Abstract

The structure and the operating principle of a Cartesian positioner are expounded. Based on the principle of multi-body system dynamics, the kinematic model of the Cartesian positioner is established. The deformation of each component is analyzed during the fuselage pose alignment by FEA(finite element analysis) . At last the locating error model is established. The locating error model can contribute to the stiffness distribution of components and the structure optimization of the Cartesian positioner.

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