Results 71 to 80 of about 993 (264)

Soft Robotic Snake with Tunable Undulatory Gait for Efficient Underwater Locomotion

open access: yesAdvanced Robotics Research, EarlyView.
This study designs an underwater soft snake robot using 3D‐printed soft actuators, controlled by specific signals to generate sinusoidal undulation. Results show a positive correlation between speed and swing amplitude, with optimal performance at 2/3π phase offset, PLA tail, 1.2 voltage growth rate, and 6s undulation period achieving a maximum speed ...
Huichen Ma, Junjie Zhou, Raye Yeow
wiley   +1 more source

Characteristics of trawling forces on submarine pipelines by fishing vessel trawl gear

open access: yesUrban Lifeline
As vital infrastructure for offshore energy transportation, submarine pipelines face significant safety challenges from fishing vessel trawl operations. This study analyzes towing force characteristics of trawl gear on submarine pipelines to assess their
Zhida Yuan   +2 more
doaj   +1 more source

The Application Of Acoustic Detection Technology In The Investigation Of Submarine Pipelines

open access: yesJournal of Applied Science and Engineering
The submarine pipeline (SP) off the southwestern coast of Taiwan was surveyed using a high-resolution subbottom profiler (SBP), a magnetometer, and dual-frequency side-scan sonar (SSS).
Keming Wang, Wenbing Jin
doaj   +1 more source

Hydrodynamics of submarine pipelines

open access: yes, 1991
The primary objective of this study is to obtain an improved understanding on local scour submarine pipelines. Experiments have shown how local scour develops around submarine pipelines in non-cohesive sediments.
Chiew, Yee Meng., Chen, Charng Ning.
openaire   +1 more source

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

open access: yesAdvanced 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   +5 more
wiley   +1 more source

Compliant Pneumatic Feet with Real‐Time Stiffness Adaptation for Humanoid Locomotion

open access: yesAdvanced Robotics Research, EarlyView.
A compliant pneumatic foot with real‐time variable stiffness enables humanoid robots to adapt to changing terrains. Using onboard vision and pressure control, the foot modulates stiffness within each gait cycle, reducing impact forces and improving balance. The design, cast in soft silicone with embedded air chambers and Kevlar wrapping, offers durable,
Irene Frizza   +3 more
wiley   +1 more source

Cleaning Capacity Analysis of Foam Pig in Submarine Pipeline

open access: yesShiyou jixie, 2018
Elliptical submarine pipeline may reduce the contact area with the pig and thus affect the sealing effect, resulting in inferior cleaning effect. To analyze the cleaning capacity of the foam pig in the submarine pipeline, taking the foam pig cleaning ...
Wei Yungang   +3 more
doaj  

Challenges and Future Directions in Assessing the Quality and Completeness of Advanced Materials Safety Data for Re‐Usability: A Position Paper From the Nanosafety Community

open access: yesAdvanced Sustainable Systems, EarlyView.
Nanosafety data provide a guiding example for establishing best practices in data management, aligning with FAIR principles and quality criteria. This review explores existing quality assessment approaches for reliability, relevance, and completeness, emphasizing the need for harmonization and adaptation to nanomaterials and advanced materials. The aim
Verónica I. Dumit   +43 more
wiley   +1 more source

Numerical simulation of high-pressure CO2 pipeline venting and safe release

open access: yesYou-qi chuyun
[Objective] Carbon capture, utilization and storage(CCUS) is an indispensable technology for achieving carbon neutrality,and CO2 pipeline transmission is a significant component of this technology.
LIU Xin   +7 more
doaj   +1 more source

Machine‐Learning Decomposition Identifies a Big Two Structure in Human Personality with Distinct Neurocognitive Profiles

open access: yesAdvanced Science, EarlyView.
Using machine learning on a mega‐scale global dataset (n = 1,336,840) reveals a robust personality trait architecture beyond the Big Five. A Big Two model, broadly capturing social engagement and internal mentation, defines a geometric space that links personality to neurocognitive profiles.
Kaixiang Zhuang   +7 more
wiley   +1 more source

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