K.Kiruthika , R.Nandhini, R. S. S. , G. , J. (2017) “Implementation of Chopper Fed Speed Control of Separately Excited DC Motor Using PI Controller”, International Journal of Engineering and Computer Science. india, 6(3). Available at: http://ijecs.in/index.php/ijecs/article/view/3410 (Accessed: 2 May 2024).