Model-based control system design in a urea-SCR aftertreatment system based on NH3 sensor feedback

Czerwsinki, J., Peterman, J., Comte, P., Lemaire, J. and Mayer, A. (2007). Diesel NO/NO2/NOx emissions — New experiences and challenges. SAE Paper No. 2007-01-0321.

Devadas, M., Krocher, O. and Wokaun, A. (2005). Catalytic investigation of Fe-ZSM5 in the selective catalytic reduction of NOx with NH3. Reaction Kinetics and Catalysis Letters, 86, 347–354.

Devadas, M., Krocher, O., Elsener, M., Wokaun, A., Soger, N., Pfeifer, M., Demel, Y. and Mussmann, L. (2006). Influence of NO2 on the selective catalytic reduction of NO with NH3 over Fe-ZSM5. Applied Catalysis B: Environmental, 67, 187–196.

Devarakonda, M. N., (2008c). Dynamic Modeling, Simulation and Development of Model Based Control Strategies in a Urea-SCR Aftertreatment System for Heavy Duty Diesel Engines. Ph.D. Dissertation. Michigan Tech University.

Devarakonda, M., Parker, G., Johnson, J. H. and Strots, V. (2008d). Simulation based control system analysis of a urea SCR aftertreatment system based on NH3 sensor feedback. Cross-cut Lean Exhaust Emissions Reduction Simullation (CLEERS) Workshop. www.cleers.org .

Devarakonda, M., Parker, G., Johnson, J. H., Strots, V. and Santhanam, S. (2008a). Adequacy of reduced order models for model based control in a urea-SCR aftertreatment system. SAE Paper No. 2008-01-0617 (Also accepted as a special publication in SP-2155).

Devarakonda, M., Parker, G., Johnson, J. H., Strots, V. and Santhanam, S. (2008b). Model based estimation and control strategy development for urea-SCR aftertreatment system. Int. J. Fuels and Lubricants 1,1, 646–661.

Krocher, O., Devadas, M., Elsener, M., Wokaun, A., Soger, N., Pfeifer, M., Demel, Y. and Mussmann, L. (2006). Investigation of the selective catalytic reduction of NO by NH3 on Fe-ZSM5 monolith catalysts. Applied Catalysis B: Environmental, 66, 208–216.

Moss, R., Muller, R., Plog, C., Knezevic, A., Leye, H., Irion, E., Braun, T., Marquardt, K. and Binder, K. (2002). Selective ammonia exhaust gas sensor for automotive applications. Sensors and Actuators B, 83, 181–189.

Schar, C., Onder, C. and Geering, H. (2006). Control of an SCR catalytic converter system for heavy duty diesel application. IEEE Trans. Control Systems Technology, 14, 641–654.

Tronconi, E., Lietti, L., Forzatti, P. and Malloggi, S. (1996). Experimental and theoretical investigation of the dynamics of the SCR-DeNOx reaction. Chemical Engineering Science, 51, 2965–2970.

Tronconi, E., Nova, I., Grossale, A. and Ciardelli, C. (2007). Catalytic mechanism, detailed kinetics and converter model for NH3-SCR of NOx emissions from vehicles. Cross-cut Lean Exhaust Emissions Reduction Simulation (CLEERS) Workshop. www.cleers.org .

Upadhyay, D. and Van Nieuwstadt (2002). Control design of an automotive urea SCR catalyst. ASME Int. Mechanical Engineering Cong. and Exposition, IMECE2002-32103.

Upadhyay, D. and Van Nieuwstadt, M. (2006). Model based analysis and control design of a Urea-SCR DeNOx aftertreatment system. ASME J. Dynamic Systems, Measurement and Control, 128.

Wang, D., Tao, S., Cabush, D. and Racine, D. (2007). Ammonia sensor for SCR NOx reduction. Diesel Engines Emissions Reduction (DEER) Conf.

Wingbrant, H., Svenningstorp, H., Salomonsson, P., Kubinski, D., Visser, J., Lofdahl, M. and Spetz, A. (2005). Using a MISic-FET sensor for detecting NH3 in SCR systems. IEEE Sensors J., 5, 1099–1105.