Type-I censored data monitoring using different conditional statistics

Article Statistics & Probability

CEV-Hybrid Dewma charts for censored data using Weibull distribution

Sajid Ali et al.

Summary: This article introduces a CEVHDEWMA control chart for monitoring the mean of Weibull distribution with censored data, compares its performance to a simple hybrid DEWMA chart, and studies the effect of estimation on ARL. Two real-life examples are provided to demonstrate the application of the proposal in practice.

COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION (2021)

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Article Engineering, Multidisciplinary

Conditional mean- and median-based cumulative sum control charts for Weibull data

Syed Muhammad Muslim Raza et al.

Summary: This article discusses the monitoring of censored data using CUSUM control charts, developing an efficient CUSUM structure through CEV and CM methods, detecting shifts in the mean of Weibull lifetimes, assessing the impact of parameter estimation on control chart performance, evaluating the proposed charts through ARL, and comparing the ARL performance of CUSUM charts with other control charts.

QUALITY AND RELIABILITY ENGINEERING INTERNATIONAL (2021)

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Article Engineering, Industrial

Economic design of a CEV x control chart for determining optimal right-censored times

Pei-Hsi Lee

Summary: Lifetime is a crucial quality characteristic of electronic products that can be monitored using control charts, with right-censored data often being provided. A conditional expected value (CEV) x control chart has been developed for this purpose, with an economic design model offered to optimize costs associated with quality control. This method has been applied to a practical case involving a liquid crystal display module, with a sensitivity analysis conducted on the influence of model parameters on the design and censored time of the CEV x chart.

QUALITY TECHNOLOGY AND QUANTITATIVE MANAGEMENT (2021)

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Article Automation & Control Systems