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国家自然科学基金(10772159): 作品数：12被引量：15H指数：3; 导出分析报告; 相关作者：朱位秋李钟慎陈林聪李海锋邓茂林更多>>; 相关机构：浙江大学华侨大学更多>>; 相关期刊：《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》《中国科学：物理学、力学、天文学》《Acta Mechanica Sinica》《Science China(Physics,Mechanics & Astronomy)》更多>>; 相关主题：QUASI随机平均法INTEGRABLEHAMILTONIANACTUATOR_SATURATION更多>>; 相关领域：理学自动化与计算机技术水利工程一般工业技术更多>>

宽带噪声激励下含分数阶导数的Duffing-van del Pol振子的稳态响应被引量：6: 《中国科学：物理学、力学、天文学》2013年第5期670-677,共8页陈林聪李海锋李钟慎朱位秋; 国家自然科学基金(批准号:10772159;10932009;11272279;11002059);教育部博士点新教师基金项目(编号:20103501120003);福建省自然科学基金项目(编号:2010J05006);中央高校基本业务费(编号:JB-SJ1010)资助项目; 应用广义谐波平衡技术,将分数阶导数表示的回复力分解为幅值依赖的等效拟线性阻尼力和拟线性回复力.然后,应用基于广义谐和函数的随机平均法得到关于系统幅值的平均伊藤随机微分方程,系统幅值的稳态概率密度通过求解与之相应的平稳FPK...; 关键词：分数阶导数 Duffing-van DEL Pol振子随机平均法稳态响应

Stochastic optimal control of partially observable nonlinear quasi-integrable Hamiltonian systems被引量：2: 《Science China(Physics,Mechanics & Astronomy)》2010年第1期147-154,共8页FENG Ju, ZHU WeiQiu & YING ZuGuang Department of Mechanics, State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China; Supported by the National Natural Science Foundation of China (Grant Nos.1093209 and 10772159);the Specialized Research Fund for Doctor Program of Higher Education of China (Grant No. 20060335125);the Zhejiang Provincial Natural Science Foundation of China (Grant No. Y7080070); The stochastic optimal control of partially observable nonlinear quasi-integrable Hamiltonian systems is investigated. First, the stochastic optimal control problem of a partially observable nonlinear quasi-integrable...; 关键词：quasi-integrable HAMILTONIAN system PARTIAL OBSERVATION STOCHASTIC optimal control

拟哈密顿系统随机平均法在物理学中的若干应用被引量：1: 《中国科学（G辑）》2009年第6期821-829,共9页邓茂林朱位秋; 国家自然科学基金(批准号:10772159;10802074);高等学校博士学科点专项科研基金(编号:20060335125);浙江省自然科学基金(编号:Y7080070)资助项目; 许多物理系统可模型化为拟哈密顿系统,运用拟哈密顿系统随机平均法得到合理的近似系统响应统计量.该文先简述拟哈密顿系统随机平均法的基本思想和步骤,然后综述随机平均法在物理学中的若干应用,包括主动布朗粒子运动、反应速率理论、DN...; 关键词：拟哈密顿系统随机平均法布朗运动反应速率理论 DNA变性 FERMI共振

Feedback maximization of reliability of MDOF quasi integrable-Hamiltonian systems under combined harmonic and white noise excitations: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2009年第9期1245-1251,共7页Lin-cong CHEN Rong-hua HUAN Wei-qiu ZHU; Project supported by the National Natural Science Foundation of China (No. 10772159);the Research Fund for the Doctoral Program of Higher Education of China (No. 20060335125);the Zhejiang Provincial Nature Science Foundation of China (No. Y7080070); We studied the feedback maximization of reliability of multi-degree-of-freedom （MDOF） quasi integrable-Hamiltonian systems under combined harmonic and white noise excitations. First, the partially averaged Ito equat...; 关键词：Stochastic optimal control Dynamical programming Quasi integrable-Hamiltonian system Stochastic averaging Combined harmonic and white noise excitation RELIABILITY

Time-delayed feedback control optimization for quasi linear systems under random excitations被引量：2: 《Acta Mechanica Sinica》2009年第3期395-402,共8页Xueping Li Demin Wei Weiqiu Zhu School of Civil Engineering and Transportation, South China University of Technology, 510640 Guangzhou, China Department of Mechanics, State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, 310027 Hangzhou, China; the National Natural Science Foundation of China (10772159);Specialized Research Fund for the Doctoral Program of Higher Education of China (20060335125); A strategy for time-delayed feedback control optimization of quasi linear systems with random excitation is proposed. First, the stochastic averaging method is used to reduce the dimension of the state space and to de...; 关键词：Quasi linear system Time-delayed feedback Stochastic averaging method Random excitation

STOCHASTIC OPTIMAL VIBRATION CONTROL OF PARTIALLY OBSERVABLE NONLINEAR QUASI HAMILTONIAN SYSTEMS WITH ACTUATOR SATURATION被引量：1: 《Acta Mechanica Solida Sinica》2009年第2期143-151,共9页Ronghua Huan Lincong Chen Weiliang Jin Weiqiu Zhu; supported by the National Natural Science Foundation of China (Nos. 10332030 and 10772159);Research Fund for doctoral Program of Higher Education of China (No. 20060335125); An optimal vibration control strategy for partially observable nonlinear quasi Hamiltonian systems with actuator saturation is proposed. First,a controlled partially observable non-linear system is converted into a co...; 关键词：nonlinear system random excitations optimal control partially observation actuator saturation

Compensation for time-delayed feedback bang-bang control of quasi-integrable Hamiltonian systems被引量：4: 《Science China(Technological Sciences)》2009年第3期688-697,共10页LIU ZhongHua1 & ZHU WeiQiu2 1 Department of Civil Engineering, Xiamen University, Xiamen 361005, China 2 Department of Mechanics, State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China; Supported by the National Natural Science Foundation of China (Grant No. 10772159);the Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20060335125);Zhejiang Natural Science Foundation (Grant No. Y7080070);Fujian Provincial Science and Technology Project (Grant No. 2005YZ1021); The stochastic averaging method for quasi-integrable Hamiltonian systems with time-delayed feedback bang-bang control is first introduced. Then, two time delay compensation methods, namely the method of changing contr...; 关键词：time-delayed FEEDBACK CONTROL COMPENSATION method bang-bang CONTROL quasi-integrable HAMILTONIAN system

Science Letters:A minimax optimal control strategy for uncertain quasi-Hamiltonian systems: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2008年第7期950-954,共5页Yong WAN Zu-guang YIN Wei-qiu ZHU; the National Natural Science Foundation of China (No. 10772159);the Specialized Research Fund for DoctorProgram of Higher Education of China (No. 20060335125) ;theNatural Science Foundation of Zhejiang Province (No. Y607087),China; A minimax optimal control strategy for quasi-Hamiltonian systems with bounded parametric and/or external disturbances is proposed based on the stochastic averaging method and stochastic differential game. To conduct t...; 关键词：Nonlinear quasi-Hamiltonian system Minimax optimal control Stochastic excitation Uncertain disturbance Stochastic averaging Stochastic differential game

不确定结构非线性随机最优控制的鲁棒性: 《浙江大学学报（工学版）》2008年第7期1101-1105,1157,共6页茅僰应祖光朱位秋; 国家自然科学基金重点资助项目(10332030);国家自然科学基金资助项目(10772159); 对地震地面运动引起的不确定剪切结构振动的非线性随机最优控制的鲁棒性进行了研究.基于系统参数不确定性与激励随机性的独立性假定,将具平均参数的名义结构进行模态变换解耦,运用拟可积哈密顿系统随机平均法与随机动态规划原理得到非...; 关键词：不确定性结构随机激励随机平均法随机动态规划最优控制鲁棒性

STOCHASTIC OPTIMAL CONTROL OF STRONGLY NONLINEAR SYSTEMS UNDER WIDE-BAND RANDOM EXCITATION WITH ACTUATOR SATURATION被引量：3: 《Acta Mechanica Solida Sinica》2008年第2期116-126,共11页Changshui Feng Weiqiu Zhu; the National Natural Science Foundation of China(Nos.10332030 and 10772159);Research Fund for Doctoral Program of Higher Education of China(No.20060335125).; A bounded optimal control strategy for strongly non-linear systems under non-white wide-band random excitation with actuator saturation is proposed. First, the stochastic averaging method is introduced for controlled ...; 关键词：nonlinear system optimal control actuator saturation stochastic averaging Wide-band random excitation

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