WebMay 30, 2024 · Abstract: A novel attitude estimation algorithm is proposed for unmanned aerial vehicles (UAV) in this paper. It uses attitude quaternion to represent the attitude of UAV, and uses extended Kalman filter (EKF) to fuse the merits of magnetic, angular rate, and gravity (MARG) sensors. First, attitude quaternion and drift bias of gyroscope are ... WebReal-time spacecraft attitude estimation generally employs an Extended Kalman Filter (EKF') [I, 21. Although the 3x3 orthogonal attitude matrix is the fundamental representation of the spacecraft's attitude, the orthogonality requirement imposes six constraints on its nine elements, reflecting the fact that the special orthogonal
A time-varying Kalman filter for low-acceleration attitude …
WebDec 7, 2011 · This article extends a previously presented Kalman-like filter for fusing gyro measurements with attitude measurements obtained from external sensors such as star-trackers, magnetometers, and sun-sensors. The simplicity of this approach is useful for applications such as micro/nano-satellites where computational power is limited. milk jug water heater
Sensors Free Full-Text Procapra Przewalskii Tracking …
WebNov 25, 2024 · The nonlinear problem of sensing the attitude of a solid body is solved by a novel implementation of the Kalman Filter. This implementation combines the use of quaternions to represent attitudes, time-varying matrices to model the dynamic behavior of the process and a particular state vector. This vector was explicitly created from … WebSep 1, 2024 · The Kalman-based attitude estimation solutions that are available in the … WebApr 13, 2024 · This paper presents an autonomous unmanned-aerial-vehicle (UAV) tracking system based on an improved long and short-term memory (LSTM) Kalman filter (KF) model. The system can estimate the three-dimensional (3D) attitude and precisely track the target object without manual intervention. Specifically, the YOLOX algorithm is employed … milk jug throwing grocery store