Control-Oriented Knock Simulation

Paper #:
  • 2016-01-0821

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-0821
Citation:
Peyton Jones, J., Spelina, J., and Frey, J., "Control-Oriented Knock Simulation," SAE Int. J. Engines 9(2):1201-1209, 2016, doi:10.4271/2016-01-0821.
Pages:
9
Abstract:
Simulation tools are critical to control system development and design. Simulation of knock control systems, however, is complicated both by the stochastic nature of knock, and by the wide range of signal bandwidth and dimensionality within the feedback loop. The aim of this paper is therefore to provide a review, and in some cases an extension, of knock simulation methods from a control-oriented perspective, focusing particularly on the statistical properties of knock intensity and knock events. Deterministic notions of closed-loop performance can be misleading in this context, and recent work using Markov- and Monte-Carlo-based methods is briefly summarized as a means to obtain a more rigorous and complete description of closed-loop behavior. The methods are illustrated using a classical knock controller design.
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