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Pressure fault recognition and compensation with an adaptive feedforward regulator in a controlled hybrid actuator within engine applications

Publikation: Beiträge in Zeitschriften › Konferenzaufsätze in Fachzeitschriften › Forschung › begutachtet

Authors

In this paper a pressure fault recognition and its compensation in a controlled hybrid actuator are proposed. The hybrid actuator consists of a piezo mechanical structure and a hydraulic stroke displacement ratio for adapting the position of the servo piston to be used in a camless engine. Because of the presence of two sealings, a possible pressure failure can occur. An adaptive Feedforward control strategy in combination with Feedback control to track a periodic signal is considered. After the detection of the pressure fault its compensation is possible through this adaptive Feedforward control. Measured results carry out the suitability of the control approach together with the pressure fault recognition and its compensation.

OriginalspracheEnglisch
ZeitschriftIFAC-PapersOnLine
Jahrgang48
Ausgabenummer21
Seiten (von - bis)925-930
Anzahl der Seiten6
ISSN2405-8971
DOIs
PublikationsstatusErschienen - 01.09.2015
Veranstaltung9th IFAC Symposium on Fault Detection, Supervision and Safety for Technical Processes - SAFEPROCESS 2015 - Paris, Frankreich
Dauer: 02.09.2015 → 04.09.2015
https://safeprocess15.sciencesconf.org/

    Fachgebiete

  • Advanced actuator technologies, Reconfigurable control, Sensor and actuator faults
  • Ingenieurwissenschaften

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