Results 51 to 60 of about 16,225 (252)

Advanced Ceramics in Aerospace and Defense: The Interrelationship between Traditional and Additive Manufacturing Approaches

Advanced Materials Technologies, EarlyView.
Additive manufacturing revolutionizes production by enabling on‐demand, customized, and sustainable manufacturing with streamlined supply chains. While metal and polymer AM are well‐established, advanced ceramic AM is rapidly emerging, overcoming traditional material challenges.
Kateryna Oleksandrivna Shvydyuk, Senentxu Lanceros‐Mendez, Abílio Pereira Silva   +2 more
wiley   +1 more source

Multi‐Material Additive Manufacturing of Soft Robotic Systems: A Comprehensive Review

Advanced Robotics Research, EarlyView.
This review explores the transformative role of multi‐material additive manufacturing (MMAM) in the development of soft robotic systems. It presents current techniques, materials, and design strategies that enable functionally graded and adaptive structures.
Ritik Raj, Quan‐Chen Song, Jia‐Yang Juang   +2 more
wiley   +1 more source

An Analysis of Fundamental Waffle Mode in Early AEOS Adaptive Optics Images

, 2005
Adaptive optics (AO) systems have significantly improved astronomical imaging capabilities over the last decade, and are revolutionizing the kinds of science possible with 4-5m class ground-based telescopes.
Anand Sivaramakrishnan, Ben R. Oppenheimer, Fried D. L., Fried D. L., Glindemann A., James R. Graham, Lewis C. Roberts, Jr., Marshall D. Perrin, Porro I. L., Roddier F., Russell B. Makidon, Rémi Soummer, Sandler D. G., Teague M. R., Verinaud C.   +14 more
core   +1 more source

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

Advanced 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, Bin Cui, Xumin Huang, Xiaoyu (Rayne) Zheng, T. Thang Vo‐Doan, Ruirui Qiao   +5 more
wiley   +1 more source

Control limitations from distributed sensing: theory and Extremely Large Telescope application [PDF]

, 2013
We investigate performance bounds for feedback control of distributed plants where the controller can be centralized (i.e. it has access to measurements from the whole plant), but sensors only measure differences between neighboring subsystem outputs ...
Sarlette, Alain, Sepulchre, Rodolphe
core   +1 more source

Subvoxel Control of Fiber Orientation via Multidirectional Shearing in 3D Printing

Advanced Science, EarlyView.
A novel 3D printing technique enables subvoxel control of fiber orientation in all three directions through multidirectional shearing using nozzle rotation and inclination. It allows localized and tunable mechanical and thermal responses through programmable microstructures within a strand.
Berin Šeta, Marco Brander, Michael Sandberg, Md. Tusher Mollah, Vipin Kumar, Jon Spangenberg   +5 more
wiley   +1 more source

4D Printing of Magnetically Responsive Shape Memory Polymers: Toward Sustainable Solutions in Soft Robotics, Wearables, and Biomedical Devices

Advanced Science, EarlyView.
Merging 4D printing with magneto‐responsive shape memory polymers opens new avenues for intelligent, reconfigurable systems. This review navigates cutting‐edge fabrication techniques, magnetic fillers, and smart polymer matrices, unveiling their potential in soft robotics, biomedical devices, and wearable tech.
Kiandokht Mirasadi, Mohammad Amin Yousefi, Liuchao Jin, Davood Rahmatabadi, Majid Baniassadi, Wei‐Hsin Liao, Mahdi Bodaghi, Mostafa Baghani   +7 more
wiley   +1 more source

Local, hierarchic, and iterative reconstructors for adaptive optics [PDF]

, 2003
Adaptive optics systems for future large optical telescopes may require thousands of sensors and actuators. Optimal reconstruction of phase errors using relative measurements requires feedback from every sensor to each actuator, resulting in ...
MacMartin, Douglas G.
core   +1 more source

A Pull‐Out Mooring Wave Energy Converter: Design, Analysis, and Application

Advanced Science, EarlyView.
A pull‐out mooring wave energy converter (POM‐WEC) with a high‐performance electromagnetic power take‐off system efficiently converts low‐frequency wave excitation into high‐speed rotor motion, enabling reliable energy harvesting in real marine environments.
Weihan Xu, Junru Chen, Shanghao Gu, Xingya Feng, Fei Wang   +4 more
wiley   +1 more source

Apodized-pupil Lyot coronagraphs: multistage designs for extremely large telescopes [PDF]

, 2010
Earlier apodized-pupil Lyot coronagraphs (APLC) have been studied and developed to enable high-contrast imaging for exoplanet detection and characterization with present-day ground-based telescopes.
Aime, Aime, Martinez, Martinez, Martinez, Martinez, P. Martinez, Soummer, Soummer, Soummer, Soummer   +10 more
core   +1 more source