{"id":"https://openalex.org/W2753858826","doi":"https://doi.org/10.1109/snpd.2017.8022725","title":"Detecting precursor patterns for frequency fluctuation in an electrical grid","display_name":"Detecting precursor patterns for frequency fluctuation in an electrical grid","publication_year":2017,"publication_date":"2017-06-01","ids":{"openalex":"https://openalex.org/W2753858826","doi":"https://doi.org/10.1109/snpd.2017.8022725","mag":"2753858826"},"language":"en","primary_location":{"id":"doi:10.1109/snpd.2017.8022725","is_oa":false,"landing_page_url":"https://doi.org/10.1109/snpd.2017.8022725","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 18th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100640131","display_name":"Md. Shahidul Islam","orcid":"https://orcid.org/0000-0001-7344-6984"},"institutions":[{"id":"https://openalex.org/I39854758","display_name":"Auckland University of Technology","ror":"https://ror.org/01zvqw119","country_code":"NZ","type":"education","lineage":["https://openalex.org/I39854758"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Md. Shahidul Islam","raw_affiliation_strings":["Auckland University of Technology, Auckland, NZ"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Auckland University of Technology, Auckland, NZ","institution_ids":["https://openalex.org/I39854758"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081515766","display_name":"Russel Pears","orcid":null},"institutions":[{"id":"https://openalex.org/I39854758","display_name":"Auckland University of Technology","ror":"https://ror.org/01zvqw119","country_code":"NZ","type":"education","lineage":["https://openalex.org/I39854758"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Russel Pears","raw_affiliation_strings":["Computer and Mathematical Sciences, Auckland University of Technology, Auckland, New Zealand"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer and Mathematical Sciences, Auckland University of Technology, Auckland, New Zealand","institution_ids":["https://openalex.org/I39854758"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009651277","display_name":"Boris Ba\u010di\u0107","orcid":"https://orcid.org/0000-0003-0305-4322"},"institutions":[{"id":"https://openalex.org/I39854758","display_name":"Auckland University of Technology","ror":"https://ror.org/01zvqw119","country_code":"NZ","type":"education","lineage":["https://openalex.org/I39854758"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Boris Bacic","raw_affiliation_strings":["Computer and Mathematical Sciences, Auckland University of Technology, Auckland, New Zealand"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer and Mathematical Sciences, Auckland University of Technology, Auckland, New Zealand","institution_ids":["https://openalex.org/I39854758"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I39854758"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"xxxix","issue":null,"first_page":"219","last_page":"224"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12424","display_name":"Earthquake Detection and Analysis","score":0.9869999885559082,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12424","display_name":"Earthquake Detection and Analysis","score":0.9869999885559082,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12205","display_name":"Time Series Analysis and Forecasting","score":0.986299991607666,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11270","display_name":"Complex Systems and Time Series Analysis","score":0.9697999954223633,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/morlet-wavelet","display_name":"Morlet wavelet","score":0.8640398979187012},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.6739257574081421},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.6107604503631592},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.5640447735786438},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.5404461622238159},{"id":"https://openalex.org/keywords/event","display_name":"Event (particle physics)","score":0.495486855506897},{"id":"https://openalex.org/keywords/series","display_name":"Series (stratigraphy)","score":0.4755668044090271},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.46133148670196533},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.45964810252189636},{"id":"https://openalex.org/keywords/spectral-density","display_name":"Spectral density","score":0.4513508379459381},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.42552316188812256},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.28054437041282654},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2468656301498413},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20512449741363525},{"id":"https://openalex.org/keywords/discrete-wavelet-transform","display_name":"Discrete wavelet transform","score":0.19068148732185364},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16126137971878052},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.125005304813385},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.08179476857185364}],"concepts":[{"id":"https://openalex.org/C2778280487","wikidata":"https://www.wikidata.org/wiki/Q3505077","display_name":"Morlet wavelet","level":5,"score":0.8640398979187012},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6739257574081421},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.6107604503631592},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.5640447735786438},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.5404461622238159},{"id":"https://openalex.org/C2779662365","wikidata":"https://www.wikidata.org/wiki/Q5416694","display_name":"Event (particle physics)","level":2,"score":0.495486855506897},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.4755668044090271},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46133148670196533},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.45964810252189636},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.4513508379459381},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.42552316188812256},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.28054437041282654},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2468656301498413},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20512449741363525},{"id":"https://openalex.org/C46286280","wikidata":"https://www.wikidata.org/wiki/Q2414958","display_name":"Discrete wavelet transform","level":4,"score":0.19068148732185364},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16126137971878052},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.125005304813385},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.08179476857185364},{"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/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/snpd.2017.8022725","is_oa":false,"landing_page_url":"https://doi.org/10.1109/snpd.2017.8022725","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 18th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.7599999904632568}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W131949009","https://openalex.org/W560969437","https://openalex.org/W581215525","https://openalex.org/W639305211","https://openalex.org/W768156427","https://openalex.org/W1500065301","https://openalex.org/W1605470594","https://openalex.org/W2011333288","https://openalex.org/W2014538668","https://openalex.org/W2018340241","https://openalex.org/W2025103888","https://openalex.org/W2034146654","https://openalex.org/W2089340027","https://openalex.org/W2094796660","https://openalex.org/W2119556746","https://openalex.org/W2129246419","https://openalex.org/W2158111207","https://openalex.org/W2181689670","https://openalex.org/W3101665219","https://openalex.org/W3109068248","https://openalex.org/W3125603523","https://openalex.org/W4241025692","https://openalex.org/W6622418097","https://openalex.org/W7037080084"],"related_works":["https://openalex.org/W1970844520","https://openalex.org/W2381021003","https://openalex.org/W2115196751","https://openalex.org/W49363845","https://openalex.org/W2019547370","https://openalex.org/W2381051082","https://openalex.org/W2102741279","https://openalex.org/W2390892627","https://openalex.org/W4382490674","https://openalex.org/W2077021924"],"abstract_inverted_index":{"Precursor":[0],"pattern":[1],"identification":[2],"addresses":[3],"the":[4,21,47,57,103,106,111,143,148,156],"problem":[5],"of":[6,17,23,49,76,102,142],"detecting":[7],"warning":[8],"signals":[9],"in":[10,31,34,41,105,166],"data":[11],"that":[12,44,87,97,131,145,155],"herald":[13],"an":[14,139,159],"impending":[15],"event":[16],"extraordinary":[18],"interest.":[19],"In":[20,52],"context":[22],"electrical":[24,67],"power":[25,32,68,85],"systems,":[26],"identifying":[27],"precursors":[28],"to":[29,39,60,79,92,122,162],"fluctuations":[30],"generation":[33,69],"advance":[35],"would":[36],"enable":[37],"engineers":[38],"put":[40],"place":[42],"measures":[43],"mitigate":[45],"against":[46],"effects":[48],"such":[50],"fluctuations.":[51],"this":[53],"research":[54],"we":[55],"use":[56],"Morlet":[58],"wavelet":[59,157],"transform":[61],"a":[62,99,117,123],"time":[63,168],"series":[64,169],"defined":[65],"on":[66],"frequency":[70],"which":[71],"was":[72],"sampled":[73],"at":[74],"intervals":[75],"30":[77],"seconds":[78],"identify":[80,163],"potential":[81],"precursor":[82,164],"patterns.":[83],"The":[84],"spectrum":[86],"results":[88,129,153],"is":[89,158],"then":[90,109],"used":[91],"select":[93],"high":[94,112,133],"coefficient":[95,113,120,134],"regions":[96,114],"capture":[98],"large":[100],"faction":[101],"energy":[104],"spectrum.":[107],"We":[108],"subjected":[110],"together":[115],"with":[116],"contrasting":[118],"low":[119],"region":[121,135],"non-parametric":[124],"ANOVA":[125],"test":[126],"and":[127],"our":[128],"indicate":[130],"one":[132],"dominates":[136],"by":[137],"predicting":[138],"overwhelming":[140],"percentage":[141],"variation":[144],"occurs":[146],"during":[147],"subsequent":[149],"fluctuation":[150],"event.":[151],"These":[152],"suggest":[154],"effective":[160],"mechanism":[161],"activity":[165],"electricity":[167],"data.":[170]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}