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        산업용 수용가에서 에너지절감을 위한 ESS 운영 방안에 관한 연구

        유순정(Soon-Jeong Yu),이안기(An-gi Lee),백정선(Jeong-Seon Baek),차대중(Dae-Joong Cha),김재철(Jae-Chul KIm) 대한전기학회 2018 전기학회논문지 Vol.67 No.9

        In this paper, Optimal operation plan through load analysis of industrial end-user is suggested. It calculated economic feasibility of ESS with detailed power lad analysis and conditions. Generally, if the latest maximum power is less than 30% of contracted power, it can not be peak shaving operation plan. and if the peak load level stays stead for 24 hours, it is difficult peak shaving for ESS. In addition to, When the peak load is occurred in summer or winter, a hybrid operation method combining the peak shaving plan and the time shift method is proposed. Therefore, When ESS is installed in industrial electrical customer, it is achieved best effect through the optimal operation plan.

      • KCI등재

        드론택시(UAM)의 수직이착륙장(Vertiport) 설치기준 연구

        최자성,이석현,백정선,황호원,Choi, Ja-Seong,Lee, Seok-Hyun,Baek, Jeong-Seon,Hwang, Ho-Won 한국항공운항학회 2021 한국항공운항학회지 Vol.29 No.1

        UAM(Urban Air Mobility) systems have evolved in the form of helicopters in the 1960~1970s, tiltrotors in the 1980s, small aircraft transportation systems in the 2000s, and electric-powered Vertical Take-Off and Landing (eVTOL) in the 2010s; accordingly, the early heliport has evolved to its current form of a Vertiport. Vertical Takeoff and Landing Sites, Vertiports, are important factors for the successful introduction of UAM, along with the resolution of air traffic control (ATC), air security, and noise problems. However, there are no domestic or international installation standards and guidelines yet. Therefore, in this study, installation standards were prepared by referring to domestic and international case studies, ICAO standards, and MIT research papers. The study proposes to establish standards for Final Approach and Takeoff Area (FATO) as 1.5D, 1D for Touchdown and Lift-Off Area (TLOF), and 1.5D for Safety Area (SA). It also proposes to add "UAM Vertiport Installation Standards" to the 「Act on the Promotion and Foundation of Drone Utilization, Drone Act」.

      • KCI등재

        드론 택시의 법적 정의 및 법제화 방안 논의

        최자성 ( Ja-seong Choi ),백정선 ( Jeong-seon Baek ),황호원 ( Ho-won Hwang ) 한국항행학회 2020 韓國航行學會論文誌 Vol.24 No.6

        「드론법」 제정으로 드론의 법적 근거를 마련함과 항공안전법상의 안전규제를 유예 또는 면제시키는 등 드론산업 육성정책에도 불구하고 드론의 정의가 명확하지 않아서 상업적 활용을 위해서는 여전히 논의가 필요하다. 따라서, 국내외 사례조사와 현행 항공법의 문제점을 분석한 결과, 현행 드론법에서 「조종자가 탑승하지 아니하고, 자체중량이 150 kg 이하인 무인비행기」라고 정의되어 있으나, 실제 조종사가 탑승해야 하고 드론택시의 자체중량이 150 kg 이상인 점 등 여러 문제점이 발견되었다. 따라서 드론택시에 대한 정의로 "드론" 이란 원격ㆍ자동ㆍ자율 등의 방식에 따라 항행하는 비행체로서 국토교통부령으로 정하는 「항공안전법」제2조제3호에 따른 무인비행장치(단, 자체중량이 300 kg이하 또는 무게 제한 없음) 또는「항공안전법」제2조 제6호에 따른 무인항공기로 정의할 것을 제안하였다. There are policies that foster the drone industry, which either put a legal precedent on drones through the “Drone Act” or grant a delay or exemption in applying the safety measures of “the Aviation Safety Act”. Yet, the definition of a drone is unclear, requiring further discussion on commercial usage. Therefore, we have studied cases domestically and abroad, and also analyzed issues with the current aviation legislation. It was found that a drone is defined as “an unmanned aircraft where a pilot is not on board, and its net weight is 150 kg or less”. However, there are several issues, such as that a drone taxi requires a pilot on board, and its weight is 150 kg or more. Thus, we propose to define a drone as “an unmanned aerial vehicle (provided, that its own net weight should be 300 kg or under, or not be limited to weight) under Article 2 (3) of the “Aviation Security Act” as prescribed by Ordinance of the Ministry of Land, Infrastructure, and Transport, which operates either by remote, automatically, or autonomously; or an unmanned aircraft under Article 2 (6) of the "Aviation Security Act".

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