Evaluating product and process design changes with warranty data

Article Abstract:

A study was conducted to investigate the viability of using hazard function analysis to evaluated the effects of engineering product and process changes o the failure pattern of products. The analysis used manufacturer provided warranty data for an auto audio system covering the years 1992, 1993 and 1994. Findings indicate that using stochastic process models to analyze the distribution of time-to-first-warranty claims will enable a focus on product quality at time of sale and provide a view of how an engineering change affected the distribution of claims over time.

Quality Control Management, Warranties, Warranty, Usage, Product quality, Quality management, Quality control, Manufacturing processes, Manufacturing, Industrial design, Production engineering, Stochastic processes

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Effects of variability on the due-time performance of a continuous materials flow production system in series

Article Abstract:

Failure to lessen variability results to performance deterioration of a continuous materials flow production system. Variability decreases the competency of a production system to meet delivery schedules formulated by customers. Because of this, detecting the mean and variance of the amount of goods created in a specified time is a must to satisfy customers' orders and to improve production output.

Management-Productivity, Research, Scheduling (Management), Industrial efficiency, Economic efficiency, Organizational effectiveness

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