Results 91 to 100 of about 2,703,323 (309)

PMSM Sensorless Direct Torque Control System with Improved STSMO

open access: yesJournal of Harbin University of Science and Technology
In order to improve the observation accuracy of the rotor position of the sliding mode observer and suppress the frequent chattering, a double-filtered direct torque (DTC) control method based on the Super-Twisting sliding mode observer (STSMO) was ...
LÜ Degang, JI Tanglong, JIANG Gouwei
doaj   +1 more source

General Electric Wattmeter

open access: yes
Twentieth century General Electric wattmeter previously used for electrical engineering instruction at ...
General Electric Co.
core   +2 more sources

Leveraging Symbolic Artificial Intelligence and Fuzzy Logic for Materials Science: A Review of Methods, Challenges, and Applications to Scarce and Imperfect Experimental Data

open access: yesAdvanced Engineering Materials, EarlyView.
This article explores the transformative potential of symbolic artificial intelligence (AI) in the field of materials science, particularly in leveraging experimental data. The article presents several symbolic AI models and discusses their applications in materials science.
Ahmed Amrani   +7 more
wiley   +1 more source

Sidney Machine Tool Company lathe photograph

open access: yes
This photograph shows a lathe at the Sidney Machine Tool Company. Sidney Tool Company was founded in 1905 by Alfred C. Getz in Sidney, Ohio. Getz was also acting plant manager for Monarch Machine Tool, also in Sidney, during the same time.
Sidney Machine Tool Company
core   +2 more sources

Gallium Microalloying in Bi–Sn Solders: Interfacial Phase Formation, Wettability, and Long‐Term Shear Reliability Under Isothermal Aging

open access: yesAdvanced Engineering Materials, EarlyView.
Gallium microalloying redirects interfacial reactions in low‐temperature Bi–Sn solders from Cu–Sn toward Cu–Ga intermetallic formation. The resulting Cu–Ga layer suppresses intermetallic growth during thermal aging, alters fracture pathways, and improves interfacial stability.
Iva Králová   +6 more
wiley   +1 more source

Attracting investments through crowdfunding platforms as a method for agro-industrial enterprises to enter the international market

open access: yesВестник университета
Since agriculture is an important sector of the Russian economy, the problem of lack of capital in this sector is still relevant. The article shows that in the era of digital technologies, new sources of fundraising are emerging in the agro-industrial ...
E. V. Nagovitsyna, D. S. Tusin
doaj   +1 more source

McColl Electric Motors : a technical catalogue of electric motors and generators.

open access: yes, 1940
"Catalogue general 43" - Cover.; Electronic reproduction. Canberra, A.C.T.
McColl Electric Works Pty. Ltd.
core  

High‐Entropy Alloy Interlayers Toward Advanced Joining for High‐Performance Structural Applications: Current Progress and Emerging Challenges

open access: yesAdvanced Engineering Materials, EarlyView.
HEA interlayers offer a versatile route for joining high‐performance structural materials. Their compositional and structural design regulates interfacial reactions, suppresses brittle IMCs, and improves metallurgical bonding. Sandwich interlayers further integrate defect healing with precipitation strengthening, enabling improved strength–ductility ...
Lin Yuan   +4 more
wiley   +1 more source

THEORETICAL ANALYSIS OF ENERGY PROCESSES IN MUTUAL LOAD ELECTRIC TRACTION DC MACHINES

open access: yesNauka ta progres transportu, 2008
The analysis of power streams in the schemes of mutual loading of hauling electric machines of direct and pulsating current is presented.
A. M. Afanasov
doaj  

Investigation of a Novel Mechanical to Thermal Energy Converter Based on the Inverse Problem of Electric Machines

open access: yesEnergies, 2016
A novel converter that can directly transform electrical, wind, hydraulic and other types of mechanical energy into thermal energy is presented in this study.
Lei Chen   +3 more
doaj   +1 more source

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