نتایج جستجو برای: vibration test

تعداد نتایج: 858629  

2014
G. Dallas P. Kirialanis V. Mellos

The purpose of this study was to examine the acute effect of a single bout of whole body vibration (WBV) on flexibility and explosive strength of lower limbs in young artistic gymnasts. Thirty-two young competitive gymnasts volunteered to participate in this study, and were allocated to either the vibration group or traditional body weight training according to the vibration protocol. The vibra...

Journal: :Work 2012
N Costa P M Arezesa R B Melo

Effects of whole-body vibration (WBV) exposure on professional drivers were predicted using a 45 subjects sample of healthy volunteers from both genders. These volunteers preformed a visual/motor accuracy evaluation test, the 'omega test', inside a vehicle (van) under three different WBV exposure conditions, van halted, van performing a circuit on asphalt, and on cobblestone. WBV levels of the ...

Journal: :Transactions of the Architectural Institute of Japan 1958

Journal: :Journal of the Korean Society for Aeronautical & Space Sciences 2013

Journal: :The Journal of the Acoustical Society of America 1963

Journal: :Vibroengineering PROCEDIA 2018

Journal: :Journal of Physics: Conference Series 2021

2015
Wang Sibo Zhao Huichao Li Zhiyu Wang

This paper analyzes the reason of Low-speed vibration in an electric vehicle, builds the mathematical equation of powertrain torsional vibration. Then, the model of torque ripple considering non-sinusoidal magnetic field distribution is built, orders and frequencies of torque ripple in PMSM is predicted. According to the relationship between the torsional vibration in low-speed of the electric ...

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