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Micromachines 2017, 8(3), 68; doi:10.3390/mi8030068

Comprehensive Calibration of Strap-Down Tri-Axis Accelerometer Unit

1,2
,
1,3,* , 1,3
and
3,4
1
National Key Laboratory for Electronic Measurement Technology, North University of China, Taiyuan 030051, China
2
School of Computer Science and Control Engineering, North University of China, Taiyuan 030051, China
3
School of Instrument and Electronics, North University of China, Taiyuan 030051, China
4
Key Laboratory of Instrumentation Science & Dynamic Measurement, Ministry of Education, North University of China, Taiyuan 030051, China
*
Author to whom correspondence should be addressed.
Academic Editor: Ha Duong Ngo
Received: 6 December 2016 / Revised: 18 February 2017 / Accepted: 21 February 2017 / Published: 27 February 2017
View Full-Text   |   Download PDF [2353 KB, uploaded 27 February 2017]   |  

Abstract

This paper proposes a comprehensive calibration method to improve the precision of a strap-down tri-axis accelerometer unit, in which parameters are divided into static and dynamic ones. The contribution of the manuscript is that it solves the problem of inappropriate installation and the size effect error for tri-axis accelerometer unit at high speed by using static and dynamic calibration method, respectively. The experiment results show the measuring accuracy of accelerometers is increased by more than one order of magnitude, and the navigation precision is increased by more than two orders of magnitude. View Full-Text
Keywords: strap-down tri-axis accelerometer; static error; dynamic error; calibration strap-down tri-axis accelerometer; static error; dynamic error; calibration
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhang, X.; Li, J.; Qin, L.; Shen, C. Comprehensive Calibration of Strap-Down Tri-Axis Accelerometer Unit. Micromachines 2017, 8, 68.

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