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Pose and Posture Estimation of Aerial Skeleton Systems for Outdoor Flying | IEEE Conference Publication | IEEE Xplore

Pose and Posture Estimation of Aerial Skeleton Systems for Outdoor Flying


Abstract:

We present a novel pose and posture estimation framework of aerial skeleton system for outdoor flying. To exploit redundant/independent sensing while rendering the system...Show More

Abstract:

We present a novel pose and posture estimation framework of aerial skeleton system for outdoor flying. To exploit redundant/independent sensing while rendering the system “modular”, we attach an IMU (inertial measurement unit) sensor and a GNSS (global navigation satellite system) module on each link and perform SE(3)-motion EKF (extended Kalman filtering). We then apply the kinematic constraints of the aerial skeleton system to these EKF estimates of all the links through SCKF (smoothly constrained Kalman filtering), thereby, enforcing the kinematic coherency of the skeleton system and, consequently, significantly enhancing the estimation accuracy and the control performance/stability of the aerial skeleton system. A semi-distributed version of the obtained estimation framework is also presented to address the issue of scalability. The theory is then verified/demonstrated with real outdoor flying experiments and simulation studies of a three-link aerial skeleton system.
Date of Conference: 20-24 May 2019
Date Added to IEEE Xplore: 12 August 2019
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Conference Location: Montreal, QC, Canada

References

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