Journal
MEASUREMENT
Volume 131, Issue -, Pages 380-393Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.measurement.2018.09.010
Keywords
Bias; Coriolis Vibratory gyroscope; Turn-on
Funding
- National Natural Science Foundation of China [51705430]
- [JCYJ20170306154045928]
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The turn-on bias behaviour of a Coriolis vibratory gyroscope (MCVG) is theoretically modelled, numerically simulated and experimentally verified in this paper. First, the bias-temperature relationship during the thermal start-up process is analytically established. Second, the bias-time characteristic is modelled by analyses of different transient responses via different pathways in the heat transfer process. Finally, an experimental verification method is proposed to verify the established turn-on bias model. The comparison proves the established model can predict the turn-on bias behaviour of MCVGs with an acceptable error of 9%. (C) 2018 Elsevier Ltd. All rights reserved.
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