On observers for smooth nonlinear digital systems

The problem of constructing an observer for a nonlinear discrete-time system is analyzed as one of left-inverting a certain map from the states to the measurements. Practical and theoretical consequences are derived.

[1]  Arthur J. Krener Nonlinear controller design via approximate normal forms , 1989 .

[2]  D. Luenberger Optimization by Vector Space Methods , 1968 .

[3]  S. Żak,et al.  Comparative study of non-linear state-observation techniques , 1987 .

[4]  A. Schaft On nonlinear observers , 1985 .

[5]  D. Luenberger Observers for multivariable systems , 1966 .

[6]  Eduardo D. Sontag,et al.  An approach to detectability and observers , 1979 .

[7]  J. Gauthier,et al.  Bilinearization up to output injection , 1988 .

[8]  Eduardo D. Sontag,et al.  A concept of local observability , 1984 .

[9]  N. Navid,et al.  A theory and an algorithm for analog circuit fault diagnosis , 1979 .

[10]  S. Glad Observability and nonlinear dead beat observers , 1983, The 22nd IEEE Conference on Decision and Control.

[11]  V. Varadarajan Lie groups, Lie algebras, and their representations , 1974 .

[12]  Jeffrey C. Kantor,et al.  LINEAR FEEDBACK EQUIVALENCE AND CONTROL OF AN UNSTABLE BIOLOGICAL REACTOR , 1986 .

[13]  J. Lévine,et al.  Nonlinear system immersion, observers and finite-dimensional filters , 1986 .

[14]  Jessy W. Grizzle,et al.  Observer error linearization for sampled-data systems , 1989, Proceedings of the 28th IEEE Conference on Decision and Control,.

[15]  H. Nijmeijer Observability of autonomous discrete time non-linear systems: a geometric approach , 1982 .

[16]  Tzyh Jong Tarn,et al.  Exponential Observers for Nonlinear Dynamic Systems , 1975, Inf. Control..

[17]  Arthur J. Krener,et al.  Linearization by output injection and nonlinear observers , 1983 .

[18]  D. Bestle,et al.  Canonical form observer design for non-linear time-variable systems , 1983 .

[19]  M. Fliess Quelques remarques sur les observateurs non lineaires , 1987 .

[20]  M. Zeitz The extended Luenberger observer for nonlinear systems , 1987 .