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http://dx.doi.org/10.5139/JKSAS.2018.46.10.814

Generalized Guidance Law with Control Time Constraint for Exoatmospheric Target Interception  

Park, Bong-Gyun (Agency for Defense Development)
Kim, Tae-Hun (Agency for Defense Development)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.46, no.10, 2018 , pp. 814-822 More about this Journal
Abstract
This paper proposes a guidance law for missiles with control time constraint. Because the proposed guidance law is based on a time-to-go polynomial, it has a generalized form. Also, acceleration of the proposed law converges to zero at the end of the control time, which reduces the sensitivity to the time-to-go estimation error and can increase the flight stability when the separation of the missile appears. A prediction method of the time-to-go is proposed for implementing the proposed law, and the possibility of application to the midcourse and terminal guidance phases is dealt with for exoatmospheric interception. The characteristics and performance of the proposed law are analyzed throughout various simulations.
Keywords
Polynomial Guidance; Zero-Effort-Miss; Midcourse Guidance; Terminal Guidance; Time-to-go;
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