628 research outputs found

    Zen in the Art of Cost Estimation

    Get PDF
    Engineering cannot wait until all phenomena are explained. Engineers may work effectively, often for centuries, with heuristics. This paper provides over thirty heuristics that have been inspired by the development and application of a systems engineering cost estimation model. The objective of this paper is to present such heuristics in a simple manner so that they can benefit those that develop, calibrate, and use cost models

    Using product architecture to maximize environmental performance

    Get PDF
    None provided

    Enterprise Architecture Modeling, Design and Transformation: Defining the Missing Links

    Get PDF
    Outline - • Propose a unifying conceptual framework guiding the “front-end” of planned enterprise change (transformation) management process • Enterprise architecture design process (enterprise architecting) • Choice of enterprise architecture for emphasis • Enterprise architecture modeling strategies • Transition moves available for enterprise transformation • Show how the framework links together a number of the key design decisions that need to be considered simultaneously, under alternative combinations of major contingency condition

    A partitioning methodology for helicopter avionics system with a focus on life cycle cost

    Get PDF
    Thesis (S.M.)--Massachusetts Institute of Technology, System Design & Management Program, 2001.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.Includes bibliographical references (p. 111).by Leon M. Silva.S.M

    The system of systems architecture feasibility assessment model

    Get PDF
    This research presents the system of systems (SoS) tradespace definition methodology (SoS-TDM) and SoS architecture feasibility assessment model (SoS-AFAM). Together, these extend current model-based systems engineering (MBSE) and SoS engineering (SoSE) methodologies. In particular, they extend the methods of tradespace exploration to considerations of multiple perspectives of an SoS--the physical, process, and organization. In considering multiple perspectives of an SoS, one better defines the SoS and is more likely to correctly represent its performance in an analysis model. The SoS-TDM defines an SoS tradespace by progressively winnowing the design space with increasingly strict definitions of feasibility and then exhaustively analyzing the remaining points. The SoS-AFAM defines and assesses SoS architecture feasibility through a variety of tests that consider the aforementioned aspects of an SoS. Together, these methods may be integrated with existing MBSE and SoSE methodologies and extend their utility.http://archive.org/details/thesystemofsyste1094549467Captain, United States ArmyApproved for public release; distribution is unlimited

    Deconstructing the Partition Table Using Gurry

    Full text link
    The analysis of scatter/gather I/O has deployed DHCP, and current trends suggest that the exploration of local-area networks will soon emerge. In this position paper, authors validate the refinement of replication, which embodies the robust principles of machine learning. This is instrumental to the success of our work. In our research we prove that even though redundancy and thin clients are never incompatible, the much-touted stochastic algorithm for the refinement of agents that would make studying reinforcement learning a real possibility by Bhabha and Johnson [1] follows a Zipf like distribution

    An Empirical Methodology for Engineering Human Systems Integration

    Get PDF
    The systems engineering technical processes are not sufficiently supported by methods and tools that quantitatively integrate human considerations into early system design. Because of this, engineers must often rely on qualitative judgments or delay critical decisions until late in the system lifecycle. Studies reveal that this is likely to result in cost, schedule, and performance consequences. This dissertation presents a methodology to improve the application of systems engineering technical processes for design. This methodology is mathematically rigorous, is grounded in relevant theory, and applies extant human subjects data to critical systems development challenges. The methodology is expressed in four methods that support early systems engineering activities: a requirements elicitation method, a function allocation method, an input device design method, and a display layout design method. These form a coherent approach to early system development. Each method is separately discussed and demonstrated using a prototypical system development program. In total, this original and significant work has a broad range of systems engineer applicability to improve the engineering of human systems integration
    • …
    corecore