Results 21 to 30 of about 3,147,468 (232)

AUV Dynamic Obstacle Avoidance Method Based on Improved PPO Algorithm

open access: yesIEEE Access, 2022
Designing a reasonable obstacle avoidance method for AUV 3D path planning is difficult, and existing obstacle avoidance methods have certain drawbacks. For example, they are only applicable to 2D planar applications and cannot effectively handle dynamic ...
Guohao Zhu   +6 more
doaj   +1 more source

Using the Bees Algorithm for wheeled mobile robot path planning in an indoor dynamic environment

open access: yesCogent Engineering, 2018
This paper presents a solution to plan a path using a new form of the Bees Algorithm for a 2-Wheeled Differential Drive mobile robot. This robot is used in an indoor environment.
Ahmed Haj Darwish   +2 more
doaj   +1 more source

An Obstacle-Avoidance Motion Planning Method for Redundant Space Robot via Reinforcement Learning

open access: yesActuators, 2023
On-orbit operation tasks require the space robot to work in an unstructured dynamic environment, where the end-effector’s trajectory and obstacle avoidance need to be guaranteed simultaneously.
Zeyuan Huang   +5 more
doaj   +1 more source

Two Space-Time Obstacle Representations Based on Ellipsoids and Polytopes

open access: yesIEEE Access, 2021
When operating autonomous surface vessels in uncertain environments with dynamic obstacles, planning safe trajectories and evaluating collision risk is key to navigating safely.
Andreas B. Martinsen   +1 more
doaj   +1 more source

Dynamic Obstacle Avoidance and Path Planning through Reinforcement Learning

open access: yesApplied Sciences, 2023
The use of reinforcement learning (RL) for dynamic obstacle avoidance (DOA) algorithms and path planning (PP) has become increasingly popular in recent years. Despite the importance of RL in this growing technological era, few studies have systematically
Khawla Almazrouei   +2 more
doaj   +1 more source

Research on obstacle avoidance control method of multi-rotor aircraft in coal mine

open access: yesGong-kuang zidonghua, 2022
Multi-rotor aircraft has a good application prospect in coal mine production inspection because of its advantages of simple structure, hovering and multi-directional flight.
GUO Aijun   +6 more
doaj   +1 more source

Autonomous cruise method of unmanned surface vessles cluster based on bacterial obstacle avoidance strategy [PDF]

open access: yesZhihui kongzhi yu fangzhen
A dynamic obstacle avoidance algorithm is proposed for the obstacle avoidance problem in the cruise task of unmanned boat cluster. Firstly, the square grid trajectory cell (SGTC) situation matrix of the waters around the unmanned surface vessle is ...
ZHENG Yupeng, DENG Ke, LIU Hao, HU Qizhi
doaj   +1 more source

Research on Trajectory Tracking and Obstacle Avoidance of Nonholonomic Mobile Robots in a Dynamic Environment

open access: yesRobotics, 2020
This paper presents an obstacle-avoidance trajectory tracking method based on a nonlinear model prediction, with a dynamic environment considered in the trajectory tracking of nonholonomic mobile robots for obstacle avoidance.
Kai Zhang, Ruizhen Gao, Jingjun Zhang
doaj   +1 more source

Dynamic Planning for Obstacle Avoidance of Crawler Based on Gaussian Model

open access: yesIEEE Access, 2023
In order to solve the problems of obstacle avoidance planning and trajectory optimization of unmanned platform in hilly orchards, this paper proposes a dynamic planning algorithm based on Gaussian probability model to predict dynamic obstacle behavior ...
Ying Zhao   +5 more
doaj   +1 more source

Obstacle avoidance and formation control of multiple unmanned vehicles in complex environments based on artificial potential field method

open access: yes工程科学学报
Addressing the increasing complexity of tasks, single unmanned vehicles have become unable to meet actual operational requirements, prompting a shift toward multivehicle formation systems.
Yilin MEI   +4 more
doaj   +1 more source

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