Results 131 to 140 of about 381,789 (309)

Diagnostics of hydraulic cylinders of road building machines using hydraulic support

open access: yesTractors and Agricultural Machinery
BACKGROUND: The efficiency of operation of hydroficated machines significantly depends on the availability of modern methods and means of diagnosing machines in general and hydraulic systems in particular. The parameters of hydraulic systems of technological machines that change during operation are evaluated by various diagnostic methods that have ...
Alexander P. Miller, Konstantin G. Pugin
openaire   +1 more source

Smart Closed‐Loop Systems in Personalized Healthcare: Advances and Outlook

open access: yesAdvanced Materials Technologies, EarlyView.
A smart closed‐loop e‐textile integrates multimodal sensing, onboard processing, wireless communication, and wearable power to enable real‐time physiological/biochemical monitoring and feedback‐controlled therapy. ABSTRACT Smart textiles represent a revolutionary frontier in healthcare, seamlessly blending fabric and advanced technologies to create ...
Safoora Khosravi   +12 more
wiley   +1 more source

Rehabilitation robot cell for multimodal standing-up motion augmentation [PDF]

open access: yes, 2005
The paper presents a robot cell for multimodal standing-up motion augmentation. The robot cell is aimed at augmenting the standing-up capabilities of impaired or paraplegic subjects.
Bajd, T.   +3 more
core  

Test study on impact resistance of hydraulic support based on energy-absorbing material

open access: yesMeikuang Anquan
The application of energy-absorbing material on the top beam of the hydraulic support can effectively improve its impact resistance under instantaneous dynamic loading.
Shiwei LI   +5 more
doaj   +1 more source

Fabric‐Based Wearable Robotic Exoskeleton Gloves: Advancements and Challenges

open access: yesAdvanced Materials Technologies, EarlyView.
This review highlights interdisciplinary technological advances in fabric‐based robotic gloves, focusing on progress in design, fabrication, actuation, sensing, control, and power and energy requirements. It also addresses performance testing and validation, including biomechanical, strength, functional, user experience, and durability assessments, to ...
Ayse Feyza Yilmaz   +2 more
wiley   +1 more source

Advanced Solar Power Systems [PDF]

open access: yes, 1984
The Advanced Solar Power System (ASPS) concentrator uses a technically sophisticated design and extensive tooling to produce very efficient (80 to 90%) and versatile energy supply equipment which is inexpensive to manufacture and requires little ...
Atkinson, J. H., Hobgood, J. M.
core   +1 more source

Ultrafast (1‐5 sec) Lamination of Perovskite Solar Cells With Self‐Encapsulation Using Rapid Joule Heating

open access: yesAdvanced Materials Technologies, EarlyView.
Halide perovskite solar cells are fabricated with self‐encapsulation by lamination between two glass substrates using rapid Joule heating, yielding a 99% reduction in lamination time compared to previous studies. An 18% efficient cell is laminated in 5 s, demonstrating the potential for scalable manufacturing. ABSTRACT Perovskite solar cells (PSCs) are
Oluka Okia   +9 more
wiley   +1 more source

STS payload ground handling mechanism at John F. Kennedy Space Center [PDF]

open access: yes, 1985
The payload ground handling mechanism (PGHM), which lifts payloads out of the payload canister that brings them to the launch pad, is described. The PGHM then loads the payloads into the orbiter through the open payload bay doors.
Cassisi, V., Tatem, B. C., Jr.
core   +1 more source

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