Research Article
Valve Fault Diagnosis in Internal Combustion Engines Using Acoustic Emission and Artificial Neural Network
Table 1
Output condition meaning.
| Node number | Valve fault type |
| O1 | Cylinder 4, healthy valves, no leakage at zero valve lift | O2 | Cylinder 1, semicracked exhaust valve | O3 | Cylinder 2, semicracked intake valve | O4 | Cylinder 3, notched exhaust valve | O5 | Cylinder 4, valve clearance, exhaust valve lift | O6 | Cylinder 4, valve clearance, intake valve lift |
|
|