Tag: Optimization
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CBM Optimization
Nature, and therefore humankind, must optimize to survive and prosper. Each species in the animal kingdom strives for the best long term results of its actions. Whether divinely designed or as a result of natural selection, activity is calculated (optimized) to balance low energy expenditure with maximum caloric intake. No less true is a business’s…
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Real meaning of the six RCM curves
You may be wondering about the famous “RCM curves” shown below in Figure 1. They are the Age-Reliability behavior curves which graph the Conditional Probability of failure against age. A common question is the following. “For the 139 items covered in the Nowlan & Heap (UAL) study, for example, do these curves represent the real…
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Warranty for haul trucks
You have a fleet of 60 haul trucks. You have been told by the OEM that they allocate 5% of the purchase price to cover repairs during the warranty period. The rationale for this is that the warranty is meant to cover infant mortality failures, with the purpose of indemnifying the owner against manufacturing defects…