• 한국정보과학회논문지:소프트웨어및응용
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• 제41권8호
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• pp.533-544
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• 2014

임베디드 분야를 비롯하여 거의 모든 산업 분야에 하드웨어를 기반으로 소프트웨어 탑재가 이루어지고 있다. 이에 제품의 품질 관리가 갈수록 중요해짐에 따라, 많은 기업이 품질 비용에 많은 지출을 하고 있다. 그러나 국내 기업의 경우 품질 저하 예방 비용보다는 품질 미달로 인한 문제 해결에 많은 비용을 쓰고 있어, 품질 저하 예방 비용의 효과적 집행을 위한 지속적인 개선이 필요한 상황이다. 이를 위해 정량적 품질 관리에 대한 관심이 증대되고 있으나, 정량적 품질 관리 활동은 프로세스 성숙도 모델에서 통계적 기법의 활용을 요구하는 레벨 4, 5에 속하는 고수준의 프로세스 활동으로 통계적 품질 관리 활동의 이행이 필수적이다. 이와 같은 현실을 반영하여 본 논문에서는 TMMi 레벨 5 프로세스 영역 중 품질관리(Quality Control) 프로세스 구축 방안을 소개하여 고수준의 통계적 품질 관리 프로세스 구축에 도움이 되고자 한다.

• 한국초지조사료학회지
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• 제37권2호
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• pp.101-107
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• 2017

Corn is basal forage for livestock species in Republic of Korea but it lacks protein and needs nitrogenous fertilizer. This study was designed with main objective to achieve optimum growth, yield & nutritive value of forage for livestock through implementing corn-soybean intercropping strategy at 17 different places under Korean condition. Two treatments; corn as monocrop (control treatment) and corn-soybean intercrop were compared under Randomized Block Design from $28^{th}$ May to $8^{th}$ October, 2015. Each treatment had three replicates in each block, whereas seventeen different places were considered as blocks. Data were analyzed through SAS-9.1.3 software. Difference between two treatment means was tested through T-test. Findings depicted that intercropping pattern could not influence (P>0.05) corn plant & ear height, corn lodged stalk No. and corn stalks number. However, corn-soybean intercropping enhanced (P<0.05) forage productivity in terms of total fresh yield ($16.4{\pm}0.7^b$ vs. $19.9{\pm}0.7^atons\;ha^{-1}$), total dry matter yield ($5.38{\pm}0.25^b$ vs. $6.41{\pm}0.31^atons\;ha^{-1}$) and total digestible nutrients yield ($3.94{\pm}0.17^b$ vs. $4.59{\pm}0.21^atons\;ha^{-1}$). Dry matter percentage in corn stalks and corn ears was not different (P>0.05) between two treatments. It was concluded that corn-soybean intercropping strategy was promising technique in enhancing forage productivity though positive symbiotic relation between two crops.

• 한국직업건강간호학회지
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• 제22권3호
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• pp.257-265
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• 2013

Purpose: This study aimed to investigate the job stress level of call center workers and figure out its relation with cognitive emotion regulation strategies as a cognitive coping strategy. Methods: Data collection was conducted on 985 call center workers, working for K companies in Korea. ANOVA, t-test, Scheffe's test and multiple regression have been conducted for the data analysis using SAS 9.0 software. Results: The total job stress score of subjects ranges $Q_{25{\sim}49}$ (the lower 50%) whereas the score of job demand and job control ranges $Q_{50{\sim}74}$ (the upper 50%), and its sectional job stress level is high. Since job stress is the major factor affecting cognitive emotion regulation strategies, it is shown that when the job stress score gets higher, the score of positive cognitive emotion regulation strategies gets decreased but the score of negative cognitive emotion regulation strategies, increased. Conclusion: Based on the results of this study, it is necessary to develop and apply an effective stress easing method for call center workers which reduces negative cognitive emotion regulation strategies and increases positive ones.

• 성인간호학회지
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• 제27권2호
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• pp.127-134
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• 2015

Purpose: The purpose of this study is to identify health beliefs and knowledge related to hepatitis A vaccination (HAV). Preventative behaviors related to HAV were also examined. Methods: The convenience sample of 332 students were drawn from a university in Chung-nam province. The results were analyzed using descriptive statistics, t-test, ANOVA, Scheff$\acute{e}$ test, Pearson's correlation coefficient, and stepwise multiple regression with SPSS for Windows 21.0 software. Results: Vaccination rates for hepatitis A were 23.4%. The mean scores of health beliefs, knowledge and preventative behaviors related to hepatitis A were $2.38{\pm}0.25$, $0.34{\pm}0.30$, and $3.15{\pm}0.40$ respectively. The factors found to be related to hepatitis A preventative behaviors were HAV, having the HAV antibody and health beliefs. Conclusion: An experience of HAV, having HAV antibody, and positive health beliefs related to hepatitis A may be necessary to increase voluntary hepatitis A preventive behaviors among university students. It is essential to develop the strategy of educating university students about HAV and having HAV antibody as well as reinforcing health beliefs about hepatitis A which prevent the hepatitis A occurrence.

• 한국항공운항학회지
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• 제16권2호
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• pp.1-11
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• 2008

Increasing demand for improved reliability and survivability of mission-critical systems is driving the development of health monitoring and Automated Contingency Management (ACM) systems. An ACM system is expected to adapt autonomously to fault conditions with the goal of still achieving mission objectives by allowing some degradation in system performance within permissible limits. ACM performance depends on supporting technologies like sensors and anomaly detection, diagnostic/prognostic and reasoning algorithms. This paper presents the development of a generic prototype test bench software framework for developing and validating ACM systems for advanced propulsion systems called the Propulsion ACM (PACM) Test Bench. The architecture has been implemented for a Monopropellant Propulsion System (MPS) to demonstrate the validity of the approach. A Simulink model of the MPS has been developed along with a fault injection module. It has been shown that the ACM system is capable of mitigating the failures by searching for an optimal strategy. Furthermore, the concepts of Validation and Verification (V&V) of such systems are introduced with relevant examples.

• Anatomy and Cell Biology
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• 제51권4호
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• pp.260-265
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• 2018

Undergraduate students struggle to comprehend embryology because of its dynamic nature. Studies have recommended using a combination of teaching methods to match the student's learning style. But there has been no study to describe the effect of such teaching strategy over the different types of learners. In the present study, an attempt has been made to teach embryology using the combination of analogies and simple 2D animations made with Microsoft powerpoint software. The objective of the study is to estimate the difference in academic improvement and perception scale between the different types of learners after introducing analogies and 2D animation in a lecture environment. Based on Visual, Aural, Read/Write, and Kinesthetic (VARK) scoring system the learners were grouped into unimodal and multimodal learners. There was significant improvement in post-test score among the unimodal (P<0.001) and multimodal learners (P<0.001). When the post-test score was compared between the two groups, the multimodal learners performed better the unimodal learners (P=0.018). But there was no difference in the perception of animations and analogies and long-term assessment between the groups. The multimodal learners performed better than unimodal learners in short term recollection, but in long term retention of knowledge the varied learning style didn't influence its outcome.

• 유통과학연구
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• 제21권6호
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• pp.51-68
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• 2023

Purpose: This study aims to explore the impact of green products' claim skepticism on green purchase intention and further investigates the moderating role of environmental concern in the relationship. This study, by drawing the persuasion knowledge model expected that ambiguity avoidance penalizes less familiar brands than familiar brands. Further, the present study building on Hofstede's cultural dimension, specifically, uncertainty avoidance, undertook a scenario to understand any difference that exist between uncertainty avoidance cultural groups. This study also investigates gender differences in green claim skepticism and proclivity to purchase green products. Research design, data, and methodology: For analyzing the relationship relevant hypotheses were designed, and R-programming software was used. To test the hypotheses two independent sample t-test and regression analysis were carried out. Results: The results suggest that consumers' skepticism toward green claims influenced the intention to purchase eco-friendly products. The study finding also confirms the effect is moderated by environmental concern. Also, the findings of two scenarios reveal that consumers in high uncertainty avoidance culture exhibited a greater level of skepticism for green print advertising and green packaging claims when the brand in the advertising and packaging was unfamiliar than when it was familiar. Conclusions: To alter the negative effect of skepticism the consumer should believe the environmental claims are valid so that they can contribute to solving sustainability issues.

• 대한공업교육학회지
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• 제39권2호
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• pp.81-100
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• 2014

본 논문에서는 국가경제성장에 그 중요성을 더해가고 있는 소프트웨어 산업의 전문인력육성을 위한 교육과정의 개발절차와 그 결과를 제시하였다. 특히, 개발된 교육과정은 산업현장을 반영하기 위해 국가직무능력표준(NCS)에 기반을 두었으며, 교육효과의 극대화를 위해 교육방법에 있어서는 S-OJT(체계적 현장직무 교육훈련:Structured on the job training)를 활용하였다. 본 연구를 위해 소프트웨어 산업과 관련한 경제지표와 관련인력의 투입 등의 자료를 검토하여 그 산업의 중요성을 확인하였으며, S-OJT방법의 차용을 위해, 선행 연구를 검토하여 해당 개념을 충분히 반영한 교육과정을 개발하고자 하였다. 특히 NCS기반의 교육과정 개발을 위한 기본 틀로서 고용노동부에서 개발하여 배포된 한국형 일 학습 듀얼 시스템 운영매뉴얼의 개발절차를 활용하였다. 현장성 높은 과정 개발을 위해 소프트웨어 분야 주식회사A의 교육요구조사분석을 통해 교육프로그램이 요구되는 직무를 선정하였다. 해당 직무를 수행하는데 필요한 지식과 기술수준을 발굴하기 위해, 기 개발된 NCS를 면밀히 검토하는 한편 NCS에 반영되지 않은 부분에 있어서는 기존자료 검토 및 전문가 자문을 통해 교육체계를 개발하였다. 총 44개의 교육과정이 4년간의 교육기간동안 이수되도록 개발되었으며, 각 과정은 교과목표, 소요시간, 교과내용, 교육방법, 그리고 선수과목을 각각 표기하였다. 또한 44개의 교육과정을 운영하는데 필요한 교육체계 로드맵, 세부 운영전략 등을 개발하였다. 사회적으로 NCS에 기반한 교육과정의 필요성이 증대되고 있는 상황에서 본 연구결과 도출된 교육체계와 교육과정은 많은 시사점을 가진다. 특히 고용노동부에서 제시하고 있는 매뉴얼에 따른 개발 절차를 자세히 소개함으로써, 향후 NCS에 기반한 산업직무별 교육과정개발에 참고자료로 활용될 것으로 기대된다. 보다 활발한 NCS기반 교육과정 개발을 위해 해당 과정의 교육성과를 측정하기 위한 지표의 개발과 NCS에 특화된 교재의 개발이 요구된다.

• 한국인터넷방송통신학회논문지
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• 제17권1호
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• pp.89-97
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• 2017

최근 사물인터넷(IoT), 웨어러블 등 PC이외에 휴대용 디바이스를 대상으로 OOP(Object-Oriented Programming)와 함께 GoF(Gang of Four)의 디자인 패턴 등 다양한 객체지향 방법론 설계를 기반으로 소프트웨어를 개발하고 있다. 그러나 잘못된 어플리케이션 설계는 운영체제 속도 저하, 메모리 점유율과 배터리 사용량 증가 등 문제를 발생시킬 수 있기 때문에 저 사양 디바이스에서의 프로그래밍 최적화의 중요도가 높다. 본 논문에서는 안드로이드(Android) 운영체제를 기반으로 Strategy패턴, State패턴, Observer패턴 등 최적화된 디자인 패턴 적용 방법을 제안한다. 테스트 결과 제안하는 패턴 선별 기법이 저 사양 디바이스에 최적화된 디자인 패턴을 선별할 수 있다는 것을 확인하였다.

• 대한전자공학회논문지SD
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• 제46권2호
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• pp.24-30
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• 2009

본 논문에서는 3GPP(Third Generation Partnership Project) Release 7 eHSPA(High Speed Packet Access for Evolution) UE(User Equipment) FDD(Frequency Division Duplex) 규격을 만족하는 단말 모뎀의 FPGA(Field Programmable Gate Array) 플랫폼 설계 및 이를 기반으로 한 효율적인 검증 방법에 대해 제안한다. 구현된 FPGA 모뎀 플랫폼은 물리 계층 지원을 위한 모뎀 보드, MCU(Micro Controller Unit)와 DSP(Digital Signal Processor) 코어로 구성되어 모뎀 보드를 제어를 위한 제어 보드, 그리고 RF(Radio Frequency) 및 기타 장비 접속을 위한 주변장치(Peripheral) 보드 등으로 구성된다. 그리고 검증 단계는 하드웨어-소프트웨어 연동 상관 정도에 따라 단순 기능 검증, 시나리오 검증 그리고 호 처리 및 시스템 성능 검증 등으로 규정화하여 진행되었고, 실제 구현적인 측면으로 저 전력 SoC(System On a Chip)를 위한 에뮬레이션 검증 기법도 제안한다.