Publications

Refereed journal papers (27 accepted or in-print, 4 more in review).       

1. Gregory M. Shaver*, Matthew J. Roelle, J. Christian Gerdes, Patrick A. Caton and Christopher F. Edwards, Dynamic Modeling of HCCI Engines Utilizing Variable Valve Actuation, ASME Journal of Dynamic Systems, Measurement and Control, vol. 127, no. 3, pp. 374-381, September 2005 (Selected as the best paper published in the Journal of Dynamic Systems, Measurement and Control, 2005)
2. , Matthew J. Roelle, J. Christian Gerdes, Jean-Pierre Hathout, Jasim Ahmed, Aleksandar Kojic, Patrick A. Caton and Christopher F. Edwards, A Physics-Based Approach to Control of HCCI Engines with Variable Valve Actuation, International Journal of Engine Research, vol. 6, no. 4, pp. 361-375(15), July 2005
3. , Matthew J. Roelle, J. Christian Gerdes, Modeling Cycle-to-Cycle Dynamics and Mode Transition in HCCI Engines with Variable Valve Actuation, IFAC Journal on Control Engineering Practice (CEP), vol. 14, no. 3, pp. 213-222, March 2006
4. , Matthew J. Roelle and J. Christian Gerdes, Physics-based Modeling and Control of Residual-Affected HCCI Engines, ASME Journal of Dynamic Systems, Measurement and Control, Volume 131,  Issue 2, March 2009 
5. , Gayatri Adi*, Mike Bunce, and Gregory M. Shaver, Steady-state Biodiesel Blend Estimation via a Wideband Oxygen Sensor, The ASME Journal of Dynamic Systems, Measurement and Control, Vol. 131, no. 4, July 2009
6. , Carrie Hall*, David Snyder*, Mike Bunce, Chris Satkoski, Shankar Kumar, Phanindra Garimella, Donald Stanton and Gregory M. Shaver, Soy-Biodiesel Impact on NOx Emissions and Fuel Economy for Diffusion Dominated Combustion in a Turbo-Diesel Engine Incorporating EGR and Common Rail Fuel Injection, Energy and Fuels, 23 (12), pp.5821–5829, October 2009    
7. Gregory M. Shaver, Stability Analysis of Residual-Affected HCCI using Convex Optimization, IFAC Control Engineering Practice Special Issue – Advance in Automotive Control, Volume 17, Issue 12,  pp. 1454-1460, December 2009
8. Aman Yadav*, Gregory M. Shaver*, and Peter Meckl, Lessons learned: Implementing the case teaching method in a mechanical engineering course, Journal of Engr. Education, 99(1), pp. 55-69, Jan 2010
9. Sriram S. Popuri, Gregory M. Shaver, Tim R. Frazier, and Donald W. Stanton, Computationally Efficient Whole-Engine Model of a Cummins 2007 Turbocharged Diesel Engine, The ASME Journal of Engineering for Gas Turbines and Power, Volume 132,  Issue 2, February 2010
10. Mike Bunce*, David Snyder*, Gayatri Adi*, Carrie Hall, Jeremy Koehler, Bernie Davila, Shankar Kumar, Phanindra Garimella, Don Stanton, and Greg Shaver, Stock and Optimized Performance and Emissions with 5 and 20% Soy-Biodiesel Blends in a Modern Common Rail Turbo-Diesel Engine, Energy and Fuels, 24 (2), pp. 928–939, February 2010
11. David Snyder*, Gayatri Adi, Mike Bunce, Chris Satkoski, and Gregory M. Shaver, Fuel Blend Fraction Estimation for Fuel-Flexible Combustion Control: Uncertainty Analysis, IFAC Control Engineering Practice, Volume 18, Issue 4, pp. 418-432, April 2010
12. Anup Kuklarni*, Karla Stricker, Angeline Blum, and Gregory M. Shaver, PCCI Control Authority of a Modern Diesel Engine Outfitted with Flexible Intake Valve Actuation, ASME Journal of Dynamic Systems, Measurement and Control, Volume 132, Issue 5, 15 pages, September 2010
13. Chris Satkoski*, Greg Shaver, Piezoelectric Fuel Injection - Pulse-to-Pulse Coupling and Flow Rate Estimation, ASME/IEEE Transactions on Mechatronics, volume 16, issue 4, August 2011
14. Chris Satkoski*, Greg Shaver, Ranjit More, Peter Meckl, Douglas Memering, Shankar Venkataraman, Jalal Syed, and Jesus Carmon-Valdes, Dynamic Modeling of a Piezoelectric Actuated Fuel Injector, ASME Journal of Dynamic Systems, Measurement, and Control, vol. 133 (5), 2011.
15. Rajani Modiyani*, Lyle Kocher*, Dan Van Alstine*, Ed Koeberlein, Karla Stricker, Paul Meckl, and Gregory M. Shaver, Effect of Intake Valve Closure Modulation on Effective Compression Ratio and Gas Exchange in Modern, Multi-Cylinder Diesel Engines.  International Journal of Engine Research, vol. 12 (6), 2011
16. Michael Bunce*, David Snyder*, Gayatri Adi*, Carrie Hall, Jeremy Koehler, Bernabe Davila, Phanindra Garimella, Shankar Kumar, Donald Stanton, and Gregory M. Shaver, Optimization of Soy-Biodiesel Combustion in a Modern Diesel Engine, Fuel, vol. 90 (8), pp. 2560-2570, 2011
17. David Snyder*, Gayatri Adi, Carrie Hall, Michael Bunce, and Gregory M. Shaver, Control-Variable-Based Accommodation of biodiesel blends.  International Journal of Engine Research, vol. 12 (6).
18. Karla Stricker*, Lyle Kocher*, Ed Koeberlein, Dan Van Alstine, and Gregory M. Shaver, Turbocharger Map Reduction for Control-Oriented Modeling, Journal of Dynamic Systems, Measurement, and control Accepted 4/12/2012.
19. Lyle Kocher, Ed Koeberlein, Dan Van Alstine, Karla Stricker, and Gregory M. Shaver, Physically-Based Volumetric Efficiency Model for Diesel Engines Utilizing Variable Intake Valve Actuation, International Journal of Engine Research, In Press, appeared online Nov. 21, 2011
20. Ed Koeberlein, Lyle Kocher, Dan Van Alstine, Karla Stricker, and Gregory M. Shaver, Control-Oriented Modeling of Exhaust Enthalpy for Engines Utilizing Valve Modulation, Submitted for review to IFAC Control Engineering Practice, 4-27-2011
21. Gayatri Adi*, Carrie Hall*, David Snyder, Whitney Belt, and Gregory M. Shaver, Fuel Flexible Combustion Control of Biodiesel Blends, ASME Journal of Dynamic Systems, Measurement, and Control, accepted 11-14-2012
22. Chris A. Satkoski*, Neha S. Ruikar, Scott D. Biggs, and Gregory M. Shaver, Piezo-electric Fuel Injection – Cycle-to-Cycle Control of Tightly Space Injections, Accept, to appear in, IFAC Control Engineering Practice, accepted 3-4-2012
23. Karla Stricker*, Lyle Kocher*, Ed Koeberlein, Dan Van Alstine, and Gregory M. Shaver, Estimation of Effective Compression Ratio for Engines Utilizing Flexible Intake Valve Actuation, Journal of Automobile Engineering, Volume 226 Issue 8 August 2012 pp. 1003 - 1017.
24. Lyle Kocher*, Ed Koeberlein, Karla Stricker, D.G. Van Alstine, and Gregory M. Shaver, Control-Oriented Gas Exchange Model for Diesel Engines Utilizing Flexible Intake Valve Actuation, submitted for review to the Journal of Dynamic Systems, Measurement, and Control, 10-24-2011
25. Carrie Hall*, Gregory M. Shaver, Jonathan Chauvin, and Nicolas Petit, Control-Oriented Modeling of Combustion Phasing for a Fuel-Flexible Spark-Ignited Engine with Variable Valve Actuation, International Journal of Engine Research, accepted 1-2-2012
26. Lyle Kocher*, Karla Stricker, Ed Koeberlein, Dan Van Alstine, and Gregory M. Shaver, In-cylinder Oxygen Fraction Estimation for Diesel Engines Utilizing Flexible Intake Valve Actuation, submitted for review to the IEEE Transaction on Control Systems Technology, 11-21-2011
27. Dan Van Alstine*, Lyle Kocher*, Ed Koeberlein, Karla Stricker, and Gregory M. Shaver, Control-Oriented PCCI Combustion Timing Model for a Diesel Engine Utilizing Flexible Intake Valve Modulation, International Journal of Engine Research, accepted 6-23-2012
28. Karla Stricker*, Lyle Kocher, Dan Van Alstine, and Gregory M. Shaver, Input Observer Convergence and Robustness: Application to Compression Ratio Estimation, submitted for review to IFAC Control Engineering Practice, accepted 11-26-2012
29. Carrie Hall*, Dan Van Alstine, Lyle Kocher, and Gregory M. Shaver, Closed Loop Combustion Control of Biodiesel/Diesel Blends in Premixed Operating Conditions Enabled via High EGR Rates, Journal of Automobile Engineering, accepted 7-19-2012
30. Gayatri Adi*, Carrie Hall*, Gregory M. Shaver, and Bernard Tao, A Robust Fuel Flexible Combustion Control Strategy for Biodiesel with Variable Fatty Acid Composition During Mixing Controlled Combustion, International Journal of Engine Research, accepted 9-18-2012
31. Dat Le*, Jin Shen, Neha Ruikar, Gregory M. Shaver, Dynamic Modeling of a Piezoelectric Fuel Injector During Rate Shaping, submitted for review to the International Journal of Engine Research, 1-8-2013

Refereed conference or symposium papers (38 have appeared, 3 in review).

1. Gregory M. Shaver*, J. Christian Gerdes, Parag Jain and P.A. Caton and C.F. Edwards, Modeling for Control of HCCI Engines. In the Proceedings of the American Control Conference, 2003, pp. 749-754, Denver
2. Gregory M. Shaver* and J. Christian Gerdes, Cycle-to-cycle control of HCCI Engines, In the Proceeding of the 2003 ASME International Mechanical Engineering Congress and Exposition, IMECE2003-41966, Washington D.C.
3. Gregory M. Shaver*, J. Christian Gerdes and Matthew Roelle, Modeling Cycle-to-Cycle Coupling in HCCI Engines Utilizing Variable Valve Actuation, In the Proceedings of the 1st IFAC Symposium on Advances in Automotive Control, 2004, pp. 244-249, Salerno, Italy (Selected for special issue of IFAC Journal of Control Engineering Practice)
4. Gregory M. Shaver*, J. Christian Gerdes and Matthew Roelle, Physics-Based Closed-Loop Control of Phasing, Peak Pressure and Work Output in HCCI Engines Utilizing Variable Valve Actuation, Proceedings of the American Control Conference, pp. 150-155, 2004, Boston, Mass. (Best pres. in session award)
5. Gregory M. Shaver*, Aleksandar Kojic*, J. Christian Gerdes, Jean-Pierre Hathout, and Jasim Ahmed, Contraction and Sum of Squares Analysis of HCCI Engines, In the Proceedings of the 2004 IFAC Symposium on Nonlinear Control Systems, Stuttgart, Germany
6. Matthew J. Roelle*, Gregory M. Shaver and J. Christian Gerdes, A Multi-Mode Combustion Model of SI and HCCI for Mode Transition Control, In the Proceedings of the ASME International Mechanical Engineering Congress, 2004, IMECE2004-62188, Anaheim, California
7. Gregory M. Shaver*, Matthew J. Roelle, J. Christian Gerdes, Decoupled Control of Combustion Timing and Work Output on an HCCI Engine, Proceedings of the American Control Conference, pp. 3871-3876 2005, Portland, Oregon  (Best presentation in session award)
8. Gregory M. Shaver*, Matthew J. Roelle, J. Christian Gerdes, A 2-Input, 2-State Model of Residual-Affected HCCI Engines, 2006 American Control Conference, Minneapolis, Minnesota 
9. Gregory M. Shaver, Stability Analysis of Residual-Affected HCCI using Convex Optimization, IFAC Advances in Automotive Control, August 2007, Monterey Coast, CA
10. Anup Kulkarni*, Gayatri Adi*, and Gregory M. Shaver, Modeling Cylinder-to-Cylinder Coupling in Multi-Cylinder HCCI Engines Incorporating Reinduction, 2007 ASME IMECE, IMECE2007-42487, November 2007, Seattle WA
11. David B. Snyder*, Elena G. Washington, Armando P. Indrajuana, and Gregory M. Shaver, Biodiesel Blend Estimation via a Wideband Oxygen Sensor,  Proceedings of the 2008 American Control Conference, June 2008
12. Meagan Arnold*, Aman Yadav, Gregory M. Shaver, and Eric Nauman, E. A. (2008, June). Measuring student perceptions of case-based instruction in an engineering course. Paper presented at the American Society of Engr. Education Annual Conference and Exposition, Pittsburg, PA.
13. David B. Snyder*, Gayatri H. Adi, Michael P. Bunce, Chris Satkoski, and Gregory M. Shaver, Uncertainty Analysis of Wideband Oxygen Sensor Based Strategy for Steady-State Biodiesel Blend Estimation, 2008 Dynamic Systems and Control Conference, October 20-22, 2008
14. Gayatri Adi*, Carrie Hall, Chris Satkoski, Mike Bunce, David Snyder, and Gregory M. Shaver, Capturing experimentally observed, biodiesel induced increases of fuel consumption and NOx with a physics-based whole engine model, ASME Internal Combustion Engine Division 2009 Spring Technical Conference, Milwaukee, Wisconsin, May 2009
15. Aman Yadav and Gregory M. Shaver, Comparing the lecture method with case teaching method in a mechanical engineering course, ASEE Annual Conference, Austin, TX June 2009
16. Anup Kulkarni*, Karla Stricker, Angeline Blum, and Gregory M. Shaver, PCCI control authority of a modern diesel engine outfitted with flexible intake valve actuation,, Submitted for consideration to the 2009 SAE International Powertrains, Fuels and Lubricants Meeting, Florence, Italy, June 2009
17. Anup Kulkarni*, Gayatri Adi, Sriram S. Popuri, Gregory M. Shaver, Tim R. Frazier, and Donald W. Stanton, Development and validation of a flexible and computationally efficient whole engine model of a Cummins 2007 turbocharged diesel engine, Submitted for consideration to the 2009 SAE International Powertrains, Fuels and Lubricants Meeting, Florence, Italy, June 2009
18. Chris Satkoski*, Gregory M. Shaver, Ranjit More, Peter Meckl, and Douglas Memering, Dynamic Modeling of a Piezo-electric Actuated Fuel Injector, IFAC Workshop on Engine and Powertrain Control Simulation and Modeling, 11/30-12/2/2009, IFP, Rueil-Malmaison, France
19. Gayatri Adi*, Carrie Hall*, David Snyder*, Michael Bunce, and Gregory M. Shaver, Clean and Efficient Fuel-Flexible Combustion of Alternative Diesel Fuels via Closed-Loop Control, 2nd International Conference and Exhibition on Advances in Energy Research, 12/2009, IIT Bombay
20. David Snyder*, Gayatri Adi, Michael Bunce, Carrie Hall, and Gregory M. Shaver, Dynamic exhaust oxygen based biodiesel blend estimation with an extended Kalman filter, 2010 American Control Conference, Baltimore, MD on June 30-July 02, 2010
21. Christopher Satkoski and Gregory M. Shaver, Design of a Dynamic Fuel Flow Estimator For a Piezoelectric Fuel Injector, 6th IFAC Symposium Advances in Automotive Control, Munich – Schwabing, Germany, July 12-14, 2010.
22. Mike Bunce*, David Snyder*, Gayatri Adi*, Carrie Hall, Bernie Davila, and Gregory M. Shaver, Optimization of the performance and emissions of soy biodiesel blends in a modern diesel engine, 2010 ASME Internal Combustion Engine Division Fall Technical Conference, September 12-15, 2010, San Antonio, TX, USA
23. David Snyder*, Gayatri Adi*, Carrie Hall, Mike Bunce, and Gregory M. Shaver, Control Variable Based Accommodation of Biodiesel Blends, 2010 ASME Internal Combustion Engine Division Fall Technical Conference, September 12-15, 2010, San Antonio, TX, USA
24. Chris Satkoski*, Scott D. Biggs, and Gregory M. Shaver, Cycle-to-Cycle Estimation and Control of Multiple Pulse Profiles for a Piezoelectric Fuel Injection, 2011 Amer. Control Conf.
25. Lyle Kocher*, Ed Koeberlein*, Karla Stricker, Daniel Van Alstine, and Gregory M. Shaver, Control-Oriented Modeling of Diesel Engine Gas Exchange, 2011 Amer. Control Conf.
26. Ed Koeberlein*, Lyle Kocher, Daniel Van Alstine, Karla Stricker, and Gregory M. Shaver, Physics-based Control-Oriented Modeling of Exhaust Gas Enthalpy for Engines Utilizing Variable Valve Actuation, 2011 Dyn. Systems and Control Conference.
27. Karla Stricker*, Lyle Kocher, Ed Koeberlein, Daniel Van Alstine, and Gregory M. Shaver, Turbocharger Map Reduction for Control-Oriented Modeling, 2011 Dynamics Systems and Control Conference.
28. Lyle Kocher, Ed Koeberlein, Daniel Van Alstine, Karla Stricker, and Gregory M. Shaver, Physically-Based Volumetric Efficiency Model for Diesel Engines Utilizing Variable Intake Valve Actuation, 2011 Dynamics Systems and Control Conference.
29. Neha Ruikar*, Chris Satkoski*, and Gregory M. Shaver, Control Design Amenable Model of Needle Position for a Direct Acting Piezoelectric Fuel Injector, 2011 Dynamics Systems and Control Conference.
30. Gayatri Adi*, Carrie Hall*, and Gregory M. Shaver, Closed-Loop Control of Fuel-Flexible CI Engines, 3^rd International Conference on Advances in Energy Research, December, 2011.
31. Dan Van Alstine*, Lyle Kocher, Ed Koeberlein, Karla Stricker, and Gregory M. Shaver, Control-Oriented PCCI Combustion Timing Model for a Diesel Engine Utilizing Flexible Intake Valve Actuation and Higher EGR Levels, 2012 American Control Conference.
32. Karla Stricker*, Lyle Kocher, Ed Koeberlein, Dan Van Alstine, and Gregory M. Shaver, Effective Compression Ratio Estimation in Engines with Flexible Intake Valve Actuation, 2012 American Control Conference.
33. Lyle Kocher, Karla Stricker, Dan Van Alstine, Ed Koeberlein, and Gregory M. Shaver, Oxygen Fraction Estimation for Diesel Engines Utilizing Variable Intake Valve Actuation, 2012 American Control Conference.
34. Carrie M. Hall*, Gregory M. Shaver, Jonathan Chauvin, and Nicolas Petit, Combustion Phasing Model for Control of a Gasoline-Ethanol Fueled SI Engine with Variable Valve Timing, 2012 American Control Conference.
35. Gayatri Adi*, Carrie Hall*, and Gregory M. Shaver, Diesel Engine Control Strategy for Biodiesel Blend Accommodation Independent of Fuel Fatty Acid Structure, 2012 IFAC Workshop
36. Lyle Kocher*, Karla Stricker, Dan Van Alstine, and Gregory M. Shaver, Robust Oxygen Fraction Estimation for Diesel Engines Utilizing Variable Intake Valve Actuation, 2012 IFAC Workshop
37. Karla Stricker*, Lyle Kocher, Dan Van Alstine, and Gregory M. Shaver, Guaranteed Convergence of a High-Gain Input Observer Robust to Measurement Uncertainty: Application to Effective Compression Ratio Estimation, 2012 IFAC Workshop
38. Carrie M. Hall, Dan Van Alstine, Lyle Kocher, and Greg Shaver, Combustion Timing Modeling & Control Framework for Biodiesel/Diesel Blends During Pre-mixed Combustion, 2012 Dynamic Systems and Control Conference.
39. Dat Le*, Jin Shen*, Neha S. Ruikar, and Gregory M. Shaver, Dynamic Modeling of Piezo-Electric Injector-Enabled Rate Shaping, submitted for review for the American Control Conference, 2013.
40. Jin Shen*, Neha Ruikar*, Dat Le and Gregory M. Shaver, Model-based Within-a-Cycle Estimation of Rate Shaping for a Piezoelectric Fuel Injector, submitted for review for the American Control Conference, 2013.
41. Lyle Kocher*, Mark Magee, Dan Van Alstine, Gregory M. Shaver , A Nonlinear Model-Based Controller for Premixed Charge Compression Ignition Combustion Timing in Diesel Engines, submitted for review for the American Control Conference, 2013.

Purdue Aims to fill engineer shortage with hybrid program, Feb. 2013

Toward a Greener Tomorrow – Multidisciplinary research is leading to clean, efficient, fuel-flexible vehicles, January 2013

EcoCar2: Plugging into the future, January 2013

Purdue creates graduate certificate in hybrid vehicles, September 2012

Science on Tap talk to focus on researching next generation of engines, August 2012

Gregory Shaver Honored with Max Bentele Award for Engine Technology Innovation, August 2012

Purdue creates graduate certificate in hybrid vehicles, September 2012

Engineering is a family affair, Spring 2012

Cramming for degrees in hybrids, May 2012

Advanced engine-control system reduces biodiesel fuel consumption and emissions, 1/25/2010

Purdue report: Switching to biodiesel benefits Indianapolis buses, 8/21/2008  

In Gas-Powered World, Ethanol Stirs Complaints (New York Times), 7/26/2008

Purdue's Herrick Labs turning 50, eyes future expansion, 7/2/2008

WSBT (South Bend, IN) Radio Interview, 6/1/2007

'Radical engine redesign would reduce pollution, oil consumption', Purdue Press, 5/8/2007

Herrick Labs Newletter, Spring 2007

Greater Lafayette Citybus Newsletter, Spring 2007

Purdue ME Impact, Winter 2006-07

Article: Gifts to Benefit Mechanical Engineering, Journal & Courier 9/16/2006