A new hybrid method for sensorless control of piezoelectric actuators

Mohsen Bazghaleh, Morteza Mohammadzaheri, Steven Grainger, Ben Cazzolato, Tien Fu Lu

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

This paper offers a new hybrid position estimation method for the sensorless control of piezoelectric actuators. Often mathematical models which map easy to measure signals to displacement are used in this role. The proposed method is aimed at enhancing the accuracy of commonly accepted black box models. Three easy to measure signals are available to be used to estimate displacement. One, the induced voltage, is not suitable for piezoelectric stacks. Two others are more generally usable: the piezoelectric voltage and the sensing voltage. This paper proposes, then theoretically and experimentally verifies a hybrid algorithm that uses the two latter signals to produce estimates of displacement with improved accuracy.

Original languageEnglish
Pages (from-to)25-30
Number of pages6
JournalSensors and Actuators, A: Physical
Volume194
DOIs
Publication statusPublished - 2013

Fingerprint

piezoelectric actuators
Piezoelectric actuators
Electric potential
electric potential
estimates
boxes
mathematical models
Mathematical models
Sensorless control

Keywords

  • Black box
  • Displacement estimation
  • Fuzzy
  • Piezoelectric actuators
  • Sensorless control

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering

Cite this

A new hybrid method for sensorless control of piezoelectric actuators. / Bazghaleh, Mohsen; Mohammadzaheri, Morteza; Grainger, Steven; Cazzolato, Ben; Lu, Tien Fu.

In: Sensors and Actuators, A: Physical, Vol. 194, 2013, p. 25-30.

Research output: Contribution to journalArticle

Bazghaleh, Mohsen ; Mohammadzaheri, Morteza ; Grainger, Steven ; Cazzolato, Ben ; Lu, Tien Fu. / A new hybrid method for sensorless control of piezoelectric actuators. In: Sensors and Actuators, A: Physical. 2013 ; Vol. 194. pp. 25-30.
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