List of Articles Fault Diagnosis Open Access Article Abstract Page Full-Text 1 - Accuracy Improvement of Data-Driven Algorithms in Power Transformer Assessment Using Hyperparameter Optimization on DGA Data Elahe Moradi Open Access Article Abstract Page Full-Text 2 - Diagnosing the Defects of the Gears of the Gearbox Using Vibration Analysis and Validating it by the Graphs of the CMM Machine Mohammad Esmaeil akbari alireza mangouri Sajjad Atazadeh