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Turning Recognition System Using GPS Data for Hang-Gliding Training

In the hang gliding activity, GPS loggers are used for a contest evaluation and a self-study. However, the user cannot get useful information(height change, glide ratio, rise rate at turning, etc.) for the learning, because they confirm their flight path only. Therefore it is difficult for beginners to evaluate and reflect on their flight. This paper describes a method to detect and analyze turning skills using data of GPS trajectory to learn the support of turning operation of a hang glider.