Tabatabaie, Sajjad, and Mohsen Sayed Moosavi. “Robust H-Infinity Takagi-Sugeno Fuzzy Controller Design for a Bilateral Tele-Operation System via LMIs”. Majlesi Journal of Electrical Engineering 5, no. 2 (February 17, 2011). Accessed June 3, 2020. http://mjee.org/index/index.php/ee/article/view/434.