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Selected Book Chapters

1    Barrett, R., “Convertible UAV Design, Modeling and Development,” companion book to the short course presented through Singapore Technologies Aerospace Corporation, Paya Lebar, Singapore 21 July 2003  328 pp.

2    Melkert, J. (ed.), Barrett, R., Bergsma, O, Kamp, A., Reith, B., Saunders-Smits, G., Vermeeren, C. and Zandbergen, B., “Delft Aerospace Design Projects,” published by B.V. Uitgeversbedrijf Het Goede Boek, Huizen, Netherlands, 2004, 152pp. (One chapter per author outside of the editor ˜12.5%.)

3    Barrett, R., "Adaptive Aerostructures for Missiles, Munitions and UAVs," short course taught to engineers from the Naval Surface Warfare Center, Dahlgren, Virginia December 2004.

4    Barrett, R.,  “Introduction to Adaptive Aerostructures,” companion book to the short courses presented through the University of Kansas Continuing Education Department, Lawrence, Kansas 1998, 2000, 2002, 2005, 207-328 pp.

5    Barrett, R., "Chapter 1  
Adaptive Fight Control Actuators and Mechanisms for Missiles, Munitions and Uninhabited Aerial Vehicles (UAVs)," Advances in Flight Control Systems, Edited by Agneta Balint, ISBN 978-953-307-218-0, Hard cover, 296 pages, InTech Publishing, April 11, 2011.

6    Barrett, R., Bennett C., Matamoros, A. and Rolfe, S., "Rehabilitation of Metallic Civil Infrastructure using Fiber-reinforced Polymer (FRP) Composites, Chapter 11 Extending the fatigue life of steel bridges using fiber-reinforced polymer (FRP)," Part 3, pp. 269 - 320, Woodhead Publishing, Cambridge, UK, ISBN: 978-0-85709-653-1, 2014.

7    Barrett, R. (2017). Hybrid Aircraft Aerodynamics and Aerodynamic Design Considerations of Hover-to-Dash Convertible UAVs. In Advanced UAV Aerodynamics, Flight Stability and Control: Novel Concepts, Theory and Applications (pp. pp. 423-446). New York, NY: John Wiley & Sons, Inc. ISBN: 978-1-118-92868-4, 5 May 2017 (Refereed, Invited)

Selected Journal Articles

1.    Barrett, R., "Active Plate and Missile Wing Development Using EDAP Elements," Journal of Smart Materials and Structures, Institute of Physics Publishing, Ltd., Techno House, Bristol, UK, Vol. 1, ISSN 0964-1726, September 1992, pp. 214-226.

2    Barrett, R., "Aeroservoelastic DAP Missile Fin Development," Journal of Smart Materials and Structures, Institute of Physics Publishing, Ltd., Techno House, Bristol, UK, Vol. 2, No. 2, ISSN 0964-1726, September 1993, pp. 55-64.

3    Barrett, R., "Active Plate and Missile Wing Development Using Directionally Attached Piezoelectric Elements," AIAA Journal, Volume 32, No. 3, March, 1994, pp. 601 - 609.

4    Barrett, R., "Method and Apparatus for Sensing and Actuating in a Desired Direction," US Utility Patent No. 5,440,192, Journal of the US Patent and Trademark Office, Patent Gazette, Issued 8 August 1994. (Licensed)

5    Barrett, R., "All-Moving Active Aerodynamic Surface Research,” Journal of Smart Materials and Structures, Institute of Physics Publishing, Ltd., Techno House, Bristol, UK, Vol. 4, No. 4, June 1995, pp. 65 - 73.  

6    Barrett, R., and Farokhi, S., "Subsonic Aerodynamics and Performance of a Smart Vortex Generator System," AIAA Journal of Aircraft, Volume 33, No. 2 March - April, 1996, pp. 393 - 398.

7    Barrett, R. and Brozoski, F., "Missile Flight Control using Active Flexspar Actuators," Journal of Smart Materials and Structures, Institute of Physics Publishing, Ltd., Techno House, Bristol, UK, Vol. 5, No. 2, March 1996, pp. 121 - 128.

8    Barrett, R., and Gross, R. S., "Super-Active Shape Memory Alloy Composites," Journal of Smart Materials and Structures, Institute of Physics Publishing, Ltd., Techno House, Bristol, UK, Vol. 5, No. 3, June 1996, pp. 255 - 260.

9    Barrett, R., "Active Aeroelastic Tailoring of an Adaptive Flexspar Stabilator," Journal of Smart Materials and Structures, Vol. 5, No. 6 December 1996, Techno House, Bristol, UK, 1996, pp. 723 - 730.

10   Barrett, R., Brozoski, F., and Gross, R. S., "Design and Testing of a Subsonic All-Moving Adaptive Flight Control Surface," AIAA Journal, published by the American Institute of Aeronautics and Astronautics, Reston, VA, Volume 35, No. 7, July 1997, pp. 1217 - 1219.

11   Barrett, R. and Stutts, J., “Design and Testing of a 1/12th Scale Solid State Adaptive Rotor,” Journal of Smart Materials and Structures, Vol. 6, No. 4 August 1997, Techno House, Bristol, UK, 1997, pp. 491 - 497. 

12   Barrett, R., and Frye, P., and Schliesman, M., “Design, Construction and Characterization of a Flightworthy Piezoelectric Solid State Adaptive Rotor,” Journal of Smart Materials and Structures Vol. 7, No. 3, June 1998, pp. 422 – 431.

13   Barrett, R., “Convertible Vertical Take-Off and Landing Miniature Aerial Vehicle,” US Utility Patent 6,502,787, Journal of the US Patent and Trademark Office, Patent Gazette, issued 22 February 2002. (Licensed)

14   Lee, G., R. Barrett & C. Burger, “The XQ-138 Vertical Take-Off and Landing Convertible Uninhabited Aerial Vehicle, All Things to All Men,” Unmanned Vehicles, Volume 8, No. 4, July – August 2003, pages 27 - 28.

15   Barrett, R., Corpening, J., and Reasonover, C., “Method and Apparatus for Boundary Layer Reattachment using Piezoelectric Synthetic Jet Actuators,” US Utility Patent 6,796,533, Journal of the US Patent and Trademark Office, Patent Gazette, issued 28 September 2003.

16   Barrett, R., McMurtry, R., Vos, R., Tiso, P., and De Breuker, R., "Post-Buckled Precompressed Piezoelectric Flight Control Actuator Design, Development and Demonstration," Journal of Smart Materials and Structures, Vol. 15, No. 5, October 2006, pp. 1323 - 1331.

17   Vos, R., Barrett, R., De Breuker, R. and Tiso, P., "Post-buckled Precompressed Elements: A New Class of Control Actuators for Morphing Wing UAVs," Journal of Smart Materials and Structures, Vol. 16, No. 3, June 2007, pp. 919 - 926.

18   Vos, R., De Breuker, R., Barrett, R., and Tiso, P., “Morphing Wing Flight Control via Postbuckled Precopressed Piezoelectric Actuators, Journal of Aircraft, Vol. 44, No. 4, pp. 1060 - 1068, July-August 2007. (Invited Journal Article)

19   Barrett, R., “Post-Buckled Precompressed (PBP) Subsonic Micro Flight Control Actuators," Journal of Smart Materials and Structures, vol. 17, no. 5, 10pp., October 2008.

20   Barrett, R., “Adaptive Materials and Aerostructures: Revolutionizing Aerospace Systems,” Journal of Aerospace Sciences and Technologies, Vol. 60, No. 1, 12 pp., January 2009.

21   Vos, R., and Barrett, R., "Dynamic Elastic Axis Shifting: An Important Enhancement of Piezoelectric Postbuckled Precompressed Actuators," The Journal of the American Institute of Aeronautics and Astronautics, Vol. 48, No. 3 March 2010.

22   Vos, R., and Barrett, R., "Post-Buckled Precompressed Techniques In Adaptive Aerostructures: An Overview," MD-08-1306 Journal of Mechanical Design, Vol. 132, Issue 3, March 2010.

23   Barrett, R., (Invited Journal Article) "Hypermaneuverability and Visual Cloaking; New Adaptive Aerostructures Technologies for Uninhabited Aerial Vehicles (UAVs)," The Aeronautical Journal, Royal Aeronautical Society, London, UK, Vol. 114, No. 1156, June 2010.

24   Crain, J., Simmons, G., Bennett, C., Barrett, R., Matamoros, A., Rolfe, S., "Development of a Technique to Improve Fatigue Lives of Crack-Stop Holes in Steel Bridges," Journal of the Transportation Research Board, Bridge Engineering 2010, Volume 1, pp. 69 - 77, December 2010.

25   Barrett, R., "(Post-Buckled Precompressed) Actuator," US Utility Patent 7,898,153, Journal of the US Patent and Trademark Office, Patent Gazette, issued 1 March 2011. (Licensed)

26   Vos, R., Barrett, R., Romkes, A., "Mechanics of Pressure Adaptive Honeycomb," Journal of Intelligent Material Systems and Structures, Vol. 22, No. 10, July 2011.

27   Vos, R., and Barrett, R., "Mechanics of Pressure-Adaptive Honeycomb and its Application to Wing Morphing," Journal of Smart Materials and Structures, Vol. 20, No. 9, August 2011.

28   Cravens, S., and Barrett, R., "Infra-through Ultrasonic Piezoelectric Acoustic Vector Sensor Particle Rejection System," Journal of Smart Materials Research, Vol. 2012 No. 1/356190 16 January 2012.

29   Barrett, R., and Barnhart, R., "Solid State Adaptive Rotor using Post-Buckled Precompressed, Bending-Twist Coupled Piezoelectric Actuator Elements," Journal of Smart Materials Research, Vol. 2012, No. 1/832939 16 January 2012.

30   Fatih Alemdar, Regan Gangel, Adolfo Matamoros, Caroline Bennett, Ron Barrett, Stan Rolfe, Hao Liu, " Use of CFRP Overlays to Repair Fatigue Damage in Steel Plates under Tension Loading," Journal of Composites for Construction, American Society of Civil Engineers, February 2013.

31   Kaan, B., Aldemar, F., Bennett, C., Matamoros, A., Barrett, R. and Rolfe, S., "Fatigue Enhancement of Welded Details in Steel Bridges Using CFRP Overlay Elements," American Society of Civil Engineers Journal of Composites for Construction, Vol. 16, No. 2, April 2012.

32   Aldemar, F., Matamoros, A. B., Bennett, C., Barrett, R. and Rolfe, S., "Use of CFRP Overlays to Strengthen Welded Connections under Fatigue Loading," American Society of Civil Engineering, Journal of Bridge Engineering,  Vol. 17, No. 3,  May 2012.

33   Giannopoulos, G., Groen, M., Vos, R., and Barrett, R., "Dynamic Performance of Post-Buckled Precompressed Piezoelectric Actuator Elements," International Journal of Structural Stability and Dynamics, Vol. 12, No. 5 May (2012), 1250042.

34   Brennison, M., Barrett, R. and Kerth, L., "Multistrand, Fast Reaction Shape Memory Alloy System for Uninhabited Aerial Vehicle (UAV) Flight Control," Journal of Smart Materials Research, Vol. 2012, No. 6/238313 14 June 2012.

35   Barrett, R., Bennett, C., Matamoros, A., and Rolfe, S., "Apparatus and Method for Enhancement of Connection Performance and Fatigue Detection," US Utility Patent 8,202,378 B2, Journal of the US Patent and Trademark Office, Patent Gazette, issued 19 June 2012.

36   Barrett, R., Bennett, C., Matamoros, A., and Rolfe, S., "Method of Enhancing the Fatigue Life of a Structure," US Utility Patent 8,343,294 B2, Journal of the US Patent and Trademark Office, Patent Gazette, issued 1 January 2013.

37   Barrett, R., and Vos, R., "Method and Apparatus for Pressure Adaptive Morphing Structure," European Utility Patent, EP 2459442 A2, June 2012, also US Utility Patent 8,366,057 B2 Journal of the US Patent and Trademark Office, Patent Gazette, issued 5 February 2013.

39   Barrett, R, "Statistical Time and Market Predictive Engineering Design (STAMPED)Techniques for Aerospace System Preliminary Design,"Journal of Aeronautics & Aerospace Engineering, Omics Publishing Group, Editorial, Vol. 3, No. 1, February 2014.

40   Barrett, R., Cravens, S., "Method and Apparatus for Anti-Fouling an Anemometer," US Utility Patent 8,747,563 Journal of the US Patent and Trademark Office, Patent Gazette, issued 10 June 2014.

41   Barrett, R., Barrett, C., “Biomimetic FAA-Certifiable Artificial Muscle Structures for Commercial Aircraft Wings,” Special Issue on Biomimetics of the Journal of Smart Materials and Structures, Vol. 23, No. 7, July 2014.

42   Barrett, R., Borys, D., Gladbach, A. and Spalding, A., "Tethered Hovering Platform," US Patent 8,777,157, Journal of the US Patent and Trademark Office, Patent Gazette, issued 15 July 2014.

43   Alemdar, F., Gangel, R., Matamoros, A., Bennett, C., Barrett-Gonzalez, R., Rolfe, S., & Liu, H. (2014). Use of CFRP Overlays to Repair Fatigue Damage in Steel Plates under Tension Loading. Journal of Composites for Construction.  

44   Barrett, R, "Statistical Time and Market Predictive Engineering Design (STAMPED) Techniques for Aerospace Preliminary Design: Regional Turboprop Application, "Journal of Aeronautics & Aerospace Engineering, Omics Publishing Group, Editorial, Vol. 3, No. 2, October 2014.

45   Barrett, R. M. "Supersonic Hovering Air Vehicle," US Patent 9,004,393, Journal of the US Patent and Trademark Office, Patent Gazette, issued 14 April 2015.

46   Sinn, T., and Barrett, R., "Design, Manufacturing and Test of a High Lift Secondary Flight Control Surface with Shape Memory Alloy Post-Buckled Precompressed Actuators," Actuators, 4(3), 156 - 171. (28 July 2015)

47   Barrett, R. M. and Barrett, R. P.,  "Thermally adaptive building covering field test," Procedia Engineering 145 ( 2016 ) 26 – 33.

48   Barrett, R. M., "Radar Energy Absorbing Deformable Low Drag Vortex Generator," US Patent 9,416,802, Journal of the US Patent and Trademark Office, Patent Gazette, issued 16 August 2016.

49   Barrett, R. M., Bramlette, R., and Honea, B., "Aerial Vehicle," US Patent USD 776571 Journal of the US Patent and Trademark Office, Patent Gazette, issued 17 January 2017.

50   Barrett, R. M., Bramlette, R., and Honea, B., "Flat Stock Aerial Vehicles," US Patent 9,601,040 Journal of the US Patent and Trademark Office, Patent Gazette, issued 21 March 2017.

51   Barrett, R. M., "Radar Energy Absorbing Deformable Low Drag Vortex Generator," US Patent 9,677,580B2 Journal of the US Patent and Trademark Office, Patent Gazette, issued 13 June 2017.

52   Barrett, R. M., Barrett, R. P., & Barrett, C. M. (2017). Design and testing of botanical thermotropic actuator mechanisms in thermally adaptive building coverings. Journal of Smart Materials and Structures, 26(9), 12. 17 August 2017 (Refereed, Invited).]

53   Barrett, R. M., "Aerial Vehicles and Methods of Use," US Patent 9,878,257 Journal of the US Patent and Trademark Office, Patent Gazette, issued 30 January 2018.

54.  Barrett, R. M.,  Bramlette, R., and Honea R., "Aerial Vehicle," US Patent D853939 Journal of the US Patent and Trademark Office, Patent Gazette, issued 16 July 2019.

Selected Peer-Reviewed Articles

1. Barrett, R., "Intelligent Rotor Blade Actuation through Directionally Attached Piezoelectric Crystals,” National Runner-Up and Winner of the Southeast Region Robert Lichten Award for the Best Technical Paper at the 46th American Helicopter Society National Conference and Forum, Washington, D.C., May, 1990.

2    Barrett, R., "Actuation Strain Decoupling Through Enhanced Directional Attachment in Plates and Aerodynamic Surfaces," proceedings of the First European Conference on Smart Structures and Materials, Glasgow, Scotland, 12 - 14 May 1992, edited by B. Culshaw, P. T. Gardiner, and A. McDonach, Institute of Physics Publishing, Bristol, UK 1992, pp. 383 - 386.

3    Barrett, R., "Active Composite Torque-Plate Fins for Subsonic Missiles," invited paper presented at the Dynamic Response of Composite Structures conference, New Orleans, LA, August 30 - September 1, 1992.

4    Barrett, R., "Modeling Techniques and Design Principles of a Low Aspect Ratio Active Aeroservoelastic Wing," proceedings of the  SPIE 1993 Symposium on Smart Structures and Materials, Albuquerque, NM, 1 - 4 February 1993, published by the SPIE, Bellingham, WA, Vol. 1917, pp. 107 - 118.

5    Barrett, R., and Farokhi, S., "On the Aerodynamics and Performance of Active Vortex Generators,” proceedings of the AIAA 11th Applied Aerodynamics Conference, Monterey, CA, August 9-11, 1993, AIAA paper 93-3446, published by the American Institute of Aeronautics and Astronautics, Washington, D.C., pp. 376 - 386.

6    Barrett, R., "Design and Manufacturing of Adaptive Composites for Active Flight Control Surfaces,” proceedings of the 2nd International Conference on Composites Engineering, New Orleans, LA, August 21 - 24, 1994.

7    Barrett, R., Gross, R. S., and Brozoski, F., "Missile Flight Control using Active Flexspar Actuators," proceedings of the  SPIE 1995 Symposium on Smart Structures and Materials, San Diego, CA, 26 February - 3 March, 1995, published by the SPIE, Bellingham, WA, Vol. 2443, pp. 52 - 61.

8    Barrett, R., and Gross, R. S., "Super-Active Shape Memory Alloy Composites," proceedings of the  SPIE 1995 Symposium on Smart Structures and Materials, San Diego, CA, 26 February - 3 March, 1995, published by the SPIE, Bellingham, WA, Vol. 2441, pp. 110 - 117.

9    Barrett, R., Brozoski, F., and Gross, R. S., "Design and Testing of Subsonic All-Moving Smart Flight Control Surfaces," proceedings of the 36th Structures, Structural Dynamics and Materials Conference, New Orleans, LA, April 10 - 12, 1995, published by the AIAA, Washington, D.C., pp. 2289 - 2296.

10   Barrett, R., "Aeroservoelastic Characteristics of All-Moving Adaptive Flight Control Surfaces," proceedings of the 10th VPI&SU Symposium on Structural Dynamics and Control, Blacksburg, VA,  May 8 - 10, 1995, published by VPI, Blacksburg, VA. pp. 215 - 224.

11   Barrett, R., "All-Moving Active Aerodynamic Surface Research," proceedings of the Society of Engineering Science 31st Annual Technical Meeting, Texas A&M University, College Station, TX, October 10-12, 1994, published by the Institute of Physics Publishing, Ltd., Techno House, Bristol, UK, Vol. 4, No. 4, June 1995, pp. 65 - 73.

12   Barrett, R. and Brozoski, F., "Adaptive Flight Control Surfaces, Wings, and Active Aerodynamics,” proceedings of the  SPIE 1996 Symposium on Smart Structures and Materials, San Diego, CA, 26 - 29 February, 1996, published by the Society of Photo-Optical Instrumentation Engineers, Bellingham, WA, Vol. 2717, pp. 178 - 198. Featured paper in The Active Sound and Vibration Control News, published by Tech Pubs, Inc. Columbia, MD, Vol. 03, No. 4, April, 1996. 

13   Barrett, R., and Cook, G., “The Solid State Adaptive Rotor, Design, Development and Implications for Future Rotorcraft,” (Invited) proceedings of the NATO/AGARD Flight Vehicle Integration Panel Symposium on Advances in Rotorcraft Technology, Ottawa, Canada, 27 - 30 May 1996.

14   Barrett, R., Frye, P, and Schliesman, M., Design, Development and Testing of a Solid State Adaptive Rotor, invited paper presented at the  Indian Institute of Science, Bangalore, India 11 - 14 December, 1996. Keynote Address delivered at  the Society of Photo-Optical Instrumentation Engineers First Annual Far East and Pacific Rim Conference on Smart Materials and Structures, and Micro-Electromechanical Machines, Bangalore, India, 11 - 14 December 1996.

15   Barrett, R., and Law, D., “Design Fabrication and Testing of a New Twist-Active Wing Design,” proceedings of the 5th Annual Society of Photo-Optical Instrumentation Engineers Symposium on Smart Structures and Materials, San Diego, CA 1 - 5 March 1998.

16   Barrett, R., Frye, P., and Schliesman, M., “Design, Development and Testing of a Solid State Adaptive Rotorcraft,” proceedings of the 4th Annual Society of Photo-Optical Instrumentation Engineers Symposium on Smart Structures and Materials, San Diego, CA 3 - 6 March 1997 SPIE paper no. 3041-19, pp. 231 - 242.

17   Barrett, R., and Stutts, J., “Modeling, Design and Testing of a Barrel-Launched Adaptive Munition,” proceedings of the 4th Annual Society of Photo-Optical Instrumentation Engineers Symposium on Smart Structures and Materials, San Diego, CA 3 - 6 March 1997, SPIE paper no. 3041 - 49, pp. 578 - 589.

18   Stutts, J., and Barrett, R., “Development and Experimental Validation of a Barrel-Launched Adaptive Munition,” proceedings of the 39th Structures, Structural Dynamics and Materials Conference 20 - 23 April 1998, Long Beach, CA, published by the American Institute of Aeronautics and Astronautics, Washington, D.C. 1998, paper no. AIAA-98-2037.

19   Barrett, R., and Stutts, J., “Development of a Piezoceramic Flight Control Surface Actuator for Highly Compressed Munitions,” proceedings of the 39th Structures, Structural Dynamics and Materials Conference 20 - 23 April 1998, Long Beach, CA, published by the American Institute of Aeronautics and Astronautics, Washington, D.C. 1998, paper no. AIAA-98-2033.

20   Clement, J., Brei, D., Moskalik, A., and Barrett, R., “Bench-Top Performance Characterization of a C-Block Driven Active Flap System,” proceedings of the 39th Structures, Structural Dynamics and Materials Conference 20 - 23 April 1998, Long Beach, CA, published by the American Institute of Aeronautics and Astronautics, Washington, D.C. 1998, paper no. AIAA-98-2039.

21   Barrett, R., “Recent Advances in Adaptive Aerostructures: Designing for Flight Control,” invited paper, lecture and demonstrations at the 1st European Workshop on Smart Systems, Demonstrators, Concepts and Applications, Harrogate, UK, 6 - 8 July 1998.

22   Barrett, R., and Howard, N., “Adaptive Aerostructures for Subscale Aircraft,” refereed proceedings of the 20th Southeastern Conference on Theoretical and Applied Mechanics,” Pine Mountain, GA, 17 April 2000.

23   Barrett, R. and Lee, G., “Design Criteria, Aircraft Design, Fabrication and Testing of Sub-Canopy and Urban Micro-Aerial Vehicles,” proceedings of the AIAA/AHS International Powered Lift Conference, Alexandria, Virginia, 1 November 2000.

24   Barrett, R., "Recent Advances in Adaptive Aerostructures for UAVs," Keynote Lecture & Proceedings, AeroIndia 2001, Yelahanka Air Force Base, India, 9 February 2001.

25   Barrett, R., Burger, C., and Melian, J. P., “Recent Advances in Uninhabited Aerial Vehicle (UAV) Flight Control with Adaptive Aerostructures,” Proceedings of the 4th European Demonstrators Conference, 10 – 15 December 2001, Edinburgh, Scotland.

26   Barrett, R., “Adaptive Aerostructures – The First Decade of Flight on Uninhabited Aerospace Systems,” proceedings of the Society of Photo-Optical Instrumentation Engineers 11th Annual International Symposium on Smart Structures and Materials, San Diego, California, 2 March 2003.

27   Barrett, R., “Design and Testing of Piezoelectric Flight Control Actuators for Hard-Launch Munitions,” proceedings of the Society of Photo-Optical Instrumentation Engineers 11th Annual International Symposium on Smart Structures and Materials, San Diego, California, 2  March 2003.

28   Knowles, G., R. Barrett and M. Valentino, “Self-Contained High Authority Control of Miniature Flight Control Systems for Area Dominance,” proceedings of the Society of Photo-Optical Instrumentation Engineers 11th Annual International Symposium on Smart Structures and Materials, San Diego, California, 2 March 2003.

29   Barrett, R., “Adaptive Aerostructures: Improving Militarily Enabled, High Performance Subscale UAVs,” proceedings of the 12th AIAA/ASME/AHS Adaptive Structures Conference, Palm Springs, California April 2003.

30   Barrett, R., and Lee, G., "Design and testing of piezoelectric flight control actuators for hard-launch munitions," Presented at the 11th Annual International Symposium on Smart Structures and Materials, San Diego, California, 6 - 10 March, 2004, SPIE Paper 5390-52.

31   Barrett, R., "Adaptive aerostructures: the first decade of flight on uninhabited aerial vehicles," Presented at the 11th Annual International Symposium on Smart Structures and Materials, San Diego, California, 6 - 10 March, 2004, SPIE Paper 5388-19.

32   Barrett, R. and Melkert, J., "UAV Visual Signature Suppression via Adaptive Materials," Presented at the 12th Annual International Symposium on Smart Structures and Materials, San Diego, California, 6 - 10 March, 2005, SPIE Paper 5762-14.

33   Barrett, R., Corpening, J. and Reasonover, C., "Airfoil Drag Elimination and Stall Suppression via Piezoelectric Dynamic Tangential Synthetic Jet Actuators," Presented at the 12th Annual International Symposium on Smart Structures and Materials, San Diego, California, 6 - 10 March, 2005, SPIE Paper 5764-19.

34   Barrett, R., McMurtry, R., Vos, R., Tiso, P. and De Breuker, R., "Post-Buckled Precompressed Elements: A New Class of Flight Control Actuators Enhancing High-Speed Autonomous VTOL MAVs," Presented at the 12th Annual International Symposium on Smart Structures and Materials, San Diego, California, 6 - 10 March, 2005, SPIE Paper 5762-16.

35   Barrett, R., Vos, R., Tiso, P. and De Breuker, R., "Post-Buckled Precompressed (PBP) Actuators: Enhancing VTOL Autonomous High Speed MAVs,"  presented at the 13th Annual AIAA/ASME/AHS Adaptive Structures Conference, 18 - 21 April 2005, Austin, Texas, AIAA Paper no. 2005-2112.

36   Barrett, R., " Lightweight Flight Control, Morphing, Visual Stealth: New Adaptive Technologies Enhancing Micro and Nano Aerial Vehicles," proceedings of the Society of Automotive Engineers AeroTech International Powered Lift (IPLC) Conference and Exhibition, 6 October 2005, Dallas, Texas SAE Paper 05IPLC-40.

37   Barrett, R., “Adaptive Aerostructures: Curriculum Changes Needed to Close the Aerospace Knowledge Gap,” Proceedings of the 44th AIAA Aerospace Sciences Meeting and Exhibition, Reno, Nevada 9 – 12 January 2006, AIAA Paper AIAA-2006-0283. 

38   Vos, R., Barrett, R., Van Tooren, M. and Krakers, L., “Post-Buckled Precompressed (PBP) Piezoelectric Actuators for UAV Flight Control,” Proceedings of the 13th Annual International Symposium on Smart Structures and Materials, San Diego, California, 26 – 29 February 2006, SPIE Paper 6173-14.

39   De Breuker, R., Tiso, P., Vos, R. and Barrett, R., “Nonlinear Semi-Analytical Modeling of Post-Buckled Precompressed (PBP) Piezoelectric Actuators for UAV Flight Control,” Proceedings of the 47th AIAA SDM Conference, Newport, R.I., 1 – 4 May 2006,  AIAA Paper AIAA-2006-1794.

40   Barrett, R., “Adaptive Aerostructures: An Abundance of Continuing Education Options,” American Society of Mechanical Engineers (ASME) and American Institute of Aeronautics and Astronautics (AIAA) Adaptive Structures and Materials Systems Newsletter, Summer, 2006.

40   Barrett, R., “Adaptive Materials: A New Approach to Autopilot Actuators and Flight Control,” Proceedings of the Society of Automotive Engineers (SAE) General Aviation Technology Conference and Exhibition, Wichita, Kansas 29 – 31 August, 2006, SAE Paper no. 06GATC-49.

41   Barrett, R., Vos, R. and De Breuker, R., “Post-Buckled Precompressed (PBP) Subsonic Micro Flight Control Actuators and Surfaces,” Proceedings of the Society of Photo-Optical Instrumentation Engineers 14th Annual International Symposium on Smart Structures and Materials, No. 6525-21, San Diego, CA 19 – 22 March 2007.

41   Barrett, R., "Improvements to Commercial and General Aviation via Adaptive Aerostructures," Proceedings of the 46th American Institute of Aeronautics and Astronautics (AIAA) 7th AIAA Aviation, Technology, Integration and Operations Conference, Belfast, Northern Ireland, paper no: AIAA-2007 - 7873, 18 - 20 September 2007.

42   Barrett, R. and Gluhareff, I., "Gluhareff Pressure Jet Engine: Past, Present and Future Opportunities," Proceedings of the 46th American Institute of Aeronautics and Astronautics (AIAA) Aerospace Sciences Meeting and Exhibit, Reno, Nevada 7 - 10 January 2008, paper no: AIAA-2008-867.

43   Barrett, R. and Vos, R., "Design, Development and Testing of a Transonic Missile Fin Employing PBP/DEAS Actuators," Proceedings of  the Smart Materials and Systems, Industrial and Commercial Applications of Smart Structures Technologies Conference, Vol. 6930, paper no:  SPIE-693011, 31 March 2008.

44   Vos, R. and Barrett, R., "Magnification of Work Output in PBP Class Actuators Using Buckling/Converse Buckling Techniques," Proceedings of the 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, 16th AIAA/ASME/AHS Adaptive Structures Conference, Schamburg, IL 7 - 10 April 2008, paper no: AIAA-2008-1906.

45   Barrett, R., "Hypermaneuverability and Visual Cloaking; New Adaptive Aerostructures Technologies for Uninhabited Aerial Vehicles (UAVs)," Proceedings of the Bristol International Unmanned Air Vehicle Systems (UAVS) Conference, 7 - 9 April 2008, Bristol, UK.

46   Long, R. and Barrett, R., “Testing of a Piezoelectrically Driven Airspike System on a Projectile,” American Society of Mechanical Engineers (ASME), Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Ellicott City, Maryland, 28 – 30 October 2008, SMASIS08-497.

47   Vos, R. and Barrett, R., “Post-Buckled Precompressed Techniques in Adaptive Aerostructures: An Overview,” Best Paper Competition Runner Up in the American Society of Mechanical Engineers (ASME), Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Ellicott City, Maryland, 28 – 30 October 2008, SMASIS08-458.

48   Barrett, R., "Adaptive Materials and Aerostructures: Revolutionizing Aerospace Systems," Plenary Paper presented at Aero India 2009 International Seminar, Aerospace Prospectives and Trends  in Technologies, 9 February 2009.

49   Barrett, R., "Adaptive Materials and Aerostructures: Revolutionizing Aerospace Systems," Keynote Lecture at AeroIndia 2009, Yelahanka Air Force Base, India 12 February 2009.

50   Mark Groen; Michiel Van Schravendijk; Ronald Barrett; Roelof Vos, " Advanced control techniques for post-buckled precompressed (PBP) flight control actuators," Proceedings Vol. 7288, Active and Passive Smart Structures and Integrated Systems, San Diego, California, 12 March 2009.

51   Michiel Van Schravendijk, Mark Groen, Roelof Vos, Ron Barrett, " Closed-Loop Control for High Bandwidth, High Curvature Post-Buckled Precompressed Actuators." 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference 17th AIAA/ASME/AHS Adaptive Structures Conference AIAA-2009-2113, Palm Springs, California, May 4-7, 2009

52   Barrett, R., "Adaptive materials and aerostructures: revolutionizing uninhabited aerospace systems," (Invited Paper) Second International Conference on Smart Materials and Nanotechnology in Engineering, Proceedings Vol. 7493,  Weihai, China, 8 - 11 July 2009.

53   Vos, R. and Barrett, R., "Pressure Adaptive Honeycomb: a New Adaptive Structure for Aerospace Applications," Proceedings Vol. 7647, Active and Passive Smart Structures and Integrated Systems, San Diego, California, 7 - 10 March 2010, paper no. 7647-2B.

53   Sinn, R. and Barrett, R., "Shape Memory Alloy Post Buckled Precompressed (SMAPBP) Actuator Concepts and Theory," Proceedings Vol. 7643, Active and Passive Smart Structures and Integrated Systems, San Diego, California, 7 - 10 March 2010, paper no. 7643-08.

54   Bramlette, R., and Barrett, R., "Semi-Solid State Adaptive Impedance Composites for HIRF Protection," Proceedings Vol. 7643, Active and Passive Smart Structures and Integrated Systems, San Diego, California, March 2010, paper no. 7643-92.

55   Cravens, S., and Barrett, R., "Ultrasonic Piezoelectric Cleaning of Acoustic Vector Sensing Elements," Proceedings Vol. 7643, Active and Passive Smart Structures and Integrated Systems, San Diego, California, 7 - 10 March 2010, paper no. 7643-108.

56   Brennison, M., Barrett, R., and Kerth, L., "Development & Flight Test of a Shape Memory Alloy Actuator Flight Control System," Proceedings Vol. 7643, Active and Passive Smart Structures and Integrated Systems, San Diego, California, 7 - 10 March 2010, paper no. 7643-116.

57   Barrett, R. and Barnhart, R., "Post-Buckled Precompressed Solid State Adaptive Rotor," Proceedings Vol. 7643, Active and Passive Smart Structures and Integrated Systems, San Diego, California, 7 - 10 March 2010, paper no. 7643-74.

58   Vos, R., and Barrett, R., "Pressure Adaptive Honeycomb: Mechanics, Modeling and Experimental Investigation," proceedings of the 18 AIAA/ASME/AHS Adaptive Structures Conference, Orlando, Florida, AIAA-2010-2664, 13 April 2010.

59   Sinn, T. and Barrett, R., Design, Manufacturing and Test of a High Lift Secondary Flight Control Surface with Shape Memory Alloy Post-Buckled Precompressed Actuators, American Society of Mechanical Engineers Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Paper No. SMASIS2010-3681, September 28 - October 1, 2010.

60   Vos, R. and Barrett, R., Applications and Mechanics of Pressure Adaptive Honeycomb, American Society of Mechanical Engineers Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Paper No. SMASIS2010-3634, September 18 - 1 October 2010.

61   Vos, R., Scheepstra, J., and Barrett, R., "Topology Optimization of Pressure Adaptive Honeycomb for a Morphing Flap," Proceedings Volume 7977 , Active and Passive Smart Structures and Integrated Systems, San Diego, California, 8 - 9 March 2011, paper no. 7977-54.

62   Barrett, R., Barnhart, R. and Bramlette, R., "Steerable Adaptive Bullet (StAB) Piezoelectric Flight Control System," Society of Photo-Optical Instrumentation Engineers, Smart Structures and Non-Destructive Evaluation Symposium, Active and Passive Smart Structures and Integrated Systems Conference, 11 - 15 March 2012, San Diego, CA, 8341-32.

63   Vos, R., Scheepstra, J., and Barrett, R., "Topology Design of Pressure Adaptive Honeycomb for a Morphing Fowler Flap," 52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, 19th AIAA/ASME/AHS Adaptive Structures Conference, AIAA-2011-2130-170, Denver, CO 4 - 7 April 2011.

64   Barrett, R., Barnhart, R. and Bramlette, R., "Steerable Adaptive Bullet (StAB) Piezoelectric Flight Control System," Society of Photo-Optical Instrumentation Engineers, Smart Structures and Non-Destructive Evaluation Symposium, Active and Passive Smart Structures and Integrated Systems Conference, 11 - 15 March 2012, San Diego, CA, 8341-32.

64   Barnhart, R., and Barrett, R., "Piezoelectric Adaptive Flutter Test Vane: Low Net Passive Stiffness Techniques for Deflection Amplification," 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, 23 - 26 April 2012, Honolulu, Hawaii, paper no. AIAA 2012-1906.

65   Barrett, R. and Barrett, C., " Biomimetic FAA-Certifiable, Artificial Muscle Structures for Commercial Aircraft Wings," Invited Lecture and Presentation at the 7th World Congress on Biomimetics, Artificial Muscles and Nano-Bio (BAMN2013), Jeju Island, South Korea, 26 - 30 August 2013.

66   Barrett, R., and Barrett C., " Revolutionary Adaptive Aerostructures, Changing Flight via Nature's Analogs for Dramatic Fuel Savings," 1st international Conference and Exhibition on Mechanical and Aerospace Engineering, San Antonio, Texas, 30 September – 2 October 2013.

67   Barrett, R. M., "20 Years of Adaptive Aerostructures in Flying Missiles, Munitions and UAVS," ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems SMASIS 2014, September 8–10, Newport, Rhode Island USA, Paper No. SMASIS2014-7662 (pp. 10). Washington, DC: The American Society for Mechanical Engineers. (Refereed).

68   Barrett, R., "Statistical Time and Market Predictive Engineering Design (STAMPED) Techniques for Preliminary Aircraft Sizing, CEAS2015-206," 5th Annual Challenges in European Airspace Conference (CEAS) Conference, Delft, Holland. (Refereed) 7-11 Sept 2015

69   Barrett, R., "Thermally adaptive building covering field test," Procedia Engineering, 145, 26 - 33. http://ac.els-cdn.com/S1877705816300091/1-s2.0-S1877705816300091-main.pdf?_tid=e789cd8a-7ce5-11e6-a66700000aab0f01&acdnat=1474123935_d84322f1f787b76e922b6e2a2157bc65 ISBN: 978-1-5108-2461-4 (Refereed,  Invited)  18 May 2016

70   Barrett, R., "Thermally Adaptive Adaptive Building Coverings Inspired by Botanical Thermotropism," Proceedings of the ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS) (pp. SMASIS2016-9105). Washington, D.C.: American Society of Mechanical Engineers. http://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?articleid=2589293 September (Refereed) 18 - 20, 2016.

71   Barrett, R., "Thermally Adaptive Building Coverings: Theory and Application," Proceedings of the ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS) (pp. SMASIS2016-9014). Washington, D.C.: American Society of Mechanical Engineers. http://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?articleid=2589286 (Refereed) September 18 - 20, 2016.

72   Bramlette, R., Barrett, R., Depcik C., and Gluhareff, I., "The Effects of Scaling on the Design and Performance of the Brayton-Gluhareff Pressure Jet Engine", 55th AIAA Aerospace Sciences Meeting, AIAA SciTech Forum, (AIAA 2017-0120), 8 - 12 January 2017.

73   Bramlette, R., and Barrett, R., "Design and Flight Testing of a Convertible Quadcopter for Maximum Flight Speed", 55th AIAA Aerospace Sciences Meeting, AIAA SciTech Forum, (AIAA 2017-0243) http://dx.doi.org/10.2514/6.2017-0243 8 - 12 January 2017.

74   Bramlette, R., Depcik C., and Barrett, R., "The Effects of Planar Symmetry and Radiative Heat Losses in a Three-Dimensional Transient CFD Simulation of Right Angle Flow Through a Brayton-Gluhareff Cycle Pressure Jet Engine," 55th AIAA Aerospace Sciences Meeting, AIAA SciTech Forum, (AIAA 2017-1539) 8 - 12 January 2017.

75   Barrett, R., Johnston, T., and Barrett, R., "Design, Construction, and Flight Testing of the World's Fastest Micro-Scale Quadcopter", 55th AIAA Aerospace Sciences Meeting, AIAA SciTech Forum, (AIAA 2017-0012) 8 - 12 January 2017.

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