Nonlinear Control of an Electro-Magnetic Actuator under Highly Dynamic Disturbances

Proceedings of the 2012 IEEE Multiconference on System and Control, 2012
Author(s):Schwarzgruber T., Trogmann H., Passenbrunner T., Fizek S., Dolovai P.
This paper presents a control concept for Electro-Magnetic Actuators (EMA) under the effect of strong and dynamic disturbances. The proposed control consists of two components, a backstepping control which exploits the knowledge of the plant and of a disturbance observer. Experiments at a test stand show that the presented approach is able to fulfill very high dynamic requirements and to reject disturbances with a higher dynamics than the actuator under realistic conditions.
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