PT1.56 - Method for Increasing Amplitude of Cluster Dither in RLG-based Small-size Inertial Measurement Unit
- Event
- EUROSENSORS XXXVI
2024-09-01 - 2024-09-04
Debrecen (Hungary) - Band
- Poster
- Chapter
- PT1 - Theory, Modelling, Design and Testing
- Author(s)
- J. E. An, C. Kim, K. H. Chong - Agency for Defense Development, Daejeon (South Korea)
- Pages
- 231 - 232
- DOI
- 10.5162/EUROSENSORSXXXVI/PT1.56
- ISBN
- 978-3-910600-03-4
- Price
- free
Abstract
The lock-in problem affecting ring laser gyroscopes (RLGs) is typically alleviated by applying a mechan-ical vibration to the RLG body using a dither. A cluster dither, which can excite three RLGs simultane-ously, can facilitate the miniaturization of RLG-based inertial measurement units (IMUs). This study examines the mechanical parameters of an IMU that affect the amplitude of the cluster dither. For this purpose, a model with two linearly damped coupled linear oscillators was used, and the theoretical analysis results were experimentally validated.