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Sensors in the automotive exhaust – technology, status and future trends


Moos, Ralf:
Sensors in the automotive exhaust – technology, status and future trends.
Veranstaltung: Conference SEMTO 2010 / Sensors and Actuators , 20.-21.10.2010 , Ljubljana, Slovenia.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung , Sonstige Präsentationstyp)


Steadily increasing emission standards for both passenger cars and heavy duty vehicles combined with the need for fuel efficiency lead to novel powertrain concepts like the leanly operated gasoline direct injection engine, or to novel exhaust gas aftertreatment concepts like NOx storage catalysts, ammonia SCR NOx reduction (selective catalytic reduction), or even to a combination of both. Also, soot filters have been serialized.

In order to control the novel powertrain and/or exhaust gas aftertreatment systems and to monitor on-board the proper operation of these systems (on-board diagnosis, OBD), novel exhaust gas sensors are required or would at least be very helpful.

This presentation gives an overview on the technology and the status of sensors for automotive exhaust gas aftertreatment systems and it reviews the latest published results on ammonia sensors and on soot sensors. Additionally, very novel concepts to detect directly the status of automotive exhaust gas catalysts are discussed.

It will be also shown how development of exhaust gas sensors has always to be considered in interaction with exhaust gas aftertreatment systems. Hence, novel kinds of sensors have gained in importance just recently, when stricter emission regulations were announced, meaning that time is ripe for novel exhaust gas aftertreatment concepts. However, it is clear that all novel sensors do not only have to meet the technical requirements of the automotive industry but also have to be very inexpensive, reliable, and cost-effective.

Weitere Angaben

Publikationsform: Veranstaltungsbeitrag (Sonstige)
Begutachteter Beitrag: Ja
Institutionen der Universität: Fakultäten > Fakultät für Ingenieurwissenschaften
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Funktionsmaterialien > Lehrstuhl Funktionsmaterialien - Univ.-Prof. Dr.-Ing. Ralf Moos
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Funktionsmaterialien
Profilfelder > Advanced Fields > Neue Materialien
Forschungseinrichtungen > Forschungszentren > Bayreuther Materialzentrum - BayMAT
Profilfelder > Advanced Fields
Forschungseinrichtungen > Forschungszentren
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Eingestellt am: 26 Mai 2015 11:37
Letzte Änderung: 12 Apr 2016 06:47
URI: https://eref.uni-bayreuth.de/id/eprint/14214