This section provides links to charts describing various models used for describing system operation, as follows:

• The extended system model ... describes the full system, consisting of the engineered system (the machine), the operators and the interaction between them.
• The Interaction model ... describes the information processing in the machine and the operators, the flow between the internal processes and between the machine and its operators.
• The state machine ... is a basic concept, copied from Wikipedia.

Updated on 28 Nov 2016.