Estimation of unknown system states based on an adaptive neural network and Kalman filter

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Original languageEnglish
Pages (from-to)656-661
Number of pages6
JournalProcedia CIRP
Volume99
Early online date3 May 2021
Publication statusPublished - 2021
Event14th CIRP Conference on Intelligent Computation in Manufacturing Engineering, CIRP ICME 2020 - Naples, Italy
Duration: 15 Jul 202017 Jul 2020

Abstract

In the field of industry 4.0 the number of sensors increases steadily. The sensor data is often used for system observation and estimation of the system parameters. Typically, Kalman filtering is used for determination of the internal system parameters. Their accuracy and robustness depends on the system knowledge, which is described by differential equations. We propose a self-configurable filter (FNN-EKF) which estimates the internal system behavior without knowledge of the differential equations and the noise power. Our filter is based on Kalman filtering with a constantly adapting neural network for state estimation. Applications are denoising sensor data or time series. Several bouncing ball simulations are realized to compare the estimation performance of the Extended Kalman Filter to the presented FNN-EKF.

Keywords

    Adaptive extended Kalman filter, Denoising, Neural Network, Robustness, stability metric

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Cite this

Estimation of unknown system states based on an adaptive neural network and Kalman filter. / Kellermann, Christoph; Ostermann, Jörn.
In: Procedia CIRP, Vol. 99, 2021, p. 656-661.

Research output: Contribution to journalConference articleResearchpeer review

Kellermann C, Ostermann J. Estimation of unknown system states based on an adaptive neural network and Kalman filter. Procedia CIRP. 2021;99:656-661. Epub 2021 May 3. doi: 10.1016/j.procir.2021.03.089
Kellermann, Christoph ; Ostermann, Jörn. / Estimation of unknown system states based on an adaptive neural network and Kalman filter. In: Procedia CIRP. 2021 ; Vol. 99. pp. 656-661.
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AU - Ostermann, Jörn

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