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This paper investigates the backorder rate inventory problem with defective units. In practice, the uncertainties of customer's demand and backorder rate are inherent ; hence, backorder rate and customer's demand are not constant. In this study, we assume that the backorder rate is dependent on the amount of shortages and backorder price discounts, and the(More)
—Lifetime performance assessment has been crucial to the manufacturing industry. In practice, a lifetime performance index is used to measure the larger-the-better type quality characteristics. Accelerated life test (ALT) has often been used to yield information quickly so that the life distribution of products can be estimated. This study constructs a(More)
(2010) 'Implementing lifetime performance index of products with two-parameter exponential distribution', This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, redistribution , reselling , loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden.(More)
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