A Novel Approach for Attitude Estimation using MEMS Inertial Sensors

被引:0
|
作者
Wu, Zheming [1 ]
Sun, Zhenguo [1 ]
Zhang, Wenzeng [1 ]
Chen, Qiang [1 ]
机构
[1] Tsinghua Univ, Dept Mech Engn, Key Lab Adv Mat Proc Technol, Minist Educ, Beijing 100084, Peoples R China
来源
基金
中国国家自然科学基金;
关键词
MEMS inertial sensors; gyro bias; attitude estimation; GYRO;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper a new method for attitude estimation using low-cost MEMS inertial sensors is developed, in order to obtain accurate attitude parameters when other external sensors such as magnetometer and GPS are limited in operation. The method is based on specific rotation of the inertial measurement unit independent from rigid body motion. An algorithm is developed by incorporating a nonlinear observer in order to fusing measurements from both the gyroscope and the accelerometers. The algorithm provides bias estimation of the gyroscope and better estimation results. Experiments validate the effectiveness of the proposed method.
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页数:4
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