A robust model predictive control using a feedforward structure for a hybrid hydraulic piezo actuator in camless internal combustion engines

Publikation: Beiträge in SammelwerkenAufsätze in KonferenzbändenForschungbegutachtet

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This paper deals with a hybrid actuator composed by a piezo and a hydraulic part and with a Robust Model Predictive Control (RMPC) structure combined with a feedforward control in camless engine motor applications. A combination between a feedforward control based on an inversion of the system and an MPC structure is considered. The idea of the conception of the proposed new actuator is to use the advantages of both, the high precision of the piezo and the force of the hydraulic part. In fact, piezoelectric actuators (PEAs) are commonly used for precision positionings, despite PEAs present nonlinearities, such as hysteresis, saturations, and creep. In the control problem such nonlinearities must be taken into account. In this paper the Preisach dynamic model with the above mentioned nonlinearities is considered together with a feedforward control combined with a RMPC. Simulations of the implementation with real data are shown.

OriginalspracheEnglisch
Titel9th International Multi-Conference on Systems, Signals and Devices (SSD) : Chemnitz, Germany, 20 - 23 March 2012
Anzahl der Seiten6
VerlagIEEE - Institute of Electrical and Electronics Engineers Inc.
Erscheinungsdatum01.03.2012
Aufsatznummer6198023
ISBN (Print)978-1-4673-1590-6
ISBN (elektronisch)978-1-4673-1589-0
DOIs
PublikationsstatusErschienen - 01.03.2012
Veranstaltung9th International Multi-Conference on Systems, Signals and Devices - SSD 2012 - Chemnitz University of Technology, Chemnitz, Deutschland
Dauer: 20.03.201223.03.2012
Konferenznummer: 9
https://ssd-conf.org/previous/ssd12/

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