Results 101 to 110 of about 34,708 (330)

Multi‐Material Gradient Printing Using Meniscus‐enabled Projection Stereolithography (MAPS)

open access: yesAdvanced Materials Technologies, Volume 10, Issue 6, March 18, 2025.
MAPS is a new vat‐free printing technique that utilizes programmed delivery of resin droplets with custom formulations to enable multi‐material gradient printing of 3D structures with user‐defined variations in mechanical stiffness, opacity, surface energy, cell densities, and magnetic properties. Abstract Light‐based additive manufacturing methods are
Puskal Kunwar   +10 more
wiley   +1 more source

Soft Electromagnetic Actuator and Oscillator

open access: yesAdvanced Materials Technologies, Volume 10, Issue 6, March 18, 2025.
This work presents a groundbreaking soft electromagnetic system capable of bistable actuation and self‐regulated oscillation. Using liquid metal and silicone as a compliant conductor, the actuator enables force generation, sensing, and feedback with minimal power.
Noah D. Kohls, Yi Chen Mazumdar
wiley   +1 more source

Inspection of Undersea Oil and Gas Pipelines by New Variable Thrust Vector Underwater Robotic Platform

open access: yesنشریه مهندسی دریا, 2017
This paper presents a special underwater robot for subsea pipelines inspection which is used to transport extracted oil and gas from oil platforms to onshore facilities. Due to the high pressure in the deep sea and the long pipelines, it is impossible to
Ali Kadkhodaei, Reza Hasanzadeh Ghasemi
doaj  

4D Bioprinted Self‐Folding Scaffolds Enhance Cartilage Formation in the Engineering of Trachea

open access: yesAdvanced Materials Technologies, Volume 10, Issue 6, March 18, 2025.
A bilayer self‐folding scaffold, triggerable by humidity, is fabricated via 4D bioprinting for trachea engineering. An analytical model is derived to predict its radius of curvature, enabling its scalability. Cartilage progenitor cells seeded on the scaffold perceive scaffold final curvature and react to it, by enhancing the upregulation of pro ...
Irene Chiesa   +4 more
wiley   +1 more source

A Customisable Underwater Robot

open access: yes, 2017
We present a model of a configurable underwater drone, whose parts are optimised for 3D printing processes. We show how - through the use of printable adapters - several thrusters and ballast configurations can be implemented, allowing different maneuvering possibilities. After introducing the model and illustrating a set of possible configurations, we
Schillaci, Guido   +2 more
openaire   +2 more sources

Multiplexed Luminal Tissue Constructs with Reconfigurable Barriers for Dynamic Modeling of Multi‐Tissue Interactions

open access: yesAdvanced Materials Technologies, EarlyView.
This study describes the fabrication of arrays of luminal tissue constructs for 3D luminal tissue modeling. An oil or media‐filled reservoir between constructs serves as a liquid barrier or bridge to regulate communication between lumens within the array for modeling multi‐tissue interactions in vitro. Abstract Cell‐lined luminal structures are crucial
Mouhita Humayun   +9 more
wiley   +1 more source

A Literature Analysis-Based Study on Advances in Underwater Multi-Robot Pursuit-Evasion Problems

open access: yes水下无人系统学报
Investigating the applications and challenges of multi-robot pursuit-evasion problems in underwater environments holds significant importance for enhancing the autonomous decision-making and collaborative capabilities of underwater robot systems.
Zhenkun LEI, Mingzhi CHEN, Daqi ZHU
doaj   +1 more source

Appearance-based odometry and mapping with feature descriptors for underwater robots [PDF]

open access: diamond, 2009
Sílvia Silva da Costa Botelho   +4 more
openalex   +1 more source

Photothermomechanically Efficient, Low‐Cost, High‐Cycle‐Life, Hybrid MXene‐Polymer Actuators

open access: yesAdvanced Materials Technologies, EarlyView.
The addition of MXenes to elastomer‐plastic‐paper films enables the creation of easily prepared actuators that are scalable for small robotic applications. Known as MXene‐polymer Trilayer Actuators (MPTAs), they bend from UV light. Their usefulness is demonstrated through kirigami‐inspired flower‐shaped art design, parallel manipulator for waveguiding,
Ken Iiyoshi   +6 more
wiley   +1 more source

MGC-YOLO: Underwater Biomimetic Shrimp With Foreign Object Recognition

open access: yesIEEE Access
We propose a low-cost, small-volume, and easy-to-use underwater bionic robot shrimp to solve the problem of complex underwater scenes and the limited ability of target feature extraction.
Ying Tang   +4 more
doaj   +1 more source

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