Research Article

A New Decoupling Method for Explicit Stiffness Analysis of Kinematically Redundant Planar Parallel Kinematic Mechanism

Table 5

Detailed conditions and results of verification for case-I of active stiffness decoupling.

Actuating jointsActuating torques NmExternal forces NEnd-effector position m
, , ,

Nonredundant
and
Nonredundant
and
Nonredundant
and
Redundant actuation

Distributed joints’ torques .
End-effector’s position means resultant position when the joint torques and external forces of each case are applied to the PKM, simultaneously.