[41]	A. P. Wiese, A. Stefanopoulou, A. Karnik, and J. H. Buckland. Model predictive control for low pressure exhaust gas recirculation with scavenging. In American Control Conference (ACC), pages 3638-3643, 2017. [ bib | DOI | pdf ]
[40]	A. Wiese, A.G. Stefanopoulou, J. Buckland, and A. Y. Karnik. Modelling and control of engine torque for short-circuit flow and egr evacuation. In SAE Technical Paper 2017-01-0606, 2017. [ bib | DOI | pdf ]
[39]	C. Guardiola, V. Triantopoulos, P. Bares, S. Bohac, and A. Stefanopoulou. Simultaneous estimation of intake and residual mass using in-cylinder pressure in an engine with negative valve overlap. In 8th IFAC Symposium on Advances in Automotive Control, 2016. [ bib | DOI | pdf ]
[38]	D. Lee, L. Jiang, H. Yilmaz, and A. G. Stefanopoulou. Preliminary results on optimal variable valve timing and spark timing control via extremum seeking. In DSCC 2010, 2010. [ bib ]
[37]	L. Jiang, J. Vanier, H. Yilmaz, and A. Stefanopoulou. Parameterization and simulation for a turbocharged spark ignition direct injection engine with variable valve timing. In SAE Technical Paper 2009-01-0680, 2009. [ bib | DOI | pdf ]
[36]	Chia-Jui Chiang, Anna G. Stefanopoulou, and Mrdjan Janković. Nonlinear control of transitions between thermal equilibria in homogeneous charge compression ignition (hcci) engines. In In Proceedings of AVEC '06 : 8th International Symposium on Advanced Vehicle Control, 2006. [ bib ]
[35]	K. S. Peterson, J. W. Grizzle, and A. G. Stefanopoulou. Nonlinear control for magnetic levitation of automotive engine valves. IEEE Transactions on Control Systems Technology, 14(2):346-354, 2006. [ bib | DOI | pdf ]
[34]	L.S. Peterson, A.G. Stefanopoulou, and J. Freudenberg. Current versus flux in the control of electromechanical valve actuators. In Proceedings of the 2005 American Control Conference, volume 7, pages 5021-5026, 2005. [ bib | DOI | pdf ]
[33]	Hakan Yilmaz and Anna Stefanopoulou. Control of charge dilution in turbocharged diesel engines via exhaust valve timing. Journal of Dynamic Systems, Measurement, and Control, 127(3):363-373, 2005. [ bib | DOI | pdf | http ]
[32]	Katherine S. Peterson and Anna G. Stefanopoulou. Extremum seeking control for soft landing of an electromechanical valve actuator. Automatica, 40(6):1063 - 1069, 2004. [ bib | DOI | pdf | http ]
[31]	K.S. Peterson, J.W. Grizzle, and A.G. Stefanopoulou. Nonlinear magnetic levitation of automotive engine valves. In Third IFAC Symposium on Mechatronic Systems, pages 645-650, 2004. [ bib | pdf ]
[30]	H. Yilmaz and A. Stefanopoulou. Control of charge dilution in turbocharged diesel engines via exhaust valve timing. In American Control Conference, 2003. Proceedings of the, volume 1, pages 761-766 vol.1, June 2003. [ bib | pdf ]
[29]	W. Hoffmann, K. Peterson, and A. Stefanopoulou. Iterative learning control for soft landing of electromechanical valve actuator in camless engines. IEEE Transactions on Control System Technology, 11(2):174-184, March 2003. [ bib | DOI | pdf ]
[28]	K. S. Peterson, A. G. Stefanopoulou, Y. Wang, and T. Megli. Virtual lash adjuster for an electromechanical valve actuator through iterative learning control. In Proceedings of ASME International Mechanical Engineering Congress and Exposition (IMECE2003), pages 295-301. ASME, 2003. [ bib | DOI | pdf | http ]
[27]	K.S. Peterson and A.G. Stefanopoulou. Rendering the electromechanical valve actuator globally asymptotically stable. In Decision and Control, 2003. Proceedings. 42nd IEEE Conference on, volume 2, pages 1753-1758, 2003. [ bib | DOI | pdf ]
[26]	K. S. Peterson, A. G. Stefanopoulou, and Y Wang. Control of electromechanical actuators: Valves tapping in rhythm. In L. Giarre' and B. Bamieh, editors, Multidisciplinary Research in Control, The Mohammed Dahleh Symposium 2002, volume 289 of Lecture Notes in Control and Information Sciences. Springer-Verlag, 2003. ISBN 3-540-00917-5. [ bib | DOI | pdf ]
[25]	S. Liu and A.G. Stefanopoulou. Effects of control structure on performance for an automotive powertrain with a continuously variable transmission. Control Systems Technology, IEEE Transactions on, 10(5):701-708, September 2002. [ bib | DOI | pdf ]
[24]	K.S. Peterson, A.G. Stefanopoulou, Y. Wang, and M. Haghgooie. Nonlinear self-tuning control for soft landing of an electromechanical valve actuator. In Mechatronic Systems 2002: A Proceedings Volume from the 2nd IFAC Conference, pages 191-196, 2002. [ bib | pdf ]
[23]	K. Peterson, A. Stefanopoulou, T. Megli, and M. Haghgooie. Output observer based feedback for soft landing of electromechanical camless valvetrain actuator. In American Control Conference, 2002. Proceedings of the 2002, volume 2, pages 1413-1418, 2002. [ bib | DOI | pdf ]
[22]	K.S. Peterson, W. Hoffman, and A. Stefanopoulou. Experimental results and implementation issues of an iterative learning controller for soft landing of an electromechanical valve actuator. In Proceedings of the 10th Mediterranean Conference on Control and Automation - MED2002, Lisbon, Portugal, July 9-12, 2002., 2002. [ bib | pdf ]
[21]	Y. Wang, A. Stefanopoulou, K. Peterson, T. Megli, and M. Haghgooie. Modeling and control of electromechanical valve actuator. Technical Report 2002-01-1106, SAE, 2002. [ bib | DOI | pdf ]
[20]	W. Hoffmann and A.G. Stefanopoulou. Iterative learning control of electromechanical camless valve actuator. In American Control Conference, 2001. Proceedings of the 2001, volume 4, pages 2860-2866, 2001. [ bib | DOI | pdf ]
[19]	M.-S. S. Ashhab, A. G. Stefanopoulou, J. A. Cook, and M. B. Levin. Control-oriented model for camless intake process-part i. Journal of Dynamic Systems, Measurement, and Control, 122(1):122-130, 2000. [ bib | DOI | pdf | http ]
[18]	M.-S. S. Ashhab, A. G. Stefanopoulou, J. A. Cook, and M. B. Levin. Control of camless intake process - part ii. Journal of Dynamic Systems, Measurement, and Control, 122(1):131-139, 2000. [ bib | DOI | pdf | http ]
[17]	A.G. Stefanopoulou, J.S. Freudenberg, and J.W. Grizzle. Variable camshaft timing engine control. Control Systems Technology, IEEE Transactions on, 8(1):23-34, January 2000. [ bib | DOI | pdf ]
[16]	Y. Wang, A. Stefanopoulou, I. Haghgooie, M.and Kolmanovsky, and M. Hammoud. Modeling of an electromechanical valve actuator for a camless engine. In AVEC '2000: 5th International Symposium on Advanced Vehicle Control, volume 5, page 2907, 2000. [ bib | pdf ]
[15]	A.G. Stefanopoulou and I. Kolmanovsky. Analysis and control of transient torque response in engines with internal exhaust gas recirculation. Control Systems Technology, IEEE Transactions on, 7(5):555-566, September 1999. [ bib | DOI | pdf ]
[14]	Yan Wang, A. Stefanopoulou, and M. Levin. Idle speed control: an old problem in a new engine design. In American Control Conference, 1999. Proceedings of the 1999, volume 2, pages 1217-1221 vol.2, June 1999. [ bib | DOI | pdf ]
[13]	M.-S. S. Ashhab, A. G. Stefanopoulou, J. A. Cook, and M. B. Levin. Control-oriented model for camless intake process part i. In Proceedings of International Mechanical Engineering Congress & Exposition (!MECE), Dynamic Systems & Control Division (DSCD), pages 179-186, 1999. [ bib | DOI | pdf ]
[12]	M.-S. S. Ashhab, A. G. Stefanopoulou, J. A. Cook, and M. B. Levin. Control of camless intake process - part ii. In Proceedings of International Mechanical Engineering Congress & Exposition (!MECE), Dynamic Systems & Control Division (DSCD), pages 187-194, 1999. [ bib | pdf ]
[11]	S.C. Hsieh, J.S. Freudenberg, and A.G. Stefanopoulou. Multivariable controller structure in a variable cam timing engine with electronic throttle and torque feedback. In Proceedings of the 1999 IEEE International Conference on Control Applications, volume 1, pages 465-470 vol. 1, 1999. [ bib | DOI | pdf ]
[10]	A. G. Stefanopoulou, J. A. Cook, J. W. Grizzle, and J. S. Freudenberg. Joint air-fuel ratio and torque regulation using secondary cylinder air flow actuators. Journal of Dynamic Systems, Measurement, and Control, 121(4):638-647, 1999. [ bib | DOI | pdf | http ]
[9]	M. Jankovic, F. Frischmuth, A. Stefanopoulou, and J.A. Cook. Torque management of engines with variable cam timing. Control Systems Magazine, IEEE, 18(5):34-42, October 1998. [ bib | DOI | pdf ]
[8]	M. S. Ashhab, A. G. Stefanopoulou, J. A. Cook, and M. Levin. Camless engine control for robust unthrottled operation. In Society of Automotive Engineers Special Publication Series SP-1346 SAE981031, 1998. [ bib | DOI | pdf ]
[7]	A. G. Stefanopoulou, J. A. Cook, J. W. Grizzle, and J. S. Freudenberg. Control-oriented model of a dual equal variable cam timing spark ignition engine. Journal of Dynamic Systems, Measurement, and Control, 120(2):257-266, 1998. [ bib | DOI | pdf | http ]
[6]	S.C. Hsieh, A.G. Stefanopoulou, J.S. Freudenberg, and K.R. Butts. Emission and drivability tradeoffs in a variable cam timing si engine with electronic throttle. In American Control Conference, 1997. Proceedings of the 1997, volume 1, pages 284-288 vol.1, June 1997. [ bib | DOI | pdf ]
[5]	A.G. Stefanopoulou and I. Kolmanovsky. Dynamic scheduling of internal exhaust gas recirculation systems. In IMECE 1997, Sixth ASME Symposium on Advanced Automotive Technologies, Proceedings of, volume 61, pages 671-678, 1997. [ bib | pdf ]
[4]	A.G. Stefanopoulou, K.R. Butts, J.A. Cook, J.S. Freudenberg, and J.W. Grizzle. Consequences of modular controller development for automotive powertrains: a case study. In Decision and Control, 1995., Proceedings of the 34th IEEE Conference on, volume 1, pages 768-773, December 1995. [ bib | DOI | pdf ]
[3]	A.G. Stefanopoulou, J.A. Cook, J.S. Freudenberg, J.W. Grizzle, M. Haghgooie, and P.S. Szpak. Modeling and control of a spark ignition engine with variable cam timing. In Proceedings of the American Control Conference, 1995, volume 4, pages 2576-2581, June 1995. [ bib | DOI | pdf ]
[2]	A. G. Stefanopoulou, K. R. Butts, J. A. Cook, J. S. Freudenberg, and J. W. Grizzle. Automotive powertrain control for modular controller architectures: A case study. In 1995 Conference on Decision and Control, pages 768-773, 1995. [ bib ]
[1]	A.G. Stefanopoulou, J.W. Grizzle, and J.S. Freudenberg. Engine air-fuel ratio and torque control using secondary throttles. In Decision and Control, 1994., Proceedings of the 33rd IEEE Conference on, volume 3, pages 2748-2753 vol.3, December 1994. [ bib | DOI | pdf ]