{"id":"https://openalex.org/W2040034880","doi":"https://doi.org/10.1017/s0263574797000313","title":"Intelligent seam tracking using ultrasonic sensors forrobotic welding","display_name":"Intelligent seam tracking using ultrasonic sensors forrobotic welding","publication_year":1997,"publication_date":"1997-05-01","ids":{"openalex":"https://openalex.org/W2040034880","doi":"https://doi.org/10.1017/s0263574797000313","mag":"2040034880"},"language":"en","primary_location":{"id":"doi:10.1017/s0263574797000313","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0263574797000313","pdf_url":null,"source":{"id":"https://openalex.org/S92163612","display_name":"Robotica","issn_l":"0263-5747","issn":["0263-5747","1469-8668"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Robotica","raw_type":"journal-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":"https://openalex.org/A5060680187","display_name":"Ajay Mahajan","orcid":"https://orcid.org/0000-0003-0193-3622"},"institutions":[{"id":"https://openalex.org/I147276918","display_name":"Lake Superior State University","ror":"https://ror.org/00yeysh84","country_code":"US","type":"education","lineage":["https://openalex.org/I147276918"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Ajay Mahajan","raw_affiliation_strings":["Department of Mechanical Engineering, Lake Superior State University, Sault Ste. Marie, MI 49783, USA","Department of Mechanical Engineering, Lake Superior State University, Sault Ste. Marie, MI 49783, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Lake Superior State University, Sault Ste. Marie, MI 49783, USA","institution_ids":["https://openalex.org/I147276918"]},{"raw_affiliation_string":"Department of Mechanical Engineering, Lake Superior State University, Sault Ste. Marie, MI 49783, USA#TAB#","institution_ids":["https://openalex.org/I147276918"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101754926","display_name":"Fernando Figueroa","orcid":"https://orcid.org/0000-0002-4500-8095"},"institutions":[{"id":"https://openalex.org/I114832834","display_name":"Tulane University","ror":"https://ror.org/04vmvtb21","country_code":"US","type":"education","lineage":["https://openalex.org/I114832834"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Fernando Figueroa","raw_affiliation_strings":["Department of Mechanical Engineering, Tulane University, New Orleans, LA 70118, USA","Department of Mechanical Engineering Tulane University New Orleans, LA 70118, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Tulane University, New Orleans, LA 70118, USA","institution_ids":["https://openalex.org/I114832834"]},{"raw_affiliation_string":"Department of Mechanical Engineering Tulane University New Orleans, LA 70118, USA","institution_ids":["https://openalex.org/I114832834"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5060680187"],"corresponding_institution_ids":["https://openalex.org/I147276918"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":61,"citation_normalized_percentile":{"value":0.17752891,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"15","issue":"3","first_page":"275","last_page":"281"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10834","display_name":"Welding Techniques and Residual Stresses","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T10834","display_name":"Welding Techniques and Residual Stresses","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T12169","display_name":"Non-Destructive Testing Techniques","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.9912999868392944,"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/ultrasonic-sensor","display_name":"Ultrasonic sensor","score":0.774803876876831},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.6377151608467102},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5994647741317749},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5935289859771729},{"id":"https://openalex.org/keywords/welding","display_name":"Welding","score":0.5733210444450378},{"id":"https://openalex.org/keywords/torch","display_name":"Torch","score":0.49627310037612915},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.44796234369277954},{"id":"https://openalex.org/keywords/robot-welding","display_name":"Robot welding","score":0.41745007038116455},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41400110721588135},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.39718854427337646},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.3436574637889862},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.24915099143981934},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.13067951798439026}],"concepts":[{"id":"https://openalex.org/C81288441","wikidata":"https://www.wikidata.org/wiki/Q20736125","display_name":"Ultrasonic sensor","level":2,"score":0.774803876876831},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.6377151608467102},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5994647741317749},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5935289859771729},{"id":"https://openalex.org/C19474535","wikidata":"https://www.wikidata.org/wiki/Q131172","display_name":"Welding","level":2,"score":0.5733210444450378},{"id":"https://openalex.org/C946207","wikidata":"https://www.wikidata.org/wiki/Q327954","display_name":"Torch","level":3,"score":0.49627310037612915},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.44796234369277954},{"id":"https://openalex.org/C118198166","wikidata":"https://www.wikidata.org/wiki/Q2327264","display_name":"Robot welding","level":3,"score":0.41745007038116455},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41400110721588135},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.39718854427337646},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.3436574637889862},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.24915099143981934},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.13067951798439026},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1017/s0263574797000313","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0263574797000313","pdf_url":null,"source":{"id":"https://openalex.org/S92163612","display_name":"Robotica","issn_l":"0263-5747","issn":["0263-5747","1469-8668"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Robotica","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8100000023841858,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1979949871","https://openalex.org/W2036685287","https://openalex.org/W2057271392","https://openalex.org/W2130514395","https://openalex.org/W2572893388"],"related_works":["https://openalex.org/W4320802672","https://openalex.org/W2314242596","https://openalex.org/W2375474165","https://openalex.org/W2177165159","https://openalex.org/W2600962373","https://openalex.org/W2969366228","https://openalex.org/W2169562019","https://openalex.org/W4293237796","https://openalex.org/W2353488008","https://openalex.org/W2368570943"],"abstract_inverted_index":{"This":[0,195],"paper":[1],"presents":[2],"a":[3,24,30,70,74,104,133,184,222],"novel":[4],"approach":[5],"for":[6,19],"seam":[7,13,25,34,117,134],"tracking":[8,14],"using":[9,63,177,205],"ultrasonics.":[10],"An":[11],"ultrasonic":[12,65,196],"system":[15,152,174,197,236],"has":[16,153],"been":[17,154],"developed":[18],"robotic":[20],"welding":[21,100,168],"which":[22],"tracks":[23],"that":[26,78,147],"curves":[27],"freely":[28],"on":[29,73,93],"two-dimensional":[31],"surface.":[32,58],"The":[33,89,151,170,235],"is":[35,60,82,91,115,132,157,221],"detected":[36],"by":[37,62,165],"scanning":[38],"the":[39,43,47,50,56,79,83,86,94,99,111,119,124,138,149,161,166,173],"area":[40],"ahead":[41,97],"of":[42,49,98,110,123,137,148,172,228],"torch":[44,101],"and":[45,69,102,156,187,190,207,220,248],"monitoring":[46],"amplitude":[48],"waves":[51,126,140],"received":[52],"after":[53,127],"reflection":[54],"from":[55,176],"workpiece":[57],"Scanning":[59],"accomplished":[61],"two":[64],"sensors":[66],"(a":[67],"transmitter":[68,80],"receiver)":[71],"mounted":[72,92],"stepper":[75],"motor":[76,90],"such":[77,180],"angle":[81],"same":[84],"as":[85,181,230,232],"receiver":[87,120],"angle.":[88],"end-effector":[95],"just":[96],"covers":[103],"ninety":[105],"degree":[106],"arc":[107,167],"in":[108,143,160,226],"front":[109],"torch.":[112],"If":[113],"there":[114,131],"no":[116],"then":[118,135],"receives":[121],"most":[122,136],"transmitted":[125,139],"reflection,":[128],"but":[129],"if":[130],"are":[141],"dispersed":[142],"directions":[144],"other":[145,208],"than":[146,244],"receiver.":[150],"tested":[155],"very":[158,217,223],"robust":[159],"harsh":[162],"environments":[163],"generated":[164],"process.":[169],"robustness":[171],"stems":[175],"various":[178],"schemes":[179],"time":[182],"windowing,":[183],"waveguide,":[185],"air":[186],"metal":[188],"shields,":[189],"an":[191],"intelligent":[192],"sensor":[193],"manager.":[194],"offers":[198],"some":[199],"distinct":[200],"advantages":[201],"over":[202],"traditional":[203],"systems":[204],"vision":[206],"sensing":[209],"techniques.":[210],"It":[211],"can":[212,237],"be":[213,238],"used":[214,239],"to":[215,240],"weld":[216],"shiny":[218],"surfaces,":[219],"economical":[224],"method":[225],"terms":[227],"cost":[229],"well":[231],"computational":[233],"intensity.":[234],"detect":[241],"seams":[242],"less":[243],"0.5":[245,249],"mm":[246,250],"wide":[247],"deep.":[251]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-05-21T09:19:25.381259","created_date":"2025-10-10T00:00:00"}