Abstract
Inscribed-angle guidance for intercepting moving targets while enforcing an intercept angle is proposed and investigated. A relation between inscribed-angle guidance and parallel navigation is noticed, showing that a collision course can be obtained for a specific constant inscribed angle. The resulting impact angle for the inscribed-angle guidance against moving targets is studied and compared with the stationary target case. Closed-form solutions for the intercept trajectories are obtained based on elliptic integrals for two special cases, where the target moves toward and away from the launch point. Simulation results are presented for various scenarios against nonmaneuvering and constant maneuvering targets.
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