication of WO2013121948A1 publication Critical patent/WO2013121948A1/fr
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    • 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
    • A63B69/3605—Golf club selection aids informing player of his average or expected shot distance for each club
    • 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
    • A63B2071/0658—Position or arrangement of display
    • A63B2071/0661—Position or arrangement of display arranged on the user
    • 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
    • A63B2220/30—Speed
    • A63B2220/34—Angular speed
    • 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
    • A63B2220/40—Acceleration
    • 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
    • A63B2220/62—Time or time measurement used for time reference, time stamp, master time or clock signal
    • 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
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
    • A63B71/14—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the hands, e.g. baseball, boxing or golfing gloves
    • A63B71/141—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the hands, e.g. baseball, boxing or golfing gloves in the form of gloves
    • A63B71/146—Golf gloves

Definitions

  • the present invention relates to a method and system for determining the equivalent single pendulum length and moment of inertia of a golf club optimum for a golfer, a method for selecting a golf club, and a method for determining the position and weight of a weight suitable for each golfer.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2009-226215 (Patent Document 1) and Japanese Patent Application Laid-Open No. 2009-226216 (Patent Document 2) show that golf club custom fitting is performed using information on physical characteristics of a golfer. Has been.
  • Patent Document 3 a swing characteristic is determined based on the measurement result of the rotational motion of the golfer's hand in three directions at the time of hitting, and the golfer is determined based on the determination result. It has been shown to select a suitable golf club mass and length.
  • Patent Document 4 using a sensory value evaluated by a golfer for a reference golf club, a golf club's primary moment, inertia moment, and equivalent It has been shown to determine the range of pendulum length.
  • Patent Document 5 discloses that a weight is provided in the vicinity of the grip portion in order to adjust the distance from the upper end of the grip to the center of gravity of the golf club.
  • the equivalent single pendulum length and moment of inertia of a golf club can be appropriately obtained with predetermined weights, for example, with a weight disclosed in Japanese Patent Application Laid-Open No. 2011-235024 (Patent Document 5).
  • Patent Document 4 Japanese Patent Application Laid-Open No. 2004-181217 certainly shows the idea of selecting a golf club suitable for each golfer by paying attention to the equivalent simple pendulum length and moment of inertia.
  • the inventors of the present application based on a completely different concept from the invention described in Patent Document 4, from the viewpoint of accurately obtaining an optimum value for each golfer by a simple method, the equivalent single pendulum length suitable for each golfer And we studied to obtain the moment of inertia.
  • the present inventors use objective data highly correlated with the optimum values of the equivalent single pendulum length and the moment of inertia to determine the equivalent simple pendulum length and the moment of inertia suitable for each golfer. We studied diligently.
  • An object of the present invention is to simply and accurately obtain an equivalent single pendulum length and moment of inertia suitable for each golfer.
  • the present invention relates to a method or system for obtaining the equivalent simple pendulum length and moment of inertia of a golf club optimum for each golfer.
  • I I g + m ⁇ (r + ro ) 2 (1)
  • I g Moment of inertia around the center of gravity
  • G Golf club mass
  • r Distance from the grip end to the center of gravity G.
  • the “equivalent single pendulum length (L)” in this specification is obtained by dividing the value of the “moment of inertia (I)” by the value of “primary moment”.
  • the “primary moment” means “golf club mass (m)” ⁇ “distance from grip end to center of gravity G (r)”.
  • the present invention obtains the optimum values of the equivalent simple pendulum length and the moment of inertia using data (first data) relating to the characteristics of the golfer including the physical characteristics of each golfer.
  • the optimum values of the equivalent single pendulum length and the moment of inertia are obtained using the data (second data) relating to the movement of each golfer during the swing.
  • the data relating to the golfer's characteristics including the physical characteristics of each golfer (first data) and the data relating to the movement of each golfer during swing (second data) are combined.
  • An analysis may be performed.
  • the method uses predetermined data relating to the characteristics of the golfer including the physical characteristics of each golfer.
  • the system includes an input device that inputs predetermined data relating to the characteristics of the golfer including physical characteristics of each golfer, predetermined data collected from a plurality of experts, and a plurality of experts.
  • Each golf player is stored on the basis of a storage device that stores a predetermined rule constructed from the selection results of the selected optimum golf clubs, a predetermined data that is input to the input device, and a predetermined rule that is stored in the storage device.
  • a processing device for obtaining the equivalent single pendulum length and moment of inertia suitable for the above-mentioned, and an output device for outputting the result obtained by the processing device.
  • the above method uses the sensor device attached to the back of the golfer to obtain predetermined data relating to the movement of each golfer during the swing.
  • the system is attached to a golfer's back, a sensor device capable of collecting predetermined data regarding the movement of each golfer during swing, and predetermined data collected from a plurality of skilled workers And a storage device for storing predetermined rules constructed from selection results of the optimum golf clubs selected by each of the plurality of skilled persons, predetermined data collected by the sensor device, and predetermined rules stored in the storage device Based on this, a processing device for obtaining the equivalent single pendulum length and moment of inertia suitable for each golfer, and an output device for outputting the result obtained by the processing device are provided.
  • the method includes: Collecting one data from each golfer; collecting second data by a sensor device attached to the back of the golfer; and first data and second data collected from each golfer; Based on the first data and the second data collected from a plurality of skilled persons and a predetermined rule constructed from the selection result of the optimum golf club selected by each of the plurality of skilled persons, an equivalent suitable for each golfer Determining a single pendulum length and a moment of inertia.
  • the system includes an input device for inputting first data related to the characteristics of the golfer including physical characteristics of each golfer, and a movement of each golfer during swinging, which is attached to the back of the golfer.
  • the sensor device capable of collecting the second data regarding the first data, the second data collected from a plurality of experts, and the selection result of the optimum golf club selected by each of the plurality of experts Based on the storage device that stores the predetermined rule, the first data input to the input device, the second data collected by the sensor device, and the predetermined rule stored in the storage device,
  • a processing device for obtaining an equivalent single pendulum length and moment of inertia suitable for a golfer, and an output device for outputting a result obtained by the processing device.
  • a plurality of skilled workers for example, a plurality of persons (for example, about 20 persons) satisfying conditions such as golf history of 10 years or more, an average score of 90 or less, and the number of rounds of 20 or more per year are selected. .
  • the predetermined rule includes predetermined data (first data and second data) collected from a plurality of skilled persons and selection of an optimum golf club selected by the plurality of skilled persons. It consists of a regression equation calculated by regression analysis using the results.
  • the “regression analysis” in the present invention uses predetermined data items (for example, “body length” and “angular velocity in the roll direction” described later) as explanatory variables (independent variables), and is suitable for each golfer.
  • the simple pendulum length and moment of inertia are used as objective variables (dependent variables).
  • the number of explanatory variables (independent variables) may theoretically be one, but in a typical example, there are a plurality. Therefore, “regression analysis” in the present invention is typically “multiple regression analysis” having a plurality of explanatory variables (independent variables).
  • Multivariate regression analysis is one of the widely known multivariate analyses. For example, “ ⁇ revision> multivariate analysis method”, Chuichi Okuno et al., “II multiple regression analysis” (25 Page 158 to 158) and the like, and detailed description thereof will not be repeated in this specification.
  • predetermined rules corresponding to “regression formulas” are constructed using other statistical analysis, artificial intelligence, or data mining techniques such as neural networks and genetic algorithms. It is also possible to do.
  • the predetermined data relating to the golfer's characteristics is data relating to the golf experience of each golfer, relating to reflexes. And at least one data out of the group consisting of data, data about power, data about body length, and data about body flexibility.
  • the above questionnaire data is collected by conducting questionnaires, simple games, measurements, etc. for each golfer.
  • an answer may be obtained at a store or an answer may be obtained through a telecommunication line.
  • the predetermined data relating to the movement at the time of swing is data relating to the rate of change of acceleration perpendicular to the back of the hand, It includes at least one data out of a group consisting of data relating to angular velocity at impact in the roll direction, data relating to maximum angular velocity in the yaw direction, data relating to swing time, and data relating to downswing time.
  • the above sensor data can be collected by having the golfer actually swing with the sensor device mounted on the back.
  • Roll direction means the direction of rotation about the axis of the shaft (the X axis in FIGS. 2 and 3), and “pitch direction” means the axis extending in the palm width direction (Y in FIGS. 2 and 3).
  • Yaw direction means a rotational movement around an axis (Z axis in FIGS. 2 and 3) extending perpendicular to the palm.
  • the “roll direction” is the direction of the rotational motion corresponding to the return of the head during the swing
  • the “pitch direction” is the direction of the rotational motion corresponding to the translational motion of the head during the swing.
  • the “yaw direction” is the direction of rotational movement corresponding to the cock and uncock at the time of swing.
  • the “acceleration change rate (da / dt)” is obtained by the following equation (2) based on the acceleration in each axial direction.
  • da / dt (a imp ⁇ a max ) / (t imp ⁇ t max ) (2) a imp : acceleration at impact a max : maximum or minimum value of acceleration during swing (absolute value is maximum) t imp : impact time t max : time at which the acceleration shows a maximum value or a minimum value (absolute value is maximum).
  • the “rotational angular velocity change rate (d ⁇ / dt)” is obtained in the same manner.
  • swing time means the time from the swing start time to the impact time.
  • the time when the rotation angle of the “back direction” of the back of the hand during the swing is minimum (absolute value is maximum) is “top time”
  • “top time” to “impact time” is “ Downswing time”
  • the golf club suitable for each golfer can be selected by obtaining the equivalent single pendulum length and moment of inertia of the golf club optimum for each golfer by the method and system described above.
  • the equivalent simple pendulum length and moment of inertia of each golf club in a library of golf clubs prepared in advance based on the equivalent simple pendulum length and moment of inertia of each golf club in a library of golf clubs prepared in advance, and the equivalent simple pendulum length and moment of inertia determined by the method described above.
  • a golf club suitable for each golfer is selected from the library.
  • the library of golf clubs may be stored in a storage device or displayed on a panel. If the library is stored in a storage device, the processing device selects a golf club, and if the library is displayed on a panel, a person selects a golf club. When the processing device selects a golf club, the result is output to the output device.
  • the output form in the output device may be a form displayed on the display unit, a form outputting audio, or a form outputting by printing.
  • the weight and the weight suitable for each golfer are adjusted for the weight for adjusting the position of the center of gravity of the golf club based on the equivalent single pendulum length and the moment of inertia obtained by the above-described method.
  • the equivalent single pendulum length and moment of inertia suitable for each golfer can be determined easily and accurately.
  • FIG. (1) for demonstrating the relative coordinate system set on the back of a golfer.
  • FIG. (2) for demonstrating the relative coordinate system set on the golfer's back.
  • FIG. (1) for demonstrating the relative coordinate system set on the back of a golfer.
  • FIG. (2) for demonstrating the relative coordinate system set on the golfer's back.
  • FIG. (1) which shows the calculation method of the parameter calculated from sensor data.
  • FIG. (2) which shows the calculation method of the parameter calculated from sensor data.
  • FIG. (The 3) which shows the calculation method of the parameter calculated from sensor data.
  • FIG. (The 3) which shows the calculation method of the parameter calculated from sensor data.
  • FIG. (The 3) which shows the calculation method of the parameter calculated from sensor data.
  • FIG. 4 is a flowchart showing a golf club selection method according to the present embodiment.
  • first, questionnaire data and sensor data are collected in step 11 (hereinafter abbreviated as “S11”. The same applies to other steps). .
  • an optimal golf club is selected based on the equivalent simple pendulum length and moment of inertia.
  • FIG. 5 is a diagram showing an overall configuration of a system used for the selection method.
  • the system used for the selection method includes an input device 1 for inputting questionnaire data of each golfer, and data (sensors) attached to the golfer's back and related to the movement of each golfer during swinging. Data) and a process for obtaining a corresponding single pendulum length and moment of inertia suitable for each golfer and selecting a golf club suitable for the golfer based on the detection result of the sensor device 2
  • required by the processing apparatus 3 are provided.
  • the input device 1 is a device composed of, for example, a touch panel or a keyboard.
  • the sensor device 2 includes an angular velocity sensor capable of measuring angular velocities around three axes orthogonal to each other (X axis, Y axis, and Z axis in FIG. 5) and three axes orthogonal to each other (X axis, Y axis, An acceleration sensor capable of measuring acceleration in the (Z-axis) direction is included.
  • the sensor device 2 is attached to the back of the golfer so that one of the three axes in the angular velocity sensor and the acceleration sensor faces the axial direction of the shaft.
  • the sensor device 2 has a time resolution of 0.001 second, and the measurement range is about ⁇ 2500 deg / s for the angular velocity sensor and about ⁇ 30 G for the acceleration sensor.
  • the input device 1 and the sensor device 2 are connected to the processing device 3.
  • the questionnaire data input to the input device 1 and the sensor data collected by the sensor device 2 are transmitted to the processing device 3 in an electronic format.
  • the processing device 3 is composed of a CPU, for example, and electronically processes questionnaire data and sensor data.
  • the processing device 3 is connected to the storage device 3A.
  • the storage device 3A is made of, for example, a hard disk and stores a regression equation for obtaining the equivalent simple pendulum length and moment of inertia. Further, the storage device 3A may store a golf club library for selecting an optimal golf club.
  • the processing device 3 calculates an equivalent simple pendulum length and moment of inertia suitable for each golfer using the questionnaire data and sensor data described above and the regression equation stored in the storage device 3A.
  • the calculated result is output to the output device 4 including, for example, a display monitor.
  • the output device 4 may output only the selection result of the golf club selected by the processing device 3 without outputting the calculation result of the equivalent single pendulum length and the moment of inertia.
  • the processing device 3 may only calculate the equivalent single pendulum length and the moment of inertia, and a person may select the optimum golf club based on the calculation result.
  • FIG. 6 is a view showing a state in which the sensor device 2 is attached to the back of the golfer. As shown in FIG. 6, the sensor device 2 is attached to the back via the attachment member 5.
  • the attachment member 5 has a portion that covers the back of the golfer, but does not have a portion that covers the palm. Therefore, as a golfer, even when the attachment member 5 is mounted, it is possible to grip the grip with the same feeling as a bare hand. Note that the attachment member 5 may be mounted while the golfer wears gloves.
  • the mounting member 5 has a pocket portion 5A in the inner portion facing the back.
  • the sensor device 2 is accommodated in the pocket 5A. Since the mounting member 5 is fixed to the back of the golfer, the sensor device 2 can be fixed to the back along a predetermined direction by matching the outer shape of the sensor device 2 with the shape of the pocket portion 5A. Thus, the angular velocity around the three axes (X axis, Y axis, Z axis in FIG. 5) and acceleration in the three axis (X axis, Y axis, Z axis in FIG. 5) direction can be measured.
  • the attachment member 5 has a window portion 5B so that the inside of the pocket portion 5A can be visually recognized from the outside.
  • the window portion 5B it is possible to check the state of the sensor device 2 housed in the pocket portion 5A (for example, the orientation, the remaining battery level, etc.) while the mounting member 5 is attached to the golfer. is there.
  • the attachment member 5 has a hole 5C for passing the middle finger of the golfer.
  • the attachment member 5 has a tapered shape whose width increases toward the wrist side.
  • the sensor device 2 is attached to the left hand for measurement. In the case of a left-handed golfer, the sensor device 2 is attached to the right hand for measurement.
  • the gloves (for left hand) shown in FIG. 6 are for right-handed golfers.
  • FIG. 7 shows an example of a questionnaire for a golfer to collect questionnaire data.
  • FIG. 7 shows the contents of a questionnaire for male golfers.
  • numerical values such as “average score”, “7-iron flight distance”, elongation, weight, etc. To change.
  • shoulder flexibility answer the state when both arms are raised to the side of the ear and both arms are bent back. If it is “flexibility of the hip joint”, the user answers based on the angle when the leg is opened while sitting in a long position and then keeping the upper body straight.
  • the swing tempo can be evaluated based on the average tempo or the like by repeatedly pressing a button at a constant tempo as desired by the golfer.
  • red or blue is randomly displayed in the lighting area of the display screen shown in FIG. 8.
  • the key is pressed, and when red is displayed, the key is not pressed (Go / No go), display multiple times. At that time, the golfer's minimum reaction time, maximum reaction time, and average reaction time are measured.
  • reaction time minimum value reaction time maximum value
  • reaction time average value reaction time average value
  • Simple Reaction Time are elements that evaluate golfer's reflexes.
  • Each element described above is classified into five factors of “golf experience”, “reflexes”, “power”, “body length” and “body flexibility” based on the correspondence table shown in FIG. .
  • the score of each element obtained by the questionnaire and the diagnostic game is the result of each factor after being multiplied by the weighting coefficient.
  • the “weighting coefficient” for each element is determined by principal component analysis, for example.
  • FIG. 10 is a flowchart showing each step until sensor data is collected.
  • the angular velocity around the three axes (X axis, Y axis, Z axis in FIG. 5) and the acceleration signal in the direction of the three axes (X axis, Y axis, Z axis in FIG. 5) are determined for a predetermined time (for example, 12 seconds). During this time, the golfer swings.
  • drift is eliminated by averaging the data for a predetermined time (for example, 0.05 seconds) from the start of measurement and subtracting it from the measured value.
  • the impact time is specified.
  • the time when the angular velocity in the “roll” direction is minimum is set as “impact time”.
  • “swing time” is calculated. Specifically, the time when the angle of the “roll direction” exceeds a predetermined threshold (for example, 5 degrees) is defined as “swing start time”, and the time from “swing start time” to “impact time” is defined as “swing time”. .
  • a predetermined threshold for example, 5 degrees
  • “down swing time” is calculated. Specifically, the time at which the rotation angle in the “yaw direction” of the back during the swing is minimum (absolute value is maximum) is “top time”, and the time from “top time” to “impact time” is “down swing time” "
  • the optimal equivalent single pendulum length and moment of inertia may be calculated using only some of the 19 results (for example, “Example 2” and “Example 3” in FIG. 14).
  • the optimal equivalent simple pendulum length and moment of inertia may be calculated using all 19 results.
  • the multiple regression equations for obtaining the equivalent single pendulum length and moment of inertia suitable for each golfer are the data collected from a plurality of skilled workers and the selection result of the optimum golf club selected by each of the plurality of skilled workers. It is calculated in advance by multiple regression analysis using.
  • the flow of the “multiple regression analysis” according to the present embodiment is schematically shown in FIG. That is, in S41, a plurality of skilled workers are selected based on the above-described criteria. Thereafter, in S42, predetermined data from the expert (data relating to the golfer's characteristics including the physical characteristics of each golfer (first data) and data relating to the movement of each golfer during the swing (second data)). ).
  • each expert is made to select a golf club that he / she thinks is optimum from a predetermined library. Note that the order of S42 and S43 may be reversed.
  • multiple regression coefficient matrices A and B and constant term matrices C a and C b are obtained by multiple regression analysis using the data collected in S42 and the golf club selection result in S43.
  • a multiple regression equation obtained using n questionnaire data X collected from a plurality of skilled workers and golf club selection results selected by the plurality of skilled workers may be used. Good.
  • a multiple regression equation obtained by using m pieces of sensor data Y collected from a plurality of experts and a golf club selection result selected by a plurality of experts may be used.
  • golf clubs are selected from a library including a plurality of golf clubs (five golf clubs in the example of FIG. 16) as shown in FIG.
  • each golf club has its own equivalent simple pendulum length (L D1 , L D2 , L D3 , L D4 , L D5 ) and moment of inertia (I D1 , I D2 , I D3 , I D4). , I D5 ).
  • evaluation values R 2 to R 5 for “driver 2” to “driver 5” are obtained. It can be evaluated that the golf ball having the smallest evaluation value is the optimum golf club among “driver 1” to “driver 5”, and the golf ball having the second smallest evaluation value is the next best.
  • the distance (r) from the grip end to the position of the center of gravity is adjusted.
  • the length and moment of inertia can be adjusted as appropriate.
  • the position and weight of the weight may be adjusted based on the results.
  • the golf club having the weight shown in FIG. 17 may be included in the library shown in FIG.
  • the “predetermined rule” may be constructed using statistical analysis, artificial intelligence, or a data mining technique such as a neural network or a genetic algorithm.
  • the model shown in FIG. 18 includes three layers: an input layer, an intermediate layer, and an output layer. In addition, it is also possible to make an intermediate
  • questionnaire data X (X 1 , X 2 , X 3 , X 4 ,..., X n ) collected from a plurality of skilled persons
  • the output data of the output layer is equivalent single pendulum length (L) and moment of inertia (I).
  • a golf club selection result selected by a plurality of experts becomes teacher data, and a high-precision neural network is constructed by repeating learning.
  • a learning method an error back propagation method is generally used.
  • the learned model is used to input only the questionnaire data of the golfer, only the sensor data, or the combined data of the questionnaire data and the sensor data, the moment of inertia (I) and the corresponding simple pendulum length ( L) is output.
  • the present invention is applicable to a method and system for determining the equivalent single pendulum length and moment of inertia of a golf club optimum for a golfer, a method for selecting a golf club, and a method for determining the position and weight of a weight suitable for each golfer. .

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Abstract

La présente invention concerne un procédé qui permet d'obtenir une longueur de pendule simple et un moment d'inertie équivalents pour une canne de golf optimale pour chaque golfeur. Ledit procédé comprend les étapes consistant : à recueillir des données associées aux caractéristiques de chaque golfeur, comprenant des caractéristiques physiques des golfeurs (premières données) et des données associées au mouvement au moment du balancé de chacun des golfeurs (secondes données) ; à obtenir la longueur de pendule simple et le moment d'inertie équivalents, appropriés pour chacun des golfeurs sur la base des premières données et des secondes données recueillies pour chacun des golfeurs, et des règles prédéterminées établies à partir des premières données et des secondes données recueillies parmi une pluralité d'experts et des résultats de sélection de cannes de golf optimales, sélectionnées par chacun de la pluralité d'experts.
PCT/JP2013/052707 2012-02-15 2013-02-06 Procédé et système d'obtention de longueur de pendule simple et de moment d'inertie équivalents pour canne de golf optimale pour golfeur, procédé de sélection de canne de golf, ainsi que procédé d'obtention de position et de poids d'un poids approprié pour chaque golfeur WO2013121948A1 (fr)

Applications Claiming Priority (2)

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JP6373736B2 (ja) * 2014-06-19 2018-08-15 住友ゴム工業株式会社 ゴルフクラブのフィッティング装置、方法及びプログラム
JP6308885B2 (ja) * 2014-06-19 2018-04-11 住友ゴム工業株式会社 ゴルフスイング解析装置、方法及びプログラム
JP6766335B2 (ja) * 2014-12-26 2020-10-14 住友ゴム工業株式会社 ゴルフスイングの分析装置
JP6911298B2 (ja) * 2015-09-03 2021-07-28 住友ゴム工業株式会社 ゴルフクラブのフィッティング装置、方法及びプログラム
US10773143B2 (en) 2015-09-03 2020-09-15 Sumitomo Rubber Industries, Ltd. Golf club fitting apparatus, method, and program
JP2017055913A (ja) * 2015-09-15 2017-03-23 株式会社東芝 動作フォーム判定装置、判定方法、判定プログラム、判定システム
JP6753144B2 (ja) 2016-05-31 2020-09-09 住友ゴム工業株式会社 打点推定装置
JP6783646B2 (ja) * 2016-12-21 2020-11-11 ブリヂストンスポーツ株式会社 選択支援装置、選択支援システムおよび選択支援方法
JP7442258B2 (ja) * 2018-05-31 2024-03-04 ブリヂストンスポーツ株式会社 評価方法および評価システム
JP7371427B2 (ja) * 2019-10-04 2023-10-31 住友ゴム工業株式会社 ゴルフスイング分析装置
JP7306206B2 (ja) * 2019-10-04 2023-07-11 住友ゴム工業株式会社 ゴルフクラブのフィッティング装置

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