Relative position analysis method for linkage metatruss based on 3-bar metatruss was presented in this paper. Non-determinacy and multi-solution of metatruss were solved.

• 以三杆元桁架为基础，提出了适合于多杆全铰链元桁架的相对位置求解方法，解决了元桁架解的不确定性问题，并解决了多杆元桁架相对位置求解中的多解问题。