A Model of Gravity Vector Measurement Noise for Estimating Accelerometer Bias in Gravity Disturbance Compensation [PDF]
Sensors, 2018 Compensation of gravity disturbance can improve the precision of inertial navigation, but the effect of compensation will decrease due to the accelerometer bias, and estimation of the accelerometer bias is a crucial issue in gravity disturbance ...
Junbo Tie +5 more
doaj +7 more sources
Research on the Gravity Disturbance Compensation Terminal for High-Precision Position and Orientation System [PDF]
Sensors, 2020 The Position and Orientation System (POS) is the core device of high-resolution aerial remote sensing systems, which can obtain the real-time object position and collect target attitude information.
Zhuangsheng Zhu +3 more
doaj +7 more sources
Gravity disturbance compensation for dual-axis rotary modulation inertial navigation system
Frontiers in Marine Science, 2023 Gravity disturbance compensation is an important technique for improving the positioning accuracy of high-precision inertial navigation systems (INS).
Panpan Zhang +7 more
doaj +4 more sources
Analysis of Gravity Disturbance Compensation for Initial Alignment of INS [PDF]
IEEE 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 +4 more sources
Compensation of Horizontal Gravity Disturbances for High Precision Inertial Navigation [PDF]
Sensors, 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 +3 more sources
An Accurate Gravity Disturbance Compensation Method Based on Spherical Harmonic Model and Multi-Sensor Fusion [PDF]
Hangkong bingqi, 2023 With the improvement of the accuracy requirements of high-precision long endurance inertial navigation system, the gravity disturbance has become the main error source of inertial navigation system.Is the key factor to improve the navigation accuracy ...
Liu Yuxin, Wang Xinlong, Wang Xun, Gao Wenning, Hu Xiaodong
doaj +2 more sources
The Optimal Degree of Gravity Spherical Harmonic Model Calculation for Gravity Disturbance Compensation in Inertial Navigation [PDF]
MATEC Web of Conferences, 2018 In recent years, the significant improvement of inertial navigation, leaves the gravity disturbance as the important factor which affects the accuracy of inertial navigation.
TIE Junbo +5 more
doaj +2 more sources
An Algorithm for Strapdown Airborne Gravity Disturbance Vector Measurement Based on High-Precision Navigation and EGM2008 [PDF]
SensorsAttitude errors, accelerometer bias, the gravity disturbance vector, and their coupling are the primary factors obstructing strapdown airborne vector gravimetry.
Ke Fang, Tijing Cai
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Sensors, 2021 As one of the key components for active compliance control and human–robot collaboration, a six-axis force sensor is often used for a robot to obtain contact forces. However, a significant problem is the distortion between the contact forces and the data
Lei Yao +4 more
doaj +1 more source
Compensation of Magnetic Disturbances Improves Inertial and Magnetic Sensing of Human Body Segment Orientation [PDF]
, 2005 This paper describes a complementary Kalman filter design to estimate orientation of human body segments by fusing gyroscope, accelerometer, and magnetometer signals from miniature sensors. Ferromagnetic materials or other magnetic fields near the sensor
Baten, Chris T.M. +3 more
core +3 more sources