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Title of Journal: Electr Eng

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Abbravation: Electrical Engineering

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Springer-Verlag

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1432-0487

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Linear timevarying systems analysis in wavelet do

Authors: Hasari Karci Gulay Tohumoglu
Publish Date: 2006/10/13
Volume: 89, Issue: 8, Pages: 653-658
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Abstract

A new analysis method based on wavelet domain for linear timevarying systems is developed and introduced and it is called system analysis in wavelet domain SAIWD Linear timevarying systems described by a higher order differential equation or statespace representation are analyzed in wavelet domain To solve system equations they are transferred to wavelet domain by forming algebraic matrix–vector relations using the wavelet transform coefficients These relations are achieved by defining operator matrices concerned with the commonly used time domain operators Orthogonal and compact support wavelets provide a simple way to define these operator matrices It is seen from the solved examples that the percentage error between the analytical and wavelet domain solutions is around 1 in total sampling points

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  1. Multiple-fault diagnosis in induction motors through support vector machine classification at variable operating conditions
  2. Design and analysis of a single-phase low-frequency active power factor correction circuit: a symmetric trapezoidal current waveform approach
  3. Optimal placement of multiple STATCOM for voltage stability margin enhancement using particle swarm optimization
  4. Comparison between star winding and open-end winding induction machines
  5. A geometric algebra reformulation and interpretation of Steinmetz’s symbolic method and his power expression in alternating current electrical circuits
  6. Performance improvement of sensorless vector control for matrix converter drives using PQR power theory
  7. Optimum phase configurations for the minimization of the magnetic fields of underground cables
  8. Multi-tank resonant topologies as key design factors for reliability improvement of power converter for power energy applications
  9. Development of a nonlinear geometric transformer model based on an incremental circuit of its magnetic core
  10. A state tracking control algorithm with pole assignment
  11. Calculation of Transients in Transformer Winding and Determination of Winding Parameters
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