Relevant bibliographies by topics / Urban Air Mobility (UAM)

Academic literature on the topic 'Urban Air Mobility (UAM)'

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Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Urban Air Mobility (UAM)"

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CİZRELİOĞULLARI, Mehmet Necati, Pınar BARUT, and Tapdig IMANOV. "FUTURE AIR TRANSPORTATION RAMIFICATION: URBAN AIR MOBILITY (UAM) CONCEPT: URBAN AIR MOBILITY." PRIZREN SOCIAL SCIENCE JOURNAL 6, no. 2 (August 31, 2022): 24–31. http://dx.doi.org/10.32936/pssj.v6i2.335.

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Urban Air Mobility (UAM) is a new concept offered for solving urban transportation system problems, contributing to reducing traffic congestion, atmospheric pollution and mobility around metropolitan areas which is progressively an evolved aviation market. Facing the evolved dynamics in the airspace and on the ground, developed new technologies are able to withstand against destroy transportation infrastructures of the big cities, making it necessary to develop UAM services in the megapolises and regional transportation sector. Based on new technologies and modern business approaches, applying the next generation aviation infrastructure makes it capable of setting up a novel air traffic within the urban environment. This case study aims to explore the urban air transport advantages, particularly adoption of UAM, which might be an alternative next generation air transportation system. Referring to the collected operational data and design performances of the UAM, in this paper, we will try to describe a multi approach studying differences between traditional aviation transportation and UAM operation. The first step of the study consists of defining an airspace classification for UAM mission and use of applicable requirements for air navigation service providers and second part of the study describes performing UAM infrastructure and design of vertiports necessary for vertical take-off and landing (VTOL) vehicles. Detailed design specification is not included in this study but limited characteristics are indicated according to the VTOL manufacturer that are obtained from the test results. As far as VTOL vehicles have not started their mission yet, the UAM operators are at the stage of development to set up their future operation. The expected trend provides justifiable assumptions of the necessity of establishing the new transportation ramification within the aviation industry, upon transforming existing business activities and regulations.
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Koumoutsidi, Annitsa, Ioanna Pagoni, and Amalia Polydoropoulou. "A New Mobility Era: Stakeholders’ Insights regarding Urban Air Mobility." Sustainability 14, no. 5 (March 7, 2022): 3128. http://dx.doi.org/10.3390/su14053128.

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Urban Air Mobility (UAM) constitutes a future aerial mobility alternative, which concerns the use of electric and autonomous aerial vehicles for transporting people throughout a planned network of vertiports. To materialize UAM, several actors of the air and urban transport ecosystem play a vital role. This paper describes the insights gathered from 32 key stakeholders around the world to present and frame the key aspects for the future implementation of UAM. The participants include representatives from the UAM industry such as airports, airlines, aviation consulting companies, academia, and authorities. The data collection encompasses various key research areas, covering topics such as UAM strengths, weaknesses, opportunities and risks, requirements for implementation, concept integration in the existing transport system, specific use cases, business models, and end-user segments. The research aims at setting up the stakeholder scene and expanding the current literature for UAM by engaging key decision makers and experts towards shaping the new mobility era. The results demonstrate that ensuring certification standards for UAM fleets and updating the current legal and regulatory framework are the main prerequisites for UAM’s realization. In addition, the usage of UAM for transporting cargo or for air ambulance services are the most mature business models for the coming decade.
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Scheff, Scott, Ferne Friedman-Berg, Jay Shively, and Andrew Carter. "Human Factors Challenges in Urban Air Mobility." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 64, no. 1 (December 2020): 179–82. http://dx.doi.org/10.1177/1071181320641044.

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For several generations there has been the vision of the flying car, a way to leave the road behind and fly through the skies from one point to another above the urban landscape. Finally, we appear to be on the cusp of true urban air mobility (UAM). Companies such as Uber Elevate, Amazon Delivery Drones, Hyundai Motor Company, and KittyHawk are looking to change the way we transport not just ourselves, but packages too. With this UAM capability however, comes multiple challenges for the human factors practitioner. Topics covered in this panel discussion will include the various challenges associated with safely operating UAM platforms in the airspace, requirement considerations, workload factors, and machine vs. human automation needs. This diverse panel includes renowned UAM and unmanned systems experts representing Government and Industry.
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Kim, JungHoon. "Urban Air Mobility Noise: Further Considerations on Indoor Space." International Journal of Environmental Research and Public Health 19, no. 18 (September 8, 2022): 11298. http://dx.doi.org/10.3390/ijerph191811298.

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Various countries are preparing for the introduction of urban air mobility (UAM) vehicles, which move freely within the space above a city, as a new means of urban transportation. However, UAM vehicles present new forms of challenges to many urban residents. This study aims to propose newly sensory standards for the noise levels of UAM vehicles in urban indoor spaces based on two fundamental questions: (1) Would UAM vehicles not have a lower and wider impact on city residents than a commercial aircraft? (2) Should the flight of UAM vehicles not consider the sensory noise, like the conventional noise standard? UAM vehicles, unlike commercial aircrafts, will cause noise pollution in a broad area of the city. Therefore, expanded aircraft noise standards will be required. In addition, the hybridized noise generated by conventional vehicles in the ground and UAM vehicles in the air will affect urban residents. Furthermore, urban residents will be exposed to sensory noise from UAM vehicles, which fly directly above them but not within their line of sight. Therefore, the noise standards for UAM vehicles should include the sensory properties in addition to the physical properties in the existing noise standards.
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Qu, Wenqiu, Chenchen Xu, Xiang Tan, Anqi Tang, Hongbo He, and Xiaohan Liao. "Preliminary Concept of Urban Air Mobility Traffic Rules." Drones 7, no. 1 (January 12, 2023): 54. http://dx.doi.org/10.3390/drones7010054.

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Driven by recent technological breakthroughs, the electric vertical take-off and landing (eVTOL) aircraft has gained considerable attention. The widespread demand for eVTOL aircraft can be attributed to their potential use in the commercialisation of urban air mobility (UAM) in low-altitude urban airspaces. However, the urban low-altitude airspace environment is complex. UAM has a high traffic density and the eVTOL aircraft specifications are not uniform. Particularly in commercial scenarios, controlling eVTOL aircraft and ensuring safety in UAMs are the two major problems that should be addressed in future studies. The design of reasonable traffic rules is a potential solution; hence, we organised a UAM traffic rule system and proposed several alternative UAM traffic rules from three perspectives: a single eVTOL aircraft, a certain route, and key control areas. In addition, we validated these traffic rules using multi-rotor and fixed-wing eVTOL aircraft. The results show that designing reasonable traffic rules can facilitate attaining the primary objectives of commercialisation of UAM.
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Rautray, P., D. J. Mathew, B. Eisenbart, and J. Kuys. "Understanding Working Scenarios of Urban Air Mobility." Proceedings of the Design Society 2 (May 2022): 563–72. http://dx.doi.org/10.1017/pds.2022.58.

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AbstractUrban Air Mobility (UAM) can provide new air mobility faster and avoid city traffic with the growth of new technologies. But they need to be co-developed with the city infrastructure. Thus, understanding the working scenarios of UAM and how they will interact with the city and the other modes of transport systems is vital. Storyboarding helps policymakers, city planners, designers, and investors better understand the product's contextual interaction over time. This process allows the design team to be implicit or express a design that is easy to understand, reflect upon, or modify.
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Vascik, Parker D., and R. John Hansman. "Evaluating the Interoperability of Urban Air Mobility Systems and Airports." Transportation Research Record: Journal of the Transportation Research Board 2675, no. 6 (February 9, 2021): 1–14. http://dx.doi.org/10.1177/0361198121991501.

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This paper investigates how existing arrival and departure procedures can be directly used or adapted to enable high-volume instrument and visual urban air mobility (UAM) flight operations at major airports in the United States. Viable procedures are restricted to those that enable simultaneous and non-interfering UAM flights with conventional aircraft operations. Air traffic controller workload is proposed as the critical integration barrier to scale UAM operations in visual conditions whereas separation minima, especially for approach procedures, is proposed as the critical barrier in instrument conditions. A systems approach is taken to evaluate potential integration strategies for UAM in which the location of UAM runways or vertipads and flight procedures are presented in a topological framework. The benefits, challenges, and notional application of five integration schemes are discussed. Four promising procedures for UAM are introduced through case studies at three airports. Findings indicate that multiple procedures exist to support high-volume UAM integration at major airports under current regulations with additional controller staffing, especially if UAM aircraft exhibit helicopter-like performance.
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Eißfeldt, Hinnerk. "Sustainable Urban Air Mobility Supported with Participatory Noise Sensing." Sustainability 12, no. 8 (April 19, 2020): 3320. http://dx.doi.org/10.3390/su12083320.

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In about 15 years, there is likely to be urban air mobility (UAM) in larger cities across the globe. Air taxis will provide on-demand transportation for individual needs. They will also connect important transportation nodes, such as airports and city centers, as well as providing quick transfers between train stations or a convenient option for crossing rivers and lakes. It is hoped that UAM will help meet today’s political targets of sustainability and decarbonization. However, there are certain threats that could impede the sustainable and thus successful introduction of UAM to our cities, with noise being a prominent limitation. This paper argues that citizens have to be viewed as stakeholders in urban air transportation, regardless of whether they or not intend to use it, and that a concept of resident participatory noise sensing (PNS) will be beneficial to the implementation of UAM. Web-based services and smartphones facilitate the access and updating of current information about local noise distributions, thus enabling them to be used to foster UAM in smart cities.
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Park, Chae-Won, Yong-Ku Kong, Kyeong-Hee Choi, Min-Uk Cho, Seoung-Yeon Kim, Ki-Seok Sung, Kye-Yoon Kim, and Min-Jung Kim. "Optimal Dimensional Guidelines for Urban Air Mobility (UAM) Internal Space Design." Journal of the Ergonomics Society of Korea 40, no. 2 (April 30, 2021): 123–38. http://dx.doi.org/10.5143/jesk.2021.40.2.123.

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Li, Jinhua, Yun Zheng, Menachem Rafaelof, Hok K. Ng, and Stephen A. Rizzi. "AIRNOISEUAM: An Urban Air Mobility Noise-Exposure Prediction Tool." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 6 (August 1, 2021): 474–85. http://dx.doi.org/10.3397/in-2021-1488.

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A new software tool called AIRNOISEUAM is introduced that models the noise exposure of Urban Air Mobility (UAM) operations. Given relevant UAM aircraft performance models, mission profiles, and Noise-Power-Distance data, AIRNOISEUAM predicts the noise exposure footprint for receptors on the ground. The performance of AIRNOISEUAM using a Robinson R66 helicopter model and a six-passenger quadrotor model, and a diverse set of scenarios from NASA’s UAM human-in-the-loop simulations is compared to that of the industry-standard tool with the same inputs. The predicted noise exposure results from both tools are found to be nearly identical. AIRNOISEUAM offers a fast-time, flexible interface and modular design to facilitate the dynamic requirements of the aviation research community.
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Dissertations / Theses on the topic "Urban Air Mobility (UAM)"

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Persson, Daniel. "Passenger Flight Experience of Urban Air Mobility." Thesis, Uppsala universitet, Observationell astrofysik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-399699.

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The first part of a study of passenger flight experience of Urban Air Mobility was completed. This first part included the design of different Urban Air Mobility vehicle models, in which the passenger flight experience would be quantitatively measured. A first version of a simulator setup, in which the measurements were performed, was also developed. Three concept vehicle models, a single main rotor, a side-by-side rotor and a quadrotor, were designed in the conceptual design software NDARC. The vehicles were electrically propelled with battery technology based on future technology predictions and were designed for autonomous flight with one passenger. The emissions of the vehicles were analyzed and compared with an existing turboshaft helicopter. The interface between NDARC and the flight dynamics analysis and control system software FlightCODE, which was used to create control systems to the NDARC models,  was developed to fit the vehicle configurations considered. The simulator setup was created with a VR headset, the flight simulation software X-Plane, an external autopilot software and stress sensors. Trial runs with the simulator setup were performed and gave important data for the continued development. Planned upgrades of the simulation station were presented and the continuation of the study was discussed.
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Tarafdar, Sayantan. "Urban Air Mobility (UAM) Landing Site Feasibility Analysis: A Multi-Attribute Decision Making Approach." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/104355.

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This thesis presents methods to 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 associated with UAM operations. The methods presented are applied to three large urban centers in the United States. The analysis assumes an all-electric, advanced multi-rotor aircraft with autonomous navigational and Vertical Takeoff and Landing (VTOL) capabilities to estimate UAM landing site requirements. The thesis presents the land area requirements of UAM landing sites using Federal Aviation Administration heliport design criteria considering ground-taxi configurations. The analysis performed employs a UAM vehicle with an equivalent Rotor Diameter (RD) of 43 feet. In this thesis, UAM demand is estimated using a mode choice model developed in a companion study (UAM Scenario Analysis). The methodology to locate UAM landing sites includes splitting and consolidation of UAM landing sites considering the Zillow Transaction and Assessment Dataset (ZTRAX) to introduce land-use size and cost constraints. The sites are split using a K-Means clustering method and are consolidated using a simple center of mass approach where the demand of each landing site is analogous to mass. The results presented in this thesis apply to 75 and 200 landing sites in each region and assume passenger Cost-Per-Mile (CPM) of $1.20 and $1.80, respectively. This thesis presents a comparative study on how the availability of land affects the splitting, consolidation, and relocation of UAM landing sites for each region, the number of landing sites, and the cost per passenger-mile.
Master of Science
This thesis aims at the landing sites for the Urban Air Mobility (UAM) concept for commuting passengers in Northern California (17 counties), Southern California (9 counties), and Dallas-Fort Worth (12 counties) region. The aircraft for this service is designed to be an all-electric advanced multi-rotor aircraft with autonomous navigational and Vertical Takeoff and Landing (VTOL) capabilities. The commuting trips considered is focused on passengers traveling to work from home and back. This thesis presents the land area requirements of these landing sites, which are calculated from the Federal Aviation Administration's (FAA) Advisory Circular 150/5390-2C using ground-taxi configuration for a typical representative aircraft of an equivalent rotor diameter (RD) of 43 feet. The landing sites are then split into smaller sites and consolidated into larger sites. This thesis also presents a list of plots of land located within the 0.5 statute-mile boundaries of the landing sites for relocation. This entire analysis is based on the availability of land from the Zillow Transaction and Assessment Dataset (ZTRAX). The results presented in this thesis are for 75 and 200 landing sites set in the study area for a passenger Cost-Per-Mile (CPM) of $1.2 and $1.8, respectively. The results show how the availability of land changes for different CPM for a set of landing sites and affects the splitting, consolidation, and relocation of landing sites for each region. In the end, the thesis presents conclusions and recommendations unique to each region.
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Vascik, Parker D. (Parker Denys Neff). "Systems analysis of urban air mobility operational scaling." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/128057.

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This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2020
Cataloged from the PDF of thesis.
Includes bibliographical references (pages 195-205).
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 adoption. The goals of this thesis are: to identify the principal scaling constraints of UAM, to discern how the severity of these constraints varies with different implementation locations and operational concepts, and to assess the feasibility of large-scale UAM services in the United States subject to these constraints. Seven potential scaling constraints are identified through exploratory case studies of UAM operations in three U.S. cities. Of these constraints, the development of takeoff and landing areas (TOLAs) and the provision of air traffic control (ATC) services are proposed as principal near-term constraints and selected for detailed analysis.
The development of high-throughput, small-footprint TOLAs to enable UAM scaling in urban areas is evaluated as a multicommodity flow problem. TOLA design and aircraft performance attributes that enhance throughput per footprint are determined through tradespace analysis. TOLA throughput is found to be highly dependent on attributes of ATC, namely controller workload and separation minima. Estimates of maximum aircraft throughput capacity are developed for representative inner-city UAM TOLAs of various physical designs. The development of procedurally segregated airspace cutouts for UAM flight is shown to be a promising strategy to enable high-volume UAM operations within terminal airspace. Furthermore, four flight procedures are proposed to support UAM access to commercial airports under both instrument flight rules (IFR) and visual flight rules (VFR). Lastly, the magnitude of ATC restrictions on the scale of UAM operations is evaluated in the 34 largest U.S. metropolitan areas.
The degree to which ATC may constrain UAM scale is found to vary widely between these metropolitan areas potentially inhibiting service to over 75% of the population in the most restricted city but less than 15% in the least restricted city. The development of airspace cutouts for VFR UAM operations reduces this variation and increases population coverage from 65% to 80% in the median U.S. metropolitan area.
by Parker D. Vascik.
Ph. D.
Ph.D. Massachusetts Institute of Technology, Department of Aeronautics and Astronautics
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Zanotti, Nicolas. "Analisi comparativa delle prestazioni per velivoli per Urban Air Mobility." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amslaurea.unibo.it/25520/.

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In questa tesi si è deciso di analizzare l'impatto che la Urban Air Mobility avrà su tutto il mercato aeronautico. Si sono presi in esame aspetti positivi e criticità dei velivoli tipici di questa modalità di trasporto. Si sono poi isolati due casi studio che sono per distacco i progetti più sofisticati e che, secondo l'analisi sommaria svolta, forniscono maggiori possibilità operative. E' fondamentale sottolineare che i dati presentati da questa tesi si basano, almeno in parte, su specifiche di progetto che le varie aziende intendono raggiungere e quindi ancora passabili di modifiche e/o aggiustamenti.
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Li, Zelin M. C. P. Massachusetts Institute of Technology. "Smartphone-based mobility mapping and Perceived Air Quality evaluation in Beijing." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104986.

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Thesis: M.C.P., Massachusetts Institute of Technology, Department of Urban Studies and Planning, 2016.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 117-119).
Recently, the rapid development of smartphone technologies has brought new opportunities for the citizen travel survey. Based on a survey performed using a smartphone app, Moves, in Beijing, China, this thesis discusses the survey design and implementation process as well as the mobility analysis methods. The survey was launched in January 2016. This thesis is based on data from 258 subjects. The air quality is monitored through several objective measures. However, citizens' subjective feelings have rarely been investigated. This thesis develops the Perceived Air Quality (PAQ) measure that captures the sensory reactions to air pollution. The PAQ data are collected through questionnaires, which are part of the travel survey. A strong correlation is found between daily average PAQ and AQI, indicating that the PAQ could become a meaningful indicator for air quality. However, the strong correlation only exists in the aggregated level. Finally, the thesis evaluates the association between travel behavior and air quality. Travel behavior is measured by number of trips, number of non-motorized trips, percentage of non-motorized trips, total distance traveled and total travel time. The air quality is measured by AQI and PAQ. The Random Effect regression models show that the association between travel behavior and air quality is pretty weak. It indicates that currently not many Beijing residents are taking air quality as a crucial factor when making travel decisions.
by Zelin Li.
M.C.P.
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Brunelli, Matteo. "Nuovi scenari di trasporto: la sfida dell'Urban Air Mobility." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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Il sempre maggiore interesse per l’Urban Air Mobility (UAM), una modalità di trasporto innovativa che si basa sull’utilizzo di velivoli senza pilota capaci di trasportare merci o persone, è giustificato dal fatto che, operando nel lower space, questi servizi, potrebbero comportare una cospicua diminuzione dei tempi di viaggio all’interno di contesti urbani molto congestionati. Allo stato attuale, esistono ancora pochi studi in letteratura riguardo ai molteplici aspetti che occorre considerare per valutare l’opportunità di introdurre servizi UAM in contesti urbani. Elementi come la localizzazione e gli spostamenti di accesso ed egresso da e verso i vertiporti, la sicurezza delle operazioni di volo, la domanda attesa e l’intermodalità con il sistema di trasporto terrestre sono temi fondamentali da indagare per lo sviluppo di questi servizi. Il seguente lavoro di tesi si è quindi concentrato sull’analisi critica di studi e simulazioni presenti in letteratura riguardo ai temi appena esposti allo scopo di individuare gli elementi chiave da utilizzare per poter identificare un possibile scenario UAM in un contesto italiano. Sulla base dei risultati di questa analisi, è stato sviluppato uno studio dettagliato riguardo alla possibilità, utilizzando servizi UAM, di inserire un collegamento tra l’aeroporto G. Marconi e l’area metropolitana della città di Bologna, incluse alcune delle principali città ricadenti nel bacino di attrazione aeroportuale. Dall’analisi effettuata è emerso come indicatori socioeconomici quali il reddito medio e la densità abitativa, ma anche altre variabili come il tempo di viaggio per gli spostamenti di accesso ed egresso all’aeroporto e l’ubicazione dei vertiporti siano rilevanti per individuare in quali dei contesti considerati nel caso test italiano sia più conveniente inserire questo tipo di servizi. Dalle analisi svolte emerge che solo alcune realtà analizzate sono adatte ad accogliere e favorire un possibile sviluppo di servizi UAM.
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Ågren, Tove. "Turbulence Modeling in Urban Air Mobility Applications : Modellering av en avstämbar laser med smal linjebredd." Thesis, KTH, Skolan för teknikvetenskap (SCI), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-276424.

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A proof-of-concept turbulence modeling approach for rotorcraft in low-altitude, low-speed conditions based on parametric Control Equivalent Turbulence Input (CETI) models was developed. In its original form, CETI-model outputs are disturbance control inputs to replicate the vehicle motion response as if it was operating in turbulent conditions. Consequently, a CETI-model is directly tied to a specific vehicle, and model extraction requires flight data in turbulent conditions. The purpose of the new model was to find Atmospheric Disturbance Equivalent (ADE) inputs that would be applicable to all rotorcraft. The equivalent turbulence components were obtained through linear combinations of the control signals generated through white-noise driven transfer functions that constitute the original CETI-model. \\ A preliminary evaluation of the proposed modeling approach was conducted by simulating turbulence vehicle response in low-altitude, low-speed conditions. The considered vehicle was a NASA reference concept aircraft designed for Urban Air Mobility applications, namely a 1-passenger electric quadrotor using collective controls. The results were compared to those generated through conventional theoretical turbulence models, i.e the Von Karman model. \\ Preliminary results showed promising implications that an empirical atmospheric turbulence model with the proposed approach is feasible. Computed Atmospheric Disturbance Equivalent turbulence components generated vehicle response consistent with the original CETI-model in the vehicle linear axes. Vehicle response in angular rates showed less consistency. The NASA Quadrotor vehicle response showed over-all validating resemblance between the new CETI-ADE model and the existing von Karman model, but with observable differences that legitimated the development of a new model. To meet the final objectives, the new model needs to be refined and validated further by pilot evaluation.
En konceptuell metod för att modellera turbulens för rotordrivna fordon i urbana flygförhållanden utvecklades. Metoden baserades på existerande parametriska Control Equivalent Turbulence Input (CETI) modeller. I sin ursprungliga form utgörs CETI-modellens utsignal av styrsignaler med syfte att replikera fordonets rörelserespons som om det opererade i turbulenta förhållanden. Följaktligen så är en CETI-modell direkt bunden till ett specifikt fordon och att extrahera en modell kräver tillgång till relevant flygdata i turbulens. Syftet med den nya modellen var att finna ADE (Atmospheric Disturbance Equivalent)-utsignaler som vore tillämpbara till en bredare klass av rotordrivna fordon. De ekvivalenta komponenterna för ett turbulent hastighetsfält erhölls genom linjärkombinationer av utdata från en CETI-modell. Utdatan genererades genom att filtrera vitt gaussiskt brus genom överföringsfunktionerna som utgör den ursprungliga CETI-modellen. En preliminär utvärdering av den föreslagna modelleringsmetoden utfördes genom att simulera rörelsesvaret hos ett multi-rotorfordon under låghöjd och låghastighetsförhållanden. Det betraktade fordonet var ett NASA-referensfordon designat för tillämpningar inom Urban Air Mobility, specifikt en elektrisk quadrotor för en passagerare. Som referensram jämfördes resultaten med de som genererades genom konventionella teoretiska turbulensmodeller, här Von Karman-modellen. De preliminära resultaten visar lovande indikationer att en empirisk turbulensmodell med den föreslagna metoden är gångbar. För att uppfylla de slutliga målen bör modellen förfinas och valideras ytterligare genom pilotutvärdering.
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Rohlik, Lucas, and Sebastian Stasch. "Analyzing the acceptance of Air Taxis from a potential user perspective : Extending the Technology Acceptance Model towards an Urban Air Mobility Acceptance Model (UAMAM)." Thesis, Högskolan i Jönköping, Internationella Handelshögskolan, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-43927.

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Background: A continuously growing urban population leads to congested urban areas. As a result, people are wasting time being stuck in traffic. One way of solving this problem is to use the air for moving people. Thus, companies all over the globe are working extensively on approaches for Urban Air Mobility such as air taxis. Purpose: The purpose of this thesis is the identification of key determinants influencing the acceptance of air taxis from a potential user perspective. Thereby, the thesis develops the Urban Air Mobility Acceptance Model (UAMAM) as an extension of the Technology Acceptance Model (TAM). Method: An explanatory online survey was conducted to test the hypotheses in the proposed UAMAM. Data from 321 respondents living in cities larger than one million inhabitants representing the potential target group was collected. Partial Least Squares Structural Equation Modeling (PLS SEM) was used to assess the measurement model in terms of validity and reliability and the structural model in terms of hypotheses testing and strength of relationships between proposed variables. Further, a multigroup analysis has been examined to identify significant differences among groups. Conclusion: The results show that the attitude, which is strongly influenced by the perceived usefulness, as well as subjective norm, travel cost and the personal innovativeness are key determinants affecting the users’ behavioral intention to use air taxis. Further, moderating effects of age on the relation between time saving and behavioral intention as well as on the relation between personal innovativeness and behavioral intention were identified. Additionally, moderating effects of occupational status on the relation between travel cost and behavioral intention were found.
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Rodríguez, Rey Daniel. "Evaluating the impact of urban mobility policies on the air quality levels of Barcelona by means of an integrated modelling system." Doctoral thesis, Universitat Politècnica de Catalunya, 2022. http://hdl.handle.net/10803/674001.

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Persistent high levels of NO2 have severe health effects on population. These are often found in large urban conurbations with high vehicle densities. In Barcelona, with one of the highest vehicle densities in Europe, the two traffic air quality monitoring stations are continuously exceeding the limit values established by the 2008/50/EC Ambient Air Quality Directive. To reduce traffic emissions and associated air pollution levels, Barcelona is applying a series of traffic restrictions that attempt to renew and reduce the amount of circulating vehicles within the city. These include the reduction of private vehicle space in specific areas or urban corridors of the city (superblocks and tactical urbanism) and the implementation of a Low Emission Zone (LEZ) that restricts the entrance of most polluting vehicles in the city. In order to quantify and evaluate the level of effectiveness of the applied restrictions, air quality modelling is presented as a necessary tool to complement the information provided by the air quality monitoring stations. In this sense, the present thesis evaluates the impact that the different restrictions have on the resulting NOx emissions and NO2 concentration levels in Barcelona. To accomplish that, we developed an integrated air quality system composed by the VISUM traffic simulator, the emission model HERMESv3 and the street-scale dispersion model CALIOPE-Urban, which integrates the mesoscale CALIOPE air quality forecast system and the Gaussian dispersion model R-LINE. The thesis first explains the coupling, calibration and validation process of the traffic-emission system. This is followed by an emission sensitivity analysis of typically high uncertainty emission features such as different approaches in regard of vehicle fleet composition, public bus transport implementation, temperature effect or the application of non-exhaust PM sources. We also explore the limitations of the developed macroscopic system by comparing it with a microscopic -highly detailed- approach composed by the microscopic traffic simulator Aimsun Next and the PHEMLight vehicle emission model. Finally, we explain the coupling of the traffic-emission system with the mesoscale CALIOPE and street-scale CALIOPE-Urban air quality systems. In this study, we apply the traffic restrictions previously mentioned in Barcelona to observe their effects in traffic routing, traffic emissions and resulting air quality levels at a resolution of 20 meters. Our results show that the only measures with an overall reduction on NOx emissions are the ones considering the LEZ or a reduction on the traffic demand of -25%. The combination of all strategies with the demand reduction shows the highest NOx emission decrease (-30%) while if traffic demand is kept constant, the computed NOx reductions are of -13%. The strategies limited to restrict the vehicle space on the city show a negligible impact on the overall traffic emissions (+0.1%), although they generate important street-level emission gradients, up to +/-17% in NOx. The impact on NO2 air quality levels follows the same pattern as for emissions. The scenarios comprising the LEZ and the -25% demand reduction show the highest NO2 reductions (-5 to -10 and -10 to -20 ug/m3 in daily average NO2 concentration values). The unique application of traffic measures limiting the vehicle space show limited impacts of +/-5 ug/m3 due to traffic re-routing, as previously commented. Considering the obtained results, the reductions achieved are insufficient to ensure compliant air quality levels, and are very far from reaching the new WHO air quality guideline values. The applied restrictions must be accompanied by a larger decrease in the total number of circulating vehicles throughout the city which could be achieved, for instance, by the application of a congestion charge, or the implementation of local zero emission zones similar to the ones that are currently being deployed in the city of London.
La persistente acumulación de altos valores de NO2 presenta serios problemas de salud. Esto ocurre con frecuencia en grandes zonas urbanas con altas densidades de tráfico. En Barcelona, con una de las mayores densidades de vehículos de Europa, las dos estaciones monitoreo de calidad del aire de tráfico exceden de forma continuada los valores limite establecidos por la 2008/50/EC Ambient Air Quality Directive. Para reducir las emisiones de tráfico Barcelona esta aplicando una serie de restricciones al tráfico con el propósito de renovar y reducir la cantidad de vehículos circulante. Estas medidas incluyen la reducción de espacio al vehículo privado en áreas específicas o en corredores de la ciudad (Supermanzanas o urbanismo táctico) y la implementación de una Zona de Bajas Emisiones (ZBE) que restringe la entrada a los vehículos mas contaminantes. Para cuantificar y evaluar el nivel de eficacia de las restricciones mencionadas, la modelización de calidad del aire se presenta como una herramienta necesaria para complementar la información dada por las estaciones de monitoreo de calidad del aire. Esta tesis evalúa el impacto que las diferentes restricciones tienen en los valores de emisión de NOx y de concentración de NO2 en Barcelona. Para ello, hemos desarrollado un sistema de calidad del aire compuesto por el simulador de tráfico VISUM, el modelo de emisiones HERMESv3 y el modelo de dispersión urbana CALIOPE-Urban, que integra el sistema mesoescalar de calidad del aire CALIOPE y el sistema Gaussiano de dispersión R-LINE. En la tesis se detalla el acoplamiento y el proceso de calibración y validación del sistema de tráfico-emisiones. A continuación, se realiza un estudio de sensibilidad valorando diferentes aproximaciones de variables de alta incertidumbre para la estimación de emisiones tales como la composición vehicular, la implementación del transporte público, el efecto de la temperatura o la consideración de fuentes PM no provenientes del gas de escape. También exploramos las limitaciones del sistema macroscópico desarrollado comparándolo con un sistema de alto detalle compuesto por el simulador micro Aimsun Next y el modelo de emisiones vehiculares PHEMLight. Finalmente, explicamos el acoplamiento del sistema tráfico-emisiones con el sistema de calidad del aire mesoescalar CALIOPE y el urbano CALIOPE-Urban que usamos para evaluar las restricciones de tráfico antes mencionadas en Barcelona y observar sus efectos en las rutas de tráfico, emisiones y concentración a una resolución de 20 metros. Los resultados muestran que las únicas medidas con una reducción global de emisiones NOx son las que consideran la ZBE o una reducción de demanda del -25%. La combinación de todas las estrategias con la reducción de demanda muestra las mayores reducciones en NOx (-30%) mientras que si la demanda se mantiene constante las reducciones observadas son del -13%. Las estrategias que se limitan a restringir el espacio del vehículo muestran reducciones negligibles (+0.1%), aunque generan importantes gradientes a nivel de calle que pueden llegar al +/-17% en NOx. El impacto en los valores de concentración de NO2 sigue los mismos patrones que las emisiones. Los escenarios que comprenden la ZBE y la reducción de demanda del -25% muestran las mayores reducciones (-5 a -10 y -10 a -20 ug/m3 de NO2). La consideración de las medidas que únicamente limitan el espacio al vehículo muestran reducciones de NO2 de +/-5 ug/m3 debido a la redistribución de rutas de tráfico. Concluimos que las reducciones obtenidas son insuficientes para asegurar valores de calidad del aire conforme a los límites de la UE, y están muy lejos de llegar a los nuevos valores guía de la OMS. Las restricciones aplicadas deben ir acompañadas por un mayor descenso del total de vehículos circulantes que podría conseguirse, por ejemplo, mediante la aplicación de un peaje de congestión o la implementación de zonas de cero emisiones, similares a las que se están desplegando actualmente en la ciudad de Londres
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Multerer, Thomas [Verfasser], Martin [Akademischer Betreuer] Vossiek, and Georg [Gutachter] Fischer. "Development of a spectrum-efficient OFDM MIMO radar for future urban air mobility applications / Thomas Multerer ; Gutachter: Georg Fischer ; Betreuer: Martin Vossiek." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2020. http://d-nb.info/1215343213/34.

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Books on the topic "Urban Air Mobility (UAM)"

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Office, General Accounting. Traffic congestion: Federal efforts to improve mobility : report to the chairman, Subcommittee on Transportation and Related Agencies, Committee on Appropriations, U.S. Senate. Washington, D.C: The Office, 1989.

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Administration, National Aeronauti Space, House Of Representatives, and U. S. Congress. Urban Air Mobility (Uam) - Are Flying Cars Ready for Take-Off? Benefits and Challenges of Personal, Autonomous Vertical Take-off and Landing Aircraft by Firms Including Uber, Bell, and Terrafugia. Independently Published, 2019.

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Kwon, Hyojin, Eunu Kim, Gavin Ruedisueli, and Andrew Witt. Atlas of Urban Air Mobility. Laboratory for Design Technologies, Harvard University, 2022.

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Casalino, Damiano. Propeller and Rotor Aeroacoustics for Urban Air Mobility Applications. Elsevier Science & Technology Books, 2020.

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Book chapters on the topic "Urban Air Mobility (UAM)"

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Babu, M. Naga Praveen, Sidvik Basa, Prasanth Kumar Duba, and P. Rajalakshmi. "Future Mobility with eVTOL Personal Air Vehicle (PAV): Urban Air Mobility (UAM) Concept." In Lecture Notes in Electrical Engineering, 323–37. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1742-4_27.

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Babu, M. Naga Praveen, Sidvik Basa, Prasanth Kumar Duba, and P. Rajalakshmi. "Future Mobility with eVTOL Personal Air Vehicle (PAV): Urban Air Mobility (UAM) Concept." In Lecture Notes in Electrical Engineering, 323–37. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1742-4_27.

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Cureton, Paul. "Urban air mobility." In Drone Futures, 108–47. Abingdon, Oxon ; New York, NY : Routledge, 2020.: Routledge, 2020. http://dx.doi.org/10.4324/9781351212991-4.

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Hamadi, Youssef. "Optimization for Urban Air Mobility." In Lecture Notes in Computer Science, 1–8. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53552-0_1.

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Mattiot, F. Polla, C. Gariazzo, P. Buttini, G. Carizi, A. Levy, and E. Rebesco. "Ozone Episode in the Milan Metropolitan Area: A Comparative Evaluation of UAM-V and CALGRID Models." In Urban Air Quality — Recent Advances, 471–86. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0312-4_34.

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Bharadwaj, Suda, Steven Carr, Natasha Neogi, Hasan Poonawala, Alejandro Barberia Chueca, and Ufuk Topcu. "Traffic Management for Urban Air Mobility." In Lecture Notes in Computer Science, 71–87. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20652-9_5.

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Rowedder, Carsten. "Urban Air Mobility—Challenges and Opportunities for Air Taxis." In Proceedings, 95. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-59825-2_12.

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Gregory, Irene M., Newton H. Campbell, Natasha A. Neogi, Jon B. Holbrook, Jared A. Grauer, Barton J. Bacon, Patrick C. Murphy, et al. "Intelligent Contingency Management for Urban Air Mobility." In Lecture Notes in Computer Science, 22–26. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-61725-7_5.

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Rowedder, Carsten. "Urban Air Mobility – Herausforderungen und Chancen für Lufttaxis." In Proceedings, 49–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-59825-2_6.

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Gillis, Dominique, Massimiliano Petri, Antonio Pratelli, Ivana Semanjski, and Silvio Semanjski. "Urban Air Mobility: A State of Art Analysis." In Computational Science and Its Applications – ICCSA 2021, 411–25. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-86960-1_29.

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Conference papers on the topic "Urban Air Mobility (UAM)"

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Reiche, C., C. McGillen, J. Siegel, and F. Brody. "Are We Ready to Weather Urban Air Mobility (UAM)?" In 2019 Integrated Communications, Navigation and Surveillance Conference (ICNS). IEEE, 2019. http://dx.doi.org/10.1109/icnsurv.2019.8735297.

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Olivares, Gerardo, Domenic Barsotti, Paul Hooijdonk, Luis Gomez, Vincent Robinson, and Michiel Unger. "Integrated Occupant Safety for Urban Air Mobility Applications." In Vertical Flight Society 77th Annual Forum & Technology Display. The Vertical Flight Society, 2021. http://dx.doi.org/10.4050/f-0077-2021-16755.

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Occupant Safety must be an integral part of the overall technical and management processes associated with the design, development, and operation of Urban Air Mobility (UAM) systems. Nowadays the crashworthiness design for aerospace applications under 14 CFR §§ *.561 and *.562 only address the dynamic response of the seat and restraint system during emergency landing conditions. In order to improve the survivability rate of occupants an integrated safety approach is required during the design, development, and operation of Urban Air Mobility (UAM) systems. In this paper, a typical Electric Vertical Take-Off and Landing (eVTOL) under two loading conditions as per 14 CFR §§ 27.727(a) and 27.562(b)(1) is evaluated. For this, a multibody model was developed and optimized using adaptive multivariable optimization algorithms. The results show that multibody and optimization tools in combination with robust design methodologies can significantly reduce the development and certification efforts for eVTOL vehicles.
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Vempati, Lakshmi, Maria Geffard, and Alfred Anderegg. "Assessing Human-Automation Role Challenges for Urban Air Mobility (UAM) Operations." In 2021 IEEE/AIAA 40th Digital Avionics Systems Conference (DASC). IEEE, 2021. http://dx.doi.org/10.1109/dasc52595.2021.9594358.

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Ferrell, Uma D., and Alfred H. Andy Anderegg. "Applicability of UL 4600 to Unmanned Aircraft Systems (UAS) and Urban Air Mobility (UAM)." In 2020 IEEE/AIAA 39th Digital Avionics Systems Conference (DASC). IEEE, 2020. http://dx.doi.org/10.1109/dasc50938.2020.9256608.

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"Urban Air Mobility (UAM) Regional Landing Site Feasibility and Fare Model Analysis." In 2019 Integrated Communications, Navigation and Surveillance Conference (ICNS). IEEE, 2019. http://dx.doi.org/10.1109/icnsurv.2019.8735190.

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Schuurman, Michiel J., Borrdephong Rattanagraikanakorn, Christos Kassapoglou, and Roeland De Breuker. "Urban air mobility (UAM) vehicle design considerations to facilitate future accident investigation." In AIAA Aviation 2019 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2019. http://dx.doi.org/10.2514/6.2019-3628.

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Ferrare, Felipe, Derick Baum, Jorge Almeida Júnior, João Camargo Júnior, and Paulo Cugnasca. "Urban Air Mobility (UAM): A Model Proposal based on Agents using Netlogo." In 11th International Conference on Simulation and Modeling Methodologies, Technologies and Applications. SCITEPRESS - Science and Technology Publications, 2021. http://dx.doi.org/10.5220/0010557203520359.

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Ferrare, Felipe, Derick Baum, Jorge Almeida Júnior, João Camargo Júnior, and Paulo Cugnasca. "Urban Air Mobility (UAM): A Model Proposal based on Agents using Netlogo." In 11th International Conference on Simulation and Modeling Methodologies, Technologies and Applications. SCITEPRESS - Science and Technology Publications, 2021. http://dx.doi.org/10.5220/0010557200002995.

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Tarafdar, Sayantan, Mihir Rimjha, Mia K. Li, Nicolas Hinze, Susan Hotle, Antonio Trani, Jeremy Smith, Samuel Dollyhigh, and Ty Marien. "Comparative Study of Urban Air Mobility (UAM) Landing Sites for Three Study Areas." In AIAA AVIATION 2021 FORUM. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2021. http://dx.doi.org/10.2514/6.2021-3210.

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Vempati, Lakshmi, Maria V. Geffard, and Andy Anderegg. "Challenges and Decisions for Near-term Integration of Urban Air Mobility (UAM) Operations." In AIAA AVIATION 2022 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2022. http://dx.doi.org/10.2514/6.2022-3402.

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Reports on the topic "Urban Air Mobility (UAM)"

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McQueen, Bob, ed. Unsettled Issues Concerning Urban Air Mobility Infrastructure. SAE International, November 2021. http://dx.doi.org/10.4271/epr2021025.

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Urban air mobility (UAM) refers to urban transportation systems that move people by air. UAM offers the potential for reducing traffic congestion in cities and providing an integrated approach to urban mobility. With the emergence of electric vertical takeoff and landing (eVTOL) aircraft, drone technology, and the possibility of automated aircraft, interest in this topic has grown considerably for private sector solution providers—including aerospace and technology companies—as well as urban planners and transportation professionals. Unsettled Issues Concerning Urban Air Mobility Infrastructure discusses the infrastructure requirements to effectively integrate UAM services into the overarching urban transportation system to enable multimodal trips and complete origin to destination travel.
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Zhang, Yangjun. Unsettled Topics Concerning Flying Cars for Urban Air Mobility. SAE International, May 2021. http://dx.doi.org/10.4271/epr2021011.

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Flying cars—as a new type of vehicle for urban air mobility (UAM)—have become an important development trend for the transborder integration of automotive and aeronautical technologies and industries. This article introduces the 100-year history of flying cars, examines the current research status for UAM air buses and air taxis, and discusses the future development trend of intelligent transportation and air-to-land amphibious vehicles. Unsettled Topics Concerning Flying Cars for Urban Air Mobility identifies the major bottlenecks and impediments confronting the development of flying cars, such as high power density electric propulsion, high lift-to-drag ratio and lightweight body structures, and low-altitude intelligent flight. Furthermore, it proposes three phased goals and visions for the development of flying cars in China, suggesting the development of a flying vehicle technology innovation system that integrates automotive and aeronautic industries.
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McQueen, Bob. Unsettled Issues in Advanced Air Mobility Certification. SAE International, June 2021. http://dx.doi.org/10.4271/epr2021014.

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Advanced air mobility (AAM) refers to urban transportation systems that move people and goods by air. This has significant implications for reducing traffic congestion in cities and for providing an integrated approach to urban mobility. With the emergence of drone technology and the possibility of more autonomous aircraft, interest has grown considerably in AAM. Unsettled Issues in Advanced Air Mobility Certification discusses the impact of AAM on private sector solution providers including aerospace and technology companies and goes into solutions for urban planners and transportation professionals for better integration across all AAM modes.
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Bedoya-Maya, Felipe, Agustina Calatayud, and Vileydy Gonzalez-Mejia. Estimating the effect of urban road congestion on air quality in Latin America. Inter-American Development Bank, October 2022. http://dx.doi.org/10.18235/0004512.

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Road congestion and air pollution are key challenges for quality of life in urban settings. This research leverages highly disaggregated crowdsourced data from Latin America to study the effect of road congestion on levels of carbon monoxide, nitrogen dioxide, and particulate matter in four of the most congested cities in developing countries: Bogota, Buenos Aires, Mexico City, and Santiago. Based on a panel data econometric approach with over 4.4 billion records from Waze and hourly data from 54 air monitoring stations for 2019, our two-stage least square model shows a cumulative increase of 0.6% in response to a 1% of road congestion on the three air pollutants. Moreover, we find a nonlinear relationship between road congestion and air quality and estimate the threshold above which the effect decays. This study provides evidence that supports public policies designed to make urban mobility more sustainable by implementing measures to reduce road congestion in developing contexts.
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Roa, Julia, and Joseph Oldham. Feasibility Study of Regional Air Mobility Services for High Priority Transportation in the San Joaquin Valley. Mineta Transportation Institute, May 2022. http://dx.doi.org/10.31979/mti.2022.2129.

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Regional Air Mobility (RAM) focuses on building upon existing airport infrastructure to transport people and goods using innovative aircraft that offer a huge improvement in efficiency, affordability, and community-friendly integration over existing regional transportation options. These aircraft, which typically carry less than 20 passengers or an equivalent weight in cargo, are flexible in terms of where they can take off and land, even using existing runways and infrastructure to maximize compatibility with today’s airports. This project examines the feasibility of RAM supporting high-speed transportation for high-priority passenger and cargo movement within Fresno County and connection to coastal urban centers. Some examples of high-priority passengers and cargo could include, but would not be limited to, medical patients needing specialized and/or emergency treatment, organ transport, and critical medical supply deliveries. Electrification of aviation is happening, and Fresno County has the potential to combine our existing closely spaced underutilized airport infrastructure, early demonstration, and experience with electric aircraft, renewable energy opportunities, central location within the state, and the need to open the door for new industry opportunities for youth to take advantage of this “Third Revolution” in aviation.
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Idrissov, Marat, Yelena Yerzakovich, Hans-Liudger Dienel, and Tom Assmann. Sustainable mobility and logistics for Central Asia: Research perspectives for a climate center. Kazakh German University, 2022. http://dx.doi.org/10.29258/cnrswps/2022/1-20.eng.

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Urban transportation is on the one hand a vital component of a city and on the other a major factor of concern. The latter is due to the high impact on air pollution, carbon dioxide emissions, and fatalities. This is not just caused by the mobility of people but also, and increasingly, by the need to transport goods. Cities in Central Asia are often associated with strong air pollution and rising greenhouse gas emissions from urban transport contradicting the global strive for a carbon-neutral world by 2050. In the light of sustainable development, it is, therefore, the objective to reduce the externalities of urban mobility and urban logistics jointly. The German-Kazakh University in Almaty envisions fostering the transformation to sustainability in Central Asia by setting up a climate center. One pillar will be urban transport. In this working paper, an interdisciplinary team of experts from Kazakhstan and Germany investigates fields of action and research for this center. The team describes stakeholders to involve, potential funding opportunities, and first actions for each of the identified fields. The working paper provides a fruitful basis for academics and partners to set up the center and to involve new partners.
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Idrissov, Marat, Yelena Yerzakovich, Hans-Liudger Dienel, and Tom Assmann. Sustainable mobility and logistics for Central Asia: Research perspectives for a climate center. Kazakh German University, 2022. http://dx.doi.org/10.29258/cnrswps/2022/1-20.eng.

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Urban transportation is on the one hand a vital component of a city and on the other a major factor of concern. The latter is due to the high impact on air pollution, carbon dioxide emissions, and fatalities. This is not just caused by the mobility of people but also, and increasingly, by the need to transport goods. Cities in Central Asia are often associated with strong air pollution and rising greenhouse gas emissions from urban transport contradicting the global strive for a carbon-neutral world by 2050. In the light of sustainable development, it is, therefore, the objective to reduce the externalities of urban mobility and urban logistics jointly. The German-Kazakh University in Almaty envisions fostering the transformation to sustainability in Central Asia by setting up a climate center. One pillar will be urban transport. In this working paper, an interdisciplinary team of experts from Kazakhstan and Germany investigates fields of action and research for this center. The team describes stakeholders to involve, potential funding opportunities, and first actions for each of the identified fields. The working paper provides a fruitful basis for academics and partners to set up the center and to involve new partners.
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Kodupuganti, Swapneel R., Sonu Mathew, and Srinivas S. Pulugurtha. Modeling Operational Performance of Urban Roads with Heterogeneous Traffic Conditions. Mineta Transportation Institute, January 2021. http://dx.doi.org/10.31979/mti.2021.1802.

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The rapid growth in population and related demand for travel during the past few decades has had a catalytic effect on traffic congestion, air quality, and safety in many urban areas. Transportation managers and planners have planned for new facilities to cater to the needs of users of alternative modes of transportation (e.g., public transportation, walking, and bicycling) over the next decade. However, there are no widely accepted methods, nor there is enough evidence to justify whether such plans are instrumental in improving mobility of the transportation system. Therefore, this project researches the operational performance of urban roads with heterogeneous traffic conditions to improve the mobility and reliability of people and goods. A 4-mile stretch of the Blue Line light rail transit (LRT) extension, which connects Old Concord Rd and the University of North Carolina at Charlotte’s main campus on N Tryon St in Charlotte, North Carolina, was considered for travel time reliability analysis. The influence of crosswalks, sidewalks, trails, greenways, on-street bicycle lanes, bus/LRT routes and stops/stations, and street network characteristics on travel time reliability were comprehensively considered from a multimodal perspective. Likewise, a 2.5-mile-long section of the Blue Line LRT extension, which connects University City Blvd and Mallard Creek Church Rd on N Tryon St in Charlotte, North Carolina, was considered for simulation-based operational analysis. Vissim traffic simulation software was used to compute and compare delay, queue length, and maximum queue length at nine intersections to evaluate the influence of vehicles, LRT, pedestrians, and bicyclists, individually and/or combined. The statistical significance of variations in travel time reliability were particularly less in the case of links on N Tryon St with the Blue Line LRT extension. However, a decrease in travel time reliability on some links was observed on the parallel route (I-85) and cross-streets. While a decrease in vehicle delay on northbound and southbound approaches of N Tryon St was observed in most cases after the LRT is in operation, the cross-streets of N Tryon St incurred a relatively higher increase in delay after the LRT is in operation. The current pedestrian and bicycling activity levels seemed insignificant to have an influence on vehicle delay at intersections. The methodological approaches from this research can be used to assess the performance of a transportation facility and identify remedial solutions from a multimodal perspective.
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Cook, Stephen, and Loyd Hook. Developmental Pillars of Increased Autonomy for Aircraft Systems. ASTM International, January 2020. http://dx.doi.org/10.1520/tr2-eb.

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Increased automation for aircraft systems holds the promise to increase safety, precision, and availability for manned and unmanned aircraft. Specifically, established aviation segments, such as general aviation and light sport, could utilize increased automation to make significant progress towards solving safety and piloting difficulties that have plagued them for some time. Further, many emerging market segments, such as urban air mobility and small unmanned (e.g., small parcel delivery with drones) have a strong financial incentive to develop increased automation to relieve the pilot workload, and/or replace in-the-loop pilots for most situations. Before these advances can safely be made, automation technology must be shown to be reliable, available, accurate, and correct within acceptable limits based on the level of risk these functions may create. However since inclusion of these types of systems is largely unprecedented at this level of aviation, what constitutes these required traits (and at what level they must be proven to) requires development as well. Progress in this domain will likely be captured and disseminated in the form of best practices and technical standards created with collaboration from regulatory and industry groups. This work intends to inform those standards producers, along with the system designers, with the goal of facilitating growth in aviation systems toward safe, methodical, and robust inclusion of these new technologies. Produced by members of the manned and unmanned small aircraft community, represented by ASTM task group AC 377, this work strives to suggest and describe certain fundamental principles, or “pillars”, of complex aviation systems development, which are applicable to the design and architectural development of increased automation for aviation systems.
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