Optimal Spacecraft Attitude Controlusing Aerodynamic Torques (Paperback)

This thesis introduces a method of three-axis spacecraft attitude control using only aerodynamic torques. Attitude actuation is achieved using four control panels mounted on the rear of a cubical spacecraft bus. The controller consists of an outer loop using linear state feedback to determine desired control torque and an inner loop to choose appropriate control panel angles. The inner loop uses a Jacobian-based approachto invert the nonlinear relationship between panel angles and generated torque. Controller performance is evaluated via simulations, which show that three-axis control is possible over a range of initial angles and angular rates. The analysis used partial accommodation theory as the basis for aerodynamic torque calculations and assumed a rotating atmosphere with an exponential density profile.

General

Imprint:	Biblioscholar
Country of origin:	United States
Release date:	November 2012
First published:	November 2012
Authors:	Michael Luke Gargasz
Dimensions:	246 x 189 x 5mm (L x W x T)
Format:	Paperback - Trade
Pages:	94
ISBN-13:	978-1-288-31573-4
Categories:	Books > Social sciences > Education > General
LSN:	1-288-31573-2
Barcode:	9781288315734

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