Challenges in the development of sensors for monitoring automobile emissions

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Description

A new generation of on-board automotive sensors are needed for diagnosis and control of engines and catalytic converters. With regard to catalytic converters, the intent of these regulations is to ensure that the vehicle operator is informed when emission control system are no longer performing adequately. In order to be commercialized, sensors for emission control must meet certain criteria, including low cost, reliability, and manufacturability. We have been developing solid state electrochemical sensors for emission control. Most recently, our work has focused on the development of hydrocarbon sensors for monitoring catalytic converter performance. Previous work was concerned with the development ... continued below

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11 p.

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Glass, R.S. & Pham, A.Q. February 20, 1997.

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Description

A new generation of on-board automotive sensors are needed for diagnosis and control of engines and catalytic converters. With regard to catalytic converters, the intent of these regulations is to ensure that the vehicle operator is informed when emission control system are no longer performing adequately. In order to be commercialized, sensors for emission control must meet certain criteria, including low cost, reliability, and manufacturability. We have been developing solid state electrochemical sensors for emission control. Most recently, our work has focused on the development of hydrocarbon sensors for monitoring catalytic converter performance. Previous work was concerned with the development of an oxygen sensor having appropriate sensitivity for lean-burn engines. Operational limits for oxygen sensors have been defined and new materials have been developed for hydrocarbon sensors. Technical results are presented here as well as challenges to be met in the development of materials and designs for new chemical sensors for monitoring automotive emissions.

Physical Description

11 p.

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OSTI as DE98050775

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  • 30. international symposium on automotive technology and automation: in fusion of technical excellence, Florence (Italy), 16-19 Jun 1997

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  • Other: DE98050775
  • Report No.: UCRL-JC--125786
  • Report No.: CONF-970639--
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 647015
  • Archival Resource Key: ark:/67531/metadc702312

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • February 20, 1997

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • May 8, 2017, 12:43 p.m.

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Glass, R.S. & Pham, A.Q. Challenges in the development of sensors for monitoring automobile emissions, article, February 20, 1997; California. (digital.library.unt.edu/ark:/67531/metadc702312/: accessed May 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.