Results 11 to 20 of about 170,372 (295)

A Quantitative Evaluation Method for Obstacle Avoidance Performance of Unmanned Ship

open access: yesJournal of Marine Science and Engineering, 2021
In response to the urgent need for quantitative evaluation of the obstacle avoidance performance of an unmanned ship, a quantitative evaluation model is established to evaluate quantitatively the obstacle perception performance, static obstacle avoidance
Guoquan Xiao   +3 more
doaj   +1 more source

Avoiding moving obstacles [PDF]

open access: yesExperimental Brain Research, 2008
To successfully move our hand to a target, we must consider how to get there without hitting surrounding objects. In a dynamic environment this involves being able to respond quickly when our relationship with surrounding objects changes. People adjust their hand movements with a latency of about 120 ms when the visually perceived position of their ...
Aivar, M.P., Brenner, E., Smeets, J.B.J.
openaire   +2 more sources

A Survey of Indoor UAV Obstacle Avoidance Research

open access: yesIEEE Access, 2023
UAV obstacle avoidance technology is one of the key factors to realize UAV autonomous flight, efficient and accurate obstacle avoidance is significant to complete the UAV autonomous flight task.
Junlin Li   +3 more
doaj   +1 more source

COLREGs: Compliant Dynamic Obstacle Avoidance of USVs Based on the Dynamic Navigation Ship Domain

open access: yesJournal of Marine Science and Engineering, 2021
Dynamic obstacle avoidance is essential for unmanned surface vehicles (USVs) to achieve autonomous sailing. This paper presents a dynamic navigation ship domain (DNSD)-based dynamic obstacle avoidance approach for USVs in compliance with COLREGs.
Fang Deng   +5 more
doaj   +1 more source

Visual navigation with obstacle avoidance [PDF]

open access: yes2011 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2011
We present and validate a framework for vi- sual navigation with obstacle avoidance. The approach was originally designed in 1, but major improvements and real outdoor experiments are added here. Visual navigation consists of following a path, represented as an ordered set of key images, that have been acquired in a preliminary teaching phase.
Cherubini, Andrea, Chaumette, F.
openaire   +2 more sources

The Control Method of Autonomous Flight Avoidance Barriers of UAVs in Confined Environments

open access: yesSensors, 2023
This paper proposes an improved 3D-Vector Field Histogram (3D-VFH) algorithm for autonomous flight and local obstacle avoidance of multi-rotor unmanned aerial vehicles (UAVs) in a confined environment.
Tiantian Dong   +3 more
doaj   +1 more source

Real-Time Path Planning for Obstacle Avoidance in Intelligent Driving Sightseeing Cars Using Spatial Perception

open access: yesApplied Sciences, 2023
The increasing prevalence of intelligent driving sightseeing vehicles in the tourism industry underscores the critical importance of real-time planning for effective local obstacle avoidance paths when these vehicles encounter obstacles during operation.
Xu Yang   +5 more
doaj   +1 more source

Three-Dimensional Autonomous Obstacle Avoidance Algorithm for UAV Based on Circular Arc Trajectory

open access: yesInternational Journal of Aerospace Engineering, 2021
This paper proposes an innovative and efficient three-dimensional (3D) autonomous obstacle algorithm for unmanned aerial vehicles (UAVs) which works by generating circular arc trajectories to avoid obstacles.
Jiandong Guo   +4 more
doaj   +1 more source

Stream-Function Based 3D Obstacle Avoidance Mechanism for Mobile AUVs in the Internet of Underwater Things

open access: yesIEEE Access, 2021
The mobility manager in the Internet of Underwater Things (IoUT) plays a major role in data acquisition. In this paper, one novel obstacle avoidance method based on fluid mechanics is discussed for autonomous underwater vehicle (AUV) in 3D IoUT.
Wenyu Cai   +4 more
doaj   +1 more source

Motion Route Planning and Obstacle Avoidance Method for Mobile Robot Based on Deep Learning

open access: yesJournal of Electrical and Computer Engineering, 2022
In order to improve the motion route planning effect and obstacle avoidance effect of mobile robots, this paper combines the deep learning theory to analyze the motion route planning and obstacle avoidance process of mobile robots.
Jichao Cui, Guanghua Nie
doaj   +1 more source

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