一种可变径多模式移动并联机器人的设计与分析
刘玉航,张春燕,田正雨,刘正阳

Design and analysis of a variable-diameter multi-mode mobile parallel robot
Yuhang LIU,Chunyan ZHANG,Zhengyu TIAN,Zhengyang LIU
图8 URU支链螺旋分析
Fig.8 Spiral analysis of URU branch chain