Mathematical modelling of a helicopter rotor track and balance: Theory

Journal of Sound and Vibration

Volumn 200, Issue 5, 1997, Pages 589-603

  Rosen, A ^a   Ben Ari, R ^a  

^a TECHNION ISRAEL INSTITUTE OF TECHNOLOGY   (Israel)

Author keywords

[No Author keywords available]

Indexed keywords

BALANCING; MATHEMATICAL MODELS; VIBRATION CONTROL;

HELICOPTER ROTOR TRACK MODELING;

HELICOPTER ROTORS;

EID: 0031094566     PISSN: 0022460X     EISSN: None     Source Type: Journal    
DOI: 10.1006/jsvi.1996.0669     Document Type: Article

References (18)

1. R. G. LOEWY 1984 Journal of the American Helicopter Society 29, 4-30. Helicopter vibrations: a technological perspective.
2. P. DONALDSON 1992 Journal of Helicopter World 11, 34-37. Diagnosing rotor vibration.
3. R. GABEL 1977 Design Engineering Technical Conference, American Society of Mechanical Engineering, Applied Mechanics Division 24, 87-111. Vibration in helicopters.
4. R. W. PROUTY 1992 Rotor and Wing International 26, 94-96. Vibration criteria: finding discomfort levels.
5. P. B. NAGY and P. GREGUSS 1982 Journal of Optics and Laser Technology 14, 229-302. Helicopter blade tracking by laser light.
6. R. BEN-ARI and A. ROSEN 1997 Journal of Sound and Vibration 200, 605-620. A mathematical modelling of helicopter track and balance: results.
7. N. SELA and A. ROSEN 1991 Journal of the American Helicopter Society 36, 82-85. On ground resonance of a helicopter with inter-connected blades.
8. M. M. SELA and A. ROSEN 1994 Journal of the American Helicopter Society 39, 75-78. The influence of alternate inter-blade connections on ground resonance.
9. A. ROSEN and A. ISSER 1995 Journal of the American Helicopter Society 40, 17-28 (also in the Proceedings of the American Helicopter Society 50th Annual Forum, Washington, D.C., 11-13 May 1994 1, 409-426). A new model of rotor dynamics during pitch and roll of a hovering helicopter.
10. A. ROSEN and A. ISSER 1995 Journal of the American Helicopter Society 40, 17-28 (also in the Proceedings of the American Helicopter Society 50th Annual Forum, Washington, D.C., 11-13 May 1994 1, 409-426). A new model of rotor dynamics during pitch and roll of a hovering helicopter.
11. A. ROSEN, A. ISSER and M. YOSHPE Proceedings of the Twentieth European Rotorcraft Forum, Amsterdam, The Netherlands, 4-7 October 1994, Paper No. 74. The influence of unsteady aerodynamics and inter-blade aerodynamic coupling on the blades response to harmonic variations of their pitch angles. [Also now published: 1996 The Aeronautical Journal 100, 27-35.]
12. A. ROSEN, A. ISSER and M. YOSHPE Proceedings of the Twentieth European Rotorcraft Forum, Amsterdam, The Netherlands, 4-7 October 1994, Paper No. 74. The influence of unsteady aerodynamics and inter-blade aerodynamic coupling on the blades response to harmonic variations of their pitch angles. [Also now published: 1996 The Aeronautical Journal 100, 27-35.]
13. A. ROSEN and A. ISSER Proceedings of the American Helicopter Society 51st Annual Forum, Fort Worth, TX, 9-11 May 1995. A new unsteady aerodynamic model of the coupled rotor-body dynamics. (Part of this paper has appeared as A. Rosen and A. Isser 1996 Journal of the American Helicopter Society, 41, 208-218. The influence of unsteady aerodynamic effects on the coupled free vibrations of rotor flapping and body pitch and roll in hover.)
14. A. ROSEN and A. ISSER Proceedings of the American Helicopter Society 51st Annual Forum, Fort Worth, TX, 9-11 May 1995. A new unsteady aerodynamic model of the coupled rotor-body dynamics. (Part of this paper has appeared as A. Rosen and A. Isser 1996 Journal of the American Helicopter Society, 41, 208-218. The influence of unsteady aerodynamic effects on the coupled free vibrations of rotor flapping and body pitch and roll in hover.)
15. A. ISSER and A. ROSEN 1995 Journal of the American Helicopter Society 40, 6-16 (also in the Proceedings of the 34th Israel Annual Conference on Aerospace Sciences, 16-17 February 1994, 90-105). A model of the unsteady aerodynamics of a hovering helicopter rotor that includes variations of the wake geometry.
16. A. ISSER and A. ROSEN 1995 Journal of the American Helicopter Society 40, 6-16 (also in the Proceedings of the 34th Israel Annual Conference on Aerospace Sciences, 16-17 February 1994, 90-105). A model of the unsteady aerodynamics of a hovering helicopter rotor that includes variations of the wake geometry.
17. L. C. LAWSON and R. J. HANSON 1974 Solving Least Squares Problems. Englewood Cliffs, NJ: Prentice-Hall.
18. R. J. HANSON 1986 Society for Industrial and Applied Mathematics 7, 826-834. Linear least squares with bounds and linear constraints.