| Tracking control of a multilayer piezoelectric actuator using a fiber bragg grating displacement sensor system. | |
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MedLine Citation:
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PMID: 19942492 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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This paper provides a fiber Bragg grating (FBG) sensor system which can measure the point-wise, out-of-plane displacement to examine the position-tracking control problem of a multilayer piezoelectric actuator (MPA). An FBG filter-based wavelength-optical intensity modulation technique is used in this study. A nominal system model is identified experimentally from the responses excited by random signals measured by an FBG displacement sensor that are simultaneously compared with those obtained from a laser Doppler vibrometer. To further investigate the sensing ability of the proposed system in a feedback control problem, control strategies including robust H(infinity) control, proportional-integralderivative control, and pseudoderivative feedback control are implemented. The characteristics of the step responses for each controller are examined. The experimental results show that the proposed sensor system is capable of performing the system identification and can serve as a feedback control sensor which has a displacement sensitivity of 5 mV/nm. |
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Authors:
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Kuo-Chih Chuang; Chien-Ching Ma |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: IEEE transactions on ultrasonics, ferroelectrics, and frequency control Volume: 56 ISSN: 1525-8955 ISO Abbreviation: IEEE Trans Ultrason Ferroelectr Freq Control Publication Date: 2009 Oct |
Date Detail:
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Created Date: 2009-11-27 Completed Date: 2010-01-28 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9882735 Medline TA: IEEE Trans Ultrason Ferroelectr Freq Control Country: United States |
Other Details:
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Languages: eng Pagination: 2036-49 Citation Subset: - |
Affiliation:
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Dept. of Mech. Eng., Nat. Taiwan Univ., Taipei, Taiwan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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