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    Online Steady State and Transient State Identification of Various Processes

    , M.Sc. Thesis Sharif University of Technology Ghaderzadeh, Kanan (Author) ; Bozorgmehry Bozarjomehry, Ramin (Supervisor)
    Abstract
    A statistically-based method has been developed for automated identification of steady state. The method is computationally inexpensive when compared to conventional techniques. The R-statistic is dimensionless and independent of the measurement level. Because it is a ratio of estimated variances, it is also independent of the process variance. Simulations show that for recommended critical values are also effectively independent of the magnitude and distribution of the noise.
    A fuzzy-logic-based methodology for on-line steady state and transient state identification is introduced. Although steady state identification is complicated by the presence of noise, fuzzy logic can help capture...