基于VxWorks的卫星姿态确定系统实验教学  

Experimental teaching of satellite attitude determination system based on VxWorks

作　　者：杨照华[1] 魏列江[2] 冯柏晨 邵辉[3] YANG Zhaohua;WEI Liejiang;FENG Baichen;SHAO Hui(School of Instrumentation Science and Photoelectric Engineering Engineering,Beihang University,Beijing 100191,China;College of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730050,China;Fujian Engineering Research Center of Motor Control and System Optimal Schedule,Huaqiao University,Xiamen 361021,China)

机构地区：[1]北京航空航天大学仪器科学与光电工程学院,北京100191 [2]兰州理工大学能源与动力工程学院,甘肃兰州730050 [3]华侨大学福建省电机控制与系统优化调度工程技术研究中心,福建厦门361021

出　　处：《实验技术与管理》2020年第2期45-49,共5页Experimental Technology and Management

基　　金：国家民用航天项目(D040301);北京航空航天大学教改项目;福建省电机控制与系统优化调度工程技术研究中心开放课题(FERC001).

摘　　要：提出一种基于VxWorks操作系统的仿真机和Matlab RTW的卫星姿态实时确定半物理仿真综合实验系统,用来模拟卫星姿态确定系统的工作模式。利用Matlab建立卫星姿态动力学模型和多种姿态确定算法,在目标仿真机中模拟卫星的姿态动力学特性以及姿态传感器特性,通过与实际的姿态测量部件提取真实的器件误差以及电子学噪声,完成对微纳卫星的姿态确定的计算机仿真与半物理仿真。根据卫星姿态确定的精度结果,评价姿态确定方法的有效性。通过卫星姿态确定的实验教学,引导和发挥学生的主观能动性,培养学生创新能力。This paper puts forward a real-time satellite attitude determination semi physical simulation system based on VxWorks and Matlab RTW,which is used to simulate the working mode of the satellite attitude determination system.With the Matlab to establish the satellite attitude dynamics model and many kinds of attitude determination algorithms,the satellite attitude dynamics characteristics and attitude sensor characteristics are simulated in the target simulator.By extracting the real device error and electronic noise from the actual attitude measurement components,the computer simulation and semi physical simulation of the attitude determination of micro-nano satellite are completed.According to the accuracy results of satellite attitude determination,the effectiveness of attitude determination method is evaluated.Through the experimental teaching of satellite attitude determination,we can guide and give full play to students’subjective initiative and cultivate their innovation ability.

关 键 词：卫星动力学 姿态确定 半物理仿真 实时系统仿真 

分 类 号：G642[文化科学—高等教育学] V448.2-4[文化科学—教育学]