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Zoutendijk, M. (author)The aerospace industry annually provides transport for billions of passengers along trillions of kilometers. The industry is continuously aiming to provide these services in a more efficient and sustainable way. One possibility is to consider improving airside airport operations, both current types and those expected in the near future....doctoral thesis 2024
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Zhu, Yonghan (author), Janssen, M.F.W.H.A. (author), Pu, Chengyan (author)Acceptance by customers is key to the success of shared autonomous vehicles (SAVs). However, only a small group of early technology-savvy customers currently use such vehicles, while the general population does not. Based on the Unified Theory of Acceptance and Use of Technology, Theory of Perceived Risk, and perceived threat of unemployment...journal article 2024
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Middela, Mounisai Siddartha (author), Mahesh, S. (author), McNabola, Aonghus (author), Smith, William (author), Timoney, David (author), Ekhtiari, Ali (author), Fowler, Ben (author), Willis, Paul (author), Rose, Rebecca (author)Assessing real-world emissions from buses and taxis is vital to comprehend their impact on urban air quality. Such vehicles differ significantly from the majority of the fleet owing to their higher mileage rates. However, few studies have focused on specifically assessing the emissions from this segment of the vehicle fleet. In this context,...journal article 2024
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Zoutendijk, M. (author), Mitici, M.A. (author)Taxiing aircraft using electric vehicles is seen as an effective solution to meet aviation targets of climate neutrality. However, making the transition to electric taxiing operations is expected to significantly increase the electricity demand at airports. In this paper we propose a mixed-integer linear program to schedule electric vehicles...journal article 2024
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van Gisbergen, Daan (author)This thesis explores waiting and rebalancing strategies in urban waterborne transport, intending to improve the efficiency and operational performance of water transportation systems. The study is based on a review of the literature on waterborne transport and waiting and rebalancing strategies. This is followed by a case study where the found...master thesis 2023
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Meseguer Berroy, Paula (author)Fuel consumption during the taxi phase of flight can be reduced by using electric wheel propulsion instead of aircraft engines. Currently, this can be either done by having external trucks towing the aircraft from the gate to the runway, or by incorporating electric motors on the aircraft wheels to power the aircraft without using the engines....master thesis 2023
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An investigation of operational management solutions and challenges for electric taxiing of aircraftZoutendijk, M. (author), Mitici, M.A. (author), Hoekstra, J.M. (author)Taxiing aircraft using electric towing vehicles (ETVs) is expected to significantly contribute to the objective of climate-neutral aviation by 2050. This study reviews existing work on operational aspects of electric towing of aircraft, and discusses management solutions. We first discuss the varying electric taxi systems currently under...journal article 2023
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van Oosterom, S.J.M. (author), Mitici, M.A. (author), Hoekstra, J.M. (author)Following the Paris Accords, the aviation industry aims to become climate neutral by 2050. In this line, electric vehicles that tow aircraft during taxiing are a promising emerging technology to reduce emissions at airports. This paper proposes an end-to-end optimization framework for electric towing vehicles (ETVs) dispatchment at large...journal article 2023
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Chen, Tiantian (author), Ye, Shi (author), Oviedo-Trespalacios, O. (author), Sze, N. N. (author)With the increasing use of ride-hailing apps, concerns have arisen regarding road safety and driver distraction. Despite the recognized safety risks of driver distraction, limited research has explored how distractions from various ride-hailing systems affect drivers in the taxi industry. The research utilized a driving simulator experiment...conference paper 2023
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Liu, Zhengke (author), Ma, Xiaolei (author), Liu, Xiaohan (author), Correia, Gonçalo (author), Shi, Ruifeng (author), Shang, Wenlong (author)Optimizing battery swapping station (BSS) configuration is essential to enhance BSS’s energy savings and economic feasibility, thereby facilitating energy refueling efficiency of electric taxis (ETs). This study proposes a novel modular battery swapping mode (BSM) that allows ET drivers to choose the number of battery blocks to rent according...journal article 2023
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Segeren, Megan (author)In this paper, the emissions mitigation potential of implementing operational towing at major European airports is evaluated. Using mixed-integer linear programming, a scenario simulating mixed taxiing operations is used to find the relationship between fixed vehicle costs and target emission savings at an airport and European level. Using...master thesis 2022
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Kamphof, Jorick (author)Growth in air traffic demand and the increasing importance of reducing emissions cause airports to consider the improvement of their ground surface movement operations in terms of efficiency and environmental impact. Over the past years, engine-off taxiing techniques have been considered to reduce the environmental impact of airport taxiing...master thesis 2022
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Doole, M.M. (author)The paradigm of large-scale adoption of autonomous drone delivery promises to provide commercial and societal benefits. Over the past years, several companies have investigated the use-case of drones to transport small express packages of fast-food meals and time-sensitive medical supplies. The latter has shown to be highly beneficial in many...doctoral thesis 2022
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Soomers, Joost (author)The increased pressure to reduce aircraft emissions and the growing demand for air travel causes airports to consider alternatives for fuel-inefficient aircraft taxiing. External towing tugs can be deployed to effectively reduce on-ground fuel burn of outbound aircraft. These new operations are likely to aggravate ground delays as a result of...master thesis 2022
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Doole, M.M. (author), Ellerbroek, Joost (author), Hoekstra, J.M. (author)Package delivery via autonomous drones is often presumed to hold commercial and societal value when applied to urban environments. However, to realise the benefits, the challenge of safely managing high traffic densities of drones in heavily constrained urban spaces needs to be addressed. This paper applies the principles of traffic segmentation...journal article 2022
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Panchal, Isha (author), Metz, I.C. (author), Ribeiro, M.J. (author), Armanini, S.F. (author)With the rise of new and innovative Urban Air Mobility solutions, there also arises a need to integrate these into the existing airspace. Current airspace users include conventional civil, commercial and general aviation, military air users, police and emergency services as well as a plethora of avian life. Planned additions to the airspace are...conference paper 2022
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Tindemans, Bas (author)In order to reduce aircraft emissions during on-ground operations, electric taxiing systems (ETS) have been intensively researched to take over or assist in part of the taxiing phase of a flight. One of these ETS is the TaxiBot, deployed by Smart Airport Systems (SAS). While a number of papers have been researching this vehicle routing problem ...master thesis 2021
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Kroese, Jurjen (author)Electric taxiing (ET) is a novel concept that focuses on replacing engine-powered aircraft taxiing by taxiing using electrically powered towing vehicles, called ET vehicles. The main purpose of ET is reducing the impact of aviation on climate change while at the same time saving fuel costs. In this paper, we propose two models that can be used...master thesis 2021
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A Machine Learning Model for Normal and Extended Taxi-Out Time Prediction: Vienna Airport Case StudyProbyn, Michael (author)All major airport operators face a similar challenge, namely ensuring maximum throughput and maintaining high runway utilisation. A key part of this is accurately planning aircraft movements on the ground to avoid queueing and associated delays. A primary indicator of the operator performance in this area is the Taxi-Out Time. The research...master thesis 2020
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Groot, Merlijn (author)On-board electric motors can be used to drastically reduce the fuel usage during the taxiing phase of aircraft, leading to cost reductions for airlines and lower amounts of harmful emissions. This study analyses the current state of this innovation and its potential impact on aviation. On a global level, full adoption of electric aircraft...master thesis 2020