Fig. 1.
Proposed procedure for measurement.
Fig. 2.
Measurement of pressure changes in a pneumatic test system during standard operation.
Table 1.
Evaluated and data processing-based MATLAB Data Cleaner tool.
| # | Case 1 | Case 2 | Case 3 |
|---|---|---|---|
| Data type | Double | Double | Double |
| Unique values | 34 | 32 | 32 |
| Has duplicates | True | True | True |
| Is sorted | False | False | False |
| Missing count | 0 | 0 | 0 |
| Min | 5.425 | 5.41 | 5.38 |
| Max | 5.61 | 5.56 | 5.59 |
| Mean | 5.4813 | 5.4703 | 5.4402 |
| Median | 5.475 | 5.47 | 5.435 |
| Mode | 5.49 | 5.47 | 5.43 |
| St. deviation | 0.043829 | 0.026314 | 0.035574 |
Fig. 3.
Measurement of pressure changes in a pneumatic test system during a slight pressure leak.
Fig. 4.
Measurement of pressure changes in a pneumatic test system during a significant pressure leak (fault).