Research Article
A Condition Monitoring Method of Hydraulic Gear Pumps Based on Multilevel Mechanism-Data Fusion
Table 10
Applicable scenarios of different fusion levels.
| Fusion level | Applicable scenarios |
| Data level | The data types of the two models are similar, such as the data have the same sampling frequency | Feature level | The types of features of the two models are similar or when data-level fusion performs poorly | Decision level | High-precision indicators are needed to assist decision-making |
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