{"id":"https://openalex.org/W7125200464","doi":"https://doi.org/10.3390/math14020361","title":"Feedback-Controlled Manipulation of Multiple Defect Bands of Phononic Crystals with Segmented Piezoelectric Sensor\u2013Actuator Array","display_name":"Feedback-Controlled Manipulation of Multiple Defect Bands of Phononic Crystals with Segmented Piezoelectric Sensor\u2013Actuator Array","publication_year":2026,"publication_date":"2026-01-21","ids":{"openalex":"https://openalex.org/W7125200464","doi":"https://doi.org/10.3390/math14020361"},"language":"en","primary_location":{"id":"doi:10.3390/math14020361","doi":"https://doi.org/10.3390/math14020361","is_oa":true,"landing_page_url":"https://doi.org/10.3390/math14020361","pdf_url":"https://www.mdpi.com/2227-7390/14/2/361/pdf?version=1769006442","source":{"id":"https://openalex.org/S4210192031","display_name":"Mathematics","issn_l":"2227-7390","issn":["2227-7390"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mathematics","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2227-7390/14/2/361/pdf?version=1769006442","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5055579210","display_name":"Soo-Ho Jo","orcid":"https://orcid.org/0000-0002-5124-8300","observed_orcids":["https://orcid.org/0000-0002-5124-8300"]},"institutions":[{"id":"https://openalex.org/I205490536","display_name":"Dongguk University","ror":"https://ror.org/057q6n778","country_code":"KR","type":"education","lineage":["https://openalex.org/I205490536"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Soo-Ho Jo","raw_affiliation_strings":["Department of Mechanical, Robotics, and Energy Engineering, Dongguk University, Seoul 04620, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-5124-8300","affiliations":[{"raw_affiliation_string":"Department of Mechanical, Robotics, and Energy Engineering, Dongguk University, Seoul 04620, Republic of Korea","institution_ids":["https://openalex.org/I205490536"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5055579210"],"corresponding_institution_ids":["https://openalex.org/I205490536"],"apc_list":{"value":2600,"currency":"CHF","value_usd":3137},"apc_paid":{"value":2600,"currency":"CHF","value_usd":3137},"fwci":1.789,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.78003932,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":"14","issue":"2","first_page":"361","last_page":"361"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11262","display_name":"Quantum Mechanics and Non-Hermitian Physics","score":0.002899999963119626,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.0024999999441206455,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/phononic-crystals","display_name":"phononic crystals","score":0.9959999918937683},{"id":"https://openalex.org/keywords/defect-modes","display_name":"defect modes","score":0.9300000071525574},{"id":"https://openalex.org/keywords/feedback-control","display_name":"feedback control","score":0.8199999928474426},{"id":"https://openalex.org/keywords/exceptional-points","display_name":"exceptional points","score":0.753000020980835},{"id":"https://openalex.org/keywords/transfer-matrix-method","display_name":"transfer matrix method","score":0.7609999775886536},{"id":"https://openalex.org/keywords/effective-damping","display_name":"effective damping","score":0.5109999775886536},{"id":"https://openalex.org/keywords/wave-filtering","display_name":"wave filtering","score":0.5220000147819519}],"concepts":[{"id":"https://openalex.org/C100082104","wikidata":"https://www.wikidata.org/wiki/Q183759","display_name":"Piezoelectricity","level":2,"score":0.7641000151634216},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5881999731063843},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.5339000225067139},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5293999910354614},{"id":"https://openalex.org/C2779372316","wikidata":"https://www.wikidata.org/wiki/Q569057","display_name":"Stiffness","level":2,"score":0.5},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.4846999943256378},{"id":"https://openalex.org/C177562468","wikidata":"https://www.wikidata.org/wiki/Q182893","display_name":"Dispersion (optics)","level":2,"score":0.47380000352859497},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.40860000252723694},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.40860000252723694},{"id":"https://openalex.org/C3018651601","wikidata":"https://www.wikidata.org/wiki/Q183635","display_name":"Feedback control","level":2,"score":0.4041999876499176},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.38370001316070557},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.35920000076293945},{"id":"https://openalex.org/C175066939","wikidata":"https://www.wikidata.org/wiki/Q3002819","display_name":"Acoustic metamaterials","level":3,"score":0.34470000863075256},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3149999976158142},{"id":"https://openalex.org/C2988173416","wikidata":"https://www.wikidata.org/wiki/Q37172","display_name":"Traveling wave","level":2,"score":0.3125},{"id":"https://openalex.org/C81288441","wikidata":"https://www.wikidata.org/wiki/Q20736125","display_name":"Ultrasonic sensor","level":2,"score":0.3068999946117401},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2987000048160553},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2915000021457672},{"id":"https://openalex.org/C186886427","wikidata":"https://www.wikidata.org/wiki/Q5441213","display_name":"Feedback loop","level":2,"score":0.27959999442100525},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.27230000495910645},{"id":"https://openalex.org/C17500928","wikidata":"https://www.wikidata.org/wiki/Q959968","display_name":"Control system","level":2,"score":0.2685999870300293},{"id":"https://openalex.org/C173677008","wikidata":"https://www.wikidata.org/wiki/Q2094637","display_name":"Piezoelectric sensor","level":3,"score":0.26190000772476196}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/math14020361","doi":"https://doi.org/10.3390/math14020361","is_oa":true,"landing_page_url":"https://doi.org/10.3390/math14020361","pdf_url":"https://www.mdpi.com/2227-7390/14/2/361/pdf?version=1769006442","source":{"id":"https://openalex.org/S4210192031","display_name":"Mathematics","issn_l":"2227-7390","issn":["2227-7390"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mathematics","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:578fa57e51c1491b83cf012430deb11c","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/578fa57e51c1491b83cf012430deb11c","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Mathematics, Vol 14, Iss 2, p 361 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/math14020361","doi":"https://doi.org/10.3390/math14020361","is_oa":true,"landing_page_url":"https://doi.org/10.3390/math14020361","pdf_url":"https://www.mdpi.com/2227-7390/14/2/361/pdf?version=1769006442","source":{"id":"https://openalex.org/S4210192031","display_name":"Mathematics","issn_l":"2227-7390","issn":["2227-7390"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mathematics","raw_type":"journal-article"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G7957681966","display_name":null,"funder_award_id":"2022R1I1A1A01056406","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"}],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7125200464.pdf","grobid_xml":"https://content.openalex.org/works/W7125200464.grobid-xml"},"referenced_works_count":54,"referenced_works":["https://openalex.org/W2605096968","https://openalex.org/W2782827293","https://openalex.org/W2789790776","https://openalex.org/W3093882852","https://openalex.org/W3112355898","https://openalex.org/W3140624202","https://openalex.org/W3142275762","https://openalex.org/W3171179500","https://openalex.org/W3175646650","https://openalex.org/W3211221622","https://openalex.org/W4206806719","https://openalex.org/W4211129112","https://openalex.org/W4220963793","https://openalex.org/W4224241883","https://openalex.org/W4292401299","https://openalex.org/W4309530605","https://openalex.org/W4313325242","https://openalex.org/W4313893170","https://openalex.org/W4315631945","https://openalex.org/W4323318341","https://openalex.org/W4367367335","https://openalex.org/W4381618434","https://openalex.org/W4388654670","https://openalex.org/W4388673523","https://openalex.org/W4388996316","https://openalex.org/W4389083483","https://openalex.org/W4389522602","https://openalex.org/W4391464620","https://openalex.org/W4391752812","https://openalex.org/W4391785532","https://openalex.org/W4391965685","https://openalex.org/W4393307059","https://openalex.org/W4393442000","https://openalex.org/W4395002677","https://openalex.org/W4399119179","https://openalex.org/W4399356759","https://openalex.org/W4400485371","https://openalex.org/W4400523408","https://openalex.org/W4401422858","https://openalex.org/W4402772997","https://openalex.org/W4403965058","https://openalex.org/W4405045911","https://openalex.org/W4406256331","https://openalex.org/W4406452376","https://openalex.org/W4407203210","https://openalex.org/W4409829339","https://openalex.org/W4409870978","https://openalex.org/W4410782028","https://openalex.org/W4411164098","https://openalex.org/W4411823936","https://openalex.org/W4411847137","https://openalex.org/W4414338837","https://openalex.org/W4414484919","https://openalex.org/W4417260114"],"related_works":[],"abstract_inverted_index":{"Defect":[0],"modes":[1],"in":[2,193],"phononic":[3],"crystals":[4],"(PnCs)":[5],"provide":[6],"strongly":[7],"localized":[8],"resonances":[9],"that":[10,53,85,113,178],"are":[11],"essential":[12],"for":[13,57,120],"frequency-dependent":[14],"wave":[15,191],"filtering":[16],"and":[17,107,122,134,184],"highly":[18],"sensitive":[19],"sensing.":[20],"Their":[21],"functionality":[22],"increases":[23],"greatly":[24],"when":[25],"their":[26],"spectral":[27],"characteristics":[28],"can":[29,66],"be":[30,67],"externally":[31],"tuned":[32],"without":[33],"altering":[34],"the":[35,90,127],"structural":[36],"configuration.":[37],"However,":[38],"existing":[39],"feedback":[40,88,102,115,142,180],"control":[41,192],"strategies":[42],"rely":[43],"on":[44],"laminated":[45],"piezoelectric":[46,82,194],"defects,":[47],"which":[48,70],"have":[49],"uniform":[50],"electromechanical":[51],"loading":[52],"causes":[54],"voltage":[55],"cancellation":[56],"even-symmetric":[58,123],"defect":[59,64,91,132],"modes.":[60,124],"Consequently,":[61],"only":[62],"odd-symmetric":[63],"bands":[65,133],"manipulated":[68],"effectively,":[69],"limits":[71],"multi-band":[72],"tunability.":[73],"To":[74],"overcome":[75],"this":[76],"constraint,":[77],"we":[78],"propose":[79],"a":[80,95,150],"segmented":[81],"sensor\u2013actuator":[83],"design":[84],"enables":[86,126],"symmetry-dependent":[87],"at":[89],"site.":[92],"We":[93],"develop":[94],"transfer-matrix":[96],"analytical":[97,155],"framework":[98],"to":[99,187],"incorporate":[100],"complex-valued":[101],"gains":[103],"directly":[104],"into":[105],"dispersion":[106],"transmission":[108],"calculations.":[109],"Analytical":[110],"predictions":[111],"demonstrate":[112,177],"real-valued":[114],"yields":[116],"opposite":[117],"stiffness":[118,144],"modifications":[119],"odd-":[121],"This":[125],"simultaneous":[128],"tuning":[129],"of":[130,160,173],"both":[131],"induces":[135],"an":[136,182],"exceptional-point-like":[137],"coalescence.":[138],"In":[139],"contrast,":[140],"imaginary":[141],"preserves":[143],"but":[145],"modulates":[146],"effective":[147],"damping,":[148],"generating":[149],"parity-dependent":[151],"amplification-suppression":[152],"response.":[153],"The":[154],"results":[156],"closely":[157],"match":[158],"those":[159],"fully":[161],"coupled":[162],"finite-element":[163],"simulations,":[164],"reducing":[165],"computation":[166],"time":[167],"by":[168],"more":[169],"than":[170],"two":[171],"orders":[172],"magnitude.":[174],"These":[175],"findings":[176],"segmentation-enabled":[179],"provides":[181],"efficient":[183],"scalable":[185],"approach":[186],"tunable,":[188],"multi-band,":[189],"non-Hermitian":[190],"PnCs.":[195]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-09-17T07:59:56.861425","created_date":"2026-01-22T00:00:00"}