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백호종 대한교통학회 2021 대한교통학회 학술대회지 Vol.85 No.-
This study presents a machine learning model for prediction of airborne time for flights departing from two major airports (Gimhae International airport (RKPK) and Gimpo International airport (RKSS)) for Jeju International Airport (RKPC). The main contribution of this research is to offer more accurate prediction of airborne time to help efficient scheduling of flights in a busy airport such as Jeju International airport. In air traffic management field, when many researchers have been already conducted on prediction of flight delays by using machine learning techniques such as Long Short-term Memory (LSTM), Recurrent Neural Network (RNN), Decision Tree, Logistics Regression and Neural Network (NN), there are still less studies for prediction of airborne time between airports flight routes. In this study, we analyse the relation between data variables especially how airborne time changes with the change in weather variable such as wind and visibility and flight data. Then, a resulting machine learning model is presented with the prediction accuracy of higher than 90% in the airborne time from Gimhae International airport (RKPK) and Gimpo International airport (RKSS) to Jeju International Airport (RKPC).
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백호종,김경식,장규식,신이현 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.10
방역지리정보시스템이란 지리정보(Geographical Information)의 정밀 위치 및 환경 정보를 이용하여, 감염병 매개체를 감시, 방제, 관리하기 위해 전산체계로 구성된 감염병 매개체 방제관리 시스템으로 매개체의 발생정보를 근거로 한 과학적이고 효율적인 방제를 실현하기 위해 개발되었다. 감염병 매개체를 방제관리하기 위해서는 전문성과 축적된 정보를 활용해야 하나 방역을 전담하는 보건소의 방역 담당자의 잦은 교체로 인한 보건소의 방역업무의 전문성 부재 및 방역인력 부족으로 인한 업무 관리의 어려움이 대두 되며, 관리 업무에 필수적인 매개체 발생 취약환경 정보 부재, 방역업무에서 생산되는 중요자료 DB 소멸로 인해 감염병 매개체에 대한 방제관리가 미흡하였다. 이에 질병관리본부 질병매개곤충과는 ‘2006년 보건복지부 건강증진기금사업 정책과제’ 채택으로 2006년에서 2007년까지 전국 5개 시·군 보건소를 대상으로 시범 구축을 시행 하였고 2012년 기존 C/S 환경의 프로그램을 Web 환경의 프로그램으로 고도화 하여 현재 16개 시·군 보건소에 보급 및 운영 하고 있다. 또한 전국 확산 및 보급을 위해 준비 중이며 향후 기후데이터(빅데이터)를 활용한 예측관리의 진화 및 다양한 정보를 제공 할 수 있는 종합 방제관리 시스템 구축을 목표로 하고 있다.
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최적화 기법을 활용한 UAM 버티포트 수용량 산정방법 연구
이승준,백호종,박장훈 한국항공운항학회 2023 한국항공운항학회지 Vol.31 No.2
Due to extreme urbanization, ground transportation in the city center is saturated, and problems such as the lack of expansion infrastructure and traffic congestion increase social costs. To solve this problem, a 3D mobility platform, Urban Air Mobility (UAM), has emerged as a new alternative. A vertiport is a physical space that conducts a similar role to an airport terminal. Vertiport consists of take-off and landing facilities (TLOF, Touchdown and Lift-Off area), space for boarding and disembarking from UAM aircraft (gates), taxiways, and passenger terminals. The type of vertiport (structure, number of facilities) and concept of operations are key variables that determine the number of UAM aircraft that can be accommodated per hour. In this study, a capacity calculation method was presented using an optimization technique (Deterministic Integer Linear Programming). The absolute capacity of the vertiport was calculated using an optimization technique, and a sensitivity analysis was also performed.
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조진호,백호종,장조원,Cho, Jin Ho,Baik, Ho Jong,Chang, Jo Won 한국항공운항학회 2020 한국항공운항학회지 Vol.28 No.1
A significant growth in local air traffic volume is leading to airway congestion and flight delays especially for Incheon-China and Incheon-Europe sectors. A key method to increase the airway capacity is to place a supplemental airway parallel to the existing one and in cooperation between the aviation authorities between China and Korea, a dual airway track was implemented on December 6, 2018. Here, we use airline A's flight data to analyze the congestion change effect of the new airway. Results show total delay time to Europe is reduced 51% (13.4 to 6.6 minutes) as the delay distribution for 16-30 minutes, 31 minutes and greater decreased from 23.2% to 8.2% and 8.7% to 1.0% respectively. The delay to China also decreased but the drop is not as significant as flights to Europe. This is caused by the difference in flight distance, traffic volume, and characteristics of flights landing and transiting China. Flights to Europe show a broad distribution in altitude allocation and reduction in aircraft separation demonstrating the effectiveness of a dual airway track.
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항공기 복행사례를 통한 제주국제공항 저층 윈드시어의 특징 연구
조진호,백호종,Cho, Jin Ho,Baik, Ho Jong 한국항공운항학회 2021 한국항공운항학회지 Vol.29 No.1
Low level wind shear, which often occurs at Jeju International Airport, is a phenomenon that occurs when the topological location and topographical characteristics of Jeju Island are combined with weather characteristics. Low level wind shears, which are caused by rapid changes in wind direction and wind speed, pose a threat to aircraft safety and also cause abnormal situations, such as aircraft go-around, diversion, and cancellation. Many meteorological studies have been conducted on weather patterns, occurrence periods and frequency of low level wind shears. However, researches related to aircraft operations are limited where here we study the similarities and differences between strong southwest winds and bidirectional tailwind type low level wind shears based on aircraft go-around cases at Jeju International Airport. The results are expected to be used to enhance safety when operating to Jeju International Airport, which includes pilot training that reflects the characteristics generated by wind changes, pilot prior notification, providing pilots with latest trends, and increasing extra fuel.
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배인석,백호종,박장훈 한국항공운항학회 2022 한국항공운항학회지 Vol.30 No.4
In the Aviation Safety Act, the part about fatigue management of Flight dispatcher was added as an amended law. Prior to the amendment of the Act, the regulations on fatigue of flight dispatcher governed by the FOM approved and reported by airlines according to the Ministry of Land, Infrastructure and Transport, but were enforced by law from June 9, 2021. In this study, the scope and work type of flight dispatchers are checked, and unlike flight attendants, it is intended to consider legal working hour management measures for flight dispatchers according to the enforcement of the fatigue management act.
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여객 터미널 시뮬레이션 모형의 예측력 향상을 위한 기초연구
강윤주,백호종 한국항공경영학회 2016 한국항공경영학회 추계학술대회 Vol.2016 No.-
본 연구는 공항의 여객터미널 시뮬레이션 모형의 예측력 향상을 위한 기초연구로서 보안검색 시설의 서비스시간 (즉, 소요시간) 관련 자료의 수집분석 및 활용 결과를 소개한다. 승객이 보안검색시설을 통과하는데 소요되는 시간은 국적, 나이, 계절 등 다양한 속성에 따라 차이를 보이는 것으로 알려져 있으나, 그동안 자료수집의 한계로 정확한 특성 파악에 어려움이 있었다. 본 연구에서는 최근 공항에서 수집되고 있는 대용량 자료 분석을 통해 여객의 속성에 따른 보안검색시설 서비스 시간을 분석하였다. 아울러, 보안검색장을 구현한 시뮬레이션 모형을 구축하고, `여객 속성별 서비스 시간`과 `단순 평균 서비스 시간`을 적용한 시뮬레이션 분석 결과를 비교 하였다. 분석 결과를 토대로 향후 상황별 적합한 시뮬레이션 모형의 활용방안을 제안하였다.
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구성관,백호종,Ku, SungKwan,Baik, Hojong 한국항공운항학회 2015 한국항공운항학회지 Vol.23 No.4
In this study, we surveyed analysis of ADS-B ground trajectory data using non-aviation approval public data. For analysis used non-aviation public data and commercial ADS-B receiver. The study result is available using ADS-B ground trajectory data for airfield surveillance on limited range. Also, to confirmed of available using non-aviation public data for aviation research.
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