The effect of duration of vibration on hitting sensation

Abstract

In a sport to hit the ball, the sense of touch that occurs when hitting the ball is one of the judgment materials for adjusting the hitting movement. Therefore, in this study, we investigated the perceptual characteristics of vibration, which is one of the factors that generate hitting sensation. Since the duration of the vibration generated when hitting varies depending on the hitting point, we considered that the duration of vibration is a factor that changes the hitting sensation, and a hitting experiment was made utilizing deflection of a cantilever. In the hitting experiment, we measured the force that occurs when hitting a cantilever with a stylus, and we investigated the frequency, the duration of the vibration and the impact force generated by the hitting. In addition, we evaluated the intensity of impact from a subjective sensation and examined the influence of the duration of vibration on hitting sensation. As a result, we clarified that a duration of about 30ms is required to recognize vibration as deflection. In addition, we suggested that the vibration with short duration are captured as part of impact and the vibration with long duration are captured as deflections of cantilever. Furthermore, we confirmed that even if the impact force generated by the hitting was comparable, the intensity of the impact was perceived weakness when the vibration recognized as deflection occurred.