Smarter system development: a systems engineering white paper from IBM

We know theyre an essential part of the systems engineering process. Trade studies help us fully explore the design space to ensure that a proposed solution best meets conflicting performance and cost requirements. But many of us dont know that you can analytically and objectively conduct your trade studies well before you engineer anything. Using a model-driven approach with IBM Rational Rhapsody software, you can determine which solution will best capture stakeholder requirements while also justifying your engineering decisions.

This paper describes a multivariable decision problem based upon the selection of a power source for an environmentally conscious but cost-effective family-size vehicle for the European/United Kingdom (U.K.) marketplace. Stakeholders primary requirements for the vehicle are green credentials and low fuel costs, which are shown in U.K. pounds (). Figure 1 captures the two primary requirements, as well as several others.

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