Investigation of Thermoelastic Damping in Microelectromechanical System (MEMS) Quadruple-Mass Gyroscope (QMG) Designs
Abstract
Thermoelastic damping (TED) is an intrinsic damping source in microelectromechanical system resonators that limits the quality factor (Q). In this report, we document the process developed to model TED in quadruple-mass gyroscope (QMG) designs using COMSOL Multiphysics software. Modeled QMG TED performance is compared with experimental results and analytical models. Areas with low Q are found in the QMG designs where the anchor springs connect to the shuttles and potential design improvements are explored. The TED modeling process is then applied to a disk resonator gyroscope design and future experiments/modeling for device optimization are discussed.
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 01, 2021
- Accession Number
- AD1144809
Entities
People
- A. Mazzoni
- Jeff Pulskamp
- Ryan Knight
- Ryan Q. Rudy
Organizations
- Oak Ridge Associated Universities
- United States Army