Matches in SemOpenAlex for { <https://semopenalex.org/work/W81170107> ?p ?o ?g. }
Showing items 1 to 44 of
44
with 100 items per page.
- W81170107 endingPage "520" @default.
- W81170107 startingPage "511" @default.
- W81170107 abstract "KNOWLEDGE-ENHANCEDCO-MONITORINGINCOAL-MINESWolf ramBurgard1,ArminB.CremersDieterFxMartinHe idelbach2,AngelicaM.Kapp el1andStef anL uttr inghaus-Kap1Institutf urInformaikI I I,Univers itatBonn,Romerstr.164,D-53117Bonn2RuhrkohleBergbauAG,T1.2,Shamro ckr ing1,D-44623Her neE-mail:fwolf ram,ab c,fox,he idelba,angelica,stef ang@cs.uni-b onn.deAbstractDetectionofundergrou re si sanimp ortts ecur-itytaskinhard-coalmining.Auomae d redetectionsystemsareusuallybas e donthemonitor ingofcar-b onmonoxide(CO).Systemsus ingconventionalech-nologybas e donthre sholdandenencyob s ervaions,however,generatealargenumb eroff als ealarms.WshowhCO-concentrationscanb eforecastbyappro-pr iatemo delsofhphys icalandcemicalpro ce s s e s.Wefurthermorede scr ib earule-bas e dsp eci cationsys-temuilizingforecastinforCO-monitor ing.Theim-provementofhi sapproachoereconionali sthreefold.First,henumb eroff als ealarmsi sre dce dby50%,atle ast.Simulaneously,hehre sholdsforwar ningsandalarmscanb ere duce dsothat,s econd,thedetectionofre al re sb ecome sb otquickeranmorereliable.Third,heur i sticrule sfor redetectionandsuppre s s ionoff als ealarmsaswellthecontroltheforecastingcanb ede scr ib e daeclaraivway.Whileoursystemi sstillinaprototypicage,thehreema jorGermanhard-coalminingcompanie sdecide dtous eourapproachinte irCO-monitor ingsystems.1IntroductionInhard-coalminingpreventiveechnique sagainst re sandexplo s ionshaveb eenerysucce s sfulint20thcentury,e sp eciallyinavoidingexplo s ionsbytr ins ic-allysafe(electr ical)equipmentandre ducingamagebystrongminere scuepartie s.Moreover, rebarr iersareinstalle dalloverthemine s.Suciensupplyoff re shairavoidsdangerousconcentrationsofmethe(CH4),whileitalsore duce sthee aands imulan-eouslyimprove sthequalityofair.However,duetohes elfinammabilityofsulphureousard-coal re so ccurineverymo der ncoalmine.Furthermore,defectmachine sorpartsofe s,asforexampledefectiverollersofbanconveyorscouldcaus easmol-der ing re.Enormoustechnicale orti sakenodetect re sase arlyasp o s s ibleandtoextingui shhemb eforeminersareendangere dorsub sttialamageake splace.Inordertoenablerapiddetection,vilaionelo city,carb onmonoxide(CO)andCH4concentrationsareconstantlymonitore dus ings everalhundre dsofs ensorsinanaveragecoalmine.Whilethevenilaionelo cityandCH4-concentra-tionscanb emonitore dnotoexcee d xe ds ecur itylimits,theinerpretaionofCO-concentrations andCO-curve si squitemorecomplicate d.Thi sdueohf actthavar iousactivitie scarr ie douundergroubytheminerssucaslastingop eraionsordr ivinDie s el-p owere dvehicle spro duces imilaramountsofCOasop en re s.Moreover,pro ce s s e souts idehminpro duceCOwhich,ifdrawnintohemine,incre as e stheCO-concentraioninas imilarwayassmolder ing re.Suchpro ce s s e saresmogorcombustionpro ce s s e s,likecarsonne arbyroads,f actor ie s,andp owerplants.Inb eginning,COwasmonitore dbysp eciallytrainsta .Sinceeenofs evie s,Ruhr-kohleBergbauAGus e spro ce s scompuersocontroltheCO-concentraionsme asure dbyCO-s ensors[SSSS82].Suchapro ce s scomputerinstalle donminemonitorsfore achCO-s ensorteme anCO-value sav-erage doveratimep er io dofonminue.Inhi ssystem[Kar87],apartf romab solutehre sholdsincre as ingCO-concentrationsandsp ecialprop ertie sofCO-curve sareus e dasindicatorsofop enorsmolder ing re s.Further-more,sp ecial lter ingheur i sticsareapplie dodetectCO-curve scomingf romblastinop erationswhichoth-erwi s ewouldpro ducea realarm.Figure1showsaypicallinplotminuelyverage dCO-concentraionss everalCO-s ensorsforab out16ourswitou re(tey-axi si sscale dppm/100CO).Ononehand,largevar iationscanb eob s erve d,anonthoterd,slop ejust6ppmCOp er24hourscouldindicateasmold" @default.
- W81170107 created "2016-06-24" @default.
- W81170107 creator A5001040420 @default.
- W81170107 creator A5001927076 @default.
- W81170107 creator A5021575839 @default.
- W81170107 creator A5052022969 @default.
- W81170107 creator A5057540280 @default.
- W81170107 creator A5084499878 @default.
- W81170107 date "1996-06-04" @default.
- W81170107 modified "2023-09-23" @default.
- W81170107 title "Knowledge-enhanced co-monitoring in coal-mines" @default.
- W81170107 hasPublicationYear "1996" @default.
- W81170107 type Work @default.
- W81170107 sameAs 81170107 @default.
- W81170107 citedByCount "2" @default.
- W81170107 crossrefType "proceedings-article" @default.
- W81170107 hasAuthorship W81170107A5001040420 @default.
- W81170107 hasAuthorship W81170107A5001927076 @default.
- W81170107 hasAuthorship W81170107A5021575839 @default.
- W81170107 hasAuthorship W81170107A5052022969 @default.
- W81170107 hasAuthorship W81170107A5057540280 @default.
- W81170107 hasAuthorship W81170107A5084499878 @default.
- W81170107 hasConcept C121332964 @default.
- W81170107 hasConceptScore W81170107C121332964 @default.
- W81170107 hasLocation W811701071 @default.
- W81170107 hasOpenAccess W81170107 @default.
- W81170107 hasPrimaryLocation W811701071 @default.
- W81170107 hasRelatedWork W2347443057 @default.
- W81170107 hasRelatedWork W2348173769 @default.
- W81170107 hasRelatedWork W2349565021 @default.
- W81170107 hasRelatedWork W2353945235 @default.
- W81170107 hasRelatedWork W2361043452 @default.
- W81170107 hasRelatedWork W2361539506 @default.
- W81170107 hasRelatedWork W2368238564 @default.
- W81170107 hasRelatedWork W2368383832 @default.
- W81170107 hasRelatedWork W2383188305 @default.
- W81170107 hasRelatedWork W2392290727 @default.
- W81170107 hasRelatedWork W2393603826 @default.
- W81170107 isParatext "false" @default.
- W81170107 isRetracted "false" @default.
- W81170107 magId "81170107" @default.
- W81170107 workType "article" @default.