Results 31 to 40 of about 198,657 (297)

Spectral Domain Sparse Representation for DOA Estimation of Signals with Large Dynamic Range

Sensors, 2021
Recently, we proposed a Spectral Domain Sparse Representation (SDSR) approach for the direction-of-arrival estimation of signals incident to an antenna array. In the approach, sparse representation is applied to the conventional Bartlett spectra obtained
Jacob Compaleo, Inder J. Gupta
doaj   +1 more source

Faster Implementation of The Dynamic Window Approach Based on Non-Discrete Path Representation

Mathematics, 2023
The dynamic window approach (DWA) serves as a pivotal collision avoidance strategy for mobile robots, meticulously guiding a robot to its target while ensuring a safe distance from any perceivable obstacles in the vicinity. While the DWA has seen various
Ziang Lin, Ryo Taguchi
doaj   +1 more source

Risk-Adaptive Dynamic Window Approach for Mobile Robot Navigation

IEEE Access
Local navigation in cluttered and dynamic environments remains a persistent challenge for mobile robots. Classical Dynamic Window Approach (DWA) planners use fixed objective weights, which makes their behavior highly sensitive to obstacle density and ...
Mohamed H. Abdullah, Mohammad A. Jaradat, Bara J. Emran   +2 more
doaj   +1 more source

Formation Control and Obstacle Avoidance Algorithm of a Multi-USV System Based on Virtual Structure and Artificial Potential Field

Journal of Marine Science and Engineering, 2021
This paper proposes a formation generation algorithm and formation obstacle avoidance strategy for multiple unmanned surface vehicles (USVs). The proposed formation generation algorithm implements an approach combining a virtual structure and artificial ...
Xun Yan, Dapeng Jiang, Runlong Miao, Yulong Li   +3 more
doaj   +1 more source

Construction of Novel Self-Adaptive Dynamic Window Approach Combined With Fuzzy Neural Network in Complex Dynamic Environments

IEEE Access, 2022
The traditional Dynamic Window Approach (DWA) with constant weight values of the evaluation function leads to the inability of obstacle avoidance for the Automated Guided Vehicles (AGV) to perform obstacle avoidance and path planning in the complex ...
Dian Yang, Chen Su, Hang Wu, Xinxi Xu, Xiuguo Zhao   +4 more
doaj   +1 more source

Mobile Robot Path Planning Based on Improved Particle Swarm Optimization and Improved Dynamic Window Approach

, 2023
To enable mobile robots to effectively complete path planning in dynamic environments, a hybrid path planning method based on particle swarm optimization (PSO) and dynamic window approach (DWA) is proposed in this paper. First, an improved particle swarm
Ning Li, Zhenjian Yang, Yunjie Zhang, Jin Li   +3 more
core   +1 more source

Dual-mode dynamic window approach to robot navigation with convergence guarantees [PDF]

Journal of Control and Decision, 2020
In this paper, a novel, dual-mode model predictive control framework is introduced that combines the dynamic window approach to navigation with reference tracking controllers. This adds a deliberative component to the obstacle avoidance guarantees present in the dynamic window approach as well as allow for the inclusion of complex robot models.
openaire   +2 more sources

Organoids in pediatric cancer research

FEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Improved Exponential and Cost-Weighted Hybrid Algorithm for Mobile Robot Path Planning

Sensors
The A* algorithm is widely used in mobile robot path planning; however, it faces challenges such as unsmooth planned paths, redundant nodes, and extensive search areas.
Ming Hu, Shuhai Jiang, Kangqian Zhou, Xunan Cao, Cun Li   +4 more
doaj   +1 more source

Reciprocal control of viral infection and phosphoinositide dynamics

FEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source