Hardiansyah, Randy. “Kendali Posisi Linear Actuator Berbasis PID Menggunakan PLC”. Journal of Applied Electrical Engineering 2, no. 1 (December 31, 2018): 12–17. Accessed April 15, 2025. https://jurnal.polibatam.ac.id/index.php/JAEE/article/view/1077.