The singularity curves are founded on the working surface of the feed . further two schemes to eliminate the singularity are proposed . one of the schemes improves the distribution of the connecting points among the cabin and cables and the other increases redundant cables 发现了馈源工作曲面上的力奇异曲线，提出了修改索耳结构分布和增加下拉悬索两种消除奇异性的有效方案，保证了馈源舱的平稳运行。
