Results 201 to 210 of about 1,001,812 (223)
Robust LPV pitch control of autonomous underwater vehicle with input constraints. [PDF]
Sci RepZhang H +5 more
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Reducing Upper-Limb Muscle Effort with Model-Based Gravity Compensation During Robot-Assisted Movement. [PDF]
Sensors (Basel)Zhang L, Yu H, Li D.
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Single-Axis Rotational Inertial Navigation Systems for USVs: A Review of Key Technologies. [PDF]
Micromachines (Basel)Su E +5 more
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Gravity Disturbance Compensation for Inertial Navigation System
IEEE Transactions on Instrumentation and Measurement, 2019This paper investigates the gravity disturbance compensation for inertial navigation system based on high-resolution global gravity field models. The high-precision gravity is calculated using the European Improved Gravity model of the Earth by New techniques (EIGEN)-6C4, which is a representative of the high-resolution models.
Lubin Chang, F J Qin, Meiping Wu
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GPS Solutions, 2020
Zero velocity update technology (ZUPT) has frequently been used as a tool to reduce divergence when the inertial navigation system (INS) is working in pure inertial mode. In general, the normal gravity model is adopted to calculate the gravity vector, and the effect of gravity disturbance is neglected.
Jun Weng, Ke Kou, Jiao Mingxing
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Zero velocity update technology (ZUPT) has frequently been used as a tool to reduce divergence when the inertial navigation system (INS) is working in pure inertial mode. In general, the normal gravity model is adopted to calculate the gravity vector, and the effect of gravity disturbance is neglected.
Jun Weng, Ke Kou, Jiao Mingxing
exaly +2 more sources
The Influence of Gravity Disturbance on High-Precision Long-Time INS and Its Compensation Method
2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control, 2014The influence of gravity disturbance vector can't be neglected in high-precision long-time inertial navigation system (INS). In this paper, proceeding from INS arrange equations, we establish an error model of INS with gravity disturbance vector, and discuss on the basis of a case study of single channel how gravity disturbance vector influences INS in
Wang Hao +3 more
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Mechanism and Machine Theory, 2021
Abstract In this paper, a fast terminal sliding mode controller is designed for an active suspension gravity compensation system with unknown bounds of uncertainties and disturbances. A robust finite-time convergence estimator is used to estimate the velocity and the disturbances.
Jiao Jia
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Abstract In this paper, a fast terminal sliding mode controller is designed for an active suspension gravity compensation system with unknown bounds of uncertainties and disturbances. A robust finite-time convergence estimator is used to estimate the velocity and the disturbances.
Jiao Jia
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Acta Astronautica, 2012
Abstract The Inner Formation Flying System (IFFS) consisting of an outer satellite and an inner satellite which is a solid sphere proof mass freely flying in the shield cavity can construct a pure gravity orbit to precisely measure the earth gravity field. The gravitational attraction on the inner satellite due to the outer satellite is a significant
Yulin Zhang, Zhaokui Wang
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Abstract The Inner Formation Flying System (IFFS) consisting of an outer satellite and an inner satellite which is a solid sphere proof mass freely flying in the shield cavity can construct a pure gravity orbit to precisely measure the earth gravity field. The gravitational attraction on the inner satellite due to the outer satellite is a significant
Yulin Zhang, Zhaokui Wang
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Bilateral Control Based on Disturbance Observer of Delta Robot with Gravity Compensation
Applied Mechanics and Materials, 2015Recently, delta robots is widely used in many industrial application because the structure of delta robot is close loop chain and have properties of high rigid body and fast movement. However, the moving part of delta robot is arranged in pattern that influenced by gravity and has an impact on control system.
Chowarit Mitsantisuk
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2016 35th Chinese Control Conference (CCC), 2016
In Inner-Formation gravity field measurement satellite System (IFS), the inner satellite travels in a pure gravitational orbit within the cavity of outer satellite. Compelled by spatial non-gravitational forces and internal interferences, the outer satellite generates relative position and attitude drifts.
Li Ji, Junhua Xiang, Weiqi Qian
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In Inner-Formation gravity field measurement satellite System (IFS), the inner satellite travels in a pure gravitational orbit within the cavity of outer satellite. Compelled by spatial non-gravitational forces and internal interferences, the outer satellite generates relative position and attitude drifts.
Li Ji, Junhua Xiang, Weiqi Qian
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