P. Chotikunnan, R. Chotikunnan, Y. Pititheeraphab, T. Puttasakul, A. Wongkamhang, and N. Thongpance, “Comparative Analysis of Fuzzy Membership Functions for Step and Smooth Input Tracking in a 3-Axis Robotic Manipulator”, J Fuzzy Syst Control, vol. 3, no. 1, pp. 39–50, Jan. 2025.