基于最优 REQUEST/CKF组合的航天器姿态确定
Spacecraft Attitude Determination of REQUEST/CKF Integration
Received date: 2014-11-05
Online published: 2025-05-28
肖支才 , 李海君 , 王朕 . 基于最优 REQUEST/CKF组合的航天器姿态确定[J]. 弹箭与制导学报, 2015 , 35(6) : 1 -4,8 . DOI: 10.15892/j.cnki.djzdxb.2015.06.001
According to high-precision requirement for spacecraft attitude determination, an integrated REQUEST/CKF attitude determination method was proposed. This method combines different characteristics of vector observation attitude determination algorithm and CKF algorithm to achieve high-precision attitude determination. The algorithm combines REQUEST and CKF. The quaternion determined by REQUEST is directly used as CKF filter observations, and CKF filter estimates gyro drift so that it can compensate for model error. Simulation results show effectiveness of the method.
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