Research Article

Kinodynamic Trajectory Optimization of Dual-Arm Space Robot for Stabilizing a Tumbling Target

Table 1

Nomenclature.

VariableDescription

The th joints of Arm-k (; , )
The joint angle of the th joint of Arm-k
The unit vector representing the rotation direction of
The CoM of rigid body
The position vectors from to and to , respectively
The position vector from the CoM of to joint
The position vector of , base’s CoM, and space robot’s CoM, respectively
The position vector of and the end-effector of Arm-k, respectively
The joint angle vector of Arm-k;
The linear and angular velocities of
The linear and angular velocities of
The linear and angular velocities of the end-effector of Arm-k
The linear and angular velocities of the target
The masses of , , and the whole system, respectively
The inertia matrices of and in terms of the body CoM frame
, The identity and zero matrices