GLORIA

GEOMAR Library Ocean Research Information Access

X

Ihre E-Mail wurde erfolgreich gesendet. Bitte prüfen Sie Ihren Maileingang.

Leider ist ein Fehler beim E-Mail-Versand aufgetreten. Bitte versuchen Sie es erneut.

Vorgang fortführen?

Exportieren
Filter
  • Mathematik  (6)
Materialart
Verlag/Herausgeber
Person/Organisation
Sprache
Erscheinungszeitraum
FID
  • Mathematik  (6)
  • 1
    Online-Ressource
    Online-Ressource
    Incomplete Phase Space Reconstruction Method Based on Subspace Adaptive Evolution Approximation
    Hindawi Limited ; 2013
    In:  Journal of Applied Mathematics Vol. 2013 ( 2013), p. 1-9
    Details
    In: Journal of Applied Mathematics, Hindawi Limited, Vol. 2013 ( 2013), p. 1-9
    Kurzfassung: The chaotic time series can be expanded to the multidimensional space by phase space reconstruction, in order to reconstruct the dynamic characteristics of the original system. It is difficult to obtain complete phase space for chaotic time series, as a result of the inconsistency of phase space reconstruction. This paper presents an idea of subspace approximation. The chaotic time series prediction based on the phase space reconstruction can be considered as the subspace approximation problem in different neighborhood at different time. The common static neural network approximation is suitable for a trained neighborhood, but it cannot ensure its generalization performance in other untrained neighborhood. The subspace approximation of neural network based on the nonlinear extended Kalman filtering (EKF) is a dynamic evolution approximation from one neighborhood to another. Therefore, in view of incomplete phase space, due to the chaos phase space reconstruction, we put forward subspace adaptive evolution approximation method based on nonlinear Kalman filtering. This method is verified by multiple sets of wind speed prediction experiments in Wulong city, and the results demonstrate that it possesses higher chaotic prediction accuracy.
    Materialart: Online-Ressource
    ISSN: 1110-757X , 1687-0042
    URL: Article
    DOI: 10.1155/2013/983051
    Sprache: Englisch
    Verlag: Hindawi Limited
    Publikationsdatum: 2013
    ZDB Id: 2578385-3
    SSG: 17,1
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    Online-Ressource
  • 2
    Online-Ressource
    Online-Ressource
    Reliability Assessment of Active Distribution System Using Monte Carlo Simulation Method
    Hindawi Limited ; 2014
    In:  Journal of Applied Mathematics Vol. 2014 ( 2014), p. 1-10
    Details
    In: Journal of Applied Mathematics, Hindawi Limited, Vol. 2014 ( 2014), p. 1-10
    Kurzfassung: In this paper we have treated the reliability assessment problem of low and high DG penetration level of active distribution system using the Monte Carlo simulation method. The problem is formulated as a two-case program, the program of low penetration simulation and the program of high penetration simulation. The load shedding strategy and the simulation process were introduced in detail during each FMEA process. Results indicate that the integration of DG can improve the reliability of the system if the system was operated actively.
    Materialart: Online-Ressource
    ISSN: 1110-757X , 1687-0042
    URL: Article
    DOI: 10.1155/2014/421347
    Sprache: Englisch
    Verlag: Hindawi Limited
    Publikationsdatum: 2014
    ZDB Id: 2578385-3
    SSG: 17,1
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    Online-Ressource
  • 3
    Online-Ressource
    Online-Ressource
    Impact of DG Configuration on Maximum Use of Load Supply Capability in Distribution Power Systems
    Hindawi Limited ; 2014
    In:  Journal of Applied Mathematics Vol. 2014 ( 2014), p. 1-9
    Details
    In: Journal of Applied Mathematics, Hindawi Limited, Vol. 2014 ( 2014), p. 1-9
    Kurzfassung: Traditional distributed generators (DGs) planning methods take network loss minimization as the main objective to optimize DG sites in feeders. The use of load supply capability (LSC) in DG planning will precisely answer the questions how many DGs should be integrated, which transformer they should be connected to, and which type of DGs should be adopted. The main work of this paper is to analyze the impact of DGs on LSC so as to answer the three key questions. It resolves the planning problem through three steps: (i) two LSC models considering DGs’ access are developed, in which two different transfer strategies are considered: direct load transfer and indirect load transfer; (ii) the method of combined simple method and point estimate method is proposed. At last, based on a base case, when the configuration of DGs is changing, the impact of DGs on system LSC is studied. After the case study, the conclusion concerning the impact of load transfer strategy, DG capacities, and DG types on LSC is reached.
    Materialart: Online-Ressource
    ISSN: 1110-757X , 1687-0042
    URL: Article
    DOI: 10.1155/2014/136726
    Sprache: Englisch
    Verlag: Hindawi Limited
    Publikationsdatum: 2014
    ZDB Id: 2578385-3
    SSG: 17,1
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    Online-Ressource
  • 4
    Online-Ressource
    Online-Ressource
    Lyapunov-Type Inequality for a Class of Discrete Systems with Antiperiodic Boundary Conditions
    Hindawi Limited ; 2013
    In:  Journal of Applied Mathematics Vol. 2013 ( 2013), p. 1-5
    Details
    In: Journal of Applied Mathematics, Hindawi Limited, Vol. 2013 ( 2013), p. 1-5
    Kurzfassung: A class of higher-order 3-dimensional discrete systems with antiperiodic boundary conditions is investigated. Based on the existence of the positive solution of linear homogeneous system, several new Lyapunov-type inequalities are established.
    Materialart: Online-Ressource
    ISSN: 1110-757X , 1687-0042
    URL: Article
    DOI: 10.1155/2013/494593
    Sprache: Englisch
    Verlag: Hindawi Limited
    Publikationsdatum: 2013
    ZDB Id: 2578385-3
    SSG: 17,1
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    Online-Ressource
  • 5
    Online-Ressource
    Online-Ressource
    Lower Bounds of Periods of Periodic Solutions for a Class of Differential Equations with Variable Delays
    Hindawi Limited ; 2013
    In:  Journal of Applied Mathematics Vol. 2013 ( 2013), p. 1-3
    Details
    In: Journal of Applied Mathematics, Hindawi Limited, Vol. 2013 ( 2013), p. 1-3
    Kurzfassung: Based on generalized Wirtinger's inequality, periods of periodic solutions of the nonautonomous differential equations with variable delays are investigated. Based on Hölder inequality, lower bounds of periods of periodic solutions for a class of functional differential equations with variable delays are obtained by a simple method.
    Materialart: Online-Ressource
    ISSN: 1110-757X , 1687-0042
    URL: Article
    DOI: 10.1155/2013/896168
    Sprache: Englisch
    Verlag: Hindawi Limited
    Publikationsdatum: 2013
    ZDB Id: 2578385-3
    SSG: 17,1
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    Online-Ressource
  • 6
    Online-Ressource
    Online-Ressource
    Periodic boundary value problems for n th-order ordinary differential equations with p -laplacian
    Hindawi Limited ; 2005
    In:  Journal of Applied Mathematics Vol. 2005, No. 1 ( 2005), p. 1-21
    Details
    In: Journal of Applied Mathematics, Hindawi Limited, Vol. 2005, No. 1 ( 2005), p. 1-21
    Kurzfassung: We prove existence results for solutions of periodic boundary value problems concerning the n th-order differential equation with p -Laplacian [ φ ( x ( n − 1 ) ( t ) ) ] ' = f ( t , x ( t ) , x ' ( t ) , ... , x ( n − 1 ) ( t ) ) and the boundary value conditions x ( i ) ( 0 ) = x ( i ) ( T ) , i = 0 , ... , n − 1 . Our method is based upon the coincidence degree theory of Mawhin. It is interesting that f may be a polynomial and the degree of some variables among x 0 , x 1 , ... , x n − 1 in the function f ( t , x 0 , x 1 , ... , x n − 1 ) is allowed to be greater than 1 .
    Materialart: Online-Ressource
    ISSN: 1110-757X , 1687-0042
    URL: Article
    DOI: 10.1155/JAM.2005.1
    Sprache: Englisch
    Verlag: Hindawi Limited
    Publikationsdatum: 2005
    ZDB Id: 2578385-3
    SSG: 17,1
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    Online-Ressource
Schließen ⊗
Diese Webseite nutzt Cookies und das Analyse-Tool Matomo. Weitere Informationen finden Sie hier...