|
|
|
|
|
Jingjing Zhang, Yanlong Liu and Weidong Zhou
Adaptive sampling of the marine environment may improve the accuracy of marine numerical prediction models. This study considered adaptive sampling path optimization for a three-dimensional (3D) marine observation platform, leading to a path-planning str...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jorge Carvajal-Rodriguez, Marco Morales and Christian Tipantuña
|
|
|
|
|
|
|
|
|
|
|
Baodong Ma, Quan Liu, Ziwei Jiang, Defu Che, Kehan Qiu and Xiangxiang Shang
Path planning is widely used in many domains, and it is crucial for the advancement of map navigation, autonomous driving, and robot path planning. However, existing path planning methods have certain limitations for complex field scenes with undulating ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yicong Guo, Xiaoxiong Liu, Xuhang Liu, Yue Yang and Weiguo Zhang
In complex environments, path planning is the key for unmanned aerial vehicles (UAVs) to perform military missions autonomously. This paper proposes a novel algorithm called flight cost-based Rapidly-exploring Random Tree star (FC-RRT*) extending the sta...
ver más
|
|
|
|
|
|
|
|
|
|
|
Khaled Kaaniche, Osama El-Hamrawy, Nasr Rashid, Mohammed Albekairi and Hassen Mekki
This paper deals with 3D visual servoing applied to mobile robots in the presence of measurement disturbances, caused in particular by target occlusion. We propose a new approach based on the flatness concept. In 3D visual servoing, the task is performed...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jonghoek Kim
Three dimensional path planner is crucial for the safe navigation of autonomous vehicles (AV), such as unmanned aerial vehicles or unmanned underwater vehicles, which operate in three dimensions. In this paper, we develop a novel 3D path planner, which i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Guocheng Zhang, Jixiao Liu, Yushan Sun, Xiangrui Ran and Puxin Chai
This paper aims to focus on the path planning problem of AUV in the marine environment. As well as considering the path length and safe obstacle avoidance, ocean currents should not be ignored as the main factor affecting the navigation energy consumptio...
ver más
|
|
|
|
|
|
|
|
|
|
|
Abera Tullu, Bedada Endale, Assefinew Wondosen and Ho-Yon Hwang
The need for civilian use of Unmanned Aerial Vehicles (UAVs) has drastically increased in recent years. Their potential applications for civilian use include door-to-door package delivery, law enforcement, first aid, and emergency services in urban areas...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yushan Sun, Xiangrui Ran, Guocheng Zhang, Hao Xu and Xiangbin Wang
This study proposed the 3D path planning of an autonomous underwater vehicle (AUV) by using the hierarchical deep Q network (HDQN) combined with the prioritized experience replay. The path planning task was divided into three layers, which realized the d...
ver más
|
|
|
|
|
|
|
|
|
|
|
Alia Ghaddar and Ahmad Merei
The presence of obstacles like a tree, buildings, or birds along the path of a drone has the ability to endanger and harm the UAV?s flight mission. Avoiding obstacles is one of the critical challenging keys to successfully achieve a UAV?s mission. The pa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Okan Minnetoglu and Erdinc Sahin Conkur
An effective path-planning algorithm in three-dimensional (3D) environments based on a geometric approach for redundant/hyper-redundant manipulators are presented in this paper. The method works within confined spaces cluttered with obstacles in real-tim...
ver más
|
|
|
|
|
|
|
|
|
|
|
Donggyun Kim, Byungjin Lee and Sangkyung Sung
This paper presents an efficient method for securing navigation performance by suppressing divergence risk of LiDAR SLAM through a newly proposed geometric observability analysis in a three-dimensional point cloud map. For this, observability characteris...
ver más
|
|
|
|
|
|
|
|
|
|
|
Juan Li, Chengyue Li, Tao Chen and Yun Zhang
Due to the complexity of the marine environment, underwater target search and interception is one of the biggest problems faced by an autonomous underwater vehicle (AUV). At present, there is quite a lot of research in terms of the two-dimensional enviro...
ver más
|
|
|
|
|
|
|
|
|
|
|
Michael Freeman, Cory Vernon, Bryce Berrett, Nicole Hastings, Jeff Derricott, Jenessa Pace, Benjamin Horne, Joshua Hammond, Joseph Janson, Filiberto Chiabrando, John Hedengren and Kevin Franke
A sequence of large earthquakes in central Italy ranging in moment magnitudes (Mw) from 4.2 to 6.5 caused significant damage to many small towns in the area. After each earthquake in 2016 (24 August and 26 October), automated small unmanned aerial vehicl...
ver más
|
|
|
|
|
|
|
|
|
|
|
Donggyun Kim, Byungjin Lee and Sangkyung Sung
This paper explores the research topic of enhancing the reliability of unmanned mobile exploration using LiDAR SLAM. Specifically, it proposes a technique to analyze waypoints where 3D LiDAR SLAM can be smoothly performed in potential exploration areas a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yaqian Chen, Jiangfeng She, Xingong Li, Shuhua Zhang and Junzhong Tan
Cost distance is one of the fundamental functions in geographical information systems (GISs). 3D cost distance function makes the analysis of movement in 3D frictions possible. In this paper, we propose an algorithm and efficient data structures to accur...
ver más
|
|
|
|
|
|
|
|
|
|
|
Abdul Majeed and Sungchang Lee
This paper presents a new coverage flight path planning algorithm that finds collision-free, minimum length and flyable paths for unmanned aerial vehicle (UAV) navigation in three-dimensional (3D) urban environments with fixed obstacles for coverage miss...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jiangyi Yao, Xiongwei Li, Yang Zhang, Jingyu Ji, Yanchao Wang, Danyang Zhang and Yicen Liu
Unmanned helicopter (UH) is often utilized for raid missions because it can evade radar detection by flying at ultra-low altitudes. Path planning is the key technology to realizing the autonomous action of UH. On the one hand, the dynamically changing ra...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ji-Won Woo, Yoo-Seung Choi, Jun-Young An and Chang-Joo Kim
Recently, interest in mission autonomy related to Unmanned Combat Aerial Vehicles(UCAVs) for performing highly dangerous Air-to-Surface Missions(ASMs) has been increasing. Regarding autonomous mission planners, studies currently being conducted in this f...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jing Qi, Xilun Ding, Weiwei Li, Zhonghua Han and Kun Xu
Hand postures and speech are convenient means of communication for humans and can be used in human?robot interaction. Based on structural and functional characteristics of our integrated leg-arm hexapod robot, to perform reconnaissance and rescue tasks i...
ver más
|
|
|
|
|
|