Hover test of a Mach-scale rotor model with active blade tips

Journal of the American Helicopter Society

Volumn 47, Issue 4, 2002, Pages 273-284

  Bernhard, Andreas P F ^a   Chopra, Inderjit ^a  

^a SIKORSKY AIRCRAFT CORPORATION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACTUATORS; ALGORITHMS; BEARINGS (MACHINE PARTS); BENDING (DEFORMATION); LOADS (FORCES); NEURAL NETWORKS; OSCILLATIONS; TORSIONAL STRESS; VIBRATION CONTROL; VIBRATION MEASUREMENT;

ROTOR HARMONICS; SMART ACTIVE BLADE TIP (SABT);

HELICOPTER ROTORS;

EID: 0036802786     PISSN: 00028711     EISSN: None     Source Type: Journal    
DOI: 10.4050/JAHS.47.273     Document Type: Article

References (27)

1. Chopra, I., "Status of Application of Smart Structures Technology to Rotorcraft Systems," Journal of the American Helicopter Society, Vol. 45, (4), October 2000, pp. 228-252.
2. Giurgiutiu, V., "Recent Advances in Smart-Material Rotor Control Actuation," 41st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference and AIAA/ASME/AHS Adaptive structures Forum, April 2000, Paper AIAA-2000-1709.
3. Jacot, D., "Smart Structures for Rotorcraft Control (SSRC)," Society of Photo-Optical Instrumentation Engineers (SPIE)'s 4th Symposium on Smart Structures and Materials, Conference on Industrial and Commercial Applications of Smart Structures Technologies, San Diego, CA, March 1997, edited by J.M. Sater, Vol. 3044, pp. 114-122.
4. Loewy, R., "Recent Developments in Smart Structures with Aeronautical Applications," Smart Materials and Structures, Vol. 6, (5), October 1997, pp. R11-42.
5. Bernhard, A.P., and Chopra, I., "Hover Test of a Mach-Scale Active-Twist Rotor Using Piezo-Induced Bending-Torsion Actuator Beams," Journal of Aircraft, Vol. 39, (4), 2002.
6. Büter, A., Ehlert, U., and Breitbach, E., "Adaptive Rotor Blade for Vibration Reduction," 9th ARO International Conference on Aeroelasticity of Rotorcraft Systems, Ann Arbor, MI, October 2001.
7. Chen, P.C., and Chopra, I., "Wind Tunnel Test of a Smart Rotor Model with Individual Blade Twist Control," Journal of Intelligent Material Systems and Structures, Vol. 8, (5), May 1997, pp. 414-425.
8. Derham, R., Weems, D., Mathew, M.B., and Bussom, R., "The Design Evolution of an Active Materials Rotor," 57th Annual Forum of the American Helicopter Society Proceedings, Washington, DC, May 2001.
9. Rodgers, J.P., and Hagood, N.W., "Preliminary Mach-Scale Hover Testing of an Integral Twist-Actuated Rotor Blade," Society of Photo-Optical Instrumentation Engineers (SPIE)'s 5th Symposium on Smart Structures and Materials, Conference on Smart Structures and Integrated Systems, San Diego, CA, March 1998, edited by M.E. Regelbrugge, Vol. 3329, pp. 291-308.
10. Wilbur, M.L., Mirick, P.H., Yeager, W.T., Langston, C.W., Cesnik, C.E., and Shin, S., "Vibratory Loads Reduction Testing of the NASA/ARMY/MIT Active Twist Rotor," 57th Annual Forum of the American Helicopter Society Proceedings, Washington, DC, May 2001.
11. Bernhard, A.P., O'Neill, J., Kohlhepp, F., Welsh, W.A., and Lorber, P., "Active Rotor Control (ARC) of a Mach-Scale Trailing Edge Flap Rotor," 57th Annual Forum of the American Helicopter Society Proceedings, Washington, DC, May 2001.
12. Domzalski, D., "Application of Smart Structures Technology to Stability Augmentation and Vibration Reduction in Rotorcraft," 9th ARO International Conference on Aeroelasticity of Rotorcraft Systems, Ann Arbor, MI, October 2001.
13. Fink, D.A., Hawkey, T.J., and Gaudreau, M.P., "An Electromagnetic Actuator for Individual Blade Control," 56th Annual Forum of the American Helicopter Society Proceedings, Virginia Beach, VA, May 2000.
14. Fulton, M., and Ormiston, R.A., "Small-Scale Rotor Experiments with On-Blade Elevons to Reduce Blade Vibratory Loads in Forward Flight," 54th Annual Forum of the American Helicopter Society Proceedings, Washington, DC, May 1998.
15. Hasegawa, Y., Hatayama, N., Kobiki, N., and Nakasto, E., "Experimental and Analytic Results of Whirl Tower Test of ATIC Full Scale Rotor System," 57th Annual Forum of the American Helicopter Society Proceedings, Washington, DC, May 2001.
16. Jänker, P., "Smart Structures at EADS Corporate Research Center," 12th International Conference on Adaptive Structures and Technologies (ICAST), College Park, MD, October 2001.
17. Koratkar, N.A., and Chopra, I., "Closed-Loop, Wind Tunnel Testing of a Mach-Scaled Active Rotor System," Journal of the American Helicopter Society, Vol. 47, (3), October 2002.
18. Prechtl, E.F., and Hall, S.R., "Closed-Loop Vibration Control Experiments on a Rotor with Blade Mounted Actuation," 41st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference and AIAA/ASME/AHS Adaptive Structures Forum, Atlanta, GA, April 2000, Paper AIAA-2000-1714.
19. Straub, F., "Development of an Active Flap Rotor," 9th ARO International Conference on Aeroelasticity of Rotorcraft Systems, Ann Arbor, MI, October 2001.
20. Bernhard, A.P., and Chopra, I., "Hover Testing of Active Rotor Blade-Tips Using a Piezo-Induced Bending-Torsion Coupled Beam," Journal of Intelligent Material Systems and Structures, Vol. 9, (12), December 1998, pp. 963-974.
21. Bernhard, A.P., and Chopra, I., "A Bending-Torsion Coupled Actuator for a Smart Rotor with Active Blade Tips," Smart Materials and Structures, Vol. 10, (1), February 2001, pp. 35-52.
22. Bernhard, A.P., and Chopra, I., "Trailing Edge Flap Activated by a Piezo-Induced Bending-Torsion Coupled Beam," Journal of the American Helicopter Society, Vol. 44, (1), January 1999, pp. 3-15.1996 AHS, Lichten Award Paper.
23. Bernhard, A.P., "Smart Helicopter Rotor with Active Blade Tips," Ph.D. Thesis, University of Maryland, Aerospace Engineering Department, College Park, MD, February 2000.
24. Centolanza, L.R., Smith, E.C., and Morris, A., "Induced-Shear Piezoelectric Actuators for Rotor Blade Trailing Edge Flaps and Active Tips," 42nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference and AIAA/ASME/AHS Adaptive Structures Forum, Seattle, WA, April 2001, Paper AIAA-2001-1559.
25. Sirohi, J., and Chopra, I., "Investigations on Piezoceramic Actuator Response," Society of Photo-Optical Instrumentation Engineers (SPIE)'s 5th Symposium on Smart Structures and Materials, Conference on Smart Structures and Integrated Systems, San Diego, CA, March 1998, edited by M.E. Regelbrugge, Vol. 3329, pp. 626-646.
26. Spencer, M.G., "Development of a Real Time Adaptive Neural Network Controller for Active Rotorcraft Vibration Reduction," Ph.D. Thesis, University of Maryland, Aerospace Engineering Department, College Park, MD, March 2000.
27. Spencer, M.G., Sanner, R.M., and Chopra, I., "Closed-Loop Hover Test Results with a Neurocontroller on Piezoactuated Smart Rotor Blades," Proceedings of Society of Photo-Optical Instrumentation Engineers (SPIE)'s 7th Symposium on Smart Structures and Materials, Conference on Smart Structures and Integrated Systems, San Diego, CA, March 2000, edited by N.M. Wereley, Vol. 3985, pp. 38-51.