Abstract
AbstractIn this paper a fault accommodation approach especially suitable for nonlinear dynamic inversion controllers is presented and applied to an atmospheric re-entry vehicle. The approach is based on the nominal/robustness decoupling principle used in recent high-performance architectures, reminiscent of anti-windup compensator approaches, and is well connected to the Youla-Kucera controller parameterizations used in the field of fault tolerant systems. The applicability of the approach is exemplified through its application to a high-fidelity nonlinear simulator of a reusable launch vehicle during re-entry which includes a nonlinear dynamic controller and an H-infinity based fault detection and isolation filter.
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