Results 91 to 100 of about 5,143 (196)

Optimization-based Alignment for Strapdown Inertial Navigation System Comparison and Extension

, 2016
In this paper, the optimization-based alignment (OBA) methods are investigated with main focus on the vector observations construction procedures for the strapdown inertial navigation system (SINS). The contributions of this study are twofold.
Chang, Lubin, Li, Jingshu, Li, Kailong
core   +1 more source

A Novel Adaptive H∞ Filtering Method with Delay Compensation for the Transfer Alignment of Strapdown Inertial Navigation Systems

Sensors, 2017
Transfer alignment is always a key technology in a strapdown inertial navigation system (SINS) because of its rapidity and accuracy. In this paper a transfer alignment model is established, which contains the SINS error model and the measurement model ...
Weiwei Lyu, Xianghong Cheng
doaj   +1 more source

An FGO-based Unified Initial Alignment Method of Strapdown Inertial Navigation System

, 2022
The initial alignment process can provide an accurate initial attitude of strapdown inertial navigation system. The conventional two-procedure method usually includes coarse and fine alignment processes.
Ye, Xiufen, Zhou, Hanwen
core  

Optimizing AUV Navigation Using Factor Graphs with Side-Scan Sonar Integration

Journal of Marine Science and Engineering
For seabed mapping, the prevalence of autonomous underwater vehicles (AUVs) employing side-scan sonar (SSS) necessitates robust navigation solutions. However, the positioning errors of traditional strapdown inertial navigation system (SINS) and Doppler ...
Lin Zhang, Yanbin Gao, Lianwu Guan
doaj   +1 more source

Calibration angular velocity sensors strapdown INS by vector accordance with precision INS [PDF]

, 2016
In this work the results of calibration four accelerometers of SINS by vector accordance with precision inertial navigation system are obtained by means of mathematical modeling.
Galamay, A. A., Галамай, А. А.
core  

Development of an evaluation technique for strapdown guidance systems Interim report, 1 Feb. 1968 - 1 Feb. 1969 [PDF]

Evaluation techniques for astrionics systems using aided strapdown inertial ...
Blutreich, J. N., Hitt, E. F., Rhea, F. G.   +2 more
core   +1 more source

Research on Positioning Technology in GNSS-Denied Environments Based on At-LSTM

Journal of Harbin University of Science and Technology
To address the issue of decreased positioning accuracy in GNSS-denied environments for the Global Navigation Satellite System/ Strapdown Inertial Navigation System (GNSS / SINS) integrated navigation system, an integrated navigation system assisted by
SUN Bin, ZHOU Chongfu, PI Zhongchao, ZHANG Jiabiao, SHEN Feng   +4 more
doaj   +1 more source

Evaluation of selected strapdown inertial instruments and pulse torque loops, volume 1 [PDF]

Design, operational and performance variations between ternary, binary and forced-binary pulse torque loops are presented. A fill-in binary loop which combines the constant power advantage of binary with the low sampling error of ternary is also ...
Feldman, J., Lory, C. B., Sinkiewicz, J. S.   +2 more
core   +1 more source

Apollo guidance, navigation, and control: Candidate configuration trade study, Stellar-Inertial Measurement System (SIMS) for an Earth Observation Satellite (EOS) [PDF]

The ten candidate SIMS configurations were reduced to three in preparation for the final trade comparison. The report emphasizes subsystem design trades, star availability studies, data processing (smoothing) methods, and the analytical and simulation ...
Coccoli, J., Mckern, R., Ogletree, G., Smith, M., White, R.   +4 more
core   +1 more source

GNSS/SINS/DVL Integrated Navigation Algorithm Based on State Transformation Extend Kalman Filtering

IEEE Access
Unmanned Underwater Vehicle (UUV) typically employs the Doppler velocity logger/Strapdown Inertial Navigation System (DVL/SINS) integrated navigation mode for underwater operations, yet it need to surface periodically to receive Global Navigation ...
Zhao Zhan, Kaidi Jin, Minzhi Xiang, Min Wang, Changjian Liu   +4 more
doaj   +1 more source