{"id":"https://openalex.org/W3013714035","doi":"https://doi.org/10.5391/ijfis.2020.20.1.1","title":"A Theoretical Approach of Astronomical Ship Positioning Using a Single Celestial Body and Secant Technique","display_name":"A Theoretical Approach of Astronomical Ship Positioning Using a Single Celestial Body and Secant Technique","publication_year":2020,"publication_date":"2020-03-30","ids":{"openalex":"https://openalex.org/W3013714035","doi":"https://doi.org/10.5391/ijfis.2020.20.1.1","mag":"3013714035"},"language":"en","primary_location":{"id":"doi:10.5391/ijfis.2020.20.1.1","doi":"https://doi.org/10.5391/ijfis.2020.20.1.1","is_oa":true,"landing_page_url":"https://doi.org/10.5391/ijfis.2020.20.1.1","pdf_url":"http://www.ijfis.org/journal/download_pdf.php?doi=10.5391/IJFIS.2020.20.1.1","source":{"id":"https://openalex.org/S4210177700","display_name":"International Journal of Fuzzy Logic and Intelligent Systems","issn_l":"1598-2645","issn":["1598-2645","2093-744X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","kci-registered","poland-20","russia-white-list-2"],"host_organization":"https://openalex.org/P4327628602","host_organization_name":"Korean Institute of Intelligent Systems","host_organization_lineage":["https://openalex.org/P4327628602"],"host_organization_lineage_names":["Korean Institute of Intelligent Systems"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"http://www.ijfis.org/journal/download_pdf.php?doi=10.5391/IJFIS.2020.20.1.1","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5017185901","display_name":"Van Suong Nguyen","orcid":"https://orcid.org/0000-0003-2672-0076","observed_orcids":["https://orcid.org/0000-0003-2672-0076"]},"institutions":[{"id":"https://openalex.org/I73685970","display_name":"Vietnam Maritime University","ror":"https://ror.org/03z9fzp04","country_code":"VN","type":"education","lineage":["https://openalex.org/I73685970"]}],"countries":["VN"],"is_corresponding":true,"raw_author_name":"Van Suong Nguyen","raw_affiliation_strings":["Faculty of Navigation, Vietnam Maritime University, 484 Lachtray Str., Hai Phong City, Vietnam"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Navigation, Vietnam Maritime University, 484 Lachtray Str., Hai Phong City, Vietnam","institution_ids":["https://openalex.org/I73685970"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5017185901"],"corresponding_institution_ids":["https://openalex.org/I73685970"],"apc_list":null,"apc_paid":null,"fwci":1.6373,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.85849147,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"20","issue":"1","first_page":"1","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13854","display_name":"Historical Geography and Cartography","score":0.9096999764442444,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T13854","display_name":"Historical Geography and Cartography","score":0.9096999764442444,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.014000000432133675,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11622","display_name":"Maritime Navigation and Safety","score":0.011900000274181366,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/celestial-navigation","display_name":"celestial navigation","score":0.9390000104904175},{"id":"https://openalex.org/keywords/secant-method","display_name":"secant method","score":0.9399999976158142},{"id":"https://openalex.org/keywords/spherical-trigonometry","display_name":"spherical trigonometry","score":0.996999979019165},{"id":"https://openalex.org/keywords/ship-positioning","display_name":"ship positioning","score":0.7639999985694885}],"concepts":[{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.5344817638397217},{"id":"https://openalex.org/C144475974","wikidata":"https://www.wikidata.org/wiki/Q1063512","display_name":"Celestial navigation","level":2,"score":0.45459723472595215},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.38504427671432495},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3251134753227234},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.24155575037002563},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.20148682594299316}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.5391/ijfis.2020.20.1.1","doi":"https://doi.org/10.5391/ijfis.2020.20.1.1","is_oa":true,"landing_page_url":"https://doi.org/10.5391/ijfis.2020.20.1.1","pdf_url":"http://www.ijfis.org/journal/download_pdf.php?doi=10.5391/IJFIS.2020.20.1.1","source":{"id":"https://openalex.org/S4210177700","display_name":"International Journal of Fuzzy Logic and Intelligent Systems","issn_l":"1598-2645","issn":["1598-2645","2093-744X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","kci-registered","poland-20","russia-white-list-2"],"host_organization":"https://openalex.org/P4327628602","host_organization_name":"Korean Institute of Intelligent Systems","host_organization_lineage":["https://openalex.org/P4327628602"],"host_organization_lineage_names":["Korean Institute of Intelligent Systems"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.5391/ijfis.2020.20.1.1","doi":"https://doi.org/10.5391/ijfis.2020.20.1.1","is_oa":true,"landing_page_url":"https://doi.org/10.5391/ijfis.2020.20.1.1","pdf_url":"http://www.ijfis.org/journal/download_pdf.php?doi=10.5391/IJFIS.2020.20.1.1","source":{"id":"https://openalex.org/S4210177700","display_name":"International Journal of Fuzzy Logic and Intelligent Systems","issn_l":"1598-2645","issn":["1598-2645","2093-744X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","kci-registered","poland-20","russia-white-list-2"],"host_organization":"https://openalex.org/P4327628602","host_organization_name":"Korean Institute of Intelligent Systems","host_organization_lineage":["https://openalex.org/P4327628602"],"host_organization_lineage_names":["Korean Institute of Intelligent Systems"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3013714035.pdf","grobid_xml":"https://content.openalex.org/works/W3013714035.grobid-xml"},"referenced_works_count":9,"referenced_works":["https://openalex.org/W1988720691","https://openalex.org/W2011305778","https://openalex.org/W2116692428","https://openalex.org/W2164425910","https://openalex.org/W2566320689","https://openalex.org/W2733296898","https://openalex.org/W2761090520","https://openalex.org/W2810832962","https://openalex.org/W6829257107"],"related_works":["https://openalex.org/W3195325779","https://openalex.org/W2254020786","https://openalex.org/W2385147132","https://openalex.org/W2733296898","https://openalex.org/W2222597009","https://openalex.org/W2011305778","https://openalex.org/W7218028883","https://openalex.org/W7217828940","https://openalex.org/W2061631979","https://openalex.org/W3119302532"],"abstract_inverted_index":{"In":[0],"this":[1,104],"article,":[2],"a":[3,16,30,92,111],"new":[4],"approach":[5],"to":[6,29,60,81,102],"solve":[7,61],"an":[8,36,39],"astronomical":[9],"ship":[10,27,67],"position":[11,28],"is":[12,53,100,109],"proposed":[13,105,121],"based":[14,56],"on":[15,57],"single":[17,93,112],"celestial":[18,31,42,88,113],"body":[19,32,94,114],"and":[20,38,73],"secant":[21,58],"technique.The":[22],"mathematical":[23,63],"equations":[24,44,64],"relating":[25],"the":[26,62,66,71,74,83,117,120],"are":[33,45],"described":[34],"using":[35,47],"altitude":[37,72,84],"azimuth":[40,75],"of":[41,49,86,91,119],"body.These":[43],"established":[46],"knowledge":[48],"spherical":[50],"trigonometry.Numerical":[51],"analysis":[52],"then":[54],"employed":[55],"method":[59],"for":[65],"position.This":[68],"technique":[69,106],"uses":[70],"simultaneously":[76],"while":[77],"existing":[78],"methods":[79],"need":[80],"observe":[82],"either":[85],"two":[87,96,123],"bodies":[89],"or":[90],"at":[95],"different":[97],"times.Therefore,":[98],"it":[99],"worth":[101],"apply":[103],"when":[107],"there":[108],"only":[110],"identified.To":[115],"validate":[116],"feasibility":[118],"technique,":[122],"numerical":[124],"examples":[125],"were":[126],"performed.":[127]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2020-04-03T00:00:00"}
