Characteristics of tennis stroke and trajectory of the ball hit by a player using an accelerometer
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In this paper, we predict the drop position of the tennis ball at a given speed and a given angle using the MATLAB and propose the optimal values for swing speed and swing angle in order to send the ball from the center point of one end of the court to another end point of the court. And, a sensor including 3-axes acceleration and gyro, which is attached on the central surface of the racket frame, is used to obtain data. By analyzing the data generated during the swing, the swing type: stroke and volley, and the swing direction: forehand and backhand are classified. Additionally, by analyzing the swing data difference of 3 kinds of grips, we could distinguish interesting characteristics such as swing angle.
Abstract
In this paper, we predict the drop position of the tennis ball at a given speed and a given angle using the MATLAB and propose the optimal values for swing speed and swing angle in order to send the ball from the center point of one end of the court to another end point of the court. And, a sensor including 3-axes acceleration and gyro, which is attached on the central surface of the racket frame, is used to obtain data. By analyzing the data generated during the swing, the swing type: stroke and volley, and the swing direction: forehand and backhand are classified. Additionally, by analyzing the swing data difference of 3 kinds of grips, we could distinguish interesting characteristics such as swing angle.