S. Shamshul Haq, D. Lenine, and S. V. N. L. Lalitha, “A Fuzzy adaptive hysteresis band controller for three phase four wire UPQC”, IJET, vol. 7, no. 2.8, pp. 652–660, Mar. 2018, doi: 10.14419/ijet.v7i2.8.10551.