碳纤维复合材料天线反射面低变形优化设计
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摘要
为了保证星载天线的在轨工作,需要严格限制天线的热变形。文章参考国外先进天线设计案例并考虑国内生产工艺,以某卫星抛物天线反射面为研究对象,采用全碳纤维复合材料夹层结构设计新型天线反射面构型。首先,给出天线型面误差的计算过程来反映天线热变形程度;然后,基于正交试验法,对某卫星的天线反射面型面误差值影响因素进行分析;最后,在此基础上分别对蒙皮与芯层完成低热膨胀系数的优化设计。仿真结果显示:文章设计的全碳纤维材料天线夹层结构因热变形而产生的型面误差仅约为原先设计的全铝反射面的1/6,证实了全碳纤维材料天线夹层结构在低变形方面的优势及此优化设计方案的可靠性。
To ensure the work of space-borne antenna,the thermal deformation is restricted.Referring to foreign advanced cases and taking care of domestic existing process technology,the article puts space-borne parabolic antenna reflector as the research object and designs a new reflector,the core and the skin of which are both made of CFRP.Firstly,the profile error is calculated to reflect the degree of thermal deformation.Then,the influence factor of thermal deformation is analyzed based on orthogonal test.Lastly,on the basis of this,the CTE design of the skin and the core is optimized.The simulation results show that the profile error of the CFRP parabolic antenna reflector designed in this paper is 6 times lower than that is designed before and made of aluminum alloy.The advantage of the CFRP sandwich structure antenna reflector and the reliability of optimized scheme designed in this paper can be proved based on the above analysis.
To ensure the work of space-borne antenna,the thermal deformation is restricted.Referring to foreign advanced cases and taking care of domestic existing process technology,the article puts space-borne parabolic antenna reflector as the research object and designs a new reflector,the core and the skin of which are both made of CFRP.Firstly,the profile error is calculated to reflect the degree of thermal deformation.Then,the influence factor of thermal deformation is analyzed based on orthogonal test.Lastly,on the basis of this,the CTE design of the skin and the core is optimized.The simulation results show that the profile error of the CFRP parabolic antenna reflector designed in this paper is 6 times lower than that is designed before and made of aluminum alloy.The advantage of the CFRP sandwich structure antenna reflector and the reliability of optimized scheme designed in this paper can be proved based on the above analysis.
引文
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[12]叶云裳.星载毫米波反射面天线结构[J].空间科学学报,2003,23(5):379-387Ye Yunshang.The structure of millimeter-wave reflector antenna on spacecrafts[J].Chinese Journal of Space,2003,23(5):379-387(in Chinese)
[13]钟天麟,周祝林.碳纤维圆管的扭转剪切模量和弯曲剪切模量对比分析[J].玻璃钢,2001(3):1-6Zhong Tianlin,Zhou Zhulin.Study of tube properties of carbon fiber composites[J].Fiber Reinforced Plastics/Composites,2003(3):1-6(in Chinese)
[14]王从思,段宝岩,仇原鹰.天线表面误差的精确计算方法及电性能分析[J].电波科学学报,2006,21(3):403-409Wang Congsi,Duan Baoyan,Qiu Yuanying.Precise algorithm for surface errors of reflector antennas and analysis of its electrical performance[J].Chinese Journal of Radio Science,2006,21(3):403-409(in Chinese)
[15]马增祥,杨德华,王淑青.基于刚体位移的天线反射面拟合新算法[J].机械工程学报,2010,46(18):29-35Ma Zengxiang,Yang Dehua,Wang Shuqing.Antenna reflector surface fitting algorithm based on rigid body displacement principle[J].Journal of Mechanical Engineering,2010,46(18):29-35(in Chinese)
[16]陈烈民,杨宝宁.复合材料的力学分析[M].北京:中国科学技术出版社,2001:217-222Chen Liemin,Yang Baoning.Mechanical analysis for compositematerials[M].Beijing:China Science and Technology Press,2001:108-109,116(in Chinese)
[2]刘韬.国外静止轨道大口径反射成像技术发展综述[J].航天返回与遥感,2016,37(5):1-9Liu Tao.An overview of development of foreign large aperture reflection imaging technology on geostationary orbit[J].Spacecraft Recovery&Remote Sensing,2016,37(5):1-9(in Chinese)
[3]徐五丹,郭领军,李贺军,等.一种铍合金材料的结构和性能[J].宇航材料工艺,2011,4:80-84Xu Wudan,Guo Lingjun,Li Hejun,et al.Structure and properties of a beryllium alloy[J].Aerospace Material&Technology,2011,4:80-84(in Chinese)
[4]许德美,秦高梧,李峰,等.国内外铍及含铍材料的研究进展[J].中国有色金属学报,2014,24(5):1212-1223Xu Demei,Qin Gaowu,Li Feng,et al.Advances in beryllium and beryllium-containing materials[J].The Chinese Journal of Nonferrous Metals,2014,24(5):1212-1223(in Chinese)
[5]Paul B,Jack D,Sam D,et al.Fabrication and thermooptical properties of the MLS composite primary reflector[J]//Proc.of SPIE,1999,3786:200-205
[6]Shin Utsunomiya,Tomohiro Kamiya,Ryuzo Shimizu,et al.CFRP composite mirrors for space telescopes and their micro dimensional stability[J].Proc.of SPIE,2010,7739:77392M-1-77392M-7
[7]Harbach G,Herren A,Hausner Th,et al.Lightweight stable sandwich mirrors:current achievements in the development[J].Proc.of SPIE,2012,8550:855015-1-855015-7
[8]Michael L,Horst B,Thomas E,et al.Surface accuracy prediction and optimization of a high precision Q/V band reflector[J].American Institute of Aeronautics and Astronautics,2006,2216:1-14
[9]Shiue J,Dod L R,Goodwin F E,et al.Geosynchronous microwave atmospheric sounding radiometer(MASR)feasibility studies,volume 1:management summary,NASA-CR-156804[R].Washington D.C.:NASA,1978
[10]Martin R N,Romeo R C.Light weight optical telescope structures fabricated from CFRP composites[J].Proc.of SPIE,2007,6665:66650A-1-66650A-7
[11]Martin R N,Romeo R C,Barber G,et al.Light weight CFRP spherical mirrors for the LHCb Rich-1detector[J].Proc.of SPIE,2007,6670:66700O-1-66700O-11
[12]叶云裳.星载毫米波反射面天线结构[J].空间科学学报,2003,23(5):379-387Ye Yunshang.The structure of millimeter-wave reflector antenna on spacecrafts[J].Chinese Journal of Space,2003,23(5):379-387(in Chinese)
[13]钟天麟,周祝林.碳纤维圆管的扭转剪切模量和弯曲剪切模量对比分析[J].玻璃钢,2001(3):1-6Zhong Tianlin,Zhou Zhulin.Study of tube properties of carbon fiber composites[J].Fiber Reinforced Plastics/Composites,2003(3):1-6(in Chinese)
[14]王从思,段宝岩,仇原鹰.天线表面误差的精确计算方法及电性能分析[J].电波科学学报,2006,21(3):403-409Wang Congsi,Duan Baoyan,Qiu Yuanying.Precise algorithm for surface errors of reflector antennas and analysis of its electrical performance[J].Chinese Journal of Radio Science,2006,21(3):403-409(in Chinese)
[15]马增祥,杨德华,王淑青.基于刚体位移的天线反射面拟合新算法[J].机械工程学报,2010,46(18):29-35Ma Zengxiang,Yang Dehua,Wang Shuqing.Antenna reflector surface fitting algorithm based on rigid body displacement principle[J].Journal of Mechanical Engineering,2010,46(18):29-35(in Chinese)
[16]陈烈民,杨宝宁.复合材料的力学分析[M].北京:中国科学技术出版社,2001:217-222Chen Liemin,Yang Baoning.Mechanical analysis for compositematerials[M].Beijing:China Science and Technology Press,2001:108-109,116(in Chinese)
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