Abstract:

Based on the characteristics during the feed source tracing in FAST（five-hundred-meter aperture spherical telescope）, this paper took a 6-SPT Stewart platform as the feed fine-tuning platform and made a configuration parameter compositive design research, where 3 restrictive factors were taken into account synchronically, including the workspace, dexterity and preventing components from intervening. Upon the above method, this paper attains a set of configuration parameters designed for the fine-tuning platform.

Key words: FAST, fine-tuning platform, workspace, dexterity, configuration parameter

摘要：

采用6-TPS Stewart平台作为500m口径球面射电望远镜馈源的二次精调平台，针对500m口径球面射电望远镜观测时对精调平台设计的特殊要求，基于极限姿态和次最优局部灵巧度，研究了兼顾工作空间、灵巧度以及避免构件间干涉三方面因素的构型参数综合设计方法，给出了一组满足项目要求的构型参数。

关键词: 500m口径球面射电望远镜, 精调平台, 工作空间, 灵巧度, 构型参数