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A model comparison performance index for servo drive control

: Quellmalz, Johannes; Rehm, S.; Schlegel, Holger; Drossel, Welf-Guntram


Brezina, Tomas ; Brno University of Technology:
Mechatronics 2013: Recent Technological and Scientific Advances : October 7-9, 2013 in Brno, Czech Republic
Cham: Springer International Publishing, 2014
ISBN: 978-3-319-02293-2 (Print)
ISBN: 978-3-319-02294-9 (Online)
International Conference Mechatronics <10, 2013, Brno>
Fraunhofer IWU ()

This paper describes an approach for monitoring closed loop speed control of electromechanical drives. The data of the closed loop is evaluated and concentrated to a performance index, giving a scalar value to measure setpoint change behavior. The method uses an order-reduced model as comparison basis to closed-loop signals, which is possible to implement on controller equipment. Parameterization of the comparison model is addressed even pointing out a provision without requiring a-priori knowledge. Influence of the main parameters is shown by means of simulation results. Following, experiments are carried out and compared to theoretical results. In conclusion usability and possible further improvement is discussed.