• 품질경영학회지
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• 제30권3호
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• pp.66-78
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• 2002

Process capability indices are being used as indicators for measurements of process capability for SPC of quality assurance system in industries. In view of the enhancement of customer satisfaction, process capability indices in which loss functions are used to deal with the economic loss In the processes deviated from the target, are in an adequate representation of the customer's perception of quality In this connection, the loss function has become increasingly important in quality assurance. Taguchi uses a modified form of the quadratic loss function to demonstrate the need to consider the proximity to the target while assessing its quality. But this traditional quadratic loss function is inadequate to assessing the quality and quality improvement since different processes have different sets of economic consequences on the manufacturing, Thereby, a flexible approach to the development of the loss function needs to be desired. In this paper, we introduce an easily understood loss function, based on reflection of probability density function of the normal distribution. That is, the Reflected Normal Loss function can be adapted to an asymmetric loss as well as to a symmetric loss around the target. We propose that, instead of the process variation, a new capability index, CpI using the Reflected Normal Loss Function that can accurately reflect the losses associated with the process and a new capability index CpI Is compared with the classical indices as $C_{p}$ , $C_{pk}$, $C_{pm}$ and $C_{pm}$ $^{+}$.>.+/./.

• 산업경영시스템학회지
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• 제15권26호
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• pp.49-58
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• 1992

It is the greatest task to prescribe accurately and concretely consumer's needs of qualities into the product standards in an enterprise manufacturing and sailing products, From this point of view, Quality Function Deployment system is introduced to inguire into the establishing method of product standards closely Above all, the decision of quality characteristic in the product standards and the estblishing method of product standard are introduced to satisty in this repord. Applying to the product standards in Qulity Function Deployment system, frst it is systematically brought quality function to consumer's needs of qualities into the products. Second the method is concerned with quality function assurance applied in induction of product quality. Also it is available to establish method of product quality level in almost every company.

• 임상간호연구
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• 제16권3호
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• pp.39-50
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• 2010

Purpose: The study was done to examine the development and effects of horticulture therapy on quality of sleep and immune function in patients in hospice units. Methods: The participants in this study were hospice patients in D hospital in D city. Thirty hospice patients were assigned to the experimental group, thirty to the control group. Data were collected from April 29 to July 26, 2009. The horticulture therapy program consisted of indoor and outdoor horticultural activities. The horticulture therapy was conducted for 30 minutes, 6 times a week for 3 weeks (a total 18 times). Measures were quality of sleep, and immune function by serum T-cell, NK-cell count. Data were analyzed using descriptive statistics, chi-square test and t-test with SPSS/WIN 13.0 version. Results: Patients in the experimental group receiving horticulture therapy had a significant difference in changes in the quality of sleep compared to the control group. There were also a significant difference in changes in the immune function (serum T cell and serum NK cell) between the experimental group and control group. Conclusion: The study results indicate that horticulture therapy developed for hospice patients is an effective, palliative intervention program to improve the quality of sleep and immune function of hospice patients.

• 지역사회간호학회지
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• 제33권1호
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• pp.105-113
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• 2022

Purpose: The purpose of this study is to explore the roles and function of family in mediating the relationship between depression and quality of life of patients with Parkinson's disease (PD). Most studies have found that depression is particularly common in patients with PD and further associated with poor quality of life. Family function, as a mediator, is based on a strength orientation perspective that emphasizes not only their responsibilities and risks but also recuperative powers and growth potential. Methods: Overall 157 adults with idiopathic Parkinson's disease were enrolled in this study via outpatient clinic and completed a set of assessment to measure depression using BDI, family APGAR questionnaire, and patients' quality of life using PDQ-8. Hierarchical multiple regression analysis was conducted to examine the mediating role of family APGAR score in the relationship between BDI and PDQ-8. Results: Patients' depression, gait disturbance, duration of illness, and family function were statistically significant on quality of life. These factors accounted for 60% of the variance in quality of life. Family function has a partial mediating effect on the relationship between depression and quality of life. Conclusion: Findings from the study suggest that although PD patients' depression impacts their quality of life, by having strong family function, the extent to which depression impacts the quality of life can be favorably mitigated. Additionally, these outcomes have important implications for future model development regarding PD patients.

• 품질경영학회지
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• 제31권2호
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• pp.131-142
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• 2003

QFD(Quality Function Deployment) is design method which is focused to guarantee of quality and function to satisfy for customer’s need. QFD are used entire manufacturing, specially new production development and design. HOQ(House of Quality) are important tool of QFD, which is implement that complex function and communications of customer. Actually implementation of HOQ are difficult by HOQ's size. It is well known that complexity of HOQ are exponentially increasing by increasing of HOQ’s size. In this Paper, we study of HOQ Complexity reduction by Quantification Method of Type Ⅲ. That method is efficiency and minimize of loss information by reduction HOQ. We give example and prove our suggestion method is better than other methods.

• 가정과삶의질연구
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• 제26권5호
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• pp.419-432
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• 2008

The purpose of this study was to examine that marital conflict, maternal parenting behavior, and a child's friendship quality varied as a function of bully/victim groups. A sample of 227 elementary school children and their mothers participated in the study. Children answered questionnaires regarding maternal parenting behavior, friendship quality, and bullying/victimization and mothers rated their marital conflict. The data were analyzed by frequencies, factor analysis, one-way ANOVAs, and Duncan's post-hoc analyses. The bully/victim distribution was 8.4% bullies, 7.9% victims, 4.4% bully-victims, and 79.3% normative contrasts when reported by children themselves and 9.3% bullies, 4.8% victims, 5.3% bully-victims, and 80.6% normative contrasts when reported by peers. Bullies and bully-victims experienced higher marital conflict than normative contrasts. Bully-victims perceived higher maternal warmth than bullies and both bullies and victims perceived higher maternal rejection/punishment than normative contrasts. Victims perceived their mothers to be more permissive/neglected than normative contrasts, and bully-victims perceived them to be more overprotective than both bullies and normative contrasts. Both bullies and bully-victims showed higher negative function of friendship quality than victims.

• International Journal of Quality Innovation
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• 제3권2호
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• pp.138-158
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• 2002

Nowadays, new product development (NPD) is one of the most crucial factors for business success. The manufacturing firms cannot afford the resources in the long development cycle and the costly redesigns. Good product planning is crucial to ensure the success of NPD, while the Quality Function deployment (QFD) is an effective tool to help the decision makers to determine appropriate product specifications in the product planning stage. Traditionally, in the QFD, the product specifications are determined by a rather subjective evaluation, which is based on the knowledge and experience of the decision makers. In this paper, the traditional QFD methodology is firstly reviewed. An improved Hybrid Quality Function Deployment (HQFD) [MSOfficel] then presented to tackle the shortcomings of traditional QFD methodologies in determining the engineering characteristics. A structured questionnaire to collect and analyze the customer requirements, a methodology to establish a QFD record base and effective case retrieval, and a model to more objectively determine the target values of engineering characteristics are also described.

• 한국콘텐츠학회논문지
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• 제16권4호
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• pp.594-603
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• 2016

본 연구는 철도역세권을 단순한 개발과 계획적 측면에서만 접근하지 않고, 실제 개발에 따른 도입 기능 및 프로그램이 지역의 발전과 주민 삶의 질에 어떠한 영향을 미치며, 궁극적으로 철도역세권 복합화를 통한 지역 활성화 방안에 대해 정책적 시사점을 제시해 보고자 하였다. 연구 방법은 역세권 주변 실거주민들을 대상으로 철도역세권 복합개발이 지역 활성화에 미치는 요소와 구조를 PLS 구조방정식을 활용해 실증 분석하였다. 분석 결과, 지역경제 활성화에는 마케팅 지원, 환승시스템 지원, 설계 및 디자인 지원, 복합용도 개발 지원, 법 제도 개선 등의 소프트웨어 요소들과 교통 기능, 정보교류 기능, 상업업무 기능, 주거 기능, 어메니티 기능 등의 하드웨어 요소들이 유효한 영향을 미치는 것으로 나타났다. 그리고 지역주민 삶의 질 측면에서는 하드웨어적 요소가 유효한 영향을 미치는 것으로 분석되었으나 소프트웨어적 요소나 네트워크적 요소는 유효한 영향을 미치지 못하는 것으로 나타났다. 이에 비해 네트워크 요소는 지역경제 활성화와 주민 삶의 질에 크게 기여하지 못하는 것으로 나타나 이에 관한 정책적 보완이 필요하다.

• 시스템엔지니어링학술지
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• 제14권2호
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• pp.1-7
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• 2018

The research and development stage can improve the goal level of the project through systematic operation and management of systems engineering. The test evaluation tasks in the R&D process have a lot of connections with the system engineering in terms of requirement management, and the methodology for deriving the requirements when establishing the test evaluation items has been consistently required. In this paper, we propose the process of effectively establishing and using QFD (Quality Function Deployment), a tool to manage customer requirement, and drawing up HOQ (House of Quality) in the search and exploratory development stage of the self - propelled mortar project.

• 품질경영학회지
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• 제46권4호
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• pp.821-842
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• 2018

Purpose: To derive key requirements and key technologies for weapon system acquisition business by using Qualify Function Deployment (QFD), and to reduce business cost by setting the target performance and key expense of weapon system. Methods: We propose a QFD methodology that can induce rational decision-making by translating analyst's subjective opinions into quantitative values when analyzing requirements at the initial stage of weapon system development project. Based on QFD methodology, QFD application model combining house of quality, value engineering, and analogy cost estimating technique is presented. Results: It was possible to analyze the specific requirements necessary for the development of the weapon system, to solve the communication problem of the participants, to set clear development direction and target. Conclusion: By applying the QFD application model at the early stage of the weapon system acquisition project, it is possible to reduce the business cost by establishing clear development direction and goal through the procedural analysis process.