Results 11 to 20 of about 5,015,430 (284)

An Optimization-Based Initial Alignment and Calibration Algorithm of Land-Vehicle SINS In-Motion [PDF]

open access: yesSensors, 2018
For a running freely land-vehicle strapdown inertial navigation system (SINS), the problems of self-calibration and attitude alignment need to be solved simultaneously.
Kang Gao   +3 more
doaj   +2 more sources

Robust Initial Alignment for SINS/DVL Based on Reconstructed Observation Vectors [PDF]

open access: yesIEEE/ASME Transactions on Mechatronics, 2020
Misalignment angle will result in a considerable error for the integration of Doppler velocity log (DVL) and of Strapdown Inertial Navigation System (SINS).
Yiqing Yao, Zetao Guo, Tao Zhang
exaly   +2 more sources

A Multiposition Initial Alignment Method of Portable MIMU/FOG Compound Navigation System

open access: yesIEEE Access, 2020
In the future, a pedestrian navigation system (PNS) will be widely applied. In navigation system, an initial alignment is essential before starting navigation.
Xiaowen Cai   +4 more
doaj   +2 more sources

Improved Kalman filter and its application in initial alignment

open access: yesOptik, 2021
In order to use linear filtering algorithm, many linear Kalman filter models are based on linear hypothesis and assumption of small quantities. In order to improve the robustness of the Kalman filter algorithm in the initial alignment, the influence of ...
, Naibao He, Tong Jinwu
exaly   +2 more sources

Research on the Compensation Strategy of the Initial Alignment of the SINS Based on the Dynamic Model of the Shearer

open access: yesIEEE Access, 2019
The strap-down inertial navigation system (SINS) is a commonly used sensor for autonomous underground navigation that can be used for shearer positioning under a coal mine.
Yuming Chen, Wei Li, Hai Yang, Ting Xia
doaj   +2 more sources

Analysis of Gravity Disturbance Compensation for Initial Alignment of INS

open access: yesIEEE Access, 2020
To address the accuracy requirements of initial alignment of high-precision inertial navigation systems (INSs), gravity disturbance compensation for INSs based on a spherical harmonic model is investigated herein.
Shiwen Hao   +4 more
doaj   +2 more sources

Outlier-Resistant Initial Alignment of DVL-Aided SINS Using Mahalanobis Distance [PDF]

open access: yesSensors
Due to the influence of the complex underwater environment, the initial alignment method for Doppler velocity log (DVL)-aided strap-down inertial navigation systems (SINS) often suffer from performance degradation, especially when DVL measurements are ...
Yidong Shen   +6 more
doaj   +2 more sources

Active Learning and CSI Acquisition for mmWave Initial Alignment [PDF]

open access: yesIEEE Journal on Selected Areas in Communications, 2018
Millimeter wave (mmWave) communication with large antenna arrays is a promising technique to enable extremely high data rates due to large available bandwidth in mmWave frequency bands.
Sung-En Chiu, N. Ronquillo, T. Javidi
semanticscholar   +4 more sources

Sequential Learning of CSI for MmWave Initial Alignment [PDF]

open access: yes2019 53rd Asilomar Conference on Signals, Systems, and Computers, 2019
MmWave communications aim to meet the demand for higher data rates by using highly directional beams with access to larger bandwidth. An inherent challenge is acquiring channel state information (CSI) necessary for mmWave transmission.
N. Ronquillo, Sung-En Chiu, T. Javidi
semanticscholar   +4 more sources

A Fast-Initial Alignment Method With Angular Rate Aiding Based on Robust Kalman Filter

open access: yesIEEE Access, 2019
In this paper, a fast-initial alignment method with angular rate aiding based on robust Kalman filter is proposed. First, the traditional system model of the initial alignment is derived, and the angular rate aiding method in the navigation frame is ...
Xiang Xu, Jiayi Lu, Tao Zhang
doaj   +2 more sources

Home - About - Disclaimer - Privacy