Collaborative Research: Visual Analytics for Creation of Value Functions in Complex Systems Design Under Uncertainty

协作研究:不确定性下复杂系统设计中价值函数创建的可视化分析

基本信息

  • 批准号:
    1436236
  • 负责人:
  • 金额:
    $ 18.48万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2014
  • 资助国家:
    美国
  • 起止时间:
    2014-08-01 至 2017-07-31
  • 项目状态:
    已结题

项目摘要

Value-driven design represents a new way of designing large scale complex engineered systems, such as those found in automobile, aerospace, and energy industries. In value-driven design, a value function is created that captures the preferences of the stakeholders. The value function comprises all the attributes that are important for the system being designed, such as weight, performance characteristics, and manufacturing concerns, amongst others. The value function is then used by all the participants in the design process to aid in their decision making, so that all participants use the same basis for their design decisions. This is extremely different from the present systems engineering process in which requirements are used to force design decisions among subsystems and components, leading to suboptimal designs. The creation of a value function, however, is very challenging for complex systems, particularly in light of the uncertainties that exist in the design variables, attributes, and ultimately, the value of the system itself. This award supports fundamental research to provide needed knowledge for the creation of value functions when designing complex systems under uncertainty. A key component of this research focuses on enabling the easy understanding of the complex relationships between design variables, attributes, and value functions using visualization tools. Results from this research will benefit the U.S. economy as well as the national defense, given the extensive reliance on large-scale systems by both military and commercial applications. This research is inherently multidisciplinary, not only providing a way to design in a multidisciplinary environment, but also through using multiple disciplines to address the fundamental issues related to value function creation for complex systems. The multidisciplinary nature of the research will lend itself to broadening participation of under-represented groups in this research.The value-driven design approach can overcome numerous limitations associated with present systems engineering processes. In the present systems engineering approach, requirements are developed in an attempt to capture the preferences of stakeholders. These requirements are then decomposed and passed to lower-level groups who then design subsystems and ultimately the components in the system. Problematically, these requirements over-restrict the design space, create difficulties in incorporating uncertainty, and provide little to no guidance in terms of what is actually desired by the stakeholders. While value-driven design has the potential to overcome these barriers, knowledge gaps exist. This research will address the knowledge gap related to formation of the value function under uncertainty. The research team will identify the impact of uncertainty in design variables and attributes on value functions. The team will develop a structured approach for forming a value function to ensure appropriate rank ordering of alternative solutions according to the preference of the stakeholder. The impact of risk preference (i.e., risk seeking, risk neutral, and risk averse) will be explored to determine relationships between risk preference and value-function formation. Visualization tools will be developed to aid in the understanding of relationships between attributes and the value function and to provide designers with decision aids for using value functions. The research team will also work with industrial partners to validate the methods and tools developed.
价值驱动设计代表了一种设计大规模复杂工程系统的新方法,例如汽车、航空航天和能源行业中的系统。在价值驱动设计中,创建了一个价值函数来捕获利益相关者的偏好。价值函数包含对所设计的系统重要的所有属性,例如重量、性能特征和制造问题等。然后,设计过程中的所有参与者都会使用价值函数来帮助他们做出决策,以便所有参与者都使用相同的基础来进行设计决策。这与当前的系统工程过程截然不同,在当前的系统工程过程中,使用需求来强制子系统和组件之间的设计决策,从而导致次优设计。然而,对于复杂系统来说,价值函数的创建非常具有挑战性,特别是考虑到设计变量、属性以及最终系统本身的价值中存在的不确定性。该奖项支持基础研究,为在不确定性下设计复杂系统时创建价值函数提供所需的知识。这项研究的一个关键组成部分侧重于使用可视化工具轻松理解设计变量、属性和值函数之间的复杂关系。鉴于军事和商业应用对大型系统的广泛依赖,这项研究的结果将有利于美国经济和国防。这项研究本质上是多学科的,不仅提供了一种在多学科环境中进行设计的方法,而且通过使用多个学科来解决与复杂系统的价值函数创建相关的基本问题。该研究的多学科性质将有利于扩大代表性不足的群体对这项研究的参与。价值驱动的设计方法可以克服与当前系统工程过程相关的众多限制。在当前的系统工程方法中,开发需求是为了尝试捕获利益相关者的偏好。然后,这些需求被分解并传递给较低级别​​的团队,然后由他们设计子系统并最终设计系统中的组件。问题是,这些要求过度限制了设计空间,给纳入不确定性带来了困难,并且几乎没有为利益相关者的实际期望提供任何指导。虽然价值驱动的设计有潜力克服这些障碍,但知识差距仍然存在。这项研究将解决与不确定性下价值函数形成相关的知识差距。研究团队将确定设计变量和属性的不确定性对价值函数的影响。该团队将开发一种结构化方法来形成价值函数,以确保根据利益相关者的偏好对替代解决方案进行适当的排序。将探讨风险偏好(即风险寻求、风险中性和风险厌恶)的影响,以确定风险偏好和价值函数形成之间的关系。将开发可视化工具来帮助理解属性和价值函数之间的关系,并为设计者提供使用价值函数的决策帮助。研究团队还将与工业合作伙伴合作,验证开发的方法和工具。

项目成果

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Timothy Simpson其他文献

TCT-125 Incidence and Outcomes of Cardiogenic Shock Among Women With Spontaneous Coronary Artery Dissection
  • DOI:
    10.1016/j.jacc.2021.09.975
  • 发表时间:
    2021-11-09
  • 期刊:
  • 影响因子:
  • 作者:
    Mohammed Osman;Moinuddin Syed;Timothy Simpson;Bhaskar Bhardwaj;Babikir Kheiri;Punag Divanji;Harsh Golwala;Firas Zahr;Joaquin Cigarroa
  • 通讯作者:
    Joaquin Cigarroa
An Introspective Overview of the Dynamics of Recurrent Events Data Analysis
周期性事件数据分析动态的内省概述
GENDER DISPARITY AMONGST TAVR OPERATORS IN THE UNITED STATES
  • DOI:
    10.1016/s0735-1097(21)02260-9
  • 发表时间:
    2021-05-11
  • 期刊:
  • 影响因子:
  • 作者:
    Timothy Simpson;Tamara Atkinson;Howard Song;Joaquin Cigarroa;Firas Zahr;Harsh Golwala
  • 通讯作者:
    Harsh Golwala
TCT-395 Nationwide Incidence and Trends of Left Atrial Occlusion Device Implantation Among Medicare Patients in the United States
  • DOI:
    10.1016/j.jacc.2022.08.464
  • 发表时间:
    2022-09-20
  • 期刊:
  • 影响因子:
  • 作者:
    Sarah Li;Timothy Simpson;Saket Sanghai;Charles Henrikson;Harsh Golwala
  • 通讯作者:
    Harsh Golwala
A DISJOINTED CAUSE OF SUDDEN ARRHYTHMIC DEATH
  • DOI:
    10.1016/s0735-1097(20)33852-3
  • 发表时间:
    2020-03-24
  • 期刊:
  • 影响因子:
  • 作者:
    Timothy Simpson;Kendra Coonse;Kris Kumar;Saket Sanghai;Ahmad Munir Masri;Babak Nazer;Punag Divanji
  • 通讯作者:
    Punag Divanji

Timothy Simpson的其他文献

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{{ truncateString('Timothy Simpson', 18)}}的其他基金

EAGER/Collaborative Research/Cybermanufacturing: Just Make It: Integrating Cybermanufacturing into Design Studios to Enable Innovation
EAGER/协作研究/网络制造:Just Make It:将网络制造集成到设计工作室以实现创新
  • 批准号:
    1547021
  • 财政年份:
    2015
  • 资助金额:
    $ 18.48万
  • 项目类别:
    Standard Grant
Collaborative Research/Workshop: Educational Needs and Opportunities in Additive Manufacturing; Arlington, Virginia; April 10-11, 2014
协作研究/研讨会:增材制造的教育需求和机会;
  • 批准号:
    1431566
  • 财政年份:
    2014
  • 资助金额:
    $ 18.48万
  • 项目类别:
    Standard Grant
Collaborative Research: Assessment of Product Archaeology as a Platform for Contextualizing Engineering Design
合作研究:产品考古学评估作为工程设计情境化平台
  • 批准号:
    1223674
  • 财政年份:
    2012
  • 资助金额:
    $ 18.48万
  • 项目类别:
    Standard Grant
Collaborative Research: Workshop: The Future of Multidisciplinary Design Optimization - Advancing the Design of Complex Systems, Fort Worth, Texas, September 16, 2010
协作研究:研讨会:多学科设计优化的未来 - 推进复杂系统的设计,德克萨斯州沃思堡,2010 年 9 月 16 日
  • 批准号:
    1042397
  • 财政年份:
    2010
  • 资助金额:
    $ 18.48万
  • 项目类别:
    Standard Grant
CCLI Phase II: Collaborative Research - Teaching the Global, Economic, Environmental, and Societal Foundations of Engineering Design through Product Archaeology
CCLI 第二阶段:合作研究 - 通过产品考古学教授工程设计的全球、经济、环境和社会基础
  • 批准号:
    0919724
  • 财政年份:
    2009
  • 资助金额:
    $ 18.48万
  • 项目类别:
    Standard Grant
Workshop: Interdisciplinary Graduate Design Programs; Arlington, Virginia; 29-30 May 2008
研讨会:跨学科研究生设计课程;
  • 批准号:
    0829557
  • 财政年份:
    2008
  • 资助金额:
    $ 18.48万
  • 项目类别:
    Standard Grant
Collaborative Research: EFFECTIVE: Exploring a Framework for Evaluating Courses on Technology in Various Environments
合作研究:有效:探索在不同环境下评估技术课程的框架
  • 批准号:
    0736604
  • 财政年份:
    2008
  • 资助金额:
    $ 18.48万
  • 项目类别:
    Standard Grant
Collaborative Research - NSF Workshop Series: Interdisciplinary Design as an Instructional Discipline
协作研究 - NSF 研讨会系列:作为教学学科的跨学科设计
  • 批准号:
    0847181
  • 财政年份:
    2008
  • 资助金额:
    $ 18.48万
  • 项目类别:
    Standard Grant
CI-TEAM Implementation Project: Collaborative Research - A National Engineering Dissection Cyber-Collaboratory
CI-TEAM实施项目:合作研究——国家工程解剖网络合作实验室
  • 批准号:
    0636273
  • 财政年份:
    2007
  • 资助金额:
    $ 18.48万
  • 项目类别:
    Standard Grant
CI-TEAM: Collaborative Research: Cyber-Infrastructure-Based Engineering Repositories for Undergraduates (CIBER-U)
CI-TEAM:协作研究:基于网络基础设施的本科生工程存储库 (CIBER-U)
  • 批准号:
    0537220
  • 财政年份:
    2006
  • 资助金额:
    $ 18.48万
  • 项目类别:
    Standard Grant

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