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Application of symbolic dynamics to modeling and control of an internal combustion engine

C.S. Daw
Oak Ridge National Laboratory
Oak Ridge TN 37831-8088

C.E.A. Finney
University of Tennessee
Knoxville TN 37996-2210

M.B. Kennel
University of California, San Diego
La Jolla CA 92093-0402

In this presentation we illustrate the application of symbolic dynamics to the problem of cyclic combustion variations in internal combustion engines. Such variations are responsible for loss in fuel efficiency and increased pollutant emissions. Using a discrete model of the combustion dynamics, we describe our algorithm for adjusting the model parameters to "match" the observed symbolic dynamics. We also find that on-line feedback engine control might be accomplished with highly discretized measurements of cycle-resolved combustion.

Daw CS, Finney CEA, Kennel MB (1997). Application of symbolic dynamics to modeling and control of an internal combustion engine. Fourth SIAM Conference on Applications of Dynamical Systems (Snowbird, Utah USA; 1997 May 18-22), Session CP37.
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