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But perhaps there is another way. And it might even be a better one.
In the systems engineering discipline, we normally develop several solution
approaches and then weigh one against the other before we go for one. So we question
the solution ideas of our principal and think about alternatives. Unfortunately,
it is often the case that our look into alternatives is foggy, since we already know
one possible solution, or because the project doesn ??™ t have enough time to examine
alternatives more closely.
This is the point where a thinking experiment comes in handy: searching for
the ideal system. Of course, we always want to develop an ideal system. But what
is THE ideal system? The ideal system meets all user requirements without existing
itself. Wait a minute! Don ??™ t close the book just yet. This thinking process is really
helpful.
Thinking about this obviously unreachable goal limits the search space and
focuses on a successful direction ( Figure 2.4 ). Let ??™ s look at a concrete example:
Consider the locking system of a car.


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