Research Article

Online Trajectory Tracking Control Based on the Explicit Form of the Equations of Motion for Serial Manipulator Using the New Formulation

Table 1

Notations for the new formulation.

SymbolsDesignations

The i-th body or link
The i-th subsystem
The N-dimensional generalized coordinates.
, The N-dimensional velocities and accelerations vectors of the joints.
, The i-th joint type, is zero if the i-th joint type is a revolute, is one if the i-th joint type is a prismatic.
The i-th joint center.
The centeroid of the link
The position vector of relative to joint center
The i-th joint axis.
The downward unit vector specifying the gravity direction.
The i-th base that is attached to body
The frame attached to body
The mass of body .
The 3 × 3 inertia tensor associated with body defined in
The 3 × 3 pseudoinertia tensor associated with body defined in
IThe 3 × 3 identity matrix
The N-vector of the joint generalized forces.
The rotation matrix of base with respect to base