نتایج جستجو برای: improvecontrol ishikawa diagram pfmea process failure modes and effects analysis control charts
تعداد نتایج: 17791973 فیلتر نتایج به سال:
the present study is an attempt to investigate the potential impact of inspirational quotes on improving english abstract vocabulary recall. to achieve this goal, a multiple choice language proficiency test of 60 items including vocabulary and grammar component was administered to a sample of 63 second-semester male and female students whose age ranged between 17 to 22 and they were studying en...
برای محافظت از جنگل ها و مراتع در مقابل خطر آتش سوزی یکی از اولین استراتژی های که مورد توجه قرار می گیرد، تعیین مناطق مستعد وقوع آتش سوزی است. تعیین میزان خطر آتش بخشی از مدل سازی در فرایند آتش سوزی محسوب می شود؛ که بیشتر جنبه های مدیریتی و کنترلی را در بر می گیرد. در تحقیق حاضر با توجه به آتش سوزی های گزارش شده در طی سال های 89-86 در اراضی طبیعی استان چهارمحال و بختیاری مهمترین عوامل تاثیر گذا...
When the objective is quick detection both small and large shifts in the process mean with normal distribution, the generalized likelihood ratio (GLR) control charts have better performance as compared to other control charts. Only the fixed parameters are used in Reynolds and Lou’s presented charts. According to the studies, using variable parameters, detect process shifts faster than fixed pa...
Six Sigma is one of the best emerging approaches for quality assurance and management in automobile parts manufacturing. In this research, Quality Management tools such as COPQ analysis, Data Analysis, Pareto charts, Cause and Effect diagrams, Process Capability Study, Failure Mode Effects Analysis (FMEA), Design of Experiments (DOE), Visual and Control Charts etc. are used in defining the prob...
the present research study attempted to find out the extent to which two pre-task activities of “glossary of unknown vocabulary items” and “content related support” assisted efl language learners with their performance on listening comprehension questions across two different proficiency levels (low and high). data for this study were obtained from a total of 120 language learners, female and m...
One of the most popular quality management methods is FMEA (Failure mode and effects analysis), which used to analyze risk defects in product or process order eliminate them even before they occur. Its effective implementation reduces costs elimination defects, increase exponentially subsequent processes implementation. often where highly complex products are manufactured production a multi-sta...
The purpose of this paper is to propose a novel process failure mode and effect analysis (PFMEA) approach for the reliable design assembly activities prevent product defects due errors during complex products. PFMEA approached as an integrated method that, in addition implementing recommended actions, supports worksheets, equipment, layout lines systems, early phase product. As result, innovati...
This article presents an interpretive analysis of the key problems and challenges to technology implementation in developing countries, based on a three-year case analysis of an IT project in a city government in Ukraine. We employ the concept of technological frames of reference as an analytical tool for articulating the group-level structures related to the implementation context from the per...
In this research, progressive damage of woven composite materials due to high velocity impact is investigated via finite elements method. Necessity of impact analysis of composite materials using progressive damage method is detailed and available material models for this type of analysis is discussed. Governing equations at onset of failure and failure modes as well as damage growth is express...
This paper deals with Kansei evaluation focusing on consumers’ psychological needs and personal taste. To do so, a preparatory study is conducted beforehand to obtain Kansei data of the products to be evaluated, in which products are assessed according to Kansei attributes by means of the semantic differential method and linguistic variables. These Kansei data are then used to generate Kansei p...
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