• 대한인간공학회지
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• 제20권2호
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• pp.29-46
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• 2001

This study is about the modeling of comfort feeling structure in indoor environments. To represent the degree of practical comfort feeling level in an environment, we measured elements of human sense and resultant elements of comfort feeling such as coziness, refreshment, and freshness with physical values(temperature, illumination, noise. etc.). The relationships of elements of human sense and elements of comfort feeling were formulated as a fuzzy model. And a hybrid-neural network with three layers were designed where obtained from fuzzy membership function values of the elements of human sense were used as inputs, and given as fuzzy membership function values of resultant elements of comfort feeling were used as outputs. Both kinds of fuzzy membership function values were obtained from physical values. The network was trained by measured data set. The proposed hybrid-neural network were tested and proposed a more realistic model of comfort feeling structure in indoor environments.

• 농촌계획
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• 제27권1호
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• pp.95-102
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• 2021

This study analyzed the effect of the farm's sense of community on participation satisfaction by participating in the contract cultivation of onions. To this end, we investigated the participation satisfaction with the sense of community's emotional connection, fulfillment of need, membership, and influence. According to the analysis of the sense of community of onion farmers, the definition of need, membership, and influenced participation satisfaction and were statistically significant. It was also shown to affect sense of community in the order of membership, Influence, fulfillment of need, and emotional connection. Therefore, it is necessary to form a continuous relationship with the leader and Nonghyup, to lead to improved farm income, induce pride as a member of participating farmers, and form a positive perception among onion farmers.

• 한국조리학회지
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• 제17권1호
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• pp.110-123
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• 2011

본 연구의 목적은 두 가지이다. 첫째, 회원의식과 관계된 회원행동을 살펴봄으로써 외식 커뮤니티가 어떻게 회원들에게 영향력을 행사하고 가치를 창조하는지 알아보고 둘째, 회원의식과 회원행동의 관계가 회원들의 주제관여도 수준에 따라 어떻게 달라지는지 그 조절효과를 알아보는 것이다. 회원행동은 구매 관련 행동과 그룹 관련 행동으로 나누어 조사되었고 회원의식이 그 선행변수로서 제시되었는데 회원의식이 구매와 그룹 관련 회원행동, 모두에 유의적 영향을 미치는 것으로 나타났다. 또한 외식 주제에 대한 개인 회원의 관여도 수준이 회원의식과 회원행동 간의 관계를 조절하는 것으로 나타났는데 관여의 수준이 낮은 회원들에 비해, 관여의 수준이 높은 회원들이 커뮤니티에 애착심을 가짐으로 더 높은 수준의 구매 및 그룹 관련 행동을 보이는 것으로 나타났다.

• 한국콘텐츠학회논문지
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• 제10권8호
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• pp.360-369
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• 2010

본 연구는 온라인 커뮤니티에서 개인의 프라이버시 염려와 자아불일치 및 커뮤니티의 공동체 의식과의 관계를 고찰해 보고자 한 것이었다. 먼저, 개인의 프라이버시 염려가 자아불일치에 미치는 영향을 살펴보고, 인터넷 사용기간의 조절효과를 분석해 보기로 하였다. 기존 연구를 기반으로 하여 본 연구에서 사용된 개인의 프라이버시 염려 요인은 정보에 대한 수집, 통제, 인식을 고려하였으며, 커뮤니티에 대한 공동체 의식 요인은 소속감과 몰입감을 고려하였다. 온라인 커뮤니티 이용자를 대상으로 설문조사를 실시하였으며, 조절효과를 검정하기 위해 계층적 회귀분석을 이용하였다. 연구 결과, 프라이버시 염려 중 정보에 대한 수집, 통제, 인식의 요인 중 인식의 요인만이 자아불일치에 부(-)의 영향을 주는 것으로 조사되었다. 이때 인터넷 사용기간은 정보의 인식 및 통제가 자아불일치에 주는 영향력을 조절하는 요인인 것으로 조사되었다. 다음으로, 온라인과 오프라인에서의 자아불일치가 커뮤니티에 대한 소속감과 몰입감에 미치는 영향을 분석한 결과, 자아불일치가 소속감에는 부(-)의 영향을 주지만, 몰입감에는 영향을 주지 않는 것으로 나타났다.

• 농촌지도와개발
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• 제29권2호
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• pp.65-79
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• 2022

It is important to understand sense of community and community participation for successful community development projects. This study aims to identify the factors influencing community participation on sense of community. Data were collected from 173 usable respondents from 8 villages in Gyeongsangnam-do. Results of a factor analysis yielded two dimensions of sense of community which were shared emotional connection/influence and reinforcement of needs/membership. Hierarchical regression analysis revealed that female, less educated, younger are more likely to be highly participated. The study suggested that policy makers and community practitioners consider the sense of community, age, gender, and educational background to enhance community participation.

• 농촌지도와개발
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• 제31권1호
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• pp.27-39
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• 2024

Community participation, community satisfaction and sense of community stand out as key factors that promote community development. This study aims to examine the structural equation model among sense of community, community participation, and community satisfaction in the Rural New Revitalization Plus Projects in Kongju. Data were collected from 411 structured questionnaires twenty-three rural communities, Kyeongnam and Chungnam province. Results showed that individuals with shared emotional connection were more likely to participate community development projects. And individuals with membership and fulfillment of needs are more like to be satisfied with their community. Additionally community participation has the fully moderating effect between shared emotional connection and satisfaction. Findings suggest that policy makers and community development practitioners consider community participation and sense of community for enhancing community development.

• 한국항만학회지
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• 제15권1호
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• pp.37-46
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• 2001

Fuzzy logic control(FLC) is composed of three parts : fuzzy rule-bases, membership functions, and scaling factors. Well-defined fuzzy rule-base should contain proper physical intuition on the plant, so are needed lots of experiences of the skillful expert. When membership functions are considered, some parameters on the memberships function such as function shape, support, allocation density should be selected well. The rule of scaling factors is 'scaling'(amplifying or reducing) for both input and output signals of the FLC to fit in the membership function support and to operate the plant intentionally. To get a better performance of the FLC, it is necessary to adjust the parameters of the FLC. In general, the adaptation of the scaling factors is the most effective adjustment scheme, compared with that of the fuzzy rule-base or membership function parameters. This study proposes the adaptation scheme of the scaling factors. When the adaptation is performed on-line, the stability of the adaptive FLC should be guaranteed. The stable FLC system can be designed with stability analysis in the sense of Lyapunov stability. To adapt the scaling factors for the error signals, the concept of the conventional MRAC would be introduced into slightly modified form. A tracking accuracy of the control system would be enhanced by the modified shape and support of the membership function. The simulation is achieved on the pilot plant with the hydraulic steering control of a UCT(Unmanned Container Transporter) of which modeling dynamics have lots of severe uncertainties and modeling errors.

• 한국지능시스템학회논문지
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• 제10권3호
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• pp.260-269
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• 2000

The fuzzy and state-feedback control systems have been applied in various areas from non-linear to linear systems. A Fuzzy controller is endowed with control rules and membership function that are constructed on the knowledge of expert, as like intuition and experience. but It is very difficult to obtain the exact values which are the membership function and consequent parameters. though apply back-propagation algorithm to the system, the convergence time a much. Besides, the state-feedback system is most widely used in industry due to its simple control structure and easily able to design the controller. but it is weak in complex system of higher degree and non-linear. In this paper presents the design of a fuzzy switching mode, it these two controllers work at different operation conditions, the advantages of both controller can be retained and the disadvantages can be removed. Between the Fuzzy and the State-feedback controlles, the good outputs are selected by the switching mode. Moreover it is powerful in complex system of higher degree and non-linear. In these sense compared with the state-feedback controller, the performance of the proposed controller was improvedin the section of linearization.

• Architectural research
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• 제14권4호
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• pp.125-132
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• 2012

In contemporary Korean society, urban community environment is often associated with high-density and high-rise residences that make people's relationships superficial, instrumental and impersonal. Furthermore, urban community consistently interplays with neighboring residents and childhood emotional experience are influential on their unconscious images and attitude about their current neighborhood environment, while affecting the environmental attitude and the formation of community sense. Previous research found evidences that increased level of community sense is fostering more feeling of living in so-called "real neighborhood environment." This study aimed to cross-culturally examine what the respondents' emotional perception and their attitude were about the community environment in their childhood through environmental autobiography method and to examine the effects of the results on adults' formation of sense of community for their current community environment. Extensive literature review explored a few important theoretical framework which are closely related to sense of community (SOC) as a result of emotional experience: membership, influence, integration and fulfillment of needs, shared emotional connection and community satisfaction. Chi-square and GLM analysis revealed that there were no demographic, and socio-economic differences between two groups of Korean and US residents. Correlation analysis indicated that childhood emotional experience of Koreans and US citizens was statistically significant on sense of community for their current living community. Multi-regression analysis also found that the degree of influence were the main predictors for building strong sense of current community throughout a cross-cultural group. Furthermore, the relationship between various emotional experience of each factor in previous and current community environment were statistically significantly related. It is concluded that as the positive childhood experience of influence in their past community was going up, the level of sense of community for their current community was strengthened across their cross-cultural background.

• International Journal of Fuzzy Logic and Intelligent Systems
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• 제3권1호
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• pp.93-99
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• 2003

One of the methods to simplify the design process for a fuzzy logic controller (FLC) is to reduce the number of variables representing the rule antecedent. This in turn decreases the number of control rules, membership functions, and scaling factors. For this purpose, we designed a single-input FLC that uses a sole fuzzy input variable. However, it is still deficient in the capability of adapting some varying operating conditions although it provides a simple method for the design of FLC's. We here design two simple-structured adaptive fuzzy logic controllers (SAFLC's) using the concept of the single-input FLC. Linguistic fuzzy control rules are directly incorporated into the controller by a fuzzy basis function. Thus some parameters of the membership functions characterizing the linguistic terms of the fuzzy control rules can be adjusted by an adaptive law. In our controllers, center values of fuzzy sets are directly adjusted by an adaptive law. Two SAFLC's are designed. One of them uses a Hurwitz error dynamics and the other a switching function of the sliding mode control (SMC). We also prove that 1） their closed-loop systems are globally stable in the sense that all signals involved are bounded and 2） their tracking errors converge to zero asymptotically. We perform computer simulations using a nonlinear plant.