Automated frequency and quality-factor matching method for frequency modulated / rate integrating gyroscope

Research output: Contribution to journalArticlepeer-review

Abstract

This paper reports an automated tuning method for a frequency modulated / rate integrating gyroscope (FM/RIG). The frequency and quality factor mismatches in a MEMS resonator cause the mode-coupling, thus degrade the accuracy of the gyroscope. The X-Y phase difference and amplitude ratio of driving signals are used as the tuning parameters for the mismatch compensation. An automated tuning method based on the relationship between those tuning parameters and mode-coupling terms were developed. Using the proposed method, the mode-coupling effect, which comes from the frequency and quality factor mismatch, could be 3 orders of magnitude smaller than the noncompensated one.

Original languageEnglish
Pages (from-to)57-63
Number of pages7
JournalElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
Volume209
Issue number3-4
DOIs
Publication statusPublished - 2019 Dec 1

Keywords

  • MEMS gyroscope
  • degenerated resonator
  • frequency modulated gyroscope
  • mode matching
  • rate integrating (whole angle) gyroscope

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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