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 Wysłany: Nie 3:57, 08 Maj 2011 Temat postu: mulberry tasker Power unit based on gray theory co |
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Power unit based on gray theory condition monitoring and fault diagnosis
Misdiagnosed. 4 Conclusion The correlation analysis method to diagnose multiple parameters (such as the frequency components,[link widoczny dla zalogowanych], AR model from the regression coefficients) together into a parameter (correlation),[link widoczny dla zalogowanych], which is more than just by a single or a few parameters to determine a more reliable . And the correlation diagnosis is simple, easy to implement. The proposed diagnostic method weighted correlation experiment evaluation, correlation analysis than the original to improve the accuracy. Table 1 degree approach to the diagnosis associated serial correlation maximum imbalance diagnosis normal oil whip l1. oOO00.96200.78.561. oooo normal 20.91560.8879o. 79490.9156 normal 30.96541.0Ooo0.77981. oooo imbalance 40.93890.9659o. 77690.9656 imbalance 50.76350.7.5371.0ooo1.0ooo oil whip 6o. 875oo. 86160.7802o. Normal ● ● ● Jun 8750 4 Generation Jinsong et al: Power Unit Based on Grey Theory to save state monitoring and fault diagnosis 385 Table 2-weighted method of diagnosis pod linking number associated with the maximum degree of imbalance in the diagnosis normal pumping membrane vibration end l1.00000.94840.79811.000O normal 20.89260.91420.7841O. 9142 30.95261.00000.74531.0000 imbalance imbalance 40.8542O, 91460.74390,9148 imbalance 50.81260.84211.00001,0000 film of oil whip vibration side 60.90020.89550,[link widoczny dla zalogowanych],91170.9117 References l Deng Julong. Grey Control System. Huazhong Institute of Technology Press. 1985 2CraigCantrel1. Continuousmonitoringforautomatedpredictivemaintenance. ProceedingofCDT86Conference,[link widoczny dla zalogowanych], 1986TheUseofGreyTheoryintheConditionMonitoringandFaultDiagnosisofLargeRotatingMachineryDaiJinsongSongSufangDongDechun (Northeastern ~ lectrtcPowerTestandResearchInstituteAdjustmentRoomShenyang.110006) At significantly less b'actTheGreyTheoryappliedontheconditionmonitoringandfaultm out (CMFD) 0flargerotatingmachlneryinthispaper. SincetheGreyRelationalDegree (GRD) ignoresthevariousinfluenceroughtby [estureparametersonrotatingmachine ~ · anelvmethod - theweightedGRDisadvanced · anditsutilitiesandprocessinCMFDareproposed. TheparametersofGRDareself-correctedatthepmc ~ sofdiagnosis. WiththetheoreticalcalculationsandsatisfactoryexperimentresultsofcomparisontotheGRDbasedCMFD,[link widoczny dla zalogowanych], theconclusionfsdrawnthattheweightedGRDm ~ hndismofeusefulandhasgreatprospects. keywordstgreysystemtheory · machinery · diagnosis, analysisofrelationaldegree
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