Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 4, issue 2
Articles | Volume 4, issue 2
https://doi.org/10.5194/jsss-4-255-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/jsss-4-255-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 4, issue 2
Regular research article
 | 
10 Aug 2015
Regular research article |  | 10 Aug 2015

State determination of catalytic converters based on an ultra-wideband communication system

I. Motroniuk, R. Stöber, and G. Fischerauer

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Short summary
A novel microwave-based approach for monitoring the state of aftertreatment systems such as diesel particulate filters (DPFs), three-way catalytic converters (TWCs), and selective catalytic reduction (SCR) catalysts is proposed. The interior of the catalyst metal housing serves as a communication channel between two wireless communication nodes. It is shown that, depending on the transmission channel characteristics, the properties of the catalyst, such as the catalyst state, can be inferred.
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Special issue
Sensor/IRS2 2015