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| A Method for Testing Accuracy of Inertial System in Flight Test |
| Received:November 10, 2017 Revised:January 15, 2018 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/ issn.1672-9242.2018.01.005 |
| KeyWord:equivalent error principal component method precision test inertial system |
| Author | Institution |
| XIAO Zheng-lin |
Troop 96658, PLA, Beijing , China |
| CHEN Fang |
Troop 96658, PLA, Beijing , China |
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| Abstract: |
| Objective Aiming at the problem that results obtained by the traditional instrument error separation method are not accurate enough, a method for determining the accuracy of the inertial system by using equivalent error is proposed. Methods Firstly, the equivalent error which was independent and unbiased was defined based on the principal component analysis. Then, a method based on the hypothesis test of the equivalent error was put forward to determine the precision of the inertial system. Results The example showed that the method can be used to determine the inertial system accuracy credibly. Conclusion With this method, the problem that the error is large and the credibility is low in the previous approach is solved. |
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