نتایج جستجو برای: taguchi loss function
تعداد نتایج: 1565506 فیلتر نتایج به سال:
In this paper, the author presented a modified Chen and Chung’s model considering that the process mean may not be equal to the target value when the process is in the in-control state. Taguchi’s asymmetric quadratic quality loss function will be applied in evaluating the product quality. Subsequently, the modified economic manufacturing quantity (EMQ) model based on modified the Chen and Chung...
In this research, the main parameters of the multivariate CUSUM control chart (the reference value k , the control limit H , the sample size n , and the sampling interval h ) are determined by minimizing the Lorenzen-Vance cost function (Lorenzen TJ, Vance LC. The economic design of control charts: A unified approach. Technometrics 28: 3-10, 1986 [1],) in which the external costs of employing t...
In this paper, we develop an optimization model for the economic design of repetitive sampling plan in the presence of two markets. The process under consideration produces a product with a normally distributed quality characteristic with unknown mean and known variance. The quality characteristic has a lower specification limit. The quality of the product is controlled via lot-by-lot acceptanc...
Selecting the right suppliers is one of the most important decision-making problems to achieve competitive advantage in the supply chain of every company and organization. In order to achieve these goals, the decision-makers (DMs) should apply the best method and accurate criteria for analyzing and solving supplier selection problems. Meanwhile, due to their flexibility, the use of hybrid model...
During the past three decades, PCIs – process capability indices – have inspired hundreds of pages of scientific research. The trade-off between simplicity and precision in reproducing an overall process quality prediction is both the reason behind the criticism for Cp and Cpk and the motive for their widespread use. Indeed, their strength in simplifying the assessment of a process control stat...
today, changes in the competitive environment have led to creating organizations with a flexible structure and extensive supply networks, so that they are able to make the necessary changes coordinated with their environment. in this regard, organizations are trying to concentrate their efforts on their competing activities and outsource the other activities to other companies. therefore, the d...
this paper has been done with the goal of assessment and prioritization of contractors of fars province electricity distribution company. such decision makings are generally complicated and are essentially considered as an multi-criteria decision making process. if the tasks assigned to contractors are not performed appropriately, it would lead to loss. in other words, contractors who cause the...
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