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Effect of maintenance on the economic design of x-control chart
An integrated model for the joint optimization of the maintenance level and the economic design of x-control chart is presented. Expand
The synthetic control chart based on two sample variances for monitoring the covariance matrix
We propose a new statistic to control the covariance matrix of bivariate processes based on the sample variances of the two quality characteristics, in short VMAX statistic. Expand
Economic and economic statistical designs of the synthetic chart using loss functions
- W. C. Yeong, Michael B. C. Khoo, M. Lee, M. A. Rahim
- Mathematics, Computer Science
- Eur. J. Oper. Res.
- 1 August 2013
This paper proposes the economic and economic statistical designs of the synthetic X¯ chart. Expand
Economic design of ?? andR charts under Weibull shock models
This paper deals with the joint economic design of x and R charts when the occurrence times of assignable causes follow Weibull distributions with increasing failure rates. The variable quality… Expand
Economic design of VSI control charts
Duncan considered the design parameters of Shewhart control charts in 1956 based on an economic view-point, and ensured that an economic design control chart actually lowers the cost compared with a… Expand
New adaptive control charts for monitoring the multivariate coefficient of variation
- Khai Wah Khaw, Michael B. C. Khoo, P. Castagliola, M. A. Rahim
- Computer Science
- Comput. Ind. Eng.
- 1 December 2018
This paper proposes three adaptive charts to monitor the multivariate coefficient of variation (MCV), in order to improve the sensitivity of the standard MCV chart, in detecting small and moderate MCV shifts. Expand
The non-central chi-square chart with two-stage samplings
We propose the non-central chi-square chart with two stage samplings, which is not only more sensitive than the joint X and R charts, but operationally simpler too. Expand
Reducing performance variation in the canning problem
Abstract Modern quality management practices recommend the elimination of fixed numerical goals, in favour of programs designed to continuously reduce the process variability. The ultimate purpose is… Expand
A single-period perishable inventory model where deterioration begins at a random point in time
- M. A. Rahim, S. N. Kabadi, P. K. Barnerjee
- Computer Science, Mathematics
- Int. J. Syst. Sci.
- 1 January 2000
This paper develops a single-period inventory model where the stock begins to deteriorate at a random point in time within the period. Expand