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Displacement Estimation using MEMS Accelerometer for Low Frequency Motion

저주파운동해석을 위한 MEMS 가속도계를 이용한 변위 추정

  • 탄시영 (동서대학교 대학원 메카트로닉스공학과) ;
  • 박수홍 (동서대학교 메카트로닉스공학과)
  • Received : 2013.04.26
  • Accepted : 2013.06.21
  • Published : 2013.06.30

Abstract

MEMS accelerometer provides a low cost alternative in retrieving the acceleration signal for motion sensing. Theoretically, displacement can be calculated by double integrate the acceleration signal. However, in practical, it could not be done in straight forward manner due to several factors that exist in the real world. This experiment focuses on the processes from practical accelerometer signal acquisition till the result of double integration for low frequency vertical motion.