Results 11 to 20 of about 5,865 (215)

An Enhanced A*-DWA Fusion Algorithm for Robot Navigation in Complex Environments. [PDF]

Biomimetics (Basel)
To tackle the navigation challenge in dynamic and complex environments, this study designs a fusion planning framework that synergistically integrates enhanced A* algorithm with improved DWA, inspired by the biological dual-layer navigation mechanism of global path planning and local real-time obstacle avoidance.
Bao H, Fang J, Fang M, Zhang J, Zhang Z, Cai H.   +5 more
europepmc   +5 more sources

UAV Path Planning Based on Improved A∗ and DWA Algorithms [PDF]

International Journal of Aerospace Engineering, 2021
This work proposes a path planning algorithm based on A∗ and DWA to achieve global path optimization while satisfying security and speed requirements for unmanned aerial vehicles (UAV).
Xiong Bai, Haikun Jiang, Junjie Cui, Kuan Lu, Pengyun Chen, Ming Zhang   +5 more
doaj   +2 more sources

Path Planning of Self-driving Vehicles Combining Ant Colony and DWA Algorithms in Complex Dense Obstacles

EAI Endorsed Transactions on Energy Web
INTRODUCTION: To solve the problems of low quality and weak global optimization of the DWA algorithm, especially the problems of unreasonable path planning and the inability to give consideration to speed and driving safety in the process of vehicles ...
Jing Niu, Chuanyan Shen, Jiapei Wei, Shifeng Liu, Cheng Lin   +4 more
doaj   +3 more sources

Path planning of quadruped robot for urban natural gas pipe leakage inspection based on optimized RRT* and DWA algorithms [PDF]

International Journal of Metrology and Quality Engineering
The leakage of urban natural gas pipes may cause significant safety hazards and economic losses. Autonomous inspection of these pipes using quadruped robots is an effective inspection method. This paper proposes a hybrid algorithm combining optimized RRT*
Wu Yuhang, Wang Qiang, Xiao Yao, Song Yun, Mao Wei, Wang Peng   +5 more
doaj   +2 more sources

Robot path planning by integrating improved A* algorithm and DWA algorithm [PDF]

Journal of Physics: Conference Series, 2023
Abstract Traversing many nodes, low search efficiency, path slanting through obstacles, many path redundancy points, and the inability of dynamic real-time obstacle avoidance are all typical problems of A* algorithm. In this paper, A robot path planning method combining improved A* algorithm and DWA algorithm is proposed.The ratio of the
Mengqi Jin, Hanxi Wang
openalex   +2 more sources

Robot Path Planning Research Incorporating Improved A* Algorithm and DWA Algorithm

Information Technology and Control, 2023
For the traditional A* algorithm has problems such as long paths, large number of nodes, and the demand for dynamic obstacle cannot be avoided in complex environment. A mobile robot dynamic path avoidance method will be improved to improve the A * algorithm and improve DWA algorithm Two map environments are used for simulation verification.
Shiya Qu, Guang Feng, Yuhang Jiang, Chunyu Han, Dingyuan Hu, Hongbin Liang   +5 more
openalex   +3 more sources

LLM-DWA: a hybrid path planning framework combining large language models with the dynamic window approach [PDF]

Scientific Reports
This research addresses the local minima problem in the Dynamic Window Approach (DWA) algorithm. The conventional DWA, which does not incorporate prior environmental knowledge, often exhibits degraded goal-reaching performance in complex scenarios, such ...
Jeonghee Seo, Eunsung Kim, Andrew Jaeyong Choi   +2 more
doaj   +2 more sources

A hybrid RRT-DWA path planning framework for UAVs in dynamic environments [PDF]

Scientific Reports
To address the limitations of single-path planning algorithms in dynamic and complex environments, this paper proposes a hybrid planning framework that integrates global and local planning using a combination of Rapidly-exploring Random Tree (RRT) and ...
Qiang Han, Xingyuan Ma, Jilong Liu, Hanlin Liu, Yuehao Yan, Qianguo Yang   +5 more
doaj   +2 more sources

Path Planning of Mobile Robot Based on A Star Algorithm Combining DQN and DWA in Complex Environment [PDF]

Applied Sciences
The path planning algorithm not only ensures that the mobile robot can avoid obstacles to reach the target point at a safe speed but also ensures that the mobile robot can quickly adapt to the complex changing environment.
Yilin Zhang, Chang Cui, Qiang Zhao
doaj   +2 more sources

An A*-MPPO-DWA path planning algorithm for autonomous underwater vehicle

International Journal of Advanced Robotic Systems
Autonomous underwater vehicles (AUVs) are seeing increasingly widespread adoption in marine exploration, search and rescue, and military applications. As a core enabling technology, underwater path planning faces significant challenges, in this article ...
Qi Chen, Daqi Zhu, Mingzhi Chen
doaj   +2 more sources