Paponpen, Kittithuch, Tanapon Kumpao, Ekkachai Mujjalinvimut, Tirasak Sapaklom, and Mongkol Konghirun. 2025. “Simulation-Based Optimal Speed Control of PMSM Drives Using Discrete LQR with Integral Action: Design, Analysis, and Robustness Validation”. ECTI Transactions on Electrical Engineering, Electronics, and Communications 23 (3). https://doi.org/10.37936/ecti-eec.2025233.260765.