Nugraha, Anggara Trisna, et al. “Brake Current Control System Modeling Using Linear Quadratic Regulator (LQR) and Proportional Integral Derivative (PID)”. Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics, vol. 4, no. 2, Aug. 2025, pp. 85-93, https://doi.org/10.35882/ijeeemi.v4i2.141.