• 기본간호학회지
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• 제10권2호
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• pp.138-144
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• 2003

Purpose: The purpose of this study was to identify the change processes for exercise behaviors in each stage. Method: Participants for this study were randomly selected from adults between the ages of 20-44. Data were collected using questionnaires over a 2 week period at the end of May, 2003. The instrument, Stages of exercise behavior change developed by Marcus et al. (1992b), and the instrument, Changing phases of exercise behaviors developed by Nigg et al. (1999) and translated by Kwon (2002) were used to investigate the behaviors. Result: 1. Related to stage of exercise behavior change of participants, it was found that 55.2% of participants exercised regularly. 2. Among the change processes according to stage of change showed that dramatic relief was the most frequently used process for all stages. Environmental reevaluation and social liberation were used most in the contemplation stage, while environmental reevaluation and stimulus control were used most in the preparation stage. In addition, scores for stimulus control and environmental reevaluation were high in the action stage. In the maintenance stage, social liberation and counter-conditioning were used most frequently. 3. The process of exercise behavior change which differentiates the stages of exercise behavior change were shown to be counter-conditioning, which was an influential factor that differentiates the contemplation stage and maintenance stage. Conclusion: The results suggest that change process management should be the focus to enhance the stage of change for exercise in this group.

• 한국지능시스템학회논문지
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• 제9권6호
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• pp.627-633
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• 1999

본 논문에서는 면역 시스템에 기반한 자율분산로봇 시스템의 협조 제어 및 군행동 전략의 결정 방법을 제안한다. 면역 시스템은 생체의 자기보호 및 유지시스템이다. 면역 시스템의 유용한 성질은 동적으로 변하는 환경에서 최적의 군행동을 결정하는 문제에 적용 가능하다. 면역 시스템을 자율분산로봇 시스템에 적용하기 위하여 로봇은 B-세포로 환경조건은 항원으로 행동 전략은 항체로 제어파라미터는 T-세포로 각각 모델링 하였다, 환경(항원)변화가 감지되면 각 로봇은 적절한 행동전략(항체)을취한다. 이행동전략은 다른 로봇과의 통신에 의하여 자극 또는 억제을 받는다.(면역 네트워크) 최정적으로 많은 자극을 받은 전략이 군행동 전략으로 채택된다. 이 제어방법은 클론선택과 면역네트워크 가설에 기반을 둔것으로서 최적의 군행동 전략을 결정하는데 이용된다. 또한 제어 파라미터로서 T-세포 모델을 추가함으로서 동적인 환경에서 로봇의 적응능력이 향상되었다.

• Asia pacific journal of information systems
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• 제31권4호
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• pp.633-673
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• 2021

Due to the differences between and distinct consumer perceptions of domestic and cross-border e-commerce (CBEC), e-consumer misconduct, which we call "cunning behavior," has emerged. This study examines cunning behavior in CBEC and compares e-consumer perceptions about environmental factors and their own personal traits using a vignette experiment and survey. The vignettes of this study were developed for three situations: illegal, deviant, and unethical behavior. Drawing on vignettes, we collected survey data and then examined the research model using the analysis of moment structure statistical tool. The results show that perceived benefit and past experience with CBEC are strong triggers for cunning behavior, while the ability to exercise self-control restrains this behavior. This study provides an understanding of why cunning behavior occurs in the CBEC context and describes different cunning behavior types.

• 한국조리학회지
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• 제24권3호
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• pp.60-70
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• 2018

Rapid economic growth brought material affluence and convenience, but it also has caused a negative issue, such as environmental damage. Therefore, this research holds the purpose of grasping structural influencing relationship of environmental awareness of cook, which is taking an important role in food safety among workers in hotel restaurants with eco-friendly attitude and food safety pursuit behavior. To achieve the purpose, collected materials were tested for the fidelity, organic causation and control effect, using Structural Equation Modeling for frequency analysis, confirmatory factor analysis, credibility analysis and hypothesis testing with SPSS (V23.0) and AMOS (V21.0) programs. Environmental awareness of hotel cook has causation with eco-friendly attitude, and the attitude has meaningful causation with food safety pursuit behavior. That is, it proved that cooks are taking care of their job carefully from the pre-cooking stage while most of people ignore the storing stage. The result shows not only hotel's own training session, cook's level of consciousness on the food safety and they are working with high sense of responsibility. The limitation of this research is that it only conducted with cooks of deluxe hotels in Busan, and it could not include various variables about environmental awareness. Therefore, it is expected that the lacking contents to be dealt by a follow-up study.

• Journal of Oral Medicine and Pain
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• 제23권4호
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• pp.403-418
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• 1998

The aim of this study was to measure effects of the following items to pain and pain behavior reaction in patients with chronic orofacial pain. Items that contribute to the first factor(Environmental Influences) measure environmental sources of information that may affect illness behavior; Second factro(Loss of Control) measure appraisals and attributions perceived to influence personal views aobut pain; Third factor(Health Care Avoidance) measures a variety of avoidant behaviors; Fouth factor(Past and Current Experiences) measures experiences with treatment); Fifth factor(Physiological Responsivity) measures physiological parameters that are experienced in association with pain; Sixth factor(Thoughts of Disease Progression) measures thoughts regarding the etiology and progression of disease in relation to pain. 150 patients that were consist of 40 male and 110 female were participated in this study. The obtained results of this study were as follows : 1. Environmental influences and loss of control scales were recorded high score in patients with chronic orofacial pain 2. "Physician's descriptions of what your pain will be like" and "Physician's facial expression when they ask about your pain" items from the environmental influences were recorded high score. These results indicated that responsibility of doctro is very important to the pain reaction behavior of patients. Also, items from thoughts regarding the etiology and progression of disease in relation to pain influenced to the pain reaction. 3. There were significant defferences on the "nurses' descriptions of what you pain will be like", "physician's and nurses' facial expression when they ask about your pain", "TV and radio", and "Literature" items from the environmental influences between male and female patients. 4. There were no significant differences on the each scale between arthrogenous and combitnation group and significant correlated with all 6 scales.

• International Journal of Control, Automation, and Systems
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• 제1권1호
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• pp.111-118
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• 2003

This paper proposes a two dimensional behavior analysis method for fish in a water tank based on the ARX method and the Kalman filter algorithm using image processing technology. In modeling the behavior of fish, the input is denoted as the environmental change and uses M-sequence. The output is expressed by the partnership between fish. The behavior model of individual fish is identified by the ARX method. It is then estimated by the Kalman filter algorithm. Finally, the fish behavior is analyzed by FFT. To prove the effectiveness of the pro-posed algorithm, it is applied to two tilapias in a water tank with dimensions of 100cm$\times$100cm$\times$50cm. The effectiveness of the proposed method is demonstrated through ARX identification, estimation of Kalman filter, and FFT analysis.

• 제어로봇시스템학회논문지
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• 제18권5호
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• pp.465-470
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• 2012

This paper proposes a distributed autonomous control method of swarm robot behavior strategy based on artificial immune system and an optimization strategy for artificial immune system. The behavior strategies of swarm robot in the system are depend on the task distribution in environment and we have to consider the dynamics of the system environment. In this paper, the behavior strategies divided into dispersion and aggregation. For applying to artificial immune system, an individual of swarm is regarded as a B-cell, each task distribution in environment as an antigen, a behavior strategy as an antibody and control parameter as a T-cell respectively. The executing process of proposed method is as follows: When the environmental condition changes, the agent selects an appropriate behavior strategy. And its behavior strategy is stimulated and suppressed by other agent using communication. Finally much stimulated strategy is adopted as a swarm behavior strategy. In order to decide more accurately select the behavior strategy, the optimized parameter learning procedure that is represented by stimulus function of antigen to antibody in artificial immune system is required. In this paper, particle swarm optimization algorithm is applied to this learning procedure. The proposed method shows more adaptive and robustness results than the existing system at the viewpoint that the swarm robots learning and adaptation degree associated with the changing of tasks.

• 한국대기환경학회지
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• 제33권5호
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• pp.473-479
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• 2017

This study was designed to understand characteristics of oxy-combustion of coal, dried sewage sludge and solid refuse fuel (SRF). Thermogravimetric analysis was conducted by burning the fuels with air, 21% oxygen ($O_2$)/79% carbon dioxide ($CO_2$) and 30% $O_2/70%$ $CO_2$. Heating rates were varied as 5, 10, 25, 40 and $100^{\circ}C/min$. Complete coal combustion was found at the heating rates of 5, 10, 25 and $40^{\circ}C/min$, and different combustion behavior was found with the gas composition at the heating rates of 10, 25, 40 and $100^{\circ}C/min$. Coal combustion with 30% $O_2/70%$ $CO_2$ showed the highest while coal combustion with 21% $O_2/79%$ $CO_2$ showed the lowest combustion rate. On the other hand, the combustion of dried sewage sludge and SRF showed similar combustion behavior with respect to the combustion gas composition. This suggests that oxy-combustion of dried sewage sludge and SRF which contain a large amount of volatile matter may show similar combustion behavior to their air combustion.

• 한국산림과학회지
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• 제111권2호
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• pp.319-329
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• 2022

본 연구는 산림생태계서비스 인식이 개인의 환경몰입과 환경문제의식을 매개하여 친환경행동에 미치는 영향관계에 대해 구조방정식모델을 적용하여 파악하고자 하였다. 연구 자료는 일반인 대상의 온라인 설문조사로 2019년 4월 11일~21일까지 진행되었으며, 총 465부 중 불성실한 응답을 제외하고 425부(91.4%)를 최종 분석 자료로 이용하였다. 구조방정식 분석을 통한 주요 결과를 살펴보면, 응답자의 대부분이 산림생태계서비스를 긍정적으로 인식하였으며, 산림생태계서비스 인식이 환경몰입, 환경문제의식 두 변수에 모두 긍정적인 영향을 미쳤고, 그 크기는 공급·조절서비스보다 문화서비스의 영향이 더 컸다. 총효과의 크기는 '문화서비스-환경몰입-친환경행동'의 경로가 가장 크게 나타났다. 산림생태계서비스를 중요하게 인식하는 사람에게 친환경행동을 하도록 유도하기 위해서는 문제의식보다 몰입이 효과적으로 매개하는 것을 알 수 있었다. 산림생태계서비스를 중요하게 인식하면서 자연환경과의 몰입 경험이 있을 때 친환경행동의도가 더 높으며 행동으로 유도할 수 있다. 본 연구는 산림생태계서비스 인식과 친환경행동의 관계를 파악하고 선행요인을 분석하였다는 데 의의가 있다.

• 한국지진공학회논문집
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• 제16권6호
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• pp.1-12
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• 2012

The researches related to active control systems utilizing superelastic shape memory alloys (SMA) have been recently conducted to reduce critical damage due to lateral deformation after severe earthquakes. Although Superelastic SMAs undergo considerable inelastic deformation, they can return to original conditions without heat treatment only after stress removal. We can expect the mitigation of residual deformation owing to inherent recentering characteristics when these smart materials are installed at the part where large deformation is likely to occur. Therefore, the primary purpose of this research is to develop concentrically braced frames (CBFs) with superelastic SMA bracing systems and to evaluate the seismic performance of such frame structures. In order to investigate the inter-story drift response of CBF structures, 3- and 6-story buildings were design according to current design specifications, and then nonlinear time-history analyses were performed on numerical 2D frame models. Based on the numerical analysis results, it can be comparatively verified that the CBFs with superelastic SMA bracing systems have more structural advantages in terms of energy dissipation and recentering behavior than those with conventional steel bracing systems.