Watson, A. and Mihaylova, Lyudmila and Vorley, D. (2010) Challenges with bearings only tracking for missile guidance systems and how to cope with them. In: MCM ITP Conference, 2010-10-192010-10-20.
This paper addresses the problem of closed loop missile guidance using bearings and target angular extent information. Comparison is performed between particle filtering methods and derivative free methods. The extent information characterizes target size and we show how this can help compensate for observability problems. We demonstrate that exploiting angular extent information improves filter estimation accuracy. The performance of the filters has been studied over a testing scenario with a static target, with respect to accuracy, sensitivity to perturbations in initial conditions and in different seeker modes (active, passive and semi-active).
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