Results 21 to 30 of about 37,927 (278)

Efficient handling of stability problems in shell optimization by asymmetric ‘worst-case’ shape imperfection [PDF]

open access: yes, 2008
The paper presents an approach to shape optimization of proportionally loaded elastic shell structures under stability constraints. To reduce the stability-related problems, a special technique is utilized, by which the response analysis is always ...
Brank, Boštjan   +3 more
core   +1 more source

Modelling and simulation of an automatic solar module characteristics data acquisition system

open access: yesMaterials and Devices, 2019
This paper is devoted to the design and simulation of an automatic data acquisition system of solar module characteristics. The system is essentially composed of three parts.
Edjadessamam Akoro   +4 more
doaj   +4 more sources

Adaptive Load Forecasting Methodology Based on Generalized Additive Model with Automatic Variable Selection

open access: yesSensors, 2022
For decentralized energy management in a smart grid, there is a need for electric load forecasting at different places in the grid hierarchy and for different levels of aggregation. Load forecasting functionality relies on the load time series prediction model, which provides accurate forecasts.
openaire   +3 more sources

Power Factor Improvement of Induction Motor Using Microprocessor Controlled FC-TCR Compensator

open access: yesJournal of King Saud University: Engineering Sciences, 1990
This paper describes the design and implementation of a scheme using a microprocessor to achieve on line and dynamic power factor improvement of a single phase induction motor subjected to variable load.
K.E. Ad’doweesh   +2 more
doaj   +1 more source

Experimental Study on Performance and Emission Characteristic of Diesel Engine using Sunflower oil Biodiesel Blends [PDF]

open access: yesEngineering and Technology Journal, 2020
Biodiesel fuel is a liquid biofuel produced by chemical process form new and used phytogenic oils, animal fats. Biodiesel fuels can be utilization alone or mixing with the pure diesel at different proportion.
Ghassan Ali, Abed AL-Kadim Hassan
doaj   +1 more source

Nonlinear analysis of Euler beams resting on a tensionless soil with arbitrary configurations

open access: yesBeni-Suef University Journal of Basic and Applied Sciences, 2022
Background The nonlinear interaction between an elastic Euler beam and a tensionless soil foundation is studied. The exact analytical solutions of the nonlinear problem are rather complicated.
Heba Abdelfatah   +2 more
doaj   +1 more source

3D printing and assembling of frame modules using printable strain-hardening cement-based composites (SHCC)

open access: yesMaterials & Design, 2022
Despite all their advantages, load-bearing concrete shell structures with double curvatures are not frequently in use. The main reason is the complexity of their construction.
Egor Ivaniuk   +5 more
doaj   +1 more source

Output Power Stabilization for Wireless Power Transfer System Employing Primary-Side-Only Control

open access: yesIEEE Access, 2020
The output power of a wireless power transfer (WPT) system depends highly on the load and the coupling conditions, which are variable in practical applications generally.
Huanjie Zhu, Bo Zhang, Lihao Wu
doaj   +1 more source

A NEW ALGORITHM IN NONLINEAR ANALYSIS OF STRUCTURES USING PARTICLE SWARM OPTIMIZATION

open access: yesInternational Islamic University Malaysia Engineering Journal, 2016
Solving systems of nonlinear equations is a difficult problem in numerical computation. Probably the best known and most widely used algorithm to solve a system of nonlinear equations is Newton-Raphson method.
Iman Mansouri   +2 more
doaj   +1 more source

Automation of S-parameters measurements of high-power microwave transistors in a contact device with tunable strip matching circuits [PDF]

open access: yesITM Web of Conferences, 2019
In the practice by microwave power transistor amplifiers developing, the variable load method is usually used to determine the impedances of matching circuits in the complex conjugate matching mode. This solution involves the use of expensive equipment -
Evseev Vladimir   +5 more
doaj   +1 more source

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