Search Results - subject:"Control Chart"

A hybrid wrapper–filter approach to detect the source(s) of out-of-control signals in multivariate manufacturing process

Huda, Shamsul; Abdollahian, Mali; Mammadov, Musa; … - In: European Journal of Operational Research 237 (2014) 3, pp. 857-870

With modern data-acquisition equipment and on-line computers used during production, it is now common to monitor several correlated quality characteristics simultaneously in multivariate processes. Multivariate control charts (MCC) are important tools for monitoring multivariate processes. One...

Persistent link: https://www.econbiz.de/10010776918

Economic design of Shewhart control charts for monitoring autocorrelated data with skip sampling strategies

Franco, Bruno Chaves; Celano, Giovanni; Castagliola, … - In: International Journal of Production Economics 151 (2014) C, pp. 121-130

) procedure to achieve this goal. An efficient implementation of a control chart requires the optimal selection of its design … control chart. A wide benchmark of examples has been generated as a screening experimental design to study the process and … during production is minimized subject to a statistical constraint limiting the number of false alarms issued by the control …

Persistent link: https://www.econbiz.de/10010753133

Robust process capability performance : An interpretation of key indices from a nonparametric viewpoint

Besseris, George - In: The TQM Journal 26 (2014) 5, pp. 445-462

Purpose – The purpose of this paper is to propose a set of process capability indices (PCIs) which are based on robust and agile statistics such that they may be applicable irrespective of the process status. Design/methodology/approach – The four popular PCIs – Cp, Cpk, Cpm and Cpmk –...

Persistent link: https://www.econbiz.de/10015032215

Adoption of Six Sigma DMAIC to reduce cost of poor quality

Prashar, Anupama - In: International Journal of Productivity and Performance … 63 (2014) 1, pp. 103-126

Purpose – The purpose of this paper is to demonstrate the systematic application of Six Sigma tools for identification and reduction of cost of poor quality (COPQ). The study examines one of the chronic problems of failure of cooling fan assembly at repair division of a company dealing in...

Persistent link: https://www.econbiz.de/10014797642

Research on the quality stability evaluation and monitoring based on the pre-control chart

Qing Liu, Shu; Su, Qin; Li, Ping - In: International Journal of Quality & Reliability Management 31 (2014) 9, pp. 966-982

the pre-control chart to evaluate and monitor quality stability, the purpose of this paper is to probe into the quality … stability evaluation and monitoring guidelines of small batch production process based on the pre-control chart under the … the pre-control chart when the shifts ɛ =0. And at the same time, the difficult problem hard to adopt the conventional …

Persistent link: https://www.econbiz.de/10014801523

Development of fuzzy U control chart for monitoring defects

Avakh Darestani, Soroush; Moradi Tadi, Azam; Taheri, Somayeh - In: International Journal of Quality & Reliability Management 31 (2014) 7, pp. 811-821

inspecting and producing quality control. The purpose of this paper is to investigate the attributes of fuzzy U control chart … presented and the method coding was done in MATLAB software using design U control chart; then, the results were verified … products. It can be concluded that fuzzy control chart is more sensitive on recognition out of control patterns. Originality …

Persistent link: https://www.econbiz.de/10014801579

Adoption of Six Sigma DMAIC to reduce cost of poor quality

Prashar, Anupama - In: The international journal of productivity and … 63 (2014) 1, pp. 103-126

Persistent link: https://www.econbiz.de/10010255526

Adaptive nonparametric CUSUM scheme for detecting unknown shifts in location

Liu, Liu; Tsung, Fugee; Zhang, Jian - In: International journal of production research 52 (2014) 6, pp. 1592-1606

Persistent link: https://www.econbiz.de/10010257350

A self-starting control chart for high-dimensional short-run processes

Li, Yanting; Liu, Yukun; Zou, Changliang; Jiang, Wei - In: International journal of production research 52 (2014) 2, pp. 445-461

Persistent link: https://www.econbiz.de/10010248833

Robust process capability performance : an interpretation of key indices from a nonparametric viewpoint

Besseris, George - In: The TQM journal : the international review of … 26 (2014) 5, pp. 445-462

Persistent link: https://www.econbiz.de/10010392872