ON ABSTRACTION AND INTERPRETABILITY: A BEHAVIOURAL PERSPECTIVE

摘要

The process of abstracting physical systems to obtain models and interpret these for the desired purpose is considered from a perspective originating from the behavioural framework. It is pointed out that for the purpose of modelling regenerative processes or passive controllers, the behavioural framework and bond graphs are well suited. The reader is introduced to modelling of dynamical systems in the behavioural framework; in this context system representations predominant in the behavioural framework are presented. In addition, the concepts of interconnection and control by interconnection are shown together with a numerical simulation and an illustrative example.rnBond graphs for graphical modelling of systems without a priori assumptions of causality are presented, with the key concepts illustrated by repeating the illustrative example from the behavioural modelling section by help of bond graphs. A comparison shows that manifest behaviours of interconnected systems can be stated directly from the corresponding bond graph. This shows the common applicability of both techniques to handle real world modelling and control problems.