Research Article

Decoupled Closed-Form Solution for Humanoid Lower Limb Kinematics

Table 6

Forward walking end-effector coordinates (mm).

Stage Description

0 0 0 185.75 0 0185.75 Bends down
1 0 62 185.75 0 62185.75 Moves to left
2 50 −62 −155.85 Moves the right foot forward
3 50 −62 −185.75 Lands the right foot
4 0 −62 185.75 50 −62 185.75 Moves hips to the right and forward
5 −5062 −155.75 Lifts the left foot from behind
6 5062 −155.75 Moves the lifted left foot forward
7 5062 −185.75 Lands the left foot
8 5062185.75062185.75 Moves hips to the left and forward
9 −50 −62 −155.75 Lifts the right foot from behind
10 50 −62 −155.75 Moves the lifted right foot forward
* Repeat stages 3, 4, and 5
11 062 −155.75 Aligns the left foot
12 062 −185.75 Lands the aligned left foot