Remote and On-Board Instrumentation for Automotive Emissions Monitoring

New instruments are quantitatively measuring vehicle emissions under real-world conditions. Hughes has fielded a cost-effective, real-time remote emissions sensor (RES) employing infrared technology to determine emission levels of CO, HC, and NO. Separate processors within the RES capture license pl...

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Veröffentlicht in:	SAE transactions 1995-01, Vol.104, p.796-809
Hauptverfasser:	Jack, M. D., Ahlgren, W., Bahan, T. P., Gray, M. N., Hanson, J. L., Heidt, T. L., Huerta, F. A., Kennedy, A., Nelson, D. R., Paneral, A. J., Peterson, C. M., Peterson, J., Sullivan, M., Pham, K., Polchin, G. C., Rubin, L. H., Tacelli, C. B., Trautfield, W. C., Wageneck, R. O., Walter, G. A., Wills, J. D., Alves, J. F., Berger, B. A., Brown, J., Shelton, J. A., Smith, G. A., Palen, E. J., Sorbo, N. W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Automobile exhaust Automobiles Calibration Carbon dioxide emissions Emission standards Hybrid cars License plates Plumes Pollutant emissions Sensors
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Beschreibung
Zusammenfassung:	New instruments are quantitatively measuring vehicle emissions under real-world conditions. Hughes has fielded a cost-effective, real-time remote emissions sensor (RES) employing infrared technology to determine emission levels of CO, HC, and NO. Separate processors within the RES capture license plate and speed/acceleration data within the same 0.8-second window as emissions data. Field tests have shown excellent correlation between high emitters identified by the RES and by IM240 measurements. Similar technology is being employed on miniaturized high-temperature units for vehicular on-board emissions monitoring. An on-vehicle prototype will be demonstrated this year.
ISSN:	0096-736X 2577-1531