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Feedforward control, PID control laws, and almost invariant subspaces. (English) Zbl 0473.93032

93B35 Sensitivity (robustness)
93B25 Algebraic methods
93D15 Stabilization of systems by feedback
93C05 Linear systems in control theory
93C99 Model systems in control theory
93C55 Discrete-time control/observation systems
Full Text: DOI
[1] Wonham, W.M.; Wonham, W.M., ()
[2] Willems, J.C.; Commault, C., Disturbance decoupling by measuremenl feedback with stability or pole placement, SIAM J. control optim., 19, 4, 490-504, (1981) · Zbl 0467.93036
[3] Willems, J.C., Almost A (mod ℬ)-invariant subspaces, Astérisque, 75-76, 239-248, (1980) · Zbl 0459.93029
[4] Willems, J.C., Almost invariant subspaces: an approach to high gain feedback design —part I: almost controlled invariant subspaces, IEEE trans. automat. control, 26, 1, 235-252, (1981) · Zbl 0463.93020
[5] J.C. Willems, Almost invariant subspaces: an approach to high gain feedback design — Part II: Almost conditionally invariant subspaces, IEEE Trans. Automat. Control, submitted for publication. · Zbl 0491.93022
[6] Molinari, B.P., A strong controllability and observability in linear multivariable control, IEEE trans. automat. control, 21, 5, 761-764, (1976) · Zbl 0334.93009
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