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检索条件"主题词=Block Pulse functions"
69 条 记 录,以下是1-10 订阅
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Numerical solutions of stochastic delay integro-differential equations by block pulse functions
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APPLIED NUMERICAL MATHEMATICS 2025年 208卷 214-230页
作者: Jiang, Guo Chen, Yuanqin Ying, Jiayi Hubei Normal Univ Sch Math & Stat Huangshi Key Lab Metaverse & Virtual Simulat Huangshi 435002 Peoples R China
This paper presents an efficient numerical method for solving nonlinear stochastic delay integrodifferential equations based on block pulse functions. Firstly, the equation is transformed into an algebraic system by t... 详细信息
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A new method for solving variable coefficients fractional differential equations based on a hybrid of Bernoulli polynomials and block pulse functions
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MATHEMATICAL METHODS IN THE APPLIED SCIENCES 2023年 第7期46卷 8054-8073页
作者: Zhang, Bo Tang, Yinggan Zhang, Xuguang Yanshan Univ LiRen Coll Qinhuangdao Hebei Peoples R China Yanshan Univ Inst Elect Engn Qinhuangdao 066004 Hebei Peoples R China Hangzhou Dianzi Univ Sch Commun Engn Hangzhou Peoples R China
block pulse functions (BPFs) are constant functions on each subinterval and not so smooth. This property makes BPFs incapable of approximating function accurately. Therefore, the existing BPFs method is insufficiently... 详细信息
来源: 评论
Parameter Identification of Fractional Order Systems Using a Hybrid of Bernoulli Polynomials and block pulse functions
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IEEE ACCESS 2021年 9卷 40178-40186页
作者: Zhang, Bo Tang, Yinggan Zhang, Xuguang Zhang, Chunjiang Yanshan Univ Inst Elect Engn Qinhuangdao 066004 Hebei Peoples R China Yanshan Univ LiRen Coll Qinhuangdao 066004 Hebei Peoples R China Hangzhou Dianzi Univ Sch Commun Engn Hangzhou 310018 Peoples R China
block pulse functions (BPFs) are piecewise constant and not sufficiently smooth. Therefore, their accuracy is limited when it comes to identifying the parameters of fractional order systems (FOSs). This in turn means ... 详细信息
来源: 评论
Numerical solution of fractional differential equations using hybrid Bernoulli polynomials and block pulse functions
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MATHEMATICAL SCIENCES 2021年 第3期15卷 293-304页
作者: Zhang, Bo Tang, Yinggan Zhang, Xuguang Yanshan Univ Inst Elect Engn Qinhuangdao 066004 Hebei Peoples R China Yanshan Univ LiRen Coll Qinhuangdao 066004 Hebei Peoples R China HangZhou Dianzi Univ Sch Commun Engn Hangzhou 310018 Zhejiang Peoples R China
block pulse functions are piecewise constant and not smooth enough. Therefore, they offer limited accuracy when used to approximate functions and unable to find highly accurate numerical solutions of fractional differ... 详细信息
来源: 评论
Identification of fractional-order systems with both nonzero initial conditions and unknown time delays based on block pulse functions
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MECHANICAL SYSTEMS AND SIGNAL PROCESSING 2022年 169卷 108646-108646页
作者: Sin, Myong-Hyok Sin, Cholmin Ji, Song Kim, Su-Yon Kang, Yun-Hui Kim II Sung Univ Fac Math Pyongyang North Korea Acad Sci Inst Math Pyongyang North Korea
In this paper, we present an effective method for the identification of fractional order system (FOS) with both nonzero initial conditions and unknown time delays based on a construction of suitable separable nonlinea... 详细信息
来源: 评论
Sliding Mode Control of Nonlinear Systems Under Nonstationary Random Vibrations via an Equivalent Linearization Method Using block pulse functions  1
Sliding Mode Control of Nonlinear Systems Under Nonstationar...
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1st International Nonlinear Dynamics Conference (NODYCON)
作者: Younespour, Amir Cheng, Shaohong Univ Windsor Dept Civil & Environm Engn Windsor ON Canada
This chapter proposes a sliding mode control (SMC) method for nonlinear systems subjected to stationary and nonstationary excitations. The equivalent linearization (EL) method is commonly used as an effective tool in ... 详细信息
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Solving fractional differential equation using block-pulse functions and Bernstein polynomials
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MATHEMATICAL METHODS IN THE APPLIED SCIENCES 2021年 第7期44卷 5501-5519页
作者: Zhang, Jie Tang, Yinggan Liu, Fucai Jin, Zhaopeng Lu, Yao Yanshan Univ Liren Coll Qinhuangdao Hebei Peoples R China Yanshan Univ Inst Elect Engn Qinhuangdao Hebei Peoples R China Yanshan Univ Key Lab Parallel Robot & Mechatron Syst Qinhuangdao Hebei Peoples R China
The method based on block pulse functions (BPFs) has been proposed to solve different kinds of fractional differential equations (FDEs). However, high accuracy requires considerable BPFs because they are piecewise con... 详细信息
来源: 评论
Parameter identification of fractional order systems with nonzero initial conditions based on block pulse functions
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MEASUREMENT 2020年 158卷 107684-000页
作者: Lu, Yao Tang, Yinggan Zhang, Xuguang Wang, Shuen Yanshan Univ Inst Elect Engn Qinhuangdao 066004 Hebei Peoples R China Yanshan Univ Liren Coll Qinhuangdao 066004 Hebei Peoples R China Hangzhou Dianzi Univ Sch Commun Engn Hangzhou 310018 Zhejiang Peoples R China Hulunbuir Univ Coll Mech & Elect Engn Hailar District 021008 Inner Mongolia Peoples R China
Ignoring the initial conditions in the identification of fractional order systems (FOS) usually results in incorrect parameter estimations. In this paper, we present a method for the online identification of FOS with ... 详细信息
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Numerical Solution of Two-Dimensional Nonlinear Stochastic Ito-Volterra Integral Equations by Applying block pulse functions
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Advances in Pure Mathematics 2019年 第2期9卷 53-66页
作者: Guo Jiang Xiaoyan Sang Jieheng Wu Biwen Li School of Mathematics and Statistics Hubei Normal University Huangshi China
This paper investigates the numerical solution of two-dimensional nonlinear stochastic Itô-Volterra integral equations based on block pulse functions. The nonlinear stochastic integral equation is transformed... 详细信息
来源: 评论
block pulse functions for solving fractional Poisson type equations with Dirichlet and Neumann boundary conditions
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BOUNDARY VALUE PROBLEMS 2017年 第1期2017卷 1页
作者: Xie, Jiaquan Huang, Qingxue Zhao, Fuqiang Gui, Hailian Taiyuan Univ Sci & Technol Coll Mech Engn Taiyuan 030024 Shanxi Peoples R China Taiyuan Univ Technol Coll Mech Engn Taiyuan 030024 Shanxi Peoples R China Shanxi Prov Key Lab Met Device Design Theory & Te Taiyuan Shanxi Peoples R China
In this study, the numerical technique based on two-dimensional block pulse functions (2D-BPFs) has been developed to approximate the solution of fractional Poisson type equations with Dirichlet and Neumann boundary c... 详细信息
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