• 제목/요약/키워드: Reliability and quality assurance

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핵연료 집합체 노외성능시험의 절차와 결과에 대한 신뢰성확보를 위한 예비고찰; 횡방향 진동특성시험(I) (Preliminary Study for the Reliability Assurance on Results and Procedure of the Out-pile Mechanical Characterization Test for a Fuel Assembly; Lateral Vibration Test(I))

  • 이강희;윤경호;김형규
    • 대한기계학회:학술대회논문집
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    • 대한기계학회 2007년도 춘계학술대회A
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    • pp.1854-1858
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    • 2007
  • The reliability assurance with respect to the test procedure and results of the out-pile mechanical performance test for the nuclear fuel assembly is an essential task to assure the test quality and to get a permission for fuel loading into the commercial reactor core. For the case of vibration test, which is carried out to obtain basic dynamic characteristics of the fuel assembly, proper management and appropriate calibration of instruments and devices used in the test, various efforts to minimize the possible error during the test and signal acquisition process are needed. Additionally, the deep understanding both of the theoretical assumption and simplification cation for the signal processing/modal analysis and of the functions of the devices used in the test were highly required. Finally, to verify the test result to represent the accurate natural characteristics of the structure, the proper correlation analysis between the theoretical and experimental method has to be carried out. In this study, the overall procedure and result of lateral vibration test for the fuel assembly's mechanical characterization were briefly introduced. A series of measures to assure and improve the reliability of the vibration test were discussed.

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A Study on the Development of Service Quality Scale in Traditional Market for Big Data Analysis

  • HWANG, Moon-Young
    • 한국인공지능학회지
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    • 제7권1호
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    • pp.23-59
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    • 2019
  • The purpose of this study is to develop a measure of service quality in the traditional market by examining previous research on the service quality of the traditional market studied so far. After defining basic concepts through definition of traditional market and existing studies, 5 categories of configuration items for SERVQUAL measurement in traditional market were made up based on existing researches related to definition of service quality and service quality of traditional market. A survey was conducted on the items that fit the intention of this study and various statistical analyzes were conducted. Statistical analysis was performed using SPSS 22.0 and AMOS 22.0. The reliability of the items was measured by the reliability test, and the predictability and accuracy of the items were examined. The validity of the measured variables was verified through confirmatory factor analysis. Reliability, empathy, responsiveness, certainty, and tangibility were the most important factors in this study. Responsiveness factors include communication, time reduction, real time, promptness. Assurance factors include the assurance of delivery, prompt answers, product knowledge items. Tangibility factors include, convenient device systems, location information, presence as a fact, and as a result, the latest modern items are adopted. The quality of service in the traditional market developed in this study was found to be good in reliability and validity test. Confirmatory factor analysis result using structural equation model also met the conformity index standard. If service satisfaction is measured based on this research, basic data can be presented to policy makers who implement policies on traditional markets to make the right decisions. In addition, it will be able to provide traditional market operators with operational strategy and marketing data. In the future, based on the traditional market service quality scale developed in this study, it is necessary to grasp the factors to be continuously managed to improve the service quality of the traditional market, user satisfaction, and intention to use.

의류매장에서 내부서비스품질이 직무만족과 조직성과에 미치는 영향 (Internal Service Quality, Employee Satisfaction, and Organizational Performance of Apparel Retailers)

  • 노영;이규혜
    • 한국의류산업학회지
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    • 제9권1호
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    • pp.41-48
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    • 2007
  • Marketing strategists believe that the best way to satisfy customers is through satisfied employees. In fashion retail businesses, salespersons play a pivotal role for the success of business, since fashion products have emotional properties and customers' emotion is largely affected by personal selling at the point of purchases. The present study aims to examine relationships among internal service quality, job satisfaction, and organizational performance in fashion retail businesses. Specifically, the study will test the validity of applying service quality concept to the internal service targeting the sales person of fashion retailers and identify dimensions of internal service quality. Data were collected from salespersons of women's wear and imported brand stores at four major department stores. 205 survey responses were used for the final analysis. The factor analysis extracted empathy/tangibility, assurance, responsiveness and reliability factors. The structural path analysis and effect analysis indicated that the importance of assurance and responsiveness of internal service quality had significant direct effects on job satisfaction and significant indirect effects on organizational performance. Reliability dimension of internal service quality had a significant direct effect on job satisfaction. The importance of empathy/tangibility dimension, however, was relatively weak in the model.

Integrative Analysis on Service Quality and User Satisfaction of Wired and Mobile Internet: A Case Study in Korea

  • Cho, Sung-Bin;Sung, Min-Je
    • Management Science and Financial Engineering
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    • 제13권2호
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    • pp.79-97
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    • 2007
  • This paper investigates the relationship of service quality and user satisfaction in the wired and mobile Internet services based on the integrative framework of both systems. Given a moderate level of reliability and validity, the commonly driven dimensions for measuring service quality include responsiveness, assurance, empathy, convenience, usefulness, and diversity. User satisfaction is measurable by the dimensions of communication/entertainment, finance/economics, location/geography, and information/consulting. We apply the MANOVA tests to evaluate whether each of the service quality dimensions has an overall influence on user satisfaction. Next, multiple regression analyses are conducted to check if unique positive effect exists between each combination of service quality dimensions and user satisfaction dimensions. The results show that service quality must be taken care of with respect to the assurance dimension in order to enhance customer satisfaction in the dimensions of location/geography, which will contribute to increasing the utilization of mobile service. For improving user satisfaction in the dimension of information/consulting, service quality must be supported with respect to assurance and empathy in the mobile Internet market, in addition to diversity, which is the only significant service quality in the wired Internet service.

Automatic Multileaf Collimation Quality Assurance for IMRT using Electronic Portal Imaging

  • Jin, Ho-Sang;Jason W. Sohn;Suh, Tae-Suk
    • 한국의학물리학회:학술대회논문집
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    • 한국의학물리학회 2002년도 Proceedings
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    • pp.305-308
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    • 2002
  • More complex radiotherapy techniques using multi leaf collimation(MLC) such as intensity-modulated radiation therapy(IMRT) has been increasing the significance of verification of leaf position and motion. Due to the reliability and robustness, quality assurance(QA) of MLC is usually performed with portal films. However, the advantage of ease of use and capability of providing digital data of electronic portal imaging devices(EPIDs) have attracted many attentions as alternatives of films for routine quality assurance in spite of the concerns about their clinical feasibility, efficacy, and the cost to benefit ratio. In our work, the method of routine QA of MLC using electronic portal imaging(EPI) was developed. The verification of availability of EPI images for routine QA was performed by comparison with those of the portal films which were simultaneously obtained when radiation was delivered and known prescription input to MLC controller. Specially designed test patterns of dynamic MLC were applied to image acquisition. Quantitative off-line analysis using edge detection algorithm enhanced the verification procedure in addition to on-line qualitative visual assessment. In conclusion, the EPI is available enough for routine QA with the accuracy of portal films.

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지각된 서비스품질이 고객충성도에 미치는 영향에 관한 연구 : 서비스 산업 고객을 대상으로 (A Study on the Influence of the Perceived Service Quality on the Customer's Loyalty - Focusing on the Service Industry Consumers)

  • 도현옥
    • 산업융합연구
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    • 제13권2호
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    • pp.25-37
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    • 2015
  • The purpose of this study is about the influence of the Service quality on the customer loyalty depending on the customer value(social and psychological value, functional value) because of the dynamic business environment is react quickly and flexibly, many of today's companies are required to consult an expert. According to the circumstances, Service Firms(Hotel) should be provide a differentiated service for each customer. And this paper attempt to theoretical organize and take advantage of practical in Service industry. The questionaries of 154 from the companies which have received Service in 3 years in the metropolis and small and medium-sized cities were used to test hierarchical regression model with mediating effects of customer value between Service quality and Customer loyalty by SPSS(PASW) 18.0 version. From these analyses, the following results were obtained: First, social-psychological value have partially mediated effect on the tangibility, responsibility, assurance and customer loyalty. Second, functional value have partially mediated effects on the between tangibles, reliability and customer loyalty. The result suggests that 'tangibility', 'reliability', 'responsibility', 'assurance', 'empathy' are the most important factors to affect customer loyalty, and there are partially mediated effects of customer intention between Service quality and Customer loyalty. In conclusion, to improve the specific and actual meaning and value about the Hotel service quality and to give the suggestions on the Hotel's marketing communication by understanding the customer action.

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IT 서비스 상황에서의 심리적 기제 : 갈등, 만족, 신뢰 그리고 몰입 (Explicating Moderating Effects of Conflict in the Psychological Mechanism in IT Service Engagement)

  • 박준기;이혜정;이정우
    • 한국IT서비스학회지
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    • 제13권1호
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    • pp.1-21
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    • 2014
  • In IT service quality research, the relationship between the service quality and clients' satisfaction was the focus of many studies while in relationship quality research, the influence of trust and conflict on relationship commitment seems to be the focus. In this study, these two research streams are integrated and a theoretical research model is proposed consisting of IT service quality, satisfaction, trust and relationship commitment with conflict as a moderator for the overall psychological mechanism. As satisfaction represents emotional response while trust cognitive response, this research model integrated both emotional and cognitive aspects of relationship maintenance in the IT service context. Analysis of data collected from 262 employees of global IT service firm revealed the differential effects of reliability, responsiveness, assurance and empathy on satisfaction and trust. Also, depending upon the level of conflict, the effects of reliability and assurance were found to be moderated. Further analysis revealed more profound mechanism at work relating emotional and cognitive aspects in the psychology of relationship maintenance in IT service context. Practical implications are further discussed in the conclusion.

On the Developing of the Quality Assurance System - Achieving Reliability in Purchased Equipment -

  • Kim, Gwang Sub;English, John R.
    • 품질경영학회지
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    • 제19권1호
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    • pp.43-50
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    • 1991
  • Very little work has been done in the design of process with purchased equipment; therefore it is the intent of this project to expand the current application of reliability considerations to purchased equipment. The procurement of equipment in a manufacturing system which has both qualitative and quantitative aspects.

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Durability design and quality assurance of major concrete infrastructure

  • Gjorv, Odd E.
    • Advances in concrete construction
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    • 제1권1호
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    • pp.45-63
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    • 2013
  • Upon completion of new concrete structures, the achieved construction quality always shows a high scatter and variability, and in severe environments, any weaknesses and deficiencies will soon be revealed whatever durability specifications and materials have been applied. To a certain extent, a probability approach to the durability design can take the high scatter and variability into account. However, numerical solutions alone are not sufficient to ensure the durability and service life of concrete structures in severe environments. In the present paper, the basis for a probability-based durability design is briefly outlined and discussed. As a result, some performance-based durability requirements are specified which are used for quality control and quality assurance during concrete construction. The final documentation of achieved construction quality and compliance with the specified durability are key to any rational approach to more controlled and increased durability. As part of the durability design, a service manual for future condition assessment and preventive maintenance of the structure is also produced. It is such a service manual which helps provide the ultimate basis for achieving a more controlled durability and service life of the given concrete structure in the given environment.

방문요양서비스의 소비자만족도에 미치는 영향요인에 관한 연구: SERVQUAL 모형에 근거한 서비스품질 평가요인을 중심으로 (The Effects of Consumer Satisfaction on the Home Help Service: Focused on a Service Quality Evaluation based on SERVQUAL)

  • 이현진
    • 대한가정학회지
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    • 제49권7호
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    • pp.1-11
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    • 2011
  • This study identified the use types of a home help service and the level of service quality and reviewed the extent of their effects on consumer satisfaction. As a result of measuring the service quality in terms of support, assurance, reliability, empathy and responsiveness, a high overall reliability was demonstrated in the service. The consumer satisfaction with the home help service was discovered as being high, in general. Meanwhile, with the female research participants, the lower the service fee was perceived to be, the higher the consumer satisfaction. The quality assessment items concerning support and reliability were found to be important variables which were influential on consumer satisfaction. Therefore, it has been shown to be imperative to prepare political alternatives regarding the development of the service standard in order to protect user's rights, offer relevant information, and ensure reliability in the home help service.