KR20100020131A - Swing simulation system and the method and the program - Google Patents
Swing simulation system and the method and the program Download PDFInfo
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- KR20100020131A KR20100020131A KR1020080078789A KR20080078789A KR20100020131A KR 20100020131 A KR20100020131 A KR 20100020131A KR 1020080078789 A KR1020080078789 A KR 1020080078789A KR 20080078789 A KR20080078789 A KR 20080078789A KR 20100020131 A KR20100020131 A KR 20100020131A
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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
- A63B69/3608—Attachments on the body, e.g. for measuring, aligning, restraining
-
- 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
- A63B69/3658—Means associated with the ball for indicating or measuring, e.g. speed, direction
-
- 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
- A63B24/0021—Tracking a path or terminating locations
- A63B2024/0028—Tracking the path of an object, e.g. a ball inside a soccer pitch
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
- A63B60/46—Measurement devices associated with golf clubs, bats, rackets or the like for measuring physical parameters relating to sporting activity, e.g. baseball bats with impact indicators or bracelets for measuring the golf swing
- A63B2060/464—Means for indicating or measuring the pressure on the grip
-
- 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
- A63B2071/0636—3D visualisation
-
- 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
- A63B2071/0647—Visualisation of executed movements
-
- 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
Abstract
Description
The present invention relates to a technique for simulating the swing motion of the batter hitting the ball with the ball hitting mechanism or the flying motion of the ball, in particular, comparing the swing information detected by the acceleration detection device and the radio frequency identification system with the swing detection program, The present invention relates to a system and method for simulating a swing simulation program in a three-dimensional virtual space.
The technique of simulating the swinging motion of the batter hitting the ball or the motion of the ball flying is a technique of detecting in real time the position and the tilt on the swing trajectory of the ball hitting mechanism to simulate in the three-dimensional virtual space of the computer.
By prior art similar to the technique of the present invention;
The golf range finder of
The golf swing diagnosis device of
[Document 1] 10-2002-0056273 Golf Range Finder
[Document 2] 10-2005-0093310 golf swing diagnosis device
[Reference 3] 10-0749383 Golf Swing Diagnosis Device
The present invention is to solve the above problems, in order to simulate the swing motion of the batter hitting the ball or the motion of the ball flying, it is necessary to detect the movement state of the batter hitting the ball or the mechanism hitting the ball.
When a plurality of sensors are attached to the segment of the body to detect the movement state, the measurement of the body movement is efficient, but there is a problem that a sensor must be attached to the body. It is effective to measure the acceleration, but there is a high possibility of changing the performance of the club. When the inclination sensor and the acceleration sensor are installed for each use, the weight and volume of the device and the economic burden are expected. The purpose is to provide a program.
The swing simulation system, method and program thereof for achieving the above object are provided with an accelerometer detecting device on a ball hitting device and a claim value on a glove worn on a hand holding the ball hitting device. The system is configured to connect the system to the radio frequency identification system, so as to minimize the device installed in the ball striking device.
In the acceleration detection device, the tilt is measured in the stationary state, the acceleration is measured and integrated at two points in the moving state, the speed is calculated, the integral is calculated again to calculate the position, and the tilt or the position of the program for detecting the swing. The swing detection method comparing the information and the program sets the real-time position coordinates of two points on the swing trajectory where the batter swings.
The real-time position coordinates of the two points hitting the mechanism is characterized by checking the slope without using a gyro sensor.
In a three-dimensional virtual space of a computer on which a program that simulates a swing is executed, real-time position coordinates on the swing trajectory are combined to simulate the motion of the batter swinging, or the impact velocity is extracted and compared with a program that detects a swing. It is characterized by a method of calculating and simulating flying trajectory information and its program.
Swing simulation system and method according to the present invention, the acceleration detection means is installed in two positions of the ball hitting mechanism to detect the acceleration and inclination, the swing detection program to detect the coordinates of the movement of the mechanism to hit the ball, Apparatus, method, and program for simulating the swing of a batter hitting a ball in a three-dimensional virtual space, which analyzes, studies, and corrects the motion of the batter's swing, coaches the player to an ideal swing, and improves performance.
Golf, baseball, tennis, tennis, badminton, etc. are a ball, a club, a bat or a racket to hit the ball by using a ball hitting device, the batter wearing a glove hand grasping the handle of the ball hitting the ball to the head It is a sport to hit the ball.
The ball hitting motion is divided into a motion of throwing a ball such as golf to a club, or a batting ball to blow a ball such as baseball or tennis. Is a sensitive movement that takes place in a very short time. Therefore, the swinging motion of hitting the ball may change from time to time according to the condition of the batter, and the swing trajectory of the ball hitting device and the direction and distance from which the ball flows also change from time to time. If the batter can hit the ball the same way each time he hits the ball, it will be possible to throw the ball exactly at the target, and the batter will be able to swing with the same swing path and blow the ball to his or her desired position. will be.
The batter wants to be able to see his swing motion and swing trajectory or the exact trajectory that the ball is flying right after hitting the ball in practice, and requires a simulation system and method for checking and coaching his swing on the swing trajectory. It is becoming.
A batter who hits a ball has a habit of swinging along a swing trajectory peculiar to his / her physical condition or training, and in the present invention, a swing detection program using the batter's habit of swinging while drawing the same swing trajectory as described above. For example, the swing of the batter is detected by comparing the acceleration and the slope measured by the detection device, and the swing of the batter is simulated.
As described above, the present invention is divided into a swing simulation system, a method, and a program thereof.
The swing simulation system;
Two or more acceleration detection means installed in the ball striking mechanism, and a radio frequency identification system tag for controlling the acceleration detecting means and collecting information; A radio frequency identification system reader having a function of supplying energy to the radio frequency identification system tag and confirming acceleration detection information transmitted from the tag is installed on the glove; It is characterized in that the configuration.
The swing simulation method;
Detecting acceleration of a stationary state or real-time acceleration of two or more points with acceleration detection means; Integrating the real time accelerations of the two or more points to calculate a real time velocity or a real time position or a real time slope; Setting a real time position coordinate on a swing trajectory by comparing the tilt of the stationary state or the position of the real time or the slope of the real time with information of a program for detecting a swing; Calculating the trajectory information of the ball flying by extracting the speed before and after the impact by comparing the speed of the real time with information of a program for detecting a swing; Simulating a swing motion of a batter by grafting real-time position coordinates on the swing trajectory in a virtual space of a computer on which a program for simulating a swing is executed, or simulating a motion of a ball flying by grafting track information of the ball flying; Characterized in that made.
The swing simulation program;
A swing detection command for comparing the acceleration or inclination of the ball hitting mechanism with a standard swing trajectory to set a real time velocity or real time position coordinate on the swing trajectory; A simulation of a swing motion of a batter hitting a ball by substituting the real-time position coordinates on the swing trajectory, or a simulation of a ball flying by substituting a real-time speed on the swing trajectory; It is characterized by being programmed.
The swing simulation system, method and program thereof of the present invention will be described in detail with reference to the accompanying drawings.
1A and 1B are diagrams illustrating a swing simulation system.
The configuration and operation of the swing simulation system of the present invention will be described in detail with reference to FIGS. 1A and 1B.
Swing simulation system is composed of a
The swing information of the batter hitting the ball may be simulated in a computer or a portable terminal on which the
The
Acceleration detection means 111 in the
The
When the
When the energy is induced in the
The acceleration detecting means 111 of the
The acceleration detection means 111 of the
The acceleration detecting means 111 of the detecting
The
The
Two-axis or three-axis acceleration detecting means 111 is formed at one or more points in the
The inclination or position detected by the acceleration detecting means 111 of the
2 is a flowchart of a swing simulation method.
The swing simulation method and the program of the present invention will be described in detail with reference to FIG.
The method for explaining the swing simulation method is a method of detecting a tilt of a stationary state or real-time acceleration of two or more points by using acceleration detection means, simulating a swing motion of a batter hitting a ball, and simulating a motion of a ball hit by a batter. To illustrate.
The present invention utilizes an acceleration detecting means provided in the handle portion of the ball hitting mechanism, so that the ball hitting mechanism becomes a static acceleration state in a stationary state, detects a tilt, and becomes a dynamic acceleration state in a moving state. The device detects 201 real-time acceleration at two or more points of the instrument. The acceleration detecting means is installed at one or more points of the glove worn on the batter's hand, and the swing trajectory can be detected more accurately by interlocking with the acceleration detecting means installed in the ball striking mechanism.
The real-time velocity is calculated by integrating at least two points of the ball hitting mechanism detected in the moving state, and the position is calculated by integrating the real-time velocity of two or more points again.
The slope of the ball striking device is set by comparing the position detected and calculated at two or more points, and the real-time speed or the real-time position or the real-time slope is calculated by comparing the ball striking device with the slope detected in the stationary state. (202).
A method of comparing the position or inclination calculated by moving the ball striking device on the swing trajectory with information stored in the program for detecting the swing (203). Is set 204.
By comparing the speed moved in real time on the swing track with the information stored in the swing detection program (203), the position immediately before or immediately after the impact of the head of the ball hitting mechanism is moved on the swing track. And, by extracting the speed immediately before or immediately after the impact to calculate the height or distance that the ball collided with the head is flying to calculate the trajectory to fly the ball (205).
The positional coordinate
A program for simulating a swing in a three-dimensional
In the three-dimensional
3 is a flowchart of a swing simulation system operation.
A swing simulation system, a method thereof, and a program thereof for implementing the present invention will be described in detail with reference to FIG. 1A and FIG.
The swing simulation system operation flowchart is for explaining a system, a method and a program for detecting a swing of a batter hitting a ball by applying acceleration detection means.
In the following description of golf as an example, the mechanism for hitting the ball is called a club.
In a state where power is supplied to the
When the club is at rest, the acceleration detecting means 111 of the detecting
At the moment when the batter takes the ready posture (address) to hit the ball, the acceleration detecting means 111 measures the tilt of the club 322 and
In the state in which the reference coordinate is set 342 on the swing trajectory, which is the starting point of the club head swing, the batter starts swinging and the club moves so that the acceleration detecting means 111 is activated 323. Real-time acceleration of the 324 is measured, the acceleration is measured at two points in the longitudinal direction of the club.
The acceleration measured at two points of the
The slope of the club is set 344 by comparing the position coordinates of the two points set at both ends of the club.
The first real-time positional coordinate of the backswing set as described above is calibrated to the more accurate swing start point (0) by comparing with the reference coordinate on the swing trajectory which is the swing start point (0). The same applies to the starting point.
The positional coordinates and the slopes of both ends of the club become basic information for simulating the mechanism of hitting the ball in the three-dimensional virtual space of the X, Y, and Z axes of the computer.
When the club starts from the starting point (0) of the backswing and backswing, the acceleration detecting means 111 detects the acceleration, and the real-time position coordinates 343 and the real-time slope 344 on the backswing trajectory are continuously set and stored on the backswing trajectory. do.
When the acceleration detecting means 111 is operated 323 and the real-
The final backswing real-time position coordinate set as described above is calibrated to a more accurate top position compared to the reference coordinate set to the top position slope, and the calibration method is also applied to the finish which is the vertex of the follow-through.
In the
After the
The
When the real time coordinates 346 and the real time tilt 347 of the downswing trajectory are compared with the standard swing trajectory data stored in the
Immediately after passing the
As a method for detecting the speed just before the impact and the speed immediately after the impact, the ball is stored as information for calculating the distance and the emergency trajectory, and the acceleration detection means
When the acceleration detecting means 111 operates 329 and the real-
The
The information 352 stored in the
The
A graphic or video is produced in which the batter hits the ball according to the type of club.The axis of rotation formed by the club and the body is programmed with the batter's standard swing trajectory so that the real time coordinate and real time tilt swinging on the swing trajectory are matched. The swing trajectory of the batter is effectively detected by comparing the information transmitted from 110 with data of the standard swing trajectory of the
In the following description of the golf example, a rotary shaft composed of a club and a body is referred to as a club rotary shaft and a body rotary shaft.
The slope of the address position 322 or
The
The X-axis, Y-axis, and Z-axis that move the swing trajectory in real time with the slope 322 and the reference coordinate 342 of the three-dimensional coordinates of the X, Y, and Z axes of the address position as the starting point of the swing. The three-dimensional position coordinates (343, 346, 350) and the inclinations (344, 347, 351) of the axes are compared and analyzed by the
In order to perform various calculation functions such as comparative analysis and determination of the measurement data detected by the acceleration detection means, the
The acceleration detecting means 111 of the detecting
4A is an explanatory diagram of a swing trajectory, and FIG. 4B is an explanatory diagram of a rotation shaft and a swing detection method.
A swing simulation system, a method thereof, and a program thereof for implementing the present invention will be described in detail with reference to FIGS. 1A and 1B and FIGS. 4A and 4B that illustrate golf.
SW-1 is the starting point (0) of the clubhead swing when the batter is ready to start the backswing (406), and the position just before impact (0) where the clubhead collides with the ball during the downswing (407). to be.
SW-2 is the position of the clubhead in the
The clubhead position (SW-1) immediately before the impact or the address, which is the starting point of the swing (0), is represented by three-dimensional coordinates of X, Y, and Z in a three-dimensional virtual space of a swing simulation system or a computer or a portable terminal. The real-time positional coordinates of -2 to SW-6 are also represented by three-dimensional coordinates of X, Y and Z.
At the starting point (0) of the swing in which the club head is in the address (SW-1) state, two rotary axes connected to the center point (0 ') of the swing through the club rotation axis and the body rotation axis are virtually set, and the club head swing trajectory ( The center point (0 ') of SW-1 to SW-6) is represented by three-dimensional coordinates of X', Y ', and Z'.
The swing of the two rotational axes, which consists of the
The three-dimensional real-time coordinates of X, Y, and Z, and the real-time inclination of the body axis or the club axis are measured by measuring the swing trajectory of the body rotation axis and the club rotation axis connected to the center point (0 ') of the swing on the rotation axis (Z') of the body. In order to simulate the swing of the batter hitting the ball to be programmed according to the schedule of the
The axis of rotation (Z ') of the body is in a state of winding the main body by twisting the muscles of the body in a counterclockwise direction (409) at the time of the
The rotating shaft is composed of a
The clubhead 404 in the ready position for the batter to hit the
The two
The swing trajectory of the
4B is an explanatory diagram of a swing trajectory, and FIG. 5 is an explanatory diagram of a rotation shaft and a swing detection method.
A swing simulation system, a method thereof, and a program thereof for implementing the present invention will be described in detail with reference to FIGS. 1A and 1B and FIGS. 4B and 5 that illustrate golf.
In order to set the position where the club moves in the 3D virtual space of the computer, one or more clubs must be measured at the position and inclination, and the real-time tilt or real-time position coordinate at which the club moves on the swing track is installed at two club points. It is set as a means for detecting the acceleration.
In the detecting
When the batter starts swinging, the starting point of the clubhead swing, which is the end of the club, is compared with the first two point positions set by the acceleration measurement, the slope calculated from the two point positions, and the slope of the address state. (0) and the starting point of the grip part swing (0 ") are set, and it becomes a reference point for setting the real-time position coordinates moving on the swing trajectory.
By comparing the inclination measured in the stationary state with the inclination and the inclination of the first or last two points calculated with the acceleration measured in the moving state in the above manner, the address position SW-1 or the top position SW -3) Or three-dimensional position coordinates of the X-axis and Y-axis and Z-axis of both ends of the club of the finish position (SW-6) is set, the position coordinates are compared with the information input to the swing detection program to determine a more accurate swing Is programmed to detect.
The slope of the address state measured by the acceleration detecting means 111 in the detecting
When the batter takes the address SW-1 to strike the
As described above, the
The real-time position coordinate is connected to the
When the
When the
As described above, the
The inclination and position coordinates compared to the standard swing trajectory, the
As described above, when the
Acceleration measured by the acceleration detecting means 111 at the moment of impact of the
After the impact that the
As described above, the
The X, Y, and Z axis three-dimensional accelerations of the
At the starting point (SW-1) (0) of the swing and the top position (SW-3) and the finish (SW-6) position, the
The inclination of the
When the acceleration detecting means 111 is installed in the
As described above, when the acceleration detecting means 111 are respectively installed in the
Since the length of the
The information measured as described above and stored in the
5 is an explanatory diagram of a rotation axis and a coordinate setting method.
A swing simulation system, a method and a program thereof for implementing the present invention will be described in detail with reference to FIGS. 1A and 1B and FIG.
Two rotary shafts, which are connected to the
The
The
Since golf is typically a game using about 15
The
In the
In the state where the
The slope measured at the point A and the point D is the same as the slope of the line AB of the
The club axis of
On the three-dimensional X, Y, and Z axes, the position of point A, point B, or point D in the right triangle ABC or right triangle DBE is a reference point (zero point) on a horizontal axis or a vertical axis. The position coordinate of point A or the position coordinate of point B or the position coordinate of point D is set.
As described above, when the
When the position coordinates of the point A and the point D which are moved in real time are compared on three dimensions of the X, Y, and Z axes with the horizontal axis or the vertical axis as the reference point (zero point), the slope of the straight line AD can be calculated. The slope of the straight line AD is the same as the slope of the straight line AB of the
The
The position coordinates of the point A and the point B at which the
In the address step for hitting the ball, the position coordinate of the point B which is the end of the
The
In the
The acceleration detecting means 111 installed in the
When the acceleration detecting means 111 is provided at one of the points G or H on the line AF line of the
In the state where the
The slope measured at point A and point G or point H is equal to the slope of the line AF of the body axis of
As described above, when the
The velocity at which point A or point G or point H moves is calculated by integrating the acceleration measured while the point A or point G or point H is moved, and the point A or point G or point H is integrated by integrating the velocity again. It will calculate the real time position being moved.
When the position coordinates of the point A and the point G or the point H, which are moved in real time, are compared on the three-dimensional X, Y, and Z axes of which the reference point (zero point) is the horizontal axis or the vertical axis, The slope of AG or straight line AH or straight line GH is calculated, and the slope of straight line AG or straight line AH or straight line GH can be confirmed to be the same as the slope of
The position coordinates of point A and point F, which are the coordinates of both end points of the line AF, which are the body axis of
The real time coordinates of moving the line A B of the
Although the acceleration detection means is installed in the head part, which is the part of the club that collides with the ball, is the most effective means of detecting the swing trajectory of the club movement, the club head is the most sensitive and shocking part, which may hinder the performance of the club. In many parts, in order to install the acceleration detecting means in the head of the club, there is a problem in that the structure of the club needs to be changed so that the club can be deformed or detached.
On the other side of the clubhead, the hand-held grip is the least moving part of the club, so it is the most unfavorable means of detecting acceleration, but the device can be installed without compromising the performance of the club. There is an advantage in close contact with the wearing gloves.
The present invention has the advantage of providing the tag of the detection device and the radio frequency identification system in the club by connecting the assertion of the detection device and the glove of the club with a radio frequency identification system (RFID).
The RFID tag of the RF system installed in the club is automatically logged in by receiving power from an RFID reader configured in the batter's gloves, and wirelessly receives information detected by the acceleration detecting means. Since it is calculated and compared to the RFID reader, the device installed in the club can be minimized, thereby reducing the volume and weight.
The tags of the acceleration detection means and the radio frequency identification system (RFID Tag) are produced as nanoelectromechanical systems (NEMS) due to the development of information communication (IT) and nano (NT) technologies. It can be applied to a small size high performance radio frequency identification system tag.
The antenna of the RFID tag configured on the grip of the club and the antenna of the RFID reader configured on the glove of the batter holding the grip are used for the batter to hit the ball. Since the structure is in close contact with each other from the moment the club is held, it is easy to transfer energy between the antenna of the RFID reader and the antenna of the RFID tag, and thus it is possible to operate with a small power supply.
As described above, the main device configured in the batter's glove is provided with a radio frequency identification system reader (RFID Reader), and the acceleration detection means configured in the club is connected to a tag of the radio frequency identification system. (RFID: Radio Frequency Identification), the RFID Tag is recognized by the RFID Reader and is supplied with power to operate the acceleration detection means and wirelessly detect the detected acceleration information. It is configured to transmit to a RFID reader, and two or more acceleration detection means are provided in the longitudinal direction of the club to detect two or more accelerations or inclinations.
6 is an explanatory diagram of tilt and position coordinates of a rotating shaft.
A swing simulation system, a method and a program thereof for implementing the present invention will be described in detail with reference to FIGS. 1A to 5 and FIG.
The batter's action is to move the ball from its current position to the desired location, taking into account the terrain and the wind, choosing a club with the right angle of the clubhead and the right length of the shaft, so that the club can produce the desired distance. It is a projectile movement that swings a ball and impacts it with a stationary ball and draws a parabola at a desired angle and blows it to a desired place. At this time, the flying distance that the ball is flying is determined at the speed at which the ball impacts the clubhead, and the
The swing motion is that the
The
When the batter hits the ball and connects the
The position of the
The
The
Make a right triangle of a, b, c with the length of the
Acceleration detection means 111 is installed in the
The two rotary shafts that extend from the starting point (0) of the club rotary shaft swing to the center point (0 ') of the body rotary shaft swing through the rotary shaft engaging portion (0 ") have the end of the club head (404) as the starting point (0) of the swing. It is set as three-dimensional coordinates of X, Y, and Z, and is set as three-dimensional coordinates of X ", Y", and Z ", with the end of the
When the
The angle of the
When the
After the club has undergone the impact (A1 C1) process, the swinging motion of the follow-through 408 generates greater acceleration by continuously applying force to the ball after impact, and inertia of the body caused by the
The
At the top position of the backswing A3 and C3 and the finish position of the follow-through A4 and C4, the two
The slope and acceleration measured in the above manner are calculated by the
The speed immediately after the impact of the clubhead 404 colliding with the ball is reduced than the speed just before the impact colliding with the ball, and the
7 is an explanatory diagram of a method for detecting acceleration and tilt.
A swing simulation system, a method thereof, and a program thereof for implementing the present invention will be described in detail with reference to FIGS. 1A to 6 and FIG.
Golf starts at the address and reaches the position of the top, changes direction at the top, starts the
The two rotating shafts that draw the swing trajectory are in a state in which the
The swing simulation system in which the
The club rotation shaft 401a and the
The
The acceleration detection means 111 of the detection device (Sensing SYS) 110 swinging along the detection
Acceleration detection means 111 is a two-axis or three-axis acceleration sensor (ACC Senser) of the X-axis, Y-axis, Z-axis is provided at two positions in the longitudinal direction of the club axis of rotation (401),
When the acceleration detecting means 111 is also installed in the
The acceleration detecting means 111 is X-axis, Y-axis, Z-axis two-axis or three-axis acceleration sensor (ACC Senser) 111 is installed in one or two places in the longitudinal direction of the body axis of rotation (402) It is configured to measure the acceleration and the inclination of the two positions in the longitudinal direction of the
The tilt or acceleration measured by the accelerometer detection unit (ACC Senser) 111 of the
The swing information of the batter detected as described above and stored in the
On the swing trajectory where the batter hits the ball, acceleration is detected in real time by the acceleration detecting means 111 provided on the
Mathematical Formulas 02
Equation (02) calculates a position by integrating velocity again, where s is position and υ is velocity.
The swing trajectory of the batter hitting the ball measures the inclination of the
The starting point (0) of the swing of the club head (404) connected to the starting point (0 ") of the rotary shaft coupling portion (405) swing about the center point (0 ') of the swing swings while drawing a backswing trajectory to reach the top position. After changing the direction at the top of the tower and downswing while drawing the downswing trajectory, the ball is impacted with the ball, and then the real-time acceleration that is finished is measured while drawing the swing trajectory of the follower.
The acceleration on the swing trajectory measured in real time is the
By comparing the real-time position coordinates and real-time tilt of both ends of the club rotation axis (401) with the swing detection program (131) standard swing trajectory, the real-time position coordinates and real-time tilt of both ends of the body rotation axis (402) can be estimated. Z ') swings in the
The
The point immediately before the impact or immediately after the impact can be detected by comparing the coordinates of the standard swing trajectory of the
8 is a diagram illustrating a swing simulation method, and FIG. 9 is a diagram illustrating a swing motion simulation method.
A swing simulation system, a method thereof, and a program thereof for implementing the present invention will be described in detail with reference to FIGS. 1A, 1B, and 7 and FIGS. 8 and 9 that illustrate golf.
The swing information of the batter hitting the ball is detected by the swing simulation system including the
The swing information of the batter hitting the ball stored in the memory sets the reference coordinates that are the reference of the swing by detecting the inclination of the address and the top and finish positions at two points of the
When the acceleration detecting means is also installed in the
In the
In the
The swing detection program of the
In the
The standard swing trajectory of the
The swing simulation consists of two axes of rotation, swinging the
The video simulated as described above can be simulated at a low or high speed, and compared with the standard swing trajectory of the batter to compare the strengths and weaknesses of the swing, and iteratively learns to make the ideal swing to be the ideal swing. Coaching swing simulation method and the program.
8 is an explanatory diagram of a swing simulation method, and FIG. 10 is an explanatory diagram of a simulation method in which a ball flies.
A swing simulation system, a method, and a program thereof for implementing the present invention will be described in detail with reference to FIGS. 1A and 1B to 7 and FIGS. 8 and 10 that illustrate golf.
The swing information of the batter hitting the ball is detected by the swing simulation system consisting of the
As the batter hits the club, the mass
Club head Downswing at the speed of Collide with the ball, and the distance the ball travels is the speed of the clubhead just before the impact. ) And each of the loft (1001) of the club head Is determined by). In the above, the mass of the club and the ball is stored in the swing simulation system, and the speed at which the clubhead passes through the impact direct point ( ), The amount of impact that the clubhead and ball collide with Will be calculated.Speed just before impact
) Detects the swing of the batter hit the ball with the standard swing trajectory of the swing detection program (131) to determine the speed immediately before impact ( ) Will be detected.The velocity vector through which the clubhead passes through the impact zone (
At just before impact ( ) Decreases significantly after colliding with the ball, resulting in the speed right after impact ( ), And the speed before impact ) And speed right after impact ( ) The difference in velocity at the moment of impact can be calculated by calculating the difference, , You can calculate the speed just before impact ) And speed right after impact ( Is calculated by integrating the acceleration detected by the acceleration detecting means.Using the same principle as above, the vertical distance at which the ball flies away from the club head 1001 (
) And horizontal distance ( ) And the time the ball flies ( ) By synthesizing the background or flying
According to the law of conservation of momentum, the speed at which the ball leaves the clubhead (
) Is the speed of the clubhead at impact ), So the flying distance of the ball ( ) Is the speed of the ball just before it hits the clubhead. Is the speed at which the ball leaves the clubhead ) Can be calculated.According to the above principle, the amount of momentum that the club head swings on the swing trajectory
Is ;Mathematical Formulas
In Equation 03
Is the mass of the clubhead, Is the velocity of the club head, and theThe force that the ball flies into the clubhead
Is;Math Formula 04
In Equation 04
Is the mass of the ball Is the speed just before the clubhead hits the ball.The amount of impact on the ball when the clubhead collides with it.
)silver;Math Formula 05
In Equation 05
Is the impact force, Is a constant duration, approximately 0.0005 seconds, which is determined by the elasticity of the ball and the follow-up movement of the clubhead as the impact duration.The amount of impact calculated by the difference between the clubhead speed just before the impact the clubhead hits the ball and the clubhead speed immediately after the impact (
) Is;Math Formulas 06
In Equation 06,
Is the mass of the ball Is the speed just before the impact of the clubhead Is the speed immediately after the impact of the clubhead.According to the law of conservation of momentum, the force that the club head swings and the force that the ball
Because of;Math equation 07
In Equation 07, the force immediately before the clubhead collides with the ball is
And the force that the ball hits the clubhead is flying to be.The force just before the clubhead collides with the ball is
And the force flying the ball at the clubhead is Because of,
Math Formulas 08
Based on Equations 03 to 08,
The force the ball flies just after the clubhead hits the ball (
) And angle ( ) Is;Mathematical Formulas
In Equation 09
Is the force just before the clubhead hits the ball, Is the force the clubhead follows after hitting the ball, Is the force that the ball leaves the clubhead, Is determined by the loft of the club head and the direction in which the club head is followed And the ball is flying in the direction of Angle between.The impact of the ball flying with the clubhead
)silver; In the process of calculating the swing information stored in the memory by the acceleration detecting means with theFlight time until the ball leaves the clubhead and lands on the ground
Is;Math equation 10
In Equation 10
Is the speed at which the ball flies immediately after impact, which is equal to the speed of the clubhead just before impact, Is the angle at which the ball flies and is determined by the loft angle of the club head and the elastic modulus of the ball. Is the acceleration of gravity.Vertical distance when the ball is flying at impact
Is;Math Equation 11
Horizontal distance when the ball is flying at impact
Is;Math Equation 12
In Equation 11 and 12
Is the vertical speed determined by the loft angle of the clubhead and the speed at which it leaves the clubhead. Is, Is the horizontal speed at which the ball ego, Is sec, Is the acceleration of gravity.Impact of the club head and the distance the ball flies
Is;Mathematical Equation 13
In Equation 13
The speed at which the ball flies just after impact of W, Is the throw angle Is the fall angle, which is the same angle as the throw angle, Is the acceleration of gravity.1A is a swing simulation system configuration diagram (a).
Figure 1b is a swing simulation system configuration (b).
2 is a flowchart of a swing simulation method.
3 is a swing simulation system operation flowchart.
4A is an explanatory diagram of a swing trajectory.
4B is an explanatory diagram of a rotating shaft and a swing detection method.
5 is an explanatory diagram of a rotation axis and coordinate setting method.
6 is an explanatory diagram of tilt and position coordinates of a rotating shaft.
7 is an explanatory diagram of a method for detecting acceleration and inclination.
8 is an explanatory diagram of a swing simulation method.
9 is an explanatory diagram of a swing motion simulation method.
10 is an explanatory diagram of a simulation method in which a ball flies.
* Description of the symbols for the main parts of the drawings *
110: detection device 111: acceleration detection means
112: RFID tag 113: microcomputer
114:
121: RFID reader 122: memory
130: program 131: swing detection program
132: swing simulation program
SW-1: Address club head or position immediately before impact club head
SW-2: Club head on back swing track
SW-3: Club Head in Top Position
SW-4: Clubhead on Downswing Track
SW-5: Club head on follow-through track
SW-6: Club head in finish position
0: starting point of club head swing or direct impact point
0 ': Center of
Z ': Rotation axis of the body 406: Back swing trajectory
406a: club head back
407: down
407b: down swing trajectory of the rotating shaft coupling portion
408: Follow Drove Orbit
408a: Club Head Follow-Draw Orbit
408b: Followed orbit of rotating shaft coupling part
409: body rotation axis clockwise rotation
410: body rotation axis counterclockwise rotation
411: moving to the right center of the body
412: move to the center left of the body
401: club rotation shaft 402: body rotation shaft
403: ball 404: clubhead
405: rotating shaft coupling portion 501: golf club
502: body and arm 503: grip
504: sensing area 505: sensing point
A, D: Accelerometer position installed on the club shaft
G, H: Accelerometer position installed on the body rotating shaft
θ1, θ2, θ3: Rotation Angle of the Body Rotation Shaft θ
β1, β2, β3: Angle of bending of the club shaft in the body shaft
701: club head swing trajectory 702: detection device swing trajectory
703: main device swing track 801: computer or portable terminal
802: center point to rotate around the center point (0 ') of the body
803: swing trajectory starting from the rotating shaft engaging portion (0 ")
804: Swing track starting from the starting point of club head swing (0)
901
1001: Club Head Loft 1002: Flying Ball
Claims (16)
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KR1020080078789A KR20100020131A (en) | 2008-08-12 | 2008-08-12 | Swing simulation system and the method and the program |
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