Control of Focal Plane Compensation Device for Image Stabilization of Small Satellite Camera

Title & Authors
Control of Focal Plane Compensation Device for Image Stabilization of Small Satellite Camera
Kang, Myoungsoo; Hwang, Jaihyuk; Bae, Jaesung;

Abstract
In this paper, position control of focal plane compensation device using piezoelectric actuator is conducted. The forcal plane compensation device installed on earth observation satellite camera compensates micro-vibration from reaction wheels. In this study, four experimental models of the open-loop compensation device are derived using MATLAB system identification toolbox in the input range of 0~50Hz. Subsequently, the PID controller for each model is designed and the performance test of each controller is conducted through MATLAB/Simulink. According to frequency response analysis of the closed-loop compensation device system, the PID controller designed for 38~50Hz input range has enough tracking performance for the whole 0~50Hz input range. The maximum output error is about $\small{1{\mu}m}$ for the input range. The simulation results has been verified by the experimental method.
Keywords
Focal Plane Control;Satellite Camera;PZT Actuator;Image Stabilization;
Language
Korean
Cited by
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