Herencsar, NorbertKartci, AslihanKoton, JaroslavSotner, RomanAlogoz, Baris BaykantYeroglu, Calaleddin2024-08-042024-08-042019978-1-7281-3666-02163-5137https://hdl.handle.net/11616/10233928th IEEE International Symposium on Industrial Electronics (IEEE-ISIE) -- JUN 12-14, 2019 -- Vancouver, CANADAIn this paper, an approach to design a fractional-order integral operator s(lambda) where -1 < lambda <0, using an analogue technique, is presented. The integrator with a constant phase angle -80.1 degree (i.e. order lambda = -0.89), bandwidth greater than 3 decades, and maximum relative phase error 1.38% is designed by cascade connection of first-order bilinear transfer segments and first-order low-pass filter. The performance of suggested realization is demonstrated in a fractional-order proportional-integral (FOPI lambda) controller described with proportional constant 1.37 and integration constant 2.28. The design specification corresponds to a speed control system of an armature controlled DC motor, which is often used in mechatronic and other fields of control theory. The behavior of both proposed analogue circuits employing two-stage Op-Amps is confirmed by SPICE simulations using TSMC 0.18 mu m level-7 LA) EN SCN018 CMOS process parameters with +/- 0.9 V supply voltages.eninfo:eu-repo/semantics/closedAccessfractional calculusfractional-order integratorFOPI lambda controllerDC motortwo-stage Op-AmpConference Object467472WOS:000500998700070N/A