Abstract
AbstractThe effect of a manipulator inertial parameter errors on the manipulator system performance are studied. First, the relationships between the tracking error of the manipulator joint variables and the manipulator inertial parameter errors are derived. Then, using these relationships, the maximum steady state position, velocity, and acceleration errors of the joint variables are determined. The derived relationships allow us to acquire a desired steady state performance for joint variations either by increasing the control gains in the feedback control loops and/or by reducing the manipulator inertial parameter errors. These two problems are, also, addressed in this paper. The computational results of the maximum steady state position, velocity, and acceleration errors of the joints for a PUMA 560 arm are included.
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