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Intercepting maneuvering target with specified impact angle by modified SDRE technique

Bardhan, Rajarshi and Ghose, Debasish (2012) Intercepting maneuvering target with specified impact angle by modified SDRE technique. In: 2012 American Control Conference, 27-29 June 2012, Montreal, QC.

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A guidance law derived by modifying state dependent Riccati equation technique, to enable the imposition of a predetermined terminal intercept angle to a maneuvering target, is presented in this paper. The interceptor is assumed to have no knowledge about the type of maneuver the target is executing. The problem is cast in a non-cooperative game theoretic form. The guidance law obtained is dependent on the LOS angular rotational rate and on the impact angle error. Theoretical conditions which guarantee existence of solutions under this method have been derived. It is shown that imposing the impact angle constraint calls for an increase in the gains of the guidance law considerably, subsequently requiring a higher maneuverability advantage of the interceptor. The performance of the proposed guidance law is studied using a non-linear two dimensional simulation of the relative kinematics, assuming first order dynamics for the interceptor and target.

Item Type: Conference Paper
Publisher: IEEE
Additional Information: Copyright of this article belongs to IEEE.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 24 Feb 2014 07:57
Last Modified: 24 Feb 2014 07:57
URI: http://eprints.iisc.ac.in/id/eprint/48450

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