Mechatronics examples for teaching modeling, dynamics, and control

Abstract

This thesis presents the development of a single-axis magnetic suspension. The intention is to use this system as a classroom demo for an introductory course on modeling, dynamics, and control. We solve this classic nonlinear controls problem with feedback linearization; the main advantage with this technique is operating point independency. However, it is highly sensitive to modeling errors and unpredicted plant behavior. We overcome these barriers by using a model based on both theory and experimentally determined behavior. This paper details the theory, modeling, and implementation, concluding with performance analysis.