一种空间超大型可展开柔性聚光器

doi:10.7527/S1000-6893.2018.22187

材料工程与机械制造

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一种空间超大型可展开柔性聚光器

李丽芳¹, 郭朋真², 刘荣强³

1. 哈尔滨工业大学大科学工程专项建设指挥部, 哈尔滨 150001;
2. 哈尔滨工业大学航天学院, 哈尔滨 150001;
3. 哈尔滨工业大学机电学院, 哈尔滨 150001

收稿日期:2018-04-10 修回日期:2018-05-28 出版日期:2018-12-30 发布日期:2018-05-28
通讯作者: 郭朋真 E-mail:guopengzhen@hit.edu.cn
基金资助:
装备预研航天科技联合基金（6141B06030202）；国家自然科学基金（51405112）；中国博士后科学基金（2015T80336）

A space large-scale deployable compliant concentrator

LI Lifang¹, GUO Pengzhen², LIU Rongqiang³

1. Laboratory for Space Environment and Physical Science, Harbin Institute of Technology, Harbin 150001, China;
2. School of Astronautics, Harbin Institute of Technology, Harbin 150001, China;
3. School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China

Received:2018-04-10 Revised:2018-05-28 Online:2018-12-30 Published:2018-05-28
Supported by:
Joint Fund of Equipment Pre-research and CAST (6141B06030202); National Natural Science Foundation of China (51405112); China Postdoctoral Science Foundation (2015T80336)

摘要/Abstract

摘要： 面向空间太阳能电站（SSPS）对大口径太阳能聚光器的应用需求，提出一种超大型、轻量化、高精度的空间可展开柔性聚光器的新构型。采取理论建模、计算仿真、优化设计相结合的方法对其抛物面构型原理、展开机构折展原理、展开态结构稳定性、动态聚焦精度等问题进行研究，并完成大口径可展开柔性聚光器的设计。提出了基于多层弹性花瓣镜体复合结构的大口径柔性聚光器优化创新设计方法。由于采用薄板柔索结构，本聚光器具有精度高、展收体积比大、质量轻、在线控制简单等优点，为空间太阳能电站千米级聚光器提供一种创新设计方法。

关键词: 空间太阳能电站SSPS, 超大型, 可展开机构, 柔性聚光器, 优化设计方法

Abstract: We propose a new configuration for the large-scale lightweight high-precision deployable flexible concentrator considering the need for large-aperture concentrators by the Space Solar Power Station (SSPS). By theoretical modeling, computational simulation, and optimized design, we analyze the problems including the principles of the parabolic configuration, unfolding mechanism and stability of the deployable structure, and accuracy of dynamic focusing. We then complete the design for a largescale deployable compliant concentrator. A multi-layer elastic petal mirror composite structure based on the optimization design method is further proposed for the large-aperture compliant concentrator. Due to the use of a thin-plate and cable structure, the concentrator has the advantages of high accuracy, large volume ratio, light weight, and easy online control, providing an innovative design method for kilometer-scale concentrators used in the SSPS.

Key words: Space Solar Power Station (SSPS), large-scale, deployable mechanism, compliant concentrator, optimal design method

中图分类号:

李丽芳, 郭朋真, 刘荣强. 一种空间超大型可展开柔性聚光器[J]. 航空学报, 2018, 39(S1): 722187-722187.

LI Lifang, GUO Pengzhen, LIU Rongqiang. A space large-scale deployable compliant concentrator[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2018, 39(S1): 722187-722187.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

一种空间超大型可展开柔性聚光器

A space large-scale deployable compliant concentrator

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