DK2523009T3 - Fremgangsmåde og indretning til overvågning af tilstanden afelektromekaniske systemer - Google Patents

Fremgangsmåde og indretning til overvågning af tilstanden afelektromekaniske systemer Download PDF

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Publication number
DK2523009T3
DK2523009T3 DK11460026T DK11460026T DK2523009T3 DK 2523009 T3 DK2523009 T3 DK 2523009T3 DK 11460026 T DK11460026 T DK 11460026T DK 11460026 T DK11460026 T DK 11460026T DK 2523009 T3 DK2523009 T3 DK 2523009T3
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DK
Denmark
Prior art keywords
average
electrical signals
synchronous
angular displacement
rotating shaft
Prior art date
Application number
DK11460026T
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English (en)
Inventor
Michal Orkisz
James Ottewill
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Abb Technology Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abb Technology Ag filed Critical Abb Technology Ag
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Publication of DK2523009T3 publication Critical patent/DK2523009T3/da

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
    • G05B19/4065—Monitoring tool breakage, life or condition
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2829—Testing of circuits in sensor or actuator systems
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/50—Machine tool, machine tool null till machine tool work handling
    • G05B2219/50197—Signature analysis, store working conditions, compare with actual
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P2203/00—Indexing scheme relating to controlling arrangements characterised by the means for detecting the position of the rotor
    • H02P2203/05—Determination of the rotor position by using two different methods and/or motor models
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P2203/00—Indexing scheme relating to controlling arrangements characterised by the means for detecting the position of the rotor
    • H02P2203/09—Motor speed determination based on the current and/or voltage without using a tachogenerator or a physical encoder
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
    • H02P2207/01—Asynchronous machines

Claims (6)

  1. FREMGANGSMÅDE OG INDRETNING TIL OVERVÅGNING AF TILSTANDEN AFELEKTROMEKANISKE SYSTEMER
    1. Fremgangsmåde til overvågning af tilstanden af et elektromekanisk system, hvilken fremgangsmåde omfatter følgende trin: Måling af strøm- og/eller spændingssignaler for et elektromekanisk system, måling af en vinkelposition af en roterende aksel af interesse i de elektromekaniske systemer eller estimering af værdien af en separat vinkelposition af en roterende aksel af interesse i det elektromekaniske system, synkronisering af strøm- og/eller spændingssignalerne til den skalerede vinkelforskydning af den roterende aksel, opdeling af de synkrone elektriske signaler i intervaller, der svarer til hver fuldendt rotation af den roterende aksel, beregning af gennemsnittet af et antal intervaller af synkrone elektriske signaler for at opnå et gennemsnitligt synkront elektrisk signal, ekstrahering af karakteristiske data for størrelsen ud fra værdierne af det gennemsnitlige synkrone elektriske signal, sammenligning af de ekstraherede karakteristiske data for størrelsen med en tærskelværdi, der er angivet som en grænse, og indikering af en alarm over for brugeren, når grænsen er overskredet.
  2. 2. Fremgangsmåde ifølge krav 1, hvor beregningen af gennemsnittet for M intervaller af synkrone elektriske signaler, der svarer til M fulde rotationer, for a opnå et synkront gennemsnit af de elektriske signaler ( V), som består af M gennemsnitsværdier for de elektriske signaler ·** , beregnes ved hjælp af formlen:
    hvor ym,n er de synkrone elektriske signalværdier ved prøvetagningspunktet n i interval m, hvor N er et antal prøvetagningspunkter for hver fulde rotation af akslen i det elektromekaniske system, hvor M er et antal gennemsnit, der skal udføres.
  3. 3. Fremgangsmåde ifølge et af de foregående krav, hvor topstejlheden S af det synkrone gennemsnit af de elektriske signaler repræsenterer de karakteristiske data af størrelsen ud fra værdierne for det gennemsnitlige synkrone elektriske signal og beregnes ved hjælp af formlen:
  4. 4. Indretning til implementering af fremgangsmåden ifølge krav 1 -3, som omfatter: Middel til måling af strøm- og/eller spændingssignaler for et elektromekanisk system, middel til måling af en vinkelposition af en roterende aksel af interesse i de elektromekaniske systemer, eller middel til estimering af værdien af en separat vinkelposition af en roterende aksel af interesse i det elektromekaniske system, middel til synkronisering af strøm- og/eller spændingssignaler til en skaleret vinkelforskydning af den roterende aksel, middel til opdeling af de synkrone elektriske signaler i intervaller, der svarer til hver fuldendt rotation af den roterende aksel, middel til beregning af gennemsnittet af et antal intervaller af synkrone elektriske signaler, middel til ekstrahering ud fra værdierne af de gennemsnitlige synkrone elektriske signaler, karakteristiske data for størrelsen, middel til sammenligning af de ekstraherede karakteristiske data for størrelsen med en tærskelværdi, der er angivet som en grænse, og middel til indikering af en alarm over for brugeren, når grænsen er overskredet.
  5. 5. Indretning ifølge krav 4, hvor middel til synkronisering af strøm- og/eller spændingssignaler til en skaleret vinkelforskydning af den roterende aksel, middel til opdeling af de synkrone elektriske signaler i intervaller, der svarer til hver fuldendt rotation af den roterende aksel, middel til beregning af gennemsnittet for et antal intervaller af synkrone elektriske signaler, middel til ekstrahering fra værdierne af de gennemsnitlige synkrone elektriske signaler, karakteristiske data for størrelsen, samt sammenligning af de ekstraherede karakteristiske data for størrelsen med en tærskelværdi, der er angivet som en grænse, er implementeret i et synkront gennemsnitsberegningsmodul (16) i en computer-anordning (12).
  6. 6. Computerprogram til overvågning af tilstanden af elektromekaniske systemer, hvilket computerprogram kan indlæses i og udføres på en databehandlingsenhed (13) i en computer-indretning (12), og hvilket computerprogram, når det køres af databehandlingsenheden i computer-anordningen, udfører fremgangsmåden til kravene 1-3.
DK11460026T 2011-05-12 2011-05-12 Fremgangsmåde og indretning til overvågning af tilstanden afelektromekaniske systemer DK2523009T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11460026.5A EP2523009B1 (en) 2011-05-12 2011-05-12 Method and apparatus for monitoring the condition of electromechanical systems

Publications (1)

Publication Number Publication Date
DK2523009T3 true DK2523009T3 (da) 2015-04-07

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US (1) US9459088B2 (da)
EP (1) EP2523009B1 (da)
JP (1) JP5932022B2 (da)
CN (1) CN103502827B (da)
AU (1) AU2012252901B2 (da)
BR (1) BR112013029141B1 (da)
CA (1) CA2828268C (da)
DK (1) DK2523009T3 (da)
WO (1) WO2012152353A1 (da)
ZA (1) ZA201307503B (da)

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Publication number Publication date
JP2014516154A (ja) 2014-07-07
CA2828268A1 (en) 2012-11-15
ZA201307503B (en) 2014-12-23
US20140074427A1 (en) 2014-03-13
BR112013029141B1 (pt) 2021-05-25
CN103502827B (zh) 2015-12-23
AU2012252901A1 (en) 2013-11-28
CN103502827A (zh) 2014-01-08
BR112013029141A2 (pt) 2017-02-07
EP2523009A1 (en) 2012-11-14
JP5932022B2 (ja) 2016-06-08
US9459088B2 (en) 2016-10-04
WO2012152353A1 (en) 2012-11-15
CA2828268C (en) 2018-05-22
EP2523009B1 (en) 2015-01-28
AU2012252901B2 (en) 2016-09-01
BR112013029141A8 (pt) 2017-12-19

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