The Design for Twelve-Accelerometer Gravity Gradiometer

Lin Zhao; Feng Ming Liu; Hai Jing Yuan; Hong Bin Zhao

doi:10.4028/www.scientific.net/KEM.419-420.221

Paper Titles

Exploration for Rapidly Dividing a Complex Structure 3D Modeling into its Assembly Cells
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Design and Experimental Research on Ester Ferrofluid Seal for Stern
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Real Eigenvalue Sensitivity for Reduction of Vibration of Two-Stage Parallel Shaft Gearbox
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Study on Shell-Solid Coupling Method of Trunk Structure for Efficient FE Analysis
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The Design for Twelve-Accelerometer Gravity Gradiometer
p.221

Development of a Magneto-Rheological Fluid Tension Control Device
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Modelling and Analysis for an Electric Power Assisted Steering System of Plug-In Hybrid Electric Car
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Design of Multi-Module Experiment-Rig of Ship Electrical Propulsion Prime Mover
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Kinematics Research on Blade Control Mechanism of Variable Vector Propeller
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 419-420The Design for Twelve-Accelerometer Gravity...

The Design for Twelve-Accelerometer Gravity Gradiometer

Abstract:

The design and manufacture for GGI are different and only several countries have the ability to produce it. Devising the feasible scheme for gravity gradiometer is the primary question.In this paper, a new type of GGI is designed using twelve accelerometers. First, the mathematical relationship between the accelerometer and GGI is derived and the method to separate the angular velocity and gravity gradient is disscussed. Second, the model of twelve-accelerometer gravity gradiometer is provided. Third, the estimation of angular velocity is analyzed when the GGI is installed in the form of strapdown or stabilized state. Finally, it is concluded that a new type of inertial navigation system using gravity gradiometers will be configured when it becomes possible to precisely measure gravity gradient.

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Periodical:

Key Engineering Materials (Volumes 419-420)

Pages:

221-224

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.419-420.221

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Online since:

October 2009

Authors:

Lin Zhao, Feng Ming Liu, Hai Jing Yuan, Hong Bin Zhao

Keywords:

Design, Gradiometer, Gravity Gradient, Twelve-Accelerometer

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