An on-line process dead-time estimation algorithm

Abstract: An algorithm has been developed estimating the process dead-time within a closed-loop time invariant system. This paradigm allows for the estimation of the process dead-time without the need for open-loop tests or disabling the controller. The algorithm can estimate the process dead-time in the presence of noise within the control loop increasing the applicability to industrial applications. The process dead-time estimate can replace the constant dead-time assumptions in the control performance assessments, such as the dead-time constant in the Harris Index calculation.

Published in: Control Conference (ASCC), 2017 11th Asian

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