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      Evaluation of Conceptual Midcourse Guidance Laws for Long-Range Exoatmospheric Interceptors

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          Abstract

          ABSTRACT: This paper presents a comprehensive study on the performance analysis of 8 conceptual guidance laws for exoatmospheric interception of ballistic missiles. The problem is to find the effective thrust direction of interceptor for interception of short-to-super range ballistic missiles. The zero-effort miss and the generalized required velocity concept are utilized for interception of moving targets. By comparison of the 8 conceptual guidance laws, the thrust direction is suggested to be in the direction of generalized velocity-to-begained, or constant velocity-to-be-gained direction, rather than to be in the direction along zero-effort miss, or that of linear optimal solution for long-to-super range interception. Even for short coasting ranges, the generalized velocity-to-be-gained may be utilized because of reasonable computational burden for required velocity rather than the numerical computation for zero-effort miss or linear optimal solution with the same miss distance error. In addition, the fuel consumption of the suggested direction has less sensitivity due to estimation error in intercept time. The guidance law based on constant velocity-to-be-gained direction and the optimal solution are suitable for satellites launch vehicles and space missions.

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          Applied Optimal Control

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            Modern guidance law for high-order autopilot

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              Acceleration of Zero-Revolution Lambert’s Algorithms Using Table-Based Initialization

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                jatm
                Journal of Aerospace Technology and Management
                J. Aerosp. Technol. Manag.
                Departamento de Ciência e Tecnologia Aeroespacial (São José dos Campos, SP, Brazil )
                1984-9648
                2175-9146
                March 2017
                : 9
                : 1
                : 101-115
                Affiliations
                [1] Tehran Tehran orgnameTarbiat Modarres University orgdiv1Faculty of Mechanical Engineering orgdiv2Aerospace Group Iran
                Article
                S2175-91462017000100101
                10.5028/jatm.v9i1.718
                f99dc444-0b6b-4528-9243-fd87c7a0d77f

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 13 August 2016
                : 06 June 2016
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 22, Pages: 15
                Product

                SciELO Brazil


                Exoatmospheric midcourse guidance,Effective thrust direction,Zero-effort miss,Velocity-to-be-gained,Long-range interceptor,Anti-ballistic guidance

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