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Fabrication of Mems Bulk Sic-Based Accelerometer and its Application in Ground Test of Aero-Engine

  • Beihang University
  • National Key Laboratory of Science and Technology on Aero Engines Aero-Thermodynamics

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

Abstract

This paper reports a MEMS accelerometer based on bulk SiC. The fabrication and packaging scheme were designed, an efficient signal processing circuit was built, and the output performance of the sensor was tested. The test results show that the resistivity of the piezoresistive material is 194.40 Ωum, the sensor's output sensitivity is 0.21 mV/g, the linearity is 99.8%, and the resonance frequency is 1636 Hz. Finally, the accelerometer was applied to the two ground vibration tests of aero-engine, and the vibration signal of the turbine components and the test bed was successfully extracted.

Original languageEnglish
Title of host publication2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2050-2053
Number of pages4
ISBN (Electronic)9784886864352
StatePublished - 2023
Event22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023 - Kyoto, Japan
Duration: 25 Jun 202329 Jun 2023

Publication series

Name2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023

Conference

Conference22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023
Country/TerritoryJapan
CityKyoto
Period25/06/2329/06/23

Keywords

  • MEMS
  • accelerometer
  • aero-engine applications
  • silicon carbide

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