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However, this manual method has severe limitations that we need to address. First, there is the issue of Operator Subjectivity. The results depend entirely on the operators individual hearing and experience, which varies from person to person. It¡¯s very hard to get consistent, objective data. Second, Environmental Noise. Power plants are incredibly loud environments. Even expert ears struggle to distinguish the subtle acoustic signatures of a defect amidst that roar. Third, Idle Time. Manual inspection is inherently slow and sequential, causing expensive downtime for the generator. Finally, there is a Data Traceability Gap. We have no digital history of these inspections, making any kind of long-term predictive trend analysis virtually impossible. |