Chaichumporn, Chawannat, Supaluk Prapan, Nghia Thi Mai, Md Abdus Samad Kamal, Iwanori Murakami, and Kou Yamada. “Adaptive Path Tracking Control for a Four-Mecanum-Wheel Mobile Robot with Unknown Center-of-Gravity Offset and Slope Inclination”. ECTI Transactions on Electrical Engineering, Electronics, and Communications 23, no. 3 (October 26, 2025). accessed August 28, 2026. https://ph02.tci-thaijo.org/index.php/ECTI-EEC/article/view/258969.