Wind tunnel testing of a smart rotor with induced-strain actuation of blade twist

AIAA/ASME/AHS Adaptive Structures Forum, 1996

Volumn , Issue , 1996, Pages 76-90

  Chen, Peter C ^a   Chopra, Inderjit ^a  

^a UNIVERSITY OF MARYLAND   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACTUATORS; HELICOPTER ROTORS; PIEZOELECTRIC CERAMICS; WIND TUNNELS;

BEARINGLESS ROTOR; PARTIAL REDUCTION; PIEZOCERAMIC ELEMENTS; ROTATING BALANCES; ROTOR VIBRATIONS; SUPPRESS VIBRATION; VIBRATION SUPPRESSION; WIND-TUNNEL TESTING;

PIEZOELECTRIC ACTUATORS;

EID: 84976555988     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.1996-1273     Document Type: Conference Paper

References (18)

1. Chopra, I. and McCloud, J. C., III, “A Numerical Simulation Study of Open-Loop, Closed Loop and Adaptive Multicyclic Control Systems,” Journal of the American Helicopter Society, Vol. 28, No. 1, Jan. 1983, pp. 311-325.
2. Nguyen, K. and Chopra, I., “Application of Higher Harmonic Control (HHC) to Hingeless Rotor Systems,” Vertica, Vol. 14, No. 14, Oct. 1990, pp. 545-556.
3. Hammond, C. E., “Wind Tunnel Results Showing Rotor Vibratory Loads Reduction Using Higher Harmonic Blade Pitch,” Journal of the American Helicopter Society, Vol. 28, No. 1, Jan. 1983, pp. 10-15.
4. Miao, W., Kottapalli, S. B. R, and Frye, H. M., “Flight Demonstration of Higher Harmonic Control (HHC) on S-76,” Proceedings of the 42nd American Helicopter Society Forum, Washington, DC, June 1986.
5. Straub, F. K., “A Feasibility Study of Using Smart Materials for Rotor Control,” Proceedings of the 49th Annual Forum of the American Helicopter Society, St. Louis, Missouri, May 1993
6. Chopra, I., “Development of a Smart Rotor,” Proceedings of the Nineteenth European Rotorcraft Forum, Cernobbio (Como) Italy, Sept. 14-16, 1993.
7. Spangler, R. L. and Hall S. R., “Piezoelectric Actuators for Helicopter Rotor Control,” Proceedings of the 31st AIAA/ASME/ASCE/AHS Structures, Structural Dynamics and Materials Conference, Adaptive Structures Forum, April 1990.
8. Walz, C. and Chopra, I., “Design and Testing of a Helicopter Rotor Model with Smart Trailing Edge Flaps,” Proceedings of the 35th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics and Materials Conference, Adaptive Structures Forum, April 1994.
9. Ben-Zeev, O. and Chopra, I., “Development of an improved Helicopter Rotor Model with Smart Trailing-Edge Flaps for Vibration Suppression,” Proceedings of SPIE’s North American Conference on Smart Structures and Integrated Systems, San Diego, CA, Feb. 26-March 3, 1995.
10. Bernhard, A. P. P. and Chopra, I., “Development and Hover Testing of a Smart Trailing Edge Flap with a Piezo-Induced Bending-Torsion Coupled Actuator,” Proceedings of the American Helicopter Society National Technical Specialists’ Meeting on Rotorcraft Structures, Williamsburg, VA, Oct. 30-Nov. 2, 1995.
11. Spencer, B. T., “Design and Testing of a Smart Trailing Edge Flap Using Piezoelectric Stacks,” Master of Science Thesis, University of Maryland, College Park, MD, May 1995.
12. Bothwell, M. C., Chandra, R. and Chopra, I., “Torsional Actuation with Extension-Torsion Composite Coupling and a Magnetostrictive Actuator,” To appear in the AIAA Journal, 1996.
13. Chen, P. C. and Chopra, I., “A Feasibility Study to Build a Smart Rotor: Induced-Strain Actuation of Airfoil Twist Using Piezoceramic Crystals,” Proceedings of the SPIE North American Conference on Smart Structures and Materials, Albuquerque, New Mexico, Feb. 1993.
14. Chen, P. C. and Chopra, I., “Induced Strain Actuation of Composite Beams and Rotor Blades with Embedded Piezoceramic Elements,” To appear in the Journal of Intelligent Material Systems and Structures, 1996.
15. Chen, P. C. and Chopra, I., “Hover Test of a Smart Rotor with Induced-Strain Actuation of Blade Twist,” Proceedings of the 36th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics and Materials Conference, Adaptive Structures Forum, New Orleans, LA, April 13-14, 1995.
16. Chen, P. C. and Chopra, I., “Torsion Modeling of a Smart Rotor with Induced-Strain Actuation of Blade Twist,” Proceedings of the American Helicopter Society National Technical Specialists’ Meeting on Rotorcraft Structures, Williamsburg, VA, Oct. 30-Nov. 2, 1995.
17. Morgan Matroc, Inc. Electro Ceramics Division, “Guide to Modern Piezoelectric Ceramics,” Manufacturer’s Product Data Sheet, Morgan Matroc, Inc., Bedford, Ohio, March 1993.
18. Park, C., and Chopra, I., “Modeling Piezoceramic Actuation of Beams in Torsion,” Proceedings of the 35th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics and Materials Conference, Adaptive Structures Forum, Hilton Head, NC, April 18-21, 1994.