Results 71 to 80 of about 5,073 (208)
SmartSys, Volume 1, Issue 4, December 2025.ABSTRACT Real‐time detection of low‐speed motion and precise monitoring of low‐intensity exercise are crucial for smart fitness systems. These capabilities enable continuous data acquisition, capture subtle motion variations for personalized guidance, and enhance training effectiveness while reducing the risk of injury. However, conventional rotational
Xiaohui Lu +12 more
wiley +1 more source
Applied SciencesMagnetic gears (MGs) are attracting increasing attention in power transmission systems due to their contactless operation principles, low frictional losses, and high efficiency.
Serkan Sezen +4 more
doaj +1 more source
Wearable, small, and robust: the circular quarter-mode textile antenna [PDF]
, 2015 A miniaturized wearable antenna, entirely implemented in textile materials, is proposed that relies on a quarter-mode substrate integrated waveguide topology.
Agneessens, Sam +3 more
core +1 more source
A Roadmap for Plasma‐Enabled Electrocatalysis in Urea Production
Advanced Materials, Volume 37, Issue 43, October 29, 2025.A modular plasma—electrochemical platform enables fully electrified urea synthesis from air and CO2 under ambient conditions. This Review integrates plasma oxidation, C─N coupling electrolysis, mechanistic insights, and techno‐economic metrics into a roadmap for scalable, distributed, and renewable fertilizer production.
Jingwen Huang +6 more
wiley +1 more source
Energies, 2020 The paper presents an analysis of local and global forces acting on the ferromagnetic material of a modulator in a co-axial magnetic gear, taking several design variants and the impact of loading into account.
Marcin Kowol +4 more
doaj +1 more source
Surrogate-Based Multi-Objective Optimization of Flux-Focusing Halbach Coaxial Magnetic Gear
EnergiesDue to their contact-free and low-maintenance features, magnetic gears (MGs) have been increasingly investigated to amplify the torque of electric motors in electric vehicles (EVs).
Aran Shoaei +2 more
doaj +1 more source
Efficiency Improvement Strategy for Multiple Operating Points in Doubly Fed Magnetic Geared Motor
Applied Sciences, 2020 The doubly fed magnetic geared motor, which has dual AC windings, can be operated with different frequencies in the inner and outer windings. However, the inner and outer windings have different numbers of pole pairs to meet the pole combination derived ...
Homin Shin, Junghwan Chang
doaj +1 more source
Ultra high resolution stepper motors design, development, performance and application [PDF]
, 1979 The design and development of stepper motors with steps in the 10 arc sec to 2 arc min range is described. Some of the problem areas, e.g. rotor suspension, tribology aspects and environmental conditions are covered.
Moll, H., Roeckl, G.
core +1 more source
A V‐Shaped In‐Pipe Robot to Travel Through Complex Winding Pathways in Three Dimensions
Journal of Field Robotics, Volume 42, Issue 5, Page 1808-1825, August 2025.ABSTRACT This paper presents a V‐shaped gas pipeline inspection robot which achieves high roll rotation performance, out‐of‐plane double elbow travel performance, and inverted siphon adaptability at high speed without requiring complicated manual operation. The principle for traveling through the out‐of‐plane double elbow was theoretically demonstrated
Atsushi Kakogawa +3 more
wiley +1 more source
Variable angle photoelectron spectrometer [PDF]
, 1977 The design, construction, and performance of a spectrometer for measuring the angular and energy distributions of electrons photoejected by rare gas resonance light is described. Results using 584.4‐Å photons from a helium lamp are reported.
Kuppermann, Aron +2 more
core +1 more source