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设计了一种基于STK轨道动力学的萤火一号(YH-1)火星探测器姿控仿真平台。介绍了平台的组成和信息交互、STK场景建模及接口设计。平台结合火星环境和探测器轨道特点,利用STK轨道计算功能,实时输出探测器环火轨道参数至动力学计算机,并接收动力学软件产生的探测器姿态信息,以此为基础进行姿控分系统半物理仿真试验及整器闭环试验,在STK动态场景中对探测器各姿控模式进行验证及演示。
A simulation platform of Firefly One (YH-1) Mars probe attitude control based on STK orbital dynamics was designed. Introduced the platform composition and information exchange, STK scene modeling and interface design. Combining with the characteristics of Mars environment and detector orbit, the platform uses the STK orbit calculation function to output the detector’s orbital orbit parameters to the dynamics computer in real time and receive the attitude information of the detector generated by the dynamics software. Based on this, Semi-physical simulation test and closed-loop test of the whole device, and verify and demonstrate the attitude control modes of the detector in the STK dynamic scene.