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Design on the driving mode of MEMS vibratory gyroscope

  • Ranran Yi*
  • , Bangcheng Han
  • , Wei Sheng
  • *Corresponding author for this work
  • Lab. of Fundamental Sci. for Natl. Defense of Novel Inertial Instrum. and Navigation Syst. Technol.

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

Abstract

Driving mode of MEMS (Micro-Electro-Mechanical Systems) Vibratory Gyroscope is discussed in the paper. We analyze the closed-loop circuit of MEMS gyroscope from two aspects of amplitude fixed and frequency locking. In the amplitude fixed circuit, Automatic Gain Control (AGC) circuit is employed to update the amplitude of the driving force, together with a PI controller to improve the accuracy and stability of the system. In the frequency locking circuit, two ways of PLL (Phase Locked Loop) and self-oscillation are used to improve the reliability of the system. Different levels of simulation and circuit implementation are made using the working mode and parameter of the dual-tuner output-quality pieces of silicon MEMS gyroscope which is designed by our own laboratory.

Original languageEnglish
Title of host publicationIntelligent Robotics and Applications - First International Conference, ICIRA 2008, Proceedings
Pages232-239
Number of pages8
EditionPART 2
DOIs
StatePublished - 2008
Externally publishedYes
Event1st International Conference on Intelligent Robotics and Applications, ICIRA 2008 - Wuhan, China
Duration: 15 Oct 200817 Oct 2008

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
NumberPART 2
Volume5315 LNAI
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference1st International Conference on Intelligent Robotics and Applications, ICIRA 2008
Country/TerritoryChina
CityWuhan
Period15/10/0817/10/08

Keywords

  • Fixed amplitude
  • MEMS
  • Multisim
  • PLL
  • Self-oscillation

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