On-line measurement of yarn evenness

By Carvalho, V.; Pinto, J.G.; Monteiro, J.; Vasconcelos, R.M.; Soares, F.O.

IEEE International Symposium on Industrial Electronics



The aim this paper is to present an experimental procedure to measure yarn evenness in real-time using capacitive sensors; sample with several millimetres are analyzed, depending on the type of sensor used, to increase quality in production. The approach used allows a direct measurement in 1mm range, allowing real-time actuation when faults or other parameters exceed the maximum acceptable value.


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