Digital Control and Demodulation Algorithm for Compact Open-Loop Fiber-Optic Gyroscope.

Lin Chen, Zhao Huang, Yuzheng Mao, Biqiang Jiang, Jianlin Zhao

Abstract read

In one paragraph

Article in Sensors (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Lin ChenKey Laboratory of Light Field Manipulation and Information Acquisition, Ministry of Industry and Information Technology, Shaanxi Key Laboratory of Optical Information Technology, School of Physical Science and Technology, Northwestern Polytechnical University, Xi'an 710129, China.

Zhao HuangXi'an Flight Automatic Control Research Institute, Xi'an 710065, China.

Yuzheng MaoXi'an Flight Automatic Control Research Institute, Xi'an 710065, China.

Biqiang JiangKey Laboratory of Light Field Manipulation and Information Acquisition, Ministry of Industry and Information Technology, Shaanxi Key Laboratory of Optical Information Technology, School of Physical Science and Technology, Northwestern Polytechnical University, Xi'an 710129, China.ORCID 0000-0003-2563-3464

Jianlin ZhaoKey Laboratory of Light Field Manipulation and Information Acquisition, Ministry of Industry and Information Technology, Shaanxi Key Laboratory of Optical Information Technology, School of Physical Science and Technology, Northwestern Polytechnical University, Xi'an 710129, China.ORCID 0000-0002-4619-1215

Funding

National Natural Science Foundation of China 61975166

6 · The paper itself

Abstract

With the advantages of small size, low cost, and moderate accuracy, an open-loop fiber-optic gyroscope (FOG) has a wide range of applications around control and automation. For the most cost-sensitive applications, a simple and stable digital algorithm with a reduced control-circuit volume and cost is highly desirable to realize high-precision control of a FOG. In this work, a new algorithm for an open-loop FOG is proposed based on the discrete multi-point demodulation in the sinusoidal modulation period. Utilizing this algorithm, stable control and angular velocity calculation of a gyro are realized with effectively suppressed gyro error. The use of this algorithm greatly reduces the requirements for processing power and simplifies the gyro circuit. Based on this algorithm, a digital FOG with a volume of only 25 × 20 × 40 mm

Indexed as

compactcost-effectivedigital control algorithmopen-loop fiber-optic gyroscope

Identifiers

PMID36772515

DOI10.3390/s23031473

PMCPMC9919796

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.