Results 1 to 10 of about 1,082,187 (119)

Stator Core Shape Design for Low Core Loss and High Power Density of a Small Surface-Mounted Permanent Motor [PDF]

Sensors, 2020
In this paper, a stator core shape design method is proposed for an improvement in the power density of a small surface-mounted permanent magnet (SPM) motor.
Naoya Soda, Masato Enokizono
doaj   +2 more sources

Vibration Sensitivity Is Associated With Functional Balance After Unilateral Transtibial Amputation

Archives of Rehabilitation Research and Clinical Translation, 2021
Objectives: To evaluate differences in vibration perception thresholds between adults with transtibial amputation and age-matched adults without amputation and to examine associations between vibration perception thresholds and balance performance.
Mayank Seth, PhD, Emma H. Beisheim-Ryan, PT, DPT, PhD, Ryan T. Pohlig, PhD, John Robert Horne, CPO, Gregory E. Hicks, PT, PhD, FAPTA, Jaclyn M. Sions, PT, DPT, PhD   +5 more
doaj   +1 more source

Pain, Balance-Confidence, Functional Mobility, and Reach Are Associated With Risk of Recurrent Falls Among Adults With Lower-Limb Amputation

Archives of Rehabilitation Research and Clinical Translation, 2023
Objective: The study evaluated whether pain intensity and extent, balance-confidence, functional mobility, and balance (eg, functional reach) are potential risk factors for recurrent falls among adults with a lower-limb amputation.
Mayank Seth, PhD, John Robert Horne, CPO, Ryan Todd Pohlig, PhD, Jaclyn Megan Sions, PhD   +3 more
doaj   +1 more source

A Review on the Effect of Electrical Steel Manufacturing Processes on the Performance of Electric Machines

Energies, 2023
The manufacturing processing of Electrical Steel Laminations (ESLs) for electric machines comprises cutting, stacking, and housing techniques which can result in plastic deformation and residual stress in the soft magnetic material.
Farshid Mahmouditabar, Nick Baker
doaj   +1 more source

Clinical mobility metrics estimate and characterize physical activity following lower-limb amputation

BMC Sports Science, Medicine and Rehabilitation, 2022
Background Regular physical activity following a lower-limb amputation is essential for maintaining health and a high quality of life. Most adults with a lower-limb amputation, however, participate in insufficient daily physical activity, and thus, are ...
Mayank Seth, Ryan Todd Pohlig, Gregory Evan Hicks, Jaclyn Megan Sions   +3 more
doaj   +1 more source

Stress-Dependent Magnetic Equivalent Circuit for Modeling Welding Effects in Electrical Steel Laminations

Machines, 2022
Welding has a severe impact on the efficiency of electrical machines. The heat added during the welding process affects the microstructure of the material and causes residual stress.
Andries Daem, Mohamed N. Ibrahim, Peter Sergeant, Luc Dupré   +3 more
doaj   +1 more source

Development of Equivalent Circuit Models of Permanent Magnet Synchronous Motors Considering Core Loss

Energies, 2022
Permanent magnet synchronous motor (PMSM) possesses the advantages of low power loss, high power density and high torque density and, hence, has achieved broad applications in both industrial drives and home appliances.
Xin Ba, Zhenjie Gong, Youguang Guo, Chengning Zhang, Jianguo Zhu   +4 more
doaj   +1 more source

Efficiency and Core Loss Map Estimation with Machine Learning Based Multivariate Polynomial Regression Model

Mathematics, 2022
Efficiency mapping has an important place in examining the maximum efficiency distribution as well as the energy consumption of designed electric motors at maximum torque and speed.
Oğuz Mısır, Mehmet Akar
doaj   +1 more source

Differential Inverters: A General Design Procedure Integrating a Novel Power Losses Modeling Approach for Utilized DC–DC Modules at Different Modulation Schemes

IEEE Access, 2023
Differential inverters develop the PWM of internal DC-DC modules by correlating fundamental frequency of load with high switching frequency to maintain inherent characteristic operation and achieve pure higher/lower AC output voltage with smaller size ...
Ahmed Shawky, Mokhtar Aly, Jose Rodriguez   +2 more
doaj   +1 more source

High Performance Planar Magnetics Based on an Unbalanced-Flux Approach

IEEE Open Journal of Power Electronics, 2023
This paper presents a new design concept to increase the efficiency and the power density of planar magnetics. In contrast to the existing magnetics, which are built using the balanced magnetic flux density design, the proposed design concept generates ...
Sobhi Barg, Souhaib Barg, Kent Bertilsson   +2 more
doaj   +1 more source