PETER J. SEILER, Ph. D.

PETER J. SEILER, Ph. D. PETER.J.SEILER@GMAIL.COM PHONE: (734) 262-0820 EDUCATION Jan 97 Dec 01 Aug 92 May 96 Doctor of Philosophy in Mechanical Engineering University of California, Berkeley Thesis advisor: J. Karl Hedrick Thesis: Coordinated Control of Unmanned Aerial Vehicles GPA: 4.0/4.0 Bachelor of Science in Mechanical Engineering Bachelor of Science in Mathematics University of Illinois at Urbana-Champaign GPA: 5.0/5.0 EXPERIENCE Nov 08 - Present Senior Research Associate Aerospace Engineering and Mechanics University of Minnesota, Twin Cities, MN Nonlinear analysis: Developed algorithms for analysis and validation of nonlinear flight control laws. Applied the techniques to analyze the susceptibility of an F-18 to the falling leaf mode. Also computed time delay margins for an adaptive flight control law. Joint work with A. Chakraborty, A. Dorobantu, G. Balas, U. Topcu, and A. Packard. Wind turbine modeling, control, and fault detection: Applied aerospace fault detection techniques to a benchmark turbine fault detection problem. Used H-infinity control methods for blade load reduction and investigated the effects of wind turbulence. Joint work with A. Ozdemir and G. Balas. Analytical redundancy: Developed a method to efficiently compute reliability metrics (false alarms, etc.) for linear fault detection systems that use analytical redundancy. Developed methods to compute robust fault detection filters using convex optimization. Joint work with T. Wheeler, G. Balas, J. Bokor, B. Vanek and A. Packard. Education: Taught a graduate class on convex optimization and robust control theory in Spring 2009. Aug 04 Nov 08 Principal Scientist R&D Honeywell Labs, Aerospace Electronic Systems Minneapolis, MN Developed sensor fusion algorithm for future Big Three active safety system. Managed a joint project between the Honeywell Labs and the Air Transport business unit to analyze the Boeing 787 flight control electronics and investigate future fly-by-wire flight control systems. Analyzed the 787 system architecture for transport delays, Byzantine failures, and single event upsets. Designed signal monitors to prevent system failure. Developed, implemented and tested GPS-denied navigation algorithms (SLAM and visual odometry) using vision and inertial sensors. Investigated and explained re-entry instability of NASA s Orion Crew Exploration Vehicle.

Dec 02 Aug 04 Assistant Professor Department of Mechanical and Industrial Engineering University of Illinois, Urbana-Champaign, IL Advised three graduate and two undergraduate students on projects involving estimation for automotive driver awareness systems, modeling and control of earth-moving vehicles, sensors for wildlife studies, and robustness analysis for nonlinear control systems. Co-authored proposals to NSF on model-based diagnostics for vapor compression cycle systems and control of distributed systems over wireless networks. Taught an undergraduate course on modeling and analysis of linear systems and a graduate course on analysis of nonlinear systems. Aug 01 Present Software Consultant MUSYN, Inc. Minneapolis, MN Implemented software for the Robust Control and Synthesis Toolbox in Matlab including loworder control design, frequency response data fitting, and worst-case robustness analysis. Updated mu analysis algorithm and developed new method for lower-bound computations. Jan 02 Nov 02 Visiting Postdoctoral Scholar Department of Mechanical Engineering University of California, Berkeley, CA Developed an optimization-based data processing technique for the use of experimental data in predictive models. Applied the method to a complex methane combustion model based on 325 chemical reactions and 77 experimental results. Constructed a polynomial toolbox using the object-oriented programming capabilities in Matlab. The toolbox has been packaged with SOSTOOLS and can be used to analyze and design nonlinear control systems. Jan 97 Dec 01 Research Assistant Vehicle Dynamics and Control Lab University of California, Berkeley, CA Designed a decentralized control algorithm for formation flight of unmanned aerial vehicles and developed a condition for the maximum vehicle-to-vehicle communication delay. Designed a collision avoidance system and an adaptive cruise control for Kia Motors. Implemented the adaptive cruise control on a Kia Enterprise using the dspace Autobox. Developed and experimentally validated a nonlinear vehicle model for a BMW 750iL. Used this model to test an adaptive cruise control designed for stop-and-go traffic conditions. Analyzed the effects of aerodynamic coefficient variations on the closed loop control of NASA s X-38 crew recovery vehicle. Reformulated the standard robust performance problem to handle correlations in the aerodynamic coefficients. Co-authored proposals that were funded through the Office of Naval Research and the National Science Foundation.

AWARDS Honeywell Bravo Silver Award for work on the 787 Flight Control Electronics, 2004. O. Hugo Schuck Award for best paper out of 888 submissions at the 2002 ACC Best Paper in Session, American Controls Conference, 2002, 2003 Automatica Outstanding Reviewer, Awarded to the top 25 out of 1100 reviewers, 2003 Outstanding Graduate Student Instructor, University of California, 2001 Bronze Tablet, Awarded to the top 3% of graduating class, University of Illinois, 1996 B.T. Chao Award, Awarded to the outstanding senior in Mechanical Engineering, 1996 Thiokol Award, Awarded for excellence in engineering design, University of Illinois, 1996 JOURNAL PAPERS 1. Seiler, P., B. Song, and J. K. Hedrick, Development of a Collision Avoidance System, Automotive Engineering International, vol. 106, no. 9, 24-28, 1998. 2. Seiler, P and A. Alleyne, Dissipative Adaptive Control for Strict Feedback Form Systems, European Journal of Control vol. 8, 435-444, 2002. 3. Pant, A., P. Seiler, and K. Hedrick, Mesh stability of look-ahead interconnected systems, IEEE Transactions on Automatic Control, vol. 47, no. 2, 403-407, 2002. 4. Seiler, P., A. Pant, and J. K. Hedrick, A Systems Interpretation for Observations of Bird V- formations, Journal of Theoretical Biology, vol. 221, no. 2, 279-287, 2003. 5. Seiler, P. and R. Sengupta, A Bounded Real Lemma for Jump Systems, IEEE Transactions on Automatic Control, vol. 48, no.9, 1651-1654, 2003. 6. Smith, C. and P. Seiler, Estimation with Lossy Measurements: Jump Estimators for Jump Systems, IEEE Transactions on Automatic Control, vol. 48, no.12, 2163-2171, 2003. 7. Frenklach, M., A. Packard, P. Seiler, and R. Feeley, Collaborative Data Processing in Developing Predictive Models of Complex Reaction Systems, International Journal of Chemical Kinetics, vol. 36, no. 1, 57-66, 2004. 8. Feeley, R., A. Packard, P. Seiler, and M. Frenklach, Consistency of a Reaction Dataset, Journal of Physical Chemistry A, vol. 108, 9573-9583, 2004. 9. Seiler, P., A. Pant, and J.K. Hedrick, String Instabilities in Formation Flight: Limitations Due to Integral Constraints, ASME Journal of Dynamic Systems, Measurement and Control, vol. 126, no. 4, 873-879, 2004. 10. Seiler, P. and R. Sengupta, An H Approach to Networked Control, IEEE Transactions on Automatic Control, vol. 50, no.3, 356-364, 2005. 11. Seiler, P., M. Frenklach, A. Packard, and R. Feeley, Numerical approaches for collaborative data processing, Optimization and Engineering, vol. 7, no. 4, 459-479, 2006. 12. Smith, G., M. Frenklach, R. Feeley, A. Packard, and P. Seiler, A System Analysis Approach to Atmospheric Observations and Models: the Mesospheric HOx Dilemma, Journal of Geophysical Research (Atmospheres), vol. 111, 2006. 13. Topcu, U., A. Packard, and P. Seiler, Local Stability Analysis Using Simulations and Sum-of- Squares Programming, Automatica, vol. 44, 2669-2675, 2008. 14. Seiler, P., U. Topcu, A. Packard, and G. Balas, Parameter-Dependent Lyapunov Functions for Linear Systems With Constant Uncertainties, IEEE Transactions on Automatic Control, vol. 54, no.10, 2410-2416, 2009. 15. Seiler, P., A. Packard, and G. Balas, A gain-based lower bound algorithm for real and mixed mu problems, Automatica, vol. 46, 493-500, 2010. 16. Topcu, U., A. Packard, P. Seiler, and G. Balas, Robust Region-of-Attraction Estimation, IEEE Transactions on Automatic Control, vol. 55, no.1, 137-142, 2010. 17. Topcu, U., A. Packard, P. Seiler, and G. Balas, Ask the experts: Help on SOS, IEEE Control

Systems Magazine, vol. 30, no.4, 18-23, 2010. 18. Chakraborty, A., P. Seiler and G. Balas, Susceptibility of F/A-18 Flight Controllers to the Falling-Leaf Mode: Linear Analysis, AIAA Journal of Guidance, Control, and Dynamics, vol. 34, no. 1, 57-72, 2010. 19. Chakraborty, A., P. Seiler and G. Balas, Susceptibility of F/A-18 Flight Controllers to the Falling-Leaf Mode: Nonlinear Analysis, AIAA Journal of Guidance, Control, and Dynamics, vol. 34, no. 1, 73-85, 2010. 20. Chakraborty, A., P. Seiler and G. Balas, Nonlinear region of attraction analysis for flight control verification and validation, Accepted to Control Engineering Practice. 21. Ozdemir, A., P. Seiler, and G. Balas, Performance of Disturbance Augmented Control Design in Turbulent Wind Conditions, Accepted to Mechatronics, Special on Past, present and future modeling and control of wind turbines. CONFERENCE PAPERS 1. Seiler, P., B. Song, and S. Lee, Application of nonlinear control to a collision avoidance system, 5th ITS World Congress, Paper No. 1020, 1998. 2. Seiler, P., A. Pant, and K. Hedrick, Preliminary investigation of mesh stability for linear systems, ASME International Mechanical Engineering Congress & Exposition, Paper No. DSC-7B- 1, 1999. 3. Alleyne, A., and P. Seiler, Adaptive passivity-based nonlinear control for strict feedback form systems, ASME International Mechanical Engineering Congress & Exposition, 2000. 4. Seiler, P. and R. Sengupta, Analysis of Communication Losses in Vehicle Control Problems, Proceedings of the American Control Conference, 1491-1496, 2001. 5. Pant, A., P. Seiler, and K. Hedrick, Mesh stability of unmanned aerial vehicle clusters, Proceedings of the American Control Conference, 62-68, 2001. 6. Seiler, P. and A. Packard, Worst-Case Performance Analysis with Constrained Uncertainty, IEEE Conference on Decision and Control, 1107-1112, 2001. 7. Pant, A., P. Seiler, and K. Hedrick, Mesh stability of look-ahead interconnected systems, IEEE Conference on Decision and Control, 3009-3013, 2001. 8. Seiler, P., A. Pant, and J.K. Hedrick, Disturbance Propagation in Large Interconnected Systems, Proceedings of the American Control Conference, 1062-1067, 2002. 9. Frenklach, M., A. Packard, and P. Seiler, Prediction Uncertainty from Models and Data, Proceedings of the American Control Conference, 4135-4140, 2002. 10. Smith, C., and P. Seiler, Optimal pseudo-steady-state estimators for systems with Markovian intermittent measurements, Proceedings of the American Control Conference, 3021-3027, 2002. 11. Seiler, P., A. Pant, and J.K. Hedrick, Analysis of bird formations, IEEE Conference on Decision and Control, 118-123, 2002. 12. P. Seiler, Stability Region Estimates for SDRE Controlled Systems using Sum of Squares Optimization, Proceedings of the American Control Conference, 1867-1872, 2003. 13. Prajna, S., A. Papachristodoulou, P. Seiler, and P. Parrilo, New Developments in Sum of Squares Optimization and SOSTOOLS, Proceedings of the American Control Conference, 5606-5611, 2004. 14. Prajna, S., A. Papachristodoulou, P. Seiler, and P. Parrilo, SOSTOOLS: Control Applications and New Developments, IEEE Intemational Symposium on Computer Aided Control Systems Design, 315-320, 2004. 15. Taub, B. M., D. Bernhardt, and P. Seiler, "Cladistic Asset Pricing," 14th Annual Utah Winter Finance Conference, 2004. 16. Seiler, P., G. Balas and A. Packard, A Gain-Based Lower Bound Algorithm for Real and Mixed Mu Problems, IEEE Conference on Decision and Control, 3548-3553, 2006. 17. Strahan, A.L., G.R. Loe, and P. Seiler, Orion Entry Flight Control Stability and

Performance, Proceedings of the AIAA Guidance, Navigation, and Control Conference, 2007. 18. Topcu, U., A. Packard, P. Seiler, and T. Wheeler, Stability Region Analysis Using Simulations and Sum-of-Squares Programming, Proc. of the American Control Conference, 6009-6014, 2007. 19. Topcu, U., A. Packard, P. Seiler, and G. Balas, Local Stability Analysis For Uncertain Nonlinear Systems Using A Branch-and-Bound Algorithm, Proceedings of the American Control Conference, 3428-3433, 2008. 20. Tan, W., U. Topcu, P. Seiler, G. Balas, and A. Packard, Simulation-aided Reachability and Local Gain Analysis for Nonlinear Dynamical Systems, Proceedings of the American Control Conference, 4097-4102, 2008. 21. Krishnaswamy, K., S. Susca, R. McCroskey, P. Seiler, J. Lukas, O. Kotaba, V. Bageshwar, and S. Ganguli, Sensor fusion for GNSS denied navigation, ION Conference, 541-551, 2008. 22. Chakraborty, A., P. Seiler and G. Balas, Applications of Linear and Nonlinear Robustness Analysis Techniques to the F/A-18 Flight Control Laws, Proceedings of the AIAA Guidance, Navigation, and Control Conference, Paper No. AIAA-2009-5675, 2009. 23. Pandita, R. A. Chakraborty, P. Seiler and G. Balas, Reachability and Region of Attraction Analysis Applied to GTM Dynamic Flight Envelope Assessment, Proceedings of the AIAA Guidance, Navigation, and Control Conference, Paper No. AIAA-2009-6258, 2009. 24. Seiler, P., G. Balas, A. Packard, and U. Topcu, Analytical Validation Tools for Safety Critical Systems, Proceedings of the AIAA InfoTech, Paper No. AIAA-2009-1991, 2009. 25. Topcu, U., A. Packard, P. Seiler, and G. Balas, Stability region estimation for systems with unmodeled dynamics, Proceedings of the European Control Conference, 2009. 26. Dorobantu, A., P. Seiler and G. Balas, Nonlinear Analysis of Adaptive Flight Control Laws, Proc. of the AIAA Guidance, Navigation, and Control Conference, Paper No. AIAA-2010-8043, 2010. 27. Seiler, P., A. Dorobantu, and G. Balas, Robustness Analysis of an L1 Adaptive Controller, Proc. of the AIAA Guidance, Navigation, and Control Conference, Paper No. AIAA-2010-8407, 2010. 28. Bokor, J., P. Seiler,, B. Vanek and G. Balas, Robust Model Matching for Geometric Fault Detection Filters: A Commercial Aircraft Example, Proceedings of the 8th European Workshop on Advanced Control and Diagnosis, 223-228, 2010. 29. Seiler, P., and G. Balas, Quasiconvex Sum-of-Squares Programming, IEEE Conference on Decision and Control, 2010. 30. Seiler, P., A. Packard, and G. Balas, A Dissipation Inequality Formulation for Stability Analysis with Integral Quadratic Constraints, IEEE Conference on Decision and Control, 2010. 31. Wheeler, T., P. Seiler, A. Packard, and G. Balas, Analytical vs. Physical Redundancy for Fault Detection in Sensor Systems, Accepted to the 2011 American Control Conference. 32. Seiler, P., J. Bokor, B. Vanek, and G. Balas, Robust Model Matching for Geometric Fault Detection Filters, Accepted to the 2011 American Control Conference. 33. Seiler, P., B. Vanek, J. Bokor, and G. Balas, Robust H-infinity Filter Design Using Frequency Gridding, Accepted to the 2011 American Control Conference. OTHER 1. Hedrick, J.K., D. Godbole, R. Rajamani, and P. Seiler, Stop and Go Cruise Control, PATH Technical Report, submitted to BMW AG, 1999. 2. Balas, G., A. Packard, and P. Seiler, Uncertain Model Set Calculation from Frequency Domain Data, Model-Based Control: Bridging Rigorous Theory and Advanced Technology, P.M.J. Van den Hof, C. Scherer, P.S.C. Heuberger (Eds.), Springer, 2009. 3. Seiler, P., A. Chakraborty, G. Balas and A. Packard, Assessment of Aircraft Flight Controllers Using Nonlinear Robustness Analysis Techniques, To be published in: Optimization Based Clearance of Flight Control Laws: A Civilian Application, A. Varga, A. Hansson, and G. Puyou (Eds.), Springer.