{"id":"https://openalex.org/W2908564745","doi":"https://doi.org/10.1109/tim.2018.2886941","title":"Oxygen Uptake Rate Measurement Using Kalman Filter and PWM Control in Activated Sludge Systems","display_name":"Oxygen Uptake Rate Measurement Using Kalman Filter and PWM Control in Activated Sludge Systems","publication_year":2019,"publication_date":"2019-01-09","ids":{"openalex":"https://openalex.org/W2908564745","doi":"https://doi.org/10.1109/tim.2018.2886941","mag":"2908564745"},"language":"en","primary_location":{"id":"doi:10.1109/tim.2018.2886941","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2018.2886941","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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5046103988","display_name":"Francisco Jadilson dos Santos Silva","orcid":"https://orcid.org/0000-0003-0877-9568"},"institutions":[{"id":"https://openalex.org/I4210147816","display_name":"Instituto Federal do Maranh\u00e3o","ror":"https://ror.org/05rm1p636","country_code":"BR","type":"education","lineage":["https://openalex.org/I4210147816"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Francisco Jadilson dos Santos Silva","raw_affiliation_strings":["Department of Technical Education, Federal Institute of Maranh\u00e3o, Alc\u00e2ntara, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Technical Education, Federal Institute of Maranh\u00e3o, Alc\u00e2ntara, Brazil","institution_ids":["https://openalex.org/I4210147816"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022826798","display_name":"Sebastian Yuri Cavalcanti Catunda","orcid":"https://orcid.org/0000-0002-9599-9552"},"institutions":[{"id":"https://openalex.org/I35046152","display_name":"Universidade Federal do Rio Grande do Norte","ror":"https://ror.org/04wn09761","country_code":"BR","type":"education","lineage":["https://openalex.org/I35046152"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Sebastian Yuri C. Catunda","raw_affiliation_strings":["Department of Computing Engineering and Automation, Federal University of Rio Grande do Norte, Natal, Brazil"],"raw_orcid":"https://orcid.org/0000-0002-9599-9552","affiliations":[{"raw_affiliation_string":"Department of Computing Engineering and Automation, Federal University of Rio Grande do Norte, Natal, Brazil","institution_ids":["https://openalex.org/I35046152"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062837641","display_name":"Carlos E.T. D\u00f3rea","orcid":"https://orcid.org/0000-0002-3999-2874"},"institutions":[{"id":"https://openalex.org/I35046152","display_name":"Universidade Federal do Rio Grande do Norte","ror":"https://ror.org/04wn09761","country_code":"BR","type":"education","lineage":["https://openalex.org/I35046152"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Carlos E. T. Dorea","raw_affiliation_strings":["Department of Computing Engineering and Automation, Federal University of Rio Grande do Norte, Natal, Brazil"],"raw_orcid":"https://orcid.org/0000-0002-3999-2874","affiliations":[{"raw_affiliation_string":"Department of Computing Engineering and Automation, Federal University of Rio Grande do Norte, Natal, Brazil","institution_ids":["https://openalex.org/I35046152"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000742182","display_name":"Adrianus van Haandel","orcid":"https://orcid.org/0000-0002-9937-6715"},"institutions":[{"id":"https://openalex.org/I41455075","display_name":"Universidade Federal de Campina Grande","ror":"https://ror.org/00eftnx64","country_code":"BR","type":"education","lineage":["https://openalex.org/I41455075"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Adrianus C. van Haandel","raw_affiliation_strings":["Department of Civil Engineering, Federal University of Campina Grande, Campina Grande, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, Federal University of Campina Grande, Campina Grande, Brazil","institution_ids":["https://openalex.org/I41455075"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070850077","display_name":"H\u00e9lio Rodrigues dos Santos","orcid":"https://orcid.org/0000-0002-3960-0316"},"institutions":[{"id":"https://openalex.org/I35046152","display_name":"Universidade Federal do Rio Grande do Norte","ror":"https://ror.org/04wn09761","country_code":"BR","type":"education","lineage":["https://openalex.org/I35046152"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Helio Rodrigues dos Santos","raw_affiliation_strings":["Department of Civil Engineering, Federal University of Rio Grande do Norte, Natal, Brazil"],"raw_orcid":"https://orcid.org/0000-0002-3960-0316","affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, Federal University of Rio Grande do Norte, Natal, Brazil","institution_ids":["https://openalex.org/I35046152"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7641,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.67658879,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"68","issue":"11","first_page":"4493","last_page":"4501"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10564","display_name":"Wastewater Treatment and Nitrogen Removal","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10564","display_name":"Wastewater Treatment and Nitrogen Removal","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10791","display_name":"Advanced Control Systems Optimization","score":0.993399977684021,"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/T14353","display_name":"Wireless Sensor Networks for Data Analysis","score":0.9524999856948853,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/activated-sludge","display_name":"Activated sludge","score":0.752249002456665},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.6243962049484253},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.5533638596534729},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.5064517259597778},{"id":"https://openalex.org/keywords/extended-kalman-filter","display_name":"Extended Kalman filter","score":0.45014268159866333},{"id":"https://openalex.org/keywords/process-control","display_name":"Process control","score":0.43388330936431885},{"id":"https://openalex.org/keywords/process-engineering","display_name":"Process engineering","score":0.4125465750694275},{"id":"https://openalex.org/keywords/wastewater","display_name":"Wastewater","score":0.3667299151420593},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.3665073812007904},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.36616313457489014},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2784619927406311},{"id":"https://openalex.org/keywords/waste-management","display_name":"Waste management","score":0.2689005732536316},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16488131880760193},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.16447344422340393}],"concepts":[{"id":"https://openalex.org/C2777730692","wikidata":"https://www.wikidata.org/wiki/Q815353","display_name":"Activated sludge","level":3,"score":0.752249002456665},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.6243962049484253},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.5533638596534729},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.5064517259597778},{"id":"https://openalex.org/C206833254","wikidata":"https://www.wikidata.org/wiki/Q5421817","display_name":"Extended Kalman filter","level":3,"score":0.45014268159866333},{"id":"https://openalex.org/C155386361","wikidata":"https://www.wikidata.org/wiki/Q1649571","display_name":"Process control","level":3,"score":0.43388330936431885},{"id":"https://openalex.org/C21880701","wikidata":"https://www.wikidata.org/wiki/Q2144042","display_name":"Process engineering","level":1,"score":0.4125465750694275},{"id":"https://openalex.org/C94061648","wikidata":"https://www.wikidata.org/wiki/Q336191","display_name":"Wastewater","level":2,"score":0.3667299151420593},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.3665073812007904},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.36616313457489014},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2784619927406311},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.2689005732536316},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16488131880760193},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.16447344422340393},{"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/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tim.2018.2886941","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2018.2886941","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"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8700000047683716,"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320337367","display_name":"Division of Materials Research","ror":"https://ror.org/01pc7k308"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W108718808","https://openalex.org/W1489170142","https://openalex.org/W1490488263","https://openalex.org/W1500564636","https://openalex.org/W1599186517","https://openalex.org/W1967441290","https://openalex.org/W1989707041","https://openalex.org/W1990785657","https://openalex.org/W2000200299","https://openalex.org/W2002463714","https://openalex.org/W2006352352","https://openalex.org/W2061155485","https://openalex.org/W2124892254","https://openalex.org/W2138944775","https://openalex.org/W2154280745","https://openalex.org/W2164442643","https://openalex.org/W2169507787","https://openalex.org/W2180873408","https://openalex.org/W2183477819","https://openalex.org/W2342332805","https://openalex.org/W2471894658","https://openalex.org/W2499980613","https://openalex.org/W3011005711"],"related_works":["https://openalex.org/W2089114113","https://openalex.org/W2389555968","https://openalex.org/W2352634297","https://openalex.org/W4287880334","https://openalex.org/W2320550378","https://openalex.org/W2020144404","https://openalex.org/W4372347353","https://openalex.org/W2103062922","https://openalex.org/W2162299404","https://openalex.org/W1573859018"],"abstract_inverted_index":{"The":[0,88,159],"availability":[1],"of":[2,42,49,56,77,119,151,165],"real-time":[3],"information":[4],"about":[5],"the":[6,25,57,78,84,97,115,120,125,134,149,152,162,166,175],"biological":[7],"activity":[8],"is":[9,22],"a":[10,39,65,92,102,108,141,156],"valuable":[11],"matter":[12],"in":[13,44,83,140,155],"wastewater":[14],"treatment":[15],"employing":[16],"activated":[17,85,144],"sludge":[18,86,145],"processes,":[19,32],"and":[20,53,74,101,124,136,169],"this":[21,61],"represented":[23],"by":[24,70],"oxygen":[26,80],"uptake":[27],"rate":[28],"(OUR).":[29],"In":[30,60],"these":[31],"OUR":[33,68,116,179],"measurements":[34],"have":[35],"been":[36],"used":[37],"as":[38],"fast":[40,163],"indicator":[41],"changes":[43],"waste":[45],"load":[46],"or":[47],"influx":[48],"toxic":[50],"organic":[51],"compounds":[52],"for":[54,67,178],"monitoring":[55],"process":[58],"efficiency.":[59],"paper,":[62],"we":[63],"propose":[64],"method":[66,90,135,168],"estimation":[69],"using":[71],"Kalman":[72],"filters":[73],"PWM":[75],"control":[76,111,122],"dissolved":[79],"(DO)":[81],"concentration":[82,127],"reactor.":[87],"proposed":[89,153,167],"presents":[91],"shorter":[93],"response":[94,164],"time":[95],"than":[96],"standard":[98,176],"online":[99],"procedure":[100,177],"lower":[103],"measurement":[104],"uncertainty":[105],"compared":[106],"to":[107,132,147,174],"previous":[109],"feedback":[110],"method,":[112],"which":[113],"estimates":[114],"from":[117],"values":[118],"applied":[121],"signal":[123],"DO":[126],"measurements.":[128],"Simulations":[129],"are":[130,138],"presented":[131],"illustrate":[133],"experiments":[137],"performed":[139],"bench":[142],"scale":[143],"reactor":[146],"show":[148],"applicability":[150],"estimator":[154],"real":[157],"system.":[158],"results":[160],"confirm":[161],"its":[170],"consistency":[171],"with":[172],"respect":[173],"computation.":[180]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
