Search for dissertations about: "Adaptive Algorithm"

Showing result 1 - 5 of 163 swedish dissertations containing the words Adaptive Algorithm.

  1. 1. Adaptive Finite Element Methods for Optimal Control Problems

    University dissertation from Göteborg : Chalmers University of Technology

    Author : Karin Kraft; Göteborgs universitet.; Gothenburg University.; [2011]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; finite element method; discontinuous Galerkin method; optimal control; a posteriori error estimate; dual weighted residual; adaptive; multilevel algorithm; Newton method; control constraint; variational inequality; vehicle dynamics.;

    Abstract : In this thesis we study the numerical solution of optimal control problems. The problems considered consist of a systemof differential equations, the state equations, which are governed bya control variable. The goal is to determine the states and controls which minimize a given cost functional. READ MORE

  2. 2. Optimal and Adaptive Subband Beamforming

    University dissertation from Ronneby : Blekinge Institute of Technology

    Author : Nedelko Grbic; Blekinge Tekniska Högskola.; [2001]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Beamforming; Optimal; Adaptive; Speech Enhancement;

    Abstract : The increased use of personal communication devices, personal computers and wireless cellular telephones enables the development of new inter-personal communication systems. The merge between computers and telephony technologies brings up the demand for convenient hands-free communications. READ MORE

  3. 3. Multivariable Adaptive Control

    University dissertation from Department of Automatic Control, Lund Institute of Technology (LTH)

    Author : Rolf Johansson; Lunds universitet.; Lund University.; [1983]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : This thesis treats the problem of direct adaptive control of linear multivariable systems. The parametrization problem of adaptive control is discussed extensively. A pole-placement problem and a model-matching problem are formulated and interpreted in terms of model reference control. READ MORE

  4. 4. Adaptive Multidimensional Filtering

    University dissertation from Linköping : Linköping University Electronic Press

    Author : Leif Haglund; Linköpings universitet.; Linköpings universitet.; [1991]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY; TEKNIKVETENSKAP;

    Abstract : This thesis contains a presentation and an analysis of adaptive filtering strategies for multidimensional data. The size, shape and orientation of the flter are signal controlled and thus adapted locally to each neighbourhood according to a predefined model. READ MORE

  5. 5. Computational Stability and Adaptive Strategies - An Experimental Study of ODE Software

    University dissertation from Numerical Analysis, Lund University

    Author : Lina Wang; Lunds universitet.; Lund University.; [2003]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; algorithm analysis; Mathematical software; RADAU5; DASSL; digital filters; PI control; adaptive time-stepping; stepsize control; computational stability; test protocol; Computer science; numerical analysis; systems; control; Datalogi; numerisk analys; system; kontroll;

    Abstract : The algorithmic content of adaptive ODE/DAE software is dominated by a considerable amount of control structures, support algorithms and logic. The control logic has been largely heuristic and lacking support by analysis. READ MORE