[1]张红辉,李素.面向立方体卫星的太阳姿态定位传感器设计以及外场测试[J].工业仪表与自动化装置,2019,(04):113-116.[doi:1000-0682(2019)04-0000-00]
　ZHANG Honghui,LI Su.Design and experimental verification of solar attitude positioning sensor for cubesats[J].Industrial Instrumentation & Automation,2019,(04):113-116.[doi:1000-0682(2019)04-0000-00]
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面向立方体卫星的太阳姿态定位传感器设计以及外场测试

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

Title:: Design and experimental verification of solar attitude positioning sensor for cubesats

Author(s):: ZHANG Honghui1; LI Su2; 1.Hengyang Technician University, Hunan Hengyang 421000, China;?
2.Suzhou Huiwen Technology Co., LTD., Jiangsu Suzhou 215000, China

Keywords:: solar positioning sensor; attitude determination; simulation analysis; field test

摘要:: 为了提高卫星姿态定位精度，设计了一种面向立方体卫星的太阳姿态定位传感器。选择模拟式太阳定位传感器，以小孔传感器来组成光学头部，同时利用微控制器对光电池片进行信号处理。选择兼容I2型号芯片作为实验的隔离芯片，为接口配备了低功耗双向隔离器，保证敏感电路的正常工作状态。外场测试得到：定位传感器采集得到的入射角和STK结果之间形成一个固定差值，可以利用后续实验标定的方式来弥补此差值。最大入射角等于40.25°，最小入射角等于39.02°，由此计算得到入射角3σ，能够达到的测量精度是0.05°，实现了稳定测试目标。

Abstract:: In order to improve the accuracy of satellite attitude positioning,a solar attitude positioning sensor for cubesats was designed.An analog solar positioning sensor is selected to form an optical head with a small hole sensor, and a microcontroller is used to process the signal of the photocell.The I2-compatible chip is used as the isolation chip in this experiment,and the interface is equipped with a low power consumption two-way isolator to ensure the normal working state of the sensitive circuit.Field test results: there is a fixed difference between the incident Angle collected by the positioning sensor and STK results,which can be made up by subsequent experimental calibration.Maximum angle of incidence is equal to 40.25°,minimum angle of incidence is equal to 39.02°,the angle of incidence is calculated 3σ, can achieve the measurement accuracy is 0.05°, achieve the stability test.

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