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논문 기본 정보

자료유형
학술저널
저자정보
JIN-IK LEE (AGENCY FOR DEFENSE DEVELOPMENT)
저널정보
한국산업응용수학회 JOURNAL OF THE KOREAN SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS Journal of the Korean Society for Industrial and Applied Mathematics Vol.19 No.3
발행연도
2015.9
수록면
271 - 287 (17page)

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초록· 키워드

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In this article, a more generalized form of the impact time and angle control guidance law is proposed based on the linear quadratic optimal control methodology. For the purpose on controlling an additional constraint such as the impact time, we introduce an additional state variable that is defined to be the jerk (acceleration rate). Additionally, in order to provide an additional degree of freedom in choosing the guidance gains, the performance index that minimizes the control energy weighted by an arbitrary order of time-to-go is considered in this work. First, the generalized form of the impact angle control guidance law with an additional term which is used for the impact time control is derived. And then, we also determine the additional term in order to achieve the desired impact time. Through numbers of numerical simulations, we investigate the superiority of the proposed guidance law compared to previous guidance laws. In addition, a salvo attack scenario with multiple missile systems is also demonstrated.

목차

ABSTRACT
1. INTRODUCTION
2. CONVENTIONAL IMPACT ANGLE CONTROL LAW
3. GENERALIZED IACG AND ITACG LAWS
4. NUMERICAL SIMULATION
5. CONCLUSION
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