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Dabin Xue
Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong Special Administrative Region

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Journal article
Published: 30 August 2021 in Advanced Engineering Informatics
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As the backbone of Communications, Navigation and Surveillance Systems for Air Traffic Management (CNS/ATM), Automatic Dependent Surveillance-Broadcast (ADS-B) is a surveillance technology and digital-technology enabler relying on the Global Navigation Satellite System (GNSS). The onboard ADS-B Out system broadcasts the aircraft’s real-time digital information such as position and ground speed periodically (every 0.5–2 s), which is more frequent than the radar system. Taking this advantage, situational awareness and flight efficiency can be highly improved. In this paper, a novel heuristic search method based on ADS-B is proposed for the Aircraft Landing Problem (ALP) with the objective of reducing flight time while maintaining the time separation standards mandated by the International Civil Aviation Organization (ICAO). The recorded ADS-B data in Shanghai Hongqiao and Pudong international airports are adopted to demonstrate the performance of the proposed method. Results show that there is an obvious decrease in the total flight time. Besides, the heuristic search method can achieve continuous and real-time ALP updates, satisfying the requirements for air traffic control. While highlighting ADS-B-based applications, this study also provides some basic implications for the updated model in air traffic management.

ACS Style

Dabin Xue; Li-Ta Hsu; Cheng-Lung Wu; Ching-Hung Lee; Kam K.H. Ng. Cooperative surveillance systems and digital-technology enabler for a real-time standard terminal arrival schedule displacement. Advanced Engineering Informatics 2021, 50, 101402 .

AMA Style

Dabin Xue, Li-Ta Hsu, Cheng-Lung Wu, Ching-Hung Lee, Kam K.H. Ng. Cooperative surveillance systems and digital-technology enabler for a real-time standard terminal arrival schedule displacement. Advanced Engineering Informatics. 2021; 50 ():101402.

Chicago/Turabian Style

Dabin Xue; Li-Ta Hsu; Cheng-Lung Wu; Ching-Hung Lee; Kam K.H. Ng. 2021. "Cooperative surveillance systems and digital-technology enabler for a real-time standard terminal arrival schedule displacement." Advanced Engineering Informatics 50, no. : 101402.

Journal article
Published: 01 July 2021 in Journal of Air Transport Management
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COVID-19 pandemic starting in early 2020 has greatly impacted human and industrial activities. Air transport in China shrank abruptly in February 2020, following a year-long gradual recovery. The airline companies reacted to this unprecedented event by dramatically reducing the flight volume and rearranging the aircraft types. As the first major economy that successfully controls the spread of COVID-19, China can provide a unique opportunity to quantify the medium-long impacts on the air transport industry. To quantify the corresponding changes and to elucidate the effects of COVID-19 in the wake of two major outbreaks centered in Wuhan and Beijing, we analyze twelve flight routes formed by four selected airports, using the Automatic Dependent Surveillance-Broadcast (ADS-B) data in 2019 and 2020. Our results show that the total flight volume in 2020 reduced to 67.8% of 2019 in China. The recovering time of flight volume was about 2–6 months, dependent on the severity. In order to unwind the severe challenge, airlines mainly relied on aircraft B738 and A321 between February and June in 2020 because the fuel consumption per seat of these two aircraft types is the lowest. Besides, fuel consumption and aircraft emissions are calculated according to the Base of Aircraft Data (BADA) and the International Civil Aviation Organization's Engine Emissions Databank (ICAO's EEDB). At the end of 2020, the ratios of daily fuel consumption and aircraft emissions of 2020 to 2019 rebounded to about 0.875, suggesting the domestic commercial flights were nearly fully recovered. Our results may provide practical guidance and meaningful expectation for commercial aircraft management for other countries.

ACS Style

Dabin Xue; Zhizhao Liu; Bing Wang; Jian Yang. Impacts of COVID-19 on aircraft usage and fuel consumption: A case study on four Chinese international airports. Journal of Air Transport Management 2021, 95, 102106 .

AMA Style

Dabin Xue, Zhizhao Liu, Bing Wang, Jian Yang. Impacts of COVID-19 on aircraft usage and fuel consumption: A case study on four Chinese international airports. Journal of Air Transport Management. 2021; 95 ():102106.

Chicago/Turabian Style

Dabin Xue; Zhizhao Liu; Bing Wang; Jian Yang. 2021. "Impacts of COVID-19 on aircraft usage and fuel consumption: A case study on four Chinese international airports." Journal of Air Transport Management 95, no. : 102106.

Journal article
Published: 03 August 2020 in Sustainability
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The rapid growth of air travel and aviation emissions in recent years has contributed to an increase in climate impact. Contrails have been considered one of the main factors of the aviation-induced climate impact. This paper deals with the formation of persistent contrails and its relationship with fuel consumption and flight time when flight altitude and true airspeed vary. Detailed contrail formation conditions pertaining to altitude, relative humidity and temperature are formulated according to the Schmidt–Appleman criterion. Building on the contrail formation model, the proposed model would minimise total travel time, fuel consumption and contrail length associated with a given flight. Empirical data (including pressure, temperature, relative humidity, etc.) collected from seven flight information regions in Chinese observation stations were used to analyse the spatial and temporal distributions of the persistent contrail formation area. The trade-off between flight time, fuel consumption and contrail length are illustrated with a real-world case. The results provided a valuable benchmark for flight route planning with environmental, flight time, sustainable flight trajectory planning and fuel consumption considerations, and showed significant contrail length reduction through an optimal selection of altitude and true airspeed.

ACS Style

Dabin Xue; Kam K. H. Ng; Li-Ta Hsu. Multi-Objective Flight Altitude Decision Considering Contrails, Fuel Consumption and Flight Time. Sustainability 2020, 12, 6253 .

AMA Style

Dabin Xue, Kam K. H. Ng, Li-Ta Hsu. Multi-Objective Flight Altitude Decision Considering Contrails, Fuel Consumption and Flight Time. Sustainability. 2020; 12 (15):6253.

Chicago/Turabian Style

Dabin Xue; Kam K. H. Ng; Li-Ta Hsu. 2020. "Multi-Objective Flight Altitude Decision Considering Contrails, Fuel Consumption and Flight Time." Sustainability 12, no. 15: 6253.