Nguyen, Thi Van Anh, et al. “Fuzzy Observer-Based Control Design for Rotary Inverted Pendulum Using Takagi-Sugeno Model”. JST: Smart Systems and Devices, vol. 34, no. 1, Jan. 2024, pp. 42-50, doi:10.51316/jst.171.ssad.2024.34.1.6.