Muhammad Iham Fatqurrochman, Dimas Eka Saputra, and Anggara Trisna Nugraha, “Performance Analysis of C23-L54 Series DC Motors in K3 System Using LQR Tracking Controller for Improved Operational Efficiency and Safety”, JSHEE, vol. 3, no. 2, pp. 1–9, Dec. 2025.