Analysis and testing of a Mach-scaled helicopter rotor in hover with piezoelectric bender-actuated trailing-edge flaps

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 3329, Issue , 1998, Pages 266-290

  Koratkar, Nikhil A ^a   Chopra, Inderjit ^a  

^a UNIVERSITY OF MARYLAND   (United States)

Author keywords

Active vibration control; Coupled bender flap elastic rotor analysis; Hover testing; Piezoelectric bender actuation; Smart rotor; Trailing edge flaps

Indexed keywords

AERODYNAMICS; AIR; CONCRETE BRIDGES; CONTROL SYSTEMS; ELECTRIC FIELDS; FRICTION; GAS DYNAMICS; INTEGRATED CONTROL; INTELLIGENT STRUCTURES; MAGNETIC STORAGE; MATERIALS TESTING; MODAL ANALYSIS; PIEZOELECTRIC DEVICES; PIEZOELECTRICITY; POLARIZATION; SPEED; STRUCTURAL DESIGN; TURBOMACHINE BLADES; VIBRATION CONTROL;

ACTIVE VIBRATION CONTROL; COUPLED BENDER-FLAP ELASTIC ROTOR ANALYSIS; HOVER TESTING; PIEZOELECTRIC BENDER ACTUATION; SMART ROTOR; TRAILING-EDGE FLAPS;

HELICOPTER ROTORS;

EID: 6744242697     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.316900     Document Type: Conference Paper

References (25)

1. Nguyen, K., and Chopra, I., "Application of Higher Harmonic Control to Rotors Operating at High Speed and Thrust", Journal of the American Helicopter Society, Vol. 35, No. 3, July 1990, pp. 78-89.
2. Shaw, J., Albion, N., Hanker, E. J., and Teal, R.S,"Higher Harmonic Control : Wind Tunnel Demonstration of Fully Effective Vibratory Hub Forces Suppression", Journal of the American Helicopter Society, Vol. 34., No.1, January 1989, pp 14-25.
3. Wood, E. R., Powers, R. W., Cline, C.H., and Hammond, C.E., "On Developing and Flight Testing a Higher Harmonic Control System", Journal of the American Helicopter Society, Vol 30., No.1, January 1985, pp 3-20.
4. Ham, N.D., "Helicopter-Individual Blade Control Research at MIT 1977-1985 ", Vertica, Vol. 11, No. 1/2,1987, pp. 109-122
5. Jaclin, S. A., Blaas, A., Teves, D. and Kube, R.,"Reduction in Helicopter BVI Noise, Vibration and Power Consumption Through Individual Blade Control", Proceedings of the 51st Annual Forum of the American Helicopter Society, Fort Worth, TX, May 1995.
6. Straub, F.K., "A Feasibility Study of Using Smart Materials for Rotor Control", Journal of Smart Materials and Structures, Vol. 5, No.1, February 1995, pp. 68-75.
7. Chopra, I., "Status of Application of Smart Structures Technology to Rotorcraft Systems", Presented at the Innovation in Rotorcraft Technology, Royal Aeronautical Society, London, June 25-26 1997.
8. Peter C. Chen, and Chopra, I., "Development of a Smart Rotor blade with Induced Strain Actuation of Blade Twist", AIAA Journal, vol. 35, no. 1, January 1997, pp. 6-16
9. Samak, D.K, and Chopra, I., "A Feasibility Study to Build a Smart Rotor: Trailing Edge Flap Actuation", Proc. SPIE North American on Smart Structures and Materials, Albuquerque, NM, February 1993.
10. Walz, C. and Chopra, I., "Design and Testing of a Helicopter Rotor Model with Smart Trailing Edge Flaps", Proceedings of the 35th AIAA Structures, Structural Dynamics and Materials Conference, Adaptive Structures Forum, Hilton Head, S.C., April 1994.
11. Ben-Zeev, O., and Chopra, I., "Development of an improved Rotor Model with Smart Trailing Edge Flaps for Vibration Suppression", Journal of Smart Materials and Structures, Vol. 5, No.1, February 1996, pp. 11-25
12. Bothwell, M.C, Chandra, R. and Chopra, I.,"Torsional actuation with Extention-Torsion Composite Coupling and Magnetostrictive Actuator", AIAA Journal, Vol. 33, No. 4, April 1994, pp. 723-729.
13. Koratkar, N. A., and Chopra, I., "Analysis and Testing of a Froude Scaled Rotor with Piezolectric Bender actuated Trailing-Edge Flaps", presented at the SPIE conference on Smart Structures and Integrated Systems, San Diego, CA, March, 1997.
14. Spangler, R.L., and Hall, S.R., "Piezoelectric Actuators for Helicopter Rotor Control", Proceedings of the 31thAIAA/ASME/ASCE/AHS Strucuress, Struct. Dynamics and Materials Conference, Long Beach, CA, April 1990.
15. Prechtl, E.F., and Hall, S. R.,"Development of a Piezoelectric Servoflap for Helicopter Rotor Control", Journal of Smart Materials and Structures, Vol. 5, No. 1 , February 1996, pp. 26-34
16. Fulton, M.V., and Ormiston, R. A.,"Hover Testing of a Small-Scale Rotor with On-Blade Elevons", Proc. of the 53rd Annual Forum of the American Helicopter Society, Virginia beach, VA, May 1917.
17. Spencer, B.T., and Chopra, I., "Advances in the Development of an Intelligent Helicopter Rotor Employing Smart Trailing-Edge Flaps ", presented at the SPIE conference on Smart Structures and Integrated Systems, San Diego, CA, February, 1996.
18. Chandra, R., and Chopra, I., "Actuation of Trailing-Edge Flap in a Wing Model using a Piezostack Device", Proc. of the 38th Structures, Structural Dynamics and Materials Conference, Adaptive Structures Forum, Kissimmee, FL, April 1997.
19. Lee, T., and Chopra, I., " Development of a Smart Rotor with Piezo-stack Actuation", Proceedings of the 1998 SPIE'S North American Symposium on Smart Structures and Materials, San Diego, CA, March 1998.
20. Bernhard, A., and Chopra, I.,"Development and Hover Testing of a Smart Flap with Piezo-Induced Bending-Torsion Coupled Actuator", Proc. of the 52nd Annual Forum of the American Helicopter Society, Washington D.C., June 1996.
21. Bernhard A., and Chopra, I., "Development of a Smart Moving Blade Tip activated by a Piezo Induced Bending- Torsion Coupled Beam", presented at the SPIE conference on Smart Structures and Integrated Systems, San Diego, CA, February, 1996.
22. Hariharan, N., and Leishman, J. G., "Unsteady Aerodynamics of a Flapped Airfoil in Subsonic Flow by Indicial Concepts", Journal of Aircraft, Vol. 33, No. 5, Sept.-Oct., 1996, pp. 855-868.
23. Morgan Matroc, Inc. Electro Ceramics Division,"Guide to Modern Piezoelectric Ceramics," Manufacturer's Product Data Sheet, Morgan Matroc, Inc. Bedford, Ohio.
24. National Instruments, " LabVIEW for Macintosh - Data Acquisition Reference Manual", August 1993 Edition
25. Sirohi, J., and Chopra, I., "Fundamental Behavior of Piezoceramic Sheet Actuators", Proceedings of the 1998 SPIE'S North American Symposium on Smart Structures and Materials, San Diego, CA, March 1998.