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Experimental Evaluation of the Gyroscope Sensor used in a New Gait Phase Detection System


T. Keller

International Functional Electrical Stimulation Society Conference, Sendai, Japan

This paper focuses on the experimental evaluation of a gyroscope sensor used in a new gait phase detection system, which has previously been presented in [1]. The system distinguishes four phases during walking (stance, heel-off, swing and heel-strike) and consists of three force sensitive resistors, a gyroscope and a processing unit. The system has been successfully tested by subjects with normal and pathological gait styles. Further, it has been verified that the system works with very high reliability even on irregular ground surfaces and varying ground inclinations. The contribution of this paper lies in the in-depth analysis of the processing of the gyroscope signal. Miniaturized gyroscopes have recently been used also in other biomedical applications, for which the presented results are of particular interest.

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