Now showing items 151-170 of 193

    • Real-time transit passenger information: a case study in standards development 

      Reed, Landon T. (Georgia Institute of Technology, 2013-11-19)
      As the transportation sector fully integrates information technology, transit agencies face decisions that expose them to new technologies, relationships and risks. Accompanying a rise in transit-related web and mobile ...
    • Reduced Order Guidance Methods and Probabilistic Techniques in Addressing Mission Uncertainty 

      DeLaurentis, Daniel A.; Mavris, Dimitri N.; Calise, Anthony J.; Schrage, Daniel P. (Georgia Institute of Technology, 1996-09)
      Recognizing that vehicle synthesis fulfills the role of integrator of the mutually interacting disciplines, difficulties persist in intelligently implementing disciplinary analysis into this synthesis process. This paper ...
    • Robust Design for Aeroelastically Tailored/Active Aeroelastic Wing 

      Zink, Paul Scott; Mavris, Dimitri N.; Love, Michael H.; Karpel, Mordechay (Georgia Institute of Technology, 1998-09)
      A study of multidisciplinary design concerning the incorporation of aeroelastic tailoring, control surface blending, and active aeroelastic wing concepts is presented. The design process incorporates response surfaces, ...
    • Robust Design of a Creep Limited Gas Turbine Component Using the Taguchi Approach 

      Wallace, Jon Michael; Wojcik, Stephanie; Mavris, Dimitri N. (Georgia Institute of Technology, 2003-06)
      System quality and reliability are becoming increasingly more important for maintaining market place competitiveness and customer satisfaction. The objective of this paper is to demonstrate the application of the Taguchi ...
    • Robust Structural Design for Active Aeroelastic Wing with Aerodynamic Uncertainties 

      Zink, Paul Scott; Raveh, Daniella E.; Mavris, Dimitri N. (Georgia Institute of Technology, 2000-04)
      A multidisciplinary design study for Active Aeroelastic Wing technology considering the uncertainty in maneuver loads estimated by linear aerodynamic theory is presented. The study makes use of a design of experiments/response ...
    • The Role of Thermodynamic Work Potential in Aerospace Vehicle Design 

      Roth, Bryce Alexander (Georgia Institute of Technology, 2003)
      Thermodynamic performance is a prime consideration in the design of vehicles. This is because all vehicles operate by transforming the stored work potential contained in fuel into useful work. This work output is then ...
    • A Screening Method for Customizing Designs Around Non-Convergent Regions of Design Spaces 

      Frits, Andrew P.; Mavris, Dimitri N. (Georgia Institute of Technology, 2002-09)
      In engineering design, Response Surface Methodology is often used to explore a design space and to generate a meta-model of the space. Designs of Experiments are used in this process to obtain the most behavioral information ...
    • Simulating Mars on Earth: Georgia Tech's Crew 47 at the Mars Desert Research Station 

      Osburg, Jan; Colvin, Emily; Campeau, Anne; Mims, Meryl Christine; Rome, Jenny; Sherwin, Jason; Tang, Elizabeth; Lantoine, Gregory; Sharma, Jonathan (Georgia Institute of Technology, 2006)
    • Simulation-Based Parametric Reliability Modeling Using Covariate Theory 

      Wallace, Jon Michael; Mavris, Dimitri N. (Georgia Institute of Technology, 2003-11)
      Reliability analysis methods used for preliminary safety assessments of complex systems typically assume a predetermined and invariant set of input variable statistical properties. However, during the product development ...
    • Simultaneous Assessment of Requirements and Technologies in Rotorcraft Design 

      Mavris, Dimitri N.; Baker, Andrew Paul; Schrage, Daniel P. (Georgia Institute of Technology, 2000-05)
      Recent emphasis in the design and acquisition of complex systems has focused on the requirements that drive the design process. Most fundamental to the rotorcraft designer is the effect that requirements have on the system ...
    • Sonic Boom Minimization Using Improved Linearized Tools and Probabilistic Propagation 

      Rallabhandi, Sriram Kishore; Mavris, Dimitri N. (Georgia Institute of Technology, 2005-06-10)
      Sonic boom modelling is multidisciplinary involving aerodynamic and aero-acoustics analyses. The near field pressure signature is first obtained using either linearized or non-linear methods. This is then converted into a ...
    • A Spotlight Search Method for Multi-criteria Optimization Problems 

      Lewe, Jung-Ho (Georgia Institute of Technology, 2002-09)
      In many engineering applications including multidisciplinary optimization (MDO) problems, a decision maker often tends to evaluate and optimize multiple criteria at the same time to carry out a tradeoff study. Nevertheless, ...
    • A Stochastic Approach to Designing Affordable, Environmentally Acceptable Systems 

      Mavris, Dimitri N.; Roth, Bryce Alexander (Georgia Institute of Technology, 1999-01)
      The focus of the work being conducted under this grant is to create a virtual stochastic l environment that will enable designers to make decisions in the presence of uncertainty while considering all aspects relevant to ...
    • A Stochastic Approach to Designing Affordable, Environmentally Acceptable Systems 

      Roth, Bryce Alexander; Mavris, Dimitri N. (Georgia Institute of Technology, 2002-01)
      The objective of this paper is to give an overview of current research thrusts focused on meeting the challenges associated with designing complex systems. Such systems must be capable of simultaneously meeting future needs ...
    • A Stochastic Approach to Multi-disciplinary Aircraft Analysis and Design 

      Mavris, Dimitri N.; DeLaurentis, Daniel A.; Bandte, Oliver; Hale, Mark A. (Georgia Institute of Technology, 1998-01)
      Within the context of multi-disciplinary aircraft analysis and design, a new approach has been formulated and described which allows for the rapid technical feasibility and economic viability assessment of multi- attribute, ...
    • A Stochastic Design Approach for Aircraft Affordability 

      Mavris, Dimitri N.; DeLaurentis, Daniel A. (Georgia Institute of Technology, 1998-09)
      A novel approach to assessing aircraft system feasibility and viability over time is presented, with special emphasis on modeling and estimating the impact of new technologies. The approach is an integral part of an overall ...
    • System Reliability Assessment using Covariate Theory 

      Wallace, Jon Michael; Mavris, Dimitri N.; Schrage, Daniel P. (Georgia Institute of Technology, 2004-01)
      A method is demonstrated that utilizes covariate theory to generate a multi-response component failure distribution as a function of pertinent operational parameters. Where traditional covariate theory uses actual measured ...
    • System Synthesis in Preliminary Aircraft Design Using Statistical Methods 

      DeLaurentis, Daniel A.; Mavris, Dimitri N.; Schrage, Daniel P. (Georgia Institute of Technology, 1996-09)
      This paper documents an approach to conceptual and early preliminary aircraft design in which system synthesis is achieved using statistical methods, specifically Design of Experiments (DOE) and Response Surface Methodology ...
    • A System-of-Systems Design of a Guided Projectile Mortar Defense System 

      Massey, Kevin C.; Heiges, Michael W.; DiFrancesco, Ben; Ender, Tommer Rafael; Mavris, Dimitri N. (Georgia Institute of Technology, 2006-06)
      A System-of-Systems design methodology is used to evaluate tradeoffs in the design of a guided bullet system for mortar defense. Guided bullets were designed to match the calibers of four different existing auto guns and ...
    • System-of-Systems Modeling for Personal Air Vehicles 

      DeLaurentis, Daniel A.; Lim, Choon Giap; Kang, Taewoo; Mavris, Dimitri N.; Schrage, Daniel P. (Georgia Institute of Technology, 2002-09)
      On-going research is described in this paper concerning the development of a methodology for adaptable system studies of future transportation solutions based upon personal air vehicles. Two challenges in this research are ...