一种空间超大型可展开柔性聚光器

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。

A space large-scale deployable compliant concentrator

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.