A Polar Initial Alignment Algorithm for Unmanned Underwater Vehicles [PDF]
Sensors, 2017 Due to its highly autonomy, the strapdown inertial navigation system (SINS) is widely used in unmanned underwater vehicles (UUV) navigation. Initial alignment is crucial because the initial alignment results will be used as the initial SINS value, which ...
Zheping Yan +5 more
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Polar Transversal Initial Alignment Algorithm for UUV with a Large Misalignment Angle [PDF]
Sensors, 2018 The conventional initial alignment algorithms are invalid in the polar region. This is caused by the rapid convergence of the Earth meridians in the high-latitude areas.
Zheping Yan +4 more
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An Improved Strapdown Inertial Navigation System Initial Alignment Algorithm for Unmanned Vehicles [PDF]
Sensors, 2018 Along with the development of computer technology and informatization, the unmanned vehicle has become an important equipment in military, civil and some other fields.
Ya Zhang, Fei Yu, Wei Gao, Yanyan Wang
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One-Step Initial Alignment Algorithm for SINS in the ECI Frame Based on the Inertial Attitude Measurement of the CNS [PDF]
Sensors, 2022 To solve the problem of high-precision and fast initial alignment for the Strapdown Inertial Navigation System (SINS) under both dynamic and static conditions, the high-precision attitude measured by the celestial navigation system (CNS) is used as the ...
Jun Tang +3 more
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An Optimization-Based Initial Alignment and Calibration Algorithm of Land-Vehicle SINS In-Motion [PDF]
Sensors, 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
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HEALPix-IA: A Global Registration Algorithm for Initial Alignment [PDF]
Sensors, 2019 Methods of point cloud registration based on ICP algorithm are always limited by convergence rate, which is related to initial guess. A good initial alignment transformation can sharply reduce convergence time and raise efficiency.
Yongzhuo Gao +4 more
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Initial Alignment Algorithm Based on the DMCS Method in Single-Axis RSINS with Large Azimuth Misalignment Angles for Submarines [PDF]
Sensors, 2018 Since the inertial sensor error has been modulated effectively by the Rotation Modulation Technique (RMT), the Rotation Strapdown Inertial Navigation System (RSINS) has been widely used for submarines in order to satisfy the requirement of high-accuracy ...
Xiu-Wei Xia, Qian Sun
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An Improved Strong Tracking Kalman Filter Algorithm for the Initial Alignment of the Shearer
Complexity, 2019 The strap-down inertial navigation system (SINS) is a commonly used sensor for autonomous underground navigation, which can be used for shearer positioning under a coal mine.
Yuming Chen +4 more
doaj +2 more sources
An improved initial alignment method based on adaptive robust CKF algorithm
Xibei Gongye Daxue Xuebao, 2022 When the misalignment angle is a large angle in the strapdown inertial navigation system (SINS), it is necessary to establish a nonlinear error model to estimate the error.
LI Pu, YANG Tao, MU Hongwei
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Design of an Initial Fine Alignment Algorithm for Satellite Launch Vehicles [PDF]
International Journal of Aeronautical and Space Sciences, 2010 In this paper, an initial fine alignment algorithm, which is developed for the strap-down inertial navigation systems of satellite launch vehicles, is considered. For fast and accurate alignment, a simple closed-loop estimation algorithm using a proportionalintegral controller is introduced.
Eun-Jung Song +5 more
exaly +2 more sources