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Robust eigenstructure assignment with structured state-space uncertainty and unmodelled dynamics. (English) Zbl 0758.93059
Summary: New time domain stability robustness results are obtained for a non- strictly proper linear time-invariant plant which is subject to simultaneous time-varying structured state-space uncertainty and norm bounded unmodelled dynamics. Sufficient conditions for robust stability are obtained both for a constant gain output feedback controller and an output feedback dynamic compensator. The robustness conditions are explicitly in terms of the closed-loop eigenvalues and eigenvectors so that these new results are expecially well suited for a robust eigenstructure assignment design method. An example is presented of a robust eigenstructure assignment autopilot using dynamic compensation for the yaw-roll dynamics of a bank-to-turn missile.

MSC:
93D09 Robust stability
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