Results 1 to 10 of about 457,735 (293)

A Survey on Obstacle Detection and Avoidance Methods for UAVs

Drones
Obstacle avoidance is crucial for the successful completion of UAV missions. Static and dynamic obstacles, such as trees, buildings, flying birds, or other UAVs, can threaten these missions.
Hamid McHeick, Ahmad Merei, Djamal Rebaine   +2 more
exaly   +3 more sources

The Algorithm of Multiple Obstacle Avoidance Tasks for Dual-Arm Robots

IEEE Access, 2023
To achieve multiple obstacle avoidance tasks consisting of zero-space obstacle avoidance and terminal obstacle avoidance with self-avoidance permission, we propose an algorithm for multiple obstacle avoidance tasks for dual-arm robots. First, we design a
Quancheng Pu, Xiangrong Xu, Hui Zhang, Qiqi Li, Aleksandar Rodic, Petar B. Petrovich, Haiyan Wang, Shanshan Xu, Zhixiong Wang   +8 more
doaj   +1 more source

Research on the Emergency Obstacle Avoidance Strategy of Intelligent Vehicles Based on a Safety Distance Model

IEEE Access, 2023
Under emergency conditions, the safety distance between vehicles is insufficient, and drivers initiate unreasonable obstacle avoidance, which results in accident risks to vehicles.
Shengqin Li, Qingqing Zhao
doaj   +1 more source

A Test Method for Obstacle-Avoidance Performance of Unmanned Surface Vehicles Based on Mobile-Buoy–Shore Multisource-Sensing-Data Fusion

Journal of Marine Science and Engineering, 2022
In order to avoid the influence of the test system itself on the autonomous navigation and performance test accuracy of unmanned surface vehicles (USVs), a test method for the obstacle-avoidance performance of USVs based on mobile-buoy–shore multisource ...
Guoquan Xiao, Guihong Zheng, Bing Ren, Yue Wang, Xiaobin Hong, Zhigang Zhang   +5 more
doaj   +1 more source

A Quantitative Evaluation Method for Obstacle Avoidance Performance of Unmanned Ship

Journal 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, Bing Ren, Chao Tong, Xiaobin Hong   +3 more
doaj   +1 more source

A Survey of Indoor UAV Obstacle Avoidance Research

IEEE 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, Xingzhong Xiong, Yuehao Yan, Yunhong Yang   +3 more
doaj   +1 more source

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

Journal 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, Leilei Jin, Xiuhui Hou, Longjin Wang, Boyang Li, Hualin Yang   +5 more
doaj   +1 more source

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

Sensors, 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, Yonghong Zhang, Qianyu Xiao, Yi Huang   +3 more
doaj   +1 more source

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

Applied 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, Feiyang Wu, Ruchuan Li, Dong Yao, Lei Meng, Ankai He   +5 more
doaj   +1 more source

A Predictive Guidance Obstacle Avoidance Algorithm for AUV in Unknown Environments

Sensors, 2019
A predictive guidance obstacle avoidance algorithm (PGOA) in unknown environments is proposed for autonomous underwater vehicle (AUV) that must adapt to multiple complex obstacle environments.
Juan Li, Jianxin Zhang, Honghan Zhang, Zheping Yan   +3 more
doaj   +1 more source