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Likelihood ratio test based on the principle of early detection tool chatter

rilllngchatterrecognitionandavoidanceusing, RnART2 a aneuralnet-work [ntJ. MaehlneToo [s & Manufacture +1994; 34 (7) :349-3574 package of good Fei . Zhang Wenguo and so on. The frequency difference with the cutting force on the early prediction of cutting chatter . Vibration Engineering. 1992; 5 (2) l40-1445Bril [ingerD. Tlmeseriesdataanatysisandtheory. HotdenDayInc. 1981146 Vibration Engineering Volume 10 6WhalenAD. DetectionofslgnMsinnoiseAcademicpress. NewYorkandLondon, 1971. Chinese translation : the noise in signal detection . Beijing: Science Press ,[link widoczny dla zalogowanych], 19777v ugly nTteesHL. Detection. estimationandmodulationtheory, Wiley. NewYork · PartI · 1968; partII1971: PartIII,[link widoczny dla zalogowanych], 1971; Chinese translation : detection, estimation and modulation theory . Beijing; Defense Industry Press. 19838 amidine trillion country. When asked the series of buildings and its spectrum . Beijing: Science Press. 19889AnHZ. ChenZG. HannanEJ. Themax [mornoftheperiodogram. J. MultivariateAnalysis. 1983} 13 (5) :384-4OO1OHE ~ inanEJ. Multipletimeseries. JohnWiley & Sons. Inc. , 1970StudyontheEarlyDetectionofMachineToolCuttingChatterwithLikelihoodRatioTestTheoryYuJunyiZhouXiaoqinWangWencaiKongFansen (DepartmentofMechanicalEngineering,[link widoczny dla zalogowanych], IilinUniversityofTechnologyChangchun, 130025) AbstractBasedontheLikelihoodratiotesttheory. anewdetectionstatisticisproposedinthispaperformonitoringthemachinetoolcuttingchatterdevelopment. Usingtheproposedchatterdetectionstatistictomonitorthemachinetoolcuttingsystem,[link widoczny dla zalogowanych], theweakchatteringvibrationcomponentswiththesignalnoiseratioequa [to0.15canberecognized. Also + thispaperdearswiththerelatedproblemsincludingtheoperat-ingcharacteristicofchatterdetectionandthedeterminationofchatterdiscriminarionthreshold. andsoon. Thevalidityofthechatterdetectionisdemonstratedfromtheexperimentaldatainnumericcontrolturn-ing. Keywords {cuttingvibration; machinetopis; chatter; detection ~ likelihondratiotest the first of a man in passing . Professor. January 1933 1O Health .

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