Results 11 to 20 of about 1,019,412 (300)

Special Modes of AC Drives Operation in the Mining Industry [PDF]

open access: yesE3S Web of Conferences, 2017
This paper presents research of special modes of AC drives operation. The possibility of obtaining of vibrational and vibrational-rotational modes of the AC drives on the basis of multipurpose polyharmonic mode of actuating motor operation is shown ...
Payuk Lubov   +4 more
doaj   +2 more sources

Influence of skew and cross-coupling on flux-weakening performance of permanent-magnet brushless AC machines [PDF]

open access: yes, 2009
A method is proposed for predicting the flux-weakening performance of permanent-magnet (PM) brushless ac machines accounting for skew and d-q axis cross-coupling.
Chen, J.T.   +5 more
core   +1 more source

Three-phase modular permanent magnet brushless machine for torque boosting on a downsized ICE vehicle [PDF]

open access: yes, 2005
The paper describes a relatively new topology of 3-phase permanent magnet (PM) brushless machine, which offers a number of significant advantages over conventional PM brushless machines for automotive applications, such as electrical torque boosting at ...
Howe, D., Wang, J.B., Xia, Z.P.
core   +1 more source

Efficient Benchmarking of Algorithm Configuration Procedures via Model-Based Surrogates [PDF]

open access: yes, 2017
The optimization of algorithm (hyper-)parameters is crucial for achieving peak performance across a wide range of domains, ranging from deep neural networks to solvers for hard combinatorial problems.
Eggensperger, Katharina   +4 more
core   +3 more sources

Productivity and Logistical Analysis of Single-Pass Stover Collection Harvest Systems [PDF]

open access: yes, 2010
A modified biomass combine was used in field experiments focused on measuring the productivity of single-pass bulk harvest and single-pass bale harvest systems.
Darr, Matthew   +4 more
core   +3 more sources

Development of Novel Semi-Stranded Windings for High Speed Electrical Machines Enabled by Additive Manufacturing

open access: yesApplied Sciences, 2023
Recent advances in electrical machines and energy storage technologies make electric vehicles (EVs) feasible replacements to conventional internal combustion engines.
Ahmed Selema   +2 more
doaj   +1 more source

Iron loss in permanent-magnet brushless AC machines under maximum torque per ampere and flux weakening control [PDF]

open access: yes, 2002
The airgap flux density distribution, flux density loci in the stator core, and the associated iron loss in two topologies of brushless AC motor, having a surface-mounted magnet rotor and an interior-mounted magnet rotor, respectively, are investigated ...
Chen, Y.S., Howe, D., Zhu, Z.Q.
core   +1 more source

Local weak observability conditions of sensorless AC drives [PDF]

open access: yes, 2015
Alternating current (AC) electrical drive control without mechanical sensors is an active research topic. This paper studies the observability of both induction machine and synchronous machine sensorless drives.
Duc, Gilles   +3 more
core   +3 more sources

Large-scale prediction of activity cliffs using machine and deep learning methods of increasing complexity

open access: yesJournal of Cheminformatics, 2023
Activity cliffs (AC) are formed by pairs of structural analogues that are active against the same target but have a large difference in potency. While much of our knowledge about ACs has originated from the analysis and comparison of compounds and ...
Shunsuke Tamura   +2 more
doaj   +1 more source

Data-driven alternating current optimal power flow: A Lagrange multiplier based approach

open access: yesEnergy Reports, 2022
This paper proposes a data-driven Alternating Current Optimal Power Flow (AC-OPF) method assisted by Lagrange multipliers. Stacked Extreme Learning Machine (SELM) is introduced for AC-OPF learning to avoid the time-consuming training and hyperparameter ...
Xingyu Lei   +3 more
doaj   +1 more source

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