光学消像旋的电路控制系统研究

Electric circuit of optical image de-rotation

针对周视光电观瞄系统中机械传动装置实现光学消像旋的情况,分析了传统光学消像旋的利弊。通过简化机械装置,建立了控制对象的数学模型,根据系统实时控制处理的要求,设计了数字控制和模拟控制的混合电路,提高了系统的稳定性和可靠性。运用MATLAB/SIMU-LINK对控制系统的典型情况进行仿真。仿真结果表明,该电路系统都能满足精度和实时性等指标要求。

Based on the optical image de-rotation implemented by the transmission mechanism of a panoramic observation sight,the advantages and weaknesses of traditional optical de-rotation methods were analyzed.By simplifying the mechanism,the mathematical model of the controlled object was established.According to the system requirements of real-time controlling and processing,the digital-analog control hybrid circuits were designed,which improved the stability and reliability of the system.A typical instance of the control system was simulated with MATLAB/SIMULINK,the results show that the electric circuit can meet the requirements of stability and real-time processing.