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A Dual-Mechanism Enhanced Secretary Bird Optimization Algorithm and Its Application in Engineering Optimization [PDF]

open access: yesBiomimetics
The secretary bird optimization algorithm is a recently developed swarm intelligence method with potential for solving nonlinear and complex optimization problems.
Changzu Chen   +4 more
doaj   +2 more sources

High-efficacy global optimization of antenna structures by means of simplex-based predictors

open access: yesScientific Reports, 2023
Design of modern antenna systems has become highly dependent on computational tools, especially full-wave electromagnetic (EM) simulation models. EM analysis is capable of yielding accurate representation of antenna characteristics at the expense of ...
Slawomir Koziel   +1 more
doaj   +1 more source

Rapid and reliable re-design of miniaturized microwave passives by means of concurrent parameter scaling and intermittent local tuning

open access: yesScientific Reports, 2023
Re-design of microwave passive components for the assumed operating frequencies or substrate parameters is an important yet a tedious process. It requires simultaneous tuning of relevant circuit variables, often over broad ranges thereof, to ensure ...
Slawomir Koziel   +1 more
doaj   +1 more source

Explicit Size-Reduction of Circularly Polarized Antennas Through Constrained Optimization With Penalty Factor Adjustment

open access: yesIEEE Access, 2021
Modern communication systems of high data capacity incorporate circular polarization (CP) as the preferred antenna radiation field configuration. In many applications, integration of the system circuitry with antennas imposes size limitations on CP ...
Marzieh Mahrokh, Slawomir Koziel
doaj   +1 more source

Computationally-efficient statistical design and yield optimization of resonator-based notch filters using feature-based surrogates

open access: yesScientific Reports, 2023
Modern microwave devices are designed to fulfill stringent requirements pertaining to electrical performance, which requires, among others, a meticulous tuning of their geometry parameters.
Slawomir Koziel, Tanveerul Haq
doaj   +1 more source

Reliability-based global optimization using response surface

open access: yesNihon Kikai Gakkai ronbunshu, 2021
Reliability-based design optimization (RBDO) is one of design optimization techniques considering uncertainty and has gained attention in the engineering design.
Makoto ITO, Satoshi KITAYAMA
doaj   +1 more source

Secure Communication for Uplink Cellular Networks Assisted with Full-Duplex Device-to-Device User

open access: yesFuture Internet, 2020
In this paper, the secure communication based on the full-duplex (FD) device-to-device (D2D) in cellular networks is proposed. For the proposed scheme, the novel model is established, in which a D2D user is played as a relay operating in FD mode to ...
Xin Song, Lin Xia, Siyang Xu, Yue Wang
doaj   +1 more source

Surrogate Model-Based Parameter Tuning of Simulated Annealing Algorithm for the Shape Optimization of Automotive Rubber Bumpers

open access: yesApplied Sciences, 2022
A design engineer has to deal with increasingly complex design tasks on a daily basis, for which the available design time is shrinking. Market competitiveness can be improved by using optimization if the design process can be automated.
Dávid Huri, Tamás Mankovits
doaj   +1 more source

Low-cost quasi-global optimization of expensive electromagnetic simulation models by inverse surrogates and response features

open access: yesScientific Reports, 2022
Conceptual design of contemporary high-frequency structures is typically followed by a careful tuning of their parameters, predominantly the geometry ones. The process aims at improving the relevant performance figures, and may be quite expensive.
Slawomir Koziel   +1 more
doaj   +1 more source

Development of rapid heating cycle molding using heater and process parameters optimization

open access: yesNihon Kikai Gakkai ronbunshu, 2023
Plastic injection molding (PIM) is a manufacturing technology to plastic products, and it is important to determine optimal process parameters for high product quality and high productivity.
Shogo TSURITA   +5 more
doaj   +1 more source

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