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Mirrored piezo servo hydraulic actuators for use in camless combustion engines and its Control with mirrored inputs and MPC

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

Authors

In this paper a model of a hybrid actuator is proposed. It consists of two mirrored piezo-mechanical structures (each including a hydraulic transmission ratio) and a hydraulic aggregate. A cascade control strategy based on a Model Predictive Control (MPC) is proposed to track periodic valve trajectory signals. The duality is based on the concept to maintain invariant the summation of the two piezo input voltage to a suitable value. The proposed cascade control structure consists of an internal and an external MPC controller. The secondary, internal controller is needed to accomplish a Soft Landing. The MPCs is combined with two feed forward control actions, one for the hydraulic aggregate model and one for the piezo-mechanic part of the model. Simulation results carried out the suitability of the control approach.
Original languageEnglish
Title of host publication2015 European Control Conference, ECC 2015
Number of pages7
PublisherIEEE - Institute of Electrical and Electronics Engineers Inc.
Publication date16.11.2015
Pages1686 - 1692
Article number7330780
ISBN (print)978-3-9524269-4-4
ISBN (electronic)978-3-9524-2693-7
DOIs
Publication statusPublished - 16.11.2015
Event14th European Control Conference - ECC 2015: Connect with the European controls community - Johannes Keppler Universität Linz, Linz, Austria
Duration: 15.07.2015 → 17.07.2015
Conference number: 14
https://desreg.jku.at/ecc15/ (Link to website)

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DOI

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