Abstract :
[en] The end-effector trajectory tracking of robotic manipulators
with flexible links requires advanced control concepts.
In order to compute the feedforward component of the control
scheme, the inverse dynamics of such flexible 3D multibody
system is solved using an optimal control method. The robot is
modeled using nonlinear finite elements formulated on the SE(3)
group. Hence singularity and parameterization issues that can
arise from 3D rotations are avoided. A numerical example of a
3D flexible arm is analyzed to demonstrate the capabilities of the
method.
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