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

Research output: Journal contributions › Conference article in journal › Research › peer-review

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.

Original languageEnglish
JournalIFAC-PapersOnLine
Volume48
Issue number21
Pages (from-to)925-930
Number of pages6
ISSN2405-8971
DOIs
Publication statusPublished - 01.09.2015
Event9th IFAC Symposium on Fault Detection, Supervision and Safety for Technical Processes - SAFEPROCESS 2015 - Paris, France
Duration: 02.09.2015 → 04.09.2015
https://safeprocess15.sciencesconf.org/

    Research areas

  • Advanced actuator technologies, sensor and actuator faults, reconfigurable control
  • Engineering

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