Decoupling of Airborne Dynamic Bending Deformation Angle and Its Application in the High-Accuracy Transfer Alignment Process
In the traditional airborne distributed position and orientation system (DPOS) transfer alignment process, the coupling angle between the dynamic deformation and body angular motion is not estimated or compensated, which causes the process to have low precision and long convergence time. To achieve...
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doaj-f06003c45b3e47af874021280c65059b2020-11-25T00:17:14ZengMDPI AGSensors1424-82202019-01-0119121410.3390/s19010214s19010214Decoupling of Airborne Dynamic Bending Deformation Angle and Its Application in the High-Accuracy Transfer Alignment ProcessPing Yang0Xiyuan Chen1Junwei Wang2Key Laboratory of Micro-Inertial Instrument and Advanced Navigation Technology, Ministry of Education, School of Instrument Science and Engineering, Southeast University, Nanjing 210096, ChinaKey Laboratory of Micro-Inertial Instrument and Advanced Navigation Technology, Ministry of Education, School of Instrument Science and Engineering, Southeast University, Nanjing 210096, ChinaKey Laboratory of Micro-Inertial Instrument and Advanced Navigation Technology, Ministry of Education, School of Instrument Science and Engineering, Southeast University, Nanjing 210096, ChinaIn the traditional airborne distributed position and orientation system (DPOS) transfer alignment process, the coupling angle between the dynamic deformation and body angular motion is not estimated or compensated, which causes the process to have low precision and long convergence time. To achieve high-precision transfer alignment, a decoupling method for the airborne dynamic deformation angle is proposed in this paper. The model of the coupling angle is established through mathematical derivation. Then, taking the coupling angle into consideration, angular velocity error and velocity error between the master INS and slave IMU are corrected. Based on this, a novel 27-state Kalman filter model is established. Simulation results demonstrate that, compared with the traditional transfer alignment model, the model proposed in this paper has faster convergence time and higher accuracy.http://www.mdpi.com/1424-8220/19/1/214dynamic deformation coupling angletransfer alignmentangular velocity matchingairborne DPOS |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ping Yang Xiyuan Chen Junwei Wang |
spellingShingle |
Ping Yang Xiyuan Chen Junwei Wang Decoupling of Airborne Dynamic Bending Deformation Angle and Its Application in the High-Accuracy Transfer Alignment Process Sensors dynamic deformation coupling angle transfer alignment angular velocity matching airborne DPOS |
author_facet |
Ping Yang Xiyuan Chen Junwei Wang |
author_sort |
Ping Yang |
title |
Decoupling of Airborne Dynamic Bending Deformation Angle and Its Application in the High-Accuracy Transfer Alignment Process |
title_short |
Decoupling of Airborne Dynamic Bending Deformation Angle and Its Application in the High-Accuracy Transfer Alignment Process |
title_full |
Decoupling of Airborne Dynamic Bending Deformation Angle and Its Application in the High-Accuracy Transfer Alignment Process |
title_fullStr |
Decoupling of Airborne Dynamic Bending Deformation Angle and Its Application in the High-Accuracy Transfer Alignment Process |
title_full_unstemmed |
Decoupling of Airborne Dynamic Bending Deformation Angle and Its Application in the High-Accuracy Transfer Alignment Process |
title_sort |
decoupling of airborne dynamic bending deformation angle and its application in the high-accuracy transfer alignment process |
publisher |
MDPI AG |
series |
Sensors |
issn |
1424-8220 |
publishDate |
2019-01-01 |
description |
In the traditional airborne distributed position and orientation system (DPOS) transfer alignment process, the coupling angle between the dynamic deformation and body angular motion is not estimated or compensated, which causes the process to have low precision and long convergence time. To achieve high-precision transfer alignment, a decoupling method for the airborne dynamic deformation angle is proposed in this paper. The model of the coupling angle is established through mathematical derivation. Then, taking the coupling angle into consideration, angular velocity error and velocity error between the master INS and slave IMU are corrected. Based on this, a novel 27-state Kalman filter model is established. Simulation results demonstrate that, compared with the traditional transfer alignment model, the model proposed in this paper has faster convergence time and higher accuracy. |
topic |
dynamic deformation coupling angle transfer alignment angular velocity matching airborne DPOS |
url |
http://www.mdpi.com/1424-8220/19/1/214 |
work_keys_str_mv |
AT pingyang decouplingofairbornedynamicbendingdeformationangleanditsapplicationinthehighaccuracytransferalignmentprocess AT xiyuanchen decouplingofairbornedynamicbendingdeformationangleanditsapplicationinthehighaccuracytransferalignmentprocess AT junweiwang decouplingofairbornedynamicbendingdeformationangleanditsapplicationinthehighaccuracytransferalignmentprocess |
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1725380321872969728 |