You are currently viewing a new version of our website. To view the old version click .

524 Results Found

  • Article
  • Open Access
1,741 Views
19 Pages

In this paper, a novel functional network designing method based on cultural algorithm is proposed. This method can get the hybrid basis function and its parameters with optimal searching achieving the learning between functional network structure an...

  • Article
  • Open Access
2 Citations
1,708 Views
20 Pages

A Hybrid Control-Oriented PEMFC Model Based on Echo State Networks and Gaussian Radial Basis Functions

  • José Agustín Aguilar,
  • Damien Chanal,
  • Didier Chamagne,
  • Nadia Yousfi Steiner,
  • Marie-Cécile Péra,
  • Attila Husar and
  • Juan Andrade-Cetto

20 January 2024

The goal of increasing efficiency and durability of fuel cells can be achieved through optimal control of their operating conditions. In order to implement such controllers, accurate and computationally efficient fuel cell models must be developed. T...

  • Article
  • Open Access
1 Citations
1,491 Views
18 Pages

22 July 2024

The linear combination of atomic orbitals (LCAO) method is advantageous for calculating important bulk and surface properties of crystals and defects in/on them. Compared to plane wave calculations and contrary to common assumptions, hybrid density f...

  • Article
  • Open Access
20 Citations
3,896 Views
19 Pages

15 February 2023

This article presents a hybrid backstepping consisting of two robust controllers utilizing the approximation property of a radial basis function neural network (RBFNN) for a quadrotor with time-varying uncertainties. The quadrotor dynamic system is d...

  • Article
  • Open Access
5 Citations
2,405 Views
20 Pages

19 July 2022

In this paper, a new hybrid radial basis function collocation method (HRBF-CM) is proposed to help resolve two-dimensional elastostatic symmetric problems. In the new approach, the hybrid radial basis function (HRBF) combines the infinitely smooth RB...

  • Article
  • Open Access
26 Citations
5,979 Views
15 Pages

25 August 2016

Hydrogeological disasters occur frequently. Proposing an effective prediction method for hydrology data can play a guiding role in disaster prevention; however, due to the complexity and instability of hydrological data, this is difficult. This paper...

  • Article
  • Open Access
59 Citations
7,165 Views
18 Pages

20 September 2013

High penetration of wind power in the electricity system provides many challenges to power system operators, mainly due to the unpredictability and variability of wind power generation. Although wind energy may not be dispatched, an accurate forecast...

  • Article
  • Open Access
37 Citations
5,832 Views
31 Pages

12 June 2020

The main objective of this paper is to construct the various shapes and font designing of curves and to describe the curvature by using parametric and geometric continuity constraints of generalized hybrid trigonometric Bézier (GHT-Bézi...

  • Article
  • Open Access
3 Citations
2,154 Views
22 Pages

A Hybrid Adaptive Controller Applied for Oscillating System

  • Radoslaw Stanislawski,
  • Jules-Raymond Tapamo and
  • Marcin Kaminski

28 August 2022

In this paper, a hybrid PI radial basis function neural network (RBFNN) controller is used for a plant with significant disturbances related to the mechanical part of the construction. It is represented through a two-mass system. State variables cont...

  • Article
  • Open Access
10 Citations
2,973 Views
25 Pages

Improving the Efficiency of Electric Vehicles: Advancements in Hybrid Energy Storage Systems

  • Mostafa Farrag,
  • Chun Sing Lai,
  • Mohamed Darwish and
  • Gareth Taylor

28 June 2024

Electric vehicles (EVs) encounter substantial obstacles in effectively managing energy, particularly when faced with varied driving circumstances and surrounding factors. This study aims to evaluate the performance of three different control systems...

  • Article
  • Open Access
531 Views
27 Pages

8 November 2025

This study proposes a data-efficient surrogate modeling approach for predicting hydrostatic transmission (HST) system efficiency in tractors using minimal data. Only 27 samples were selected from a dataset of 5092 measurements based on the minimum, m...

  • Article
  • Open Access
2 Citations
2,050 Views
17 Pages

The purpose of this work is to construct a robust numerical scheme for a class of nonlinear free boundary identification problems. First, a shape optimization problem is constructed based on a least square functional. Schauder’s fixed point the...

  • Article
  • Open Access
3 Citations
2,656 Views
32 Pages

This article presents an efficient method for the numerical modeling of time fractional mixed diffusion and wave-diffusion equations with two Caputo derivatives of order 0<α<1, and 1<β<2. The numerical method is based on the La...

  • Article
  • Open Access
8 Citations
3,165 Views
12 Pages

9 November 2022

This paper’s novel focus is predicting the leaf nitrogen content of rice during growing and maturing. A multispectral image processing-based prediction model of the Radial Basis Function Neural Network (RBFNN) model was proposed. Moreover, this paper...

  • Article
  • Open Access
12 Citations
6,966 Views
10 Pages

3-Ishwarone, a Rare Ishwarane Sesquiterpene from Peperomia scandens Ruiz & Pavon: Structural Elucidation through a Joint Experimental and Theoretical Study

  • Fernando M. Dos S. Junior,
  • Leosvaldo S. M. Velozo,
  • Erika M. De Carvalho,
  • André M. Marques,
  • Ricardo M. Borges,
  • Ana Paula F. Trindade,
  • Maria Isabel S. Dos Santos,
  • Ana Carolina F. De Albuquerque,
  • Fabio L.P. Costa and
  • Maria Auxiliadora C. Kaplan
  • + 1 author

31 October 2013

3-Ishwarone, (1), a sesquiterpene with a rare ishwarane skeleton, was isolated from Peperomia scandens Ruiz & Pavon (Piperaceae). Its structure was unambiguously determined by 1D- and 2D-NMR and infrared analyses, as well as by comparative theore...

  • Article
  • Open Access
7 Citations
2,769 Views
12 Pages

29 July 2023

Phthalic acid esters (PAEs) are the most commonly used plasticizers, and long-term or high levels of exposure to PAEs have a huge potential risk to human health. In this study, the theories of Hartree–Fock (HF) and density functional theory (DF...

  • Article
  • Open Access
24 Citations
2,381 Views
19 Pages

12 April 2021

This article presents the problem of diagnostic examination by the (DIAG) diagnostic system of devices of the House on Water (HoW) hybrid electric power system in the multi-valued (2, 3, and 4) state assessment. Forming the basis for the functioning...

  • Article
  • Open Access
8 Citations
2,933 Views
32 Pages

13 October 2022

Product hybridization design is a new model of integrated innovation. Existing methods of product hybridization design focus on technological recombination, and there is a lack of research from the perspective of function. Therefore, this paper propo...

  • Article
  • Open Access
5 Citations
1,626 Views
17 Pages

First-Principles Linear Combination of Atomic Orbitals Calculations of K2SiF6 Crystal: Structural, Electronic, Elastic, Vibrational and Dielectric Properties

  • Leonid L. Rusevich,
  • Mikhail G. Brik,
  • Denis Gryaznov,
  • Alok M. Srivastava,
  • Ilya Chervyakov,
  • Guntars Zvejnieks,
  • Dmitry Bocharov and
  • Eugene A. Kotomin

2 October 2024

The results of first-principles calculations of the structural, electronic, elastic, vibrational, dielectric and optical properties, as well as the Raman and infrared (IR) spectra, of potassium hexafluorosilicate (K2SiF6; KSF) crystal are discussed....

  • Article
  • Open Access
3 Citations
939 Views
19 Pages

In this study, an optimization framework for turbomachinery blades using a hybrid surrogate model assisted by proper orthogonal decomposition (POD) is introduced and then applied to the aero-structural multidisciplinary design optimization of a trans...

  • Article
  • Open Access
28 Citations
5,695 Views
20 Pages

Characteristics of Multifunctional, Eco-Friendly Lignin-Al2O3 Hybrid Fillers and Their Influence on the Properties of Composites for Abrasive Tools

  • Łukasz Klapiszewski,
  • Artur Jamrozik,
  • Beata Strzemiecka,
  • Iwona Koltsov,
  • Bartłomiej Borek,
  • Danuta Matykiewicz,
  • Adam Voelkel and
  • Teofil Jesionowski

7 November 2017

The main aim of the present study was the preparation and comprehensive characterization of innovative additives to abrasive materials based on functional, pro-ecological lignin-alumina hybrid fillers. The behavior of lignin, alumina and lignin-Al2O3...

  • Article
  • Open Access
18 Citations
4,315 Views
16 Pages

A Review of Density Functional Models for the Description of Fe(II) Spin-Crossover Complexes

  • Anton Römer,
  • Lukas Hasecke,
  • Peter Blöchl and
  • Ricardo A. Mata

6 November 2020

Spin-crossover (SCO) materials have for more than 30 years stood out for their vast application potential in memory, sensing and display devices. To reach magnetic multistability conditions, the high-spin (HS) and low-spin (LS) states have to be care...

  • Article
  • Open Access
7 Citations
6,931 Views
13 Pages

Comparative Transcriptome Analysis to Reveal Genes Involved in Wheat Hybrid Necrosis

  • Yong Zhang,
  • Yan Cheng,
  • Jiahui Guo,
  • Ennian Yang,
  • Cheng Liu,
  • Xuelian Zheng,
  • Kejun Deng and
  • Jianping Zhou

16 December 2014

Wheat hybrid necrosis is an interesting genetic phenomenon that is found frequently and results in gradual death or loss of productivity of wheat. However, the molecular basis and mechanisms of this genetic phenomenon are still not well understood. I...

  • Article
  • Open Access
54 Citations
10,726 Views
23 Pages

An Overview of Self-Consistent Field Calculations Within Finite Basis Sets

  • Susi Lehtola,
  • Frank Blockhuys and
  • Christian Van Alsenoy

A uniform derivation of the self-consistent field equations in a finite basis set is presented. Both restricted and unrestricted Hartree–Fock (HF) theory as well as various density functional approximations are considered. The unitary invarianc...

  • Article
  • Open Access
2 Citations
1,335 Views
19 Pages

18 December 2024

Solving partial differential equations (PDEs) on complex domains with hybrid boundary conditions presents significant challenges in numerical analysis. In this paper, we introduce a solution-structure-based framework that transforms non-homogeneous h...

  • Article
  • Open Access
4 Citations
3,677 Views
20 Pages

Pattern Classification Based on RBF Networks with Self-Constructing Clustering and Hybrid Learning

  • Zan-Rong He,
  • Yan-Ting Lin,
  • Chen-Yu Wu,
  • Ying-Jie You and
  • Shie-Jue Lee

25 August 2020

Radial basis function (RBF) networks are widely adopted to solve problems in the field of pattern classification. However, in the construction phase of such networks, there are several issues encountered, such as the determination of the number of no...

  • Article
  • Open Access
3 Citations
2,974 Views
17 Pages

A New Range Equation for Hybrid Aircraft Design

  • Enrico Cestino,
  • Davide Pisu,
  • Vito Sapienza,
  • Lorenzo Chesta and
  • Valentina Martilla

13 November 2023

A new Range Equation for a hybrid-electric propeller-driven aircraft was formulated by an original derivation based on the comparison of Virtual Electrical Aircraft (VEA) and Virtual Thermal Aircraft (VTA) range equations. The new formulation makes i...

  • Article
  • Open Access
13 Citations
2,936 Views
15 Pages

17 October 2019

This paper presents the trajectory tracking control of a flexible-joint manipulator driven by permanent magnet synchronous motor (PMSM). Combining the PMSM electrical equation and mechanical equation of robotic manipulators, a novel smooth switching...

  • Article
  • Open Access
3 Citations
1,727 Views
12 Pages

Preliminary Exploration of Physiology and Genetic Basis Underlying High Yield in Indica–Japonica Hybrid Rice

  • Xiaojuan Fan,
  • Yongtao Cui,
  • Jian Song,
  • Honghuan Fan,
  • Liqun Tang and
  • Jianjun Wang

The utilization of heterosis is of great significance in improving rice yield. To explore the physiological and genetic basis for high yield in indica–japonica hybrid rice, Zheyou18 (z18) and Yongyou12 (y12) were used as materials and compared...

  • Review
  • Open Access
15 Citations
8,040 Views
16 Pages

Hybrid Spider Silk with Inorganic Nanomaterials

  • Aleksandra P. Kiseleva,
  • Grigorii O. Kiselev,
  • Valeria O. Nikolaeva,
  • Gulaim Seisenbaeva,
  • Vadim Kessler,
  • Pavel V. Krivoshapkin and
  • Elena F. Krivoshapkina

16 September 2020

High-performance functional biomaterials are becoming increasingly requested. Numerous natural and artificial polymers have already demonstrated their ability to serve as a basis for bio-composites. Spider silk offers a unique combination of desirabl...

  • Article
  • Open Access
21 Citations
14,290 Views
13 Pages

Synthesis of New L-Ascorbic Ferulic Acid Hybrids

  • Anne Sophie Voisin-Chiret,
  • Marc-Antoine Bazin,
  • Jean-Charles Lancelot and
  • Sylvain Rault

17 November 2007

A feasibility and chemical study of the coupling conditions of L-ascorbic acidwith ferulic acid derivatives are described on the basis of the known synergistic effects ofmixtures of various antioxidants. Novel L-ascorbic ferulic hybrids linked at the...

  • Article
  • Open Access
265 Views
18 Pages

Hybrid Basis and Multi-Center Grid Method for Strong-Field Processes

  • Kyle A. Hamer,
  • Heman Gharibnejad,
  • Luca Argenti and
  • Nicolas Douguet

17 November 2025

We present a time-dependent framework that combines a hybrid basis, consisting of Gaussian-type orbitals (GTOs) and finite-element discrete-variable representation (FEDVR) functions, with a multicenter grid to simulate strong-field and attosecond dyn...

  • Article
  • Open Access
7 Citations
1,661 Views
18 Pages

25 January 2024

This paper proposes a hybrid control scheme that combines fractional-order sliding-mode control (FOSMC) with radial basis function neural network adaptive damping passivity-based control (RBFPBC) for modular multilevel converters (MMC) under non-idea...

  • Article
  • Open Access
1,149 Views
14 Pages

Gain Characteristics of Hybrid Waveguide Amplifiers in SiN Photonics Integration with Er-Yb:Al2O3 Thin Film

  • Ziming Dong,
  • Guoqing Sun,
  • Yuqing Zhao,
  • Yaxin Wang,
  • Lei Ding,
  • Liqin Tang and
  • Yigang Li

Integrated optical waveguide amplifiers, with their compact footprint, low power consumption, and scalability, are the basis for optical communications. The realization of high gain in such integrated devices is made more challenging by the tight opt...

  • Article
  • Open Access
15 Citations
5,306 Views
24 Pages

6 November 2020

Intermolecular interactions play an important role for the understanding of catalysis, biochemistry and pharmacy. Double-hybrid density functionals (DHDFs) combine the proper treatment of short-range interactions of common density functionals with th...

  • Article
  • Open Access
30 Citations
6,007 Views
26 Pages

Structural Properties and Magnetic Ground States of 100 Binary d-Metal Oxides Studied by Hybrid Density Functional Methods

  • Mikhail S. Kuklin,
  • Kim Eklund,
  • Jarno Linnera,
  • Artturi Ropponen,
  • Nikolas Tolvanen and
  • Antti J. Karttunen

27 January 2022

d-metal oxides play a crucial role in numerous technological applications and show a great variety of magnetic properties. We have systematically investigated the structural properties, magnetic ground states, and fundamental electronic properties of...

  • Article
  • Open Access
9 Citations
5,088 Views
9 Pages

Comparison of Leaf Shape between a Photinia Hybrid and One of Its Parents

  • Xiao Zheng,
  • Karl J. Niklas,
  • David A. Ratkowsky,
  • Yabing Jiao,
  • Hui Ding and
  • Peijian Shi

11 September 2022

Leaf shape and size can vary between hybrids and their parents. However, this has seldom been quantitatively tested. Photinia × fraseri is an important landscaping plant in East Asia as a hybrid between evergreen shrubs P. glabra and P. serrati...

  • Article
  • Open Access
1 Citations
916 Views
27 Pages

A ship’s diesel–electric hybrid power system is complex, with hardware configuration and energy management parameters being crucial to its economic performance. However, existing optimization methods typically involve designing and optimi...

  • Proceeding Paper
  • Open Access
8 Citations
4,255 Views
4 Pages

14 November 2020

The goal of the present work was to evaluate the chemical reactivity of amino acids with polar uncharged side chains (serine, threonine, asparagine and glutamine) using density functional theory (DFT) and thermodynamics modeling by calculating a ser...

  • Review
  • Open Access
86 Citations
16,101 Views
39 Pages

A Survey on Low-Thrust Trajectory Optimization Approaches

  • David Morante,
  • Manuel Sanjurjo Rivo and
  • Manuel Soler

In this paper, we provide a survey on available numerical approaches for solving low-thrust trajectory optimization problems. First, a general mathematical framework based on hybrid optimal control will be presented. This formulation and their elemen...

  • Article
  • Open Access
15 Citations
6,891 Views
14 Pages

Comparative Evaluation of Tomato Hybrids and Inbred Lines for Fruit Quality Traits

  • Ilias D. Avdikos,
  • Rafail Tagiakas,
  • Pavlos Tsouvaltzis,
  • Ioannis Mylonas,
  • Ioannis N. Xynias and
  • Athanasios G. Mavromatis

23 March 2021

Tomato is one of the most consumed fruit vegetables globally and is a high dietary source of minerals, fiber, carotenoids, and vitamin C. The tomato is also well known for its nutraceutical chemical content which strengthens human immune systems and...

  • Article
  • Open Access
14 Citations
1,981 Views
20 Pages

On the Simulations of Second-Order Oscillatory Problems with Applications to Physical Systems

  • Lydia J. Kwari,
  • Joshua Sunday,
  • Joel N. Ndam,
  • Ali Shokri and
  • Yuanheng Wang

8 March 2023

Second-order oscillatory problems have been found to be applicable in studying various phenomena in science and engineering; this is because these problems have the capabilities of replicating different aspects of the real world. In this research, a...

  • Article
  • Open Access
36 Citations
4,444 Views
26 Pages

Bayesian-Optimized Hybrid Kernel SVM for Rolling Bearing Fault Diagnosis

  • Xinmin Song,
  • Weihua Wei,
  • Junbo Zhou,
  • Guojun Ji,
  • Ghulam Hussain,
  • Maohua Xiao and
  • Guosheng Geng

28 May 2023

We propose a new fault diagnosis model for rolling bearings based on a hybrid kernel support vector machine (SVM) and Bayesian optimization (BO). The model uses discrete Fourier transform (DFT) to extract fifteen features from vibration signals in th...

  • Article
  • Open Access
16 Citations
3,506 Views
19 Pages

Textural and Thermal Properties of the Novel Fucoidan/Nano-Oxides Hybrid Materials with Cosmetic, Pharmaceutical and Environmental Potential

  • Jakub Matusiak,
  • Urszula Maciołek,
  • Małgorzata Kosińska-Pezda,
  • Dariusz Sternik,
  • Jolanta Orzeł and
  • Elżbieta Grządka

The main purpose of the research was to obtain and study hybrid materials based on three different nano-oxides commonly used in the cosmetic and pharmaceutical industries: Al2O3, TiO2, and ZnO, with the natural bioactive polysaccharide fucoidan. Sinc...

  • Article
  • Open Access
1,160 Views
17 Pages

Asymmetric cove-edged graphene nano-ribbons were employed as metallic electrodes in a hybrid gap device structure with zig-zag graphene nano-ribbons terminations for amino acid recognition and peptide sequencing. On a theoretical basis, amino acid re...

  • Review
  • Open Access
2,771 Views
18 Pages

Trait Variation and Spatiotemporal Dynamics across Avian Secondary Contact Zones

  • Shangyu Wang,
  • Lei Wu,
  • Qianghui Zhu,
  • Jiahao Wu,
  • Shiyu Tang,
  • Yifang Zhao,
  • Yalin Cheng,
  • Dezhi Zhang,
  • Gexia Qiao and
  • Runzhi Zhang
  • + 1 author

22 August 2024

A secondary contact zone (SCZ) is an area where incipient species or divergent populations may meet, mate, and hybridize. Due to the diverse patterns of interspecific hybridization, SCZs function as field labs for illuminating the on-going evolutiona...

  • Article
  • Open Access
8 Citations
3,516 Views
19 Pages

An Approach Integrating Multi-Source Data with LandTrendr Algorithm for Refining Forest Recovery Detection

  • Mei Li,
  • Shudi Zuo,
  • Ying Su,
  • Xiaoman Zheng,
  • Weibing Wang,
  • Kaichao Chen and
  • Yin Ren

20 May 2023

Disturbances to forests are getting worse with climate change and urbanization. Assessing the functionality of forest ecosystems is challenging because it requires not only a large amount of input data but also comprehensive estimation indicator meth...

  • Article
  • Open Access
1 Citations
2,681 Views
20 Pages

15 March 2023

Under the Bayesian framework, this study proposes a Tweedie compound Poisson partial linear mixed model on the basis of Bayesian P-spline approximation to nonparametric function for longitudinal semicontinuous data in the presence of nonignorable mis...

  • Article
  • Open Access
3 Citations
2,453 Views
17 Pages

Optimization Method Based on Hybrid Surrogate Model for Pulse-Jet Cleaning Performance of Bag Filter

  • Shirong Sun,
  • Libing Liu,
  • Zeqing Yang,
  • Wei Cui,
  • Chenghao Yang,
  • Yanrui Zhang and
  • Yingshu Chen

12 June 2023

The pulse-jet cleaning process is a critical part of the bag filter workflow. The dust-cleaning effect has a significant impact on the operating stability of bag filters. Aiming at the multi-parameter optimization problem involved in the pulse-jet cl...

  • Article
  • Open Access
5 Citations
4,905 Views
26 Pages

Economic Analysis of HRES Systems with Energy Storage During Grid Interruptions and Curtailment in Tamil Nadu, India: A Hybrid RBFNOEHO Technique

  • Karunakaran Venkatesan,
  • Uma Govindarajan,
  • Padmanathan Kasinathan,
  • Sanjeevikumar Padmanaban,
  • Jens Bo Holm-Nielsen and
  • Zbigniew Leonowicz

7 August 2019

This work presents an economic analysis of a hybrid renewable energy source (HRES) integrated with an energy storage system (ESS) using batteries with a new proposed strategy. Here, the HRES system comprises wind turbines (WT) and a photovoltaic (PV)...

of 11