함정용 전자장비의 진동 및 충격에 대한 설계검증
Design Verification of Vibration and Shock of Warship Electronic Equipment
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초록
The equipment installed on ships must withstand impact loads. Equipment manufacturers produce prototypes for environmental testing and conduct vibration and impact tests to prove the environmental impact of the equipment. In this study, an elastic mount was selected to verify the structural safety of equipment applied to a warship. A vibration analysis was performed according to the vibration test method of MIL-STD-167-1A, and structural safety was confirmed. For the shock analysis, the impulse of a half sine wave with a duration of 20 ms at an input acceleration of 20 g and structural safety were confirmed. Vibration and impact analyses were performed for preliminary verification. Prototypes were manufactured, and environmental tests were conducted. Environmental testing confirmed no physical or functional damage, indicating that the product can be installed in ships.
Abstract
The equipment installed on ships must withstand impact loads. Equipment manufacturers produce prototypes for environmental testing and conduct vibration and impact tests to prove the environmental impact of the equipment. In this study, an elastic mount was selected to verify the structural safety of equipment applied to a warship. A vibration analysis was performed according to the vibration test method of MIL-STD-167-1A, and structural safety was confirmed. For the shock analysis, the impulse of a half sine wave with a duration of 20 ms at an input acceleration of 20 g and structural safety were confirmed. Vibration and impact analyses were performed for preliminary verification. Prototypes were manufactured, and environmental tests were conducted. Environmental testing confirmed no physical or functional damage, indicating that the product can be installed in ships.
참고문헌 (7)
- Department of Defense Test Method Standard, U. S. A., "Mechanical vibrations of shipboard equipment, MIL-STD-167-1A", ~ (2005)
- Department of Defense Test Method Standard, U.S.A, "Shock Tests, H.I(High-Impact) Shipboard Machinery, Equipment, and Systems, Requirement for, MIL-S-910D", ~ (1989)
- 서유종, "해군 함정용 전자장비 랙의 충격 및 진동 시험 검증 방법", 한국소음진동공학회논문집, 32(6), pp.571~579 (2022), 한국소음진동공학회[DOI]
- Shock Design of Shipboard Equipment, Part 1, Dynamic-design Analysis Method, "Belsheim, R. O.", Naval Research Laboratory, ~, pp.Naval Research Laboratory Report 5545 (1960)
- Jae-Hoon Lee, "Applying CAE to Evaluate Shock Resistance of Equipment Design for Naval Vessel", Journal of the KNST, 1(1), pp.31~36 (2018)
- 문석준, "함정탑재장비용 대용량 마운트의 성능검증시험방안", 한국소음진동공학회논문집, 30(4), pp.406~413 (2020), 한국소음진동공학회[DOI]
- 배승훈, "와이어로프 타입 마운트의 가속도-주파수 의존 동강성 및 감쇠 추정", 한국소음진동공학회논문집, 31(1), pp.57~63 (2021), 한국소음진동공학회[DOI]