QualSim: MATLAB Toolbox for Qualitative Modeling and Simulation of Technical Systems Using the Naïve Physics Approach

Introduction

QualSim was developed as a tool for experimenting with the Naïve Physics approach to qualitative modeling and simulation. The results of these efforts were presented in chapter 12 of the book Continuous System Modeling.

Unfortunately, I soon determined that the Naïve Physics approach is poorly scalable. Small (trivial) systems can easily and elegantly be modeled and simulated using this methodology. However, the approach fails miserably when dealing with large-scale systems. For this reason, I quickly lost interest in this qualitative modeling methodology.

Most Important Publications

Cellier, F.E. (1991), Continuous System Modeling, Springer-Verlag, New York.
Cellier, F.E., and N. Roddier (1991), Qualitative State Spaces: A Formalization of the Naïve Physics Approach to Knowledge-based Reasoning, Proc. AI, Simulation and Planning in High Autonomy Systems, Cocoa Beach, Florida, pp.40-49.

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