Low-Observable Nonlinear Trajectory Generation for Unmanned Air Vehicles

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Kathy Misovec, Tamer Inanc, Jerry Wohletz, Richard Murray
2003 Conference on Decision and Control (CDC)

This paper explores low observability flight path planning of unmanned air vehicles (UAVs) in the presence of radar detection systems. The probability of detection model of an aircraft near an enemy radar depends on aircraft attitude, range, and configuration. A detection model is coupled with a simplified aircraft dynamics model. The Nonlinear Trajectory Generation (NTG) software package developed at Caltech is used. The NTG algorithm is a gradient descent optimization method that combines three technologies: Bsplines, output space collocation and nonlinear optimization tools. Implementations are formulated with temporal constraints that allow periods of high observability interspersed with periods of low observability. Illustrative examples of optimized routes for low observability are presented.

  • Conference
 Paper: http://www.cds.caltech.edu/~murray/preprints/miwm03-cdc.pdf
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