Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Lianwu Guan"'
Publikováno v:
Remote Sensing, Vol 16, Iss 14, p 2527 (2024)
LiDAR-based simultaneous localization and mapping (SLAM) offer robustness against illumination changes, but the inherent sparsity of LiDAR point clouds poses challenges for continuous tracking and navigation, especially in feature-deprived scenarios.
Externí odkaz:
https://doaj.org/article/c07ad930f3514e4ea0d6479b0a061f05
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 6, p 964 (2024)
Fish object detection and counting in pelagic fisheries face many challenges in complex environments. Sonar imaging technology offers a solution because it generates high-resolution images underwater. In this paper, we propose a sonar-based fish obje
Externí odkaz:
https://doaj.org/article/7843c8f1017b4419872fcbe55e1ff719
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 4, p 616 (2024)
This paper investigates an anticipatory activation anti-windup approach based on Linear Active Disturbance Rejection Control (LADRC) to address the influences of accelerated saturation on the actuators in a Miniaturized Inertial Stabilized Platform (
Externí odkaz:
https://doaj.org/article/6a613d01c7fb43fab9a9ea74cea186e7
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 2, p 313 (2024)
For seabed mapping, the prevalence of autonomous underwater vehicles (AUVs) employing side-scan sonar (SSS) necessitates robust navigation solutions. However, the positioning errors of traditional strapdown inertial navigation system (SINS) and Doppl
Externí odkaz:
https://doaj.org/article/6acdeaf52157469d8b7d81dfdef1b814
Publikováno v:
Sensors, Vol 23, Iss 3, p 1691 (2023)
In view of the difficulties regarding that airborne navigation equipment relies on imports and the expensive domestic high-precision navigation equipment in the manufacturing field of Chinese navigable aircraft, a dual-antenna GNSS (global navigation
Externí odkaz:
https://doaj.org/article/32ef1ae337b6495a819f224f342a1b52
Publikováno v:
IEEE Access, Vol 9, Pp 13499-13512 (2021)
Supercavitation technology can greatly improve the speed of underwater vehicles by reducing drag. However, the time-delay characteristic of a supercavitating vehicle presents control challenge. In this paper, a linear parameter-varying (LPV) time-del
Externí odkaz:
https://doaj.org/article/d1b25dfa106248138a6363ad23986adc
Publikováno v:
IEEE Access, Vol 8, Pp 171129-171139 (2020)
Object extraction is an important tool in many applications within the image processing and computer vision communities. You Only Look Once version 3 (YOLOv3) has been extensively applied to many fields as a state-of-the-art technique for object sema
Externí odkaz:
https://doaj.org/article/11a2d06b39c842fda3a7cc3f470bce74
Publikováno v:
Machines, Vol 11, Iss 1, p 65 (2023)
A feedforward strap-down control with a compensator base on the linear extended state observer (LESO) is proposed for a miniaturized camera stabilized platform, which reduces the influence of the dead zone in speed regulation and uncertainties in par
Externí odkaz:
https://doaj.org/article/ca360676f87647cabddcde57d97ff25d
Publikováno v:
Actuators, Vol 11, Iss 5, p 118 (2022)
Disturbance from luminance variation in the identification of visual sensors causes instability in the control system of target tracking, which leads to field of vision (FOV) motion and even the target missing. To solve this problem, a linear active
Externí odkaz:
https://doaj.org/article/1aaa596dfe0f41e4a49bb6daea6639a9
Publikováno v:
Remote Sensing, Vol 13, Iss 18, p 3591 (2021)
Visual Simultaneous Localization and Mapping (SLAM) technologies based on point features achieve high positioning accuracy and complete map construction. However, despite their time efficiency and accuracy, such SLAM systems are prone to instability
Externí odkaz:
https://doaj.org/article/ea886d6998634c539cf9b5632aeb05fd