Abstract
This study investigates an accuracy estimation of CFE approximation describing the switchable Fractional Order PID controller (FOPID). Its idea consists of the use of predefined fractional CFE models stored in an array. The set of models describes the range of fractional orders between 0 and 1 with predefined quantization step. In the paper, the accuracy analysis of the proposed approach is presented. The influence of various factors is examined during the operation of the switching mechanism between fractional orders. Results are verified by simulations and tests on PLC.
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Dziedzic, K., Oprzȩdkiewicz, K. (2020). The Quickly Adjustable Digital FOPID Controller. In: Bartoszewicz, A., Kabziński, J., Kacprzyk, J. (eds) Advanced, Contemporary Control. Advances in Intelligent Systems and Computing, vol 1196. Springer, Cham. https://doi.org/10.1007/978-3-030-50936-1_71
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