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http://dx.doi.org/10.5139/JKSAS.2008.36.3.244

Absolutely Stable Region for Missile Guidance Loop  

Kim, Jong-Ju (국방과학연구소)
Lyou, Joon (충남대학교 전자공학과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.36, no.3, 2008 , pp. 244-249 More about this Journal
Abstract
In this paper, the stable region for missile guidance loop employing an integrated proportional navigation guidance law is derived. The missile guidance loop is formulated as a closed-loop control system consisting of a linear time-invariant feed-forward block and a time-varying feedback gain. By applying the circle criterion to the system, a bound for the time of flight up to which stability can be assured is established as functions of flight time. Less conservative results, as compared to the result by Popov criterion, are obtained.
Keywords
Missile Guidance Loop; Absolute Stability Theory; Frozen System Analysis; Popov Criterion; Circle Criterion;
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