{"id":"https://openalex.org/W4407404689","doi":"https://doi.org/10.1109/sii59315.2025.10871035","title":"Elastic Telescopic Arm Extension/Contraction Mechanism using a Helically Grooved Flexible Conduit","display_name":"Elastic Telescopic Arm Extension/Contraction Mechanism using a Helically Grooved Flexible Conduit","publication_year":2025,"publication_date":"2025-01-21","ids":{"openalex":"https://openalex.org/W4407404689","doi":"https://doi.org/10.1109/sii59315.2025.10871035"},"language":"en","primary_location":{"id":"doi:10.1109/sii59315.2025.10871035","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sii59315.2025.10871035","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE/SICE International Symposium on System Integration (SII)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Yuji Fujitsuka","orcid":null},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]},{"id":"https://openalex.org/I4400009020","display_name":"Institute of Science Tokyo","ror":"https://ror.org/05dqf9946","country_code":null,"type":"education","lineage":["https://openalex.org/I4400009020"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuji Fujitsuka","raw_affiliation_strings":["Institute of Science Tokyo,School of Engineering,Department of Mechanical Engineering,Meguroku, Tokyo,Japan,152-8550"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Science Tokyo,School of Engineering,Department of Mechanical Engineering,Meguroku, Tokyo,Japan,152-8550","institution_ids":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048718024","display_name":"R. Kiyohara","orcid":null},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]},{"id":"https://openalex.org/I4400009020","display_name":"Institute of Science Tokyo","ror":"https://ror.org/05dqf9946","country_code":null,"type":"education","lineage":["https://openalex.org/I4400009020"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryosuke Kiyohara","raw_affiliation_strings":["Institute of Science Tokyo,School of Engineering,Department of Mechanical Engineering,Meguroku, Tokyo,Japan,152-8550"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Science Tokyo,School of Engineering,Department of Mechanical Engineering,Meguroku, Tokyo,Japan,152-8550","institution_ids":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047361353","display_name":"Toshiya Nagai","orcid":null},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]},{"id":"https://openalex.org/I4400009020","display_name":"Institute of Science Tokyo","ror":"https://ror.org/05dqf9946","country_code":null,"type":"education","lineage":["https://openalex.org/I4400009020"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshiya Nagai","raw_affiliation_strings":["Institute of Science Tokyo,School of Engineering,Department of Mechanical Engineering,Meguroku, Tokyo,Japan,152-8550"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Science Tokyo,School of Engineering,Department of Mechanical Engineering,Meguroku, Tokyo,Japan,152-8550","institution_ids":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076855107","display_name":"Hideharu Takahashi","orcid":"https://orcid.org/0000-0002-5483-1331"},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]},{"id":"https://openalex.org/I4400009020","display_name":"Institute of Science Tokyo","ror":"https://ror.org/05dqf9946","country_code":null,"type":"education","lineage":["https://openalex.org/I4400009020"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hideharu Takahashi","raw_affiliation_strings":["Institute of Science Tokyo,School of Engineering,Department of Mechanical Engineering,Meguroku, Tokyo,Japan,152-8550"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Science Tokyo,School of Engineering,Department of Mechanical Engineering,Meguroku, Tokyo,Japan,152-8550","institution_ids":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036468828","display_name":"Hiroshige Kikura","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hiroshige Kikura","raw_affiliation_strings":["Institute of Integrated Research, Institute of Science Tokyo,Laboratory for Zero-Carbon Energy,Meguroku, Tokyo,Japan,152-8550"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Integrated Research, Institute of Science Tokyo,Laboratory for Zero-Carbon Energy,Meguroku, Tokyo,Japan,152-8550","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021539241","display_name":"Gen Endo","orcid":"https://orcid.org/0000-0001-7958-5395"},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]},{"id":"https://openalex.org/I4400009020","display_name":"Institute of Science Tokyo","ror":"https://ror.org/05dqf9946","country_code":null,"type":"education","lineage":["https://openalex.org/I4400009020"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Gen Endo","raw_affiliation_strings":["Institute of Science Tokyo,School of Engineering,Department of Mechanical Engineering,Meguroku, Tokyo,Japan,152-8550"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Science Tokyo,School of Engineering,Department of Mechanical Engineering,Meguroku, Tokyo,Japan,152-8550","institution_ids":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4905,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.58962246,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"96","last_page":"102"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10868","display_name":"Soft Robotics and Applications","score":0.9729999899864197,"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/T10868","display_name":"Soft Robotics and Applications","score":0.9729999899864197,"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/T10571","display_name":"Robotic Mechanisms and Dynamics","score":0.9697999954223633,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T10653","display_name":"Robot Manipulation and Learning","score":0.9693999886512756,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"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/electrical-conduit","display_name":"Electrical conduit","score":0.7503478527069092},{"id":"https://openalex.org/keywords/contraction","display_name":"Contraction (grammar)","score":0.5653578042984009},{"id":"https://openalex.org/keywords/mechanism","display_name":"Mechanism (biology)","score":0.5157178044319153},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.4932648539543152},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4416342079639435},{"id":"https://openalex.org/keywords/structural-engineering","display_name":"Structural engineering","score":0.3937496542930603},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.3550233542919159},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.26703503727912903},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2431180477142334},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13898912072181702},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.07424920797348022}],"concepts":[{"id":"https://openalex.org/C89836073","wikidata":"https://www.wikidata.org/wiki/Q1719631","display_name":"Electrical conduit","level":2,"score":0.7503478527069092},{"id":"https://openalex.org/C163415756","wikidata":"https://www.wikidata.org/wiki/Q126473","display_name":"Contraction (grammar)","level":2,"score":0.5653578042984009},{"id":"https://openalex.org/C89611455","wikidata":"https://www.wikidata.org/wiki/Q6804646","display_name":"Mechanism (biology)","level":2,"score":0.5157178044319153},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.4932648539543152},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4416342079639435},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.3937496542930603},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3550233542919159},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.26703503727912903},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2431180477142334},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13898912072181702},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.07424920797348022},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/sii59315.2025.10871035","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sii59315.2025.10871035","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE/SICE International Symposium on System Integration (SII)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2416789059","https://openalex.org/W2785567036","https://openalex.org/W2912795814","https://openalex.org/W4220744349","https://openalex.org/W4293094904","https://openalex.org/W4388308926","https://openalex.org/W4390171405","https://openalex.org/W4391932957"],"related_works":["https://openalex.org/W2435707750","https://openalex.org/W2385261142","https://openalex.org/W2353435810","https://openalex.org/W2354004898","https://openalex.org/W2339061914","https://openalex.org/W4401187512","https://openalex.org/W1558035940","https://openalex.org/W13026669","https://openalex.org/W4407162635","https://openalex.org/W1668164903"],"abstract_inverted_index":{"Thin":[0],"and":[1,21,79,85,120,156,162],"long-reach":[2,60],"arms":[3,63],"are":[4,64],"effective":[5],"for":[6,17,30],"the":[7,10,36,39,54,73,77,108,111,136,146],"decommissioning":[8],"of":[9,38,56,76,135],"Fukushima":[11],"Daiichi":[12],"Nuclear":[13],"Power":[14],"Plant,":[15],"particularly":[16],"measuring":[18],"in-vessel":[19],"structures":[20],"removing":[22],"fuel":[23],"debris.":[24],"Currently,":[25],"there":[26],"is":[27,113,130],"a":[28,45,57,68,98,104,121],"need":[29],"an":[31,93,116,163],"arm":[32,48,139,147],"that":[33,96,123],"can":[34,124],"investigate":[35],"bottom":[37],"reactor":[40],"pressure":[41],"vessel":[42],"by":[43],"attaching":[44],"vertically":[46],"extending":[47,59],"equipped":[49],"with":[50],"investigation":[51],"equipment":[52],"to":[53,66,127],"tip":[55],"horizontally":[58,150],"arm.":[61],"Telescopic":[62],"expected":[65],"provide":[67],"high":[69],"extension-to-contraction":[70],"ratio,":[71],"reduce":[72],"installation":[74],"space":[75],"arm,":[78,119],"enable":[80],"entry":[81],"into":[82,115],"narrow":[83],"spaces":[84],"wide-area":[86],"observation.":[87],"In":[88],"this":[89],"paper,":[90],"we":[91],"propose":[92],"extension/contraction":[94],"mechanism":[95],"uses":[97],"helically":[99],"grooved":[100],"flexible":[101],"conduit":[102,112],"as":[103],"feed":[105],"screw.":[106],"Using":[107],"proposed":[109],"mechanism,":[110],"fed":[114],"elastically":[117],"bendable":[118],"prototype":[122],"extend/contract":[125],"up":[126],"8.6":[128],"m":[129],"developed.":[131],"The":[132],"fundamental":[133],"performance":[134],"elastic":[137],"telescopic":[138],"was":[140,148],"evaluated":[141],"through":[142],"experiments":[143],"in":[144],"which":[145],"extended/contracted":[149],"(0":[151],"deg),":[152,155,159],"tilted":[153],"(45":[154],"upward":[157],"(90":[158],"payload":[160],"experiments,":[161],"external":[164],"environment":[165],"interference":[166],"experiment.":[167]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}