New Process Capability Index using Taguchi Loss Functions
نویسندگان
چکیده
منابع مشابه
Taguchi Design optimization using multivariate process capability index
The Taguchi method is a useful technique to improve the performance of products or processes at a lower cost and in less time. This procedure can be categorized in the static and dynamic quality characteristics. The optimization of multiple responses has received increasing attention over the last few years in many manufacturing organizations. Several approaches dealing with multiple static q...
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Process capability indices such as Cp, Cpk, Cpu and Cpl are common metrics to evaluate and predict the performance of a process. Although higher process capability indices indicate higher process “quality”, but a high quality process does not necessarily guarantee the fewer rates of rejects. Therefore, a process capability index based on rate of rejects or real losses is more reliable and prope...
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The process capability analysis is a crucial activity to evaluate if the process outcome meets the design specifications. Classically, such analysis is performed by verifying the in-control condition of the process and evaluating suitable capability indices, by assuming the process in-control steady-state condition. However, the in-control period of the process characterizes only a part of the ...
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Processcapabilityindicesareusedtoevaluatetheperformanceofthemanufacturingprocess.When thespecificationlimitsandthetargetvaluearenotprecise,theauthorscannotusethetraditional methodstoassessthecapabilityoftheprocess.Fortheprocesseswithasymmetrictoleranceintervals, somefuzzyprocesscapabilityindiceshavebeenintroducedsuchas Cpk '' and Cpmk...
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Process capability indices are designed to describe how the process of interest can achieve to meet specification limits under a condition of statistical control. One of the capability indices is denoted as Cpm proposed by Chan, Cheng and Spiring (1988), sometimes termed the Taguchi index. The primary goal of this paper attempts to construct a confidence interval for Cpm, which measures proces...
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ژورنال
عنوان ژورنال: Journal of Applied Sciences
سال: 2009
ISSN: 1812-5654
DOI: 10.3923/jas.2009.3775.3779