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Adaptive position-dependent friction characteristics for electromagnetic actuators

  • An approach for an adaptive position-dependent friction estimation for linear electromagnetic actuators with altered characteristics is proposed in this paper. The objective is to obtain a friction model that can be used to describe different stages of aging of magnetic actuators. It is compared to a classical Stribeck friction model by means of model fit, sensitivity, and parameter correlation. The identifiability of the parameters in the friction model is of special interest since the model is supposed to be used for diagnostic and prognostic purposes. A method based on the Fisher information matrix is employed to analyze the quality of the model structure and the parameter estimates.

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Author:Hanna Wenzl, Christian Knöbel, Johannes ReuterORCiD, Harald AschemannGND
Parent Title (English):IEEE international conference on methods and models in automation and robotics (MMAR16)
Document Type:Conference Proceeding
Year of Publication:2016
Release Date:2018/11/19
Tag:Parameter estimation; Electromagnetic actuators; Fault diagnosis; Friction
First Page:895
Last Page:900
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Open Access?:Nein