Abstract
In this paper, for such a complex dynamical system as gear box, the transfer characteristic model of different excitation points and responsive points is constructed. Considering the actual condition that the vibration signals from different parts the inner gear box arrive in the box’ surface by different paths and mutual mixes, the basic method on sensor optimization and testing-point configuration based on PSO is put forward for fault detection. Through the testing analysis of every point’s transfer characteristic curve and the optimization of the transfer characteristic parameters, it is not only gives the basic optimization principle of testing configuration, but also proves that the sensor and testing-point optimal configuration technology based on PSO is feasible.
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