{"id":"https://openalex.org/W4321380765","doi":"https://doi.org/10.1109/tim.2023.3246530","title":"On Identifying Natural Frequencies in the JAST80 Telescope and Validation With a Simplified 3-D Model","display_name":"On Identifying Natural Frequencies in the JAST80 Telescope and Validation With a Simplified 3-D Model","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4321380765","doi":"https://doi.org/10.1109/tim.2023.3246530"},"language":"en","primary_location":{"id":"doi:10.1109/tim.2023.3246530","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/tim.2023.3246530","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Instrumentation and Measurement","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://zaguan.unizar.es/record/130192/files/texto_completo.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5055019735","display_name":"Fernando Arranz Mart\u00ednez","orcid":"https://orcid.org/0000-0001-5517-5180"},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Fernando Arranz","raw_affiliation_strings":["Electronic Engineering and Communications Department, University of Zaragoza, Teruel, Spain"],"raw_orcid":"https://orcid.org/0000-0001-5517-5180","affiliations":[{"raw_affiliation_string":"Electronic Engineering and Communications Department, University of Zaragoza, Teruel, Spain","institution_ids":["https://openalex.org/I255234318"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021498324","display_name":"Javier Abad","orcid":"https://orcid.org/0000-0002-8411-1247"},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Javier Abad","raw_affiliation_strings":["Mechanical Engineering Department, University of Zaragoza, Zaragoza, Spain"],"raw_orcid":"https://orcid.org/0000-0002-8411-1247","affiliations":[{"raw_affiliation_string":"Mechanical Engineering Department, University of Zaragoza, Zaragoza, Spain","institution_ids":["https://openalex.org/I255234318"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101455155","display_name":"Pedro Ramos","orcid":"https://orcid.org/0000-0002-9508-7078"},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Pedro Ramos","raw_affiliation_strings":["Electronic Engineering and Communications Department, University of Zaragoza, Teruel, Spain"],"raw_orcid":"https://orcid.org/0000-0002-9508-7078","affiliations":[{"raw_affiliation_string":"Electronic Engineering and Communications Department, University of Zaragoza, Teruel, Spain","institution_ids":["https://openalex.org/I255234318"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062882033","display_name":"Samuel Bielsa","orcid":"https://orcid.org/0000-0003-4354-7375"},"institutions":[{"id":"https://openalex.org/I4210121214","display_name":"Centro de Estudios de F\u00edsica del Cosmos de Arag\u00f3n","ror":"https://ror.org/01wng0g34","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210121214"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Samuel Bielsa","raw_affiliation_strings":["Observatorio Astrof&#x00ED;sico de Javalambre (OAJ), Centro de Estudios de F&#x00ED;sica del Cosmos de Arag&#x00F3;n, Teruel, Spain"],"raw_orcid":"https://orcid.org/0000-0003-4354-7375","affiliations":[{"raw_affiliation_string":"Observatorio Astrof&#x00ED;sico de Javalambre (OAJ), Centro de Estudios de F&#x00ED;sica del Cosmos de Arag&#x00F3;n, Teruel, Spain","institution_ids":["https://openalex.org/I4210121214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001252433","display_name":"A. Yanes-D\u00edaz","orcid":"https://orcid.org/0000-0002-8920-3597"},"institutions":[{"id":"https://openalex.org/I4210121214","display_name":"Centro de Estudios de F\u00edsica del Cosmos de Arag\u00f3n","ror":"https://ror.org/01wng0g34","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210121214"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Axel Yanes-D\u00edaz","raw_affiliation_strings":["Observatorio Astrof&#x00ED;sico de Javalambre (OAJ), Centro de Estudios de F&#x00ED;sica del Cosmos de Arag&#x00F3;n, Teruel, Spain"],"raw_orcid":"https://orcid.org/0000-0002-8920-3597","affiliations":[{"raw_affiliation_string":"Observatorio Astrof&#x00ED;sico de Javalambre (OAJ), Centro de Estudios de F&#x00ED;sica del Cosmos de Arag&#x00F3;n, Teruel, Spain","institution_ids":["https://openalex.org/I4210121214"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044652806","display_name":"Guillermo Palacios-Navarro","orcid":"https://orcid.org/0000-0002-9408-1280"},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Guillermo Palacios-Navarro","raw_affiliation_strings":["Electronic Engineering and Communications Department, University of Zaragoza, Teruel, Spain"],"raw_orcid":"https://orcid.org/0000-0002-9408-1280","affiliations":[{"raw_affiliation_string":"Electronic Engineering and Communications Department, University of Zaragoza, Teruel, Spain","institution_ids":["https://openalex.org/I255234318"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.176,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.45506534,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"72","issue":null,"first_page":"1","last_page":"13"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.9993000030517578,"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"}},"topics":[{"id":"https://openalex.org/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.9993000030517578,"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/T12917","display_name":"Astronomy and Astrophysical Research","score":0.9839000105857849,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.9724000096321106,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/finite-element-method","display_name":"Finite element method","score":0.7395774126052856},{"id":"https://openalex.org/keywords/telescope","display_name":"Telescope","score":0.7360759377479553},{"id":"https://openalex.org/keywords/vibration","display_name":"Vibration","score":0.7299773693084717},{"id":"https://openalex.org/keywords/natural-frequency","display_name":"Natural frequency","score":0.7186906337738037},{"id":"https://openalex.org/keywords/accelerometer","display_name":"Accelerometer","score":0.6410230398178101},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.5462065935134888},{"id":"https://openalex.org/keywords/actuator","display_name":"Actuator","score":0.53005051612854},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.43690311908721924},{"id":"https://openalex.org/keywords/instrumentation","display_name":"Instrumentation (computer programming)","score":0.43160688877105713},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.36589911580085754},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.28756558895111084},{"id":"https://openalex.org/keywords/structural-engineering","display_name":"Structural engineering","score":0.28534045815467834},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2559080123901367},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.14787861704826355}],"concepts":[{"id":"https://openalex.org/C135628077","wikidata":"https://www.wikidata.org/wiki/Q220184","display_name":"Finite element method","level":2,"score":0.7395774126052856},{"id":"https://openalex.org/C2780848835","wikidata":"https://www.wikidata.org/wiki/Q4213","display_name":"Telescope","level":2,"score":0.7360759377479553},{"id":"https://openalex.org/C198394728","wikidata":"https://www.wikidata.org/wiki/Q3695508","display_name":"Vibration","level":2,"score":0.7299773693084717},{"id":"https://openalex.org/C78736273","wikidata":"https://www.wikidata.org/wiki/Q946764","display_name":"Natural frequency","level":3,"score":0.7186906337738037},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.6410230398178101},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.5462065935134888},{"id":"https://openalex.org/C172707124","wikidata":"https://www.wikidata.org/wiki/Q423488","display_name":"Actuator","level":2,"score":0.53005051612854},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.43690311908721924},{"id":"https://openalex.org/C118530786","wikidata":"https://www.wikidata.org/wiki/Q1134732","display_name":"Instrumentation (computer programming)","level":2,"score":0.43160688877105713},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.36589911580085754},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.28756558895111084},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.28534045815467834},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2559080123901367},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.14787861704826355},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tim.2023.3246530","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/tim.2023.3246530","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Instrumentation and Measurement","raw_type":"journal-article"},{"id":"pmh:oai:zaguan.unizar.es:130192","is_oa":true,"landing_page_url":"http://zaguan.unizar.es/record/130192","pdf_url":"https://zaguan.unizar.es/record/130192/files/texto_completo.pdf","source":{"id":"https://openalex.org/S4306401812","display_name":"Zaguan (University of Zaragoza Repository)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I255234318","host_organization_name":"Universidad de Zaragoza","host_organization_lineage":["https://openalex.org/I255234318"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:zaguan.unizar.es:130192","is_oa":true,"landing_page_url":"http://zaguan.unizar.es/record/130192","pdf_url":"https://zaguan.unizar.es/record/130192/files/texto_completo.pdf","source":{"id":"https://openalex.org/S4306401812","display_name":"Zaguan (University of Zaragoza Repository)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I255234318","host_organization_name":"Universidad de Zaragoza","host_organization_lineage":["https://openalex.org/I255234318"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.6800000071525574,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320310181","display_name":"Institute of Clinical and Translational Sciences","ror":"https://ror.org/01yc7t268"},{"id":"https://openalex.org/F4320324111","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4321380765.pdf"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W2014168697","https://openalex.org/W2038940282","https://openalex.org/W2047672528","https://openalex.org/W2049522776","https://openalex.org/W2063948908","https://openalex.org/W2086837702","https://openalex.org/W2102372511","https://openalex.org/W2146550303","https://openalex.org/W2150240500","https://openalex.org/W2513383309","https://openalex.org/W2796394227","https://openalex.org/W2808955902","https://openalex.org/W2823955730","https://openalex.org/W2887043973","https://openalex.org/W2939660535","https://openalex.org/W2954822162","https://openalex.org/W2961892581","https://openalex.org/W3004279084","https://openalex.org/W3080243204","https://openalex.org/W3101253394","https://openalex.org/W3111673945","https://openalex.org/W3119685096","https://openalex.org/W3123413088","https://openalex.org/W3164806457","https://openalex.org/W3167808765","https://openalex.org/W4210490188","https://openalex.org/W4210868295","https://openalex.org/W4226073043","https://openalex.org/W4226175396"],"related_works":["https://openalex.org/W2765080098","https://openalex.org/W2385749422","https://openalex.org/W2009888974","https://openalex.org/W2355290145","https://openalex.org/W2353465659","https://openalex.org/W3023105672","https://openalex.org/W2355539379","https://openalex.org/W4231410700","https://openalex.org/W4237770763","https://openalex.org/W2347752811"],"abstract_inverted_index":{"The":[0,61],"instrumentation":[1],"of":[2,22,41,63,72,77,81,101,121,133,146,154,164,197,204,214,223,247,257,261,265],"professional":[3],"telescopes":[4],"is":[5,48,66,127,251,277],"very":[6],"sensitive":[7],"to":[8,67,89,159,186,272],"vibrations.":[9],"These":[10],"vibrations,":[11],"caused":[12],"by":[13,105,119,236,240],"wind,":[14],"terrain,":[15],"or":[16],"its":[17,136,205,274],"actuators,":[18],"affect":[19],"the":[20,23,33,38,42,45,58,69,73,78,82,99,102,106,115,131,134,161,165,171,178,187,192,198,209,212,215,220,224,237,241,245,248,255,259,262,266],"quality":[21,56,246],"images":[24,249],"taken.":[25],"If":[26],"vibrations":[27,103],"present":[28],"frequency":[29,174],"components":[30],"coinciding":[31],"with":[32,37,114,167,170,184],"natural":[34,70,116,221],"frequencies":[35,71,117,163,222],"associated":[36],"proper":[39],"modes":[40],"telescope":[43,80,199],"mount,":[44],"vibratory":[46,217],"response":[47,137,264],"amplified":[49],"and":[50,88,243],"cause":[51],"a":[52,91,109,122],"decrease":[53],"in":[54,108,138,230,268],"image":[55],"below":[57,182],"required":[59],"standards.":[60],"goal":[62],"our":[64],"study":[65],"identify":[68],"German":[74],"equatorial":[75],"mount":[76,200,225,267],"JAST80":[79],"Observatorio":[83],"Astrof\u00edsico":[84],"de":[85],"Javalambre":[86],"(OAJ)":[87],"validate":[90],"simplified":[92,193],"finite":[93,123],"element":[94,124],"model":[95,196],"(FEM).":[96],"In":[97],"addition,":[98],"interaction":[100],"produced":[104,239],"actuators":[107],"right":[110],"ascension":[111],"(RA)":[112],"movement":[113,149,229],"obtained":[118,169,176],"means":[120],"analysis":[125,203,213],"(FEA)":[126],"analyzed.":[128],"To":[129],"excite":[130],"structure":[132,166],"telescope,":[135],"free":[139],"vibration":[140],"after":[141],"an":[142,147,227],"unexpected":[143],"emergency":[144,269],"stop":[145,270],"RA":[148,228],"was":[150],"used.":[151],"A":[152],"setup":[153],"three":[155],"accelerometers":[156],"allowed":[157],"us":[158],"compare":[160],"excitation":[162],"those":[168],"FEA.":[172],"Natural":[173],"values":[175],"through":[177],"FEM":[179],"showed":[180],"deviations":[181],"12%":[183],"respect":[185],"experimental":[188],"values,":[189],"thus":[190],"validating":[191],"3-D":[194],"numerical":[195],"for":[201,226],"further":[202],"dynamic":[206],"behavior.":[207],"On":[208],"other":[210],"hand,":[211],"measured":[216],"indicated":[218],"that":[219],"normal":[231],"operation":[232],"were":[233],"not":[234,252],"excited":[235],"actions":[238],"actuator,":[242],"therefore,":[244],"taken":[250],"compromised.":[253],"Finally,":[254],"possibility":[256],"using":[258],"measurement":[260],"vibrational":[263],"conditions":[271],"monitor":[273],"structural":[275],"integrity":[276],"pointed":[278],"out.":[279]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2025-12-22T23:10:17.713674","created_date":"2025-10-10T00:00:00"}
