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 Posted: Sun 0:06, 08 May 2011 Post subject: franklin and marshall clothing Parameter identific |
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Parameter identification of the eigensystem realization algorithm (ERA) and practice
. 24l7.96l8.1722.38 of modal No. B ~ 1423.4227.6627.9830.7833.6036.2337.55 flutter rate 'hNo. 15 ~ 2038.6l41.9342.7344.9346.0646.74 Juan of the study measured the actual running of the car phenomenon may occur, indicating that the engine mounting system for a vehicle frame of the resonance is caused by vibration of the important reasons. Accordingly match the dynamic performance and structural changes. To improve the performance of vehicle vibration. VI,[link widoczny dla zalogowanych], Conclusion 1. ERA. Decomposition method can quantitatively and noise inherent in the system modal state chopsticks, identification precision} dozen effective singular values and modal confidence factor is very important quantitative values, modal parameter identification for improving the confidence level is effective. 2. Digital simulations show that,[link widoczny dla zalogowanych], ERA. Method has strong anti-noise ability of the root and several buildings stability, after all, a better overall time-domain identification algorithm parameters. 3. Practice shows that .NASA / JPL, 19842Fo knock heGE. computer numerical methods,[link widoczny dla zalogowanych], Beijing Tsinghua University,[link widoczny dla zalogowanych], Beijing Publishing Mu .19873 Ibr ~ khlmSR.Randomdec ~ ememtech. ~ uefoTmodal; dentificsfionofstructures.A like J.ofSl ~ eec.TaftandRocke twisted .1977} (14/11 ) l696-7004 beard is so. torsional vibration of vehicle transmission identification screen. Automotive Engineering .199; ~ {(1): 32.385 beard is so. Modeli ~ procedureofanalysis & testof ~ utomolfiledy iv. Xiu htemationa】 ModelAm]. yslsC0nl stare enceandE ; t, U.S.A., FIorada, Jn.19906 Fu Qiang,[link widoczny dla zalogowanych], MG chew things. drum turning screaming din of noise Cou state identification Automotive Technology .19 gO, (1O): l6-23 Vibration Engineering 5 dependents EigensystemRealizationAlgorithm (ERA) ofParameterIdentificationandItsApplicationGuoZ ~ gyang (AutomobileE head iColh ~, HarbinI ~ tltuteTcclmoloivyH ~ bi. · 150006) at HZizheng (Nadv ~ dLaboratoryofAu ~ nobi] eD dwdb ∞ theb-Ijcw ~ ipleofEigensystemReal ~ tlo. Algoritlun (ERA)-I-dthed Ba rio. . oftWoindj ∞ tol cents ofTnod | dpuredegree, analyzesandexaminestheERAidentification ~ paMlltyby which. haimulate. ddatawithdiffereaatnOlevelIdescribesthel ~ tlrametc; rideutiflcatti (ynofautomobi | ~ e summer. Xiu emou ~ lts · ThepracticeshowsthatERAhasitproepectinaq coffee appllcations.key-lpI Ⅲ bang stare that most of ni Ⅲ ioII · minimizedrecitation, ●} jack llrj | y, randomdecrementle ~ slnemount ● ●
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