Results 91 to 100 of about 18,223 (315)
A Review on Sensor Technologies, Control Approaches, and Emerging Challenges in Soft Robotics
Advanced Robotics Research, EarlyView.This review provides an introspective of sensors and controllers in soft robotics. Initially describing the current sensing methods, then moving on to the control methods utilized, and finally ending with challenges and future directions in soft robotics focusing on the material innovations, sensor fusion, and embedded intelligence for sensors and ...
Ean Lovett +5 more
wiley +1 more source
TIME-VARYING DOPPLER COMPENSATION FOR UNDERWATER ACOUSTIC COMMUNICATION
, 2017 This thesis focuses on time-varying Doppler compensation for underwater acoustic communications using an orthogonal frequency division multiplexing (OFDM) system.
Mirhedayati Roudsari, Seyedhabib
core
Advanced Robotics Research, EarlyView.Embedded flexible sensing technologies advance underwater soft robotics, yet most systems still suffer from hysteresis and limited perceptiveness. Instead, vision‐based tactile sensors provide reliable and rapid feedback essential for complex underwater tasks.
Qiyi Zhang +5 more
wiley +1 more source
IEEE Access, 2019 Orthogonal frequency division multiplexing (OFDM) provides an effective approach to combat multipath with high bandwidth efficiency for underwater acoustic communication, thus design and implementation of acoustic OFDM MODEMs draw more and more attention.
Yuehai Zhou, Feng Tong
doaj +1 more source
Environmental-friendly underwater acoustic communication and networks
, 2012 Intense harvesting of ocean resources extended exploitation activities to previously unexplored open ocean areas, to greater ocean depths and to remote polar regions. Such activities include, but are not limited to, energy, geology and fisheries.
Jesus, S. M.
core
ORTHOGONAL CHIRP DIVISION MULTIPLEXING TO IMPROVE RELIABILITY OF UNDERWATER ACOUSTIC COMMUNICATION
, 2023 An investigation comparing underwater acoustic Orthogonal Chirp Division Multiplexing to Orthogonal Chirp Division Multiplexing, as well as a look at how doppler spreading affects multicarrier modulation underwater.Covert underwater communication methods
Ferguson, Cole
core
A Secure Communication Suite for Underwater Acoustic Sensor Networks [PDF]
, 2012 In this paper we describe a security suite for Underwater Acoustic Sensor Networks comprising both fixed and mobile nodes. The security suite is composed of a secure routing protocol and a set of cryptographic primitives aimed at protecting the ...
Dini, Gianluca +4 more
core +1 more source
Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots
Advanced Robotics Research, EarlyView.Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley +1 more source
Polar Coded Non-Coherent Acoustic Underwater Communication
, 2021 Two MFSK modulation methods with time-frequency guards, using an LLR-based List Polar Decoder, are investigated for application to the underwater acoustic channel.
Viktor Lidstrom, Lidström, Viktor,
core +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 +7 more
wiley +1 more source