Frequency and time-domain analysis on performance of a production line operated by observer-based distributed control

B. Andrievsky, K. Starkov, A.Y. Pogromski

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    1 Citation (Scopus)

    Abstract

    This article deals with the problem of controlling a tandem line of manufacturing machines such that an unknown production demand is tracked with a desired accuracy. To study this problem, a manufacturing machine is approximated by an integrator which is subject to input saturation as a result of the finite capacity of the machine. To solve the problem in the case of unknown demand rate, a combination of feedforward–feedback controller with a reduced-order observer is proposed. The decentralised feedback control strategy for a line of machines is proposed and studied both in continuous time-domain and in frequency-domain representation. The presented illustrating example for a line of four machines underlines the efficiency of the proposed frequency-domain-based performance analysis tool.
    Original languageEnglish
    Pages (from-to)1885-1896
    JournalInternational Journal of Systems Science
    Volume44
    Issue number10
    DOIs
    Publication statusPublished - 2013

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