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Considers an extension of the non‐homogeneous Poisson process to describe the software failure process more appropriately. This extension introduces a new structure for the intensity function of the non‐homogeneous Poisson process. Using this intensity function, develops a mathematical model to...
Statistical process control charts have long been used as tools to ensure high quality of process output. A substantial amount of literature has been reported on the economic design of control charts by considering the trade‐offs between inspection cost, penalty for operating in out‐of‐control...
Shows that the new ISO 9000‐4 has covered the dependability aspects of IEC 300‐1. Dependability is defined as a collective term used to describe availability performance and its influencing factors, such as reliability performance, maintainability performance and maintenance support performance....
Focuses on one of the most widely used service quality measurement scales, SERVQUAL, and looks at some of the areas of concern which have recently been raised regarding its viability as a comprehensive measurement tool for the service industry as a whole. While acknowledging the significant...
“Twin metric” control preserves the simple, intuitive graphical features of Shewhart control charts, while incorporating the much improved performance of CUSUM. Two metrics are plotted on the twin metric control chart at each sample interval; the Shewhart value and a simplified CUSUM value. The...
Business schools are under mounting pressure to decrease the cost of delivering education while improving programmes and services for students. Total quality management (TQM) provides a way to improve quality while reducing costs. However, since TQM involves fact‐based continuous improvement,...
Posits that most modern electronic equipment, particularly those involving metal‐oxide‐semiconductor technologies, are susceptible to electric overstresses which can cause performance degradation and lead to equipment failure. Probably the most problematic of these stresses is known as...
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