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A methodology for technology identification, evaluation, and selection in conceptual and preliminary aircraft design.

机译：在概念飞机和初步飞机设计中进行技术识别，评估和选择的方法。

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摘要

The changing global socio-economical and political environment is creating a paradigm shift in the aerospace industry. This paradigm shift calls for solutions that are beyond evolutionary databases and demands consideration of all aspects of the system's life cycle. The shift implies that a new means of evaluating the “goodness” of a system must be established and requires inclusion of three elements. The elements are as follows: consideration of the product life cycle in the early phases of design, new design methods to account for multiple criteria and uncertainty, and breakthrough technologies to meet aggressive performance and economic objectives of the future.; A new design method for complex systems was created as a response to the paradigm shift and was achieved with the use of statistical and probabilistic methods, including Response Surface Methods and Monte Carlo Simulations. The method accounts for the multi-criteria problem in the presence of design, operational, and technological uncertainty while allowing for the infusion and subsequent affordability assessment of immature technologies. The design method includes a forecasting environment whereby the decision-maker has the ability to easily assess and trade-off the impact of various technologies without sophisticated and time-consuming mathematical formulations. This objective was achieved by employing the use of Morphological analysis, forecasting analogies and techniques, and Multi-Attribute Decision Making techniques. Through the execution of the method, a family of design alternatives for a set of customer requirements can be identified and assessed subjectively or objectively. This method allows for increased knowledge, reduced committed costs and increased design freedom leverage to produce high quality and competitive cost systems in a systematic and comprehensive manner and is called the Technology Identification, Evaluation, and Selection, or TIES, method.; The TIES method was demonstrated on a High Speed Civil Transport concept. This vehicle was chosen as a benchmark for the method due to the technically challenging customer requirements and the need for revolutionary advances over present day technological capabilities to obtain feasible configurations. The TIES method established the need and the product specifications and identified the most suitable set of technologies to satisfy all customer requirements in a probabilistic design setting.
机译：不断变化的全球社会经济和政治环境正在导致航空航天业的范式转变。这种范式转换要求解决方案不只是进化数据库，而且还需要考虑系统生命周期的各个方面。这种转变意味着必须建立一种评估系统“良好”的新方法，并且需要包括三个要素。这些要素如下：在设计的早期阶段考虑产品生命周期，考虑多种标准和不确定性的新设计方法，以及满足未来积极性能和经济目标的突破性技术。创建了一种针对复杂系统的新设计方法，作为对范式转换的响应，并通过使用统计和概率方法（包括响应面方法和蒙特卡洛模拟）来实现。该方法在存在设计，操作和技术不确定性的情况下解决了多标准问题，同时允许对不成熟技术进行注入和随后的可承受性评估。设计方法包括一个预测环境，决策者无需复杂而费时的数学公式即可轻松评估和权衡各种技术的影响。通过使用形态分析，预测类比和技术以及多属性决策技术来实现此目标。通过执行该方法，可以主观或客观地确定和评估一组客户需求的设计备选方案系列。这种方法可以增加知识，减少承诺成本并提高设计自由度，从而有系统地，全面地生产高质量和具有竞争力的成本系统，该方法称为“技术识别，评估和选择”技术。 TIES方法在高速民用运输概念上得到了证明。由于技术上具有挑战性的客户需求以及需要获得当今技术能力的革命性进步以获得可行配置的选择，因此该车辆被选作该方法的基准。 TIES方法确定了需求和产品规格，并确定了最适合的技术集，以满足概率设计环境中的所有客户要求。

著录项

  • 作者

    Kirby, Michelle Rene.;

  • 作者单位

    Georgia Institute of Technology.;

  • 授予单位 Georgia Institute of Technology.;
  • 学科 Engineering Aerospace.
  • 学位 Ph.D.
  • 年度 2001
  • 页码 234 p.
  • 总页数 234
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 航空、航天技术的研究与探索;
  • 关键词

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