A qualitative diagnostic method based on structural analysis for a circulatory system model
K. Asami, Tadashi Kitamura · 2002
The purpose of this study is to develop a diagnosis and simulation tool for a circulatory system model. We use Coleman's (1979) dynamic model Human, which consists of 25 modules including equations of about 1000 lines, over 200 variables, and over 100 static parameters. We propose a qualitative method for understanding causal propagation of variables in the model structure. The proposed method: generates cause and effect relations between variables; visualizes a hierarchical directed graph of variables; and enables to trace the hierarchy of the circulatory model.