Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 37 for “"UAM"”.
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Urban Air Mobility (UAM) Landing Site Feasibility Analysis: A Multi-Attribute Decision Making Approach
… place landing sites for the Urban Air Mobility (UAM) concept. The analysis shows an integrated approach to establish UAM landing site requirements, place landing sites based on predicted demand, and estimate the costs associated with UAM landing sites. This thesis also makes estimates of fares …
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Urban Air Mobility: Demand Estimation and Feasibility Analysis
… environmental impact of the Urban Air Mobility (UAM) or Advanced Air Mobility (AAM). UAM is a concept aerial transportation mode designed for intracity transport of passengers and cargo utilizing autonomous (or piloted) electric vehicles capable of Vertical Take-Off and Landing (VTOL) from dense …
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Systems analysis of urban air mobility operational scaling
Urban air mobility (UAM) refers to a set of vehicles and operational concepts that provide on-demand or scheduled air transportation services for passengers and cargo within a metropolitan area. Prior UAM systems based on helicopters or small aircraft did not achieve sustained, large-scale …
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Analysis of Potential Demand of On-Demand Urban Air Mobility Via Agent-Based Simulation
… the potential demand of Urban Air Mobility (UAM) by performing agent-based simulation. The comprehensive UAM model proposed by this thesis combines demand, supply, and their interactions at fine spatial and temporal levels. It has been implemented in the state-of-the-art mobility simulation …
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Simulating Urban Air Mobility Supply
Urban air mobility (UAM) is a relatively new concept in the transportation industry. As on-demand services like Uber and Lyft have transformed our daily lives, our objective is to explore how on-demand UAM impacts mobility patterns by modeling the supply-side of such a service within a realistic, …
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Emergent Themes of Operational Safety at Urban Air Mobility at Vertiports: The Stakeholder Perspective
<p>The emerging urban air mobility (UAM) industry is dynamic, complex, and still highly conceptual, as vertiports are not currently an operational reality in the United States. The UAM vertiport is at the epicenter of the emerging advanced aviation ecosystem, representing significant operating …
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System Level Optimization of Urban Air Mobility
… landing aircraft to offer Urban Air Mobility (UAM) services. We have quantified the market demand of UAM for 5 U.S. cities considering demand from substitution of ground based transport through UAM services for commutes and airport access. By quantifying the number of travelers in each city who …
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Optimizing Urban Air Mobility Operations in a Corridor Network
… vehicles give rise to Urban Air Mobility (UAM) concepts. Initial UAM systems are projected to operate high volumes of flights within a capacitated corridor network. This paper develops a tractable methodology to optimize vehicle dispatching and routing in UAM networks, along with flight …
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High-latitude coupling processes between thermospheric circulation and solar wind driven magnetospheric currents and plasma convection
… and self-consistent Upper Atmosphere Model (UAM). This model describes the thermosphere, ionosphere, plasmasphere and inner magnetosphere as well as the electrodynamics of the coupled MIT system for the altitudinal range from 80 (60) km up to the 15 Earth radii. In the present study, I …
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Modelling Hepatitis C virus infection and treatment impact through serological surveillance data
… systems: the Unlinked Anonymous Monitoring (UAM) Survey and the Sentinel Surveillance of Blood- Borne Viruses (SSBBV). These datasets differ in design, with the UAM providing repeated cross-sectional snapshots with rich behavioural data, while the SSBBV offers longitudinal test histories, but …
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Analysis of urban air transportation operational constraints and customer value attributes
Urban Air Mobility (UAM) is a concept that proposes to provide short-range transportation solutions that enable customers to travel point-to-point more quickly than they can today using cars or public transportation. The concept of Urban Air Mobility is not new, but there has been rapidly …
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Propeller Noise Prediction of an Urban Air Mobility Vehicle in Urban Environment
<p>Urban Air Mobility (UAM) vehicles operate in complex, unsteady aerodynamic environments where wake interactions, gust and turbulence significantly affect both performance and noise generation. Understanding these mechanisms is critical for developing quieter and more efficient eVTOL systems that …
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Safety Systems, Culture, and Passengers’ Willingness to Fly in Autonomous Air Taxis
… by introducing the urban air mobility (UAM) concept, in which small passenger and cargo aircraft augment metropolitan transportation networks. A key component of UAM is that of air taxis, which are on-demand air services for individuals and small groups. In addition, UAM companies are …
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New data structures, models, and algorithms for real-time resource management
… Secondly, a new utility accrual model, i.e., UAM^+, is established for the resource management in real-time distributed systems. UAM^+ is constructed based on the timeliness of computation and communication. Most importantly, the interplay between computation and communication is captured and …
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A Safe and Robust Multi-Agent Motion Planning Framework for Urban Air Mobility
… This is referred to as the urban air mobility (UAM) problem, and the UAM problem has emerged as a leading challenge for these drones in recent years. Agents must be capable of real-time dynamic obstacle avoidance, planning motion in accordance with their own constraints, and detecting system …
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A cost comparison of spontaneously ventilated patients: the universal anaesthesia machine as a possible cost effective alternative
… of either the Universal Anaesthesia Machine (UAM) or the standard plenum system available. Anaesthesia was administered according to a protocol and the consumption of electricity, carrier gases, volatile hypnotic agent and carbon dioxide absorbent was measured. The cost per minute was then …
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Diseño del modelo de gestión del conocimiento para la institución universitaria Visión de las Américas
… Universitaria Visión de las Américas (UAM), establecimiento de educación superior, de carácter privado, ubicado en la ciudad de Medellín. El modelo inicia con el análisis del contexto organizacional y con la identificación de las necesidades de la Institución, entre las que se destacan …
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The Interaction of a Transient Forward Axial Disturbance Flow With a Rotor
… realistic conditions for urban air mobility (UAM). Utilizing a high-fidelity numerical simulation approach that combines Large-Eddy Simulation (LES) and Unsteady Reynolds-Averaged Navier-Stokes (URANS) models, the study effectively captures the complex aerodynamic and acoustic interactions …
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Investigation of the Aerodynamic and Acoustic Performance of a Scaled eVTOL Propeller in Axial and Non-Axial Flight
With the recent emergence of Urban Air Mobility (UAM) as a potential solution to alleviate congested urban transportation, concerns have arisen regarding adherence to noise emission regulations and general public acceptance. With the design of new and innovative air vehicles utilizing electric …
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A Systems-Theoretic Framework For Safety-Driven Development of System Architectures
… framework is applied to an Urban Air Mobility (UAM) case study to demonstrate that it provides the necessary design support to enable the development and refinement of an air traffic management (ATM) architecture for UAM. When creating a system architecture, assumptions may also need to be made …
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