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Closed-loop control of SCR systems with a NH3-sensitive NOx sensor

Abstract : This paper presents a control strategy for an automotive selective catalytic reduction (SCR) system, for which the feedback is based on a NOx sensor measurement. This NOx sensor is cross-sensitive to NH3, which is critical for control purposes: a study of the closed-loop dynamics is performed which permits to calibrate the control strategy. Experimental results illustrate the performance of the proposed approach.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01501946
Contributor : François Chaplais <>
Submitted on : Tuesday, April 4, 2017 - 5:51:40 PM
Last modification on : Thursday, September 24, 2020 - 5:04:18 PM

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  • HAL Id : hal-01501946, version 1

Citation

Anthony Bonfils, Yann Creff, Olivier Lepreux, Nicolas Petit. Closed-loop control of SCR systems with a NH3-sensitive NOx sensor. 8th IFAC Symposium on Advanced Control of Chemical Processes, Jul 2012, Singapore, Singapore. pp.738 - 743. ⟨hal-01501946⟩

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