Table 4 Kinematics parameter values of joint clearance.
From: Motion error analysis of a shield machine tool-changing robot based on a screw-vector method
Parameter | Mean value | Standard deviation |
---|---|---|
\(d_{i}\) | 0Â mm | 0.2Â mm |
\(s_{i}\) | 0Â mm | 0.5Â mm |
\(\omega_{xi}\) | 0Â rad | 0.087Â rad |
\(\omega_{yi}\) | 0Â rad | 0.087Â rad |