Table 3 The DH parameters of wrist rehabilitation robot.

From: Design and development of a modular wrist rehabilitation robot with impedance control and gravity compensation

\(\:{i}\)

\(\:{{\alpha\:}}_{{i}-1}\left({d}{e}{g}\right)\)

\(\:{{a}}_{{i}-1}\left({m}{m}\right)\)

\(\:{{d}}_{{i}}\left({m}{m}\right)\)

\(\:{{\theta\:}}_{{i}}\left({d}{e}{g}\right)\)

\(\:1\)

\(\:-90\)

\(\:0\)

\(\:0\)

\(\:-90+{\theta\:}_{1}\)

\(\:2\)

\(\:90\)

\(\:0\)

\(\:0\)

\(\:90+{\theta\:}_{2}\)

\(\:3\)

\(\:90\)

\(\:0\)

\(\:0\)

\(\:180+{\theta\:}_{3}\)

\(\:{E}{E}\)

\(\:0\)

\(\:{a}_{3}\)

\(\:0\)

\(\:0\)