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한주용(Ju-Yong Han),이동욱(Dong-Wook Lee),허문범(Moon-Beom Heo) 대한전기학회 2014 정보 및 제어 심포지엄 논문집 Vol.2014 No.10
This paper introduces an improvement in accuracy of MEMS-based low cost wave height measurement systems. Wave height measurement systems using low cost inertial sensors suffer from noise causing accumulation error as time passes. We apply curve fitting using Sum of Sine Model(SSM) to a MEMS-based low cost wave height measurement system so as to remove noise. So the system can be free with accumulation error. Also, by applying curve fitting independently every half period of wave, we can make a robust system against change of the period of wave. With SSM, the proposed system has more accurate wave height measurement ability than general wave height measurement systems.