Noise analysis of mode matched vibratory gyroscopes

Name: Noise analysis of mode matched vibratory gyroscopes
Author: Çetin, Hakan, Yaralıoğlu, Göksen Göksenin

İsim	Noise analysis of mode matched vibratory gyroscopes
Yazar	Çetin, Hakan, Yaralıoğlu, Göksen Göksenin
Basım Tarihi:	2023-01
Basım Yeri	- Springer
Tür	Süreli Yayın
Dil	İngilizce
Dijital	Evet
Yazma	Hayır
Kütüphane:	Özyeğin Üniversitesi
Demirbaş Numarası	0946-7076
Kayıt Numarası	79ffacd5-2da8-4d5a-9f20-7a8d90ea8734
Lokasyon	Electrical & Electronics Engineering
Tarih	2023-01
Notlar	TÜBİTAK
Örnek Metin	MEMS (micro-electromechanical system) vibratory gyroscopes have attracted a lot of interest recently and these gyroscopes made their way through portable devices and smart phones. However, their performance is not enough to cope with the demanding requirements of applications such as dead reckoning. Mode-matched gyroscopes can be a solution for this problem. Various mode-matched gyroscope architectures have been proposed and their noise performances have been analyzed in detail. However, in most of these analyses zero-rate output was considered and the noise analysis for dynamic cases were ignored. In this paper, we demonstrate the noise analysis of mode-matched vibratory gyroscope using the power spectral density (PSD) and the Allan deviation methods while in rotation. We show that for mode-matched gyros the noise performance of a rotating gyro can be significantly different from that of a gyro that does not experience any rotation. We also show that this difference is due to the coupling between the drive and sense systems via Coriolis force. This sets a fundamental limit for the noise performance of mode-matched vibratory gyroscopes where ARW (angle random walk) increases proportionally with the rotation rate for the open loop and the force to rebalance operation modes.
DOI	10.1007/s00542-022-05365-x
Cilt	29

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Noise analysis of mode matched vibratory gyroscopes

Yazar Çetin, Hakan, Yaralıoğlu, Göksen Göksenin

Basım Tarihi 2023-01

Basım Yeri - Springer

Tür Süreli Yayın

Dil İngilizce

Dijital Evet

Yazma Hayır

Kütüphane Özyeğin Üniversitesi

Demirbaş Numarası 0946-7076

Kayıt Numarası 79ffacd5-2da8-4d5a-9f20-7a8d90ea8734

Lokasyon Electrical & Electronics Engineering

Tarih 2023-01

Notlar TÜBİTAK

Örnek Metin MEMS (micro-electromechanical system) vibratory gyroscopes have attracted a lot of interest recently and these gyroscopes made their way through portable devices and smart phones. However, their performance is not enough to cope with the demanding requirements of applications such as dead reckoning. Mode-matched gyroscopes can be a solution for this problem. Various mode-matched gyroscope architectures have been proposed and their noise performances have been analyzed in detail. However, in most of these analyses zero-rate output was considered and the noise analysis for dynamic cases were ignored. In this paper, we demonstrate the noise analysis of mode-matched vibratory gyroscope using the power spectral density (PSD) and the Allan deviation methods while in rotation. We show that for mode-matched gyros the noise performance of a rotating gyro can be significantly different from that of a gyro that does not experience any rotation. We also show that this difference is due to the coupling between the drive and sense systems via Coriolis force. This sets a fundamental limit for the noise performance of mode-matched vibratory gyroscopes where ARW (angle random walk) increases proportionally with the rotation rate for the open loop and the force to rebalance operation modes.

DOI 10.1007/s00542-022-05365-x

Cilt 29