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Designing controllers is generally based on linear or non-linear control theory. An example of the former is the PID control that is the most popular and widely used in industries. An example of the latter is Variable Structure Control (VSC). In this study, we added the VSC to an AMB-equipped flexible rotor under the PID control. We used the sensitivity function, a way to potentially evaluate the stability margin of the AMB linear system by applying to the non-linear system of the VSC on the system stability. In order to study the VSC’s stability effect quantitatively, we selected the following parameters: s and ? of k?sign[(sx + x&)x]x , and the property of a front-stage filter.

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Booktitle: Proceedings of ISMB9