State assessment for bearing rotor static unbalance based on Welch-PSD and SAE
نویسندگان
چکیده
منابع مشابه
On line identification of unbalance parameters and active control in a rotor bearing system
In this paper an algebraic technique for unbalance parameters identification along with an active control scheme for a rotor bearing system are presented. The system has two disks asymmetrically located along the shaft which is supported by a conventional ball bearing at one end and by an active suspension at the other one. The active suspension is based on linear springs and linear force actua...
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متن کاملPSD Computation using modified Welch algorithm
Power Spectral Density (PSD) shows strength of energy as a function of frequency. PSD computation can be done by the method called FFT. Welch algorithm is used to calculate Power Spectral Density. High computational complexity is the main drawback of Welch method. By using 50% overlap we are reducing the computational complexity of Welch method. Here N/2 point FFT is computed instead of N-point...
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in this paper, a simple and efficient method for modeling and solving the equations of a rotor with any number of disks, bearings and mass unbalances is presented using the assumed modes method. this model consists of a continuous shaft, arbitrary number of mass unbalances in any axial location and phase angle, and any number of rigid disks and bearings. this arrangement is extensively used in ...
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ژورنال
عنوان ژورنال: Vibroengineering PROCEDIA
سال: 2018
ISSN: 2345-0533,2538-8479
DOI: 10.21595/vp.2018.20169