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서인선,이영미,오상율,곽명창,이현지,In-Seon Suh,Young-Mi Lee,Sang-Yul Oh,Myeong-Chang Gwak,Hyeon-Ji Lee 한국환경과학회 2024 한국환경과학회지 Vol.33 No.7
In popular tourist destinations such as Jeju and Gangwon, electric rental cars are increasingly adopted. However, sudden battery drain due to weather conditions can pose safety issues. To address this, we developed a battery consumption analysis model that considers resistive energy factors such as acceleration, rolling resistance, and aerodynamic drag. Focusing on the effects of ambient temperature and wind speed, the model's performance was evaluated during an empirical validation period from November to December 2023. Comparing predicted and actual state of charge (SoC) across different routes identified ambient temperature, wind speed, and driving time as major sources of error. The mean absolute error (MAE) increased with lower temperatures due to reduced battery efficiency. Higher wind speeds on routes 1 and 6 resulted in larger errors, indicating the model's limitation in considering only tailwinds for aerodynamic drag calculations. Additionally, longer driving times led to higher actual SoC than predicted, suggesting the need to account for varying driver habits influenced by road conditions. Our model, providing more accurate SoC predictions to prevent battery depletion incidents, shows high potential for application in navigation apps for electric vehicle users in tourist areas. Future research should endeavor to the model by including wind direction, HVAC system usage, and braking frequency to improve prediction accuracy further.
법원선의주의(法院善意主義)와 기소독점주의(起訴獨占主義)의 관계 -최근 소년사법 개정논의를 중심으로-
서인선 ( In Sun Suh ) 법조협회 2006 法曹 Vol.55 No.1
이 글에서는 2004. 7. 서울가정법원 산하의 가사·소년제도개혁위원회의 의결사항 중 종래 소년사법절차에서의 심리 장기화 등으로 인한 폐해를 방지하기 위하여 검사가 불기소처분을 하는 경우를 제외하고 모든 사건을 소년법원에 송치하도록 하는 법원선의주의와 관련하여 우선 선의주의의 유형 및 그 입법례를 살피고, 최근 가사·소년제도개혁위원회의 주요 의결사항 및 그 논거와 그 반대논리로서 법원선의주의와 기소독점주의와의 관계를 살펴본 후 검사선의주의를 유지하면서도 소년사건의 처리의 효율성과 적정성을 도모할 수 있는 대안에는 무엇이 있는지에 대하여 검토하였다.
중환자실 간호사들의 침상모니터 심전도 관찰 관련 지식 및 간호행위
강정희(Kang, Jeong Hee),서인선(Suh, In Sun),김지영(Kim, Ji Young) 한국간호교육학회 2014 한국간호교육학회지 Vol.20 No.1
Purpose: Bedside electrocardiograph (ECG) monitoring is continuously used for assessing patients’ cardiac status in intensive care units. However, it has not been explored whether it is used with proper knowledge and nursing practices; if not, its usage will be limited and the risk for compromised patient safety might be significant. This study, therefore, explored knowledge and nursing practices regarding bedside ECG monitoring in nurses working at intensive care units. Methods: Participants in this survey research were a convenience sample of 156 nurses from 25 intensive care units distributed in five hospitals with more than 1,000 beds each in Seoul, South Korea. Results: Participants showed limited and incorrect knowledge and nursing practices. Only 4 (2.6%) participants correctly answered to all electrode placement sites of RA, LA, LL, and V1. Lead II was the most frequently monitored unit regardless of the main purpose of ECG monitoring, and nursing practices to manage noisy signals did not include skin care at the top priorities. Conclusion: Educators and clinicians alike need to make an effort to ensure that a safe level of knowledge and practices for the monitoring is maintained in order to make sure that patient outcomes are not compromised.
권향숙(Hyang-Suk Kwen),서인선(In-Sun Suh),김현경(Hyun-Kyung Kim) 한국콘텐츠학회 2013 한국콘텐츠학회논문지 Vol.13 No.9
본 연구는 암환자의 죽음준비와 죽음불안 정도 및 그 관계를 파악하기 위한 서술적 조사연구이다. 연구대상은 암으로 진단 받고 4개 병원에 입원 중인 환자 183명으로 자료수집은 2010년 5월에 이루어졌다. 자료분석은 SPSS WIN 20.0 프로그램을 이용하여 서술통계, independent t-test, one-way ANOVA, Pearson’s correlation coefficient를 산출하였다. 대상자의 죽음준비 정도는 4점 만점에 1.99(±0.69)점으로 심리적 준비 정도가 가장 높았으며, 죽음불안 정도는 4점 만점에 2.21(±0.59)점으로 죽음과정에 대한 불안이 가장 높게 나타났다. 죽음준비와 죽음불안간의 상관관계는 통계적으로 유의하지 않았다. 대상자의 특성에 따른 죽음준비 정도는 연령, 내세관, 암 병기, 투병기간 및 증상 수에서, 죽음불안 정도는 신앙심과 내세관에서 유의한 차이를 보였다. 암환자들은 특히 죽음과정에 대한 불안이 높기 때문에 투병 및 임종과정에서 겪게 되는 불안을 경감시켜 줄 필요가 있으며, 아울러 영적 간호중재가 포함되어야 함을 제안한다. This study was conducted to examine the readiness for death and death anxiety among hospitalized cancer patients. A convenience sample of 183 cancer patients admitted to four hospitals in Korea was recruited for this study. Data were collected in 2010. Collected data were analyzed with descriptive statistics, independent t-test, one-way ANOVA, and Pearson’s correlation coefficient. The mean scores of readiness for death and death anxiety were 1.99(±0.69) and 2.21(±0.59) out of 4, respectively. ‘Psychological readiness’ showed the highest mean score among the death anxiety domains, and ‘dying process’ had the highest mean score among the death anxiety domains. No statistically significant correlation was found between readiness for death and death anxiety. Readiness for death was statistically significantly different according to age, afterlife beliefs, stage of cancer, duration of disease, and number of symptoms. Death anxiety showed significant difference according to faith in God and afterlife beliefs. Distress in the process of dying needs to be managed for cancer patients and spiritual interventions should be considered to relieve death anxiety.