Dina Shona Laila
University of Southampton
UK
Reduction of oxides of nitrogen (NOx) emitted from diesel exhaust systems is a current problem due to increased stringency in worldwide emissions legislation. One of the most successful approaches to reduce tailpipe NOx is to reduce NOx by ammonia over a catalyst, known as Selective Catalytic Reduction (SCR). Control of the ammonia injection in such systems is typically a map-based approach, often augmented by feedback from NOx sensors to account for mechanical variation and ageing. We show that a predictive control approach to this system yields several compelling improvements over such industry standard controllers during a representative test cycle. These include better NOx conversion performance whilst simultaneously minimising the quantity of ammonia released to the environment, along with reduced design effort.
Dina Shona Laila received her PhD degree in Control Engineering from the University of Melbourne in 2003. After finishing her PhD, she joined the Control and Power Group (EE CAP), Electrical and Electronic Engineering Dept., Imperial College London (2003-2006) working mainly in the nonlinear control research area. Between 2006 and 2007, she was with the Institute for Design and Control of Mechatronic Systems, JKU Linz, Austria where she was working on identification and control of mechatronics systems, particularly for combustion engine test bench. She returned to Imperial College in 2007, and expanding her research to the area to nonlinear control for an unmanned aerial vehicle (UAV) and to the measurement and control for power systems, and power system signal analysis. Dina was with Kingston University, London (2009-2011). She has since 2011 joined the University of Southampton, where she combined research and teaching in control engineering and automotive, and their applications. Dina Shona Laila is a Senior Member of the IEEE and Fellow of the UK Higher Education Academy. She actively serves as an associate editor for the European Journal of Control, the IEEE CSS Conference and the European Control Conference, besides serving as a reviewer for a number of other main journals and conferences in Control Engineering field.