Robust State Estimation for Linear Systems

[+] Author and Article Information
S. S. Garimella, K. Srinivasan

Department of Mechanical Engineering, The Ohio State University, Columbus, OH 43210

J. Dyn. Sys., Meas., Control 115(1), 193-196 (Mar 01, 1993) (4 pages) doi:10.1115/1.2897397 History: Received November 20, 1989; Revised March 19, 1992; Online March 17, 2008


Real-time state estimation of a linear dynamic system using an observer, in the presence of modeling errors in the system model used by the observer and uncertainty in the initial system states, is considered here. A guideline for designing observers for multioutput systems is established, based on an expression for an upper bound on the norm of the state estimation error derived in this paper. An example is presented to illustrate the usefulness of this guideline.

Copyright © 1993 by The American Society of Mechanical Engineers
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