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Article: Impact dynamics of micromachined bidirectional electrothermal vibromotors

TitleImpact dynamics of micromachined bidirectional electrothermal vibromotors
Authors
Issue Date2004
PublisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jsp
Citation
Journal of Applied Physics, 2004, v. 96 n. 12, p. 7603-7611 How to Cite?
AbstractThe motion of micromachined bidirectional electrothermal vibromotors (BETV) is analyzed using an impact model that takes into account friction and contact, as well as the compliance of the slider and the impact head. This model addresses several important issues on the usage of BETV. These include (a) how to achieve the pull and push mode; (b) avoiding multiple impacts in one actuation cycle; (c) the existence of periodic solutions with the same period as the thermal actuator. Four dimensionless parameters are found to govern the dynamics of the vibromotor. Depending on these parameters, we observed periodic motion, period doubling, and aperiodic solution. A criterion is established to separate push and pull modes. An experiment that includes fabricating and characterizing a BETV is carried out to verify the ability of the model to predict the pull mode. © 2004 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/148947
ISSN
2023 Impact Factor: 2.7
2023 SCImago Journal Rankings: 0.649
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorShin, WPen_HK
dc.contributor.authorPai, Men_HK
dc.contributor.authorLin, YYen_HK
dc.contributor.authorHui, CYen_HK
dc.contributor.authorTien, NCen_HK
dc.date.accessioned2012-06-20T06:16:59Z-
dc.date.available2012-06-20T06:16:59Z-
dc.date.issued2004en_HK
dc.identifier.citationJournal of Applied Physics, 2004, v. 96 n. 12, p. 7603-7611-
dc.identifier.issn0021-8979en_HK
dc.identifier.urihttp://hdl.handle.net/10722/148947-
dc.description.abstractThe motion of micromachined bidirectional electrothermal vibromotors (BETV) is analyzed using an impact model that takes into account friction and contact, as well as the compliance of the slider and the impact head. This model addresses several important issues on the usage of BETV. These include (a) how to achieve the pull and push mode; (b) avoiding multiple impacts in one actuation cycle; (c) the existence of periodic solutions with the same period as the thermal actuator. Four dimensionless parameters are found to govern the dynamics of the vibromotor. Depending on these parameters, we observed periodic motion, period doubling, and aperiodic solution. A criterion is established to separate push and pull modes. An experiment that includes fabricating and characterizing a BETV is carried out to verify the ability of the model to predict the pull mode. © 2004 American Institute of Physics.en_HK
dc.languageengen_US
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jspen_HK
dc.relation.ispartofJournal of Applied Physicsen_HK
dc.titleImpact dynamics of micromachined bidirectional electrothermal vibromotorsen_HK
dc.typeArticleen_HK
dc.identifier.emailTien, NC: nctien@hku.hken_HK
dc.identifier.authorityTien, NC=rp01604en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1063/1.1805725en_HK
dc.identifier.scopuseid_2-s2.0-11044233624en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-11044233624&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume96en_HK
dc.identifier.issue12en_HK
dc.identifier.spage7603en_HK
dc.identifier.epage7611en_HK
dc.identifier.isiWOS:000225482400101-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridShin, WP=36830015800en_HK
dc.identifier.scopusauthoridPai, M=7102233717en_HK
dc.identifier.scopusauthoridLin, YY=7406583596en_HK
dc.identifier.scopusauthoridHui, CY=7202876972en_HK
dc.identifier.scopusauthoridTien, NC=7006532826en_HK
dc.identifier.issnl0021-8979-

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