An Optimisation Method for Reconstruction of Flight Path Trajectories from Non-Synchronous Time-Sampled Observations by Two Cine Cameras.

Abstract

Helicopter flight path trajectories in approach to a tactical landing aid were monitored, ad hoc, by two cine cameras. Post-trial trajectory reconstruction using simple triangulation methods was confounded by the presence of an unknown bias error in the orientation of one camera, and by non-synchronous camera timing. This report describes the concept, formulation and implementation of an optimisation method which pools all data for a trajectory, permits extraction of bias terms, and yields a complete trajectory smoothed in space and time. Keywords: Optimization; Least squares; Flight paths; Landing aids. (Australia)

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1984
Accession Number
ADA162054

Entities

People

  • A. J. Ross
  • D. Drumm
  • L. Mockridge

Tags

Communities of Interest

  • Air Platforms
  • Space

DTIC Thesaurus Topics

  • Accuracy
  • Air Force
  • Aircrafts
  • Calibration
  • Cameras
  • Computer Programs
  • Coordinate Systems
  • Curve Fitting
  • Data Analysis
  • Data Sets
  • Department Of Defense
  • Experimental Data
  • Flight Paths
  • Geometry
  • Helicopters
  • Instrumentation
  • Orientation (Direction)

Readers

  • Adaptive Control and Estimation with Uncertainty in Dynamic Systems.
  • Aviation Science / Aeronautics.
  • Geodesy

Technology Areas

  • Space
  • Space - Spacecraft Maneuvers