This paper proposes the parallel observer system (POS), a multirate estimation technique for discrete time systems, to compensate for systems whose output measurements are only periodically available and under the presence of matched and unmatched uncertainties/disturbances. A stability proof and error bounds are provided, given maximum bounds of the uncertainties/disturbances. A simulation of the POS is provided to show proof of concept.
A Parallel Observer System for Non-Deterministic Multirate Systems
Contributed by the Dynamic Systems, Measurement, and Control Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the ASME Dynamic Systems and Control Division February 10, 1999; final revision January 13, 2003. Associate Editor: S. D. Fassois.
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Thein, M. L., and Misawa, E. A. (September 18, 2003). "A Parallel Observer System for Non-Deterministic Multirate Systems ." ASME. J. Dyn. Sys., Meas., Control. September 2003; 125(3): 281–286. https://doi.org/10.1115/1.1590681
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