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. 2025 Jul 15;12:1574110. doi: 10.3389/frobt.2025.1574110

TABLE 2.

Parameters of the example constraints of Figure 2.

Figure 2 label Constraint name Constraint frame
DOF Type Geometry
dϕ ϕ Rϕ
dψ ψ Rψ pψ
A Revolute joint 0,1,0 ,ry,
0,0,0 ,, px,,pz
B Prismatic joint 0,0,0 ,,
1,0,0 rx,, ,,
C Cylinder joint 1,0,0 rx,,
1,0,0 rx,, ,py,pz
D Plane-plane contact 0,0,1 ,,rz
1,1,0 ,,rz ,,
E Planar contour following 0,1,0 ,ry,
1,0,0 BB rx,, px,,
F Planar contour rolling 0,1,0 ,ry,
1,0,0 GG rx,, px,,
G Cart on a curved surface 1,1,1 ,,
1,1,0 BB ,,rz px,py,pz
H Contour rolling 1,1,1 ,,
1,0,0 GG rx,, px,py,pz
I Planar pin-plane contact 0,1,0 ,ry,
1,0,0 GB rx,, px,,pz
J Planar plane-pin contact 0,1,0 ,ry,
1,0,0 BG rx,, px,,pz
K Pin-plane contact 1,1,1 ,,
1,1,0 GB ,,rz px,py,pz
L Plane-pin contact 1,1,1 ,,
1,1,0 BG ,,rz px,py,pz

” means that entry is not uniquely defined.