全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

随机动力系统最优控制准则研究

, PP. 112-117

Keywords: 随机最优控制,概率密度演化,最优控制准则,超越概率,权矩阵优化

Full-Text   Cite this paper   Add to My Lib

Abstract:

根据线性二次最优控制理论,给出了系统随机最优控制的控制律一般形式.从目标控制量的物理意义出发,提出了基于系统概率密度演化分析的最优控制准则,建立了递阶层次的演化过程控制准则类.以线性单自由度体系随机地震反应最优控制为例,分析了各控制准则类的权矩阵参数优化结果,并根据最优控制律进行了系统随机最优控制研究.结果表明,本文提出的系统随机最优控制的控制律确定方法可以对系统性态进行有效的控制.

References

[1]  Wiener N.Extrapolation,interpolation and smoothing of stationary tmie series,with Engineering applications[M].Cambridge:The MIT Press,1949.
[2]  Sperb R P.M ax imum principles and their applications[M].New York:Academic Press,1981.
[3]  Belmlan R.Dynamic programming[M].Princeton:Princeton University Press,1957.
[4]  Li J,Chen J B.Prob ability density evolution method for dynamic response analys is of structures with uncertain parameters[J].Computational Mechanics,2004,34(5):400-409.
[5]  Chen J B,Li J.Dynamic response and reliability analysis of nonlinear stochastic structures[J].Probabilistic Engineering Mechanics,2005,20(1):33-44.
[6]  李杰.随机动力系统的物理逼近[J].中国科技论文在线,2006,1(1):95-104.
[7]  Li J,Chen J B.Stochastic dynamics of structures[M].John Wiley&Sons,2009.Li J,Peng YB.Stochasti coptmial control of earthquake-ex-cited linear systems[C]//The 8th Pacific Conference on Earthquake Engineering,Singapore,2007:5-7.
[8]  Li J,Peng Y B,Chen J B.Aphysical approach to structural stochastic optimal controls[J].Probabilistic Engineering Mechanics,2010,25:127-141.
[9]  Soong T T.A ctive structural control:Theory and practice[M].New York:Longm an Scien tific&Technical, 1990.
[10]  Stengel R F.Stochasticop tmial control:Theory and application[M].New York:John Wiley&Son s,Inc,1986.
[11]  Li,JChen J B.The prin ciple of preservation of probab ility and the generalized density evolution equation[J].Structural afety,2008,30:65-77.
[12]  Li J,Chen J B,Fan W L.The equivalent extreme-value event and evaluation of the structural system reliability[J].Structural Safety,2007,29(2):112-131.
[13]  李杰,艾晓秋.基于物理的随机地震动模型研究[J].地震工程与工程振动,2006,26(5):21-26.
[14]  A granovich G,R ibakov Y,B losttotsky B.Anumerical method for choice of weighting matrices in active con trolled structures[J].Struct.Design Tall Spec.Bu ild,2004,13:55-72.
[15]  Mathews J H,Fink K D.Numerical methods using mat lab[M].4th ed.Boston:Prentice Hall, 2003.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133