Results 91 to 100 of about 244,156 (306)

Research on Underwater Wireless Sensor Network and MAC Protocol and Location Algorithm

IEEE Access, 2019
In recent years, underwater wireless sensor networks (UWSNs) have received extensive attention due to their application in the development of marine resources. The underwater acoustic channel has a long delay, low bandwidth, and highly dynamic changes in
Zhenghao Xi, Xiu Kan, Le Cao, Huaping Liu, Gunasekaran Manogaran, George Mastorakis, Constandinos X. Mavromoustakis   +6 more
doaj   +1 more source

Tumbling Magnetic Microrobots for Targeted In Vivo Drug Delivery in the GI Tract

Advanced Robotics Research, EarlyView.
We introduce a microrobot design and integrated system for on‐demand targeted drug release in the gastrointestinal tract. The microrobot has an embedded magnet for actuation with external magnetic fields and is visualized in real time using ultrasound. It has two drug release ports sealed with a thermally sensitive wax. Local heating of the wax using a
Aaron C. Davis, Luis Carlos Sanjuan Acosta, Shubh P. Mehta, Baiyan Qi, Yang Yang, Luis Solorio, Craig J. Goergen, David J. Cappelleri   +7 more
wiley   +1 more source

Wireless Acoustic Sensor Nodes for Noise Monitoring in the City of Linares (Jaén)

Italian National Conference on Sensors, 2019
Noise pollution is a problem that affects millions of people worldwide. Over the last few years, many researchers have devoted their attention to the design of wireless acoustic sensor networks (WASNs) to monitor the real data of continuous and precise ...
J. Fernández-Prieto, J. C. Bago, M. Gadeo-Martos   +2 more
semanticscholar   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

Advanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi, Hemin Pan, Yang Zong, Yongfeng Mei, Jizhai Cui   +4 more
wiley   +1 more source

Multiple Sound Source Location Estimation in Wireless Acoustic Sensor Networks Using DOA Estimates: The Data-Association Problem

IEEE/ACM Transactions on Audio Speech and Language Processing, 2018
In this paper, we consider the data-association problem for the localization of multiple sound sources in a wireless acoustic sensor network, where each node is a microphone array, using direction of arrival (DOA) estimates.
A. Mouchtaris
semanticscholar   +1 more source

Multimodal Human–Robot Interaction Using Human Pose Estimation and Local Large Language Models

Advanced Robotics Research, EarlyView.
A multimodal human–robot interaction framework integrates human pose estimation (HPE) and a large language model (LLM) for gesture‐ and voice‐based robot control. Speech‐to‐text (STT) enables voice command interpretation, while a safety‐aware arbitration mechanism prioritizes gesture input for rapid intervention.
Nasiru Aboki, Ilche Georgievski, Marco Aiello   +2 more
wiley   +1 more source

An Adaptive OFDMA-Based MAC Protocol for Underwater Acoustic Wireless Sensor Networks

Sensors, 2012
Underwater acoustic wireless sensor networks (UAWSNs) have many applications across various civilian and military domains. However, they suffer from the limited available bandwidth of acoustic signals and harsh underwater conditions.
Issa M. Khalil, Yasser Gadallah, Mohammad Hayajneh, Abdallah Khreishah   +3 more
doaj   +1 more source

Design and implementation of heterogeneous surface gateway for underwater acoustic sensor network

International Journal of Electrical and Computer Engineering (IJECE), 2019
Underwater Acoustic Sensor Networks (UASNs) are used for diverse purposes such as pollution monitoring, disaster prevention and industrial sensing in the oceans.
Jo Youngjun, Sangsoon Lim
semanticscholar   +1 more source

Cross‐Scale Hierarchical Targeted Delivery System Based on Small‐Scale Magnetic Robots

Advanced Robotics Research, EarlyView.
This article reviews a cross‐scale hierarchical targeted delivery system that integrates magnetic continuum robots and magnetic microrobots. By combining rapid long‐range navigation with precise microscale targeting, the system overcomes key limitations of single‐scale approaches.
Junjian Zhou, Zhiqiang Chen, Yuanbiao Ma, Zhiqiang Tang, Qianqian Wang   +4 more
wiley   +1 more source

TinyML-driven Sensor Nodes for Energy-efficient Acoustic Event Detection in Pervasive Acoustic WSNs

Journal of Telecommunications and Information Technology
The process of sensing and transmitting acoustic signals by pervasive acoustic wireless sensor networks (PAWSNs) poses considerable energy challenges. These problems may be mitigated by filtering only relevant acoustic events from the sensor network. By
Bibek B. Roy, Sushovan Das, Uttam Kr. Mondal   +2 more
doaj   +1 more source