نتایج جستجو برای: random vibration

تعداد نتایج: 332936  

Journal: :The Journal of the Acoustical Society of America 1973

Journal: :Journal of physics 2023

Abstract Based on the chosen properties of an induction motor, a random forest (RF) classifier, machine learning technique, is examined in this study for bearing failure detection. A time-varying actual dataset with four distinct states was used to evaluate suggested methodology. The primary objective research defect detection accuracy RF classifier. First, run loops that cycle over each featur...

2009
Barbara HINZ Gerhard MENZEL Ralph BLÜTHNER Helmut SEIDEL

Most research has investigated the seat-to-head transmissibility during single-axis excitations. Associations between head accelerations and discomfort or effects on vision were reported. Possible differences between the seatto-head transmissibility determined during different vibration magnitudes with a variable number of excitation axes have not been systematically examined. An experimental s...

Journal: :The Journal of the Acoustical Society of America 1959

2016
Johnny Padulo Riccardo Di Giminiani Antonio Dello Iacono Alessandro M. Zagatto Gian M. Migliaccio Zoran Grgantov Luca P. Ardigò

We investigated the electromyographic response to synchronous indirect-localized vibration interventions in international and national table tennis players. Twenty-six male table tennis players, in a standing position, underwent firstly an upper arms maximal voluntary contraction and thereafter two different 30-s vibration interventions in random order: high acceleration load (peak acceleration...

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