A Probability Density Metric for Automotive Three-way Catalyst Diagnostics.

A statistical classification technique based on the fraction of time the catalyst gain is very close to zero is used as a diagnostic metric for on-board monitoring of an automotive catalyst. Prelimi- nary results indicate that it is possible to per- form very accurate discrimination between cata- lyst operation, even near the on-board diagnostic detection threshold, using this technique. Exper- imental vehicle tests with each of the different catalysts are used as the basis for comparison.

Main Author: Kirschman, Jill S.
Other Authors: Frey, Jesse C., Muske, Kenneth R., Peyton Jones, James C., Makki, Imad H., Uhrich, Michael I.
Language: English
Published: 2008
Online Access: http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:176343
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dc_source_str_mv Proceedings of the 2008 American Control Conference, 2064-2069.
author Kirschman, Jill S.
author_s Kirschman, Jill S.
spellingShingle Kirschman, Jill S.
A Probability Density Metric for Automotive Three-way Catalyst Diagnostics.
author-letter Kirschman, Jill S.
author_sort_str Kirschman, Jill S.
author2 Frey, Jesse C.
Muske, Kenneth R.
Peyton Jones, James C.
Makki, Imad H.
Uhrich, Michael I.
author2Str Frey, Jesse C.
Muske, Kenneth R.
Peyton Jones, James C.
Makki, Imad H.
Uhrich, Michael I.
dc_title_str A Probability Density Metric for Automotive Three-way Catalyst Diagnostics.
title A Probability Density Metric for Automotive Three-way Catalyst Diagnostics.
title_short A Probability Density Metric for Automotive Three-way Catalyst Diagnostics.
title_full A Probability Density Metric for Automotive Three-way Catalyst Diagnostics.
title_fullStr A Probability Density Metric for Automotive Three-way Catalyst Diagnostics.
title_full_unstemmed A Probability Density Metric for Automotive Three-way Catalyst Diagnostics.
collection_title_sort_str probability density metric for automotive three-way catalyst diagnostics.
title_sort probability density metric for automotive three-way catalyst diagnostics.
description A statistical classification technique based on the fraction of time the catalyst gain is very close to zero is used as a diagnostic metric for on-board monitoring of an automotive catalyst. Prelimi- nary results indicate that it is possible to per- form very accurate discrimination between cata- lyst operation, even near the on-board diagnostic detection threshold, using this technique. Exper- imental vehicle tests with each of the different catalysts are used as the basis for comparison.
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dc.title A Probability Density Metric for Automotive Three-way Catalyst Diagnostics.
dc.creator Kirschman, Jill S.
Frey, Jesse C.
Muske, Kenneth R.
Peyton Jones, James C.
Makki, Imad H.
Uhrich, Michael I.
dc.description A statistical classification technique based on the fraction of time the catalyst gain is very close to zero is used as a diagnostic metric for on-board monitoring of an automotive catalyst. Prelimi- nary results indicate that it is possible to per- form very accurate discrimination between cata- lyst operation, even near the on-board diagnostic detection threshold, using this technique. Exper- imental vehicle tests with each of the different catalysts are used as the basis for comparison.
dc.date 2008-06-13
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dc.source Proceedings of the 2008 American Control Conference, 2064-2069.
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