R. Nagarajan, M. Gokulkannan, T. Dinesh, S. Murugesan, and M. Naveenprasanth, “PERFORMANCE IMPROVEMENTS OF SEPARATELY EXCITED DC MOTOR USING FUZZY LOGIC CONTROL ”, Int. J. Eng. Tech. Mgmt. Res., vol. 6, no. 2, pp. 47–58, Feb. 2019.