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
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
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
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
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
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 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
A Reliable Gravity Compensation Control Strategy for dVRK Robotic Arms With Nonlinear Disturbance Forces [PDF]
IEEE Robotics and Automation Letters, 2019 External disturbance forces caused by nonlinear springy electrical cables in the Master Tool Manipulator (MTM) of the da Vinci Research Kit (dVRK) limits the usage of the existing gravity compensation methods. Significant motion drifts at the MTM tip are often observed when the MTM is located far from its identification trajectory, preventing the usage
Hongbin Lin +2 more
exaly +3 more sources
A Novel Gravity Compensation Method for High Precision Free-INS Based on “Extreme Learning Machine”
Sensors, 2016 In recent years, with the emergency of high precision inertial sensors (accelerometers and gyros), gravity compensation has become a major source influencing the navigation accuracy in inertial navigation systems (INS), especially for high-precision INS.
Xiao Zhou +3 more
doaj +3 more sources
Gravity Compensation Using EGM2008 for High-Precision Long-Term Inertial Navigation Systems
Sensors, 2016 The gravity disturbance vector is one of the major error sources in high-precision and long-term inertial navigation applications. Specific to the inertial navigation systems (INSs) with high-order horizontal damping networks, analyses of the error ...
Ruonan Wu +5 more
doaj +3 more sources