New analog implementation technique for fractional-order controller: A DC motor control

This paper deals with a new method for analog implementation of the fractional-order controller using an active element in form of the Operational Transconductance Amplifier. Transfer function of such controller is performed by the Inverse-Follow-the-Leader-Feedback topology. Presented implementation is resistorless, energy effective and suitable for realization in integrated form. Proposed and implemented fractional-order controller is used for a DC motor control. Obtained simulation results in frequency and time domains are presented as well.