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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 6, Iss. 8 — Aug. 10, 2008
  • pp: 564–567

Close-range optical measurement of aircraft's 3D attitude and accuracy evaluation

Zhe Li, Zhenliang Ding, and Feng Yuan  »View Author Affiliations

Chinese Optics Letters, Vol. 6, Issue 8, pp. 564-567 (2008)

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A new screen-spot imaging method based on optical measurement is proposed, which is applicable to the close-range measurement of aircraft's three-dimensional (3D) attitude parameters. Laser tracker is used to finish the global calibrations of the high-speed cameras and the fixed screens on test site, as well as to establish media-coordinate-frames among various coordinate systems. The laser cooperation object mounted on the aircraft surface projects laser beams on the screens and the high-speed cameras synchronously record the light-spots' position changing with aircraft attitude. The recorded image sequences are used to compute the aircraft attitude parameters. Based on the matrix analysis, the error sources of the measurement accuracy are analyzed, and the maximum relative error of this mathematical model is estimated. The experimental result shows that this method effectively makes the change of aircraft position distinguishable, and the error of this method is no more than 3' while the rotation angles of three axes are within a certain range.

© 2008 Chinese Optics Letters

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(120.4820) Instrumentation, measurement, and metrology : Optical systems
(140.3460) Lasers and laser optics : Lasers

Zhe Li, Zhenliang Ding, and Feng Yuan, "Close-range optical measurement of aircraft's 3D attitude and accuracy evaluation," Chin. Opt. Lett. 6, 564-567 (2008)

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