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中文摘要：
基于对馈源舱姿态由40°增加到60°的设计要求，本文首先将原来的等高塔改成两组不等高塔，这对确保馈源舱60°姿态角的实现起到了关键作用。其次，对舱索支撑系统进行了优化设计。设计参数包括索与馈源舱的连接点坐标、索横截面积、塔高等物理量，约束函数为平衡方程、材料强度及边界条件，目标是使索张力差最小。再者，增加平衡重，且平衡重离舱顶端距离可在整个工作空间内实时改变，这不仅有利于舱姿态角的实现，而且可使索张力差进一步减小。最后，通过大量的数值计算和LT5m实验，结果证明了本文所提模型方法和措施的可行性与有效性。
英文摘要：
Firstly, towers with the same height are divided into two groups with different height, which plays a key role in the assurance of 60° orientation of cabin. Secondly, optimization design of cable-cabin supporting system is carried out based on the requirement of the orientation of cabin increased to 60° from40°. The design parameters include the coordinates of connected points between cables and cab- in, the cross sectional area of the cables, the height of the towers and so on. The constraints are equilib- rium equation, material intensity and bounds of variables. The objective is to minimize cable tension difference. What＇s more, Counterweight is added with the distance changed in time from counterweight to the top of cabin in the work space, which can not only assure cabin of 60° orientation, but also reduce cable tension difference further. Finally, a great amount of numerical simulation and LT5m experiments are accomplished to demonstrate the feasibility and effect of the model and methodology.
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