Table 1 6-DOF UR5e DH and inertial parameters (units: m, rad; CoM relative to frame i).

From: Invertible liquid neural network-based learning of inverse kinematics and dynamics for robotic manipulators

Kinematics

\(\theta\) [rad]

d [m]

a [m]

\(\alpha\) [rad]

Dynamics

Mass [kg]

Center of Mass [m]

Joint1

\(\theta _{1}\)

0.089159

0

\(\pi /2\)

Link1

3.7

[0, − 0.02561, 0.00193]

Joint2

\(\theta _{2}\)

0

− 0.425

0

Link2

8.393

[0.2125, 0, 0.11336]

Joint3

\(\theta _{3}\)

0

− 0.39225

0

Link3

2.33

[0.11993, 0, 0.0265]

Joint4

\(\theta _{4}\)

0.10915

0

\(\pi /2\)

Link4

1.219

[0, − 0.0018, 0.01634]

Joint5

\(\theta _{5}\)

0.09465

0

\(-\pi /2\)

Link5

1.219

[0, 0.0018, 0.01634]

Joint6

\(\theta _{6}\)

0.0823

0

0

Link6

0.1879

[0, 0, − 0.001159]