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Fiber Optic Gyroscope (FOG) IMU accuracy is primarily influenced by
temperature-induced drift in optoelectronic components, scale factor errors, and environmental vibrations
. High-performance FOGs require precise factory calibration to manage these factors, particularly in dynamic environments like aviation or underwater navigation, where rapid temperature changes or vibrations affect sensor bias and stability.
Key factors influencing FOG IMU accuracy include:
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Scholarly articles for factors influencing fog imu accuracy |
|
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… and negative
FOG
scale
factors
using a low-
precision
…
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Pan
- Cited by 5
A new calibration method of MEMS
IMU
plus
FOG IMU
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Lu
- Cited by 38
In-field fast calibration of
FOG
-based MWD
IMU
for …
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Li
- Cited by 27
|
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Factors Affecting Inertial Navigation Accuracy and Optimization ...
GuideNav
https://guidenav.com
› blog › factors-affecting-inertial-...
GuideNav
https://guidenav.com
› blog › factors-affecting-inertial-...
Factors Affecting Accuracy:
Sensor Errors
:Accelerometer errors (such as bias, scale factor errors, noise, etc.) and gyroscope errors (such as bias drift, ...
Measurement Error and Calibration of FOG IMU
Medium · Ericco Inertial Technology
1 year ago
Medium · Ericco Inertial Technology
1 year ago
In addition, parameters calibrated at room temperature will reduce
FOG IMU
measurement
accuracy
if applied at high or low temperatures. Methods ...
Read more
MEMS Vs FOG: What Inertial System Should You Choose?
Advanced Navigation
https://www.advancednavigation.com
› Tech Articles
Advanced Navigation
https://www.advancednavigation.com
› Tech Articles
Feb 10, 2022
—
Both FOG and MEMS accuracy are impacted by
variations in temperature
. This problem is typically mitigated by calibrating the system across the ...
Read more
A time asynchronous parameters calibration method ...
IOPscience
https://iopscience.iop.org
› article
IOPscience
https://iopscience.iop.org
› article
by J Chang
2023
Cited by 6
—
Thus, factory calibration is generally implemented to improve the precision of FOG-IMU by reducing the influences of error parameters, such as ...
Read more
A novel hybrid calibration method for FOG-based IMU
ScienceDirect.com
https://www.sciencedirect.com
› article › abs › pii
ScienceDirect.com
https://www.sciencedirect.com
› article › abs › pii
by B Xu
2019
Cited by 22
—
In this paper, a hybrid grading calibration method is proposed. High-precision calibration parameters is available using low precision turntable with the same ...
Read more
Application and Development of Fiber Optic Gyroscope Inertial ...
National Institutes of Health (NIH) | (.gov)
https://pmc.ncbi.nlm.nih.gov
› articles › PMC10303591
National Institutes of Health (NIH) | (.gov)
https://pmc.ncbi.nlm.nih.gov
› articles › PMC10303591
by H Xu
2023
Cited by 22
—
Thirdly, the presence of signal interference in the underground space, such as geomagnetic fields, can cause errors in the
FOG
and the accelerometer, which in ...
Read more
MEMS vs FOG: What Inertial System Should You Choose?
Inertial Labs
https://inertiallabs.com
› Resources › White Papers
Inertial Labs
https://inertiallabs.com
› Resources › White Papers
Nov 26, 2024
—
Linear acceleration can cause significant offsets, directly affecting the accuracy of position estimation in INS.
Read more
Influence analysis of IMU accuracy on spoofing detection ...
Ericco Inertial Technology
https://www.ericcointernational.com
› application › infl...
Ericco Inertial Technology
https://www.ericcointernational.com
› application › infl...
Jan 10, 2024
—
IMU
is used to measure the angular velocity and acceleration of objects. The
accuracy
of the
IMU
determines the
accuracy
.
(820)
Examining the High Precision FOG IMU market factors ...
LinkedIn · Veritik
1 week ago
LinkedIn · Veritik
1 week ago
The High Precision FOG IMU market is significantly shaped by various complex factors including
trade regulations and evolving import-export
...
Read more
Estimated the scale factors of accelerometers triad of FOG ...
ResearchGate
https://www.researchgate.net
› figure › Estimated-the-sc...
ResearchGate
https://www.researchgate.net
› figure › Estimated-the-sc...
The error of its Inertial Measurement Unit (
IMU
) plays an important role in INS
accuracy
. After the error of the
IMU
is calibrated and compensated, the ...
Read more