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Three Dimensional Impact Angle Constrained Guidance Law using Sliding Mode Control

Kumar, Shashi Ranjan and Ghose, Debasish (2014) Three Dimensional Impact Angle Constrained Guidance Law using Sliding Mode Control. In: American Control Conference, DEC 04-06, 2014, Portland, OR, pp. 2474-2479.

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In this paper, three dimensional impact angle control guidance laws are proposed for stationary targets. Unlike the usual approach of decoupling the engagement dynamics into two mutually orthogonal 2-dimensional planes, the guidance laws are derived using the coupled dynamics. These guidance laws are designed using principles of conventional as well as nonsingular terminal sliding mode control theory. The guidance law based on nonsingular terminal sliding mode guarantees finite time convergence of interceptor to the desired impact angle. In order to derive the guidance laws, multi-dimension switching surfaces are used. The stability of the system, with selected switching surfaces, is demonstrated using Lyapunov stability theory. Numerical simulation results are presented to validate the proposed guidance law.

Item Type: Conference Proceedings
Series.: Proceedings of the American Control Conference
Publisher: IEEE
Additional Information: Copy right for this article belongs to the American Control Conference, Portland, OR, DEC 04-06, 2014
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 01 Apr 2015 12:15
Last Modified: 01 Apr 2015 12:15
URI: http://eprints.iisc.ac.in/id/eprint/51160

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