Results 91 to 100 of about 91,060 (357)

Research on Characteristics of Barrel Synchronous Permanent Magnet Couplers for Direct-drive Systems of Coal Mines

open access: yesMeikuang Anquan, 2020
Based on the 185 kW motor drive system, the transmission performance is studied about the double permanent magnet disc synchronous couplers without isolation sleeves applied in mine direct-drive motor systems.
WANG Lei
doaj   +1 more source

Performance comparison between Surface Mounted and Interior PM motor drives for Electric Vehicle application [PDF]

open access: yes, 2012
Electric Vehicles make use of permanent magnet synchronous traction motors for their high torque density and efficiency. A comparison between interior permanent magnet (IPM) and surface mounted permanent magnet (SPM) motors is carried out, in terms of ...
Paolo Guglielmi   +8 more
core   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane   +4 more
wiley   +1 more source

Benchmarking Coaxial and Angular Optical Emission Spectroscopy With Recommendations for Reliable Compositional In Situ Monitoring During Laser Powder Bed Fusion

open access: yesAdvanced Materials Technologies, EarlyView.
ABSTRACT Real‐time insight into local chemistry is critical for reliable part quality in additive manufacturing, especially laser powder bed fusion (PBF‑LB/M), where rapid thermal cycles and localized evaporation can undermine part performance. Optical emission spectroscopy (OES) offers non‑intrusive, in situ plume monitoring, but detection geometry ...
Philipp Gabriel   +4 more
wiley   +1 more source

Design of JD155 Permanent Magnet Synchronous Traction Motor for Metro Vehicle

open access: yesKongzhi Yu Xinxi Jishu, 2012
This paper describes the design method based on multi-physics coupling simulation of permanent magnet synchronous traction motor for rail transit. Taking JD155 permanent magnet synchronous traction motor for Shenyang Metro Line 2 as an example, it ...
FU Minli, HE Siyuan, LI Yifeng, PENG jun
doaj  

Modeling and simulation of double-rotor pemanent magnet synchronous motor control

open access: yesDianzi Jishu Yingyong, 2018
Aiming at the shortcomings of traditional PID control method, such as parameter perturbation and poor anti-jamming ability of double-rotor permanent magnet synchronous motor, a single neuron fuzzy PID control method is proposed.
Zhou Wangping, Rui Zhenlei, Tian Yan
doaj   +1 more source

Hierarchical Multi‐Material Architectures With Gradient Design for Dynamic‐Range Flexible Tactile Sensing

open access: yesAdvanced Materials Technologies, EarlyView.
Hierarchical multi‐material TPMS lattices are engineered as flexible tactile sensors by combining soft and stiff elastomeric layers with a conformal conductive coating. The bilayer architecture delivers sensitivity at low pressures while maintaining a broad detectable range under large loads, enabling reliable pressure and vibration monitoring for ...
Reza Noroozi   +3 more
wiley   +1 more source

Nonlinear adaptive observer for sensorless passive control of permanent magnet synchronous motor

open access: yesJournal of King Saud University: Engineering Sciences, 2020
This paper presents an adaptive nonlinear observer for sensorless passivity based control applied to permanent magnet synchronous motor. The passivity based control approach is applied to a complex and coupled nonlinear mathematical model of permanent ...
Elhassen Benfriha   +3 more
doaj   +1 more source

Analytical and numerical computation of air-gap magnetic fields in brushless motors with surface permanent magnets [PDF]

open access: yes, 2000
This paper extends the theory of the air-gap magnetic field in permanent-magnet (PM) brushless motors. Scalar and vector potential solutions to the field equations are brought together to unify many of the important practical methods already in use.
McGilp, M.I.   +4 more
core   +1 more source

Fully 3D‐Printed Wave‐Wound Electromagnetic Motors

open access: yesAdvanced Materials Technologies, EarlyView.
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

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