PUYKHAMMEE, Vadsana, and Phutsavnh Thongphanh. “Optimizing Water Pressure Control Using Proportional-Integral-Derivative (PID) Controller via Variable Frequency Drive (VFD)”. Souphanouvong University Journal Multidisciplinary Research and Development 12, no. 03 (July 1, 2026): 57–65. Accessed July 25, 2026. https://su-journal.com/index.php/su/article/view/1589.