Research Article

Effect of Rating Modification on a Fuzzy-Based Modular Architecture for Medical Device Design and Development

Table 3

Measurement parameters.

Performance metric typeMetric indicators (factors)Fuzzy output
Linguistic Variables (input)Levels of linguistic variablesPerformance indexLevels or values of output variables

QualityCustomer perceived quality (CPQ), robustness and axiomatic complianceVery low, low, moderate, high, very highQuality robustness index (QRI)Crisp value (1–10)

ReliabilityCritical failure, maintainability, and serviceabilityVery low, low, moderate, high, very highRmaintainability index (RMI)Crisp value (1–10)

Ease of development (EOD)Manufacturability of the module and functional interaction between the componentsVery low, low, moderate, high, very highEOD index (EDI)Crisp value (1–10)

CostAssembly cost, fixed cost, and standardizing costVery low, low, moderate, high, very highCost performance index (CPI)Crisp value (1–10)