Results 1 to 10 of about 14,844 (251)

A Polar Initial Alignment Algorithm for Unmanned Underwater Vehicles

open access: yesSensors, 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
doaj   +4 more sources

One-Step Initial Alignment Algorithm for SINS in the ECI Frame Based on the Inertial Attitude Measurement of the CNS

open access: yesSensors, 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
doaj   +4 more sources

Initial Alignment of Large Azimuth Misalignment Angles in SINS Based on Adaptive UPF

open access: yesSensors, 2015
The case of large azimuth misalignment angles in a strapdown inertial navigation system (SINS) is analyzed, and a method of using the adaptive UPF for the initial alignment is proposed. The filter is based on the idea of a strong tracking filter; through
Jin Sun   +4 more
doaj   +4 more sources

An Improved Strapdown Inertial Navigation System Initial Alignment Algorithm for Unmanned Vehicles

open access: yesSensors, 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
doaj   +2 more sources

A Vondrak Low Pass Filter for IMU Sensor Initial Alignment on a Disturbed Base

open access: yesSensors, 2014
The initial alignment of the Inertial Measurement Unit (IMU) is an important process of INS to determine the coordinate transformation matrix which is used in the integration of Global Positioning Systems (GPS) with Inertial Navigation Systems (INS).
Zengke Li   +4 more
doaj   +2 more sources

Development and prospects of initial alignment method for strap-down inertial navigation system

open access: yesZhongguo Jianchuan Yanjiu, 2022
Initial alignment technology is directly related to the navigation accuracy and startup time of the strap-down inertial navigation system (SINS), and has always been regarded as a challenging focal point in the research field of inertial navigation. This
Li LUO   +3 more
doaj   +1 more source

A New Analytic Alignment Method for a SINS

open access: yesSensors, 2015
Analytic alignment is a type of self-alignment for a Strapdown inertial navigation system (SINS) that is based solely on two non-collinear vectors, which are the gravity and rotational velocity vectors of the Earth at a stationary base on the ground. The
Caiming Tan   +5 more
doaj   +1 more source

Multistage Attitude Determination Alignment for Velocity-Aided In-Motion Strapdown Inertial Navigation System with Different Velocity Models

open access: yesSensors, 2019
A novel multistage attitude determination alignment algorithm with different velocity models is proposed to implement the alignment process of in-motion attitude determination alignment (IMADA) aided by the ground velocity expressed in body frame ( V
Shutong Li, Yanbin Gao, Meng Liu
doaj   +1 more source

Rotary upgrading method and its experimental study of an inertially stabilized platform [PDF]

open access: yesMetrology and Measurement Systems, 2019
Rotation modulation can significantly improve the navigation accuracies of an inertial navigation system (INS) and a strap-down configuration dominating in this type of INS.
Rong Guo   +3 more
doaj   +1 more source

Compensation of Horizontal Gravity Disturbances for High Precision Inertial Navigation

open access: yesSensors, 2018
Horizontal gravity disturbances are an important factor that affects the accuracy of inertial navigation systems in long-duration ship navigation.
Junbo Tie   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy