Abstract
AbstractThis paper studies maneuver estimation of the controllable-structure semiballistic reentry vehicle (SBRV) by the multiple-model approach. Three kinds of small cardinality model sets are developed to match the vehicle’s uncertain maneuvers: the minimum model set from a new rule for three-dimensional maneuvers, its projection in the mode space’s subspace for two-dimensional maneuvers, and their modifications. Based on these model sets, the multiple-model SBRV tracking estimator is designed to track the vehicle. Simulation results on the vehicle’s random maneuvering demonstrate that the credibility, estimation errors, and sensitivity of the estimators based on the newly designed model set have been improved.
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