Three-channel polarization imaging systems and system error correction method
- Youer Ji, Guohua Gao, Lianfa Bai, Weixian Qian
- Acta Photonica Sinica,
This paper integrates the mechanical image stabilization into the polarization information acquisition device. On the basis of analyzing the structure of gyro stabilization platform which is used to gain polarization information and the inertial stabilization isolation theory, the factors that affect the precision of gyro stabilization platform are researched. Furthermore, the modeling and simulation of the stabilization control circuit are made. In view of the shortcomings of the classical PID control algorithm, an algorithm is put up with based on the variable parameters PID control and fuzzy PID control. The simulation results demonstrate that the improved algorithm overcomes the shortcomings of classical PID algorithm and effectively solves the problem of information blurring caused by the sight jitter in polarization information acquisition. The steady state precision and response speed have been greatly improved. Copyright © 2014 IFSA Publishing, S. L.