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21,029 Results Found

  • Article
  • Open Access
2 Citations
3,523 Views
18 Pages

8 June 2019

The problems associated with the battery life of embedded systems were addressed by focusing on memory components that are heterogeneous and are known to meaningfully affect the power consumption and have not been fully exploited thus far. Our study...

(This article belongs to the Special Issue Applied Sciences Based on and Related to Computer and Control)
  • Feature Paper
  • Article
  • Open Access
13 Citations
2,434 Views
11 Pages

14 September 2024

In this work, the author reviews the origination of normalized tails of the Maclaurin power series expansions of infinitely differentiable functions, presents that the ratio between two normalized tails of the Maclaurin power series expansion of the...

(This article belongs to the Special Issue Polynomials: Theory and Applications, 2nd Edition)
  • Article
  • Open Access
18 Citations
4,182 Views
14 Pages

27 June 2019

This work presents a computational method for the simulation of wind speeds and for the calculation of the statistical distributions of wind farm (WF) power curves, where the wake effects and terrain features are taken into consideration. A three-par...

(This article belongs to the Special Issue Wind Farm Power Curves and Power Distributions)
  • Article
  • Open Access
15 Citations
2,627 Views
15 Pages

5 August 2024

In the paper, (1) in view of a general formula for any derivative of the quotient of two differentiable functions, (2) with the aid of a monotonicity rule for the quotient of two power series, (3) in light of the logarithmic convexity of an elementar...

(This article belongs to the Special Issue Symmetries of Difference Equations, Special Functions and Orthogonal Polynomials II)
  • Article
  • Open Access
10 Citations
1,756 Views
11 Pages

8 December 2024

In the study, the authors introduce Qi’s normalized remainder of the Maclaurin power series expansion of the function lnsecx=−lncosx; in view of a monotonicity rule for the ratio of two Maclaurin power series and by virtue of the logarith...

(This article belongs to the Special Issue New Theory and Applications of Nonlinear Analysis, Fractional Calculus and Optimization, 2nd Edition)
  • Article
  • Open Access
14 Citations
4,485 Views
23 Pages

10 February 2018

A new enhanced matrix power function (MPF) is presented for the construction of cryptographic primitives. According to the definition in previously published papers, an MPF is an action of two matrices powering some base matrix on the left and right....

  • Article
  • Open Access
11 Citations
4,281 Views
16 Pages

10 March 2020

Power law describes a common behavior in which a few factors play decisive roles in one thing. Most software defects occur in very few instances. In this study, we proposed a novel approach that adopts power law function characteristics for software...

  • Article
  • Open Access
1 Citations
2,759 Views
15 Pages

In the paper, the authors find a sufficient and necessary condition for the power-exponential function 1+1xαx to be a Bernstein function, derive closed-form formulas for the nth derivatives of the power-exponential functions 1+1xαx and (1...

(This article belongs to the Special Issue Fractional Calculus and Nonlinear Analysis: Theory and Applications)
  • Feature Paper
  • Article
  • Open Access
8 Citations
4,168 Views
13 Pages

23 January 2023

In this paper, the authors give a simple review of closed-form, explicit, and recursive formulas and related results for the nth derivative of the power-exponential function xx, establish two closed-form and explicit formulas for partial Bell polynom...

  • Article
  • Open Access
4 Citations
3,342 Views
16 Pages

5 October 2019

With the rapid development of grid-connected wind power, analysing and describing the probability density distribution characteristics of wind power fluctuation has always been a hot and difficult problem in the wind power field. In traditional metho...

  • Article
  • Open Access
8 Citations
2,773 Views
14 Pages

Power Transformer Diagnosis Based on Dissolved Gases Analysis and Copula Function

  • Xiaoqin Zhang,
  • Hongbin Zhu,
  • Bo Li,
  • Ruihan Wu and
  • Jun Jiang

7 June 2022

The traditional DGA (Dissolved Gas Analysis) diagnosis method does not consider the dependence between fault characteristic gases and uses the relationship between gas ratio coding and fault type to make the decision. As a tool of the dependence mech...

(This article belongs to the Special Issue Frontiers in Advanced Power Equipment and Research in Condition Diagnostic and Sensing)
  • Article
  • Open Access
15 Citations
3,040 Views
18 Pages

1 September 2023

In view of a general formula for higher order derivatives of the ratio of two differentiable functions, the authors establish the first form for the Maclaurin power series expansion of a logarithmic expression in term of determinants of special Hesse...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
3 Citations
3,494 Views
24 Pages

Matrix Power Function Based Block Cipher Operating in CBC Mode

  • Lina Dindiene,
  • Aleksejus Mihalkovich,
  • Kestutis Luksys and
  • Eligijus Sakalauskas

18 June 2022

In our previous study, we proposed a perfectly secure Shannon cipher based on the so-called matrix power function. There we also introduced a concept of single round symmetric encryption, i.e., we used the matrix power function together with some rat...

(This article belongs to the Special Issue Advances in Algebraic Coding Theory and Cryptography)
  • Article
  • Open Access
5 Citations
2,020 Views
16 Pages

26 June 2023

This article is devoted to investigating the evolution of the probability density function for power system excited by fractional stochastic noise. First, the single-machine-infinite-bus (SMIB) power system model excited by fractional Gaussian noise...

(This article belongs to the Special Issue Numerical Computation, Data Analysis and Software in Mathematics and Engineering, 2nd Edition)
  • Article
  • Open Access
1 Citations
3,561 Views
15 Pages

The proposed 8-Transistor (8T) Physically Unclonable Function (PUF), in conjunction with the power gating technique, can significantly accelerate a single evaluation cycle more than 100,000 times faster than a 6-Transistor (6T) Static Random-Access M...

(This article belongs to the Special Issue Ultra-Low-Power ICs for the Internet of Things (2nd Edition))
  • Article
  • Open Access
53 Citations
3,255 Views
23 Pages

2 October 2020

One or more isothermal heating process was introduced to modify single and regenerative Brayton cycles by some scholars, which effectively improved the thermal efficiency and significantly reduced the emissions. To analyze and optimize the performanc...

(This article belongs to the Section I: Energy Fundamentals and Conversion)
  • Article
  • Open Access
7 Citations
2,871 Views
11 Pages

Effect of Step Gate Work Function on InGaAs p-TFET for Low Power Switching Applications

  • Sayed Md Tariful Azam,
  • Abu Saleh Md Bakibillah,
  • Md Tanvir Hasan and
  • Md Abdus Samad Kamal

23 November 2021

In this study, we theoretically investigated the effect of step gate work function on the InGaAs p-TFET device, which is formed by dual material gate (DMG). We analyzed the performance parameters of the device for low power digital and analog applica...

(This article belongs to the Special Issue Semiconductor and Nanophotonic Devices)
  • Article
  • Open Access
2,058 Views
19 Pages

26 February 2025

This paper presents a new bivariate mixture Lindley power function (BMLPF) distribution that employs a conditional approach with non-identical asymmetric distributions, distinguishing itself by the incorporation of a functional shape parameter. Vario...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
3 Citations
3,613 Views
9 Pages

12 January 2025

This paper presents a W-band power amplifier monolithic microwave integrated circuit (MMIC) that is designed for high-precision millimeter-wave systems and fabricated using a 0.1 µm GaAs pHEMT process. The amplifier’s stability was evalua...

(This article belongs to the Section E: Engineering and Technology)
  • Article
  • Open Access
9 Citations
2,210 Views
13 Pages

14 October 2022

Since the eigenvalue problem of real supersymmetric tensors was proposed, there have been many results regarding the numerical algorithms for computing the spectral radius of nonnegative tensors, among which the NQZ method is the most studied. Howeve...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
2 Citations
6,279 Views
32 Pages

24 October 2019

In this research, the concept of nonlinear transfer function with nonlinear characteristics is introduced through the multidimensional Laplace transform and modal series (MS) method. The method of modal series is applied to the power systems dynamics...

(This article belongs to the Section F: Electrical Engineering)
  • Article
  • Open Access
20 Citations
2,887 Views
18 Pages

Short-Term Photovoltaic Power Generation Prediction Based on Copula Function and CNN-CosAttention-Transformer

  • Keyong Hu,
  • Zheyi Fu,
  • Chunyuan Lang,
  • Wenjuan Li and ,
  • Qin Tao and
  • Ben Wang
  • + 1 author+ 0 author

12 July 2024

The intermittent nature of solar energy poses significant challenges to the integration of photovoltaic (PV) power generation into the electrical grid. Consequently, the precise forecasting of PV power output becomes essential for efficient real-time...

  • Article
  • Open Access
13 Citations
3,864 Views
22 Pages

Energy-Aware Online Non-Clairvoyant Scheduling Using Speed Scaling with Arbitrary Power Function

  • Pawan Singh,
  • Baseem Khan,
  • Ankit Vidyarthi,
  • Hassan Haes Alhelou and
  • Pierluigi Siano

8 April 2019

Efficient job scheduling reduces energy consumption and enhances the performance of machines in data centers and battery-based computing devices. Practically important online non-clairvoyant job scheduling is studied less extensively than other algor...

(This article belongs to the Special Issue Energy Management and Smart Grids)
  • Article
  • Open Access
21 Citations
7,673 Views
15 Pages

21 March 2019

To examine the applicability of the nacelle transfer function (NTF) derived from nacelle light detection and ranging (LIDAR) measurements to wind turbine power performance testing without a met mast, wind turbine power performance measurement was car...

(This article belongs to the Section F: Electrical Engineering)
  • Article
  • Open Access
7 Citations
3,824 Views
15 Pages

21 August 2022

Various machine learning models have been used in the biomedical engineering field, but only a small number of studies have been conducted on respiratory rate estimation. Unlike ensemble models using simple averages of basic learners such as bagging,...

(This article belongs to the Special Issue Deep Learning and Machine Learning in Biomedical Data)
  • Article
  • Open Access
5 Citations
1,946 Views
13 Pages

22 February 2024

In a high proportion of wind–photovoltaic–hydro hybrid power systems, fluctuation and dispersion make it difficult to accurately quantify the output characteristics. Therefore, in this study, a cloud model and copula correlation coefficie...

(This article belongs to the Section A: Sustainable Energy)
  • Article
  • Open Access
3 Citations
4,949 Views
13 Pages

Quantifying Thermal Discharges from Nuclear Power Plants: A Remote Sensing Analysis of Environmental Function Zones

  • Xiang Wang,
  • Xiu Su,
  • Lin Wang,
  • Xinxin Wang and ,
  • Qinghui Meng and
  • Jin Xu
  • + 1 author+ 0 author

13 January 2025

Nuclear energy plays a crucial role in global carbon reduction. However, thermal discharges from nuclear power plants can potentially impact marine ecosystems. This study investigates the long-term thermal impact of the Haiyang Nuclear Power Plant on...

  • Article
  • Open Access
15 Citations
3,877 Views
18 Pages

A Novel Single-Phase Shunt Active Power Filter with a Cost Function Based Model Predictive Current Control Technique

  • Belqasem Aljafari,
  • Kanagavel Rameshkumar,
  • Vairavasundaram Indragandhi and
  • Selvamathi Ramachandran

21 June 2022

For a single-phase Shunt Active Power Filter (SAPF) with a two-step prediction, this research presents a modified current control based on a Model Predictive Current Control (MPCC) technique. An H-bridge inverter, a DC link capacitor, and a filter in...

(This article belongs to the Special Issue Smart Energy Management for Microgrid and Photovoltaic Systems)
  • Article
  • Open Access
29 Citations
4,068 Views
19 Pages

Mixed Kernel Function Support Vector Regression with Genetic Algorithm for Forecasting Dissolved Gas Content in Power Transformers

  • Tusongjiang Kari,
  • Wensheng Gao,
  • Ayiguzhali Tuluhong,
  • Yilihamu Yaermaimaiti and
  • Ziwei Zhang

14 September 2018

Forecasting dissolved gas content in power transformers plays a significant role in detecting incipient faults and maintaining the safety of the power system. Though various forecasting models have been developed, there is still room to further impro...

  • Article
  • Open Access
480 Views
24 Pages

1 August 2026

Familiar and unfamiliar face recognition is an important cognitive process with potential applications in brain-computer interface (BCI) systems and neurocognitive assessment. Classification of familiar and unfamiliar faces based on electroencephalog...

(This article belongs to the Section Signal and Data Analysis)
  • Article
  • Open Access
2 Citations
2,944 Views
16 Pages

2 August 2021

The modular multilevel converter–bidirectional DC–DC converter (MMC–BDC) has been proposed to be utilized in the vessel integrated power system to interconnect the medium voltage bus and the distributed energy storage elements. In the shipboard appli...

  • Article
  • Open Access
5,305 Views
14 Pages

10 December 2014

Power consumption is the major constraint for modern microprocessor designs. In particular, static power consumption becomes a serious problem as the transistor size shrinks via semiconductor technology improvement. This paper proposes a technique th...

  • Feature Paper
  • Article
  • Open Access
9 Citations
7,206 Views
19 Pages

6 January 2016

The threat of thermal fatigue is an increasing concern for thermal power plant operators due to the increasing tendency to adopt “two-shifting” operating procedures. Thermal plants are likely to remain part of the energy portfolio for the foreseeable...

(This article belongs to the Special Issue Failure Analysis in Materials)
  • Article
  • Open Access
6 Citations
2,244 Views
10 Pages

Comparative Analysis of Intraocular Lens Power Calculation Formulas (Kane, Barrett Universal II, Hill–Radial Basis Function, and Ladas Super Formula): Which One Is More Accurate?

  • Ionela-Iasmina Yasar,
  • Servet Yasar,
  • Leila Al Barri,
  • Diana-Maria Darabus and ,
  • Andreea-Talida Tîrziu,
  • Mihnea Munteanu and
  • Horia Tudor Stanca
  • + 2 authors+ 0 author

3 April 2025

Background: The most widely used contemporary intraocular lens power calculation formulas are the Kane formula, Barrett Universal II formula, Hill–Radial Basis Function, and Ladas Super Formula, each of which was developed to improve postoperat...

(This article belongs to the Special Issue Cataract and Refractive Surgery, and Intraocular Lens (IOL) Implantation: Recent Advances and Perspectives)
  • Article
  • Open Access
2 Citations
4,021 Views
21 Pages

3 September 2024

In this paper, by means of the Faà di Bruno formula, with the help of explicit formulas for partial Bell polynomials at specific arguments of two specific sequences generated by derivatives at the origin of the inverse sine and inverse cosine...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
7 Citations
3,357 Views
12 Pages

Evaluation of Isolation Area, Myocardial Injury and Left Atrial Function Following High-Power Short-Duration Radiofrequency or Second-Generation Cryoballoon Ablation for Atrial Fibrillation

  • Krisztian Istvan Kassa,
  • Zsofia Nagy,
  • Daniel Simkovits,
  • Zsuzsanna Kis and ,
  • Tamas Ferenci,
  • Zoltan Som,
  • Csaba Foldesi and
  • Attila Kardos
  • + 3 authors+ 0 author

This randomized study aims to compare the left atrial (LA) lesion size, function, and tissue damage following pulmonary vein isolation (PVI) by high-power short-duration (HPSD) radiofrequency (RF) and second-generation cryoballoon (CB2) ablation. We...

(This article belongs to the Special Issue Catheter Ablation of Cardiac Arrhythmias: Practices and Outcomes)
  • Feature Paper
  • Article
  • Open Access
5 Citations
2,171 Views
13 Pages

Some Properties of the Functions Representable as Fractional Power Series

  • Ghiocel Groza,
  • Marilena Jianu and
  • Ion Mierluş-Mazilu

24 March 2024

The α-fractional power moduli series are introduced as a generalization of α-fractional power series and the structural properties of these series are investigated. Using the fractional Taylor’s formula, sufficient conditions for a...

  • Article
  • Open Access
4 Citations
2,683 Views
15 Pages

7 November 2023

Quantum obfuscation is one of the important primitives in quantum cryptography that can be used to enhance the security of various quantum cryptographic schemes. The research on quantum obfuscation focuses mainly on the obfuscatability of quantum fun...

(This article belongs to the Special Issue Quantum and Classical Physical Cryptography)
  • Article
  • Open Access
20 Citations
6,107 Views
16 Pages

Wind Turbine Power Curve Modelling with Logistic Functions Based on Quantile Regression

  • Bo Jing,
  • Zheng Qian,
  • Hamidreza Zareipour,
  • Yan Pei and
  • Anqi Wang

29 March 2021

The wind turbine power curve (WTPC) is of great significance for wind power forecasting, condition monitoring, and energy assessment. This paper proposes a novel WTPC modelling method with logistic functions based on quantile regression (QRLF). First...

(This article belongs to the Section Energy Science and Technology)
  • Article
  • Open Access
6 Citations
2,267 Views
15 Pages

Method for Obtaining Coefficients of Powers of Multivariate Generating Functions

  • Dmitry Kruchinin,
  • Vladimir Kruchinin and
  • Yuriy Shablya

26 June 2023

There are several general concepts that allow obtaining explicit formulas for the coefficients of generating functions in one variable by using their powers. One such concept is the application of compositae of generating functions. In previous studi...

(This article belongs to the Special Issue Random Combinatorial Structures)
  • Article
  • Open Access
1 Citations
1,860 Views
16 Pages

21 August 2025

Derivative-matching approximations are constructed as power series built from functions. The method assumes knowledge of the special values of the Bell polynomials of the second kind, for which we refer to the literature. The presented ideas may have...

(This article belongs to the Special Issue Numerical Computation, Approximation of Functions and Applied Mathematics, 2nd Edition)
  • Feature Paper
  • Article
  • Open Access
2 Citations
1,765 Views
21 Pages

4 March 2025

The different forms of power functions will be studied in connection with the unified fractional derivative, and their Fourier transform will be computed. In particular, one-sided, even, and odd powers will be studied.

(This article belongs to the Special Issue Fractional Calculus and Mathematical Applications, 2nd Edition)
  • Article
  • Open Access
12 Citations
4,546 Views
17 Pages

Method for Obtaining Coefficients of Powers of Bivariate Generating Functions

  • Dmitry Kruchinin,
  • Vladimir Kruchinin and
  • Yuriy Shablya

22 February 2021

In this paper, we study methods for obtaining explicit formulas for the coefficients of generating functions. To solve this problem, we consider the methods that are based on using the powers of generating functions. We propose to generalize the conc...

(This article belongs to the Special Issue Polynomial Sequences and Their Applications)
  • Article
  • Open Access
6 Citations
2,202 Views
12 Pages

9 December 2020

Let f(z) be a holomorphic Hecke eigenform of weight k with respect to SL(2,Z) and let L(s,sym2f)=∑n=1∞cnn−s,ℜs>1 denote the symmetric square L-function of f. In this paper, we consider the Riesz mean of the form Dρ(x;sym2f...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
60 Citations
4,970 Views
25 Pages

Alienation Coefficient and Wigner Distribution Function Based Protection Scheme for Hybrid Power System Network with Renewable Energy Penetration

  • Sheesh Ram Ola,
  • Amit Saraswat,
  • Sunil Kumar Goyal,
  • Virendra Sharma and ,
  • Baseem Khan,
  • Om Prakash Mahela,
  • Hassan Haes Alhelou and
  • Pierluigi Siano
  • + 3 authors+ 0 author

2 March 2020

The rapid growth of grid integrated renewable energy (RE) sources resulted in development of the hybrid grids. Variable nature of RE generation resulted in problems related to the power quality (PQ), power system reliability, and adversely affects th...

(This article belongs to the Special Issue Grid-Connected PV Plants)
  • Article
  • Open Access
1 Citations
3,078 Views
17 Pages

The Exponential Versus the Complex Power ez Function Revisited

  • Luis M. Sánchez-Ruiz,
  • Matilde Legua,
  • Santiago Moll-López,
  • José A. Moraño-Fernández and
  • María-Dolores Roselló

16 April 2025

The complex exponential function exp is a well-known entire function. In this paper, we recall its relation with the definition of the complex power of a complex number, which emanates that the complex power ez may coincide with it at some complex va...

(This article belongs to the Section E: Applied Mathematics)
  • Article
  • Open Access
3,019 Views
21 Pages

29 January 2021

We study power-mixture type functional equations in terms of Laplace–Stieltjes transforms of probability distributions on the right half-line [0,∞). These equations arise when studying distributional equations of the type Z=dX+TZ, where the random va...

(This article belongs to the Special Issue Characterization of Probability Distributions)
  • Article
  • Open Access
11 Citations
3,106 Views
18 Pages

24 June 2021

In this paper, we consider fractional ordinary differential equations and the fractional Euler–Poisson–Darboux equation with fractional derivatives in the form of a power of the Bessel differential operator. Using the technique of the Meijer integral...

(This article belongs to the Special Issue Higher Transcendental Functions and Their Multi-Disciplinary Applications)
  • Article
  • Open Access
6 Citations
3,982 Views
19 Pages

Feature extraction plays an important role in machine learning for signal processing, particularly for low-dimensional data visualization and predictive analytics. Data from real-world complex systems are often high-dimensional, multi-scale, and non-...

(This article belongs to the Special Issue Explainable Computational Intelligence, Theory, Methods and Applications)

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