Results 11 to 20 of about 2,174 (148)
A Fuzzy Control Chart Approach for Attributes and Variables [PDF]
Engineering, Technology & Applied Science Research, 2018 The purpose of this study is to present a new approach for fuzzy control charts. The procedure is based on the fundamentals of Shewhart control charts and the fuzzy theory. The proposed approach is developed in such a way that the approach can be applied in a wide variety of processes.
Alakoc, Nilufer Pekin, Apaydin, Aysen
openaire +2 more sources
Solving Fuzzy Attribute Quality Control Charts with proposed Ranking Function
Ibn Al-Haitham Journal for Pure and Applied Sciences, 2021 The attribute quality control charts are one of the main useful tools to use in control of quality product in companies. In this paper utilizing the statistical procedures to find the attribute quality control charts for through fuzzified the real data ...
Esraa Dhafer Thamer, Iden Hasan Hussein
doaj +1 more source
Performance Analysis of Interval Type-2 Fuzzy
Applied Sciences, 2023 Statistical process control (SPC) is one of the most powerful techniques for improving quality, as it is able to detect special causes of problems in processes, products and services with a remarkable degree of accuracy. Among SPC tools, X¯ and R control
Túlio S. Almeida +3 more
doaj +1 more source
A Fuzzy EWMA Attribute Control Chart to Monitor Process Mean
Information, 2018 Conventional control charts are one of the most important techniques in statistical process control which are used to assess the performance of processes to see whether they are in- or out-of-control.
Muhammad Zahir Khan +4 more
doaj +1 more source
New fuzzy EWMA control charts for monitoring phase II fuzzy profiles [PDF]
Decision Science Letters, 2016 In many quality control applications, the quality of a process or product is explained by the relationship between response variable and one or more explanatory variables, called a profile. In this paper, a new fuzzy EWMA control chart for phase II fuzzy
Ghazale Moghadam +2 more
doaj +1 more source
Managed Pressure Drilling Using Integrated Process Control [PDF]
Iranian Journal of Oil & Gas Science and Technology, 2020 Control of wellbore pressure during drilling operations has always been important in the oil industry as this can prevent the possibility of well blowout.
Mahdi Imanian +2 more
doaj +1 more source
Multivariate Control Chart based on Neutrosophic Hotelling T2 Statistics and Its Application
JTAM (Jurnal Teori dan Aplikasi Matematika), 2022 Under classical statistics Hotelling 〖 T〗^2 control chart is applied when the observations of quality characteristics are precise, exact, or crips data. However, in reality, under uncertain conditions, the observations are not necessarily precise, exact,
Wibawati Wibawati +4 more
doaj +1 more source
Water Science and Technology, 2023 Fuzzy methods using linguistic expressions and fuzzy numbers can provide a more accurate examination of manufacturing systems where data is not clear. Researchers expanded fuzzy control charts (CCs) using fuzzy linguistic statements and investigated the ...
Nidhal Ben Khedher +4 more
doaj +1 more source
Statistical Chart Development of Process Fuzzy of Per Unit Defects for Attribute Characteristic [PDF]
چشمانداز مدیریت صنعتی, 2015 Statistical Quality Control is an important approach that getting help from statistical tools to illustrate the process. Shewhart control charts is one of the most important techniques of quality control, which is used to show the variance with reason ...
Somayeh Fadaei +2 more
doaj
Development of control system for a complex technological object using fuzzy behavior charts
Heliyon, 2020 The cement kiln, which is the basic control object of represented work, is the most power consumption unit of the cement production. The wet production method provides a better quality of output clinker in north placed countries because of raw sources ...
A. Bazhanov, R. Vashchenko, V. Rubanov
doaj +1 more source