Velocity control of a DC motor based on fractional order PI and IMC-based fractional order controllers
by Saeed Heydarpoor; Mohammad Tabatabaei
International Journal of Advanced Mechatronic Systems (IJAMECHS), Vol. 7, No. 1, 2016

Abstract: In this paper, two fractional order controllers are employed to control the angular velocity of a permanent magnet DC motor. A fractional order PI controller with isodamping property is appropriately designed to achieve the desired phase margin and gain crossover frequency requirements. Moreover, by selecting a fractional order filter in internal model control (IMC) structure, an IMC-based fractional order controller is designed. These two fractional order controllers are utilised for velocity control of a laboratory DC servomechanism system. The experimental results demonstrate the capability of these fractional order controllers in the desired angular velocity tracking and load disturbance rejection.

Online publication date: Thu, 06-Oct-2016

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