BOU-Based Cycle Determination for Different Kinds of Mechanical Vibration Signals

Abstract:

The cycle of each vibration component of a mixed signal is a very important parameter for reciprocating mechanical vibration signal processing. The cycle determination also has an important influence to obtain the typical characteristics of every sub-signal, to achieve the fault detection and diagnosis of the equipment. But signals acquired at the scene tend to a mixture of a variety of vibration components that have their own periodic characteristics. This paper mainly proposes a method based on the conception of the basic operation unit(BOU) for mechanical vibration signal processing, and the principles and processes of this method are described in detail. Simulation method is introduced in order to explain this principles. Furthermore, A Delphi programming is developed to realize this simulation implementation, and simulation results are demonstrated to fully verify its correctness. Finally, a method to quickly determine the various vibration component cycles is put forward.

• Periodical: Applied Mechanics and Materials (Volumes 220-223)
• Pages: 2217-2223
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.220-223.2217
• Online since: November 2012
• Authors: Miao Rong Lv, Jian Lu, Zhi Qiang Chen
• Keywords: Basic Operating Unit, Mechanical Vibration Signal, Signal Processing, Simulation, Vibration Cycle

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