Estimation of Frequency Response Set from Interval Data of Step Response

Masami Saeki; Koji Saito

doi:10.11499/sicep.2002.0.271.0

SICE Annual Conference 2002

DOI https://doi.org/10.11499/sicep.2002.0.271.0

Conference information

Host: The Society of Instrument and Control Engineers

Co-host: IEEE/Industiral Electronic Society, IEEE/Robotics and Automation Society, IEEE/Control System Society

Estimation of Frequency Response Set from Interval Data of Step Response

Masami Saeki, Koji Saito

Author information

Keywords: Frequency response, Step response, Model set, Identification

CONFERENCE PROCEEDINGS FREE ACCESS

Pages 271

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Abstract

In this paper, a method of estimating a set of frequency response of a stable plant from interval data of step response is given where no parametric model is assumed. Step response is approximated by a piecewise linear function, to which Fourier transform is applied, and the estimation problem is reduced to a linear programming problem. The result is shown graphically by vector locus and Bode diagram.

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