International Journal of Aeronautical and Space Sciences

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Vibration Measurement and Flutter Suppression Using Patch-type EFPI Sensor System

  • Kim, Do-Hyung (Rotorcraft Department Korea Aerospace Research Institute) ;
  • Han, Jae-Hung (Division of Aerospace Engineering Korea Advanced Institute of Science and Technology) ;
  • Lee, In (Division of Aerospace Engineering Korea Advanced Institute of Science and Technology)
  • Published : 2005.06.30
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Abstract

An optical phase tracking technique for an extrinsic Fabry-Perot interferometer (EFPI) is proposed in order to overcome interferometric non-linearity. Basic idea is utilizing strain-rate information, which cannot be easily obtained from an EFPI sensor itself. The proposed phase tracking system consists of a patch-type EFPI sensor and a simple on-line phase tracking logic. The patch-type EFPI sensor comprises an EFPI and a piezoelectric patch. An EFPI sensor itself has non-linear behavior due to the interferometric characteristics, and a piezoelectric material has hysteresis. However, the composed patch-type EFPI sensor system overcomes the problems that can arise when they are used individually. The dynamic characteristics of the proposed phase tracking system were investigated, and then the patch-type EFPI sensor system was applied to the active suppression of flutter, dynamic aeroelastic instability, of a swept-back composite plate structure. The proposed system has effectively reduced the amplitude of the flutter mode, and increased flutter speed.

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References

  1. Murphy, K. A., Gunther, M. F., Vengsarkar, A. M., and Claus, R. O., 'Quadrature phase-shifted, extrinsic Fabry-Perot optical fiber sensors', Optics Letters, Vol. 16, No. 4, 1991, pp. 273-275 https://doi.org/10.1364/OL.16.000273
  2. Tran, T. A., Greene, J. A., Murphy, K. A., and Bhatia, V., 'EFPI manufacturing improvements for enhanced performance and reliability', Proc. of SPIE 2247, 1995, pp. 312-323
  3. Lo, Y.-L. and Sirkis, J. S., 'Passive Signal Processing of In-Line Fiber Etalon Sensors for High Strain-Rate Loading', Journal of Lightwave Technology, Vol. 15, No.8, 1997, pp. 1578-1586 https://doi.org/10.1109/50.618393
  4. Kim, S.-H., Lee, J.-J., and Kwon, D.-S., 'Signal processing algorithm for transmission-type Fabry-Perot interferometric optical fiber sensor', Smart Materials and Structures, Vol. 10, No. 4, 2001, pp. 736-742 https://doi.org/10.1088/0964-1726/10/4/318
  5. Kwon, I. B., Kim, C. G., and Hong, C. S., 'A digital signal processing algorithm for structural strain measurement by 3x3 passive demodulated fiber optic interferometric sensor', Smart Materials and Structures, Vol. 8, No. 4, 1999, pp. 433-440 https://doi.org/10.1088/0964-1726/8/4/301
  6. Kim, D.-H., Han, J.-H., Yang, S.-M., Kim, D.-H., Lee, I., Kim, C.-G. and Hong, C.-S., 'Optimal Vibration Control of a Plate Using Optical Fiber Sensor and PZT Actuator', Smart Materials and Structures, Vol. 12, No. 4, 2003, pp. 507-513 https://doi.org/10.1088/0964-1726/12/4/301
  7. Kim, D.-H., Han, J.-H., Kim, D.-H., Lee, I., 'Vibration control of structures with interferometric sensor non-linearity', Smart Materials and Structures, Vol. 13, No. 1, 2004, pp. 92-99 https://doi.org/10.1088/0964-1726/13/1/011
  8. Dowell, E. H., Crawley, E. F., Curtiss Jr., H. C., Peters, D. A., Scanlan, R. H., and Sisto F., A Modem Course in Aeroelasticity, 3rd Ed., Kluwer Academic Publishers, Dordrecht, 1995
  9. Waszak, M. R. and Srinathkumar, S., 'Flutter Suppression for the Active Flexible Wing: A Classical Approach', Journal of Aircrcft, Vol. 32, No. 1, 1995, pp. 61-67 https://doi.org/10.2514/3.46684
  10. Waszak, M. R., 1998, 'Modeling the Benchmark Active Control Technology Wind-Tunnel Model for Active Control Design Application', NASA TP-1998-206270, June 1998
  11. Lazarus, K. B., Crawley, E. F. and Lin, C. Y., 'Multivariable Active Lifting Surface Control Using Strain Actuation: Analytical and Experimental Results', Journal of Aircraft, Vol. 34, No. 3, 1997, pp. 313-321 https://doi.org/10.2514/2.2200
  12. Han, J.-H., Tani, J. and Lee, I., 'Flutter Suppression of a Lifting Surface Using Piezoelectric Actuation', Proceedings of The Second Asian-Australasian Conference on Composite Materials, Kyongju, Korea, 2000, pp. 843-848
  13. Heeg, J., 'Analytical and Experimental Investigation of Flutter Suppression by Piezoelectric Actuation', NASA TP-3241, February 1993
  14. Sumali, H., Meissner, K., and Cudney, H. H., 'A piezoelectric array for sensing vibration modal coordinates', Sensors and Actuators A, Vol. 93, No. 2, 2001, pp. 123-131 https://doi.org/10.1016/S0924-4247(01)00644-6
  15. Bae, J.-S., Yang, S.-M., and Lee, I., 'Linear and Nonlinear Aeroelastic Analysis of Fighter-Type Wing with Control Surface', Journal of Aircraft, Vol. 39, No. 4, 2002, pp. 697-708 https://doi.org/10.2514/2.2984
  16. Rodden, W. P., and Johnson, E. H., MSC/NASTRAN Version 68 Aeroelastic Analysis User's Guide, MacNeal-Schwendler, Los Angeles, 1994