Analysis of Composite Axis Control and Flyback Compensation Technology Based on Fast Reflector in Common Optical Patch
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摘要: 随着长焦共光路成像组件广泛应用于光电侦察吊舱，长焦共光路光路中快反镜在复合轴稳像等方面的技术开发成为必然的趋势。文章介绍了长焦共光路成像组件的主要组成，基于快反镜实现复合轴控制与回扫补偿控制的策略，其工作时序和关键参数分析计算。开发了基于长焦共光路成像组件的快反镜，一帧图像时间内同时实现二次稳像和回扫补偿的功能。提升了中高空光电侦察吊舱的侦察作用距离、稳像精度和搜索效率。Abstract: Telephoto common optical path imaging components are widely used in photoelectric reconnaissance pods, and the technical development of telephoto common optical path fast mirrors for composite axis image stabilization has become an inevitable trend. This study introduced the main components of telephoto common optical path imaging components. We realized the composite axis control and flyback compensation control strategy based on a fast mirror and analyzed and calculated its working timing and key parameters. We developed a fast mirror based on a telephoto common optical path imaging device, and simultaneously realized secondary image stabilization and flyback compensation within one frame of the image. We improved the reconnaissance range, image stabilization accuracy, and the search effect of medium- and high-altitude photoelectric reconnaissance pods.
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图 1 集成共光路成像组件的两轴陀螺稳定平台框图
Figure 1. Block diagram of a two-axis gyro-stabilizedPlatform with integrated common-optical path imaging components
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图 2 快反镜（FSM）在一帧图像时间内同时进行复合轴控制和回扫补偿时序框图
Figure 2. The Fast Mirror(FSM) simultaneously performs composite axis control and flyback compensation timing block diagram in one frame of image time
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图 3 快反镜（FSM）复合轴稳像的基本原理框图
Figure 3. Block diagram of the basic principle of fast mirror (FSM) composite axis stabilization image
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图 4 快反镜（FSM）回扫补偿时序示意图
Figure 4. Schematic diagram of the fast mirror(FSM)flyback compensation timing
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图 5 共光路成像组件坐标系简化图
Figure 5. Simplified coordinate system of common-optical path imaging component
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图 6 快反镜（FSM）动作机构轴的角度与光电转塔转动角度示意图
Figure 6. The axis of the fast mirror(FSM) action mechanism and the rotation of the photoelectric turret
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图 7 一级和二级稳定精度测试值示意图
Figure 7. Schematic diagram of the test values of primary and secondary stability accuracy
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1. 朱强，周维虎，陈晓梅，石俊凯，李冠楠. 高速实时近红外弱信号检测系统. 光学精密工程. 2022(24): 3116-3127 . 
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