Model-Based Systems Engineering

by A.Wayne Wymore

that if the system design problem is stated precisely and comprehensively, then a favorite design might not be a solution? Or is it merely the innocent, but incorrect, perception that there is not enough time or other resources to do the job right? • A system is designed and built, but it turns out that it does not solve the real problem because the real problem was never stated. Then the real system itself becomes a real problem: to modify the real system so that it really does solve the original problem. Frequently, this retrofitting must be accomplished by the users of the system at great expense. • Executives look first for technology to solve their problem before the problem is stated. To design a system, they call in the hardware and software vendors to see what they have that will “