Abstract
This paper aims to investigate and to describe the possibility of using the smartphones in the rotors balancing. It shows in the beginning a method to extract the necessary parameters for implementing the field balancing operation. An Android app was developed in order to record the smartphone sensors data of unbalanced rotors. The recorded data is then processed and used to identify the quantity of mass necessary and its position via a Matlab app. At the end, the smartphone results were compared by the exact results.
Highlights
A bad distribution of mass in a rotor will lead to the appearance of the unbalance defect, which causes an undesirable vibration of the rotor [1], this defect necessitates necessarily to correct it
The smartphone that we used in this work has a built-in MEMS (Micro Electro Mechanical Systems) type accelerometer, manufactured by the Bosch Company with the following features. (Fig.1)
We need a reference signal, for that, we have proposed an acoustic method to build it
Summary
A bad distribution of mass in a rotor will lead to the appearance of the unbalance defect, which causes an undesirable vibration of the rotor [1], this defect necessitates necessarily to correct it. The balancing procedure by professional equipment is considered expensive, inevitable; this leads us to seek to minimize the costs of this operation and to be more applicable for professionals and non-professionals. Smartphones have found their place in our daily lives They are always with us and we can use them and quickly.
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