Characterizing the effective bandwidth of tri-stable energy harvesters
Recently, it has been shown that nonlinear vibratory energy harvesters possessing a tri-stable potential function are capable of harvesting energy efficiently over a wider range of frequencies in comparison to harvesters with a double-well potential function. However, the effect of the design parame...
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Veröffentlicht in: | Journal of sound and vibration 2017-01, Vol.386, p.336-358 |
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description | Recently, it has been shown that nonlinear vibratory energy harvesters possessing a tri-stable potential function are capable of harvesting energy efficiently over a wider range of frequencies in comparison to harvesters with a double-well potential function. However, the effect of the design parameters of the harvester on the dynamic response and the effective bandwidth of such devices remains uninvestigated. To fill this void, this paper establishes an analytical approach to characterize the effective frequency bandwidth of harvesters that possess a hexic potential energy function. To achieve this goal, the method of multiple scales is utilized to construct analytical solutions describing the amplitude and stability of the intra- and inter-well dynamics of the harvester. Using these solutions, critical bifurcations in the parameter's space are identified and used to define an effective frequency bandwidth of the harvester. The influence of the electric parameters, namely, the time constant ratio (ratio between the period of the mechanical system and the time constant of the harvesting circuit) and the electromechanical coupling, on the effective frequency bandwidth is analyzed. Experimental studies performed on the harvester are presented to validate some of the theoretical findings. |
doi_str_mv | 10.1016/j.jsv.2016.09.022 |
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However, the effect of the design parameters of the harvester on the dynamic response and the effective bandwidth of such devices remains uninvestigated. To fill this void, this paper establishes an analytical approach to characterize the effective frequency bandwidth of harvesters that possess a hexic potential energy function. To achieve this goal, the method of multiple scales is utilized to construct analytical solutions describing the amplitude and stability of the intra- and inter-well dynamics of the harvester. Using these solutions, critical bifurcations in the parameter's space are identified and used to define an effective frequency bandwidth of the harvester. The influence of the electric parameters, namely, the time constant ratio (ratio between the period of the mechanical system and the time constant of the harvesting circuit) and the electromechanical coupling, on the effective frequency bandwidth is analyzed. Experimental studies performed on the harvester are presented to validate some of the theoretical findings.</description><identifier>ISSN: 0022-460X</identifier><identifier>EISSN: 1095-8568</identifier><identifier>DOI: 10.1016/j.jsv.2016.09.022</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>Bandwidths ; Bifurcations ; Design parameters ; Dynamic response ; Dynamic stability ; Effectiveness ; Electrical equipment ; Energy ; Energy harvesting ; Experiments ; Harvesters ; Mathematical analysis ; Multiscale analysis ; Nonlinear dynamics ; Parameter identification ; Potential energy ; Stability analysis ; Time constant ; Tri-stable harvesters ; Vibratory energy harvesting</subject><ispartof>Journal of sound and vibration, 2017-01, Vol.386, p.336-358</ispartof><rights>2016 Elsevier Ltd</rights><rights>Copyright Elsevier Science Ltd. Jan 6, 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c325t-f7174d268d27df7ee5e8f6827f7f8c02a636e5caec3d9759bd17b63c0974bb5b3</citedby><cites>FETCH-LOGICAL-c325t-f7174d268d27df7ee5e8f6827f7f8c02a636e5caec3d9759bd17b63c0974bb5b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jsv.2016.09.022$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Panyam, Meghashyam</creatorcontrib><creatorcontrib>Daqaq, Mohammed F.</creatorcontrib><title>Characterizing the effective bandwidth of tri-stable energy harvesters</title><title>Journal of sound and vibration</title><description>Recently, it has been shown that nonlinear vibratory energy harvesters possessing a tri-stable potential function are capable of harvesting energy efficiently over a wider range of frequencies in comparison to harvesters with a double-well potential function. However, the effect of the design parameters of the harvester on the dynamic response and the effective bandwidth of such devices remains uninvestigated. To fill this void, this paper establishes an analytical approach to characterize the effective frequency bandwidth of harvesters that possess a hexic potential energy function. To achieve this goal, the method of multiple scales is utilized to construct analytical solutions describing the amplitude and stability of the intra- and inter-well dynamics of the harvester. Using these solutions, critical bifurcations in the parameter's space are identified and used to define an effective frequency bandwidth of the harvester. The influence of the electric parameters, namely, the time constant ratio (ratio between the period of the mechanical system and the time constant of the harvesting circuit) and the electromechanical coupling, on the effective frequency bandwidth is analyzed. Experimental studies performed on the harvester are presented to validate some of the theoretical findings.</description><subject>Bandwidths</subject><subject>Bifurcations</subject><subject>Design parameters</subject><subject>Dynamic response</subject><subject>Dynamic stability</subject><subject>Effectiveness</subject><subject>Electrical equipment</subject><subject>Energy</subject><subject>Energy harvesting</subject><subject>Experiments</subject><subject>Harvesters</subject><subject>Mathematical analysis</subject><subject>Multiscale analysis</subject><subject>Nonlinear dynamics</subject><subject>Parameter identification</subject><subject>Potential energy</subject><subject>Stability analysis</subject><subject>Time constant</subject><subject>Tri-stable harvesters</subject><subject>Vibratory energy harvesting</subject><issn>0022-460X</issn><issn>1095-8568</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kMFKxDAQhoMouK4-gLeC59ZJ2iQtnmRxVVjwouAtpMlkN2Vt16Rb0ac3y3r2NMPwfzPDR8g1hYICFbdd0cWpYKktoCmAsRMyo9DwvOaiPiUzSKO8EvB-Ti5i7ACgqcpqRpaLjQ7ajBj8j-_X2bjBDJ1DM_oJs1b39svbcZMNLhuDz-Oo221K9BjW31lCJ4yJjZfkzOltxKu_Oidvy4fXxVO-enl8XtyvclMyPuZOUllZJmrLpHUSkWPtRM2kk642wLQoBXKj0ZS2kbxpLZWtKA00smpb3pZzcnPcuwvD5z7dVt2wD306qRgICpxyTlOKHlMmDDEGdGoX_IcO34qCOuhSnUq61EGXgkYlN4m5OzKY3p88BhWNx96g9SHZUHbw_9C_FaRzgA</recordid><startdate>20170106</startdate><enddate>20170106</enddate><creator>Panyam, Meghashyam</creator><creator>Daqaq, Mohammed F.</creator><general>Elsevier Ltd</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20170106</creationdate><title>Characterizing the effective bandwidth of tri-stable energy harvesters</title><author>Panyam, Meghashyam ; Daqaq, Mohammed F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c325t-f7174d268d27df7ee5e8f6827f7f8c02a636e5caec3d9759bd17b63c0974bb5b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Bandwidths</topic><topic>Bifurcations</topic><topic>Design parameters</topic><topic>Dynamic response</topic><topic>Dynamic stability</topic><topic>Effectiveness</topic><topic>Electrical equipment</topic><topic>Energy</topic><topic>Energy harvesting</topic><topic>Experiments</topic><topic>Harvesters</topic><topic>Mathematical analysis</topic><topic>Multiscale analysis</topic><topic>Nonlinear dynamics</topic><topic>Parameter identification</topic><topic>Potential energy</topic><topic>Stability analysis</topic><topic>Time constant</topic><topic>Tri-stable harvesters</topic><topic>Vibratory energy harvesting</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Panyam, Meghashyam</creatorcontrib><creatorcontrib>Daqaq, Mohammed F.</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of sound and vibration</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Panyam, Meghashyam</au><au>Daqaq, Mohammed F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterizing the effective bandwidth of tri-stable energy harvesters</atitle><jtitle>Journal of sound and vibration</jtitle><date>2017-01-06</date><risdate>2017</risdate><volume>386</volume><spage>336</spage><epage>358</epage><pages>336-358</pages><issn>0022-460X</issn><eissn>1095-8568</eissn><abstract>Recently, it has been shown that nonlinear vibratory energy harvesters possessing a tri-stable potential function are capable of harvesting energy efficiently over a wider range of frequencies in comparison to harvesters with a double-well potential function. However, the effect of the design parameters of the harvester on the dynamic response and the effective bandwidth of such devices remains uninvestigated. To fill this void, this paper establishes an analytical approach to characterize the effective frequency bandwidth of harvesters that possess a hexic potential energy function. To achieve this goal, the method of multiple scales is utilized to construct analytical solutions describing the amplitude and stability of the intra- and inter-well dynamics of the harvester. Using these solutions, critical bifurcations in the parameter's space are identified and used to define an effective frequency bandwidth of the harvester. The influence of the electric parameters, namely, the time constant ratio (ratio between the period of the mechanical system and the time constant of the harvesting circuit) and the electromechanical coupling, on the effective frequency bandwidth is analyzed. 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subjects | Bandwidths Bifurcations Design parameters Dynamic response Dynamic stability Effectiveness Electrical equipment Energy Energy harvesting Experiments Harvesters Mathematical analysis Multiscale analysis Nonlinear dynamics Parameter identification Potential energy Stability analysis Time constant Tri-stable harvesters Vibratory energy harvesting |
title | Characterizing the effective bandwidth of tri-stable energy harvesters |
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