Figure 2
From: A \({{\varvec{\Phi}}}\) 6-m Tunnel Boring Machine Steel Arch Splicing Manipulator

RRRP single-DOF closed-loop planar mechanism
From: A \({{\varvec{\Phi}}}\) 6-m Tunnel Boring Machine Steel Arch Splicing Manipulator
RRRP single-DOF closed-loop planar mechanism