TY - JOUR TI - Vibration-based fault detection in induced draft fans using unsupervised machine learning approaches AU - BHANDARE, R. AU - BELDAR, P. AU - MOGAL, S. JO - Sigma Journal of Engineering and Natural Sciences PY - 2026 VL - 44 SP - 453 EP - 464 DO - 10.14744/sigma.2026.1991 ER -