Proceedings of the Symposium on Automated Modeling 1994 ASME Winter Annual Meeting Chicago, IL DEVELOPMENT OF PROPER MODELS OF HYBRID SYSTEMS

To improve the ability of engineers to use dynamic models as part of the design process, a model synthesis procedure for developing proper models of hybrid systems is presented. An accuracy criterion and a new search pattern is developed for a model order deduction algorithm (MODA) previously published. The extended MODA process consists of systematically incrementing the rank of each component in the system model until a set of critical system eigenvalues has been defined. Then, the rank of component models is incremented until each critical system eigenvalue has converged to within a specified tolerance. In addition, a formulation taken from the component mode synthesis literature is introduced to allow components of the system to be represented in modal or finite segment form. A simple example is provided to show how extended MODA can facilitate the synthesis of proper system models for design.