航天返回与遥感
航天返迴與遙感
항천반회여요감
SPACECRAFT RECOVERY & REMOTE SENSING
2014年
3期
28-34
,共7页
申军烽%邓成晨%陶炯鸣%周徐斌%倪涛
申軍烽%鄧成晨%陶炯鳴%週徐斌%倪濤
신군봉%산성신%도형명%주서빈%예도
大口径相机%平台载荷一体化%微振动%振动隔离%能量解耦%空间遥感
大口徑相機%平檯載荷一體化%微振動%振動隔離%能量解耦%空間遙感
대구경상궤%평태재하일체화%미진동%진동격리%능량해우%공간요감
heavy caliber camera%integrated structure of platform and payload%micro-vibration%vibra-tion isolation%energy decoupling%space remote sensing
针对大口径高分辨率相机对卫星平台结构、安装包络、振动环境等方面的要求,提出了一种基于微振动隔离技术的平台载荷一体化设计与分析方法。通过在卫星平台与载荷安装基板之间的一体化结构中增加柔性连接单元,利用系统刚度和能量耦合的原理对一体化结构平台的系统性能进行设计和仿真分析,并在此基础上,开展了平台载荷一体化结构地面模拟试验研究。结果表明:文章提出的基于微振动隔离技术的平台载荷一体化设计在满足载荷安装要求的同时,还能够将卫星平台传递至载荷基板的振动响应衰减80%以上,从而有效地确保载荷的主要性能。
針對大口徑高分辨率相機對衛星平檯結構、安裝包絡、振動環境等方麵的要求,提齣瞭一種基于微振動隔離技術的平檯載荷一體化設計與分析方法。通過在衛星平檯與載荷安裝基闆之間的一體化結構中增加柔性連接單元,利用繫統剛度和能量耦閤的原理對一體化結構平檯的繫統性能進行設計和倣真分析,併在此基礎上,開展瞭平檯載荷一體化結構地麵模擬試驗研究。結果錶明:文章提齣的基于微振動隔離技術的平檯載荷一體化設計在滿足載荷安裝要求的同時,還能夠將衛星平檯傳遞至載荷基闆的振動響應衰減80%以上,從而有效地確保載荷的主要性能。
침대대구경고분변솔상궤대위성평태결구、안장포락、진동배경등방면적요구,제출료일충기우미진동격리기술적평태재하일체화설계여분석방법。통과재위성평태여재하안장기판지간적일체화결구중증가유성련접단원,이용계통강도화능량우합적원리대일체화결구평태적계통성능진행설계화방진분석,병재차기출상,개전료평태재하일체화결구지면모의시험연구。결과표명:문장제출적기우미진동격리기술적평태재하일체화설계재만족재하안장요구적동시,환능구장위성평태전체지재하기판적진동향응쇠감80%이상,종이유효지학보재하적주요성능。
With the development of high resolution satellites, much heavier caliber cameras are used. Those sensitive and heavy caliber cameras require much more space and quiet vibration environment for their installation. In this paper, the author explores an integrated design technique of satellite platform and payload based on micro-vibration isolators. By using of micro-vibration isolators between the platform and the payload and with the principle of stiffness matrix transform and energy decoupling, the design and analysis of the inte-grated structure of the platform and the payload is carried out. Vibration tests for the integrated structure with simulation wheels are made. It is clear that the integrated structure based on micro-vibration isolators is not only satisfactory of the installation requirement, but able to reduce the vibration over 80%. Thus the integrated structure would ensure the camera’s performance.