摘要 :
In this paper, we present details of a survey we designed to estimate air travelers' willingness to pay for electric vertical take-off and landing (eVTOL) flights in urban areas in the United States for the bias of traveling from ...
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In this paper, we present details of a survey we designed to estimate air travelers' willingness to pay for electric vertical take-off and landing (eVTOL) flights in urban areas in the United States for the bias of traveling from home to a commercial airport. The survey was administered from January 8 to June 14, 2021 and responses were obtained from 2,820 individuals who had taken at least two round-trips by air in 2019 (before COVID-19), had annual household incomes of at least $75K, and who resided in the Atlanta, Boston, Chicago, Dallas-Ft. Worth, New York City, San Francisco Bay Area, or Los Angeles combined statistical areas (CSAs). A stratified sample was used to ensure a minimum number of responses for different household income brackets, pre-COVID-19 air travel frequencies, and trip purposes (reimbursed business trips and self-paid leisure trips).
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摘要 :
In this paper, we present details of a survey we designed to estimate air travelers' willingness to pay for electric vertical take-off and landing (eVTOL) flights in urban areas in the United States for the bias of traveling from ...
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In this paper, we present details of a survey we designed to estimate air travelers' willingness to pay for electric vertical take-off and landing (eVTOL) flights in urban areas in the United States for the bias of traveling from home to a commercial airport. The survey was administered from January 8 to June 14, 2021 and responses were obtained from 2,820 individuals who had taken at least two round-trips by air in 2019 (before COVID-19), had annual household incomes of at least $75K, and who resided in the Atlanta, Boston, Chicago, Dallas-Ft. Worth, New York City, San Francisco Bay Area, or Los Angeles combined statistical areas (CSAs). A stratified sample was used to ensure a minimum number of responses for different household income brackets, pre-COVID-19 air travel frequencies, and trip purposes (reimbursed business trips and self-paid leisure trips).
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摘要 :
In this paper, we present details of a survey we designed to estimate air travelers' willingness to pay for electric vertical take-off and landing (eVTOL) flights in urban areas in the United States for the bias of traveling from ...
展开
In this paper, we present details of a survey we designed to estimate air travelers' willingness to pay for electric vertical take-off and landing (eVTOL) flights in urban areas in the United States for the bias of traveling from home to a commercial airport. The survey was administered from January 8 to June 14, 2021 and responses were obtained from 2,820 individuals who had taken at least two round-trips by air in 2019 (before COVID-19), had annual household incomes of at least $7SK, and who resided in the Atlanta, Boston, Chicago, Dallas-Ft. Worth, New York City, San Francisco Bay Area, or Los Angeles combined statistical areas (CSAs). A stratified sample was used to ensure a minimum number of responses for different household income brackets, pre-COVID-19 air travel frequencies, and trip purposes (reimbursed business trips and self-paid leisure trips).
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In this paper, we present details of a survey we designed to model competition among an electric air taxi service, autonomous ground vehicles, and traditional ground vehicles for an urban commuting context in the United States. Th...
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In this paper, we present details of a survey we designed to model competition among an electric air taxi service, autonomous ground vehicles, and traditional ground vehicles for an urban commuting context in the United States. The survey was administered from March 26 to May 10, 2019 and responses were obtained from 1,405 full-time workers with annual household incomes of at least $75K who reside and work in the Atlanta, Boston, Dallas-Ft. Worth, San Francisco Bay Area, or Los Angeles combined statistical areas (CSAs). The survey targeted individuals with average one-way commutes of 30 minutes or more and quotas were used to ensure a minimum number of responses were collected for different age groups and household income groups.
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摘要 :
In this paper, we present details of a survey we designed to model competition among an electric air taxi service, autonomous ground vehicles, and traditional ground vehicles for an urban commuting context in the United States. Th...
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In this paper, we present details of a survey we designed to model competition among an electric air taxi service, autonomous ground vehicles, and traditional ground vehicles for an urban commuting context in the United States. The survey was administered from March 26 to May 10, 2019 and responses were obtained from 1,405 full-time workers with annual household incomes of at least $75K who reside and work in the Atlanta, Boston, Dallas-Ft. Worth, San Francisco Bay Area, or Los Angeles combined statistical areas (CSAs). The survey targeted individuals with average one-way commutes of 30 minutes or more and quotas were used to ensure a minimum number of responses were collected for different age groups and household income groups.
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In this paper, we present details of a survey we will use to estimate commuters' willingness to pay for electric vertical take-off and landing (eVTOL) flights in urban areas in the United States. The survey started execution in Ap...
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In this paper, we present details of a survey we will use to estimate commuters' willingness to pay for electric vertical take-off and landing (eVTOL) flights in urban areas in the United States. The survey started execution in April 2018 and will continue execution through approximately June 2018. We will collect responses from approximately 2,500 high-income workers who reside and work in the Atlanta, Boston, Dallas-Ft. Worth, San Francisco Bay Area, or Los Angeles combined statistical areas (CSAs). The survey targets individuals with average one-way commutes of 45 minutes or more.
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摘要 :
In this paper, we present details of a survey we will use to estimate commuters' willingness to pay for electric vertical take-off and landing (eVTOL) flights in urban areas in the United States. The survey started execution in Ap...
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In this paper, we present details of a survey we will use to estimate commuters' willingness to pay for electric vertical take-off and landing (eVTOL) flights in urban areas in the United States. The survey started execution in April 2018 and will continue execution through approximately June 2018. We will collect responses from approximately 2,500 high-income workers who reside and work in the Atlanta, Boston, Dallas-Ft. Worth, San Francisco Bay Area, or Los Angeles combined statistical areas (CSAs). The survey targets individuals with average one-way commutes of 45 minutes or more.
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Design of a complex product such as an aircraft is a long, costly, inter-disciplinary process that often take many years. Thanks to the increase in computational capabilities, engineers rely on computer models to make predictions ...
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Design of a complex product such as an aircraft is a long, costly, inter-disciplinary process that often take many years. Thanks to the increase in computational capabilities, engineers rely on computer models to make predictions about the expected performance of a designed product. However, the degree to which computational tools abstract the actual problem and its implications are commonly overlooked. In the absence of prior experience or validation data, it is very difficult to estimate the gap between the tool predictions and actual performance. In this paper, a systematic framework based on established Systems Engineering methods is proposed to ensure the fitness-for-purpose of possible models, keep a track of simplifying assumptions and requirements, and make a selection. The framework includes the description of the problem ontology, and how it relates to requirements, functional and physical decompositions. Furthermore, a scenario where more than one modeling option may be appropriate is used to illustrate the implications of propagated uncertainty on mission-level metrics obtained from using two different workflows for the same problem.
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Model-based systems engineering (MBSE) is increasingly being used for the design and development of complex systems. An MBSE approach can create a cohesive model of the system architecture and integrate various aspects of the desi...
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Model-based systems engineering (MBSE) is increasingly being used for the design and development of complex systems. An MBSE approach can create a cohesive model of the system architecture and integrate various aspects of the design. A key component of formulating an MBSE approach is having the capability to specify and express fundamental concepts about the system, and a systems modeling language gives that capability. In the past, Systems Modeling Language (SysML) has been widely implemented as an enabler of MBSE. However, several limitations of SysML have become apparent over the years that could not be resolved through simple revisions alone, so SysML v2 is under development. The primary limitation of SysML that this paper will address is the lack of interactivity and interoperability, which limits the ability to perform multidisciplinary analysis using the SysML model as input. This limitation has been alleviated using software solutions with SysML; however, the solutions are not guaranteed work together. This paper will evaluate the new innovations of SysML v2 with the primary emphasis on the new standard API and sophisticated textual language for enhancing interactivity and interoperability, especially with analysis tools, and propose a framework for leveraging these new capabilities in the design of a novel, hydrogen-powered aircraft. Development of this framework enables the automatic capture of decision-making based on new analysis or changes in requirements to update the system model and creates a method for coupling MBSE and MDAO activities.
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摘要 :
Model-based systems engineering (MBSE) is increasingly being used for the design and development of complex systems. An MBSE approach can create a cohesive model of the system architecture and integrate various aspects of the desi...
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Model-based systems engineering (MBSE) is increasingly being used for the design and development of complex systems. An MBSE approach can create a cohesive model of the system architecture and integrate various aspects of the design. A key component of formulating an MBSE approach is having the capability to specify and express fundamental concepts about the system, and a systems modeling language gives that capability. In the past, Systems Modeling Language (SysML) has been widely implemented as an enabler of MBSE. However, several limitations of SysML have become apparent over the years that could not be resolved through simple revisions alone, so SysML v2 is under development. The primary limitation of SysML that this paper will address is the lack of interactivity and interoperability, which limits the ability to perform multidisciplinary analysis using the SysML model as input. This limitation has been alleviated using software solutions with SysML; however, the solutions are not guaranteed work together. This paper will evaluate the new innovations of SysML v2 with the primary emphasis on the new standard API and sophisticated textual language for enhancing interactivity and interoperability, especially with analysis tools, and propose a framework for leveraging these new capabilities in the design of a novel, hydrogen-powered aircraft. Development of this framework enables the automatic capture of decision-making based on new analysis or changes in requirements to update the system model and creates a method for coupling MBSE and MDAO activities.
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