The HHC algorithm for helicopter vibration reduction revisited

Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference

Volumn 6, Issue , 2004, Pages 4609-4637

  Patt, D ^a   Liu, L ^a   Chandrasekar, J ^a   Bernstein, D S ^a   Friedmann, P P ^a  

^a UNIVERSITY OF MICHIGAN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC WAVES; CONTROL THEORY; FLIGHT DYNAMICS; FUSELAGES; HELICOPTERS; NOISE ABATEMENT; ROTORS; VIBRATION MEASUREMENT;

HARMONIC CONTROL; HIGHER HARMONIC CONTROL (HHC); INDIVIDUAL BLADE CONTROL (IBC); VIBRATION REDUCTION;

ALGORITHMS;

EID: 16244398014     PISSN: 02734508     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2004-1948     Document Type: Conference Paper

References (26)

1. Millott, T. A. and Friedmann, P. P., "Vibration Reduction in Rotorcraft Using Active Control: A Comparison of Various Approaches," Journal of Guidance, Control, and Dynamics, Vol. 18, No. 4, July-August 1995, pp. 664-673.
2. Johnson, W., Self-Tuning Regulators for Multicyclic Control of Helicopter Vibrations. NASA Technical Paper 1996, 1982.
3. McHugh, F. J. and Shaw, J., "Helicopter Vibration Reduction with Higher Harmonic Blade Pitch," Journal of the American Helicopter Society, Vol. 23, No. 4, Oct. 1978, pp. 26-35.
4. Shaw, J. and Albion, N., "Active Control of the Helicopter Rotor for Vibration Reduction," Journal of the American Helicopter Society, Vol. 26, No. 3, July 1981, pp. 32-39.
5. Shaw, J., Albion, N., Hanker, E. J., and Teal, R. S., "Higher Harmonic Control: Wind Tunnel Demonstration of Fully Effective Vibratory Hub Force Suppression," Journal of the American Helicopter Society, Vol. 34, No. 1, Jan. 1989, pp. 14-25.
6. 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.
7. Molusis, J. A., Hammond, C. E., and Cline, J. H., "A Unified Approach to the Optimal Design of Adaptive and Gain Scheduled Controllers to Achieve Minimum Helicopter Rotor Vibration," Journal of the American Helicopter Society, Vol. 28, No. 2, Apr. 1983, pp. 9-18.
8. Molusis, J. A., "The Importance of Nonlinearity on the Higher Harmonic Control of Helicopter Vibration," Proceedings of the 54th Annual Forum of the American Helicopter Society, St. Louis, MO, May 1983, pp. 624-647.
9. Wood, E. R., Powers, R. W., Cline, J. 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, Jan. 1985, pp. 3-20.
10. Straub, F. K. and Byrns, E. V., Application of Higher Harmonic Blade Feathering on the OH-6A Helicopter for Vibration Reduction. NASA CR 4031, Dec. 1986.
11. Polychroniadis, M., "Generalized Higher Harmonic Control, Ten Years of Aerospatiale Experience," Proceedings of the Sixteenth European Rotorcraft Forum, Vol. 2, Glasgow, Scotland, Sept. 1990, pp. III.7.2.1-III.7.2.9.
12. Robinson, L. H. and Friedmann, P. P., "A Study of Fundamental Issues in Higher Harmonic Control Using Aeroelastic Simulation," Journal of the American Helicopter Society, Vol. 36, No. 2, Apr. 1991, pp. 32-43.
13. Nygren, K. P. and Schrage, D. P., "Fixed-Gain Versus Adaptive Higher Harmonic Control Simulation," Journal of the American Helicopter Society, Vol. 34, No. 3, July 1989, pp. 51-58.
14. Jacklin, S. A., Comparison of Five System Identification Algorithms for Rotorcraft Higher Harmonic Control. NASA TP-1998-207687, May 1998.
15. Hall, S. R. and Werely, N. M., "Performance of Higher Harmonic Control Algorithms for Helicopter Vibration Reduction," Journal of Guidance, Control, and Dynamics, Vol. 16, No. 4, Oct. 1993, pp. 193-797.
16. Chen, C.-T., Linear System Theory and Design, Oxford University Press, 1998.
17. Hall, S. R. and Wereley, N. M., "Linear Control Issues in the Higher Harmonic Control of Helicopter Vibrations," Proceedings of the 45th Annual Forum of the American Helicopter Society, Boston, MA, May 1989.
18. Lovera, M., Colaneri, P., Malpica, C., and Celi, R., "Closed-Loop Aeromechanical Stability Analysis of HHC and IBC, with Application to a Hingeless Rotor Helicopter," Proceedings of the 29th European Rotorcraft Forum, Friedrichshafen, Germany, Sept. 2003, pp. 43.1-43.14.
19. Knospe, C. R., Hope, R. W., Tamer, S. M., and Fedigan, S. J., "Robustness of Adaptive Unbalance Control of Rotors with Magnetic Bearings," Journal of Vibration and Control, Vol. 2, 1996, pp. 32-53.
20. 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.
21. Depailler, G. and Friedmann, P. P., "Reductions of Vibrations Due to Dynamic Stall in Helicopters Using an Actively Controlled Flap," Proceedings of the 43rd AIAA/ASME/ASCE/AHS/ACS Structures, Structural Dynamics and Materials Conference, Denver, CO, Apr. 2002.
22. Cribbs, R. and Friedmann, P. P., "Actuator Saturation and Its influence on Vibration Reduction by Actively Controlled Flaps," AIAA Paper No. 2001-1467. Proceedings of the 42nd AIAA/ASME/ASCE/AHS/ACS Structures, Structural Dynamics and Materials Conference, Seattle, WA, Apr. 2001.
23. Hong, J. and Bernstein, D. S., "Bode Integral Constants, Colocation, and Spillover in Active Noise and Vibration Control," IEEE Transactions on Control System Technology, Vol. 6, 1998, pp. 111-120.
24. Depailler, G., "Alleviation of Dynamic Stall Induced Vibrations on Helicopter Rotors Using Actively Controlled Flaps," Ph.D. Dissertation, University of Michigan, Ann Arbor, 2002.
25. Patt, D., Liu, L., and Friedmann, P. P., "Rotorcraft Vibration Reduction and Noise Prediction Using a Unified Aeroelastic Response Simulation," Proceedings of the 59th American Helicopter Society Annual Forum, Phoenix, AZ, May 2003.
26. Astrom, K. J. and Wittenmark, B., Adaptive Control, Addison-Wesley, 1995.