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Fiber optic gyroscope (FOG) calibration involves determining error parameters—bias, scale factor, and misalignment—to ensure precise navigation. Key methods include
static testing using Earth’s rotation, multi-position turntable rotations (e.g., 19-position, 10-rotation), and Kalman filtering to estimate errors, often integrating accelerometers to correct inertial measurement unit (IMU) data
.
Key Calibration Methods and Techniques
- Static Discrete Calibration : Utilizes the Earth's rotation and a high-precision, multi-axis turntable to determine the scale factor, bias, and installation errors.
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Calibration method for misalignment angles of a fiber optic ...
Optica Publishing Group
https://opg.optica.org
› abstract
Optica Publishing Group
https://opg.optica.org
› abstract
by J Ban
2022
Cited by 8
—
This paper proposes
a calibration method based on fine alignment algorithm
to calibrate the gyroscopes' misalignment angles. Its accuracy is proven by ...
Read more
How is the Calibration Process Performed for a Single Axis ...
SkyMEMS
https://www.skymems.com
› Industry News
SkyMEMS
https://www.skymems.com
› Industry News
In this article, we will discuss the
calibration process
for single axis
fiber optic
gyroscopes (SAFOGs), which are commonly used in aerospace and defense ...
Read more
Method and system for calibrating a fiber optic gyroscope
Google Patents
https://patents.google.com
› patent
Google Patents
https://patents.google.com
› patent
It should be noted that the interruption during
calibration
can be eliminated by further modulating the light from the light source and/or the reference light ...
Read more
How is the Calibration Process Performed for a Single Axis ...
PCB HERO
https://www.pcb-hero.com
› blogs › lisas-column › how-...
PCB HERO
https://www.pcb-hero.com
› blogs › lisas-column › how-...
Jul 13, 2024
—
The calibration process for a single-axis Fiber Optic Gyroscope (FOG)
involves several critical steps
to ensure its accuracy and reliability ...
A Fast and Non-Directional Calibration Method for Fiber ...
IEEE Xplore
https://ieeexplore.ieee.org
› document
IEEE Xplore
https://ieeexplore.ieee.org
› document
by Z Wang
2019
Cited by 4
—
The laboratory three-axis inertial test turntable is used to improve the
calibration
accuracy of the
fiber optic gyro
inertial navigation system and improve ...
Calibration method for misalignment angles of a fiber optic ...
National Institutes of Health (NIH) | (.gov)
https://pubmed.ncbi.nlm.nih.gov
› ...
National Institutes of Health (NIH) | (.gov)
https://pubmed.ncbi.nlm.nih.gov
› ...
by J Ban
2022
Cited by 8
—
This paper proposes
a calibration method based on fine alignment algorithm
to calibrate the gyroscopes' misalignment angles.
Read more
How Do Fiber Optic Gyros Work?
Canal Geomatics
https://canalgeomatics.com
› knowledgebase › how-do-...
Canal Geomatics
https://canalgeomatics.com
› knowledgebase › how-do-...
During manufacturing,
fiber optic gyros are calibrated
to correct for several potential sources of error that may be introduced by the gyro itself or the ...
Read more
Systematic calibration method based on acceleration and ...
AIP Publishing
https://pubs.aip.org
› aip › rsi › article › Systematic-cali...
AIP Publishing
https://pubs.aip.org
› aip › rsi › article › Systematic-cali...
Jan 5, 2021
—
A simple systematic
calibration method
based on acceleration and angular rate measurements is introduced for the
fiber
-
optic gyro
strapdown ...
Read more
Calibration Method of Angular Velocity Sensor for Single- ...
Ericco Inertial Technology
https://www.ericcointernational.com
› application › cali...
Ericco Inertial Technology
https://www.ericcointernational.com
› application › cali...
Jul 20, 2023
—
The measurement data of inertial devices are compensated by
calibration
parameters and then navigation is solved to improve navigation accuracy.
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(820)
An alternative gyroscope calibration methodology - UJ Content
University of Johannesburg
https://ujcontent.uj.ac.za
› esploro › outputs › doctoral
University of Johannesburg
https://ujcontent.uj.ac.za
› esploro › outputs › doctoral
by JAF Du Plessis
Cited by 4
—
The specific focus of the study is to determine whether it is possible to reduce the
calibration
cost of the
Fiber
-
Optic
Gyroscopes through the ...
Read more
Scholarly articles for fiber optic gyroscope calibration method |
|
|
Self-
calibration method
based on navigation in high- …
-
Wang
- Cited by 56
Study on error
calibration
of
fiber optic gyroscope
…
-
Chen
- Cited by 51
… with a precision-
calibrated fiber
-
optic gyroscope
-
Chung
- Cited by 204
|
|