Combining signals from accelerometers and gyroscopes is a widely used way to estimate robot attitude. However, when using a Kalman filter in this case, the measurements are vulnerable to dynamic accelerations which will result in substantial attitude estimation errors. The attitude acquisition method presented in this paper takes an attitude quaternion as system measurements and uses a Kalman filter to fuse signals from MEMS gyroscopes, accelerometers and magnetic sensors. In order to remove the influence of dynamic accelerations, when dynamic accelerations are found to be significant, a Quaternion-based Strapdown Navigation System (Q-SINS) algorithm is only applied without the Kalman filtering. When the dynamic accelerations are not significant, both the Q-SINS and the Bi-vector algorithms are utilized and fused using the Kalman filter for improved system performance. Compared with some other highly nonlinear and complicated attitude algorithms, the Attitude and Heading Reference System (AHRS) proposed in this paper is computationally less expensive and more suitable for real-time applications.
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ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 28–31, 2011
Washington, DC, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
978-0-7918-5483-9
PROCEEDINGS PAPER
A Low Cost Attitude and Heading Reference System Based on a MEMS IMU for a T-Quadrotor
Yangbo Long,
Yangbo Long
Stevens Institute of Technology, Hoboken, NJ
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Shi Bai,
Shi Bai
Stevens Institute of Technology, Hoboken, NJ
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Paras Patel,
Paras Patel
Stevens Institute of Technology, Hoboken, NJ
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David J. Cappelleri
David J. Cappelleri
Stevens Institute of Technology, Hoboken, NJ
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Yangbo Long
Stevens Institute of Technology, Hoboken, NJ
Shi Bai
Stevens Institute of Technology, Hoboken, NJ
Paras Patel
Stevens Institute of Technology, Hoboken, NJ
David J. Cappelleri
Stevens Institute of Technology, Hoboken, NJ
Paper No:
DETC2011-48960, pp. 863-870; 8 pages
Published Online:
June 12, 2012
Citation
Long, Y, Bai, S, Patel, P, & Cappelleri, DJ. "A Low Cost Attitude and Heading Reference System Based on a MEMS IMU for a T-Quadrotor." Proceedings of the ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 6: 35th Mechanisms and Robotics Conference, Parts A and B. Washington, DC, USA. August 28–31, 2011. pp. 863-870. ASME. https://doi.org/10.1115/DETC2011-48960
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