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Transparency is an important criterion for the quality characteristics of usability, efficiency and maintainability of a control algorithm.
A transparent control system must
•make it possible to recognize at any time what it is currently supposed to do, what it is actually doing and what it is supposed to do in the near future
•Be as easy as possible to reinterpret, i.e. the task can be recognized from the implementation
The better the transparency requirements are met, the easier it is to identify errors and make corrections during verification and validation. The highest possible transparency facilitates changes and extensions as a result of subsequently changed or extended specifications.