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An efficient approach to the design of observers for continuous-time systems with discrete-time measurements

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3 Author(s)
Cacace, F. ; Univ. Campus Bio-Medico di Roma, Rome, Italy ; Cusimano, V. ; Germani, A.

This paper describes an efficient discretization approach for nonlinear continuous-time systems. A Carleman linearization approach is used to evaluate the exact coefficients of the Taylor-Lie expansion of the dynamics of the system. The resulting discretization scheme is used to build a discrete-time observer that displays good performance. The paper shows the advantages of using an integrated discretization - observation approach for large discretization intervals.

Published in:

Decision and Control and European Control Conference (CDC-ECC), 2011 50th IEEE Conference on

Date of Conference:

12-15 Dec. 2011