A Computer Model for the Assessment of Engine Control System Parameters

Paper #:
  • 940484

Published:
  • 1994-03-01
Citation:
Martins, J., Boam, D., and Bingham, J., "A Computer Model for the Assessment of Engine Control System Parameters," SAE Technical Paper 940484, 1994, https://doi.org/10.4271/940484.
Pages:
13
Abstract:
A computer model has been developed to investigate ways of improving the control of the mixture strength supplied to a spark ignition engine during transients and steady-state operation. The model comprises four sub-models, which calculate the gas dynamics, the response of the sensors, the fuelling logic (mass flow and speed-density) and the air-fuel ratio of the running engine.Comparisons are made between different fuelling logics and sensor responses for various transient modes (fast and slow accelerations) and for a range of engine operating conditions.
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