Results 1 to 10 of about 947 (217)

AUV SLAM method based on SO-CFAR and ADT feature extraction [PDF]

open access: yesScience Progress
Due to the exceptional detection capabilities, the forward-looking sonar could be adopted in simultaneous localization and mapping (SLAM) for autonomous underwater vehicle (AUVs).
Xiaokai Mu   +4 more
doaj   +2 more sources

A Novel Map-Based Dead-Reckoning Algorithm for Indoor Localization

open access: yesJournal of Sensor and Actuator Networks, 2014
Step counting-based dead-reckoning has been widely accepted as a cheap and effective solution for indoor pedestrian tracking using a hand-held device equipped with motion sensors.
Haitao Bao, Wai-Choong Wong
doaj   +3 more sources

Constrained Cubature Particle Filter for Vehicle Navigation [PDF]

open access: yesSensors
In vehicle navigation, it is quite common that the dynamic system is subject to various constraints, which increases the difficulty in nonlinear filtering.
Li Xue, Yongmin Zhong, Yulan Han
doaj   +2 more sources

Waypoint Transfer Module between Autonomous Driving Maps Based on LiDAR Directional Sub-Images [PDF]

open access: yesSensors
Lane graphs are very important for describing road semantics and enabling safe autonomous maneuvers using the localization and path-planning modules. These graphs are considered long-life details because of the rare changes occurring in road structures ...
Mohammad Aldibaja   +2 more
doaj   +2 more sources

An USBL/DR Integrated Underwater Localization Algorithm Considering Variations of Measurement Noise Covariance

open access: yesIEEE Access, 2022
Ultrashort baseline (USBL) positioning system is an important part of the integrated navigation for underwater vehicles. The single USBL positioning system has problems such as reduced accuracy of azimuth measurement due to target motion and large impact
Jie Ma, Yifei Yu, Yu Zhang, Xiaodong Zhu
doaj   +1 more source

A Comparison of the Least Squares with Kalman Filter Methods Used in Algorithms of Fusion with Dead Reckoning Navigation Data [PDF]

open access: yesTransNav, 2017
Different calculation methods and configurations of navigation systems can be used in algorithms of navigational parameter fusion and estimation. The article presents a comparison of two methods of fusion of dead reckoning position with that from a ...
Andrzej Banachowicz, Adam Wolski
doaj   +1 more source

DR/USBL Integrated Navigation Algorithm for HOV

open access: yes水下无人系统学报, 2022
An economically feasible integrated navigation algorithm is designed for deep-sea human-occupied vehicles(HOV) operating near the seafloor. The algorithm utilizes the Doppler velocity log and a strapped-down compass carried by the HOV to form a dead ...
Xian-jun LIU   +4 more
doaj   +1 more source

Performance evaluation on GNSS, wheel speed sensor, yaw rate sensor, and gravity sensor integrated positioning algorithm for automotive navigation system [PDF]

open access: yesE3S Web of Conferences, 2019
The Global Navigation Satellite System (GNSS) positioning technique is widely used for the automotive navigation system since it can provide the stable and accurate position and velocity in the most road environments at an affordable price.
Han Joong-hee, Park Chi-ho
doaj   +1 more source

Using Interchangeably the Extended Kalman Filter and Geodetic Robust Adjustment Methods to Increase the Accuracy of Surface Vehicle Positioning in the Coastal Zone

open access: yesApplied Sciences, 2023
This paper presents a study to evaluate the comparative positioning accuracy of Surface Vehicle (SV) using Dead Reckoning (DR), Geodetic Least-Squares Adjustment (GLSA), Geodetic Robust Adjustment (GRA), and External Kalman Filter (EKF) methods.
Krzysztof Naus, Piotr Szymak
doaj   +1 more source

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