Manufacturers supplying products under warranty need a strategy to deal with failures during the warranty period: repair the product or replace it by a new one, depending on e.g. age and/or usage of the failed product. An (implicit) assumption in virtually all models is that new products to replace the failed ones are immediately available at given replacement costs. Because of the short life c...

BACKGROUND The purpose of this study was to determine the prevalence and timing of routine follow-up single-photon emission computed tomography (SPECT) studies after a normal stress SPECT scan compared with the patient's warranty period (ie, time to 1% risk of death or myocardial infarction). METHODS AND RESULTS We identified patients at Mayo Clinic Rochester who had normal stress SPECT scans...

Prognostics and Health Management (PHM) is a methodology that permits the assessment of product reliability and the prediction of remaining useful life (RUL) under life-cycle conditions through continuous monitoring. This paper addressed a unique use of PHM for business warranties. PHM is able to help understand what went wrong quickly and exactly in a product. PHM will assist companies to make...

PLTP LMB 1 performs a First-Year Inspection after operating for one year to inspect and repair equipment the operation. After these activities, performance test needs be carried out determine effectiveness success of activities. ASME PTC 46: 1996 is widely-used standard analyzing thermal power plant systems, which includes heat rate, output, specific mass consumption, more. The purpose testing ...

Type 2 diabetes mellitus is among the most powerful independent risk factors of the cardiovascular disease presence and is associated with a 3 to 5× higher cardiovascular event risk. This has long been recognized by the National Cholesterol Education Program report in the United States and European guidelines, both labeling type 2 diabetes mellitus a coronary artery disease (CAD) equivalent. Al...