| The Effectiveness Analysis Due to the Use of Lagrange Equation and the Optimization Technology for Design of the Support Structure of the Optical Mirror System |
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Hak In Gimm, Byoung Uk Nam, Gwang Tae Kim, Byung Un Kim |
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The 5th Research and Development Institute, Agency for Defense Development |
| 광학거울 시스템의 지지구조 설계를 위한 라그랑지 방정식과 최적화 기법 적용에 의한 효과분석 |
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김학인, 남병욱, 김광태, 김병운 |
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국방과학연구소 제5기술연구본부 |
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| Abstract |
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The support structure of an optical mirror system is the one of the important design elements because the one affects the optical aberrations of the mirror surface. In this paper, Lagrange equation of the moving body of the fast steering mirror system(FSM) has been formulated to use with optimization design. Major goals for optimization are to assign the reasonably flexible stiffness to the structure and to enhance the first natural frequency of the mirror and support system in aid of more affordable control bandwidth for the FSM. Pursuing these purposes with the proposed method, the finite element analysis(FEA), optimization technique and the Zernike polynomial estimation are used for the design effects. It is concluded that the proposed approach for design well guides toward the desired design goals with regards to both structural and optical performances. |
| Key Words:
Lagrange Equation, Mirror Surface Errors, Mirror Support Structure, Optimization, Stiffness Design |
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