MAX: a mechatronic model building environment

A description is given of the state of the art and the functionality of MAX, an expert system for supporting conceptual design of mechatronic systems. Three model building principles are combined in MAX: – embedding equations in networks: a tight coupling between the graphical model formulation and the underlying equations assists the user in model building and evaluation. – multiple model formulations: one system can be manipulated and inspected simultaneously in multiple formulations (languages). – polymorphic modelling: a submodel definition is divided into a type that defines essential properties, and a specification that defines incidental properties. One type generally has multiple specifications, and types are organised hierarchically inside the library. By means of a simple case study, the utility of these principles is demonstrated. It is shown that MAX is a powerful model building environment that is well adapted to usage by designers.