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PIECEWISE: 作品数：318被引量：354H指数：7; 导出分析报告; 相关领域：自动化与计算机技术理学更多>>; 相关作者：刘敏王旭黄博许雪峰廖斌更多>>; 相关机构：重庆交通大学南京理工大学成都东软信息技术学院湖北大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>

Piecewise pseudo almost automorphic solution for impulsive Lasota-Wazewska model with mixed delays: 《Applied Mathematics(A Journal of Chinese Universities)》2025年第1期102-121,共20页Meryem Abdelaziz Farouk Cherif; In this paper,the existence,uniqueness,asymptotic and global exponential stability of pseudo almost automorphic solution for a class of delayed Lasota-Wazewska model with impulsive effects are established by applying ...; 关键词：Lasota-Wazewska model existence and uniqueness pseudo almost automorphic asymptotic and exponential stability

Multi-Scenario Probabilistic Load Flow Calculation Considering Wind Speed Correlation: 《Energy Engineering》2025年第2期667-680,共14页Xueqian Wang Hongsheng Su; supported by Basic Science Research Program through the National Natural Science Foundation of China(Grant No.61867003).; As the proportion of newenergy increases,the traditional cumulant method(CM)produces significant errorswhen performing probabilistic load flow(PLF)calculations with large-scale wind power integrated.Considering the wi...; 关键词：Wind speed correlation probabilistic load flow multi-scenario PIECEWISE cumulant method

Global Piecewise Analysis of HIV Model with Bi-Infectious Categories under Ordinary Derivative and Non-Singular Operator with Neural Network Approach: 《Computer Modeling in Engineering & Sciences》2025年第1期609-633,共25页Ghaliah Alhamzi Badr Saad TAlkahtani Ravi Shanker Dubey Mati ur Rahman; supported and funded by the Deanship of Scientific Research at Imam Mohammad Ibn Saud Islamic University(IMSIU)(grant number IMSIU-RP23066).; This study directs the discussion of HIV disease with a novel kind of complex dynamical generalized and piecewise operator in the sense of classical and Atangana Baleanu(AB)derivatives having arbitrary order.The HIV i...; 关键词：HIV infection model qualitative scheme approximate solution piecewise global operator neural network

基于SSA-VMD-INGO-RF的短期风电功率预测: 《现代电子技术》2024年第24期88-96,共9页汪繁荣梅涛张旭东汪筠涵肖悦; 国家自然科学基金项目(52307239)。; 为解决风电功率输出的不确定性、弱化电网波动以及电网的提质增效等问题,提出一种基于变分模态分解(VMD)、Piecewise混沌映射、北方苍鹰优化(NGO)算法和随机森林(RF)的组合模型。该模型采用麻雀搜索算法(SSA)对VMD核心参数(K值和惩罚系...; 关键词：短期风电功率预测北方苍鹰算法 Piecewise混沌映射随机森林变分模态分解麻雀搜索算法

Intercomparison of conventional and new methods for estimating eddy kinetic energy: 《Acta Oceanologica Sinica》2024年第12期1-12,共12页Wenyu Li Guidi Zhou Xuhua Cheng; The National Natural Science Foundation of China under contract No.42276002;the Fund of State Key Laboratory of Tropical Oceanography,South China Sea Institute of Oceanography,Chinese Academy of Sciences under contract No.LTO2201;the Fund of Key Laboratory of Marine Hazards Forecasting,Ministry of Natural Resources,China under contract No.LOMF2201。; We introduce a new method, the piecewise Reynolds mean(PREM), for decomposing the flow velocity into the mean-flow and eddy-flow parts in the time domain for subsequent calculation of the mean flow kinetic energy(MKE)...; 关键词：mesoscale eddy kinetic energy piecewise Reynolds mean

Theoretically Expected Phase Portrait of an Initial Value Problem with Periodic Piecewise Continuous Functions: 《International Journal of Modern Nonlinear Theory and Application》2024年第3期29-44,共16页Hugo Ramón Olmedo Mareco; This work predicts theoretically the phase portrait including the existence and uniqueness of ω-limit cycle for an initial value problem y(0)=y0with an ordinary differential equation y′+py=fin which p and f are L-pe...; 关键词：Ordinary Linear Nonhomogeneous Differential Equation One-Sided Limits

Development of a Three-Dimensional Multiscale Octree SBFEM for Viscoelastic Problems of Heterogeneous Materials: 《Computer Modeling in Engineering & Sciences》2024年第8期1831-1861,共31页Xu Xu Xiaoteng Wang Haitian Yang Zhenjun Yang Yiqian He; NSFC Grants(12072063,11972109);Grant of State Key Laboratory of Structural Analysis for Industrial Equipment(S22403);National Key Research and Development Program of China(2020YFB1708304);Alexander von Humboldt Foundation(1217594).; The multiscale method provides an effective approach for the numerical analysis of heterogeneous viscoelastic materials by reducing the degree of freedoms(DOFs).A basic framework of the Multiscale Scaled Boundary Fini...; 关键词：Three-dimensionalmultiscale viscoelastic analysis numerical base functions octree SBFEM image-based analysis temporally piecewise adaptive algorithm

ON THE STABILITY OF PERIODIC SOLUTIONS OF PIECEWISE SMOOTH PERIODIC DIFFERENTIAL EQUATIONS: 《Acta Mathematica Scientia》2024年第4期1524-1535,共12页Maoan HAN Yan YE; supported by the NSFC(11931016)。; In this paper,we address the stability of periodic solutions of piecewise smooth periodic differential equations.By studying the Poincarémap,we give a sufficient condition to judge the stability of a periodic solutio...; 关键词：periodic solution Poincarémap periodic equation stability

Numerical study of air cavity characteristics of bow wave breaking of KCS ship under different speeds: 《Journal of Hydrodynamics》2024年第4期678-692,共15页Tian-yi Mao Feng-jun Bao Jian-hua Wang De-cheng Wan Zhao-jie Wang; Project supported by the National Natural Science Foundation of China(Grant No.52131102).; Ship bow wave breaking contains complex flow mechanism,which is very important for ship performance.In this study,a practical numerical simulation scheme for bow wave breaking is proposed and the scheme is applied to ...; 关键词：Bow wave breaking KRSIO Container Ship(KCS) air cavity delayed detached eddy simulation(DDES)method piecewise line interface calculation-volume of fluid(PLIC-VOF)method

基于Piecewise映射的安全密文域可逆信息隐藏算法: 《现代电子技术》2024年第14期1-8,共8页万洪莉张敏情柯彦蒋宗宝狄富强姜超; 国家自然科学基金项目(62272478);国家自然科学基金项目(62102450);国家自然科学基金项目(62102451);国家社会科学基金项目(2022-SKJJ-C-091);国防科技自主科研项目:智能信息隐藏技术及某领域应用研究。; 密文域可逆信息隐藏(RDH-ED)中常采用对称加密,但仅采用流密码异或(XOR)、置乱或两者结合的方法,在现有条件下难以抵抗唯密文攻击、选择明文攻击或已知明文攻击(KPA)。为了提高RDH-ED的安全性,提出一种基于Piecewise混沌映射的安全RDH-E...; 关键词：密文域可逆信息隐藏 Piecewise混沌映射异或加密置乱加密图像加密信息嵌入抗攻击性

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