{"?xml":{"@version":"1.0"},"edm:RDF":{"@xmlns:dc":"http://purl.org/dc/elements/1.1/","@xmlns:edm":"http://www.europeana.eu/schemas/edm/","@xmlns:wgs84_pos":"http://www.w3.org/2003/01/geo/wgs84_pos","@xmlns:foaf":"http://xmlns.com/foaf/0.1/","@xmlns:rdaGr2":"http://rdvocab.info/ElementsGr2","@xmlns:oai":"http://www.openarchives.org/OAI/2.0/","@xmlns:owl":"http://www.w3.org/2002/07/owl#","@xmlns:rdf":"http://www.w3.org/1999/02/22-rdf-syntax-ns#","@xmlns:ore":"http://www.openarchives.org/ore/terms/","@xmlns:skos":"http://www.w3.org/2004/02/skos/core#","@xmlns:dcterms":"http://purl.org/dc/terms/","edm:WebResource":[{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:DOC-X0E0XT4D/37ac5a76-30cf-4c33-8b01-eba3072cfc33/HTML","dcterms:extent":"37 KB"},{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:DOC-X0E0XT4D/4a5c39c8-5a49-45a2-8b04-65e44b2781b1/PDF","dcterms:extent":"1223 KB"},{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:DOC-X0E0XT4D/9af2b810-e0bc-44aa-b79f-a32edf055264/TEXT","dcterms:extent":"26 KB"}],"edm:TimeSpan":{"@rdf:about":"1999-2025","edm:begin":{"@xml:lang":"en","#text":"1999"},"edm:end":{"@xml:lang":"en","#text":"2025"}},"edm:ProvidedCHO":{"@rdf:about":"URN:NBN:SI:DOC-X0E0XT4D","dcterms:isPartOf":[{"@rdf:resource":"https://www.dlib.si/details/URN:NBN:SI:spr-6QOUKQ9A"},{"@xml:lang":"sl","#text":"Strojniški vestnik"}],"dcterms:issued":"2009","dc:creator":["Absec, Matija","Govekar, Edvard","Mužič, Peter","Potočnik, Primož","Soklič, Dejan","Strmec, Tomaž"],"dc:format":[{"@xml:lang":"sl","#text":"11 strani"},{"@xml:lang":"sl","#text":"letnik:55"},{"@xml:lang":"sl","#text":"številka:7/8"},{"@xml:lang":"sl","#text":"str. 444-454"}],"dc:identifier":["ISSN:0039-2480","COBISSID:11064347","URN:URN:NBN:SI:doc-X0E0XT4D"],"dc:language":"en","dc:publisher":[{"@xml:lang":"sl","#text":"Association of Mechanical Engineers and Technicians of Slovenia et al."},{"@xml:lang":"sl","#text":"Zveza strojnih inženirjev in tehnikov Slovenije et al."}],"dc:subject":[{"@xml:lang":"sl","#text":"kompresorji"},{"@xml:lang":"sl","#text":"montaža"},{"@xml:lang":"sl","#text":"napake"},{"@xml:lang":"sl","#text":"preizkušanje"},{"@xml:lang":"sl","#text":"proizvodnja"},{"@xml:lang":"sl","#text":"vzmeti"},{"@rdf:resource":"http://www.wikidata.org/entity/Q360963"}],"dcterms:temporal":{"@rdf:resource":"1999-2025"},"dc:title":{"@xml:lang":"sl","#text":"Automatic detection of spring faults during assembly of reciprocating compressors|"},"dc:description":[{"@xml:lang":"sl","#text":"Automatic condition monitoring application for the detection of spring faults during assembling of reciprocating compressors is presented in this paper. Spring faults are characterized by incorrect positioning of compressor body on the supporting springs. Consequently, compressors with such faults should be detected and eliminated from the production. The paper describes development and application of a condition monitoring (CM) system for the production line. The CM system is composed of a mechanical pneumatic system and a software for the analysis and detection of failures. The mechanical system is designed to push toward the body of the compressor and simultaneously measure the pressing force. Spring faults are characterized by an increased force, therefore force signals are used to extract features, appropriate for an automatic condition monitoring. The system was tested during regular production in the company, with additional sets of compressors with built-in spring faults. The main contribution of this paper is the development and testing of various decision strategies for the recognition of faulty compressors. Standard 3-sigma decision strategy is compared to optimized stationary decision strategy and two adaptive strategies: adaptive strategy with constant deviation and adaptive strategy with adaptive deviation. Results show that adaptive decision strategy with adaptive deviation yields the best fault recognition rate and is, therefore recommended for the application on the industrial production line"},{"@xml:lang":"sl","#text":"V članku je opisan sistem za avtomatsko spremljanje stanja in zaznavanje napak vzmeti med montažo batnih kompresorjev. Za napake vzmeti je značilna nepravilna postavitev telesa kompresorja na podporne vzmeti. Kompresorje s takšnimi napakami je potrebno zaznati in izločiti iz proizvodnje. Članek opisuje razvoj in uporabo nadzornega sistema za proizvodno linijo tovarne Danfoss Compressors, d.o.o. Nadzorni sistem tvorita mehanski pnevmatski sistem ter programska oprema za analizo in zaznavanje napak. Mehanski sistem je namenjen potiskanju telesa kompresorja proti vzmetem ob hkratnem merjenju potisne sile. Za napake vzmeti je značilna povečana sila, zato je mogoče iz signala sile izpeljati značilke, ki so primerne za avtomatsko spremljanje stanja. Sistem je bil preizkušen v tovarni med redno proizvodnjo, pri čemer so bili na linijo dodani kompresorji z vgrajenimi napakami vzmeti. Glavni prispevek članka je razvoj in preizkušanje različnih odločitvenih strategij za razpoznavanje okvarjenih kompresorjev. Standardno 3-sigma odločitveno strategijo primerjamo z optimizirano odločitveno strategijo in z dvema adaptivnima strategijama: adaptivno strategijo s konstantno deviacijo in adaptivno strategijo z adaptivno deviacijo. Rezultati kažejo, da z adaptivno odločitveno strategijo z adaptivno deviacijo dosežemo najboljše razpoznavanje napak, zato takšno strategijo priporočamo za uporabo na industrijski proizvodni liniji"}],"edm:type":"TEXT","dc:type":[{"@xml:lang":"sl","#text":"znanstveno časopisje"},{"@xml:lang":"en","#text":"journals"},{"@rdf:resource":"http://www.wikidata.org/entity/Q361785"}]},"ore:Aggregation":{"@rdf:about":"http://www.dlib.si/?URN=URN:NBN:SI:DOC-X0E0XT4D","edm:aggregatedCHO":{"@rdf:resource":"URN:NBN:SI:DOC-X0E0XT4D"},"edm:isShownBy":{"@rdf:resource":"http://www.dlib.si/stream/URN:NBN:SI:DOC-X0E0XT4D/4a5c39c8-5a49-45a2-8b04-65e44b2781b1/PDF"},"edm:rights":{"@rdf:resource":"http://rightsstatements.org/vocab/InC/1.0/"},"edm:provider":"Slovenian National E-content Aggregator","edm:intermediateProvider":{"@xml:lang":"en","#text":"National and University Library of Slovenia"},"edm:dataProvider":{"@xml:lang":"sl","#text":"Univerza v Ljubljani, Fakulteta za strojništvo"},"edm:object":{"@rdf:resource":"http://www.dlib.si/streamdb/URN:NBN:SI:DOC-X0E0XT4D/maxi/edm"},"edm:isShownAt":{"@rdf:resource":"http://www.dlib.si/details/URN:NBN:SI:DOC-X0E0XT4D"}}}}