Filter network of dynamic nonstationary elements

Kaszyński, R.; Sztandera, Adrian; Wiechetek, Katarzyna

doi:10.15199/48.2016.11.30

Cited by 4 publications

(2 citation statements)

References 6 publications

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“…The results of the preceding research [13][14][15] have shown that filters with time-varying parameters work undoubtedly better in the time domain than filters with time-invariant parameters. The quality of their operation is determined by the time after which the error value of the output signal is no greater than the assumed accuracy, α.…”

Section: First-order Element As a Basic Part Of The Networkmentioning

confidence: 99%

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A Concept of the Non-Stationary Filtering Network with Reduced Transient Response

Wiechetek

Piskorowski

2019

Applied Sciences

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This paper presents a concept of the non-stationary filtering network with reduced transient response consisting of the first-order digital elements with time-varying parameters. The digital filter section is based on the analog system. In order to design the filtering network, the analog prototype was subjected to the discretization process. The time constant and the gain factor were then temporarily varied in time in order to suppress the transient response of the designed filtering structure. The optimization method, based on the Particle Swarm Optimization (PSO) algorithm which is aimed at reducing the settling time by a proper parameter manipulation, is presented. Simulation results proving the usefulness of the proposed concept are also shown and discussed.

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Section: First-order Element As a Basic Part Of The Networkmentioning

confidence: 99%

“…The examples of configurations and their performance of the analog networks are described precisely in preceding papers [15,19]. To compare the possibilities of the network composed of the same number of elements yet in different configurations, tests were carried out analyzing their dissimilarity.…”

Section: Description Of the Structure: Optimization Algorithmmentioning

confidence: 99%