Results 11 to 20 of about 76,713 (304)
IEEE Access, 2018 In tracking a maneuverable target, a proper estimation method with better filtering accuracy, stronger robustness, and faster convergence speed is crucial to the tracking system.
Jian Wang, Tao Zhang, Xiang Xu, Yao Li
doaj +1 more source
Learning Pose Estimation for UAV Autonomous Navigation and Landing Using Visual-Inertial Sensor Data [PDF]
, 2020 In this work, we propose a robust network-in-the-loop control system for autonomous navigation and landing of an Unmanned-Aerial-Vehicle (UAV). To estimate the UAV’s absolute pose, we develop a deep neural network (DNN) architecture for visual-inertial ...
bateux +11 more
core +1 more source
An Extensible Positioning System for Locating Mobile Robots in Unfamiliar Environments
Sensors, 2019 In this paper, an extensible positioning system for mobile robots is proposed. The system includes a stereo camera module, inertial measurement unit (IMU) and an ultra-wideband (UWB) network which includes five anchors, one of which is with the unknown ...
Xiaosu Xu +3 more
doaj +1 more source
Real-Time Terrain-Following of an Autonomous Quadrotor by Multi-Sensor Fusion and Control
Applied Sciences, 2021 For the application of the autonomous guidance of a quadrotor from confined undulant ground, terrain-following is the major issue for flying at a low altitude.
Yuan Yang +5 more
doaj +1 more source
Distributed data fusion algorithms for inertial network systems [PDF]
, 2008 New approaches to the development of data fusion algorithms for inertial network systems are described. The aim of this development is to increase the accuracy of estimates of inertial state vectors in all the network nodes, including the navigation ...
Allerton, David J., Jia, Huamin
core +1 more source
A Novel Hybrid of a Fading Filter and an Extreme Learning Machine for GPS/INS during GPS Outages
Sensors, 2018 In this paper, a novel algorithm based on the combination of a fading filter (FF) and an extreme learning machine (ELM) is presented for Global Positioning System/Inertial Navigation System (GPS/INS) integrated navigation systems.
Di Wang, Xiaosu Xu, Yongyun Zhu
doaj +1 more source
Drones, 2022 The problem of quadrotor attitude and position control is considered in the presence of generally lumped disturbances: external disturbances and model uncertainty.
Wenxing Zhu +3 more
doaj +1 more source
A Coarse Alignment Method Based on Digital Filters and Reconstructed Observation Vectors
Sensors, 2017 In this paper, a coarse alignment method based on apparent gravitational motion is proposed. Due to the interference of the complex situations, the true observation vectors, which are calculated by the apparent gravity, are contaminated.
Xiang Xu +4 more
doaj +1 more source
AUV Underwater Positioning Algorithm Based on Interactive Assistance of SINS and LBL
Sensors, 2015 This paper studies an underwater positioning algorithm based on the interactive assistance of a strapdown inertial navigation system (SINS) and LBL, and this algorithm mainly includes an optimal correlation algorithm with aided tracking of an SINS ...
Tao Zhang, Liping Chen, Yao Li
doaj +1 more source
A Robust Parallel Initialization Method for Monocular Visual-Inertial SLAM
Sensors, 2022 In order to improve the initialization robustness of visual inertial SLAM, the complementarity of the optical flow method and the feature-based method can be used in vision data processing.
Min Zhong +3 more
doaj +1 more source