Table 8-1. Inverse kinematics of orthogonal manipulators Class Method Justification 1 00-000. D All six axes are parallel 2 00-001 D Five consecutive parallel axes 3 00-010 D Four consecutive parallel axes 4 00-011 D Four consecutive parallel axes 5 00-100 CF Three consecutive parallel axes 6 00-101 CF Three consecutive parallel axes 7 00-110 CF Three consecutive parallel axes 8 00-111 CF Three consecutive parallel axes 9 01-000 D Four consecutive parallel axes 10 01-001 CF Three consecutive parallel axes 11 01-010 CF -Three pairs of parallel axes 12 01-011 1-D Two pairs of parallel axes 13 01-100 CF Three consecutive parallel axes 14 01-101 2-D 15 01-110 2-D 16 01-111 2-D ..