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SI-Engine Control With Microwave-Assisted Direct Observation of Oxygen Storage Level in Three-Way Catalysts

Title data

Schödel, Sebastian ; Moos, Ralf ; Votsmeier, Martin ; Fischerauer, Gerhard:
SI-Engine Control With Microwave-Assisted Direct Observation of Oxygen Storage Level in Three-Way Catalysts.
In: IEEE Transactions on Control Systems Technology. Vol. 22 (2014) Issue 6 . - pp. 2346-2353.
ISSN 1063-6536
DOI: https://doi.org/10.1109/TCST.2014.2305576

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
No informationFi 956/5-1
No informationMO 1060/13-1

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

To realize existing emission standards with a reduced amount of noble metals, advanced control strategies for spark ignition (SI) engines are of absolute priority. Such control strategies require precise and accurate information about the actual oxygen storage level of the three-way catalyst needed to reduce emissions. This precision is out of reach for state-of-the-art oxygen storage models on available on-board hardware. A novel approach toward the solution of this problem is the direct determination of the oxygen storage level. This contribution shows how this can be achieved with a model-based microwave measurement system. The method is validated by numerical experiments. It is demonstrated how this approach can be implemented into a new SI engine control algorithm.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology > Chair Measurement and Control Technology - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer
Faculties > Faculty of Engineering Science > Chair Functional Materials
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Profile Fields
Profile Fields > Advanced Fields
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Research Institutions > Research Units
Research Institutions > Research Units > BERC - Bayreuth Engine Research Center
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 01 Dec 2014 09:53
Last Modified: 24 Feb 2016 06:58
URI: https://eref.uni-bayreuth.de/id/eprint/4449