音圈电机快速反射镜是激光通信精跟踪的执行机构, 其柔性结构与双轴耦合特性会导致系统谐振
模态增多, 模型阶次高等复杂控制问题, 基于递推最小二乘等传统辨识方法建立精确模型是十分 …

摘要四象限探测器存在较大测量噪声, 严重影响快速反射镜(FSM) 的跟踪性能和抗干扰能力.
针对四象限探测器快速反射镜的控制问题, 提出一种改进型自抗扰控制方法 …

In this paper, we propose a new polynomial fitting algorithm to improve the spot position
detection accuracy based on four-Quadrant Detector (4QD) when the circular spot with …

In order to solve the problem of the insufficient range of the traditional fast mirror (FSM)
angle measurement system in practical applications, a 2D large-angle FSM photoelectric …

The quadrant detector (QD) is widely utilized in guidance and tracking applications. We
explore the impact of the QD's dead zone width on tracking precision. We establish a spot …

A T-shaped altitude-azimuth mount is used as a platform for laser communication terminal
equipment, and its pointing accuracy has an important influence on the link establishment …

As one of the key devices in laser communication, the quality of the Fast Steering Mirror's
model plays an important role in the control of the system. We innovatively obtained the …

To further improve the dynamic response and tracking performance of fast steering mirror
under high noise conditions, a control method based on linear extended state observer and …

Both free-space and optical fiber quantum key distribution (QKD) links will coexist in future
quantum networks, requiring efficient coupling between both types of channels. However …

To accurately launch laser, a fast-steering mirror (FSM) with flexure hinge is designed. First,
actuators, angle sensors and flexure hinge were designed or selected respectively …