Economic design of a CEV x̄ control chart for determining optimal right-censored times. Issue 4 (4th July 2021)

• Record Type: Journal Article
• Authors: Lee, Pei-Hsi
• Is Part Of: Quality technology & quantitative management. Volume 18:Issue 4(2021)
• Page Start: 418
• Page End: 431
• Publication Date: 2021-07-04
• Subjects: Conditional expected value -- type I right-censored data -- reliability life test -- x‾ control chart -- economic design; Quality control -- Periodicals; Quality control -- Statistical methods -- Periodicals; Industrial management -- Periodicals; Industrial management; Management -- Research -- Methodology -- Periodicals; Qualitative research -- Periodicals; Management; Quality control; Quality control -- Statistical methods; Periodicals; 658.00721
• DOI: 10.1080/16843703.2021.1876971
• Languages: English
• ISSNs: 1684-3703

Abstract

ABSTRACT: Lifetime is a crucial quality characteristic of electronic products that must be monitored using control charts. Lifetime may provide right-censored data. A conditional expected value (CEV) x̄ control chart was developed to monitor type I right-censored data. Researchers had always assumed that the censored time is a known constant when designing control charts. This study provides an economic design model for optimizing CEV x̄ charts and type I right-censored time for reducing costs associated with quality control and life tests. This method was employed on a practical case of a liquid crystal display module. A sensitivity analysis was also conducted on the influence of the model parameters on the design and censored time of the CEV x̄ chart.