Abstract
In many mechatronic applications we find actuators with complex hysteretic output-input characteristics. A possibility to compensate these undesired hysteresis effects are inverse feed-forward controllers. The required inverse hysteretic filters are based on models of the hysteresis effects like the well-known Preisach operator. This paper describes the design of a new so-called threshold-discrete Preisach hysteresis operator for the use in real-time applications. The formulation of the identification problem as a quadratic program closes the theoretical part of the paper. Finally, we present some experimental results which document the capability of the method for practical applications.
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