Results 41 to 50 of about 3,762 (261)

Acoustic Wave Reflection in Water Affects Underwater Wireless Sensor Networks

Sensors, 2023
The phenomenon of acoustic wave reflection off fluid–solid surfaces is the focus of this research. This research aims to measure the effect of material physical qualities on oblique incidence acoustic attenuation across a large frequency range.
Kaveripakam Sathish, Monia Hamdi, Ravikumar Chinthaginjala Venkata, Mohammad Alibakhshikenari, Manel Ayadi, Giovanni Pau, Mohamed Abbas, Neeraj Kumar Shukla   +7 more
doaj   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

Advanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu, Bin Cui, Xumin Huang, Xiaoyu (Rayne) Zheng, T. Thang Vo‐Doan, Ruirui Qiao   +5 more
wiley   +1 more source

Single-Mode Wild Area Surveillance Sensor With Ultra-Low Power Design Based on Microphone Array

IEEE Access, 2019
Acoustic sensors are used as an important sensor component in wireless sensor networks (WSNs) for wild environmental monitoring, because of its small size, light weight, and low power consumption.
Huawei Liu, Jun Shi, Jingchang Huang, Qianwei Zhou, Shuang Wei, Baoqing Li, Xiaobing Yuan   +6 more
doaj   +1 more source

Connectivity on Underwater MI-Assisted Acoustic Cooperative MIMO Networks

Sensors, 2020
In traditional underwater wireless sensor networks (UWSNs), it is difficult to establish reliable communication links as the acoustic wave experiences severe multipath effect, channel fading, and ambient noise.
Qingyan Ren, Yanjing Sun, Yu Huo, Liang Zhang, Song Li   +4 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

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

A cluster based routing for maximizing the lifetime of underwater wireless sensor network using gravitational search algorithm

Results in Engineering
Underwater Wireless Sensor Networks (UWSN) is a type of Wireless Sensor Network that branches from Ad Hoc networks. This type of network is designed to investigate and explore underwater environments and oceans.
Shyamsundar R, Harshavarthan M, Shankar Thangavelu   +2 more
doaj   +1 more source

A Co-Design-Based Reliable Low-Latency and Energy-Efficient Transmission Protocol for UWSNs

Sensors, 2020
Recently, underwater wireless sensor networks (UWSNs) have been considered as a powerful technique for many applications. However, acoustic communications in UWSNs bring in huge QoS issues for time-critical applications.
Xiaohui Wei, Hao Guo, Xingwang Wang, Xiaonan Wang, Chu Wang, Mohsen Guizani, Xiaojiang Du   +6 more
doaj   +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

EH-DBR: Energy Harvesting Depth Based Routing for Underwater Sensor Networks

EAI Endorsed Transactions on Energy Web, 2018
Wireless sensor networks (WSNs) are network of physical small sensors which are interconnected through wireless links. WSNs are ubiquitous in diverse types of environment such as air interface and underwater acoustic communication.
M.Nouman Khan, Zahid Wadud, Aisha Khalid, Sheeraz Ahmed, Nadeem Javaid, Abdul Hafeez   +5 more
doaj   +1 more source