Coupled helicopter rotor/flexible fuselage aeroelastic model for control of structural response

AIAA journal

Volumn 38, Issue 10, 2000, Pages 1777-1788

  Cribbs, Richard C ^a,b   Friedmann, Peretz P ^a,b   Chiu, Thiem ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b UNIVERSITY OF MICHIGAN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACTUATORS; AERODYNAMICS; FUSELAGES; HINGES; MATHEMATICAL MODELS; VIBRATION CONTROL; WAKES;

ACTIVE CONTROL OF STRUCTURAL RESPONSE (ACSR); FREE WAKE MODELS; HINGLESS ROTORS;

HELICOPTER ROTORS;

EID: 0034298945     PISSN: 00011452     EISSN: None     Source Type: Journal    
DOI: 10.2514/2.838     Document Type: Article

References (38)

1. Crews, S. T., "Rotorcraft Vibration Criteria: A New Perspective," Proceedings of the 43rd Annual Forum of the American Helicopter Society, American Helicopter Society, Alexandria, VA, 1987, pp. 991-998.
2. Aeronautical Design Standard (ADS-27); Requirements for Rotorcraft Vibration Specifications, Modeling, and Testing. U.S. Army Aviation System Command, 1986.
3. Reichert, G., "Helicopter Vibration Control - A Survey," Vertica, Vol. 5, No. 1, 1981, pp. 1-20.
4. Loewy, G. R., "Helicopter Vibrations: A Technological Perspective," Journal of the American Helicopter Society, Vol. 29, No. 4, 1984, pp. 4-30.
5. Kvaternik, R. G., Bartlett, F. D., Jr., and Cline, J. H., "A Summary of Recent NASA/ARMY Contributions to Rotorcraft Vibrations and Structural Dynamics Technology," NASA CP-2495, 1988.
6. Friedmann, P. P., and Millott, T. A., "Vibration Reduction in Rotorcraft Using Active Control: A Comparison of Various Approaches," Journal of Guidance, Control, and Dynamics, Vol. 18, No. 4, 1995, pp. 664-673.
7. King, S. P., and Staple, A. E., "Minimization of Helicopter Vibration Through Active Control of Structural Response," Rotorcraft Design Operations, CP-423, AGARD, Oct. 1986, pp. I4-1-I4-13.
8. Staple, A. E., "An Evaluation of Active Control of Structural Response as a Means of Reducing Helicopter Vibration," Proceedings of the 15th European Rotorcraft Forum, National Aerospace Lab. NLR, Amsterdam, 1989, pp. 3-17.
9. Welsh, W. A., von Hardenberg, P. C., von Hardenberg, P. W., and Staple, A. E., "Test and Evaluation of Fuselage Vibration Utilizing Active Control of Structural Response (ACSR) Optimized to ADS-27," Proceedings of the 46th Annual Forum of the American Helicopter Society, American Helicopter Society, Alexandria, VA, 1990, pp. 21-37.
10. Niwa, Y., and Katayama, N., "Active Vibration Reduction System for a Helicopter," Proceedings of the 20th European Rotorcraft Forum, National Aerospace Lab. NLR, Amsterdam, 1994, pp. 70-01-70-14.
11. Kawaguchi, H., Bandoh, S., and Niwa, Y., "The Test Results for AVR (Active Vibration Reduction) System," Proceedings of the 52nd Annual Forum of the American Helicopter Society, American Helicopter Society, Alexandria, VA, 1996, pp. 123-136.
12. Venkatesan, C., and Friedmann, P., "Aeroelastic Effects in Multi-Rotor Vehicles with Applications to a Heavy-Lift System, Part 1: Formulation of Equations of Motion," NASA CR-3822, Aug. 1984.
13. Venkatesan, C., and Friedmann, P., "Aeroelastic Effects in Multi-Rotor Vehicles, Part 2: Method of Solution and Results Illustrating Coupled Rotor-Fuselage Aeromechanical Stability," NASA CR-4009, Feb. 1987.
14. Papavassiliou, I., Friedmann, P. P., and Venkatesan, C., "Coupled Rotor/Fuselage Vibration Reduction Using Open-Loop Blade Pitch Control," Mathematical Computer Modeling, Vol. 18, No. 3, 1993, pp. 131-156.
15. Vellaichamy, S., and Chopra, I., "Aeroelastic Response of Helicopters with Flexible Fuselage Modeling," Proceedings of the 33rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA, Washington, DC, 1992, pp. 2015-2026.
16. Vellaichamy, S., and Chopra, I., "Effect of Modeling Techniques in the Coupled Rotor-Body Vibration Analysis," Proceedings of the 34th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA, Washington, DC, 1993, pp. 563-575.
17. Yeo, H., and Chopra, I., "Modeling Issues Related to Vibration Prediction of a Coupled Rotor/Fuselage System," Proceedings of the 38th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA, Reston, VA, 1997, pp. 2739-2751.
18. Yeo, H., and Chopra, I., "Effects of Modeling Refinements on Couple Rotor/Fuselage Vibration Analysis," Proceedings of the 54th Annual Forum of the American Helicopter Society, American Helicopter Society, Alexandria, VA, 1998, pp. 489-501.
19. Rosen, A., and Friedmann, P. P., "Nonlinear Equations of Equilibrium for Elastic Helicopter or Wind Turbine Blades Undergoing Moderate Deformation," NASA CR-159478, Dec. 1978.
20. MACSYMA: Reference Manual, Symbolics, Arlington, MA, 1986.
21. Greenberg, J. M., "Airfoil in Sinusoidal Motion in a Pulsating Stream," NACA TN-1326, 1947.
22. Shamie, J., and Friedmann, P. P., "Effect of Moderate Deflections on the Aeroelastic Stability of a Rotor Blade in Forward Flight," Proceedings of the 3rd European Rotorcraft and Powered Lift Aircraft Forum, Association Aeronautique et Astronautique de France, Sept. 1977, pp. 24-1-24-37.
23. Friedmann, P. P., "Rotary-Wing Aeroelasticity with Application Io VTOL Vehicles," Proceedings of the 31st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA, Washington, DC, 1990, pp. 1624-1670.
24. Johnson, W., A Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics, Vol. I: Theory Manual, Johnson Aeronautics, Palo Alto, CA, 1988.
25. Johnson, W., A Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics, Vol. II: User's Manual, Johnson Aeronautics, Palo Alto, CA, 1988.
26. Scully, M. P., "Computation of Helicopter Rotor Wake Geometry and Its Influence on Rotor Harmonic Airloads," Ph.D. Dissertation, Aeroelastic Research Lab., Massachusetts Inst. of Technology, Cambridge, MA, 1975.
27. Johnson, W., "Wake Model for Helicopter Rotors in High Speed Flight," NASA CR-177507, Nov. 1988.
28. Milne, R. D., "Dynamics of the Deformable Aeroplane," Her Majesty's Stationery Office, Reports and Memoranda 3345, Sept. 1962.
29. Waszak, M. R., and Schmidt, D. K., "Right Dynamics of Aeroelastic Vehicles," Journal of Aircraft, Vol. 23, No. 6, June 1988, pp. 563-571.
30. Shames, I. H., and Dym, C. L., Energy and Finite Element Methods in Structural Mechanics, Taylor and Francis, Washington, DC, 1985, pp. 112-143.
31. Surana, K., "Consistent Mass Matrices for Three Dimensional Beam Element Due to Distributed and Lumped Non-Structural Mass Systems Acting on Its Span," Computers and Structures, Vol. 13, 1981, pp. 515-524.
32. Stoppel, J., and Degener, M., "Investigations of Helicopter Structural Dynamics and a Comparison with Ground Vibration Tests," Journal of the American Helicopter Society, Vol. 27, April 1982, pp. 34-42.
33. Zienkiewicz, O. C., The Finite Element Method, 4th ed., Vol. 2, McGraw-Hill, New York, 1991.
34. Millott, T. A., and Friedmann, P. P., "Vibration Reduction in Helicopter Rotors Using an Active Control Surface Located on the Blade," Proceedings of the 33rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA, Washington, DC, 1992, pp. 1975-1988.
35. International Mathematical and Statistical Library, IMSL Library: Reference Manual, Houston, TX, 1980.
36. Chiu, T., and Friedmann, P. P., "A Coupled Helicopter Rotor-Fuselage Aeroelastic Response Model for ACSR," Proceedings of the 36th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA, Washington, DC, 1995, pp. 574-600.
37. Millolt, T. A., and Friedmann, P. P., "Vibration Reduction in Helicopter Rotors Using an Actively Controlled Partial Span Trailing Edge Flap Located on the Blade," NASA CR-4611, June 1994.
38. Chiu, T., and Friedmann, P. P., "ACSR System for Vibration Suppression in Coupled Rotor-Flexible Fuselage Model," Proceedings of the 37th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA, Reston, VA, 1996, pp. 1972-1991.