Optimum two-per-revolution inputs for improved rotor performance

Journal of Aircraft

Volumn 42, Issue 6, 2005, Pages 1409-1417

  Cheng, Rendy P ^a,b   Celi, Roberto ^a,b  

^a UNIVERSITY OF MARYLAND   (United States)

^b UNIVERSITY OF MARYLAND   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER SIMULATION; CONSTRAINT THEORY; INTEGRATION; MATHEMATICAL MODELS; OPTIMIZATION; TURBOMACHINE BLADES;

INFLOW MODEL; ROTOR DISKS; ROTOR PERFORMANCE; ROTOR POWER;

ROTORS;

EID: 29544444033     PISSN: 00218669     EISSN: 15333868     Source Type: Journal    
DOI: 10.2514/1.20884     Document Type: Article

References (18)

1. Friedmann, P. P., and Millot, 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.
2. Teves, D., Niesl, G., Blaas, A., and Jacklin, S., "The Role of Active Control in Future Rotorcraft," Proceedings of the Twenty-first European Rotorcraft Forum, St. Petersburg, Russia, 1995, pp. III, 10.1-17.
3. Stewart, W., "Second Harmonic Control in the Helicopter Rotor," Aeronautical Research Council R&M 2997, London, England, U.K., 1952.
4. Payne, P. R., "Higher Harmonic Rotor Control," Aircraft Engineering, Vol. 30, Aug. 1958, p. 354.
5. Arcidiacono, P. J., "Theoretical Performance of Helicopters Having Second and Higher Harmonic Feathering Control," Journal of the American Helicopter Society, Vol. 6, No. 2, 1961, pp. 8-19.
6. Ham, N. D., "Helicopter Individual Blade Control Research at MIT: 1977-1985," Vertica, Vol. 11, Nos. 1 and 2, 1987, pp. 109-122.
7. Ham, N. D., "Helicopter Stall Alleviation Using Individual Blade Control," Proceedings of the Tenth European Rotorcraft Forum, 1984.
8. Shaw, J., Albion, N., Hanker, E. J., Jr., and Teal, R. S.,"Higher Harmonic Control: Wind Tunnel Demonstration of Fully Effective Vibratory Hub Force Suppression," Proceedings of the American Helicopter Society 41st Annual Forum, American Helicopter Society, Alexandria, VA, 1985, pp. 1-16.
9. Nguyen, K. Q., and Chopra, I., "Effects of Higher Harmonic Control on Rotor Performance and Control Loads," Journal of Aircraft, Vol. 29, No. 3, 1992, pp. 336-342.
10. Polychroniadis, M., "Generalized Higher Harmonic Control - Ten Years of Aerospatiale Experience," Proceedings of the Sixteenth European Rotorcraft Forum, 1990.
11. Jacklin, S. A., Nguyen, K. Q., Blass, A., and Richter, P., "Full-Scale Wind Tunnel Test of a Helicopter Individual Blade Control System," Proceedings of the American Helicopter Society 50th Annual Forum, American Helicopter Society, Alexandria, VA, 1994, pp. 579-596.
12. Jacklin, S. A., Blass, A., Swanson, S. M., and Teves, D., "Second Test of a Helicopter Individual Blade Control System in the NASA Ames 40- by 80-foot Wind Tunnel," Proceedings of the American Helicopter Society 2nd International Aeromechanics Specialists' Conference, American Helicopter Society, Alexandria, VA, 1995, pp. 7-9-7-26.
13. Cheng, R. P., Theodore, C. R., and Celi, R., "Effects of Higher Harmonic Control on Rotor Performance," Proceedings of the 56th Annual Forum of the American Helicopter Society, American Helicopter Society, Alexandria, VA, 2000.
14. Kim, F. D., Celi, R., and Tischler, M. B., "High Order State Space Simulation Models of Helicopter Flight Mechanics," Journal of the American Helicopter Society, Vol. 38, No. 2, 1993, pp. 16-27.
15. Kim, F. D., Celi, R., and Tischler, M. B., "Forward Flight Trim Calculation and Frequency Response Validation of a High-Order Helicopter Simulation Model," Journal of Aircraft, Vol. 30, No. 6, 1993, pp. 854-863.
16. Vanderplaats, G. N., Numerical Optimization Techniques for Engineering Design: With Applications, McGraw-Hill, New York, 1984, Chap. 6.
17. Vanderplaats, G. N., DOT - Design Optimization Tools, User's Manual, VMA Engineering, Inc., Goleta, CA, 1995.
18. Bagai, A., Leishman, J. G., and Park, J., "Aerodynamic Analysis of a Helicopter in Steady Maneuvering Flight Using a Free-Vortex Rotor Wake Model," Journal of the American Helicopter Society, Vol. 44, No. 2, 1999.