A LiDAR-Aided Inertial Positioning Approach for a Longwall Shearer in Underground Coal Mining

Table 4

The creep of the longwall face.

Creep	First	Second	Third	Fourth	Fifth
Calculated (m)	−0.172	−0.223	−0.174	−0.224	−0.176
Standard (m)	−0.176	−0.225	−0.175	−0.225	−0.175
Errors (m)	0.004	0.002	0.001	0.001	−0.001