{"?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-40N0WBJ5/1cc1f2b8-e7fe-4da3-84a8-e254e0d8f306/PDF","dcterms:extent":"2415 KB"},{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:doc-40N0WBJ5/ec943044-25a3-4df8-a4dd-bd97c32fba38/TEXT","dcterms:extent":"28 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-40N0WBJ5","dcterms:isPartOf":[{"@rdf:resource":"https://www.dlib.si/details/URN:NBN:SI:spr-6QOUKQ9A"},{"@xml:lang":"sl","#text":"Strojniški vestnik"}],"dcterms:issued":"2015","dc:creator":["Bo, Tan","Dong, Zuo","Yi, Zhou","Youhai, Liu","Yunfei, Liao"],"dc:format":[{"@xml:lang":"sl","#text":"številka:2"},{"@xml:lang":"sl","#text":"letnik:61"},{"@xml:lang":"sl","#text":"str. 99-106, SI 20"}],"dc:identifier":["ISSN:0039-2480","COBISSID:13895195","URN:URN:NBN:SI:doc-40N0WBJ5"],"dc:language":"en","dc:publisher":{"@xml:lang":"sl","#text":"Zveza strojnih inženirjev in tehnikov Slovenije et al."},"dc:subject":[{"@xml:lang":"sl","#text":"dinamični odziv"},{"@xml:lang":"sl","#text":"kompresorji z deljeno mrežico"},{"@xml:lang":"sl","#text":"krmilni algoritmi"},{"@xml:lang":"sl","#text":"prenosne verige"},{"@xml:lang":"sl","#text":"stabilnost"},{"@xml:lang":"sl","#text":"tetraeder"}],"dcterms:temporal":{"@rdf:resource":"1999-2025"},"dc:title":{"@xml:lang":"sl","#text":"Study of stability of precise tiled-grating device|"},"dc:description":[{"@xml:lang":"sl","#text":"To satisfy the high-stability requirement of a tiled grating, we have analyzed and optimized the stability of a newly designed precise tiled- grating device considering three aspects: structure design, transmission chain, and control algorithms. The main structure of the device is changed from a parallel-board structure to a new tetrahedral brace design, enhancing the overall vibration stability; during the analysis of the transmission chain, the adjustment accuracy and stability of the device were ensured by slowing the growth of the error transmission factor; and for the optimization analysis of the PID control algorithms, we adopted a latch compensation method to avoid the saturated loss and a four-point central difference method to avoid the disturbances, thus enhancing the stability control of the device. To test the stability of the device, an optical experiment with a reference spot was designed. The experimental results showed that over 380 s, the ambient excitation response was always within an acceptable range. The average deflections about the X axis and Y axis are 0.243 and 0.00146 microrad, respectively, which satisfy the stability requirement"},{"@xml:lang":"sl","#text":"Za izboljšanje stabilnosti deljenih mrežic, ki so se uveljavile pri gradnji metrskih večslojnih dielektričnih (MLD) uklonskih mrežic kot ključna komponenta kompresorja v laserskem sistemu CPA, smo razvili natančno deljeno mrežico in analizirali njeno stabilnost. Stabilnost deljene mrežice je namreč eden najpomembnejših dejavnikov uspeha laserskega eksperimenta. Za izboljšanje konstrukcijske stabilnosti smo zasnovali deljeno mrežico v obliki tetraedra, ki izboljšuje vibracijsko stabilnost naprave. Za zmanjšanje vpliva naraščajočega faktorja prenosa napak smo dodali navidezno stojalo v oporo mrežici. Deljena naprava se tako izogne območju s hitro naraščajočimi faktorji prenosa napak ter zagotavlja dobro natančnost nastavitve in stabilnost. Za povečanje stabilnosti krmiljenja smo izboljšali krmilne algoritme PID po dvotočkovni shemi: 1) metoda zaklenjene kompenzacije preprečuje nasičene izgube zaradi integriranega nasičenja, in 2) metoda štiritočkovne osrednje razlike omogoča pridobitev parametrov razlik pri odpravljanju motenj"}],"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-40N0WBJ5","edm:aggregatedCHO":{"@rdf:resource":"URN:NBN:SI:doc-40N0WBJ5"},"edm:isShownBy":{"@rdf:resource":"http://www.dlib.si/stream/URN:NBN:SI:doc-40N0WBJ5/1cc1f2b8-e7fe-4da3-84a8-e254e0d8f306/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-40N0WBJ5/maxi/edm"},"edm:isShownAt":{"@rdf:resource":"http://www.dlib.si/details/URN:NBN:SI:doc-40N0WBJ5"}}}}