Research Article
Condition-Based Maintenance Optimization for Motorized Spindles Integrating Proportional Hazard Model with SPC Charts
Table 2
Occurrence probability of each scenario in the integrated model, n = 1.
| Scenario | Symbol | Probability of occurrence |
| | | | | | | | | | | | | | | | | | |
| D | The threshold of the degradation feature, which has a relationship with UCL as | | The probability of the signal when the process is out of control | | The probability of no signal when the process is out of control | | The probability of the signal when the process is in control | | The probability of no signal when the process is in control |
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