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곽지영(Jiyoung Kwak),윤서연(Seoyeon Yun),전정윤(Chungyoon Chun),최희원(Heewon Choi),박준석(J.S. Park),서석원(Seokwon Seo),권춘규(Chunkyu Kwon) 한국자동차공학회 2019 한국자동차공학회 부문종합 학술대회 Vol.2019 No.5
With the recent development of self-driving cars, vehicles are not just a means of transportation but becomes a living space. Thus, it is important to provide a comfortable indoor environment to passengers in the vehicle. To achieve this, HMC Comfort Model ver.1, which predicts the thermal comfort of passengers, was developed in 2017. However, since this model was developed for Korean males in their 2-30s, it is difficult to apply it to females where different physiological and psychological responses are shown. Therefore, in this study, the data to develop comfort model specialized for gender were obtained and analyzed. Experiments were conducted on Korean females in their 2-30s in actual vehicles located in climate chambers with hot and cold conditions. During the experiment, skin temperature was measured and thermal comfort of subjects was evaluated. The results were compared with previous results of Korean males and necessity of specialized comfort model for women was confirmed through differences between two results.
Analysis of Emotional Responses for Students in a Non-Face to Face (NF2F) Learning Environment
Jiyoung Kwahk(곽지영),Yubin Won(원유빈) 대한인간공학회 2021 대한인간공학회 학술대회논문집 Vol.2021 No.11
Objective: The purpose of this study is to find a solution that can improve the emotional responses of the users in non-face-to-face (NF2F) communication environments. The authors examined the positive and negative emotional responses experienced by the users in a NF2F learning environment, based on which solutions that can compensate for the shortcomings of NF2F interactions causing negative emotional responses were derived. Background: Due to the spread of COVID-19, face-to-face contact is discouraged, and we are forced to adopt NF2F methods in most working environments such as schools, companies, music concerts, festivals, art performances, etc. Especially in schools, teachers and students are enduring NF2F classes for almost two years now. Although there are many platforms available for online learning activities, the emotions felt by teachers and students who use them are not fully considered. Method: Two user survey sessions were conducted online to understand the emotional responses of the students in non-face-to-face real-time video lectures. In the first survey, overall emotional response patterns regarding NF2F classes were examined. A total of 225 people participated in the survey. They were asked to answer a series of structured questions to assess the type of emotions experienced during NF2F lectures, designed based on the Plutchik’s Wheel of Emotions. In the second survey, we investigated more detailed emotional responses along with the causes with respect to each step of the user journey. A total of 150 students participated online. They were asked to answer a series of structured questions to assess the type of emotions as well as the causes of the positive or negative responses for each step of user journey of NF2F lectures. Results: The emotions most frequently felt by the users of non-face-to-face lectures include: serenity (87%), boredom (84%), distraction (80%), acceptance (65%), apprehension (65%), and annoyance (60%). Among the steps of the user journey, users experienced negative emotions most frequently in connecting to the classes, waiting rooms, audio-visual settings, attendance check, sharing screens, and asking questions. Conclusion: Solutions to resolve the causes of the negative emotional responses were suggested based on the results. Application: This study is a basic research for vitalizing non-face-to-face industries by developing an Affective Intelligence Model that supports the interactions for remote or virtual working environments, which has recently emerged as an essential requirement for global industrial competitiveness in the post-pandemic era.
초급 학습자를 위한 한국어 이해 교재 개발의 실제 - ‘새 연세한국어 듣기와 읽기 2’를 중심으로
곽지영 ( Kwak Ji Young ),이수민 ( Lee Sumin ),최유경 ( Choi Yookyung ),성미현 ( Sung Mihyun ),이지영 ( Lee Jiyoung ),이혜림 ( Lee Hyerim ) 연세대학교 언어연구교육원 한국어학당 2019 외국어로서의 한국어교육 Vol.52 No.-
The purpose of this study is to examine the process of developing a Korean comprehension skill-based textbook for elementary-level learners - ‘New Yonsei Korean Listening and Reading 2’ as well as its lesson and unit structure1). ‘New Yonsei Korean Listening and Reading 2’ has been developed to be used along with ‘New Yonsei Korean Vocabulary and Grammar 2’ and ‘New Yonsei Korean Speaking and Writing 2’. This paper reviews the principles that ‘New Yonsei Korean Listening and Reading 2’ is based on, the development process, and examples of each section of unit. Each unit of ‘New Yonsei Korean Listening and Reading 2’ consists of the following sections: ‘Title and Lesson Objective’, ‘Let’s Prepare’, ‘Let’s Listen’, ‘Let’s Read’, ‘Let’s Repeat’, and ‘Let’s Summarize’. ‘New Yonsei Korean Listening and Reading 2’ is a topic-based textbook, and is intended to enhance the learners’ comprehension ability and develop the learners’ communicative competence.
스마트시티 계획 수립에서 bottom-up approach의 중요성
장혜지(Hyeji Jang),곽지영(Jiyoung Kwahk),정다운(Dawoon Jeong),류현영(Hyun Young Ryu) 대한인간공학회 2019 대한인간공학회 학술대회논문집 Vol.2019 No.5
This study aims to present the importance of the bottom-up approach by comparing and analyzing two approaches for establishing safe smart city design in Pohang. In order to solve various urban problems, or to develop the efficient new city, the world is paying attention to smart city. It is essential to combine top-d own and bottom-up approach in order to create citizen-sentiment smart city. Korea is also pursuing for various smart city plans, but most are government driven. To collect plans that are underway or being targeted, interviews were conducted with the person in charge from 18 departments of Pohang city hall. As part of the Bottom-up method, a survey was conducted on Pohang citizens to collect safety-related requirements. The responses collected through each method were classified by open card sorting and compared. Pohang city plans were classified into four categories: hardware improvement, software improvement, service procurement, and data and technology. The responses collected from 297 citizens were classified as functional requirements, non-functional requirements, and emotional discomfort. As a result of comparing two approaches, it was confirmed that there is a difference in the scale and items of the problem to be solved. In addition, it was shown that there was a limitation to the utilization of data and technologies. The results of this study indicate necessity of a bottom-up approach and participation of various organizations when establishing a smart city plan.
측판이 있는 코안다 플랩에 의한 추력편향 특성에 관한 연구
박상훈(Sanghoon Park),곽지영(Jiyoung Kwak),이현재(Hyunjae Lee),이열(Yeol Lee) 한국추진공학회 2015 한국추진공학회 학술대회논문집 Vol.2015 No.5
측판이 설치된 코안다 플랩을 이용한 음속제트의 추력편향특성에 대한 실험적 연구가 진행되었다. 고정확도 추력편향 시험장치와 쉴러린 유동가시화 기법이 연구에 응용되었다. 측판의 설치로 인하여 코안다 플랩 하류에서의 제트유동 박리가 지연되었고, 약한 이력현상을 동반한 67도에 가까운 높은 추력편향각이 관찰되었다. An experimental study for characteristics of the thrust vectoring of a sonic jet utilizing the coanda flap with side plates was performed. A multi-component force measurement system of a high accuracy and Schlieren flow visualization were employed for the study. The jet flow separation at the downstream of the coanda surface was delayed by installation of the side plates, and high deflection angle of the jet flow up to 67° accompanying a weak hysteresis phenomenon was observed.
김지우(Jiwoo Kim),곽지영(Jiyoung Kwahk) 대한인간공학회 2021 대한인간공학회 학술대회논문집 Vol.2021 No.11
Objective:. ZOOM을 활용한 비대면 수업에서 원활한 수업 환경을 조성하고 학생과 교수자의 소통을 돕는 챗봇을 제안한다. 기존 비대면 수업 환경에서는 마이크 볼륨이 작아 목소리가 들리지 않거나 화면 공유을 잘못하여 엉뚱한 화면이 송출 되는 등의 기술적 문제와 교수자가 학생이 채팅 기능으로 남긴 질문을 놓치는 소통의 문제가 있었다. Method: 본 챗봇은 수업 참가자가 자료를 공유하거나 장시간 발언을 하는 경우 다른 참가자에게 공유 상태에 대한 피드백을 수집한 뒤 당사자에게 전달하여 마이크 볼륨이나 공유 화면을 수정할 수 있도록 돕는다. 학생이 채팅으로 남긴 질문을 수집하여 교수자 화면의 상단 배너에 질문 개수와 내용을 제공한다. 교수자는 질문을 확인하면 ‘확인’버튼을 눌러 학생에게 알림을 보낸다. User-Journey map을 디자인하고 이를 기반으로 chatbot buuilder와 ZOOM에서 제공하는 SDK를 활용해 어플리케이션을 개발한다. Conclusion: 질의응답 및 수업 환경 설정에 도움을 주는 챗봇을 제안하여 교수자와 학생의 소통을 돕고자 한다. Application: 본 챗봇으로 수업을 비롯한 다양한 비대면 발표 상황에서 안정적인 환경 유지와 원활한 질의응답을 위해 활용할 수 있을 것이다.