AN INTEGRATED NAVIGATION METHOD BASED ON AN ADAPTIVE FEDERAL KALMAN FILTER FOR A RICE TRANSPLANTER

被引：6

作者：

Liao, J. ^{[1
]}

Wang, Y. ^{[1
]}

Yin, J. N. ^{[1
]}

Bi, L. L. ^{[1
]}

Zhang, S. ^{[1
]}

Zhou, H. Y. ^{[2
]}

Zhu, D. Q. ^{[1
]}

机构：

[1] Anhui Agr Univ, Coll Engn, Hefei, Peoples R China

[2] Univ Leicester, Dept Informat, Leicester, Leics, England

来源：

TRANSACTIONS OF THE ASABE | 2021年 / 64卷 / 02期

关键词：

Federal Kalman filter; GPS/INS/VNS; Information distribution factor; Information fusion; Integrated navigation; LOW-COST; SYSTEM;

D O I：

10.13031/trans.13682

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

In this article, an integrated global positioning system (GPS), inertial navigation system (INS), and visual navigation system (VNS) navigation method based on an adaptive federal Kalman filter (KF) is presented to improve positioning accuracy for a rice transplanter operating in a paddy field. The proposed method used GPS/VNS to aid the INS and reduce the influence of the accumulated error of the INS on navigation accuracy. An adaptive federal KF algorithm was designed to fuse navigation information from different sensors. The information distribution factor of each local filter was obtained adaptively on the basis of its own error covariance matrix. Computer simulation and transplanter tests were conducted to verify the proposed method. Results showed that the proposed method provided accurate and reliable navigation information outputs and achieved better navigation performance compared with single GPS navigation and an integrated method based on a conventional federal KF.

引用

页码：389 / 399

页数：11

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