A patch-type smart self-sensing actuator

Young Hwan Chang, Do Hyung Kim, In Lee, Jae Hung Han

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

For vibration control applications, a collocated input/output response is generally desired. A perfect sensor/actuator collocation usually provides a stable performance in closed-loop feedback controls. Self-sensing actuators of various types have been proposed, but they still show several problems such as hysteresis, phase error, non-linear response, and complexity of the compensation technique. This paper presents a new patch-type self-sensing actuator based on an extrinsic Fabry-Perot interferometer and a piezoelectric ceramic. The proposed self-sensing actuator not only guarantees stabilities in 'direct-feedback control loops' such as in existing sensoriactuators but also has better strain resolution and a wider dynamic sensing range. Finally, the application of active vibration control is demonstrated using the self-sensing actuator developed.

Original languageEnglish (US)
Pages (from-to)667-677
Number of pages11
JournalSmart Materials and Structures
Volume15
Issue number3
DOIs
StatePublished - Jun 1 2006
Externally publishedYes

Fingerprint

Actuators
actuators
Vibration control
feedback control
Feedback control
Fabry-Perot interferometers
vibration
Piezoelectric ceramics
collocation
phase error
piezoelectric ceramics
Hysteresis
hysteresis
output
sensors
Sensors

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

A patch-type smart self-sensing actuator. / Chang, Young Hwan; Kim, Do Hyung; Lee, In; Han, Jae Hung.

In: Smart Materials and Structures, Vol. 15, No. 3, 01.06.2006, p. 667-677.

Research output: Contribution to journalArticle

Chang, Young Hwan ; Kim, Do Hyung ; Lee, In ; Han, Jae Hung. / A patch-type smart self-sensing actuator. In: Smart Materials and Structures. 2006 ; Vol. 15, No. 3. pp. 667-677.
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