Please use this identifier to cite or link to this item: https://doi.org/10.1021/ie051317g
Title: Robust process identification from relay tests in the presence of nonzero initial conditions and disturbance
Authors: Wang, Q.-G. 
Liu, M.
Hang, C.C. 
Tang, W. 
Issue Date: 7-Jun-2006
Source: Wang, Q.-G.,Liu, M.,Hang, C.C.,Tang, W. (2006-06-07). Robust process identification from relay tests in the presence of nonzero initial conditions and disturbance. Industrial and Engineering Chemistry Research 45 (12) : 4063-4070. ScholarBank@NUS Repository. https://doi.org/10.1021/ie051317g
Abstract: In this paper, a new method is presented for process identification from relay tests. The method can yield a full process model in the sense of a complete transfer function with delay or a complete frequency response. Unlike our early work that was based on the fast Fourier transform (FFT), where zero initial conditions and no disturbance are assumed, the present method can work under nonzero initial conditions and static disturbance. It adopts the integral technique to devise the algorithm. The resulting integral-based estimation shows robustness against noise in output measurements but requires no filtering of noisy data. Its effectiveness is demonstrated through simulation. © 2006 American Chemical Society.
Source Title: Industrial and Engineering Chemistry Research
URI: http://scholarbank.nus.edu.sg/handle/10635/57312
ISSN: 08885885
DOI: 10.1021/ie051317g
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