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- 作者: Xie, Jiaquan,Wang, Haijun,Shi, Wei,Zhang, Jiale,Huo, Yiting,Cao, Jialin,Gao, Qiang ( aCollege of Mathematies and Statistics, Taiyuan Normal University, Jinzhong, 030619, China;bInter-discipline Collaborative Innovation Center of Mathematics and Mechanics, Taiyuan Normal University, Jinzhong, 030619, China;cCollege of Mechanical and Transportation Engineering, Taiyuan University of Technology, Taiyuan, 030024, China )
- 出处: 4104 2024 Vol.43 No.7 P168-174,195
- 关键词: Lyapunov first method Mathieu-Duffing system multi-scale method period-doubling bifurcation square damping term
- 摘要: Here, resonance and chaos of Mathieu-Duffing system with square damping term were studied. The multi-scale method was used to explore amplitude-freque
- 作者: 解加全,王海军,师玮,张佳乐,霍逸婷,曹佳琳,高蔷 ( 太原师范学院数学与统计学院;太原师范学院智能优化计算与区块链技术山西省重点实验室;太原理工大学机械与运载工程学院 )
- 出处: 4065 2024 第7期
- 关键词: Mathieu-Duffing系统 平方项阻尼 多尺度法 Lyapunov第一方法 倍周期分岔
- 摘要: 旨在研究含平方阻尼项Mathieu-Duffing系统的共振与混沌。利用多尺度法探究系统在参数和受迫联合激励作用下主共振的幅频与相频特性。基于Lyapunov 第一方法给出定常解的稳定性条件并判定系统存在的周期解支。依据系统异宿轨道参数方程推导系统出现异宿轨道横截相交及系统发生混沌的必要条件。根据分
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- 作者: 韩芷青,王海军 ( 太原师范学院数学与统计学院 )
- 出处: 224 2024 第23卷 第4期 P1-5,33
- 关键词: 多目标优化 半无限优化问题 存零约束优化 强KKT型最优性条件
- 摘要: 针对一类非光滑半无限多目标存零约束优化问题,利用Clarke次微分,给出问题NMPSC的强平稳点和Mordukhovich平稳点的定义.在广义凸性的假设下,证明了S-平稳条件和M-平稳条件是问题NMPSC的强KKT型最优性条件.
期刊
- 作者: Haijun Wang ,Gege Kang ,Ruifang Zhang ( School of Mathematics and Statistics, Taiyuan Normal University, Jinzhong 030619, China )
- 出处: 4177 2024 Vol.32 No.8 P5109-5126
- 关键词: multiobjective fractional optimization vanishing constraint locally Lipschitz function duality theorems
- 摘要: The aim of this paper is to investigate the optimality conditions for a class of nonsmooth multiobjective fractional optimization problems subject to
- 作者: 张瑞芳,王海军 ( 太原师范学院数学与统计学院 )
- 出处: 3518 2024 第11期
- 关键词: 超星学习通平台 教学改革 教学模式 考核方式
- 摘要: 为构建以学生为中心的高等数学课堂,借助超星学习通平台,开展线上线下混合式的课堂教学改革。通过对教学模式和教学评价方式的改革,有效激发了学生的学习积极性,提高了学生利用所学知识解决实际问题的能力。
- 作者: Si, Jialin,Xie, Jiaquan,Zhao, Peng,Wang, Haijun,Wang, Jinbin,Hao, Yan,Ren, Jiani,Shi, Wei ( aSchool of Mathematics and Statistics, Taiyuan Normal University, Jinzhong, China;bIntelligent Optimization Computing and Blockchain Technology Shanxi Provincial Key Laboratory, Shanxi Provincial Department of Education, Taiyuan Normal University, Jinzhong, China;cEngineering Research Center of Advanced Metal Composites Forming Technology and Equipment, Ministry of Education, Taiyuan University of Technology, Taiyuan, China;dCollege of Computer Science and Technology, Taiyuan Normal University, Jinzhong, China;eSchool of Applied Science, Taiyuan University of Science and Technology, Taiyuan, China;fShanxi Economic Construction Investment Group Co, Ltd, Huayuan International Land Port Group Co, Ltd, Taiyuan, China )
- 出处: 3221 2024
- 关键词: dry friction system fractional order Lyapunov exponent Melnikov method period doubling bifurcation safe basin erosion
- 摘要: This article investigates a class of Duffing nonlinear dynamic systems with fractional-order dry friction and conducts in-depth research on the stabil
- 作者: 王海军,王辉辉 ( 太原师范学院数学系 )
- 出处: 1713 2023 第27卷 第1期 P87-102
- 关键词: 局部Lipschitz函数 最优性条件 区间值优化问题 消失约束 对偶定理
- 摘要: 本文考虑一类带消失约束的非光滑区间值优化问题。在一定的约束条件下得到了问题的LU最优解的必要和充分性最优性条件,研究了其与Mond-Weir型对偶模型和Wolfe型对偶模型之间的弱对偶,强对偶和严格逆对偶定理,并给出了一些例子来阐述我们的结果。
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- 作者: 康格格,王海军 ( 太原师范学院数学与统计学院 )
- 出处: 3122 2023 第9期 P3981-3990
- 摘要: 本文研究一类带不等式约束和退化等式约束的多目标分式优化问题存在局部弱Pareto最优解、二阶严格局部Pareto最优解的二阶必要条件,建立了关于局部弱Pareto最优解的对偶Fritz-John型二阶必要条件,通过约束条件,将Fritz-John型必要条件变为Kuhn-Tucher型,并举例说明主要
- 作者: 王辉辉,王海军,杜佳楠 ( 太原师范学院数学系,山西 晋中 )
- 出处: 3572 2022 Vol.11 No.1 P342-348
- 关键词: E-凸区间值优化问题 广义E-凸性 E-KKT最优性条件 E-Convex Interval-Valued Optimization Problems Generalized E-Convexity E-KKT Optimality Conditions
- 摘要: In this paper, we studied the generalized E-convex interval-valued optimization problems with inequality and equality constraints . We gave the necess
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点击量:1
期刊
- 作者: Xie, Jiaquan,Wang, Haijun,Chen, Lei,Zhao, Fuqiang ( 1Department of Mathematics, Taiyuan Normal University 2Institute of Advanced Forming and Intelligent Equipment, Taiyuan University of Technology 3Key Laboratory for Engineering & Computational Science, Taiyuan Normal University 4Hefei Innovation Research Institute of Beihang University 5Engineering Research Center of Ministry of education of heavy machinery, Taiyuan University of Science and Technology )
- 出处: 3221 2022 P1
- 关键词: average method displacement response fractional oscillator system Grünwald–Letnikov fractional derivatives phase trajectory
- 摘要: In this paper, an analytical and numerical algorithm for solving displacement response of fractional oscillator system with cosine excitation is estab