%0 Book Section %@ 978-3-0348-6418-3 %A Kurzhanski, A.B. %A Khapalov, A.Y. %B Estimation and Control of Distributed Parameter Systems %C Basel, Switzerland %D 1991 %E Desch, W. %E Kappel, F. %E Kunisch, K. %F iiasa:14157 %I Birkhäuser %K observers; observability; sensors; state estimation; distributed parameter systems %P 219-246 %R 10.1007/978-3-0348-6418-3_16 %S International Series of Numerical Mathematics %T The state estimation problem for parabolic systems %U https://pure.iiasa.ac.at/id/eprint/14157/ %V 100 %X This paper introduces a series of problems on state estimation for parabolic systems on the basis of measurements generated by sensors in the presence of unknown but bounded disturbances. Observability issues, guaranteed filtering schemes for distributed processes are discussed.