ERIC - A System to Modify Vehicle Emissions Through Computer Controlled Signal Interception

Paper #:
  • 1999-01-0773

Published:
  • 1999-03-01
Citation:
Webb, C., "ERIC - A System to Modify Vehicle Emissions Through Computer Controlled Signal Interception," SAE Technical Paper 1999-01-0773, 1999, https://doi.org/10.4271/1999-01-0773.
Pages:
8
Abstract:
A computer controlled system capable of intercepting and performing closed-loop control of a vehicle subsystem during targeted modes of operation was developed. The system has been given the acronym ERIC, for Emissions Reduction Intercept and Control system. This study was prompted by the need for the ability to modify engine controls through targeted modes of operation, without altering the majority of engine operation, to assist in the integration of exhaust aftertreatment and engine systems.The general concept and approach for applying the ERIC method, and application of the system to perform targeted, mode-activated EGR control intercept on a 1997 Ford Crown Victoria, are described in this paper. Data are presented that demonstrate how the problem mode was identified, targeted, mapped, and modified. FTP-75 test data are presented to show the impact of this particular application.
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