Results 41 to 50 of about 948 (172)
Wind Energy, Volume 29, Issue 9, September 2026.ABSTRACT With the development of ultra‐compact wind turbines, the electromechanical coupling dynamic characteristics of integrated gearbox‐generator systems in their drive trains have attracted increasing attention. To reveal these characteristics, an electromechanical coupling dynamic model is established using the lumped parameter method and the ...
Yin Runsheng +3 more
wiley +1 more source
Hard‐Magnetic Soft Millirobots in Underactuated Systems
Advanced Robotics Research, Volume 2, Issue 4, August 2026.This review provides a comprehensive overview of hard‐magnetic soft millirobots in underactuated systems. It examines key advances in structural design, physics‐informed modeling, and control strategies, while highlighting the interplay among these domains.
Qiong Wang +4 more
wiley +1 more source
Modeling and Simulating the Efficiency of Gearboxes and of Planetary Gearboxes [PDF]
, 2002 It is shown how to model and simulate frictional effects present in gearboxes and in planetary gearboxes. This includes modeling of gear wheel stucking and sliding due to Coulomb friction between the gear teeth leading to load torque dependent losses.
Pelchen, Christopher +2 more
openaire +1 more source
Fully 3D‐Printed Wave‐Wound Electromagnetic Motors
Advanced Materials Technologies, Volume 11, Issue 14, 22 July 2026.This work presents the first fully 3D‐printed wave‐wound electromagnetic motors, which are created using conductive nanoparticle inks, carbon‐filled nylon polymers, and surface mount components. These motors can achieve a stall torque of 7.62N·mmA−1$7.62 \nobreakspace N{\cdot }mm A^{-1}$ and efficiency of 28.2 %, which approaches the performance of ...
Joseph Schwalbe +4 more
wiley +1 more source
Analysis of Complex Planetary Gearboxes
Spectrum of Mechanical Engineering and Operational ResearchThe ever-increasing demands for vehicle emission control have resulted in an expansion of planetary gearbox applications in road vehicles, due to their possibility to change the transmission ratio under load in synchronism with engine operation. Modern boxes are designed to extract the maximum number of transmission ratios as possible from the least ...
Željko Vrcan +3 more
openaire +1 more source
Optimized Joint Relay and Antenna Selection for Enhanced Full‐Duplex Relay Networks
Engineering Reports, Volume 8, Issue 7, July 2026.This study proposes a joint relay and antenna selection strategy for full‐duplex amplify‐and‐forward relay networks. By adaptively optimizing transmitter–receiver configurations based on channel conditions, the method reduces self‐interference, lowers outage probability, and symbol error rate, and enhances spectral efficiency, offering a scalable ...
Deepika Rani Sona +3 more
wiley +1 more source
Global Challenges, Volume 10, Issue 7, July 2026.This study reveals that the use phase of diesel engines contributes the greatest environmental burden due to intensive diesel consumption and related emissions. Life‐cycle assessment highlights severe impacts on climate change, fossil fuel depletion, acidification, and particulate pollution, emphasizing the importance of biodiesel integration, hybrid ...
Sanjeev Kumar +8 more
wiley +1 more source
D‐stroi – a uniaxial load frame for X‐ray diffraction and imaging
Journal of Synchrotron Radiation, Volume 33, Issue 4, Page 1152-1158, July 2026.A remote miniature load frame for X‐ray diffraction and imaging applications is presented. The load frame has been assessed for mechanical stability and suitability for various synchrotron X‐ray‐based techniques.We present a remotely controlled miniature load frame for in situ tensile deformation of millimetre‐sized metal samples in synchrotron X‐ray ...
Felix Tristan Frankus +5 more
wiley +1 more source
Conceptual design of planetary gearbox system for constant generator speed in hydro power plant
MATEC Web of Conferences, 2018 Micro Hydro Power Plant (MHPP) is emerging as one of the most clean, renewable and reliable energy technology for harnessing power. In MHPP hydro governors are avoided, that results in turbine speed fluctuation.
Bhargav +3 more
doaj +2 more sources
Applied Sciences, 2020 Planet gear is the most unique dynamic component in planetary gearbox. It rotates around sun gear while rotating around its own central axis, causing modulation effect in monitoring signal.
Jian Shen, Lun Zhang, Niaoqing Hu
doaj +1 more source