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 …

Research on GNSS INS & GNSS/INS integrated navigation method for autonomous vehicles: A survey

Y He, J Li, J Liu - IEEE Access, 2023 - ieeexplore.ieee.org
Autonomous Vehicles have become the focus of research around the world. Meanwhile, the
continuous development of various emerging technologies in recent years has paved the …

A fast robust in-motion alignment method for SINS with DVL aided

X Xu, Y Sun, J Gui, Y Yao… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this paper, a fast robust in-motion alignment method is proposed for the strapdown inertial
navigation system (SINS) with DVL aided. The proposed method is divided into two …

In-motion initial alignment using state-dependent extended Kalman filter for strapdown inertial navigation system

F Pei, S Yang, S Yin - IEEE Transactions on Instrumentation …, 2020 - ieeexplore.ieee.org
The in-motion alignment of the strapdown inertial navigation system (SINS) is still a
challenging problem due to the complex environmental changes that occur during carrier …

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 …

Odometer aided SINS in-motion alignment method based on backtracking scheme for large misalignment angles

Z Wen, G Yang, Q Cai, Y Sun - IEEE Access, 2019 - ieeexplore.ieee.org
In-motion alignment of Strapdown Inertial Navigation Systems (SINS) without any geodetic-
frame observations is one of the toughest challenges for odometer aided navigation system …

Robust optimization-based alignment method based on projection statistics algorithm

B Zhu, J Li, M Cui, G Cui - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
Due to the complex underwater environment, the assisted velocity provided by Doppler
velocity log (DVL) may be contaminated by non-Gaussian noise. This will degrade the …

Coarse alignment based on weighted observation vectors in mooring state for surface targets

H Zhang, X Xu, T Zhang, S Zhou… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Random angular motion and instantaneous linear motion are the main interference sources
to the coarse alignment of strapdown inertial navigation system (SINS) in mooring state. To …

An improved in-flight alignment method based on backtracking navigation for GPS-aided low cost SINS with short endurance

X Wei, J Li, K Feng, D Zhang - IEEE Robotics and Automation …, 2021 - ieeexplore.ieee.org
Aiming at the problem that the low-cost Strapdown Inertial Navigation System (SINS)/Global
Positioning System (GPS) cannot effectively achieve fast in-flight alignment with short …

[HTML][HTML] In-Motion Forward–Forward Backtracking Fine Alignment Based on Displacement Observation for SINS/GNSS

Y Zhu, Y Zhu, X Wei, B Cui, S Liu - Sensors, 2024 - mdpi.com
To solve the problem of slow convergence seen in the traditional fine alignment algorithm
based on linear Kalman filtering, a forward–forward backtracking fine alignment algorithm …