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Unformatted text preview: fashion based on the Taguchi loss function. To illustrate the differences in these indexes, suppose that UTL = 8, LTL = -8, target = 0, = 3, and = 1 (see Figure) 1 . Then, Now consider another case. Suppose that UTL = 2.7, LTL = -2.7, target = = 0, and = 1 (see Figure 2). Then Figure 1 Off-Center Process; C pk = 1.66, C pm = 0.84 (5E Fig 9.21) Figure 2 Centered Process; C pk = 0.9, C pm = 0.9 (5E Fig 9.22) 1 Kalyan Kumar Chowdhury, E. V. Gigo, and R. Raghavan, “Quality Improvement Through Design of Experiments: A Case Study,” Quality Engineering 12, no. 3 (2000), 407–416. Reprinted from Quality Engineering , courtesy of Marcel Dekker, Inc....
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- Winter '10
- Management, Taguchi methods, Quality Engineering, target value, process capability indexes, sample mean deviates, Kalyan Kumar Chowdhury