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In-plane Dual-axis MEMS Resonant Accelerometer with A Uniform Sensitivity

  • Shudong Wang
  • , Weilong Zhu
  • , Yajing Shen
  • , Juan Ren
  • , Xueyong Wei
  • Xi'an Jiaotong University
  • The University of Hong Kong
  • Chang'an University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

In this work, we present a high-performance MEMS resonant accelerometer. The finite element method (FEM) results showed that the sensor can measure the magnitude and direction of in-plane acceleration at the same time. Meanwhile, the novel structure can theoretically eliminate the influence of temperature drift. The practical testing results indicated the combined scale factor of the proposed sensor can reach more than 4026.5Hz/g. The Allan deviation results showed that the typical zero-bias stability of the self-excited oscillator was about 80ppb, and the resolution of the sensor was about 6.6μg.

Original languageEnglish
Title of host publicationINERTIAL 2020 - 7th IEEE International Symposium on Inertial Sensors and Systems, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728129839
DOIs
StatePublished - Mar 2020
Event7th IEEE International Symposium on Inertial Sensors and Systems, INERTIAL 2020 - Hiroshima, Japan
Duration: 23 Mar 202026 Mar 2020

Publication series

NameINERTIAL 2020 - 7th IEEE International Symposium on Inertial Sensors and Systems, Proceedings

Conference

Conference7th IEEE International Symposium on Inertial Sensors and Systems, INERTIAL 2020
Country/TerritoryJapan
CityHiroshima
Period23/03/2026/03/20

Keywords

  • MEMS
  • dual-axis
  • resonant accelerometer

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