基于数字仿真的星载可见光探测器可靠性研究

Study on Reliability of Space-borne Visible Light Detector Based on Digital Simulation

为研究羽流对航天器的影响,需要利用星载可见光探测器实现对可见光谱段的在轨实时监测。其中,关键在于星载可见光探测器的光学性能和力学特性。本文在数字仿真的基础上,通过对光学系统的透过率、光路、温度、成像质量等要素开展光学设计与分析仿真,并通过有限元力学模型开展模态与振动分析,对星载可见光探测器的光学性能和力学性能开展评估,验证了设计合理性。

In order to study the influence of plumes on a spacecraft, it is necessary to use space-borne visible light detectors to realize inorbit real-time monitoring of visible spectrum segments. The key point lies in the optical properties and mechanical properties of space borne visible light detector. In this paper, on the basis of digital simulation, through designing and analysis and simulation of elements such as the transmittance, light path, temperature, the imaging quality of the optical system, and through the finite element method model to conduct modal and vibration analysis, the optical properties and mechanics performance of the space-borne optical detector are evaluated, and the rationality of design is proved.