Instantaneous Wind-Tunnel Model Vibration Measurements Using a Kalman Filtering Approach Academic Article uri icon


  • Experiments in ground-test facilities are required to develop and mature aero-optic platforms. However, structural vibrations of the facility can introduce significant error in optical experiments, making it difficult to separate wind-tunnel dynamics from the aero-optic measurements of interest. As a means of performing this separation, a Kalman filtering scheme, tuned using the autocovariance least-squares method, is implemented to measure the dynamic motion of a generalized aero-optic model geometry. An example is presented for the case of a laser diode mounted on a flexible post undergoing vibration. Using a single three-axis accelerometer, combined with a priori knowledge of the system's structural dynamics, pitch angle fluctuations on the order of 0.01deg were successfully estimated within 0.002deg uncertainty.

published proceedings


author list (cited authors)

  • Long, R. R., White, E. B., Tichenor, N. R., & Kremeyer, K.

citation count

  • 1

complete list of authors

  • Long, Robert R||White, Edward B||Tichenor, Nathan R||Kremeyer, Kevin

publication date

  • July 2017