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발전기 가속에너지를 이용한 고장파급방지장치 운전조건 완화용 전기저장장치 적정용량 산정방안
송승헌(Seung-Heon Song),최우영(Woo-Yeong Choi),권한나(Han-Na Gwon),국경수(Kyung Soo Kook) 대한전기학회 2019 전기학회논문지 Vol.68 No.1
Due to the highly concentrated power plants integrated through the limited transmission lines in Korea, a Special Protection System(SPS) has been applied to stabilize the power systems by instantly tripping the pre—determined generators in a large-scaled power plant when a fault occurs on the drawing transmission lines. Moreover, power outputs of those generators are constrained to avoid any activation of Under Frequency Load Shedding(UFLS) even after those generators are tripped by SPS action. For this, this paper proposes a method for calculating the required capacity of Energy Storage System(ESS) expected to relieve the operating constraints to generators using its fast response for controlling power system frequency. The proposed method uses the generator acceleration energy to derive the stable condition during the SPS action. In addition, its effectiveness is verified by the case studies adopting actual SPS operations in Korean power systems.
송승헌(Song Seung-Heon),김응곤(Kim Eung-Kon) 한국콘텐츠학회 2005 한국콘텐츠학회 종합학술대회 논문집 Vol.3 No.2
디지털 콘텐츠 산업 즉, 영상 및 게임, 가상현실 등에서는 실시간으로 불꽃, 폭발, 연기, 액체, 눈, 비, 등의 특수효과를 시각적으로 사실적이고 화려한 영상으로 제공하기 위해 입자시스템을 사용한다. 디지털 콘텐츠 및 가상현실 제작자들과 응용 프로그램 개발자들에게 손쉽게 다양한 매개변수를 변경할 수 있는 인터페이스를 갖춘 Gill 환경이 제공된다면 다양한 디지털 콘텐츠에 사용자가 원하는 특수효과를 실시간으로 제공할 수 있을 뿐만 아니라 개발자에게 프로그래밍 기반을 제공할 수 있다.<br/> 본 논문에서는 디지털 콘텐츠 제작자와 가상현실 응용 프로그램 개발자가 저비용 고품질의 디지털 콘텐츠를 제작할 수 있도록 유체속성, 기상현상 등의 다양한 특수효과를 손쉽게 적용할 수 있는 특수효과 생성기를 설계한다. In digital contents industry there is a high demand to convincingly mimic the appearance and behavior of natural phenomena such as smoke, waterfall, rain, and fire. Particle systems are methods adequate for modeling fuzzy objects of natural phenomena. It is clear which parameter of which action in a particular effect should be modified for a particular visual result. The generator is usable for offline animation and for real-time special effects in digital contents and virtual reality. The application programmer is able to specify different accuracy needs for different effects. This paper design special effect generator for make low-price and high-quality digital contents in reflection industry and virtual reality applications.
관광호텔 종사원의 친사회적 행동에 따른 감정노동과 직무 스트레스와의 관계
송승헌(Seung Heon Song),류경민(Kyung Min Ryoo) 한국관광연구학회 2012 관광연구저널 Vol.26 No.1
This study looks at the problem of the Relationship between Emotion Labor and Job Stress in accordance with Pro-social Behavior of Hotel employee. Sampling was taken among employees for deluxe hotels in Seoul. A total of 400 samples were distributed and 265 valid samples were selected for research. After a process of data coding, the questionnaire was analyzed using SPSS 17.0. Results of factor analysis for pro-social behavior constituted a total of 3 factors. The characteristics of each factor I named as groups oriented towards defined roles, groups oriented towards voluntary cooperation, and groups oriented towards other definitions. Results of factor analysis for emotion labor constituted a total of 4 factors: toughness, management mechanism, service environment, expressive action, etc. Results of factor analysis for stress constituted a total of 3 factors: psychological tension, excessive work, and job instability. Hypothesis investigation based on my research matrix showed that emotion labor impacted stress significantly, and that variables in emotion labor impacted job stress.
지각된 일식전문점 서비스품질이 관계품질과 행동의도에 미치는 영향
송승헌 ( Seung Heon Song ),정수경 ( Jung Soo Kyung ) 한국호텔리조트학회(구 한국호텔리조트카지노산학학회) 2014 호텔리조트연구 Vol.13 No.3
This study was to grasp the effect of perceived service quality for the Japanese restaurant on the relative quality and behavior intention. The data collection like 222 questionnaires was executed from Jan. 1, 2014 to Mar. 1, 2014.. This study was to execute the factor analysis and reliability verification by using SPSS 18.0 and AMOS 18.0. To verify the suggested research hypothesis, this study was to execute the covariance structure analysis. First, this study has found that the physical environment quality in relations between the service quality of the Japanese restaurant and its relative quality had a positive effect on the satisfaction significantly. On the contrary, this study has shown that the interaction quality did not have a significant effect on the result quality. Second, this study has found that the satisfaction as result quality did not have positive effect on the behavior intention significantly. On the contrary, this study has shown that the trust had a positive effect significantly. Third, this study has found that the physical environment quality and interaction quality had a positive effect on the satisfaction significantly.
관광지 진정성이 장소애착 및 장소만족도와 장소충성도에 미치는 영향
송승헌 ( Song¸ Seung-heon ),임금옥 ( Lim¸ Geum-ok ) 한국관광산업학회 2021 Tourism Research Vol.46 No.3
이 연구의 목적은 관광지의 진정성이 장소애착, 장소만족도 및 충성도에 어떤 영향을 미치는지 조사하는 것이다. 실증연구를 위하여 2020년 9월 1일부터 9월 30일까지 30일간 관광목적으로 경주를 방문한 경험이 있는 방문객들을 대상으로 조사자들에게 연구의 목적 및 설문조사 방법에 대한 교육을 실시하였으며, 설문조사는 1:1로 자기기입식 설문지 방식에 의하여 실시하였다. 조사는 비확률 표본추출방법인 편의표본추출방법으로 설문지법으로 자료를 수집하였다. 설문조사 결과 총 400부를 배부하여 360부를 회수하였다. 이 중에서 불성실하게 응답했거나, 연구목적에 부적합한 17부의 설문지를 제외하고 347부를 분석에 이용하였다. 이를 바탕으로 실증 분석 결과는 다음과 같다. 첫째, 장소애착에 영향을 미치는 진위 관계에서 진위의 세 가지 요소 (개념적, 실존적, 객관적 진정성) 사이의 건설적 진정성과 객관적 진정성은 장소애착에 긍정적인 영향을 미치고 실존적 진정성은 보이지 않는 것으로 나타났다. 장소애착에 영향을 미친다. 둘째, 장소애착과 장소만족의 관계를 조사한 결과 장소정체성과 장소의존성은 만족도에 긍정적, 부정적 영향을 미치는 것으로 나타났다. 셋째, 장소만족도는 장소 충성도에 긍정적인 영향을 미치는 것으로 나타났다. The purpose of this study is to investigate how the authenticity of tourist destinations affects place attachment, place satisfaction, and loyalty. For the empirical study, for 30 days from September 1 to September 30, 2020, the investigators were educated on the purpose of the study and the survey method for visitors who had visited Gyeongju for tourism purposes. was conducted 1:1 by self-filling questionnaire. In the survey, data were collected using a questionnaire method using a non-probability sampling method, a convenient sampling method. As a result of the survey, a total of 400 copies were distributed and 360 copies were collected. Of these, 347 copies were used for analysis, excluding 17 questionnaires that responded insincerely or were inappropriate for the purpose of the study. Based on this, the empirical analysis results are as follows. First, in the authenticity relationship affecting place attachment, constructive authenticity and objective authenticity between the three elements of authenticity (conceptual, existential, and objective authenticity) had a positive effect on place attachment, and existential authenticity was not seen. affect attachment to place. Second, as a result of examining the relationship between place attachment and place satisfaction, it was found that place identity and place dependence had positive and negative effects on satisfaction. Third, place satisfaction was found to have a positive effect on place loyalty.