Strategies for the control of a satellite with thruster misalignment

Van Daalen, Corne E. (2006-03)

Thesis (MScEng (Electrical and Electronic Engineering))--University of Stellenbosch, 2006.


This project investigates two problems related to satellites that contain cold gas thrusters and reaction wheels. The first problem concerns the estimation of the thruster force response to a pulse command. An optimal data integration method is developed and implemented to estimate the thruster force output from a number of noisy sensors. The second problem occurs when the output force vector of a thruster mounted on a satellite is misaligned with the centre of mass with the satellite. As a result a disturbance torque is generated on the satellite during thruster operation.

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