Abstract This work studies the performance of a nonlinear Multiple-Input-Multiple-Output (MIMO) controller with roll input as a strategy applied to the control of a sounding rocket with no direct roll control and a parabolic residual spin. Its performance is compared to two regular linear Single-Input-Single-Output (SISO) controllers applied separately on the yaw and pitch command paths with respect to step response and the ability to follow a design trajectory, both under ideal circumstances and under simplified wind perturbations. Simulation results show that the MIMO controller presents similar step response to the SISO strategy, but its ability to take coupling into account leads to a better trajectory behavior. However, the MIMO controller is less robust to changes in the predicted residual spin and may introduce a stable but oscillating effect to the system’s behavior.
MIMO Attitude Control for a Spinning Rocket
2017-12-15
14 pages
Article/Chapter (Book)
Electronic Resource
English
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