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Abstract

In this paper, the modelling and simulation of a two-axis tracking system are introduced. First, dynamic modelling of a two-axis tracking system that is based on the Lagrange-Maxwell dynamic equation is presented. According to the established dynamic equation the coupling of system velocity and the inertia characteristics between the two axes are analysed. Then, the controller of the tracking system is designed using the inverse system method. Based on a certain type two-axis tracking system, the simulation is then made with MATLAB/Simulink, which includes position tracking and tracking error analysis. The simulation using Adams and Simulink is also presented. A comparison of the results from the two kinds of simulation indicates that the modelling of the two-axis tracking system is reasonable and the simulation results are rational.

Keywords

electromechanical modelling coupling dynamics inverse system method two-axis tracking system

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Modelling and simulation of a two-axis tracking system

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