1,685 Result(s)
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Article
Multi-innovation-based online variable projection algorithm for a class of nonlinear models
Separable nonlinear models (SNMs) serve as potent instruments for system identification, data analysis, and machine learning. However, the online identification of SNMs poses a greater challenge compared to th...
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Open AccessErratum to: Oil-soluble polymer brushes-functionalized nanoMOFs for highly efficient friction and wear reduction
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Article
Effective Activation of Melamine for Synchronous Synthesis of Catalytically Active Nanosheets and Fluorescence-Responsive Quantum Dots
Because of the low reactivity of cyclic nitrides, liquid-phase synthesis of carbon nitride introduces challenges despite its favorable potential for energy-efficient preparation and superior applications. In t...
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Open AccessUnlocking wear resistance in an ultrastrong dual-phase high-entropy alloy by interface-constrained deformation of brittle Laves phases
The pronounced brittleness of hard Laves phase intermetallics is detrimental to their tribological properties at room temperature. In this study, we utilized a heterogeneous structure to engineer an ultrastron...
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Development of a modified dynamic flame thickened model for laminar premixed hydrogen/air flames
This work proposes a modified dynamic flame thickened model for laminar premixed hydrogen/air flames and describes flame simulations conducted for validation. The model is implemented on the open-source OpenFO...
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Open AccessOil-soluble polymer brushes-functionalized nanoMOFs for highly efficient friction and wear reduction
Nanomaterials as lubricating oil additives have attracted significant attention because of their designable composition and structure, suitable mechanical property, and tunable surface functionalities. However...
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Article
A continuous contact-force model for the impact analysis of viscoelastic materials with elastic aftereffect
The elastic aftereffect phenomenon of viscoelastic materials under low-velocity impact has been widely observed in practical engineering. This paper proposes a new approximated solution for the Wang model, whi...
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Article
A novel tool life model for varying process conditions and cutting volumes using cutting power consumption
Despite numerous studies regarding tool life modeling, it is usually difficult to apply conventional models to industrial fields because of factors such as impractical data acquisition systems, the complexity ...
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Article
Structure optimization design for pre-folded external double-layer biomimetic multi-cell thin-walled tubes
The multi-cell tube has been widely studied and applied in vehicle collision energy absorption due to its superior energy absorption capacity compared to traditional single tubes. The origami thin-walled struc...
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Size-dependent nonlinear vibration analysis of nonlocal magneto-electro-elastic sandwich nanobeam based on Reddy’s third-order shear deformation theory
The size-dependent nonlinear vibration model of the magneto-electro-elastic (MEE) sandwich nanobeam on Winkler-Pasternak foundation is built based on nonlocal elasticity theory and Reddy's third-order shear de...
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Development of wet-type ten-path ultrasonic flowmeters to validate their performance at two national metrology institutes
Most wet-type multi-path ultrasonic flowmeters have their measurement accuracy rate deteriorate as the flow rate is decreased. Curve-fitting on the characteristics of ultrasonic flowmeters is essential to impr...
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Experimental study of surface residual stress and hardness of TiBw mesh reinforced titanium matrix composites in rotary ultrasonic grinding
TiBw mesh reinforced titanium matrix composites were investigated by rotary ultrasonic grinding experiments using a nickel-based electroformed diamond grinding wheel and building a single diamond abrasive grai...
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Article
Parameter identification of fractional-order systems with time delays based on a hybrid of orthonormal Bernoulli polynomials and block pulse functions
In this paper, we present effective and efficient identification methods with a higher accuracy for fractional order system (FOS) with time delays and nonzero initial condition. We construct a new hybrid of or...
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Article
The effect of two-phase flows on PEM water electrolysis cell performance
In this study, three types of flow channels including single serpentine, double serpentine, and parallel were compared to investigate the relationship between two-phase flows and the cell performance in the pr...
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Article
Monitoring tool wearing: a hybrid algorithm integrating residual structures and stacked BiLSTM
Excessive tool wear (TW) significantly degrades the workpiece’s surface quality and decreases machining efficiency. Therefore, monitoring both accurate and efficient TW status is crucial in real time. Current ...
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Article
Enhancing additive manufacturing with computer vision: a comprehensive review
As an all-in-one process that blended design, materials, and manufacturing, additive manufacturing (AM) adopted a bottom-up stacking approach, thereby avoiding excessive infrastructure and complex production s...
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Article
Material removal model of magnetoelastic abrasive particles in dual-disk magnetic cutting edge preparation
Magnetoelastic abrasive particles are new composite particles formed by abrasive-phase alumina particles, magnetic-medium-phase iron particles, and a polymer matrix in a specific proportion. Abrasive particles...
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Article
Image encryption algorithm based on COA and hyperchaotic Lorenz system
Aiming at the problems of weak security and susceptibility to violent cracking in traditional image encryption algorithms, this paper presents a novel image encryption algorithm based on the Coyote Optimizatio...
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Article
Hole quality and thermal defects in drilled CFRP by nanosecond pulsed laser
The aim of this work was to investigate the impact of nanosecond pulse laser drilling on the quality of carbon fiber reinforced polymer (CFRP). The effects of laser parameters, including laser power, scan spee...
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Correction method of servo feed trajectory in block divided EDM for diffusion shaped film cooling holes
Diffusion shaped film cooling holes can improve cooling performance on turbine blades of aeroengines. The diffusion structures are difficult to machine due to the complicated shape, especially for the special ...
