Chapter 6

Agile Systems Architectural Analysis and Trade Studies

A key systems engineering activity is to examine different architectural and technical solutions—especially ones that cross engineering disciplines—to identify the best approach for the system design. This can be done in a relatively simple, but low-fidelity way using spreadsheets and estimated advantages and disadvantages of various candidate solutions. It can also be done using a more formal means using mathematical and constraint analysis. The SysML provides a means for evaluation of parametric constraints to rigorously evaluate architectural solutions and select the best design alternative from a host of choices. The parametric diagram is key here, and constraint properties, ...

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