本文提出的光电伺服系统是一种用于摄影测量仪器中的伺服机构。它能自动连续地确定立体测图仪中投影器之照明器的位置,保证照明之光轴始终对准立体量测台的中心——测标,使发光器的光轴自动对准受光器的中心。于是,量测台与照明器之间起联结作用的机械导杆被“光电空间导杆”所代替。采用此种伺服系统,不论量测台如何运动,照明器的光轴始终直接对准量测台平面的中心。光电伺服系统还可用于光电自动跟踪和光电自动照准的仪器设备中。 The optical servo system proposed in this paper is a servo used in photogrammetry equipment. It automatically and continuously determines the position of the illuminator of the projector in the stereograph so that the optical axis of the illuminator is always aligned with the center of the stereodemetry-scale and the optical axis of the illuminator is automatically aligned with the receiver center. As a result, the mechanical guide between the measuring station and the luminaire, which serves as a coupling, is replaced with a “photoelectric space guide”. With this servo system, the optical axis of the luminaire always aligns directly with the center of the measurement plane, no matter how the measurement stage moves. Photoelectric servo system can also be used for optical automatic tracking and photoelectric automatic camera equipment.