{"id":"https://openalex.org/W2081272914","doi":"https://doi.org/10.1017/s0263574703005630","title":"The dual-frequency sonar system of the mobile robot RAM-2","display_name":"The dual-frequency sonar system of the mobile robot RAM-2","publication_year":2004,"publication_date":"2004-05-01","ids":{"openalex":"https://openalex.org/W2081272914","doi":"https://doi.org/10.1017/s0263574703005630","mag":"2081272914"},"language":"en","primary_location":{"id":"doi:10.1017/s0263574703005630","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0263574703005630","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/A5019960457","display_name":"Mar\u00eda Mart\u00ednez","orcid":"https://orcid.org/0000-0001-8249-9201"},"institutions":[{"id":"https://openalex.org/I82767444","display_name":"Universidad de M\u00e1laga","ror":"https://ror.org/036b2ww28","country_code":"ES","type":"education","lineage":["https://openalex.org/I82767444"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"M. A. Martinez","raw_affiliation_strings":["Department of System Engineering and Automation, University of M\u00e1laga, E.T.S.I. Industriales, Plaza El Ejido s/n, 29013 M\u00e1laga (Spain","Department of System Engineering and Automation, University of M\u00e1laga, E. T. S. I. Industriales, Plaza El Ejido, s/n. 29013-M\u00e1laga, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of System Engineering and Automation, University of M\u00e1laga, E.T.S.I. Industriales, Plaza El Ejido s/n, 29013 M\u00e1laga (Spain","institution_ids":["https://openalex.org/I82767444"]},{"raw_affiliation_string":"Department of System Engineering and Automation, University of M\u00e1laga, E. T. S. I. Industriales, Plaza El Ejido, s/n. 29013-M\u00e1laga, Spain","institution_ids":["https://openalex.org/I82767444"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014881396","display_name":"Jorge L. Mart\u00ednez","orcid":"https://orcid.org/0000-0002-8940-2465"},"institutions":[{"id":"https://openalex.org/I82767444","display_name":"Universidad de M\u00e1laga","ror":"https://ror.org/036b2ww28","country_code":"ES","type":"education","lineage":["https://openalex.org/I82767444"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"J. L. Martinez","raw_affiliation_strings":["Department of System Engineering and Automation, University of M\u00e1laga, E.T.S.I. Industriales, Plaza El Ejido s/n, 29013 M\u00e1laga (Spain","Department of System Engineering and Automation, University of M\u00e1laga, E. T. S. I. Industriales, Plaza El Ejido, s/n. 29013-M\u00e1laga, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of System Engineering and Automation, University of M\u00e1laga, E.T.S.I. Industriales, Plaza El Ejido s/n, 29013 M\u00e1laga (Spain","institution_ids":["https://openalex.org/I82767444"]},{"raw_affiliation_string":"Department of System Engineering and Automation, University of M\u00e1laga, E. T. S. I. Industriales, Plaza El Ejido, s/n. 29013-M\u00e1laga, Spain","institution_ids":["https://openalex.org/I82767444"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.14420063,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"22","issue":"3","first_page":"263","last_page":"270"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10586","display_name":"Robotic Path Planning Algorithms","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10586","display_name":"Robotic Path Planning Algorithms","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9991000294685364,"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"}},{"id":"https://openalex.org/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9975000023841858,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.6894101500511169},{"id":"https://openalex.org/keywords/sonar","display_name":"Sonar","score":0.6748234033584595},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5645596981048584},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.5614987015724182},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.5371862649917603},{"id":"https://openalex.org/keywords/robot","display_name":"Robot","score":0.5135848522186279},{"id":"https://openalex.org/keywords/mobile-robot","display_name":"Mobile robot","score":0.49126189947128296},{"id":"https://openalex.org/keywords/digital-signal-processor","display_name":"Digital signal processor","score":0.4633524715900421},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.4613516330718994},{"id":"https://openalex.org/keywords/ultrasonic-sensor","display_name":"Ultrasonic sensor","score":0.4409920573234558},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4368334114551544},{"id":"https://openalex.org/keywords/transducer","display_name":"Transducer","score":0.4362047612667084},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.38760408759117126},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.352470338344574},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.19449719786643982},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.18390271067619324},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.16915565729141235},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.08474835753440857}],"concepts":[{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.6894101500511169},{"id":"https://openalex.org/C555745239","wikidata":"https://www.wikidata.org/wiki/Q133220","display_name":"Sonar","level":2,"score":0.6748234033584595},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5645596981048584},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.5614987015724182},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.5371862649917603},{"id":"https://openalex.org/C90509273","wikidata":"https://www.wikidata.org/wiki/Q11012","display_name":"Robot","level":2,"score":0.5135848522186279},{"id":"https://openalex.org/C19966478","wikidata":"https://www.wikidata.org/wiki/Q4810574","display_name":"Mobile robot","level":3,"score":0.49126189947128296},{"id":"https://openalex.org/C161611012","wikidata":"https://www.wikidata.org/wiki/Q106370","display_name":"Digital signal processor","level":3,"score":0.4633524715900421},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.4613516330718994},{"id":"https://openalex.org/C81288441","wikidata":"https://www.wikidata.org/wiki/Q20736125","display_name":"Ultrasonic sensor","level":2,"score":0.4409920573234558},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4368334114551544},{"id":"https://openalex.org/C56318395","wikidata":"https://www.wikidata.org/wiki/Q215928","display_name":"Transducer","level":2,"score":0.4362047612667084},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.38760408759117126},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.352470338344574},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.19449719786643982},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.18390271067619324},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.16915565729141235},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.08474835753440857},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1017/s0263574703005630","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0263574703005630","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"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.962.8273","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.962.8273","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.biblioteca.uma.es/bbldoc/articulos/1649491x.pdf?origin%3Dpublication_detail","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.5}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2045580482","https://openalex.org/W2072831749","https://openalex.org/W2109601716","https://openalex.org/W2110615251","https://openalex.org/W2119995876","https://openalex.org/W2124937548","https://openalex.org/W2150171347","https://openalex.org/W2161155621","https://openalex.org/W2164726632"],"related_works":["https://openalex.org/W2391090405","https://openalex.org/W338092349","https://openalex.org/W2385103705","https://openalex.org/W1763186290","https://openalex.org/W2583795800","https://openalex.org/W2572037897","https://openalex.org/W1556297113","https://openalex.org/W4239668215","https://openalex.org/W2352569066","https://openalex.org/W2532375706"],"abstract_inverted_index":{"This":[0],"paper":[1],"deals":[2],"with":[3],"the":[4,38,56,59,63,67,75,78],"design":[5],"and":[6,48,62],"development":[7],"of":[8,17,41,74,77],"a":[9,15,27,72,84],"new":[10],"perception":[11],"system":[12],"for":[13],"controlling":[14],"set":[16],"ultrasonic":[18],"transducers":[19],"working":[20],"at":[21],"two":[22],"different":[23],"frequencies":[24],"generated":[25],"by":[26,37],"digital":[28],"signal":[29],"processor":[30],"(DSP).":[31],"Data":[32],"gathering":[33],"speed":[34],"is":[35,87],"increased":[36],"simultaneous":[39],"firing":[40],"sonars":[42],"without":[43],"crosstalk":[44],"problems.":[45],"The":[46],"software":[47],"hardware":[49],"implementation":[50],"are":[51],"presented":[52],"as":[53,55],"well":[54],"results":[57],"from":[58],"calibration":[60],"process":[61],"integration":[64],"on":[65],"board":[66],"mobile":[68],"robot":[69],"RAM-2.":[70],"Finally,":[71],"demonstration":[73],"use":[76],"proposed":[79],"equipment":[80],"to":[81],"wall-following":[82],"via":[83],"fuzzy":[85],"controller":[86],"described.":[88]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}