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Tip-tilt Simulation of a 3-DOF Secondary Mirror of Giant Magellan Telescope
Zhe Yang(양철),Jeongsam Yang(양정삼) (사)한국CDE학회 2012 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2012 No.2
The object of this study is a 3-DOF secondary mirror of Giant Magellan Telescope, which is a 3-DOF parallel manipulator. In order to analyze the kinematic characteristics of this mechanism, the forward kinematic equation and inverse kinematic equation are calculated respectively. To verify the performance of the secondary mirror, a series of experiments are carried out, and some relative experimental data about tip-tilt movement is obtained. To observe the tip-tilt movement of 3-DOF secondary mirror using a computer program, instead of conducting real experiment, a dynamic simulation module and a customizable simulation module are developed. Through comparing these two simulation results, the tip-tilt characteristic of 3-DOF secondary mirror can be visualized and supervised obviously, it also lays a solid foundation for kinematic calibration of this mechanism.