Ensemble learning for demand forecast of After-Market spare parts to empower data-driven value chain and an empirical study

CF Chien, CC Ku, YY Lu - Computers & Industrial Engineering, 2023 - Elsevier
Demand forecast for spare parts in supply chains is essential for ensuring customer
satisfaction while minimizing appropriate inventory. The after-market orders mainly depend …

An enhanced adaptive CUSUM control chart

Z Wu, J Jiao, M Yang, Y Liu, Z Wang - IIE transactions, 2009 - Taylor & Francis
Adaptive CUSUM charts, referred to as ACUSUM charts, have attracted considerable
attention from the research community. By adjusting the reference parameter k dynamically …

Adaptive CUSUM procedures with EWMA-based shift estimators

W Jiang, L Shu, DW Apley - Iie Transactions, 2008 - Taylor & Francis
Adaptive Cumulative SUM charts (ACUSUM) have been recently proposed for providing an
overall good detection over a range of mean shift sizes. The basic idea of the ACUSUM …

An efficient adaptive EWMA control chart for monitoring the process mean

A Haq, R Gulzar, MBC Khoo - Quality and Reliability …, 2018 - Wiley Online Library
In recent years, the memory‐type control charts—exponentially weighted moving average
(EWMA) and cumulative sum (CUSUM)—along with the adaptive and dual control‐charting …

Mixed cumulative sum–exponentially weighted moving average control charts: an efficient way of monitoring process location

B Zaman, M Riaz, N Abbas… - Quality and Reliability …, 2015 - Wiley Online Library
Shewhart, exponentially weighted moving average (EWMA), and cumulative sum (CUSUM)
charts are famous statistical tools, to handle special causes and to bring the process back in …

Optimal design of a CUSUM chart for a mean shift of unknown size

JH Ryu, G Wan, S Kim - Journal of Quality Technology, 2010 - Taylor & Francis
The cumulative sum (CUSUM) control chart is one of the most popular methods used to
detect a process mean shift. When one specific size of the mean shift is assumed, the …

Window-limited CUSUM for sequential change detection

L Xie, GV Moustakides, Y Xie - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
We study the parametric online changepoint detection problem, where the underlying
distribution of the streaming data changes from a known distribution to an alternative that is …

An evaluation of a GLR control chart for monitoring the process mean

MR Reynolds Jr, J Lou - Journal of quality technology, 2010 - Taylor & Francis
This paper considers the problem of monitoring the mean of a normally distributed process
variable when the objective is to effectively detect both small and large shifts in this mean …

An unbiased function‐based Poisson adaptive EWMA control chart for monitoring range of shifts

Z Abbas, HZ Nazir, M Riaz, J Shi… - Quality and Reliability …, 2023 - Wiley Online Library
For monitoring the number of nonconformities per unit in industrial processes during the
inspection, Poisson control charts are most widely deployed. These charting structures are …

An improved process monitoring by mixed multivariate memory control charts: An application in wind turbine field

B Zaman, MH Lee, M Riaz - Computers & Industrial Engineering, 2020 - Elsevier
Memory control chart such as multivariate CUSUM (MCUSUM) and multivariate EWMA
(MEWMA) control charts are considered superior for the detection of small-to-moderate …