太阳帆航天器的关键技术

将太阳帆航天器所涉及的关键技术划分为4个方面：总体设计、轨道和姿态动力学与控制、太阳帆材料及其性能、太阳帆折叠与展开。针对每项关键技术，基于对国外长期研究结果进行分析并阐述主要技术特征，梳理国内相关研究进展，包括笔者与合作者的研究成果，分析存在的主要问题。根据上述分析，指出我国发展太阳帆航天器应该重视的若干问题。

Key Technologies of Solar Sail Spacecraft

This article surveys the key technologies of solar sail spacecraft in the following four aspects,the global design, the orbit and altitude controls,the solar sail materials and their properties,and the folding and deployment of solar sails. For each aspect,the article summarizes the major contents and features according to the previous studies abroad and presents the recent advances in China,including the recent studies of the author''s laboratory. Based on the successful achievements and detailed analysis on open problems,the article addresses some important issues,which will receive more attention when China develops solar sail spacecraft.