基于MBSE的飞行器可靠性需求多维捕获与分解技术研究

Research on Model-Based Multi-Dimension Aircraft Reliability Requirement Capture and Decomposition

摘要:

在飞行器设计过程中，需求捕获是确保产品设计符合利益相关方期望的关键步骤。为了保证可靠性需求捕获的完整性和需求分解的准确性，首先，将从场景维度和利益相关方维度对飞行器可靠性需求进行多维捕获与分解；其次，与MBSE（Model Based System Engineering）过程相结合，通过利益相关方识别，可靠性需求捕获、确认与建模，可靠性需求分解、验证与建模实现对飞行器可靠性需求精确完整的捕获与确认；最后，以民用飞机典型系统为案例，使用基于MBSE 的飞行器可靠性需求捕获与分解技术完成基于场景与利益相关方的可靠性需求捕获、建模与验证，得到典型系统利益相关方的可靠性需求MBSE 模型。本文为民用飞机全寿命周期基于MBSE 的可靠性设计过程提供需求输入，为民用飞机需求捕获与分解专业人员、系统工程师提供MBSE方法途径与解决思路。

Abstract:

In the aircraft design process, requirement capture is a key step to ensure that the product design meets stakeholders" expectations. In order to ensure the completeness of reliability requirements capture and the accuracy of requirements decomposition, firstly, multi-dimensional capture and decomposition of civil aircraft reliability requirements will be carried out from the scenario dimension and the stakeholder dimension. Secondly, combined with the MBSE process, the accuracy and completeness of civil aircraft reliability requirements capture and validation will be realized through the stakeholders identification, reliability requirements capture-validation-modeling, and reliability requirements decomposition- verification-modeling. Finally, using a typical civil aircraft system as a case study, the model-based civil aircraft reliability requirements capture and decomposition technology completes the scenario-based and stakeholder-based reliability requirements capture, modeling and validation. Besides, obtaining a typical system stakeholder reliability requirements MBSE model, which provides the requirements for the whole life cycle of the civil aircraft based on the MBSE reliability design process input. This research provides MBSE methods and solutions for system engineers involved in requirement capture and decomposition of civil aircraft.