A hybrid hydraulic piezo actuator modeling and hysteresis effect identification for control in camless internal combustion engines

Publikation: Beiträge in SammelwerkenAufsätze in KonferenzbändenForschungbegutachtet

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This paper presents a hybrid actuator composed by a piezo and a hydraulic part. Moreover, a cascade PI-PIDPI control structure for camless engine motor applications is considered. The idea of this contribution is using the advantages of both: the high precision of the piezo and the force of the hydraulic part. Piezoelectric actuators (PEAs) are mostly used for precision positioning, despite PEAs present nonlinearities, such as saturations, hysteresis and creep. In the control problem this kind of nonlinearities must be taken into consideration. The Preisach dynamic model of the PEA with the above mentioned nonlinearities is considered. In particular, the hysteresis effect is considered and a model with a switching function is used also for the controller design. Simulations results are presented.
OriginalspracheEnglisch
Titel2013 Proceedings of International Conference on Modelling, Identification and Control, ICMIC 2013
Anzahl der Seiten6
VerlagIEEE - Institute of Electrical and Electronics Engineers Inc.
Erscheinungsdatum2013
Seiten187-192
Aufsatznummer6642172
ISBN (Print)9780956715739
ISBN (elektronisch)978-0-9567157-3-9
PublikationsstatusErschienen - 2013
Veranstaltung2013 5th International Conference on Modelling, Identification and Control - ICMIC 2013 - Cairo, Ägypten
Dauer: 31.08.201302.09.2013
Konferenznummer: 5

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