Evaluating Alternatives for Designing Mechatronic Systems in a Systems Engineering Context
Résumé
The system analysis process (SEBoK 2012) allows « developers to objectively carry out quantitative assessments of systems in order to select and/or update the most efficient system architecture and to generate derived engineering data ». The goal is here to perform trade-off studies. We focus here on the evaluation of costs, risks or effectiveness of Alternative System Design Solutions (ASDS) provided by the technical systems engineering processes (ISO/IEC 2008) considering two main constraints. First, iterative aspect of design approach induces a growing but uncertain maturity level of detail of the proposed solutions. Second, each decision resulting from evaluations must be argued considering stakeholder’s requirements. It is particularly crucial to note here that these requirements can be more or less contradictory. They can be also relative to various domains and culture such as mechanics, electronics, or computer science. The proposed work aims at giving a methodological guide with embedded tools and innovative decision making methods to support the effectiveness evaluation of ASDS. It is here applied in the field of mechatronic systems analysis. This guide is the subject of methodological, conceptual and technical contributions summarized in the next sections.
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