دانلود مقاله انگلیسی رایگان:روش ردیابی و برقراری ارتباط ریسک با استفاده از ابزارهای مهندسی سیستم مبتنی بر مدل (MBSE) - 2020
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دانلود مقاله انگلیسی مدیریت پروژه رایگان
  • Method for tracking and communicating aggregate risk through the use of model-based systems engineering (MBSE) tools Method for tracking and communicating aggregate risk through the use of model-based systems engineering (MBSE) tools
    Method for tracking and communicating aggregate risk through the use of model-based systems engineering (MBSE) tools

    سال انتشار:

    2020


    عنوان انگلیسی مقاله:

    Method for tracking and communicating aggregate risk through the use of model-based systems engineering (MBSE) tools


    ترجمه فارسی عنوان مقاله:

    روش ردیابی و برقراری ارتباط ریسک با استفاده از ابزارهای مهندسی سیستم مبتنی بر مدل (MBSE)


    منبع:

    Sciencedirect - Elsevier - The Journal of Space Safety Engineering, 7 (2020) 11-17. doi:10.1016/j.jsse.2020.01.001


    نویسنده:

    Scott Darpel a , ∗ , Sean Beckman a , Tim Ferlin a , Maria Havenhill a , Edith Parrot b , Kathy Harcula c


    چکیده انگلیسی:

    Large, complex projects can identify a significant number and variety of risks, throughout the project life cycle. These risks are analyzed, mitigated, closed or accepted as independent uncertainties. Once closed or accepted, it is easy for projects to lose awareness of their impact. In reality, each of these risks contributes some amount to the overall risk posture of the project. The ability to track and effectively communicate this aggregate risk has represented a challenge to project management. There have been previous attempts to create a schema to communicate the aggregate effect of risks, without notable success. Most of these attempts have centered on some additive metric derived from the scoring of likelihood and consequence values. This, in and of itself, is a logical approach, but all too often the scores were then aggregated to a level where all context was lost. One weakness has been a lack of attempt to create linkages or logical groups of the risks upon which useful aggregation could then occur. The overall move to model-based (systems) engineering (MBSE) has opened up a vast frontier of opportunities to better integrate all project data. MBSE provides an underlying layer that links data items to each other. Objectives link to requirements, which then link to functions, functions to physical architecture items, and so on, as far down as projects want to model. While it started with a focus on modeling requirements based on things like use cases, efforts are now underway to integrate safety and mission assurance (S&MA) information and analyses, such as risks. This effort, called Model Based Mission Assurance (MBMA), is yielding models that are more useful and are a more accurate representations of the systems. MBSE models, with this ability to link related items, provide a new means of tracking and communicating ag- gregate risks. In the proposed method, risks are added into the models as distinct items, having attributes that communicate a scoring derived from the likelihood and consequence values as charted on the standard NASA 5 ×5 risk matrix. Like earlier efforts, each box in the 5 ×5 has an associated scoring, which may include both a current score and potential post-mitigation/control score. The risk items are then linked to elements of the model, such as system objectives/goals, requirements, functions, or physical architecture items, with “Risk to ”relationships. These risks will then be communicated by use of reports generated from the model, detailing all risks and/or hazards linked to model elements. These reports can include aggregate impacts, including a current scoring and potential future state scoring based on the planned mitigations and/or controls. These reports will show all risks, open, accepted, and closed, linked to project objectives or requirements. When run as part of an upcoming risk acceptance discussion, these reports will serve to remind the team of all previous risks that relate to the effected portion of the system. When included as part of periodic program or project reviews, risk reviews, and safety reviews, this method can improve the overall understanding of the system’s true risk posture. This proposed method takes full advantage of the advances that modern modeling techniques provide, with a minimal investment of additional time. Utilizing the model environment also enables a near constant access to current state of aggregate risks.


    سطح: متوسط
    تعداد صفحات فایل pdf انگلیسی: 7
    حجم فایل: 1716 کیلوبایت

    قیمت: رایگان


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