Results 11 to 20 of about 38,058 (217)

A Novel Mooring Tether for Highly-Dynamic Offshore Applications; Mitigating Peak and Fatigue Loads via Selectable Axial Stiffness

open access: yesJournal of Marine Science and Engineering, 2015
Highly-dynamic floating bodies such as wave energy convertors require mooring lines with particular mechanical properties; the mooring system must achieve adequate station keeping whilst controlling mooring tensions within acceptable limits.
Tessa Gordelier   +3 more
doaj   +1 more source

Rapid attitude maneuver of the space tether net capture system using active disturbance rejection control [PDF]

open access: yesMechanical Sciences, 2019
The space tether net capture system is a spacecraft system with a mounting tether net for capturing targets. It has the advantages of reusability and the adaptability to capture varying targets with different geometries or flying-motion statuses. However,
C. Wei, H. Liu, C. Tan, Y. Liu, Y. Zhao
doaj   +1 more source

Development of collaborative system of multicopter and Unmanned-Ground-Vehicle for exploration of the high altitude area in the building (Foldable-Arm-Multicopter and Tethered-Landing-System)

open access: yesNihon Kikai Gakkai ronbunshu, 2016
Since the accident at Fukushima Daiichi Nuclear Power Station in 2011, the robots for exploring the power station buildings have been working and developing.
Seiga KIRIBAYASHI, Keiji NAGATANI
doaj   +1 more source

Speech, language, and hearing function in twins with Alport syndrome: A seven-year retrospective case report

open access: yesJournal of Otology, 2017
Alport syndrome is an X-linked syndrome that results in nephritis, renal failure, sensorineural hearing loss, and eye deficits. As a result of sensorineural hearing loss, these individuals are likely to experience difficulties in the area of speech and ...
Ramesh Kaipa, Hannah Tether
doaj   +1 more source

Dynamic Behavior Analysis and Stability Control of Tethered Satellite Formation Deployment

open access: yesSensors, 2021
In recent years, Tethered Space Systems (TSSs) have received significant attention in aerospace research as a result of their significant advantages: dexterousness, long life cycles and fuel-less engines.
Kangyu Zhang   +4 more
doaj   +1 more source

Experimental investigations on nonlinear mechanical behaviors of Kevlar tether

open access: yesJournal of Engineered Fibers and Fabrics, 2023
A Kevlar tether usually exhibits strong nonlinearity in engineering applications, bringing new challenges to the modeling of tether dynamics. The nonlinear mechanical behaviors, including creep behavior, nonlinear stiffness, hysteresis effect, and ...
Ban Wang, Haozheng Li, Juyong Zhang
doaj   +1 more source

E-sail test payload of the ESTCube-1 nanosatellite [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2014
The scientific mission of ESTCube-1, launched in May 2013, is to measure the electric solar wind sail (E-sail) force in orbit. The experiment is planned to push forward the development of the E-sail, a propulsion method recently invented at the Finnish ...
Jouni Envall   +19 more
doaj   +1 more source

Experimental Examination of Automatic Tether Winding Method Using Kinetic Energy in Tether Space Mobility Device

open access: yesAutomation, 2022
Tethers (strings and wires) are used in various mechanical systems because they are lightweight and have excellent storability. Examples of such systems include elevators and cranes.
Kazuki Nirayama   +3 more
doaj   +1 more source

Tether Space Mobility Device Attitude Control during Tether Extension and Winding

open access: yesMachines, 2018
Recently, advancements in space technology have opened up more opportunities for human beings to work in outer space. It is expected that upsizing of manned space facilities, such as the International Space Station, will further this trend.
Shoichiro Takehara   +2 more
doaj   +1 more source

Epistatic Analysis of the Contribution of Rabs and Kifs to CATCHR Family Dependent Golgi Organization

open access: yesFrontiers in Cell and Developmental Biology, 2019
Multisubunit members of the CATCHR family: COG and NRZ complexes, mediate intra-Golgi and Golgi to ER vesicle tethering, respectively. We systematically addressed the genetic and functional interrelationships between Rabs, Kifs, and the retrograde CATCHR
Shijie Liu   +8 more
doaj   +1 more source

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