Rotary INS self-alignment method based on backtracking filtering under large misalignment angle

C Zhang, J Li, K Feng, X Wei - Measurement, 2024 - Elsevier
In the initial alignment, the accuracy of static base alignment is mainly limited by the short
alignment time, the poor observability of azimuth misalignment, and sensor error. Traditional …

An adaptive multiple backtracking UKF method based on Krein space theory for marine vehicles alignment process

J Wang, X Chen, X Shao - IEEE Transactions on Vehicular …, 2022 - ieeexplore.ieee.org
The large misalignment errors of horizontal and azimuthal angle cannot be converged
rapidly on the sea surface due to extra disturbance of linear and angular motions caused by …

Mounting parameter estimation from velocity vector observations for land vehicle navigation

Q Zhang, Y Hu, S Li, T Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A velocity model composing speed sensors and motion constraints is used as the direct and
effective auxiliary information of global navigation satellite system (GNSS)/inertial navigation …

A robust backtracking CKF based on Krein space theory for in-motion alignment process

J Wang, X Chen, J Liu, X Zhu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The large misalignment angle errors generated by coarse alignment and the uncertainty
time-varying calibration errors generated by the inertial measurement unit reduce the …

A novel bluetooth-odometer-aided smartphone-based vehicular navigation in satellite-denied environments

Z Wen, G Yang, Q Cai, T Chen - IEEE Transactions on Industrial …, 2022 - ieeexplore.ieee.org
This article investigates a novel Bluetooth odometer (BOD)-aided smartphone-based
vehicular navigation system for satellite-denied environments. First, a wheel-mounted BOD …

An improved SINS/NHC integrated navigation algorithm based on Ackermann turning geometry

Z Wen, G Yang, Q Cai - Measurement, 2022 - Elsevier
The non-holonomic constraint (NHC) is a common auxiliary information based on the motion
characteristics of land vehicles to improve navigation accuracy. Affected by Ackermann …

A method for self calibration of HINS parameters based on reverse navigation

P Yao, G Yang, X Peng, J Peng - Measurement, 2024 - Elsevier
Aiming at the problem of incomplete parameter identification for error calibration in hybrid
inertial navigation systems (HINS), which leads to poor navigation accuracy. The article …

A high-accuracy initial alignment method based on backtracking process for strapdown inertial navigation system

Y Lin, L Miao, Z Zhou - Measurement, 2022 - Elsevier
When the alignment time is short, the traditional initial alignment method of strapdown
inertial navigation system has very low accuracy, and even the attitude angle error is difficult …

A Digital Track Map-Assisted SINS/OD Fusion Algorithm for Onboard Train Localization

W Chen, G Yang, Y Tu - Applied Sciences, 2023 - mdpi.com
Accurate and reliable speed and position estimation plays an important role in the safety
and efficiency of intelligent railway vehicles. Due to the level required of safety, reliability …

An autonomous smartphone embedded inertial sensors aided vehicular navigation method in satellite-denied areas

Z Wen, G Yang, Q Cai - Measurement, 2023 - Elsevier
An autonomous smartphone embedded inertial sensors aided vehicular navigation method
is proposed in this study to solve the low accuracy of the embedded sensors and the …