In this paper, we evaluate several criteria of vibration analysis signal in the temporal field. The objective is to evaluate their ability to detect a single or multiple fault, their ability to evaluate the severity of a bearing fault, and their ability to detect sound gearing or faulty gearing in different fault configurations created on the gear and bearing mounted on an experimental test stand. In order to evaluate the robustness of each criterion, operating parameters of the machines are taking into account in the experimental design to carry out tests under various conditions of use of the machine. We take into account parameters such as speed and load that we experiment different values to determine their influences on the criteria studied. If we identify the criterion under these conditions, then it is very likely that this is the appropriate criterion to detect the type of defect involved.
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