WebJun 1, 2013 · L. Gui. Order tracking method is used, combined with modal analysis of body-in-white, to identify the cause of in-car abnormal vibration and noise, that is, the resonance of car body structures ... WebMay 20, 2024 · In order to verify the accuracy of theoretical analysis and simulation, the NVH test of the motor was carried out in the semi-anechoic chamber [24], and the motors before and after optimization
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WebApr 6, 2024 · NVH analysis on the electric drivetrain and stated that, in electric vehicles, the torque fluctuation of ... the equivalent scenario for order analysis, the rotating rear wheels of both test scooters are chosen as reference. Wheel speed from 0 rpm to 650 rpm is fixed to compare vibration behavior of both vehicles. WebUtilize data acquisition systems and software to perform NVH analyses such as FFT, Order Tracking, Operational Deflection Shapes, Impact Testing, Modal Analysis, and Vehicle Testing; Standardize test, data analysis and storage procedures; Support vehicle NVH development activities as required at various OEM locations; Manage lab test equipment ... shank flower
Order Analysis - Study
WebOctave Band Analyzer. Octave band analysis is an indispensable tool for sound measurement because it gives a close approximation of how the human ear responds. Dewesoft octave band analyzer meets all of the IEC and ANSI specifications for octave filters. Dewesoft offers flexible data acquisition hardware with an industry-leading 7-year … WebThe analysis is capable of separating the gear mesh frequencies of each gear in the meshing pair and generating order spectra for both. Other methods of Analysis are available such as Gear Mesh Loudness, modulation and advanced Nick Analysis with position. ... NVH Gear Analysis System. As a leading world supplier of Production Gear Inspection ... Web21.2 The application of multi-body dynamics (MBD) analysis. NVH problems can be notoriously difficult to investigate in a complaint vehicle. The problem is that the test, environmental and driving conditions have to be the same every time in order to excite the NVH problem in a repeatable way, and especially if a resolution is being tested. polymer formulation book