Results 141 to 150 of about 21,305 (311)

Electric Propulsion and Hybrid Energy Systems for Solar-Powered UAVs: Recent Advances and Challenges

Drones
Unmanned aerial vehicles (UAVs) are increasingly utilized across civilian and defense sectors due to their versatility, efficiency, and cost-effectiveness. However, their operational endurance remains constrained by limited onboard energy storage. Recent
Norliza Ismail, Nadhiya Liyana Mohd Kamal, Nurhakimah Norhashim, Sabarina Abdul Hamid, Zulhilmy Sahwee, Shahrul Ahmad Shah   +5 more
doaj   +1 more source

Fabric‐Based Wearable Robotic Exoskeleton Gloves: Advancements and Challenges

Advanced 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, Gökhan Ince, Ozgur Atalay   +2 more
wiley   +1 more source

Displaced periodic orbits with low-thrust propulsion

, 2009
Solar sailing and solar electric technology provide alternative forms of spacecraft propulsion. These propulsion systems can enable exciting new space-science mission concepts such as solar system exploration and deep space observation.
Simo, Jules, McInnes, Colin R., McInnes, C.R.   +2 more
core  

Hydrogen–electric–thermal coupling analysis and validation of superconducting turbo-electric hybrid propulsion system

International Journal of Electrical Power & Energy Systems
The superconducting turbo-electric hybrid propulsion system (TEHPS) integrates superconducting technology and hydrogen energy technology, presenting a potential solution to achieve efficient and high-power propulsion.
Mingliang Bai, Wenjiang Yang, Ruopu Zhang, Zibing Qu, Juzhuang Yan   +4 more
doaj   +1 more source

Liquid Metal‐Based Stretchable Strain Sensor for Fruit Growth Monitoring

Advanced Materials Technologies, EarlyView.
Schematic overview of the fruit growth sensor development workflow, including sensor fabrication by injection molding, electromechanical and environmental characterization, mechanical stability testing, electronic readout integration, and outdoor field validation for monitoring of fruit growth under practical orchard conditions.
Asad Ullah, Lennert Purnal, Maximilian Krack, Sander Vijgen, Thijs Vandenryt, Dieter Reenaers, Ronald Thoelen, Wim Deferme   +7 more
wiley   +1 more source

Application of Hybrid-Electric Propulsion to ‘Large-Cabin’ Business Aircraft

World Electric Vehicle Journal
This paper aims to fill a critical cap in hybrid-electric propulsion (HEP) research by investigating the feasibility of its application on a ‘large-cabin’ business aircraft by 2040, for which key requirements are a long range of at least 6297 km (3400 nmi), and a cruise speed of Mach 0.85.
openaire   +1 more source

Flexible 3D Multi‐Material Printing beyond Layer‐by‐Layer Constraints via Sequential Multi‐Printer Fabrication

Advanced Materials Technologies, EarlyView.
We developed a flexible multi‐material printing strategy that employs sequential printing with different printers. This combined use of printers expands the accessible material scope. Moreover, incorporating Xolography as a sequential step enables support‐free, contactless printing, thereby enhancing structural design flexibility beyond conventional ...
Kun Zhou, Cyrille Boyer
wiley   +1 more source

Integrated electrical and mechanical modelling of integrated-full-electric-propulsion systems

, 2007
Integrated Full Electric Propulsion (IFEP) systems are the subject of much interest at present. Current research is focused on analysing and improving aspects of subsystem and system performance. However, there is a great need to look more widely at the `
Apsley, J., Singh, R., Tsoudis, E., Burt, G.M., Norman, P., Smith, A., Schuddebeurs, J., Pilidis, P., Booth, C.D., Barnes, M., McDonald, J.R., Williamson, S.   +11 more
core  

Review of Energy-Efficient Pneumatic Propulsion Systems in Vehicle Applications

Energies
This review comprehensively presents the development of energy-efficient pneumatic propulsion systems (PPSs) in road vehicle applications, which are classified as green vehicles.
Ryszard Dindorf, Jakub Takosoglu
doaj   +1 more source

Magnetic Textiles: A Review of Materials, Fabrication, Properties, and Applications

Advanced Materials Technologies, EarlyView.
Magnetic textiles (M‐textiles) are emerging as a programmable materials platform that merges magnetic matter with hierarchical textile structures. This article consolidates magnetic material classes, textile architectures, and fabrication and magnetization strategies, revealing structure–property–function relationships that govern magneto‐mechanical ...
Li Ke, Moses Kumi, Xiaoming Tao, Junhong Pu   +3 more
wiley   +1 more source