1. Crespo L. G., Kenny S. P., Giesy D. P.; Uncertainty Quantification via Parameter Space Characterization, Reliability Engineering and System Safety, 2012. To be submitted.


2. Crespo L. G, Kenny S. P., Giesy D. P.; A Computational Approach to Design in the Presence of Uncertainty, AIAA Journal, 2012. To be submitted.


3. Crespo L. G; Kenny S. P.; Giesy D.; Reliability Analysis of Polynomial Systems with Imprecise Probabilities, Mechanical Systems and Signal Processing, 2012, Submitted.


4. Crespo L. G., Giesy D. P., Sean P. Kenny; Bernstein Special Issue: A Unifying Framework to Uncertainty Quantification, Reliable Computing, 2011, Submitted.


5. Crespo L. G., Matsutani M., Annaswamy A. M.; Design of a Model Reference Adaptive Controller for a Remotely Operated Air Vehicle, AIAA Journal of Guidance, Control and Dynamics, 2011. To appear.


6. Liu, Y., Crespo, L. G.; Adaptive Control Allocation in the Presence of Actuator Failures, Journal of Control Science and Engineering, 2011. Submitted.

7. Kenny S. P., Crespo L. G., Giesy D. P.; Dimensionality Reduction for Uncertain Dynamic Systems, International Journal of Numerical Methods in Engineering, Special issue on Uncertainty Quantification and Prediction Science, Vol. 80, March 2009, pp.767-788.

8. Crespo L. G., Giesy D. P., Kenny S. P.; Reliability-based Analysis and Design via Failure Domain Bounding, Structural Safety, 31, 2009, 306-315.

9. Horta L. G., Kenny S. P., Crespo L. G., and Elliot K. B.; NASA Langley's Approach to the Sandias' Structural Dynamics Challenge Problem, Computational Methods in Applied Mechanics and Engineering, 197 (2008), 2607-2620.

10. Crespo L. G., Giesy D. P., Kenny S. P.; Robustness Analysis and Robust Design of Uncertain Systems, AIAA Journal, Volume 46, Number 2 (February), 2008.


11. Crespo L. G., Kenny, S. P.; Reliability-Based Control Design for Uncertain Systems , AIAA Journal of Guidance, Control and Dynamics 2005, Vol 28, No.4.


12. Crespo L. G., Sun J. Q.; Stochastic Optimal Control via Bellman's Principle, Automatica, V39 N12 2003, 2109-2114.


13. Crespo L. G., Sun J. Q.; Non-linear Stochastic Control via Stationary Response Design, Probabilistic Engineering Mechanics 2003, V18, 79-86.


14. Crespo L. G., Sun J. Q.; Solution of Fixed Final Time Optimal Control Problems via Simple Cell Mapping, Nonlinear Dynamics 2003, V31, 119-131.


15. Crespo L. G., Sun J. Q.; On the Feedback Linearization of the Lorenz System, Journal of Vibration and Control 2004, V10, 85-100.


16. Crespo L. G., Sun J. Q.; Stochastic Optimal Control of Nonlinear Systems via Short-Time Gaussian Approximation and Cell Mapping, Nonlinear Dynamics 2002, V28, 323-342.


17. Crespo L. G., Sun J. Q.; Effect of Bifurcation on the Semi-Active Optimal Control Problem, Communications in Nonlinear Science and Numerical Simulation 2002, V7 51-68.


18. Crespo L. G., Sun J. Q.; Optimal Control of Populations of Competing Species, Nonlinear Dynamics 2002, V27, 197-210.


19. Crespo L. G., Sun J. Q.; Optimal Control Problem with Target Tracking and State Constraints via SCM, AIAA Journal of Guidance, Control and Dynamics 2001, V24, N5, 1029-1032.


20. Crespo L. G., Sun J. Q.; Solution of Fixed Final State Optimal Control Problems via Simple Cell Mapping, Nonlinear Dynamics 2000, V23, 391-403.

CONFERENCE PROCEEDINGS

1. Crespo L. G; Kenny S. P.; Giesy D. P.; A study of the safely recoverable flight envelope near stall. AIAA Guidance navigation and control conference, 13-16 August, To be submitted.


2. Crespo L. G; Giesy D.; Kenny S. P.; Bounding of the failure probability range of polynomial systems subject to p-box uncertainties. ESREL 2012, Helsinki, Finland, 25-29 June, Submitted.


3. Kenny S. P.; Crespo L. G; Giesy D.; Andrews L.; Robust Control Design for Uncertain Nonlinear Dynamic Systems IMAC XXX Conference and exposition on structural dynamics, Jacksonville, Florida, January 30-february 2nd, 2012, Accepted.


4. Dorobantu A.; Crespo L. G., Seiler P. J.; Robustness analysis and optimally robust control desing via sum-of-squares, AIAA multi-disciplinary optimization conference, 2012, Honolulu, Hawaii, 2012, Accepted.


5. Crespo L. G., Kenny S. P., Giesy D. P.; Uncertainty Quantification for Polynomial Systems via Bernstein Expansions, AIAA non-deterministic approaches conference, 2012, Honolulu, Hawaii, 2012, Accepted.


6. Crespo L. G., Munoz C. A., Narkawicz A, Kenny S. P., Giesy D. P.; Uncertainty Analysis via Failure Domain Characterization: Polynomial Requirement Functions, ESREL 2011 Conference, 18-22 September 2011, Troyes, France.


7. Crespo L. G., Kenny S. P., Giesy D. P.; Uncertainty Analysis via Failure Domain Characterization: Unrestricted Requirement Functions, ESREL 2011 Conference, 18-22 September 2011, Troyes, France.


8. Crespo L. G., Matsutani M., Annaswamy A. M.; Verification and Tuning of an Adaptive Controller for an Unmanned Air Vehicle, AIAA-2010-8403, AIAA Guidance Navigation and Control Conference 2010, Toronto, Ontario, Canada.

9. Liu Y., Crespo L. G.; Adaptive Control Allocation in the Presence of Actuator Failures, AIAA-2010-7772, AIAA Guidance Navigation and Control Conference 2010, Toronto, Ontario, Canada.

10. Crespo L. G., Matsutani M., Annaswamy A. M.; Design of a Model Reference Adaptive Controller for an Unmanned Air Vehicle, AIAA-2010-8049, AIAA Guidance Navigation and Control Conference 2010, Toronto, Ontario, Canada.

11. Matsutani M., Annaswamy A. M., Crespo L. G.; Adaptive Control in the Presence of Rate Saturation with Application to the GTM, AIAA-2010-7771, AIAA Guidance Navigation and Control Conference 2010, Toronto, Ontario, Canada.

12. Matsutani M., Annaswamy A. M., Crespo L. G.; Application of a Novel Adaptive Reset Controller to the GTM, AIAA-2010-8405, AIAA Guidance Navigation and Control Conference 2010, Toronto, Ontario, Canada.

13. Gibson T., Matsutani M., Crespo L. G., Annaswamy A. M.; Internal Algorithm Monitors for Adaptive Systems, AIAA-2010-3341, AIAA 2010 Infotech Conference, Atlanta, GA, USA.

14. Crespo L. G., Matsutani M., Annaswamy A. M.; An Adaptive Control Technology for Improved Flight Safety, ICAS 2010, 27th Congress of the International Council of the Aernautical Sciences, Nice, France.

15. Crespo L. G., Matsutani M., Jang J., Gibson T., Annaswamy A. M.; Design and Verification of an Adaptive Controller for the Generic Transport Model, AIAA-2009-5618, AIAA Guidance Navigation and Control Conference 2009, Chicago, Illinois, USA.

16. Matsutani M., Gibson T., Jang J., Crespo L. G., Annaswamy A. M.; An Adaptive Control Technology for Safety of a GTM-like Aircraft, American Control Conference June 10-12 2009, St. Louis, Missouri, USA.

17. Gibson T. G., Crespo L. G., Annaswamy A. M.; Adaptive Control of Hypersonic Vehicles in the Presence of Modeling Uncertainties, American Control Conference 2009, St. Louis, Missouri, USA.

18. Kenny S. P., Crespo L. G., Giesy D. P.; Application of Dimensionality Reduction to a Large-Order Uncertain Dynamic System, AIAA-2009-2300, AIAA Conference in Non-deterministic Approaches, Palm Springs, California, 4-7 May 2009.

19. Crespo L. G., Kenny S. P., Giesy D. P.; Sampling-based Strategies for the Estimation of Probabilistic Sensitivities, AIAA-2009-2283, AIAA Conference in Non-deterministic Approaches, Palm Springs, California, 4-7 May 2009.

20. Giesy D. P., Crespo L. G., Kenny S. P.; Approximation of Failure Probability Using Conditional Sampling, AIAA-2008-5946, AIAA/ISMO Multidisciplinary Analysis and Optimization Conference, British Columbia, Canada, 10-12 September 2008.

21. Crespo L. G., Kenny S. P., Giesy D. P.; A Verification-driven Approach to Control Analysis and Tuning, AIAA-2008-6340, AIAA Guidance Navigation and Control Conference, Honolulu, Hawaii, 18-21 August 2008.

22. Crespo L. G., Kenny S. P., Giesy D. P.; Figures of Merit for Control Verification, AIAA-2008-6339, AIAA Guidance Navigation and Control Conference, Honolulu, Hawaii, 18-21 August 2008.

23. Crespo L. G., Kenny S. P., Giesy D. P.; Robust Design Optimization via Failure Domain Bounding, AIAA 9th Conference on Non-deterministic Approaches, Waikiki, HI, 23-26 April 2007.

24. Crespo L. G., Giesy D. P., Kenny, S. P.; Hard and Soft Constraints in Reliability-Based Design Optimization; European Safety and Reliability Conference 2006, 18-22 September, Estoril, Portugal.

25. Crespo L. G., Giesy D. P., Kenny S. P.; Strict Constraint Feasibility in Analysis and Design of Uncertain Systems; 11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 6-8 Sep 2006, Portsmouth, VA, USA. AIAA 2006-7035.

26. Crespo L. G.; A Numerical Approach to Stochastic Optimal Control via Dynamic Programming; 16th International Federation of Automatic Control (IFAC) World Congress, Prague, Czech Republic, July 2005.

27. Crespo L. G., Kenny S. P.; A First and Second Order Moment Approach to Probabilistic Control Synthesis; AIAA Guidance, Navigation and Control Exhibit, San Francisco, CA 2005, AIAA-2005-6133

28. Crespo L. G., Kenny S. P.; Reliability-Based Control Design for Uncertain Systems, AIAA Guidance, Navigation and Control Exhibit, San Francisco, CA 2005, AIAA-2005-6132

29. Crespo L. G., Probabilistic Formulations to Robust Optimal Control, AIAA 6th Conference on Non-deterministic Approaches, Palm Springs, CA, 2004.

30. Crespo L. G., Optimization of systems with uncertainty: Initial developments for performance, robustness and reliability based designs, American Control Conference; Denver, CO, 2003.

31. Crespo L. G., Differential Flatness and Cooperative Tracking in the Lorenz System, American Control Conference; Denver, CO, 2003.

32. Crespo L. G., Sun J. Q.; Feedback Linearization of the Lorenz system: Stabilization and Tracking, ASME International mechanical engineering congress and exposition; New Orleans, LO, 2002.

33. Crespo L. G., Sun J. Q.; Stochastic control of Non-smooth and Non-linear Systems, 9th conference on non-linear vibrations, stability and dynamics of structures; Blacksburg, VA, 2002.

34. Crespo L. G., Sun J. Q.; Nonlinear Stochastic control via stationary probability density functions, American Control Conference; Anchorage, AK, 2002.

35. Crespo L. G., Sun J. Q.; Effects of the Control Bounds in the Stochastic Optimal Control Problem, American Control Conference; Anchorage, AK, 2002.

36. Crespo L. G., Sun J. Q.; An Improved Strategy to solve Fixed Final Time Optimal Control Problems via Simple Cell Mapping, 8th Conference on Nonlinear Vibrations Stability and Dynamics of structures; Blacksburg, VA, 2001.

37. Crespo L. G., Sun J. Q.; An Iterative Strategy for Fixed Final State Optimal Control Problems via Simple Cell Mapping, American Control Conference; Chicago, IL, 2000.

NASA TECHNICAL REPORTS

1. Kenny S. P., Crespo L. G., Giesy D. P.; The uncertainty quantification toolbox UQTOOLs: Introduction and tutorial , NASA TP 2012- To appear.

2. Crespo L. G., Kenny S. P., Giesy D. P.; A Computational Framework to Control Verification and Robustness Analysis, NASA TP 2010-216189.

3. Matsutani M., Crespo L. G., Annaswamy A. M.; An Adaptive Control Technology for Safety of a GTM-like Aircraft, NASA CR 2010-216202.

4. Crespo L. G., Kenny S. P.; Matlab Stability and Control Toolbox: Trim and Static Module, NASA TM 2006-214536.

5. Crespo L. G., Kenny S. P.; Robust Control Design for Systems with Probabilistic Uncertainty, NASA TP 2005-213531.

6. Crespo L. G., Sun J. Q.; Stochastic Optimal Control via Bellman's Principle, NASA CR 2003-2124191 and NIA 2003-04


7. Crespo L. G., Probabilistic Formulations to Robust Optimal Control, NASA CR 2003-212167 & NIA 2003-01.

8. Crespo L. G., Optimization of systems with uncertainty: Initial developments for performance, robustness and reliability based designs, NASA CR 2002-211952.

9. Crespo L. G., Differential Flatness and Cooperative Tracking in the Lorenz System, NASA CR 2002-211920.

THESES AND DISSERTATIONS

• Crespo L. G., Deterministic and Stochastic Optimal Control and Cell Mapping Methods, University of Delaware, Department of Mechanical Engineering, Doctoral Dissertation S/02.

• Crespo L. G., Study on the Intermittency and Cascade Effects of Turbulent Flow, Universidad de Los Andes, Departamento de Ingenieria Mecanica, Tesis de Magister S/97.

• Crespo L. G., Effects of Rotational Inertia and Gyroscopic Moment in the Vibration of Drills with Non-uniform Cross Section, Universidad de Los Andes, Departamento de Ingenieria Mecanica, Tesis de Pregrado F/95.