Data driven simplified three-way catalyst health diagnostic models: Experimental results

Brandon M. Dawson; Matthew A. Franchek; Karolos Grigoriadis

doi:10.1115/IMECE2007-42281

Data driven simplified three-way catalyst health diagnostic models: Experimental results

Brandon M. Dawson, Matthew A. Franchek, Karolos Grigoriadis

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

Presented is the identification of simplified three-way catalyst (TWC) models from vehicle data. The simplified models are developed for multiple TWCs from two different classes: full useful life and threshold. The full useful life (FUL) TWCs represent catalysts from vehicles with 100,000 miles whereas threshold TWCs represent catalysts from vehicles with over 150,000 miles. The results showed that these simplified models have consistent parameter estimates when identified in a passive monitoring mode as the vehicle experiences a driving cycle from the Federal Test Procedure (FTP). Moreover the parameters of the simplified TWC models contain TWC health/age information. The model input is the air mass flow rate (AM) into the engine and the model output is a proposed TWC health measure developed in this paper. The impact of TWC temperature will also be detailed.

Original language	English (US)
Title of host publication	Mechanical Systems and Control
Publisher	American Society of Mechanical Engineers (ASME)
Pages	1565-1572
Number of pages	8
ISBN (Print)	0791843033, 9780791843031
DOIs	https://doi.org/10.1115/IMECE2007-42281
State	Published - 2008
Event	ASME International Mechanical Engineering Congress and Exposition, IMECE 2007 - Seattle, WA, United States Duration: Nov 11 2007 → Nov 15 2007

Publication series

Name	ASME International Mechanical Engineering Congress and Exposition, Proceedings
Volume	9 PART C

Conference

Conference	ASME International Mechanical Engineering Congress and Exposition, IMECE 2007
Country/Territory	United States
City	Seattle, WA
Period	11/11/07 → 11/15/07

ASJC Scopus subject areas

General Engineering
Mechanical Engineering

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10.1115/IMECE2007-42281

Cite this

Dawson, B. M., Franchek, M. A., & Grigoriadis, K. (2008). Data driven simplified three-way catalyst health diagnostic models: Experimental results. In Mechanical Systems and Control (pp. 1565-1572). (ASME International Mechanical Engineering Congress and Exposition, Proceedings; Vol. 9 PART C). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/IMECE2007-42281

Data driven simplified three-way catalyst health diagnostic models: Experimental results. / Dawson, Brandon M.; Franchek, Matthew A.; Grigoriadis, Karolos.
Mechanical Systems and Control. American Society of Mechanical Engineers (ASME), 2008. p. 1565-1572 (ASME International Mechanical Engineering Congress and Exposition, Proceedings; Vol. 9 PART C).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Dawson, BM, Franchek, MA & Grigoriadis, K 2008, Data driven simplified three-way catalyst health diagnostic models: Experimental results. in Mechanical Systems and Control. ASME International Mechanical Engineering Congress and Exposition, Proceedings, vol. 9 PART C, American Society of Mechanical Engineers (ASME), pp. 1565-1572, ASME International Mechanical Engineering Congress and Exposition, IMECE 2007, Seattle, WA, United States, 11/11/07. https://doi.org/10.1115/IMECE2007-42281

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abstract = "Presented is the identification of simplified three-way catalyst (TWC) models from vehicle data. The simplified models are developed for multiple TWCs from two different classes: full useful life and threshold. The full useful life (FUL) TWCs represent catalysts from vehicles with 100,000 miles whereas threshold TWCs represent catalysts from vehicles with over 150,000 miles. The results showed that these simplified models have consistent parameter estimates when identified in a passive monitoring mode as the vehicle experiences a driving cycle from the Federal Test Procedure (FTP). Moreover the parameters of the simplified TWC models contain TWC health/age information. The model input is the air mass flow rate (AM) into the engine and the model output is a proposed TWC health measure developed in this paper. The impact of TWC temperature will also be detailed.",

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AB - Presented is the identification of simplified three-way catalyst (TWC) models from vehicle data. The simplified models are developed for multiple TWCs from two different classes: full useful life and threshold. The full useful life (FUL) TWCs represent catalysts from vehicles with 100,000 miles whereas threshold TWCs represent catalysts from vehicles with over 150,000 miles. The results showed that these simplified models have consistent parameter estimates when identified in a passive monitoring mode as the vehicle experiences a driving cycle from the Federal Test Procedure (FTP). Moreover the parameters of the simplified TWC models contain TWC health/age information. The model input is the air mass flow rate (AM) into the engine and the model output is a proposed TWC health measure developed in this paper. The impact of TWC temperature will also be detailed.

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Data driven simplified three-way catalyst health diagnostic models: Experimental results

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