A New Guidance Algorithm Against High-Speed Maneuvering Target

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This paper aims to propose a new guidance algorithm for intercepting a high-speed maneuvering target, such as a tactical ballistic missile that flies in a quasi-ballistic trajectory. The motivation of this study lies in the fact that the classical proportional navigation guidance (PNG) undergoes the performance degradation under the above engagement scenario due to its intrinsic property. To deal with the issue, an accurate collision course that reflects the motion characteristics of the ballistic target and missile is first analyzed. The desired look angle that leads to achieving the accurate collision course is then determined with the help of a novel time-to-go calculation method. Finally, the proposed guidance law providing the desired look angle is obtained by leveraging the concept of the biased PNG. Since the proposed method is designed to achieve an accurate collision course, it does not lead to unnecessary maneuvering near the target under the engagement scenario. This property is desirable for reserving the operational margin of maneuverability for reacting to unexpected situations during the engagement. It could improve the capturability of the target. Finally, the performance of the proposed method is verified through numerical simulations in a way to compare with the existing methods such as PNG and the augmented PNG (APNG).Author details: Kindly check and confirm whether the corresponding author is correctly identified.The corresponding author is correctly identified.Please check and confirm that the authors and their respective affiliations have been correctly identified and amend if necessary. First, Third, Fourth author's affiliations are the same. Affiliation 1 and Affiliation 3 are the same, thus Affiliation 3 is unnecessary.
Publisher
SPRINGER
Issue Date
2021-10
Language
English
Article Type
Article
Citation

INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES, v.22, no.5, pp.1170 - 1182

ISSN
2093-274X
DOI
10.1007/s42405-020-00347-7
URI
http://hdl.handle.net/10203/288031
Appears in Collection
AE-Journal Papers(저널논문)
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