Error analysis of Davenport’s q method

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• 作者：Guobin Changp>ap>p> ; p>p>cp>p> ; p>p>guobinchang@hotmail.comp> ; Tianhe Xup>bp>p> ; p>p>cp>p> ; p>p>thxugfz@163.comp> ; Qianxin Wangp>ap>p> ; p>p>cp>p> ; p>p>wangqianxin8012@163.comp>
• 关键词：Attitude estimation ; Wahba&rsquo ; s problem ; Davenport&rsquo ; s q method ; Error analysis
• 刊名：Automatica
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：75
• 期：Complete
• 页码：217-220
• 全文大小：403 K
• 卷排序：75

文摘

We derived an error analysis of the Davenport’s q method solving a general Wahba’s problem from first principle. The error analysis is direct because it does not use the null attitude simplification, and is general because it is applicable no matter whether the vector measurements are unit. It is shown that the conventional results presented in the prior literature are a special case of those proposed here.